This commit was manufactured by cvs2svn to create tag 'v200609221505'.v200609221505

1 files changed, 0 insertions, 3436 deletions

diff --git a/bundles/org.eclipse.wst.sse.ui/src/org/eclipse/wst/sse/ui/StructuredTextEditor.java b/bundles/org.eclipse.wst.sse.ui/src/org/eclipse/wst/sse/ui/StructuredTextEditor.java
deleted file mode 100644
index efe4d957b6..0000000000
--- a/bundles/org.eclipse.wst.sse.ui/src/org/eclipse/wst/sse/ui/StructuredTextEditor.java
+++ /dev/null
@@ -1,3436 +0,0 @@
-/*******************************************************************************
- * Copyright (c) 2001, 2005 IBM Corporation and others.
- * All rights reserved. This program and the accompanying materials
- * are made available under the terms of the Eclipse Public License v1.0
- * which accompanies this distribution, and is available at
- * http://www.eclipse.org/legal/epl-v10.html
- * 
- * Contributors:
- *     IBM Corporation - initial API and implementation
- *     Jens Lukowski/Innoopract - initial renaming/restructuring
- *     
- *******************************************************************************/
-package org.eclipse.wst.sse.ui;
-
-import java.io.IOException;
-import java.lang.ref.WeakReference;
-import java.lang.reflect.Method;
-import java.text.MessageFormat;
-import java.util.ArrayList;
-import java.util.Arrays;
-import java.util.Iterator;
-import java.util.List;
-import java.util.ResourceBundle;
-import java.util.Timer;
-import java.util.TimerTask;
-
-import org.eclipse.core.runtime.CoreException;
-import org.eclipse.core.runtime.IProgressMonitor;
-import org.eclipse.core.runtime.IStatus;
-import org.eclipse.core.runtime.ListenerList;
-import org.eclipse.core.runtime.SafeRunner;
-import org.eclipse.core.runtime.Status;
-import org.eclipse.core.runtime.jobs.Job;
-import org.eclipse.debug.ui.actions.IToggleBreakpointsTarget;
-import org.eclipse.emf.common.command.Command;
-import org.eclipse.jface.action.Action;
-import org.eclipse.jface.action.GroupMarker;
-import org.eclipse.jface.action.IAction;
-import org.eclipse.jface.action.IMenuManager;
-import org.eclipse.jface.action.MenuManager;
-import org.eclipse.jface.action.Separator;
-import org.eclipse.jface.preference.IPreferenceStore;
-import org.eclipse.jface.text.BadLocationException;
-import org.eclipse.jface.text.DefaultInformationControl;
-import org.eclipse.jface.text.DocumentEvent;
-import org.eclipse.jface.text.IDocument;
-import org.eclipse.jface.text.IDocumentListener;
-import org.eclipse.jface.text.IInformationControl;
-import org.eclipse.jface.text.IInformationControlCreator;
-import org.eclipse.jface.text.IRegion;
-import org.eclipse.jface.text.ISelectionValidator;
-import org.eclipse.jface.text.ITextHover;
-import org.eclipse.jface.text.ITextOperationTarget;
-import org.eclipse.jface.text.ITextSelection;
-import org.eclipse.jface.text.ITextViewer;
-import org.eclipse.jface.text.ITextViewerExtension;
-import org.eclipse.jface.text.ITextViewerExtension2;
-import org.eclipse.jface.text.ITextViewerExtension4;
-import org.eclipse.jface.text.ITextViewerExtension5;
-import org.eclipse.jface.text.TextSelection;
-import org.eclipse.jface.text.TextUtilities;
-import org.eclipse.jface.text.contentassist.IContentAssistant;
-import org.eclipse.jface.text.information.IInformationProvider;
-import org.eclipse.jface.text.information.IInformationProviderExtension2;
-import org.eclipse.jface.text.information.InformationPresenter;
-import org.eclipse.jface.text.source.ICharacterPairMatcher;
-import org.eclipse.jface.text.source.ISourceViewer;
-import org.eclipse.jface.text.source.IVerticalRuler;
-import org.eclipse.jface.text.source.LineChangeHover;
-import org.eclipse.jface.text.source.SourceViewerConfiguration;
-import org.eclipse.jface.text.source.projection.ProjectionSupport;
-import org.eclipse.jface.text.source.projection.ProjectionViewer;
-import org.eclipse.jface.util.PropertyChangeEvent;
-import org.eclipse.jface.util.SafeRunnable;
-import org.eclipse.jface.viewers.DoubleClickEvent;
-import org.eclipse.jface.viewers.IDoubleClickListener;
-import org.eclipse.jface.viewers.IPostSelectionProvider;
-import org.eclipse.jface.viewers.ISelection;
-import org.eclipse.jface.viewers.ISelectionChangedListener;
-import org.eclipse.jface.viewers.ISelectionProvider;
-import org.eclipse.jface.viewers.IStructuredSelection;
-import org.eclipse.jface.viewers.SelectionChangedEvent;
-import org.eclipse.swt.SWT;
-import org.eclipse.swt.custom.StyledText;
-import org.eclipse.swt.dnd.DND;
-import org.eclipse.swt.dnd.DropTarget;
-import org.eclipse.swt.events.DisposeEvent;
-import org.eclipse.swt.events.DisposeListener;
-import org.eclipse.swt.events.MouseEvent;
-import org.eclipse.swt.events.MouseMoveListener;
-import org.eclipse.swt.events.MouseTrackAdapter;
-import org.eclipse.swt.graphics.Point;
-import org.eclipse.swt.widgets.Composite;
-import org.eclipse.swt.widgets.Control;
-import org.eclipse.swt.widgets.Display;
-import org.eclipse.swt.widgets.Menu;
-import org.eclipse.swt.widgets.Shell;
-import org.eclipse.ui.IEditorActionBarContributor;
-import org.eclipse.ui.IEditorInput;
-import org.eclipse.ui.IEditorPart;
-import org.eclipse.ui.IEditorSite;
-import org.eclipse.ui.IFileEditorInput;
-import org.eclipse.ui.IPageLayout;
-import org.eclipse.ui.IPathEditorInput;
-import org.eclipse.ui.ISharedImages;
-import org.eclipse.ui.IStorageEditorInput;
-import org.eclipse.ui.IWorkbenchActionConstants;
-import org.eclipse.ui.PartInitException;
-import org.eclipse.ui.PlatformUI;
-import org.eclipse.ui.editors.text.EditorsUI;
-import org.eclipse.ui.editors.text.ITextEditorHelpContextIds;
-import org.eclipse.ui.editors.text.TextEditor;
-import org.eclipse.ui.help.IWorkbenchHelpSystem;
-import org.eclipse.ui.part.IShowInTargetList;
-import org.eclipse.ui.progress.IWorkbenchSiteProgressService;
-import org.eclipse.ui.progress.UIJob;
-import org.eclipse.ui.texteditor.ChainedPreferenceStore;
-import org.eclipse.ui.texteditor.DefaultRangeIndicator;
-import org.eclipse.ui.texteditor.IAbstractTextEditorHelpContextIds;
-import org.eclipse.ui.texteditor.IDocumentProvider;
-import org.eclipse.ui.texteditor.IStatusField;
-import org.eclipse.ui.texteditor.ITextEditor;
-import org.eclipse.ui.texteditor.ITextEditorActionConstants;
-import org.eclipse.ui.texteditor.ITextEditorActionDefinitionIds;
-import org.eclipse.ui.texteditor.IUpdate;
-import org.eclipse.ui.texteditor.IWorkbenchActionDefinitionIds;
-import org.eclipse.ui.texteditor.SourceViewerDecorationSupport;
-import org.eclipse.ui.texteditor.TextEditorAction;
-import org.eclipse.ui.texteditor.TextOperationAction;
-import org.eclipse.ui.views.contentoutline.IContentOutlinePage;
-import org.eclipse.ui.views.properties.IPropertySheetPage;
-import org.eclipse.wst.sse.core.StructuredModelManager;
-import org.eclipse.wst.sse.core.internal.document.IDocumentCharsetDetector;
-import org.eclipse.wst.sse.core.internal.encoding.EncodingMemento;
-import org.eclipse.wst.sse.core.internal.provisional.IModelStateListener;
-import org.eclipse.wst.sse.core.internal.provisional.IStructuredModel;
-import org.eclipse.wst.sse.core.internal.provisional.IndexedRegion;
-import org.eclipse.wst.sse.core.internal.provisional.text.IStructuredDocument;
-import org.eclipse.wst.sse.core.internal.provisional.text.IStructuredPartitioning;
-import org.eclipse.wst.sse.core.internal.provisional.text.ITextRegion;
-import org.eclipse.wst.sse.core.internal.text.IExecutionDelegatable;
-import org.eclipse.wst.sse.core.internal.undo.IStructuredTextUndoManager;
-import org.eclipse.wst.sse.core.utils.StringUtils;
-import org.eclipse.wst.sse.ui.internal.ExtendedConfigurationBuilder;
-import org.eclipse.wst.sse.ui.internal.ExtendedEditorActionBuilder;
-import org.eclipse.wst.sse.ui.internal.ExtendedEditorDropTargetAdapter;
-import org.eclipse.wst.sse.ui.internal.IExtendedContributor;
-import org.eclipse.wst.sse.ui.internal.IModelProvider;
-import org.eclipse.wst.sse.ui.internal.IPopupMenuContributor;
-import org.eclipse.wst.sse.ui.internal.Logger;
-import org.eclipse.wst.sse.ui.internal.ReadOnlyAwareDropTargetAdapter;
-import org.eclipse.wst.sse.ui.internal.SSEUIMessages;
-import org.eclipse.wst.sse.ui.internal.SSEUIPlugin;
-import org.eclipse.wst.sse.ui.internal.StorageModelProvider;
-import org.eclipse.wst.sse.ui.internal.StructuredLineChangeHover;
-import org.eclipse.wst.sse.ui.internal.StructuredTextViewer;
-import org.eclipse.wst.sse.ui.internal.UnknownContentTypeDialog;
-import org.eclipse.wst.sse.ui.internal.actions.ActionDefinitionIds;
-import org.eclipse.wst.sse.ui.internal.actions.StructuredTextEditorActionConstants;
-import org.eclipse.wst.sse.ui.internal.contentoutline.ConfigurableContentOutlinePage;
-import org.eclipse.wst.sse.ui.internal.correction.CorrectionAssistantProvider;
-import org.eclipse.wst.sse.ui.internal.debug.BreakpointRulerAction;
-import org.eclipse.wst.sse.ui.internal.debug.EditBreakpointAction;
-import org.eclipse.wst.sse.ui.internal.debug.ManageBreakpointAction;
-import org.eclipse.wst.sse.ui.internal.debug.ToggleBreakpointAction;
-import org.eclipse.wst.sse.ui.internal.debug.ToggleBreakpointsTarget;
-import org.eclipse.wst.sse.ui.internal.derived.HTMLTextPresenter;
-import org.eclipse.wst.sse.ui.internal.editor.EditorModelUtil;
-import org.eclipse.wst.sse.ui.internal.editor.IHelpContextIds;
-import org.eclipse.wst.sse.ui.internal.editor.StructuredModelDocumentProvider;
-import org.eclipse.wst.sse.ui.internal.extension.BreakpointProviderBuilder;
-import org.eclipse.wst.sse.ui.internal.hyperlink.OpenHyperlinkAction;
-import org.eclipse.wst.sse.ui.internal.preferences.EditorPreferenceNames;
-import org.eclipse.wst.sse.ui.internal.projection.IStructuredTextFoldingProvider;
-import org.eclipse.wst.sse.ui.internal.properties.ConfigurablePropertySheetPage;
-import org.eclipse.wst.sse.ui.internal.properties.ShowPropertiesAction;
-import org.eclipse.wst.sse.ui.internal.provisional.extensions.ConfigurationPointCalculator;
-import org.eclipse.wst.sse.ui.internal.provisional.extensions.ISourceEditingTextTools;
-import org.eclipse.wst.sse.ui.internal.provisional.extensions.breakpoint.NullSourceEditingTextTools;
-import org.eclipse.wst.sse.ui.internal.selection.SelectionHistory;
-import org.eclipse.wst.sse.ui.internal.text.DocumentRegionEdgeMatcher;
-import org.eclipse.wst.sse.ui.internal.util.Assert;
-import org.eclipse.wst.sse.ui.views.contentoutline.ContentOutlineConfiguration;
-import org.eclipse.wst.sse.ui.views.properties.PropertySheetConfiguration;
-
-/**
- * A Text Editor for editing structured models and structured documents.
- * <p>
- * This class is not meant to be subclassed.<br />
- * New content types may associate source viewer, content outline, and
- * property sheet configurations to extend the existing functionality.
- * </p>
- * 
- * @see org.eclipse.wst.sse.ui.StructuredTextViewerConfiguration
- * @see org.eclipse.wst.sse.ui.views.contentoutline.ContentOutlineConfiguration
- * @see org.eclipse.wst.sse.ui.views.properties.PropertySheetConfiguration
- * 
- * @since 1.0
- */
-
-public class StructuredTextEditor extends TextEditor {
-
-
-	// ISSUE: This use case is not clear to me.
-	// Is this listner and dance with dirty state for non-editor driven
-	// updates?
-	class InternalDocumentListener implements IDocumentListener {
-		// This is for the IDocumentListener interface
-		public void documentAboutToBeChanged(DocumentEvent event) {
-			fDirtyBeforeDocumentEvent = isDirty();
-		}
-
-		// This is for the IDocumentListener interface
-		public void documentChanged(DocumentEvent event) {
-			if (isEditorInputReadOnly()) {
-				// stop listening to document event
-				// caused by the undo after validateEdit
-				final int offset = event.getOffset() + event.getLength();
-				final IStructuredModel internalModel = getInternalModel();
-				fCurrentRunnable = new Runnable() {
-					public void run() {
-						if (!fEditorDisposed) {
-							boolean status = validateEditorInputState();
-							if (!status) {
-								if (internalModel != null) {
-									internalModel.getUndoManager().undo();
-									getSourceViewer().setSelectedRange(offset, 0);
-									if (!fDirtyBeforeDocumentEvent) {
-										// reset dirty state if
-										// model not dirty before
-										// document event
-										internalModel.setDirtyState(false);
-									}
-								}
-							}
-						}
-						fCurrentRunnable = null;
-					}
-				};
-				/*
-				 * We need to ensure that this is run via 'asyncExec' since
-				 * these notifications can come from a non-ui thread.
-				 * 
-				 * The non-ui thread call would occur when creating a new file
-				 * under ClearCase (or other library) control. The creation of
-				 * the new file would trigger a validateEdit call, on another
-				 * thread, that would prompt the user to add the new file to
-				 * version control.
-				 */
-				Display display = getDisplay();
-				if (display != null) {
-					if (Thread.currentThread() != display.getThread())
-						// future_TODO: there's probably a better
-						// way than relying on asycnExec
-						display.asyncExec(fCurrentRunnable);
-					else
-						fCurrentRunnable.run();
-				}
-			}
-		}
-	}
-
-	private class InternalModelStateListener implements IModelStateListener {
-		public void modelAboutToBeChanged(IStructuredModel model) {
-			if (getTextViewer() != null) {
-				// getTextViewer().setRedraw(false);
-			}
-		}
-
-		public void modelAboutToBeReinitialized(IStructuredModel structuredModel) {
-			if (getTextViewer() != null) {
-				// getTextViewer().setRedraw(false);
-				getTextViewer().unconfigure();
-			}
-		}
-
-		public void modelChanged(IStructuredModel model) {
-			if (getTextViewer() != null) {
-				// getTextViewer().setRedraw(true);
-				// Since the model can be changed on a background
-				// thread, we will update menus on display thread,
-				// if we are not already on display thread,
-				// and if there is not an update already pending.
-				// (we can get lots of 'modelChanged' events in rapid
-				// succession, so only need to do one.
-				if (!fUpdateMenuTextPending) {
-					runOnDisplayThreadIfNeededed(new Runnable() {
-						public void run() {
-							updateMenuText();
-							fUpdateMenuTextPending = false;
-						}
-					});
-				}
-
-			}
-		}
-
-		public void modelDirtyStateChanged(IStructuredModel model, boolean isDirty) {
-			// do nothing
-		}
-
-		public void modelReinitialized(IStructuredModel structuredModel) {
-			try {
-				if (getSourceViewer() != null) {
-					SourceViewerConfiguration cfg = getSourceViewerConfiguration();
-					getSourceViewer().configure(cfg);
-				}
-			}
-			catch (Exception e) {
-				// https://w3.opensource.ibm.com/bugzilla/show_bug.cgi?id=1166
-				// investigate each error case post beta
-				Logger.logException("problem trying to configure after model change", e); //$NON-NLS-1$
-			}
-			finally {
-				// so we don't freeze workbench (eg. during page language or
-				// content type change)
-				((ITextViewerExtension) getSourceViewer()).setRedraw(true);
-			}
-		}
-
-		// Note: this one should probably be used to
-		// control viewer
-		// instead of viewer having its own listener
-		public void modelResourceDeleted(IStructuredModel model) {
-			// do nothing
-		}
-
-		public void modelResourceMoved(IStructuredModel originalmodel, IStructuredModel movedmodel) {
-			// do nothing
-		}
-
-		/**
-		 * This 'Runnable' should be very brief, and should not "call out" to
-		 * other code especially if it depends on the state of the model.
-		 * 
-		 * @param r
-		 */
-		private void runOnDisplayThreadIfNeededed(Runnable r) {
-			// if there is no Display at all (that is, running headless),
-			// or if we are already running on the display thread, then
-			// simply execute the runnable.
-			if (getDisplay() == null || (Thread.currentThread() == getDisplay().getThread())) {
-				r.run();
-			}
-			else {
-				// otherwise force the runnable to run on the display thread.
-				getDisplay().asyncExec(r);
-			}
-		}
-	}
-
-	class MouseTracker extends MouseTrackAdapter implements MouseMoveListener {
-		/** The tracker's subject control. */
-		private Control fSubjectControl;
-
-		/**
-		 * Creates a new mouse tracker.
-		 */
-		public MouseTracker() {
-			// do nothing
-		}
-
-		public void mouseHover(MouseEvent event) {
-			// System.out.println("hover: "+event.x + "x" + event.y);
-			hoverX = event.x;
-			hoverY = event.y;
-		}
-
-		/*
-		 * (non-Javadoc)
-		 * 
-		 * @see org.eclipse.swt.events.MouseMoveListener#mouseMove(org.eclipse.swt.events.MouseEvent)
-		 */
-		public void mouseMove(MouseEvent e) {
-			hoverX = e.x;
-			hoverY = e.y;
-		}
-
-		/**
-		 * Starts this mouse tracker. The given control becomes this tracker's
-		 * subject control. Installs itself as mouse track listener on the
-		 * subject control.
-		 * 
-		 * @param subjectControl
-		 *            the subject control
-		 */
-		public void start(Control subjectControl) {
-			fSubjectControl = subjectControl;
-			if (fSubjectControl != null && !fSubjectControl.isDisposed()) {
-				fSubjectControl.addMouseMoveListener(this);
-				fSubjectControl.addMouseTrackListener(this);
-				fSubjectControl.addDisposeListener(new DisposeListener() {
-					public void widgetDisposed(DisposeEvent e) {
-						stop();
-					}
-				});
-			}
-		}
-
-		/**
-		 * Stops this mouse tracker. Removes itself as mouse track, mouse
-		 * move, and shell listener from the subject control.
-		 */
-		public void stop() {
-			if (fSubjectControl != null && !fSubjectControl.isDisposed()) {
-				fSubjectControl.removeMouseMoveListener(this);
-				fSubjectControl.removeMouseTrackListener(this);
-				fSubjectControl = null;
-			}
-		}
-	}
-
-	/**
-	 * Listens to double-click and selection from the outline page
-	 */
-	private class OutlinePageListener implements IDoubleClickListener, ISelectionChangedListener {
-		public void doubleClick(DoubleClickEvent event) {
-			if (event.getSelection().isEmpty())
-				return;
-
-			int start = -1;
-			int length = 0;
-			if (event.getSelection() instanceof IStructuredSelection) {
-				ISelection currentSelection = getSelectionProvider().getSelection();
-				if (currentSelection instanceof IStructuredSelection) {
-					Object current = ((IStructuredSelection) currentSelection).toArray();
-					Object newSelection = ((IStructuredSelection) event.getSelection()).toArray();
-					if (!current.equals(newSelection)) {
-						IStructuredSelection selection = (IStructuredSelection) event.getSelection();
-						Object o = selection.getFirstElement();
-						if (o instanceof IndexedRegion) {
-							start = ((IndexedRegion) o).getStartOffset();
-							length = ((IndexedRegion) o).getEndOffset() - start;
-						}
-						else if (o instanceof ITextRegion) {
-							start = ((ITextRegion) o).getStart();
-							length = ((ITextRegion) o).getEnd() - start;
-						}
-						else if (o instanceof IRegion) {
-							start = ((ITextRegion) o).getStart();
-							length = ((ITextRegion) o).getLength();
-						}
-					}
-				}
-			}
-			else if (event.getSelection() instanceof ITextSelection) {
-				start = ((ITextSelection) event.getSelection()).getOffset();
-				length = ((ITextSelection) event.getSelection()).getLength();
-			}
-			if (start > -1) {
-				getSourceViewer().setRangeIndication(start, length, false);
-				selectAndReveal(start, length);
-			}
-		}
-
-		public void selectionChanged(SelectionChangedEvent event) {
-			/*
-			 * Do not allow selection from other parts to affect selection in
-			 * the text widget if it has focus, or if we're still firing a
-			 * change of selection. Selection events "bouncing" off of other
-			 * parts are all that we can receive if we have focus (since we
-			 * forwarded our selection to the service just a moment ago), and
-			 * only the user should affect selection if we have focus.
-			 */
-
-			/* The isFiringSelection check only works if a selection listener */
-			if (event.getSelection().isEmpty() || fStructuredSelectionProvider.isFiringSelection())
-				return;
-
-			if (getSourceViewer() != null && getSourceViewer().getTextWidget() != null && !getSourceViewer().getTextWidget().isDisposed() && !getSourceViewer().getTextWidget().isFocusControl()) {
-				int start = -1;
-				int length = 0;
-				if (event.getSelection() instanceof IStructuredSelection) {
-					ISelection current = getSelectionProvider().getSelection();
-					if (current instanceof IStructuredSelection) {
-						Object[] currentSelection = ((IStructuredSelection) current).toArray();
-						Object[] newSelection = ((IStructuredSelection) event.getSelection()).toArray();
-						if (!Arrays.equals(currentSelection, newSelection)) {
-							if (newSelection.length > 0) {
-								/*
-								 * No ordering is guaranteed for multiple
-								 * selection
-								 */
-								Object o = newSelection[0];
-								if (o instanceof IndexedRegion) {
-									start = ((IndexedRegion) o).getStartOffset();
-									int end = ((IndexedRegion) o).getEndOffset();
-									if (newSelection.length > 1) {
-										for (int i = 1; i < newSelection.length; i++) {
-											start = Math.min(start, ((IndexedRegion) newSelection[i]).getStartOffset());
-											end = Math.max(end, ((IndexedRegion) newSelection[i]).getEndOffset());
-										}
-										length = end - start;
-									}
-								}
-								else if (o instanceof ITextRegion) {
-									start = ((ITextRegion) o).getStart();
-									int end = ((ITextRegion) o).getEnd();
-									if (newSelection.length > 1) {
-										for (int i = 1; i < newSelection.length; i++) {
-											start = Math.min(start, ((ITextRegion) newSelection[i]).getStart());
-											end = Math.max(end, ((ITextRegion) newSelection[i]).getEnd());
-										}
-										length = end - start;
-									}
-								}
-								else if (o instanceof IRegion) {
-									start = ((IRegion) o).getOffset();
-									int end = start + ((IRegion) o).getLength();
-									if (newSelection.length > 1) {
-										for (int i = 1; i < newSelection.length; i++) {
-											start = Math.min(start, ((IRegion) newSelection[i]).getOffset());
-											end = Math.max(end, ((IRegion) newSelection[i]).getOffset() + ((IRegion) newSelection[i]).getLength());
-										}
-										length = end - start;
-									}
-								}
-							}
-						}
-					}
-				}
-				else if (event.getSelection() instanceof ITextSelection) {
-					start = ((ITextSelection) event.getSelection()).getOffset();
-				}
-				if (start > -1) {
-					updateRangeIndication(event.getSelection());
-					selectAndReveal(start, length);
-				}
-			}
-		}
-	}
-
-	private class ShowInTargetListAdapter implements IShowInTargetList {
-		/**
-		 * Array of ID Strings that define the default show in targets for
-		 * this editor.
-		 * 
-		 * @see org.eclipse.ui.part.IShowInTargetList#getShowInTargetIds()
-		 * @return the array of ID Strings that define the default show in
-		 *         targets for this editor.
-		 */
-		public String[] getShowInTargetIds() {
-			return fShowInTargetIds;
-		}
-	}
-
-	/**
-	 * A post selection provider that wraps the provider implemented in
-	 * AbstractTextEditor to provide a StructuredTextSelection to post
-	 * selection listeners. Listens to selection changes from the source
-	 * viewer.
-	 */
-	private static class StructuredSelectionProvider implements IPostSelectionProvider, ISelectionValidator {
-		/**
-		 * A "hybrid" text and structured selection class. Converts the source
-		 * viewer text selection to a generic "getIndexedRegion"-derived
-		 * structured selection, allowing selection changed listeners to
-		 * possibly not need to reference the model directly.
-		 */
-		private static class StructuredTextSelection extends TextSelection implements IStructuredSelection, ITextSelection {
-			private WeakReference weakSelectedStructured;
-			private InternalTextSelection fInternalTextSelection;
-
-			StructuredTextSelection(ITextSelection selection, IDocument document, IStructuredModel model) {
-				// note: we do not currently use super class at all, but, only
-				// subclass TextSelection,
-				// because some infrastructure code uses "instanceof
-				// TextSelection" instead of ITextSelection.
-				super(selection.getOffset(), selection.getLength());
-				fInternalTextSelection = new InternalTextSelection(document, selection.getOffset(), selection.getLength());
-				weakSelectedStructured = new WeakReference(initializeInferredSelectedObjects(selection, model));
-			}
-
-			StructuredTextSelection(ITextSelection selection, Object[] selectedObjects, IDocument document) {
-				super(selection.getOffset(), selection.getLength());
-				fInternalTextSelection = new InternalTextSelection(document, selection.getOffset(), selection.getLength());
-				weakSelectedStructured = new WeakReference(selectedObjects);
-			}
-
-			StructuredTextSelection(IDocument document, int offset, int length, Object[] selectedObjects) {
-				super(offset, length);
-				fInternalTextSelection = new InternalTextSelection(document, offset, length);
-				weakSelectedStructured = new WeakReference(selectedObjects);
-			}
-
-			public Object getFirstElement() {
-				Object[] selectedStructures = getSelectedStructures();
-				return selectedStructures.length > 0 ? selectedStructures[0] : null;
-			}
-
-			private Object[] getSelectedStructures() {
-				Object[] selectedStructures = (Object[]) weakSelectedStructured.get();
-				if (selectedStructures == null) {
-					selectedStructures = new Object[0];
-				}
-				return selectedStructures;
-			}
-
-			private Object[] initializeInferredSelectedObjects(ITextSelection selection, IStructuredModel model) {
-				Object[] localSelectedStructures = null;
-				if (model != null) {
-					IndexedRegion region = model.getIndexedRegion(selection.getOffset());
-					int end = selection.getOffset() + selection.getLength();
-					if (region != null) {
-						if (end <= region.getEndOffset()) {
-							// single selection
-							localSelectedStructures = new Object[1];
-							localSelectedStructures[0] = region;
-						}
-						else {
-							// multiple selection
-							int maxLength = model.getStructuredDocument().getLength();
-							List structures = new ArrayList(2);
-							while (region != null && region.getEndOffset() <= end && region.getEndOffset() < maxLength) {
-								structures.add(region);
-								region = model.getIndexedRegion(region.getEndOffset() + 1);
-							}
-							localSelectedStructures = structures.toArray();
-						}
-					}
-				}
-				if (localSelectedStructures == null) {
-					localSelectedStructures = new Object[0];
-				}
-				return localSelectedStructures;
-			}
-
-			public boolean isEmpty() {
-				return fInternalTextSelection.isEmpty() && getSelectedStructures().length == 0;
-			}
-
-			public Iterator iterator() {
-				return toList().iterator();
-			}
-
-			public int size() {
-				return getSelectedStructures().length;
-			}
-
-			public Object[] toArray() {
-				return getSelectedStructures();
-			}
-
-			public List toList() {
-				return Arrays.asList(getSelectedStructures());
-			}
-
-			public String toString() {
-				return fInternalTextSelection.getOffset() + ":" + fInternalTextSelection.getLength() + "@" + getSelectedStructures(); //$NON-NLS-1$ //$NON-NLS-2$
-			}
-
-
-			private static class InternalTextSelection implements ITextSelection {
-
-
-				private WeakReference weakDocument;
-
-				/** Offset of the selection */
-				private int fOffset;
-				/** Length of the selection */
-				private int fLength;
-
-
-				/**
-				 * Creates an empty text selection.
-				 */
-				private InternalTextSelection() {
-					this(null, -1, -1);
-				}
-
-				/**
-				 * Creates a text selection for the given range. This
-				 * selection object describes generically a text range and is
-				 * intended to be an argument for the
-				 * <code>setSelection</code> method of selection providers.
-				 * 
-				 * @param offset
-				 *            the offset of the range
-				 * @param length
-				 *            the length of the range
-				 */
-				InternalTextSelection(int offset, int length) {
-					this(null, offset, length);
-				}
-
-				/**
-				 * Creates a text selection for the given range of the given
-				 * document. This selection object is created by selection
-				 * providers in responds <code>getSelection</code>.
-				 * 
-				 * @param document
-				 *            the document whose text range is selected in a
-				 *            viewer
-				 * @param offset
-				 *            the offset of the selected range
-				 * @param length
-				 *            the length of the selected range
-				 */
-				InternalTextSelection(IDocument document, int offset, int length) {
-					weakDocument = new WeakReference(document);
-					fOffset = offset;
-					fLength = length;
-				}
-
-				/**
-				 * 
-				 * Returns true if the offset and length are smaller than 0. A
-				 * selection of length 0, is a valid text selection as it
-				 * describes, e.g., the cursor position in a viewer.
-				 * 
-				 * @return <code>true</code> if this selection is empty
-				 * @see org.eclipse.jface.viewers.ISelection#isEmpty()
-				 */
-				public boolean isEmpty() {
-					return fOffset < 0 || fLength < 0;
-				}
-
-				/*
-				 * @see org.eclipse.jface.text.ITextSelection#getOffset()
-				 */
-				public int getOffset() {
-					return fOffset;
-				}
-
-				/*
-				 * @see org.eclipse.jface.text.ITextSelection#getLength()
-				 */
-				public int getLength() {
-					return fLength;
-				}
-
-				/*
-				 * @see org.eclipse.jface.text.ITextSelection#getStartLine()
-				 */
-				public int getStartLine() {
-
-					IDocument document = (IDocument) weakDocument.get();
-					try {
-						if (document != null)
-							return document.getLineOfOffset(fOffset);
-					}
-					catch (BadLocationException x) {
-					}
-
-					return -1;
-				}
-
-				/*
-				 * @see org.eclipse.jface.text.ITextSelection#getEndLine()
-				 */
-				public int getEndLine() {
-					IDocument document = (IDocument) weakDocument.get();
-					try {
-						if (document != null) {
-							int endOffset = fOffset + fLength;
-							if (fLength != 0)
-								endOffset--;
-							return document.getLineOfOffset(endOffset);
-						}
-					}
-					catch (BadLocationException x) {
-					}
-
-					return -1;
-				}
-
-				/*
-				 * @see org.eclipse.jface.text.ITextSelection#getText()
-				 */
-				public String getText() {
-					IDocument document = (IDocument) weakDocument.get();
-					try {
-						if (document != null)
-							return document.get(fOffset, fLength);
-					}
-					catch (BadLocationException x) {
-					}
-
-					return null;
-				}
-
-				/*
-				 * @see java.lang.Object#equals(Object)
-				 */
-				public boolean equals(Object obj) {
-					if (obj == this)
-						return true;
-
-					if (obj == null || getClass() != obj.getClass())
-						return false;
-
-					InternalTextSelection s = (InternalTextSelection) obj;
-					boolean sameRange = (s.fOffset == fOffset && s.fLength == fLength);
-					if (sameRange) {
-
-						IDocument document = (IDocument) weakDocument.get();
-						IDocument sDocument = s.getDocument();
-
-						// ISSUE: why does not IDocument .equals suffice?
-						if (sDocument == null && document == null)
-							return true;
-						if (sDocument == null || document == null)
-							return false;
-
-						try {
-							// ISSUE: pricey! (a cached hash might be in order, if this 
-							// was ever really ever used very often.
-							String sContent = sDocument.get(fOffset, fLength);
-							String content = document.get(fOffset, fLength);
-							return sContent.equals(content);
-						}
-						catch (BadLocationException x) {
-							// return false, can not be equal
-						}
-					}
-
-					return false;
-				}
-
-				/*
-				 * @see java.lang.Object#hashCode()
-				 */
-				public int hashCode() {
-					IDocument document = (IDocument) weakDocument.get();
-					int low = document != null ? document.hashCode() : 0;
-					return (fOffset << 24) | (fLength << 16) | low;
-				}
-
-				private IDocument getDocument() {
-					if (weakDocument == null)
-						return null;
-					return (IDocument) weakDocument.get();
-				}
-			}
-
-			public int getOffset() {
-				return fInternalTextSelection.getOffset();
-			}
-
-
-			public int getLength() {
-				return fInternalTextSelection.getLength();
-			}
-
-			public int getStartLine() {
-				return fInternalTextSelection.getStartLine();
-			}
-
-			public int getEndLine() {
-				return fInternalTextSelection.getEndLine();
-			}
-
-			public String getText() {
-				return fInternalTextSelection.getText();
-			}
-		}
-
-		private WeakReference weakDocument;
-		private ISelectionProvider fParentProvider = null;
-		private boolean isFiringSelection = false;
-		private ListenerList listeners = new ListenerList();
-		private ListenerList postListeners = new ListenerList();
-		private ISelection fLastSelection = null;
-		private ISelectionProvider fLastSelectionProvider = null;
-		private SelectionChangedEvent fLastUpdatedSelectionChangedEvent = null;
-		private WeakReference weakEditor;
-
-
-		StructuredSelectionProvider(ISelectionProvider parentProvider, StructuredTextEditor structuredTextEditor) {
-			fParentProvider = parentProvider;
-			weakEditor = new WeakReference(structuredTextEditor);
-			IDocument document = structuredTextEditor.getDocumentProvider().getDocument(structuredTextEditor.getEditorInput());
-			if (document != null) {
-				setDocument(document);
-			}
-			fParentProvider.addSelectionChangedListener(new ISelectionChangedListener() {
-				public void selectionChanged(SelectionChangedEvent event) {
-					handleSelectionChanged(event);
-				}
-			});
-			if (fParentProvider instanceof IPostSelectionProvider) {
-				((IPostSelectionProvider) fParentProvider).addPostSelectionChangedListener(new ISelectionChangedListener() {
-					public void selectionChanged(SelectionChangedEvent event) {
-						handlePostSelectionChanged(event);
-					}
-				});
-			}
-		}
-
-		public void addPostSelectionChangedListener(ISelectionChangedListener listener) {
-			postListeners.add(listener);
-		}
-
-		public void addSelectionChangedListener(ISelectionChangedListener listener) {
-			listeners.add(listener);
-		}
-
-		private void fireSelectionChanged(final SelectionChangedEvent event, ListenerList listenerList) {
-			Object[] listeners = listenerList.getListeners();
-			isFiringSelection = true;
-			for (int i = 0; i < listeners.length; ++i) {
-				final ISelectionChangedListener l = (ISelectionChangedListener) listeners[i];
-				SafeRunner.run(new SafeRunnable() {
-					public void run() {
-						l.selectionChanged(event);
-					}
-				});
-			}
-			isFiringSelection = false;
-		}
-
-		private ISelectionProvider getParentProvider() {
-			return fParentProvider;
-		}
-
-		public ISelection getSelection() {
-			fLastSelection = null;
-			fLastSelectionProvider = null;
-			fLastUpdatedSelectionChangedEvent = null;
-
-			/*
-			 * When a client explicitly asks for selection, provide the hybrid
-			 * result.
-			 */
-			ISelection selection = getParentProvider().getSelection();
-			if (!(selection instanceof IStructuredSelection) && selection instanceof ITextSelection) {
-				IStructuredModel model = null;
-				StructuredTextEditor localEditor = getStructuredTextEditor();
-				if (localEditor != null) {
-					model = localEditor.getModel();
-					selection = new StructuredTextSelection((ITextSelection) selection, getDocument(), model);
-				}
-				else {
-					selection = new StructuredTextSelection((ITextSelection) selection, getDocument(), null);
-				}
-			}
-			return selection;
-		}
-
-		private StructuredTextEditor getStructuredTextEditor() {
-			StructuredTextEditor editor = null;
-			if (weakEditor != null) {
-				editor = (StructuredTextEditor) weakEditor.get();
-			}
-			return editor;
-		}
-
-		void handlePostSelectionChanged(SelectionChangedEvent event) {
-			SelectionChangedEvent updatedEvent = null;
-			if (fLastSelection == event.getSelection() && fLastSelectionProvider == event.getSelectionProvider()) {
-				updatedEvent = fLastUpdatedSelectionChangedEvent;
-			}
-			else {
-				updatedEvent = updateEvent(event);
-			}
-			// only update the range indicator on post selection
-			StructuredTextEditor localEditor = (StructuredTextEditor) weakEditor.get();
-
-			if (localEditor != null) {
-				localEditor.updateRangeIndication(updatedEvent.getSelection());
-				fireSelectionChanged(updatedEvent, postListeners);
-			}
-		}
-
-		void handleSelectionChanged(SelectionChangedEvent event) {
-			SelectionChangedEvent updatedEvent = event;
-			if (fLastSelection != event.getSelection() || fLastSelectionProvider != event.getSelectionProvider()) {
-				fLastSelection = event.getSelection();
-				fLastSelectionProvider = event.getSelectionProvider();
-				fLastUpdatedSelectionChangedEvent = updatedEvent = updateEvent(event);
-			}
-			fireSelectionChanged(updatedEvent, listeners);
-		}
-
-		IDocument getDocument() {
-			IDocument document = null;
-			if (weakDocument != null) {
-				document = (IDocument) weakDocument.get();
-			}
-			return document;
-		}
-
-
-		boolean isFiringSelection() {
-			return isFiringSelection;
-		}
-
-		public boolean isValid(ISelection selection) {
-			// ISSUE: is not clear default behavior should be true?
-			// But not clear is this default would apply for our editor.
-			boolean result = true;
-			// if editor is "gone", can not be valid
-			StructuredTextEditor e = getStructuredTextEditor(); 
-			if (e == null || e.fEditorDisposed) {
-				result = false;
-			}
-			// else defer to parent
-			else if (getParentProvider() instanceof ISelectionValidator) {
-				result = ((ISelectionValidator) getParentProvider()).isValid(selection);
-			}
-			return result;
-		}
-
-		public void removePostSelectionChangedListener(ISelectionChangedListener listener) {
-			postListeners.remove(listener);
-		}
-
-		public void removeSelectionChangedListener(ISelectionChangedListener listener) {
-			listeners.remove(listener);
-		}
-
-		public void setSelection(ISelection selection) {
-			if (isFiringSelection()) {
-				return;
-			}
-
-			fLastSelection = null;
-			fLastSelectionProvider = null;
-			fLastUpdatedSelectionChangedEvent = null;
-
-			ISelection textSelection = updateSelection(selection);
-			getParentProvider().setSelection(textSelection);
-			StructuredTextEditor localEditor = getStructuredTextEditor();
-			if (localEditor != null) {
-				localEditor.updateRangeIndication(textSelection);
-			}
-		}
-
-		/**
-		 * Create a corresponding event that contains a
-		 * StructuredTextselection
-		 * 
-		 * @param event
-		 * @return
-		 */
-		private SelectionChangedEvent updateEvent(SelectionChangedEvent event) {
-			ISelection selection = event.getSelection();
-			if (selection instanceof ITextSelection && !(selection instanceof IStructuredSelection)) {
-				IStructuredModel structuredModel = null;
-				StructuredTextEditor localEditor = getStructuredTextEditor();
-				if (localEditor != null) {
-					structuredModel = localEditor.getInternalModel();
-				}
-				selection = new StructuredTextSelection((ITextSelection) event.getSelection(), getDocument(), structuredModel);
-			}
-			SelectionChangedEvent newEvent = new SelectionChangedEvent(event.getSelectionProvider(), selection);
-			return newEvent;
-		}
-
-		/**
-		 * Create a corresponding StructuredTextselection
-		 * 
-		 * @param selection
-		 * @return
-		 */
-		private ISelection updateSelection(ISelection selection) {
-			ISelection updated = selection;
-			if (selection instanceof IStructuredSelection && !(selection instanceof ITextSelection) && !selection.isEmpty()) {
-				Object[] selectedObjects = ((IStructuredSelection) selection).toArray();
-				if (selectedObjects.length > 0) {
-					int start = -1;
-					int length = 0;
-
-					// no ordering is guaranteed for multiple selection
-					Object o = selectedObjects[0];
-					if (o instanceof IndexedRegion) {
-						start = ((IndexedRegion) o).getStartOffset();
-						int end = ((IndexedRegion) o).getEndOffset();
-						if (selectedObjects.length > 1) {
-							for (int i = 1; i < selectedObjects.length; i++) {
-								start = Math.min(start, ((IndexedRegion) selectedObjects[i]).getStartOffset());
-								end = Math.max(end, ((IndexedRegion) selectedObjects[i]).getEndOffset());
-							}
-							length = end - start;
-						}
-					}
-					else if (o instanceof ITextRegion) {
-						start = ((ITextRegion) o).getStart();
-						int end = ((ITextRegion) o).getEnd();
-						if (selectedObjects.length > 1) {
-							for (int i = 1; i < selectedObjects.length; i++) {
-								start = Math.min(start, ((ITextRegion) selectedObjects[i]).getStart());
-								end = Math.max(end, ((ITextRegion) selectedObjects[i]).getEnd());
-							}
-							length = end - start;
-						}
-					}
-
-					if (start > -1) {
-						updated = new StructuredTextSelection(getDocument(), start, length, selectedObjects);
-					}
-				}
-			}
-			return updated;
-		}
-
-		public void setDocument(IDocument document) {
-			weakDocument = new WeakReference(document);
-		}
-	}
-
-	class TimeOutExpired extends TimerTask {
-		public void run() {
-			getDisplay().syncExec(new Runnable() {
-				public void run() {
-					if (getDisplay() != null && !getDisplay().isDisposed())
-						endBusyStateInternal();
-				}
-			});
-		}
-
-	}
-
-	private class ConfigurationAndTarget {
-		private String fTargetId;
-		private StructuredTextViewerConfiguration fConfiguration;
-
-		public ConfigurationAndTarget(String targetId, StructuredTextViewerConfiguration config) {
-			fTargetId = targetId;
-			fConfiguration = config;
-		}
-
-		public String getTargetId() {
-			return fTargetId;
-		}
-
-		public StructuredTextViewerConfiguration getConfiguration() {
-			return fConfiguration;
-		}
-	}
-
-	/**
-	 * This action behaves in two different ways: If there is no current text
-	 * hover, the javadoc is displayed using information presenter. If there
-	 * is a current text hover, it is converted into a information presenter
-	 * in order to make it sticky.
-	 * 
-	 * @see org.eclipse.jdt.internal.ui.javaeditor.JavaEditor#InformationDispatchAction
-	 */
-	class InformationDispatchAction extends TextEditorAction {
-
-		/** The wrapped text operation action. */
-		private final TextOperationAction fTextOperationAction;
-
-		/**
-		 * Creates a dispatch action.
-		 * 
-		 * @param resourceBundle
-		 *            the resource bundle
-		 * @param prefix
-		 *            the prefix
-		 * @param textOperationAction
-		 *            the text operation action
-		 */
-		public InformationDispatchAction(ResourceBundle resourceBundle, String prefix, final TextOperationAction textOperationAction) {
-			super(resourceBundle, prefix, StructuredTextEditor.this);
-			if (textOperationAction == null)
-				throw new IllegalArgumentException();
-			fTextOperationAction = textOperationAction;
-		}
-
-		/*
-		 * @see org.eclipse.jface.action.IAction#run()
-		 */
-		public void run() {
-			ISourceViewer sourceViewer = getSourceViewer();
-			if (sourceViewer == null) {
-				fTextOperationAction.run();
-				return;
-			}
-
-			if (sourceViewer instanceof ITextViewerExtension4) {
-				ITextViewerExtension4 extension4 = (ITextViewerExtension4) sourceViewer;
-				if (extension4.moveFocusToWidgetToken())
-					return;
-			}
-
-			if (!(sourceViewer instanceof ITextViewerExtension2)) {
-				fTextOperationAction.run();
-				return;
-			}
-
-			ITextViewerExtension2 textViewerExtension2 = (ITextViewerExtension2) sourceViewer;
-
-			// does a text hover exist?
-			ITextHover textHover = textViewerExtension2.getCurrentTextHover();
-			if (textHover == null) {
-				fTextOperationAction.run();
-				return;
-			}
-
-			Point hoverEventLocation = textViewerExtension2.getHoverEventLocation();
-			int offset = computeOffsetAtLocation(sourceViewer, hoverEventLocation.x, hoverEventLocation.y);
-			if (offset == -1) {
-				fTextOperationAction.run();
-				return;
-			}
-
-			try {
-				// get the text hover content
-				String contentType = TextUtilities.getContentType(sourceViewer.getDocument(), IStructuredPartitioning.DEFAULT_STRUCTURED_PARTITIONING, offset, true);
-
-				IRegion hoverRegion = textHover.getHoverRegion(sourceViewer, offset);
-				if (hoverRegion == null)
-					return;
-
-				String hoverInfo = textHover.getHoverInfo(sourceViewer, hoverRegion);
-
-				IInformationControlCreator controlCreator = null;
-				if (textHover instanceof IInformationProviderExtension2)
-					controlCreator = ((IInformationProviderExtension2) textHover).getInformationPresenterControlCreator();
-
-				IInformationProvider informationProvider = new InformationProvider(hoverRegion, hoverInfo, controlCreator);
-
-				fInformationPresenter.setOffset(offset);
-				fInformationPresenter.setDocumentPartitioning(IStructuredPartitioning.DEFAULT_STRUCTURED_PARTITIONING);
-				fInformationPresenter.setInformationProvider(informationProvider, contentType);
-				fInformationPresenter.showInformation();
-
-			}
-			catch (BadLocationException e) {
-				// No good information to display
-			}
-		}
-
-		// modified version from TextViewer
-		private int computeOffsetAtLocation(ITextViewer textViewer, int x, int y) {
-
-			StyledText styledText = textViewer.getTextWidget();
-			IDocument document = textViewer.getDocument();
-
-			if (document == null)
-				return -1;
-
-			try {
-				int widgetLocation = styledText.getOffsetAtLocation(new Point(x, y));
-				if (textViewer instanceof ITextViewerExtension5) {
-					ITextViewerExtension5 extension = (ITextViewerExtension5) textViewer;
-					return extension.widgetOffset2ModelOffset(widgetLocation);
-				}
-				else {
-					IRegion visibleRegion = textViewer.getVisibleRegion();
-					return widgetLocation + visibleRegion.getOffset();
-				}
-			}
-			catch (IllegalArgumentException e) {
-				return -1;
-			}
-
-		}
-	}
-
-	/**
-	 * Not API. May be removed in the future.
-	 */
-	protected final static char[] BRACKETS = {'{', '}', '(', ')', '[', ']'};
-
-	private static final long BUSY_STATE_DELAY = 1000;
-	/**
-	 * Not API. May be removed in the future.
-	 */
-	protected static final String DOT = "."; //$NON-NLS-1$
-	private static final String EDITOR_CONTEXT_MENU_ID = "org.eclipse.wst.sse.ui.StructuredTextEditor.EditorContext"; //$NON-NLS-1$
-	private static final String EDITOR_CONTEXT_MENU_SUFFIX = ".source.EditorContext"; //$NON-NLS-1$
-	/** Non-NLS strings */
-	private static final String EDITOR_KEYBINDING_SCOPE_ID = "org.eclipse.wst.sse.ui.structuredTextEditorScope"; //$NON-NLS-1$
-	/**
-	 * Not API. May be removed in the future.
-	 */
-	public static final String GROUP_NAME_ADDITIONS = "additions"; //$NON-NLS-1$
-	/**
-	 * Not API. May be removed in the future.
-	 */
-	public static final String GROUP_NAME_FORMAT = "Format"; //$NON-NLS-1$
-	/**
-	 * Not API. May be removed in the future.
-	 */
-	public static final String GROUP_NAME_FORMAT_EXT = "Format.ext"; //$NON-NLS-1$
-
-	private static final String REDO_ACTION_DESC = SSEUIMessages.Redo___0___UI_; //$NON-NLS-1$ = "Redo: {0}."
-	private static final String REDO_ACTION_DESC_DEFAULT = SSEUIMessages.Redo_Text_Change__UI_; //$NON-NLS-1$ = "Redo Text Change."
-	private static final String REDO_ACTION_TEXT = SSEUIMessages._Redo__0___Ctrl_Y_UI_; //$NON-NLS-1$ = "&Redo {0} @Ctrl+Y"
-	private static final String REDO_ACTION_TEXT_DEFAULT = SSEUIMessages._Redo_Text_Change__Ctrl_Y_UI_; //$NON-NLS-1$ = "&Redo Text Change @Ctrl+Y"
-	private static final String RULER_CONTEXT_MENU_ID = "org.eclipse.wst.sse.ui.StructuredTextEditor.RulerContext"; //$NON-NLS-1$
-	private static final String RULER_CONTEXT_MENU_SUFFIX = ".source.RulerContext"; //$NON-NLS-1$
-
-	private final static String UNDERSCORE = "_"; //$NON-NLS-1$
-	/** Translatable strings */
-	private static final String UNDO_ACTION_DESC = SSEUIMessages.Undo___0___UI_; //$NON-NLS-1$ = "Undo: {0}."
-
-	private static final String UNDO_ACTION_DESC_DEFAULT = SSEUIMessages.Undo_Text_Change__UI_; //$NON-NLS-1$ = "Undo Text Change."
-	private static final String UNDO_ACTION_TEXT = SSEUIMessages._Undo__0___Ctrl_Z_UI_; //$NON-NLS-1$ = "&Undo {0} @Ctrl+Z"
-	private static final String UNDO_ACTION_TEXT_DEFAULT = SSEUIMessages._Undo_Text_Change__Ctrl_Z_UI_; //$NON-NLS-1$ = "&Undo Text Change @Ctrl+Z"
-	// development time/debug variables only
-	private int adapterRequests;
-
-	private long adapterTime;
-	private boolean fBackgroundJobEnded;
-	private boolean fBusyState;
-	private Timer fBusyTimer;
-	Runnable fCurrentRunnable = null;
-	boolean fDirtyBeforeDocumentEvent = false;
-	private ExtendedEditorDropTargetAdapter fDropAdapter;
-	private DropTarget fDropTarget;
-	boolean fEditorDisposed = false;
-	private IEditorPart fEditorPart;
-	private IDocumentListener fInternalDocumentListener;
-	private InternalModelStateListener fInternalModelStateListener;
-	private MouseTracker fMouseTracker;
-	private IContentOutlinePage fOutlinePage;
-
-	private OutlinePageListener fOutlinePageListener = null;
-	/** This editor's projection model updater */
-	private IStructuredTextFoldingProvider fProjectionModelUpdater;
-	/** This editor's projection support */
-	private ProjectionSupport fProjectionSupport;
-	private IPropertySheetPage fPropertySheetPage;
-	private String fRememberTitle;
-	/** The ruler context menu to be disposed. */
-	private Menu fRulerContextMenu;
-	/** The ruler context menu manager to be disposed. */
-	private MenuManager fRulerContextMenuManager;
-
-	String[] fShowInTargetIds = new String[]{IPageLayout.ID_RES_NAV};
-
-	private IAction fShowPropertiesAction = null;
-	private IStructuredModel fStructuredModel;
-	StructuredSelectionProvider fStructuredSelectionProvider = null;
-	/** The text context menu to be disposed. */
-	private Menu fTextContextMenu;
-	/** The text context menu manager to be disposed. */
-	private MenuManager fTextContextMenuManager;
-	private String fViewerConfigurationTargetId;
-	/** The selection history of the editor */
-	private SelectionHistory fSelectionHistory;
-	/** The information presenter. */
-	private InformationPresenter fInformationPresenter;
-	private boolean fUpdateMenuTextPending;
-	int hoverX = -1;
-	int hoverY = -1;
-
-	private boolean shouldClose = false;
-	private long startPerfTime;
-	private boolean fisReleased;
-	/**
-	 * The action group for folding.
-	 */
-	private FoldingActionGroup fFoldingGroup;
-
-	/**
-	 * Creates a new Structured Text Editor.
-	 */
-	public StructuredTextEditor() {
-		super();
-		initializeDocumentProvider(null);
-	}
-
-	private void aboutToSaveModel() {
-		if (getInternalModel() != null) {
-			getInternalModel().aboutToChangeModel();
-		}
-	}
-
-	private void abstractTextEditorContextMenuAboutToShow(IMenuManager menu) {
-		menu.add(new Separator(ITextEditorActionConstants.GROUP_UNDO));
-		menu.add(new GroupMarker(ITextEditorActionConstants.GROUP_SAVE));
-		menu.add(new Separator(ITextEditorActionConstants.GROUP_COPY));
-		menu.add(new Separator(ITextEditorActionConstants.GROUP_PRINT));
-		menu.add(new Separator(ITextEditorActionConstants.GROUP_EDIT));
-		menu.add(new Separator(ITextEditorActionConstants.GROUP_FIND));
-		menu.add(new Separator(IWorkbenchActionConstants.GROUP_ADD));
-		menu.add(new Separator(ITextEditorActionConstants.GROUP_REST));
-		menu.add(new Separator(IWorkbenchActionConstants.MB_ADDITIONS));
-
-		if (isEditable()) {
-			addAction(menu, ITextEditorActionConstants.GROUP_UNDO, ITextEditorActionConstants.UNDO);
-			addAction(menu, ITextEditorActionConstants.GROUP_UNDO, ITextEditorActionConstants.REVERT_TO_SAVED);
-			addAction(menu, ITextEditorActionConstants.GROUP_SAVE, ITextEditorActionConstants.SAVE);
-			addAction(menu, ITextEditorActionConstants.GROUP_COPY, ITextEditorActionConstants.CUT);
-			addAction(menu, ITextEditorActionConstants.GROUP_COPY, ITextEditorActionConstants.COPY);
-			addAction(menu, ITextEditorActionConstants.GROUP_COPY, ITextEditorActionConstants.PASTE);
-		}
-		else {
-			addAction(menu, ITextEditorActionConstants.GROUP_COPY, ITextEditorActionConstants.COPY);
-		}
-
-		// from AbstractDecoratedTextEditor
-		IAction preferencesAction = getAction(ITextEditorActionConstants.CONTEXT_PREFERENCES);
-		menu.appendToGroup(IWorkbenchActionConstants.MB_ADDITIONS, new Separator(ITextEditorActionConstants.GROUP_SETTINGS));
-		menu.appendToGroup(ITextEditorActionConstants.GROUP_SETTINGS, preferencesAction);
-	}
-
-	protected void addContextMenuActions(IMenuManager menu) {
-		// Only offer actions that affect the text if the viewer allows
-		// modification and supports any of these operations
-		IAction formatAll = getAction(StructuredTextEditorActionConstants.ACTION_NAME_FORMAT_DOCUMENT);
-		IAction formatSelection = getAction(StructuredTextEditorActionConstants.ACTION_NAME_FORMAT_ACTIVE_ELEMENTS);
-		IAction cleanupAll = getAction(StructuredTextEditorActionConstants.ACTION_NAME_CLEANUP_DOCUMENT);
-		boolean enableFormatMenu = (formatAll != null && formatAll.isEnabled()) || (formatSelection != null && formatSelection.isEnabled()) || (cleanupAll != null && cleanupAll.isEnabled());
-
-		if (getSourceViewer().isEditable() && enableFormatMenu) {
-			String label = SSEUIMessages.FormatMenu_label; //$NON-NLS-1$ = "Format"
-			MenuManager subMenu = new MenuManager(label, GROUP_NAME_FORMAT);
-			subMenu.add(new GroupMarker(GROUP_NAME_FORMAT_EXT));
-			addAction(subMenu, StructuredTextEditorActionConstants.ACTION_NAME_FORMAT_DOCUMENT);
-			addAction(subMenu, StructuredTextEditorActionConstants.ACTION_NAME_FORMAT_ACTIVE_ELEMENTS);
-			subMenu.add(new GroupMarker(GROUP_NAME_ADDITIONS));
-			addAction(menu, ITextEditorActionConstants.GROUP_EDIT, StructuredTextEditorActionConstants.ACTION_NAME_CLEANUP_DOCUMENT);
-			menu.appendToGroup(ITextEditorActionConstants.GROUP_EDIT, subMenu);
-		}
-
-		// Some Design editors (DTD) rely on this view for their own uses
-		menu.appendToGroup(IWorkbenchActionConstants.GROUP_ADD, fShowPropertiesAction);
-	}
-
-	private void addExtendedContextMenuActions(IMenuManager menu) {
-		IEditorActionBarContributor c = getEditorSite().getActionBarContributor();
-		if (c instanceof IPopupMenuContributor) {
-			((IPopupMenuContributor) c).contributeToPopupMenu(menu);
-		}
-		else {
-			ExtendedEditorActionBuilder builder = new ExtendedEditorActionBuilder();
-			IExtendedContributor pmc = builder.readActionExtensions(getConfigurationPoints());
-			if (pmc != null) {
-				pmc.setActiveEditor(this);
-				pmc.contributeToPopupMenu(menu);
-			}
-		}
-	}
-
-	protected void addExtendedRulerContextMenuActions(IMenuManager menu) {
-		// none at this level
-	}
-
-
-
-	/**
-	 * Starts background mode.
-	 * <p>
-	 * Not API. May be removed in the future.
-	 * </p>
-	 */
-	void beginBackgroundOperation() {
-		fBackgroundJobEnded = false;
-		// if already in busy state, no need to do anything
-		// and, we only start, or reset, the timed busy
-		// state when we get the "endBackgroundOperation" call.
-		if (!inBusyState()) {
-			beginBusyStateInternal();
-		}
-	}
-
-	private void beginBusyStateInternal() {
-
-		fBusyState = true;
-		startBusyTimer();
-
-		ISourceViewer viewer = getSourceViewer();
-		if (viewer instanceof StructuredTextViewer) {
-			((StructuredTextViewer) viewer).beginBackgroundUpdate();
-
-		}
-		showBusy(true);
-	}
-
-	// private void addFindOccurrencesAction(String matchType, String
-	// matchText, IMenuManager menu) {
-	//
-	// AbstractFindOccurrencesAction action = new
-	// AbstractFindOccurrencesAction(getFileInEditor(), new
-	// SearchUIConfiguration(), (IStructuredDocument) getDocument(),
-	// matchType, matchText, getProgressMonitor());
-	// action.setText("Occurrences of \"" + matchText + "\" in File");
-	// menu.appendToGroup(ITextEditorActionConstants.GROUP_EDIT, action);
-	// }
-
-	/*
-	 * (non-Javadoc)
-	 * 
-	 * @see org.eclipse.ui.texteditor.ITextEditor#close(boolean)
-	 */
-	public void close(final boolean save) {
-		/*
-		 * Instead of us closing directly, we have to close with our
-		 * containing (multipage) editor, if it exists.
-		 */
-		if (getSite() == null) {
-			// if site hasn't been set yet, then we're not
-			// completely open
-			// so set a flag not to open
-			shouldClose = true;
-		}
-		else {
-			if (getEditorPart() != null) {
-				Display display = getSite().getShell().getDisplay();
-				display.asyncExec(new Runnable() {
-
-					public void run() {
-						getSite().getPage().closeEditor(getEditorPart(), save);
-					}
-				});
-			}
-			else {
-				super.close(save);
-			}
-		}
-	}
-
-	/*
-	 * (non-Javadoc)
-	 * 
-	 * @see org.eclipse.ui.texteditor.AbstractDecoratedTextEditor#collectContextMenuPreferencePages()
-	 */
-	protected String[] collectContextMenuPreferencePages() {
-		List allIds = new ArrayList(0);
-
-		// get contributed preference pages
-		ExtendedConfigurationBuilder builder = ExtendedConfigurationBuilder.getInstance();
-		String[] configurationIds = getConfigurationPoints();
-		for (int i = 0; i < configurationIds.length; i++) {
-			String[] definitions = builder.getDefinitions("preferencepages", configurationIds[i]); //$NON-NLS-1$
-			for (int j = 0; j < definitions.length; j++) {
-				String someIds = definitions[j];
-				if (someIds != null && someIds.length() > 0) {
-					// supports multiple comma-delimited page IDs in one
-					// element
-					String[] ids = StringUtils.unpack(someIds);
-					for (int k = 0; k < ids.length; k++) {
-						// trim, just to keep things clean
-						String id = ids[k].trim();
-						if (!allIds.contains(id)) {
-							allIds.add(id);
-						}
-					}
-				}
-			}
-		}
-
-		// add pages contributed by super
-		String[] superPages = super.collectContextMenuPreferencePages();
-		for (int m = 0; m < superPages.length; m++) {
-			// trim, just to keep things clean
-			String id = superPages[m].trim();
-			if (!allIds.contains(id)) {
-				allIds.add(id);
-			}
-		}
-
-		return (String[]) allIds.toArray(new String[0]);
-	}
-
-	/**
-	 * Compute and set double-click action for the vertical ruler
-	 */
-	private void computeAndSetDoubleClickAction() {
-		/*
-		 * Make double-clicking on the ruler toggle a breakpoint instead of
-		 * toggling a bookmark. For lines where a breakpoint won't be created,
-		 * create a bookmark through the contributed RulerDoubleClick action.
-		 */
-		setAction(ITextEditorActionConstants.RULER_DOUBLE_CLICK, new ToggleBreakpointAction(this, getVerticalRuler(), getAction(ITextEditorActionConstants.RULER_DOUBLE_CLICK)));
-	}
-
-	/*
-	 * (non-Javadoc)
-	 * 
-	 * @see org.eclipse.ui.texteditor.ExtendedTextEditor#configureSourceViewerDecorationSupport(org.eclipse.ui.texteditor.SourceViewerDecorationSupport)
-	 */
-	protected void configureSourceViewerDecorationSupport(SourceViewerDecorationSupport support) {
-		support.setCharacterPairMatcher(createCharacterPairMatcher());
-		support.setMatchingCharacterPainterPreferenceKeys(EditorPreferenceNames.MATCHING_BRACKETS, EditorPreferenceNames.MATCHING_BRACKETS_COLOR);
-
-		super.configureSourceViewerDecorationSupport(support);
-	}
-
-	protected void createActions() {
-		super.createActions();
-		ResourceBundle resourceBundle = SSEUIMessages.getResourceBundle();
-		IWorkbenchHelpSystem helpSystem = SSEUIPlugin.getDefault().getWorkbench().getHelpSystem();
-		// TextView Action - moving the selected text to
-		// the clipboard
-		// override the cut/paste/delete action to make
-		// them run on read-only
-		// files
-		Action action = new TextOperationAction(resourceBundle, "Editor_Cut_", this, ITextOperationTarget.CUT, true); //$NON-NLS-1$
-		action.setActionDefinitionId(IWorkbenchActionDefinitionIds.CUT);
-		setAction(ITextEditorActionConstants.CUT, action);
-		helpSystem.setHelp(action, IAbstractTextEditorHelpContextIds.CUT_ACTION);
-		// TextView Action - inserting the clipboard
-		// content at the current
-		// position
-		// override the cut/paste/delete action to make
-		// them run on read-only
-		// files
-		action = new TextOperationAction(resourceBundle, "Editor_Paste_", this, ITextOperationTarget.PASTE, true); //$NON-NLS-1$
-		action.setActionDefinitionId(IWorkbenchActionDefinitionIds.PASTE);
-		setAction(ITextEditorActionConstants.PASTE, action);
-		helpSystem.setHelp(action, IAbstractTextEditorHelpContextIds.PASTE_ACTION);
-		// TextView Action - deleting the selected text or
-		// if selection is
-		// empty the character at the right of the current
-		// position
-		// override the cut/paste/delete action to make
-		// them run on read-only
-		// files
-		action = new TextOperationAction(resourceBundle, "Editor_Delete_", this, ITextOperationTarget.DELETE, true); //$NON-NLS-1$
-		action.setActionDefinitionId(IWorkbenchActionDefinitionIds.DELETE);
-		setAction(ITextEditorActionConstants.DELETE, action);
-		helpSystem.setHelp(action, IAbstractTextEditorHelpContextIds.DELETE_ACTION);
-		// SourceView Action - requesting information at
-		// the current insertion
-		// position
-		action = new TextOperationAction(SSEUIMessages.getResourceBundle(), StructuredTextEditorActionConstants.ACTION_NAME_INFORMATION + UNDERSCORE, this, ISourceViewer.INFORMATION, true);
-		action = new InformationDispatchAction(SSEUIMessages.getResourceBundle(), StructuredTextEditorActionConstants.ACTION_NAME_INFORMATION + UNDERSCORE, (TextOperationAction) action);
-		action.setActionDefinitionId(ActionDefinitionIds.INFORMATION);
-		setAction(StructuredTextEditorActionConstants.ACTION_NAME_INFORMATION, action);
-		markAsStateDependentAction(StructuredTextEditorActionConstants.ACTION_NAME_INFORMATION, true);
-		// SourceView Action - requesting content assist to
-		// show completetion
-		// proposals for the current insert position
-		action = new TextOperationAction(resourceBundle, StructuredTextEditorActionConstants.ACTION_NAME_CONTENTASSIST_PROPOSALS + UNDERSCORE, this, ISourceViewer.CONTENTASSIST_PROPOSALS, true);
-		helpSystem.setHelp(action, IHelpContextIds.CONTMNU_CONTENTASSIST_HELPID);
-		action.setActionDefinitionId(ITextEditorActionDefinitionIds.CONTENT_ASSIST_PROPOSALS);
-		setAction(StructuredTextEditorActionConstants.ACTION_NAME_CONTENTASSIST_PROPOSALS, action);
-		markAsStateDependentAction(StructuredTextEditorActionConstants.ACTION_NAME_CONTENTASSIST_PROPOSALS, true);
-		// SourceView Action - requesting content assist to
-		// show the content
-		// information for the current insert position
-		action = new TextOperationAction(SSEUIMessages.getResourceBundle(), StructuredTextEditorActionConstants.ACTION_NAME_CONTENTASSIST_CONTEXT_INFORMATION + UNDERSCORE, this, ISourceViewer.CONTENTASSIST_CONTEXT_INFORMATION);
-		action.setActionDefinitionId(ITextEditorActionDefinitionIds.CONTENT_ASSIST_CONTEXT_INFORMATION);
-		setAction(StructuredTextEditorActionConstants.ACTION_NAME_CONTENTASSIST_CONTEXT_INFORMATION, action);
-		markAsStateDependentAction(StructuredTextEditorActionConstants.ACTION_NAME_CONTENTASSIST_CONTEXT_INFORMATION, true);
-		// StructuredTextViewer Action - requesting
-		// correction assist to show
-		// correction proposals for the current position
-		action = new TextOperationAction(resourceBundle, StructuredTextEditorActionConstants.ACTION_NAME_QUICK_FIX + UNDERSCORE, this, StructuredTextViewer.QUICK_FIX, true);
-		action.setActionDefinitionId(ActionDefinitionIds.QUICK_FIX);
-		setAction(StructuredTextEditorActionConstants.ACTION_NAME_QUICK_FIX, action);
-		markAsStateDependentAction(StructuredTextEditorActionConstants.ACTION_NAME_QUICK_FIX, true);
-		// StructuredTextViewer Action - requesting format
-		// of the whole
-		// document
-		action = new TextOperationAction(resourceBundle, StructuredTextEditorActionConstants.ACTION_NAME_FORMAT_DOCUMENT + UNDERSCORE, this, StructuredTextViewer.FORMAT_DOCUMENT);
-		helpSystem.setHelp(action, IHelpContextIds.CONTMNU_FORMAT_DOC_HELPID);
-		action.setActionDefinitionId(ActionDefinitionIds.FORMAT_DOCUMENT);
-		setAction(StructuredTextEditorActionConstants.ACTION_NAME_FORMAT_DOCUMENT, action);
-		markAsStateDependentAction(StructuredTextEditorActionConstants.ACTION_NAME_FORMAT_DOCUMENT, true);
-		markAsSelectionDependentAction(StructuredTextEditorActionConstants.ACTION_NAME_FORMAT_DOCUMENT, true);
-		// StructuredTextViewer Action - requesting format
-		// of the active
-		// elements
-		action = new TextOperationAction(resourceBundle, StructuredTextEditorActionConstants.ACTION_NAME_FORMAT_ACTIVE_ELEMENTS + UNDERSCORE, this, StructuredTextViewer.FORMAT_ACTIVE_ELEMENTS);
-		helpSystem.setHelp(action, IHelpContextIds.CONTMNU_FORMAT_ELEMENTS_HELPID);
-		action.setActionDefinitionId(ActionDefinitionIds.FORMAT_ACTIVE_ELEMENTS);
-		setAction(StructuredTextEditorActionConstants.ACTION_NAME_FORMAT_ACTIVE_ELEMENTS, action);
-		markAsStateDependentAction(StructuredTextEditorActionConstants.ACTION_NAME_FORMAT_ACTIVE_ELEMENTS, true);
-		markAsSelectionDependentAction(StructuredTextEditorActionConstants.ACTION_NAME_FORMAT_ACTIVE_ELEMENTS, true);
-
-		// StructuredTextEditor Action - add breakpoints (falling back to the
-		// current double-click if they can't be added)
-		action = new ToggleBreakpointAction(this, getVerticalRuler());
-		setAction(ActionDefinitionIds.TOGGLE_BREAKPOINTS, action);
-		// StructuredTextEditor Action - manage breakpoints
-		action = new ManageBreakpointAction(this, getVerticalRuler());
-		setAction(ActionDefinitionIds.MANAGE_BREAKPOINTS, action);
-		// StructuredTextEditor Action - edit breakpoints
-		action = new EditBreakpointAction(this, getVerticalRuler());
-		setAction(ActionDefinitionIds.EDIT_BREAKPOINTS, action);
-		// StructuredTextViewer Action - open file on selection
-		action = new OpenHyperlinkAction(resourceBundle, StructuredTextEditorActionConstants.ACTION_NAME_OPEN_FILE + UNDERSCORE, this, getSourceViewer());
-		action.setActionDefinitionId(ActionDefinitionIds.OPEN_FILE);
-		setAction(StructuredTextEditorActionConstants.ACTION_NAME_OPEN_FILE, action);
-
-		computeAndSetDoubleClickAction();
-
-		fShowPropertiesAction = new ShowPropertiesAction();
-		fFoldingGroup = new FoldingActionGroup(this, getSourceViewer());
-	}
-
-	protected LineChangeHover createChangeHover() {
-		return new StructuredLineChangeHover();
-	}
-
-	protected ICharacterPairMatcher createCharacterPairMatcher() {
-		ICharacterPairMatcher matcher = null;
-		ExtendedConfigurationBuilder builder = ExtendedConfigurationBuilder.getInstance();
-		String[] ids = getConfigurationPoints();
-		for (int i = 0; matcher == null && i < ids.length; i++) {
-			matcher = (ICharacterPairMatcher) builder.getConfiguration(DocumentRegionEdgeMatcher.ID, ids[i]);
-		}
-		if (matcher == null) {
-			matcher = new ICharacterPairMatcher() {
-
-				public void clear() {
-				}
-
-				public void dispose() {
-				}
-
-				public int getAnchor() {
-					return ICharacterPairMatcher.LEFT;
-				}
-
-				public IRegion match(IDocument iDocument, int i) {
-					return null;
-				}
-			};
-		}
-		return matcher;
-	}
-
-	/**
-	 * Create a preference store that combines the source editor preferences
-	 * with the base editor's preferences.
-	 * 
-	 * @return IPreferenceStore
-	 */
-	private IPreferenceStore createCombinedPreferenceStore() {
-		IPreferenceStore sseEditorPrefs = SSEUIPlugin.getDefault().getPreferenceStore();
-		IPreferenceStore baseEditorPrefs = EditorsUI.getPreferenceStore();
-		return new ChainedPreferenceStore(new IPreferenceStore[]{sseEditorPrefs, baseEditorPrefs});
-	}
-
-	private ContentOutlineConfiguration createContentOutlineConfiguration() {
-		ContentOutlineConfiguration cfg = null;
-		ExtendedConfigurationBuilder builder = ExtendedConfigurationBuilder.getInstance();
-		String[] ids = getConfigurationPoints();
-		for (int i = 0; cfg == null && i < ids.length; i++) {
-			cfg = (ContentOutlineConfiguration) builder.getConfiguration(ExtendedConfigurationBuilder.CONTENTOUTLINECONFIGURATION, ids[i]);
-		}
-		return cfg;
-	}
-
-	/**
-	 * Only gets the correction assistant associted with the current source
-	 * viewer configuration.
-	 * 
-	 * @return IContentAssistant or null
-	 */
-	private IContentAssistant createCorrectionAssistant() {
-		IContentAssistant assist = null;
-		ExtendedConfigurationBuilder builder = ExtendedConfigurationBuilder.getInstance();
-		CorrectionAssistantProvider provider = (CorrectionAssistantProvider) builder.getConfiguration("correctionassistant", fViewerConfigurationTargetId); //$NON-NLS-1$
-		if (provider != null) {
-			assist = provider.getCorrectionAssistant(getSourceViewer());
-		}
-		return assist;
-	}
-
-	protected void createModelDependentFields() {
-		// none at this level
-	}
-
-	/**
-	 * {@inheritDoc}
-	 * <p>
-	 * Use StructuredTextViewerConfiguration if a viewerconfiguration has not
-	 * already been set. Also initialize StructuredTextViewer.
-	 * </p>
-	 * 
-	 * @see org.eclipse.ui.texteditor.AbstractDecoratedTextEditor#createPartControl(org.eclipse.swt.widgets.Composite)
-	 */
-	public void createPartControl(Composite parent) {
-		if (getSourceViewerConfiguration() == null) {
-			ConfigurationAndTarget cat = createSourceViewerConfiguration();
-			fViewerConfigurationTargetId = cat.getTargetId();
-			StructuredTextViewerConfiguration newViewerConfiguration = cat.getConfiguration();
-			setSourceViewerConfiguration(newViewerConfiguration);
-		}
-
-		super.createPartControl(parent);
-
-		// instead of calling setInput twice, use initializeSourceViewer() to
-		// handle source viewer initialization previously handled by setInput
-		initializeSourceViewer();
-
-		// update editor context menu, vertical ruler context menu, infopop
-		if (getInternalModel() != null) {
-			updateEditorControlsForContentType(getInternalModel().getContentTypeIdentifier());
-		}
-		else {
-			updateEditorControlsForContentType(null);
-		}
-
-		// used for Show Tooltip Description
-		IInformationControlCreator informationControlCreator = new IInformationControlCreator() {
-			public IInformationControl createInformationControl(Shell shell) {
-				boolean cutDown = false;
-				int style = cutDown ? SWT.NONE : (SWT.V_SCROLL | SWT.H_SCROLL);
-				return new DefaultInformationControl(shell, SWT.RESIZE | SWT.TOOL, style, new HTMLTextPresenter(cutDown));
-			}
-		};
-
-		fInformationPresenter = new InformationPresenter(informationControlCreator);
-		fInformationPresenter.setSizeConstraints(60, 10, true, true);
-		fInformationPresenter.install(getSourceViewer());
-	}
-
-	protected PropertySheetConfiguration createPropertySheetConfiguration() {
-		PropertySheetConfiguration cfg = null;
-		ExtendedConfigurationBuilder builder = ExtendedConfigurationBuilder.getInstance();
-		String[] ids = getConfigurationPoints();
-		for (int i = 0; cfg == null && i < ids.length; i++) {
-			cfg = (PropertySheetConfiguration) builder.getConfiguration(ExtendedConfigurationBuilder.PROPERTYSHEETCONFIGURATION, ids[i]);
-		}
-		return cfg;
-	}
-
-	/**
-	 * Loads the Show In Target IDs from the Extended Configuration extension
-	 * point.
-	 * 
-	 * @return
-	 */
-	private String[] createShowInTargetIds() {
-		List allIds = new ArrayList(0);
-		ExtendedConfigurationBuilder builder = ExtendedConfigurationBuilder.getInstance();
-		String[] configurationIds = getConfigurationPoints();
-		for (int i = 0; i < configurationIds.length; i++) {
-			String[] definitions = builder.getDefinitions("showintarget", configurationIds[i]); //$NON-NLS-1$
-			for (int j = 0; j < definitions.length; j++) {
-				String someIds = definitions[j];
-				if (someIds != null && someIds.length() > 0) {
-					String[] ids = StringUtils.unpack(someIds);
-					for (int k = 0; k < ids.length; k++) {
-						// trim, just to keep things clean
-						String id = ids[k].trim();
-						if (!allIds.contains(id)) {
-							allIds.add(id);
-						}
-					}
-				}
-			}
-		}
-
-		if (!allIds.contains(IPageLayout.ID_RES_NAV)) {
-			allIds.add(IPageLayout.ID_RES_NAV);
-		}
-		if (!allIds.contains(IPageLayout.ID_OUTLINE)) {
-			allIds.add(IPageLayout.ID_OUTLINE);
-		}
-		return (String[]) allIds.toArray(new String[0]);
-	}
-
-	/**
-	 * @return
-	 */
-	private ISourceEditingTextTools createSourceEditingTextTools() {
-		ISourceEditingTextTools tools = null;
-		ExtendedConfigurationBuilder builder = ExtendedConfigurationBuilder.getInstance();
-		String[] ids = getConfigurationPoints();
-		for (int i = 0; tools == null && i < ids.length; i++) {
-			tools = (ISourceEditingTextTools) builder.getConfiguration(NullSourceEditingTextTools.ID, ids[i]);
-		}
-		if (tools == null) {
-			tools = NullSourceEditingTextTools.getInstance();
-			((NullSourceEditingTextTools) tools).setTextEditor(this);
-		}
-		Method method = null; //$NON-NLS-1$
-		try {
-			method = tools.getClass().getMethod("setTextEditor", new Class[]{StructuredTextEditor.class}); //$NON-NLS-1$
-		}
-		catch (NoSuchMethodException e) {
-		}
-		if (method == null) {
-			try {
-				method = tools.getClass().getMethod("setTextEditor", new Class[]{ITextEditor.class}); //$NON-NLS-1$
-			}
-			catch (NoSuchMethodException e) {
-			}
-		}
-		if (method == null) {
-			try {
-				method = tools.getClass().getMethod("setTextEditor", new Class[]{IEditorPart.class}); //$NON-NLS-1$
-			}
-			catch (NoSuchMethodException e) {
-			}
-		}
-		if (method != null) {
-			if (!method.isAccessible()) {
-				method.setAccessible(true);
-			}
-			try {
-				method.invoke(tools, new Object[]{this});
-			}
-			catch (Exception e) {
-				Logger.logException("Problem creating ISourceEditingTextTools implementation", e); //$NON-NLS-1$
-			}
-		}
-
-		return tools;
-	}
-
-	/**
-	 * Creates the source viewer to be used by this editor
-	 */
-	protected ISourceViewer createSourceViewer(Composite parent, IVerticalRuler verticalRuler, int styles) {
-		fAnnotationAccess = createAnnotationAccess();
-		fOverviewRuler = createOverviewRuler(getSharedColors());
-		StructuredTextViewer sourceViewer = createStructedTextViewer(parent, verticalRuler, styles);
-		initSourceViewer(sourceViewer);
-		return sourceViewer;
-	}
-
-	private ConfigurationAndTarget createSourceViewerConfiguration() {
-		ConfigurationAndTarget cat = null;
-		StructuredTextViewerConfiguration cfg = null;
-		ExtendedConfigurationBuilder builder = ExtendedConfigurationBuilder.getInstance();
-		String[] ids = getConfigurationPoints();
-		for (int i = 0; cfg == null && i < ids.length; i++) {
-			cfg = (StructuredTextViewerConfiguration) builder.getConfiguration(ExtendedConfigurationBuilder.SOURCEVIEWERCONFIGURATION, ids[i]);
-			cat = new ConfigurationAndTarget(ids[i], cfg);
-		}
-		if (cfg == null) {
-			cfg = new StructuredTextViewerConfiguration();
-			String targetid = getClass().getName() + "#default"; //$NON-NLS-1$
-			cat = new ConfigurationAndTarget(targetid, cfg);
-		}
-		return cat;
-	}
-
-	protected StructuredTextViewer createStructedTextViewer(Composite parent, IVerticalRuler verticalRuler, int styles) {
-		return new StructuredTextViewer(parent, verticalRuler, getOverviewRuler(), isOverviewRulerVisible(), styles);
-	}
-
-	protected void createUndoRedoActions() {
-		// overridden to add icons to actions
-		// https://bugs.eclipse.org/bugs/show_bug.cgi?id=111877
-		super.createUndoRedoActions();
-		IAction action = getAction(ITextEditorActionConstants.UNDO);
-		if (action != null) {
-			action.setImageDescriptor(PlatformUI.getWorkbench().getSharedImages().getImageDescriptor(ISharedImages.IMG_TOOL_UNDO));
-		}
-
-		action = getAction(ITextEditorActionConstants.REDO);
-		if (action != null) {
-			action.setImageDescriptor(PlatformUI.getWorkbench().getSharedImages().getImageDescriptor(ISharedImages.IMG_TOOL_REDO));
-		}
-	}
-
-	/*
-	 * (non-Javadoc)
-	 * 
-	 * @see org.eclipse.ui.IWorkbenchPart#dispose()
-	 */
-	public void dispose() {
-		Logger.trace("Source Editor", "StructuredTextEditor::dispose entry"); //$NON-NLS-1$ //$NON-NLS-2$
-		if (org.eclipse.wst.sse.core.internal.util.Debug.perfTestAdapterClassLoading) {
-			System.out.println("Total calls to getAdapter: " + adapterRequests); //$NON-NLS-1$
-			System.out.println("Total time in getAdapter: " + adapterTime); //$NON-NLS-1$
-			System.out.println("Average time per call: " + (adapterTime / adapterRequests)); //$NON-NLS-1$
-		}
-
-		// dispose of information presenter
-		if (fInformationPresenter != null) {
-			fInformationPresenter.dispose();
-			fInformationPresenter = null;
-		}
-
-		// dispose of selection history
-		if (fSelectionHistory != null) {
-			fSelectionHistory.dispose();
-			fSelectionHistory = null;
-		}
-
-		// dispose of document folding support
-		if (fProjectionModelUpdater != null) {
-			fProjectionModelUpdater.uninstall();
-			fProjectionModelUpdater = null;
-		}
-
-		if (fProjectionSupport != null) {
-			fProjectionSupport.dispose();
-			fProjectionSupport = null;
-		}
-
-		if (fFoldingGroup != null) {
-			fFoldingGroup.dispose();
-			fFoldingGroup = null;
-		}
-
-		// subclass may not have mouse tracker created
-		// need to check for null before stopping
-		if (fMouseTracker != null) {
-			fMouseTracker.stop();
-			fMouseTracker = null;
-		}
-
-		// dispose of menus that were being tracked
-		if (fTextContextMenu != null) {
-			fTextContextMenu.dispose();
-		}
-		if (fRulerContextMenu != null) {
-			fRulerContextMenu.dispose();
-		}
-		if (fTextContextMenuManager != null) {
-			fTextContextMenuManager.removeMenuListener(getContextMenuListener());
-			fTextContextMenuManager.removeAll();
-			fTextContextMenuManager.dispose();
-		}
-		if (fRulerContextMenuManager != null) {
-			fRulerContextMenuManager.removeMenuListener(getContextMenuListener());
-			fRulerContextMenuManager.removeAll();
-			fRulerContextMenuManager.dispose();
-		}
-
-		// added this 2/20/2004 based on probe results --
-		// seems should be handled by setModel(null), but
-		// that's a more radical change.
-		// and, technically speaking, should not be needed,
-		// but makes a memory leak
-		// less severe.
-		if (fStructuredModel != null) {
-			if (fStructuredModel.getStructuredDocument() != null) {
-				fStructuredModel.getStructuredDocument().removeDocumentListener(getInternalDocumentListener());
-			}
-			fStructuredModel.removeModelStateListener(getInternalModelStateListener());
-		}
-
-		// BUG155335 - if there was no document provider, there was nothing added
-		// to document, so nothing to remove
-		if (getDocumentProvider() != null) {
-			IDocument doc = getDocumentProvider().getDocument(getEditorInput());
-			if (doc != null) {
-				doc.removeDocumentListener(getInternalDocumentListener());
-				if (doc instanceof IExecutionDelegatable) {
-					((IExecutionDelegatable) doc).setExecutionDelegate(null);
-				}
-			}
-		}
-
-		// some things in the configuration need to clean
-		// up after themselves
-		if (fOutlinePage != null) {
-			if (fOutlinePage instanceof ConfigurableContentOutlinePage && fOutlinePageListener != null) {
-				((ConfigurableContentOutlinePage) fOutlinePage).removeDoubleClickListener(fOutlinePageListener);
-			}
-			if (fOutlinePageListener != null) {
-				fOutlinePage.removeSelectionChangedListener(fOutlinePageListener);
-			}
-		}
-
-		fEditorDisposed = true;
-		disposeModelDependentFields();
-
-		if (fDropTarget != null)
-			fDropTarget.dispose();
-
-		setPreferenceStore(null);
-
-		// strictly speaking, but following null outs
-		// should not be needed,
-		// but in the event of a memory leak, they make the
-		// memory leak less
-		// severe
-		fDropAdapter = null;
-		fDropTarget = null;
-
-		super.dispose();
-
-		Logger.trace("Source Editor", "StructuredTextEditor::dispose exit"); //$NON-NLS-1$ //$NON-NLS-2$
-	}
-
-	/*
-	 * (non-Javadoc)
-	 * 
-	 * @see org.eclipse.ui.texteditor.AbstractDecoratedTextEditor#disposeDocumentProvider()
-	 */
-	protected void disposeDocumentProvider() {
-		if (fStructuredModel != null && !fisReleased && !(getDocumentProvider() instanceof IModelProvider)) {
-			fStructuredModel.releaseFromEdit();
-			fisReleased = true;
-		}
-		super.disposeDocumentProvider();
-	}
-
-	/**
-	 * Disposes model specific editor helpers such as statusLineHelper.
-	 * Basically any code repeated in update() & dispose() should be placed
-	 * here.
-	 */
-	private void disposeModelDependentFields() {
-		// none at this level
-	}
-
-	/*
-	 * (non-Javadoc)
-	 * 
-	 * @see org.eclipse.ui.texteditor.ITextEditor#doRevertToSaved()
-	 */
-	public void doRevertToSaved() {
-		super.doRevertToSaved();
-		if (fOutlinePage != null && fOutlinePage instanceof IUpdate) {
-			((IUpdate) fOutlinePage).update();
-		}
-		// reset undo
-		IDocument doc = getDocumentProvider().getDocument(getEditorInput());
-		if (doc instanceof IStructuredDocument) {
-			((IStructuredDocument) doc).getUndoManager().getCommandStack().flush();
-		}
-
-		// update menu text
-		updateMenuText();
-	}
-
-	/*
-	 * (non-Javadoc)
-	 * 
-	 * @see org.eclipse.ui.ISaveablePart#doSave(org.eclipse.core.runtime.IProgressMonitor)
-	 */
-	public void doSave(IProgressMonitor progressMonitor) {
-		try {
-			aboutToSaveModel();
-			updateEncodingMemento();
-			super.doSave(progressMonitor);
-		}
-		finally {
-			savedModel();
-		}
-	}
-
-	/*
-	 * (non-Javadoc)
-	 * 
-	 * @see org.eclipse.ui.texteditor.AbstractTextEditor#doSetInput(org.eclipse.ui.IEditorInput)
-	 */
-	protected void doSetInput(IEditorInput input) throws CoreException {
-		// TODO: if opened in more than one editor, this will cause
-		// problems.
-		IEditorInput oldInput = getEditorInput();
-		if (oldInput != null) {
-			IDocument olddoc = getDocumentProvider().getDocument(oldInput);
-			if (olddoc != null && olddoc instanceof IExecutionDelegatable) {
-				((IExecutionDelegatable) olddoc).setExecutionDelegate(null);
-			}
-		}
-
-		if (fStructuredModel != null && !(getDocumentProvider() instanceof IModelProvider)) {
-			fStructuredModel.releaseFromEdit();
-		}
-
-		super.doSetInput(input);
-
-		IDocument newDocument = getDocumentProvider().getDocument(input);
-		if (newDocument instanceof IExecutionDelegatable) {
-			((IExecutionDelegatable) newDocument).setExecutionDelegate(new EditorExecutionContext(this));
-		}
-
-		IStructuredModel model = null;
-		// if we have a Model provider, get the model from it
-		if (getDocumentProvider() instanceof IModelProvider) {
-			model = ((IModelProvider) getDocumentProvider()).getModel(getEditorInput());
-			if (!model.isShared()) {
-				EditorModelUtil.addFactoriesTo(model);
-			}
-		}
-		else {
-			if (newDocument instanceof IStructuredDocument) {
-				// corresponding releaseFromEdit occurs in
-				// dispose()
-				model = StructuredModelManager.getModelManager().getModelForEdit((IStructuredDocument) newDocument);
-				EditorModelUtil.addFactoriesTo(model);
-			}
-
-			else {
-				logUnexpectedDocumentKind(input);
-			}
-		}
-
-		if (fStructuredModel != null || model != null) {
-			setModel(model);
-		}
-
-		if (getInternalModel() != null) {
-			updateEditorControlsForContentType(getInternalModel().getContentTypeIdentifier());
-		}
-		else {
-			updateEditorControlsForContentType(null);
-		}
-
-		if (fProjectionModelUpdater != null)
-			fProjectionModelUpdater.initialize();
-
-		// start editor with smart insert mode
-		setInsertMode(SMART_INSERT);
-	}
-
-	/**
-	 * Sets up this editor's context menu before it is made visible.
-	 * <p>
-	 * Not API. May be reduced to protected method in the future.
-	 * </p>
-	 * 
-	 * @param menu
-	 *            the menu
-	 */
-	public void editorContextMenuAboutToShow(IMenuManager menu) {
-		// To be consistant with the Java Editor, we want
-		// to remove
-		// ShiftRight and ShiftLeft from the context menu.
-		//
-		// ShiftRight and ShiftLeft were added in the super
-		// implemenation of
-		// this method. We want to skip it and call
-		// AbstractTextEditor's
-		// implementation directly. The easiest way is to
-		// copy the method here.
-
-		// super.editorContextMenuAboutToShow(menu);
-		abstractTextEditorContextMenuAboutToShow(menu);
-
-		addContextMenuActions(menu);
-		addExtendedContextMenuActions(menu);
-	}
-
-	/**
-	 * End background mode.
-	 * <p>
-	 * Not API. May be removed in the future.
-	 * </p>
-	 */
-	void endBackgroundOperation() {
-		fBackgroundJobEnded = true;
-		// note, we don't immediately end our 'internal busy' state,
-		// since we may get many calls in a short period of
-		// time. We always wait for the time out.
-		resetBusyState();
-	}
-
-	/**
-	 * Note this method can be called indirectly from background job operation
-	 * ... but expected to be gaurded there with ILock, plus, can be called
-	 * directly from timer thread, so the timer's run method guards with ILock
-	 * too.
-	 */
-	private void endBusyStateInternal() {
-		if (fBackgroundJobEnded) {
-			fBusyTimer.cancel();
-			showBusy(false);
-
-			ISourceViewer viewer = getSourceViewer();
-			if (viewer instanceof StructuredTextViewer) {
-				((StructuredTextViewer) viewer).endBackgroundUpdate();
-			}
-			fBusyState = false;
-		}
-		else {
-			// we will only be in this branch for a back ground job that is
-			// taking
-			// longer than our normal time-out period (meaning we got notified
-			// of
-			// the timeout "inbetween" calls to 'begin' and
-			// 'endBackgroundOperation'.
-			// (which, remember, can only happen since there are many calls to
-			// begin/end in a short period of time, and we only "reset" on the
-			// 'ends').
-			// In this event, there's really nothing to do, we're still in
-			// "busy state"
-			// and should start a new reset cycle once endBackgroundjob is
-			// called.
-		}
-	}
-
-	/*
-	 * (non-Javadoc)
-	 * 
-	 * @see org.eclipse.core.runtime.IAdaptable#getAdapter(java.lang.Class)
-	 */
-	public Object getAdapter(Class required) {
-		if (org.eclipse.wst.sse.core.internal.util.Debug.perfTestAdapterClassLoading) {
-			startPerfTime = System.currentTimeMillis();
-		}
-		Object result = null;
-		// text editor
-		IStructuredModel internalModel = getInternalModel();
-		if (ITextEditor.class.equals(required)) {
-			result = this;
-		}
-		else if (IWorkbenchSiteProgressService.class.equals(required)) {
-			return getEditorPart().getSite().getAdapter(IWorkbenchSiteProgressService.class);
-		}
-		// content outline page
-		else if (IContentOutlinePage.class.equals(required)) {
-			if (fOutlinePage == null || fOutlinePage.getControl() == null || fOutlinePage.getControl().isDisposed()) {
-				ContentOutlineConfiguration cfg = createContentOutlineConfiguration();
-				if (cfg != null) {
-					ConfigurableContentOutlinePage outlinePage = new ConfigurableContentOutlinePage();
-					outlinePage.setConfiguration(cfg);
-					if (internalModel != null) {
-						outlinePage.setInputContentTypeIdentifier(internalModel.getContentTypeIdentifier());
-						outlinePage.setInput(internalModel);
-					}
-
-					if (fOutlinePageListener == null) {
-						fOutlinePageListener = new OutlinePageListener();
-					}
-
-					outlinePage.addSelectionChangedListener(fOutlinePageListener);
-					outlinePage.addDoubleClickListener(fOutlinePageListener);
-
-					fOutlinePage = outlinePage;
-				}
-			}
-			result = fOutlinePage;
-		}
-		// property sheet page, but only if the input's editable
-		else if (IPropertySheetPage.class.equals(required) && isEditable()) {
-			if (fPropertySheetPage == null || fPropertySheetPage.getControl() == null || fPropertySheetPage.getControl().isDisposed()) {
-				PropertySheetConfiguration cfg = createPropertySheetConfiguration();
-				if (cfg != null) {
-					ConfigurablePropertySheetPage propertySheetPage = new ConfigurablePropertySheetPage();
-					propertySheetPage.setConfiguration(cfg);
-					fPropertySheetPage = propertySheetPage;
-				}
-			}
-			result = fPropertySheetPage;
-		}
-		else if (IDocument.class.equals(required)) {
-			result = getDocumentProvider().getDocument(getEditorInput());
-		}
-		else if (ISourceEditingTextTools.class.equals(required)) {
-			result = createSourceEditingTextTools();
-		}
-		else if (IToggleBreakpointsTarget.class.equals(required)) {
-			result = ToggleBreakpointsTarget.getInstance();
-		}
-		else if (IShowInTargetList.class.equals(required)) {
-			return new ShowInTargetListAdapter();
-		}
-		else if (SelectionHistory.class.equals(required)) {
-			if (fSelectionHistory == null)
-				fSelectionHistory = new SelectionHistory(this);
-			return fSelectionHistory;
-		}
-		else {
-			if (result == null && internalModel != null) {
-				result = internalModel.getAdapter(required);
-			}
-			// others
-			if (result == null)
-				result = super.getAdapter(required);
-		}
-		if (org.eclipse.wst.sse.core.internal.util.Debug.perfTestAdapterClassLoading) {
-			long stop = System.currentTimeMillis();
-			adapterRequests++;
-			adapterTime += (stop - startPerfTime);
-		}
-		if (org.eclipse.wst.sse.core.internal.util.Debug.perfTestAdapterClassLoading) {
-			System.out.println("Total calls to getAdapter: " + adapterRequests); //$NON-NLS-1$
-			System.out.println("Total time in getAdapter: " + adapterTime); //$NON-NLS-1$
-			System.out.println("Average time per call: " + (adapterTime / adapterRequests)); //$NON-NLS-1$
-		}
-		return result;
-	}
-
-	private String[] getConfigurationPoints() {
-		String contentTypeIdentifierID = null;
-		if (getInternalModel() != null) {
-			contentTypeIdentifierID = getInternalModel().getContentTypeIdentifier();
-		}
-		return ConfigurationPointCalculator.getConfigurationPoints(this, contentTypeIdentifierID, ConfigurationPointCalculator.SOURCE, StructuredTextEditor.class);
-	}
-
-	/**
-	 * added checks to overcome bug such that if we are shutting down in an
-	 * error condition, then viewer will have already been disposed.
-	 */
-	protected String getCursorPosition() {
-		String result = null;
-		// this may be too expensive in terms of
-		// performance, to do this check
-		// every time, just to gaurd against error
-		// condition.
-		// perhaps there's a better way?
-		if (getSourceViewer() != null && getSourceViewer().getTextWidget() != null && !getSourceViewer().getTextWidget().isDisposed()) {
-			result = super.getCursorPosition();
-		}
-		else {
-			result = "0:0"; //$NON-NLS-1$
-		}
-		return result;
-	}
-
-
-	Display getDisplay() {
-		return PlatformUI.getWorkbench().getDisplay();
-	}
-
-	/**
-	 * Returns this editor part.
-	 * <p>
-	 * Not API. May be removed in the future.
-	 * </p>
-	 * 
-	 * @return this editor part
-	 */
-	public IEditorPart getEditorPart() {
-		if (fEditorPart == null)
-			return this;
-		return fEditorPart;
-	}
-
-	private IDocumentListener getInternalDocumentListener() {
-		if (fInternalDocumentListener == null) {
-			fInternalDocumentListener = new InternalDocumentListener();
-		}
-		return fInternalDocumentListener;
-	}
-
-	IStructuredModel getInternalModel() {
-		return fStructuredModel;
-	}
-
-	private InternalModelStateListener getInternalModelStateListener() {
-		if (fInternalModelStateListener == null) {
-			fInternalModelStateListener = new InternalModelStateListener();
-		}
-		return fInternalModelStateListener;
-	}
-
-	/**
-	 * Returns this editor's StructuredModel.
-	 * <p>
-	 * Not API. Will be removed in the future.
-	 * </p>
-	 * 
-	 * @return returns this editor's IStructuredModel
-	 * @deprecated - This method allowed for uncontrolled access to the model
-	 *             instance and will be removed in the future. It is
-	 *             recommended that the current document provider be asked for
-	 *             the current document and the IModelManager then asked for
-	 *             the corresponding model with
-	 *             getExistingModelFor*(IDocument).
-	 */
-	public IStructuredModel getModel() {
-		if (getDocumentProvider() == null) {
-			// this indicated an error in startup sequence
-			Logger.trace(getClass().getName(), "Program Info Only: document provider was null when model requested"); //$NON-NLS-1$ //$NON-NLS-2$
-		}
-		boolean initialModelNull = false;
-		if (fStructuredModel == null)
-			initialModelNull = true;
-		if (fStructuredModel == null) {
-			// lazily set the model instance, although this is an ABNORMAL
-			// CODE PATH
-			if (getDocumentProvider() instanceof IModelProvider) {
-				fStructuredModel = ((IModelProvider) getDocumentProvider()).getModel(getEditorInput());
-				fisReleased = false;
-			}
-			else {
-				IDocument doc = getDocumentProvider().getDocument(getEditorInput());
-				if (doc instanceof IStructuredDocument) {
-					IStructuredModel model = StructuredModelManager.getModelManager().getExistingModelForEdit(doc);
-					if (model == null) {
-						model = StructuredModelManager.getModelManager().getModelForEdit((IStructuredDocument) doc);
-					}
-					fStructuredModel = model;
-					fisReleased = false;
-				}
-			}
-
-			// ISSUE: this looks bad ... edit-time factories not initialized
-			// unless someone calls getModel?
-			// factories will not be re-added if already exists
-			EditorModelUtil.addFactoriesTo(fStructuredModel);
-
-			if (initialModelNull && fStructuredModel != null) {
-				/*
-				 * DMW: 9/1/2002 -- why is update called here? No change has
-				 * been indicated? I'd like to remove, but will leave for now
-				 * to avoid breaking this hack. Should measure/breakpoint to
-				 * see how large the problem is. May cause performance
-				 * problems.
-				 * 
-				 * DMW: 9/8/2002 -- not sure why this was here initially, but
-				 * the intent/hack must have been to call update if this was
-				 * the first time fStructuredModel was set. So, I added the
-				 * logic to check for that "first time" case. It would appear
-				 * we don't really need. may remove in future when can test
-				 * more.
-				 */
-				update();
-			}
-		}
-		return fStructuredModel;
-	}
-
-	/*
-	 * (non-Javadoc)
-	 * 
-	 * @see org.eclipse.ui.part.IWorkbenchPartOrientation#getOrientation()
-	 */
-	public int getOrientation() {
-		// https://bugs.eclipse.org/bugs/show_bug.cgi?id=88714
-		return SWT.LEFT_TO_RIGHT;
-	}
-
-	/*
-	 * (non-Javadoc)
-	 * 
-	 * @see org.eclipse.ui.texteditor.ITextEditor#getSelectionProvider()
-	 */
-	public ISelectionProvider getSelectionProvider() {
-		if (fStructuredSelectionProvider == null) {
-			ISelectionProvider parentProvider = super.getSelectionProvider();
-			if (parentProvider != null) {
-				fStructuredSelectionProvider = new StructuredSelectionProvider(parentProvider, this);
-			}
-		}
-		if (fStructuredSelectionProvider == null) {
-			return super.getSelectionProvider();
-		}
-		return fStructuredSelectionProvider;
-	}
-
-	/**
-	 * Returns the editor's source viewer. This method was created to expose
-	 * the protected final getSourceViewer() method.
-	 * <p>
-	 * Not API. May be removed in the future.
-	 * </p>
-	 * 
-	 * @return the editor's source viewer
-	 */
-	public StructuredTextViewer getTextViewer() {
-		return (StructuredTextViewer) getSourceViewer();
-	}
-
-	/*
-	 * (non-Javadoc)
-	 * 
-	 * @see org.eclipse.ui.texteditor.AbstractTextEditor#handleCursorPositionChanged()
-	 */
-	protected void handleCursorPositionChanged() {
-		super.handleCursorPositionChanged();
-		updateStatusField(StructuredTextEditorActionConstants.STATUS_CATEGORY_OFFSET);
-	}
-
-	/*
-	 * (non-Javadoc)
-	 * 
-	 * @see org.eclipse.ui.texteditor.AbstractTextEditor#handlePreferenceStoreChanged(org.eclipse.jface.util.PropertyChangeEvent)
-	 */
-	protected void handlePreferenceStoreChanged(PropertyChangeEvent event) {
-		String property = event.getProperty();
-
-		if (EditorPreferenceNames.EDITOR_TEXT_HOVER_MODIFIERS.equals(property)) {
-			updateHoverBehavior();
-		}
-
-		if (IStructuredTextFoldingProvider.FOLDING_ENABLED.equals(property)) {
-			if (getSourceViewer() instanceof ProjectionViewer) {
-				// install projection support if it has not even been
-				// installed yet
-				if (isFoldingEnabled() && (fProjectionSupport == null) && (fProjectionModelUpdater == null)) {
-					installProjectionSupport();
-				}
-				ProjectionViewer pv = (ProjectionViewer) getSourceViewer();
-				if (pv.isProjectionMode() != isFoldingEnabled()) {
-					if (pv.canDoOperation(ProjectionViewer.TOGGLE))
-						pv.doOperation(ProjectionViewer.TOGGLE);
-				}
-			}
-			return;
-		}
-		super.handlePreferenceStoreChanged(event);
-	}
-
-	private boolean inBusyState() {
-		return fBusyState;
-	}
-
-	/*
-	 * (non-Javadoc)
-	 * 
-	 * @see org.eclipse.ui.IEditorPart#init(org.eclipse.ui.IEditorSite,
-	 *      org.eclipse.ui.IEditorInput)
-	 */
-	public void init(IEditorSite site, IEditorInput input) throws PartInitException {
-		// if we've gotten an error elsewhere, before
-		// we've actually opened, then don't open.
-		if (shouldClose) {
-			setSite(site);
-			close(false);
-		}
-		else {
-			super.init(site, input);
-		}
-	}
-
-	/**
-	 * Set the document provider for this editor.
-	 * <p>
-	 * Not API. May be removed in the future.
-	 * </p>
-	 * 
-	 * @param documentProvider
-	 *            documentProvider to initialize
-	 */
-	public void initializeDocumentProvider(IDocumentProvider documentProvider) {
-		if (documentProvider != null) {
-			setDocumentProvider(documentProvider);
-		}
-	}
-
-	protected void initializeDrop(ITextViewer textViewer) {
-		int operations = DND.DROP_COPY | DND.DROP_MOVE;
-		fDropTarget = new DropTarget(textViewer.getTextWidget(), operations);
-		fDropAdapter = new ReadOnlyAwareDropTargetAdapter(true);
-		fDropAdapter.setTargetEditor(this);
-		fDropAdapter.setTargetIDs(getConfigurationPoints());
-		fDropAdapter.setTextViewer(textViewer);
-		fDropTarget.setTransfer(fDropAdapter.getTransfers());
-		fDropTarget.addDropListener(fDropAdapter);
-	}
-
-	/*
-	 * (non-Javadoc)
-	 * 
-	 * @see org.eclipse.ui.texteditor.AbstractDecoratedTextEditor#initializeEditor()
-	 */
-	protected void initializeEditor() {
-		super.initializeEditor();
-		// FIXME: here's where to add back in our custom encoding support
-		fEncodingSupport = null;
-		setPreferenceStore(createCombinedPreferenceStore());
-
-		setRangeIndicator(new DefaultRangeIndicator());
-		setEditorContextMenuId(EDITOR_CONTEXT_MENU_ID);
-		initializeDocumentProvider(null);
-		// set the infopop for source viewer
-		String helpId = getHelpContextId();
-		// no infopop set or using default text editor help, use default
-		if (helpId == null || ITextEditorHelpContextIds.TEXT_EDITOR.equals(helpId))
-			helpId = IHelpContextIds.XML_SOURCE_VIEW_HELPID;
-		setHelpContextId(helpId);
-		// defect 203158 - disable ruler context menu for
-		// beta
-		// setRulerContextMenuId(RULER_CONTEXT_MENU_ID);
-		configureInsertMode(SMART_INSERT, true);
-
-		// enable the base source editor activity when editor opens
-		try {
-			// FIXME: - commented out to avoid minor dependancy during
-			// transition to org.eclipse
-			// WTPActivityBridge.getInstance().enableActivity(CORE_SSE_ACTIVITY_ID,
-			// true);
-		}
-		catch (Exception t) {
-			// if something goes wrong with enabling activity, just log the
-			// error but dont
-			// have it break the editor
-			Logger.log(Logger.WARNING_DEBUG, t.getMessage(), t);
-		}
-	}
-
-	/*
-	 * (non-Javadoc)
-	 * 
-	 * @see org.eclipse.ui.editors.text.TextEditor#initializeKeyBindingScopes()
-	 */
-	protected void initializeKeyBindingScopes() {
-		setKeyBindingScopes(new String[]{EDITOR_KEYBINDING_SCOPE_ID});
-	}
-
-	/**
-	 * Initializes the editor's source viewer and other items that were source
-	 * viewer-dependent.
-	 */
-	private void initializeSourceViewer() {
-		IAction contentAssistAction = getAction(StructuredTextEditorActionConstants.ACTION_NAME_CONTENTASSIST_PROPOSALS);
-		if (contentAssistAction instanceof IUpdate) {
-			((IUpdate) contentAssistAction).update();
-		}
-		IAction openHyperlinkAction = getAction(StructuredTextEditorActionConstants.ACTION_NAME_OPEN_FILE);
-		if (openHyperlinkAction instanceof OpenHyperlinkAction) {
-			((OpenHyperlinkAction) openHyperlinkAction).setHyperlinkDetectors(getSourceViewerConfiguration().getHyperlinkDetectors(getSourceViewer()));
-		}
-
-		// do not even install projection support until folding is actually
-		// enabled
-		if (isFoldingEnabled()) {
-			installProjectionSupport();
-		}
-
-		// initialize source viewer's correction assistant
-		IContentAssistant correctionAssistant = createCorrectionAssistant();
-		getTextViewer().setCorrectionAssistant(correctionAssistant);
-	}
-
-	protected void initSourceViewer(StructuredTextViewer sourceViewer) {
-		// ensure decoration support is configured
-		getSourceViewerDecorationSupport(sourceViewer);
-		fMouseTracker = new MouseTracker();
-		fMouseTracker.start(sourceViewer.getTextWidget());
-		initializeDrop(sourceViewer);
-	}
-
-	/*
-	 * (non-Javadoc)
-	 * 
-	 * @see org.eclipse.ui.editors.text.TextEditor#installEncodingSupport()
-	 */
-	protected void installEncodingSupport() {
-		// TODO: install our custom support that can
-		// update document appropriately
-		// super.installEncodingSupport();
-	}
-
-	/**
-	 * Install everything necessary to get document folding working and enable
-	 * document folding
-	 */
-	private void installProjectionSupport() {
-		ProjectionViewer projectionViewer = (ProjectionViewer) getSourceViewer();
-
-		fProjectionSupport = new ProjectionSupport(projectionViewer, getAnnotationAccess(), getSharedColors());
-		fProjectionSupport.addSummarizableAnnotationType("org.eclipse.ui.workbench.texteditor.error"); //$NON-NLS-1$
-		fProjectionSupport.addSummarizableAnnotationType("org.eclipse.ui.workbench.texteditor.warning"); //$NON-NLS-1$
-		fProjectionSupport.setHoverControlCreator(new IInformationControlCreator() {
-			public IInformationControl createInformationControl(Shell parent) {
-				return new DefaultInformationControl(parent);
-			}
-		});
-		fProjectionSupport.install();
-
-		IStructuredTextFoldingProvider updater = null;
-		ExtendedConfigurationBuilder builder = ExtendedConfigurationBuilder.getInstance();
-		String[] ids = getConfigurationPoints();
-		for (int i = 0; updater == null && i < ids.length; i++) {
-			updater = (IStructuredTextFoldingProvider) builder.getConfiguration(IStructuredTextFoldingProvider.ID, ids[i]);
-		}
-
-		fProjectionModelUpdater = updater;
-		if (fProjectionModelUpdater != null)
-			fProjectionModelUpdater.install(projectionViewer);
-
-		if (isFoldingEnabled())
-			projectionViewer.doOperation(ProjectionViewer.TOGGLE);
-	}
-
-	/**
-	 * Return whether document folding should be enabled according to the
-	 * preference store settings.
-	 * 
-	 * @return <code>true</code> if document folding should be enabled
-	 */
-	private boolean isFoldingEnabled() {
-		IPreferenceStore store = getPreferenceStore();
-		// check both preference store and vm argument
-		return (store.getBoolean(IStructuredTextFoldingProvider.FOLDING_ENABLED));
-	}
-
-	private void logUnexpectedDocumentKind(IEditorInput input) {
-		// display a dialog informing user of uknown content type
-		if (SSEUIPlugin.getDefault().getPreferenceStore().getBoolean(EditorPreferenceNames.SHOW_UNKNOWN_CONTENT_TYPE_MSG)) {
-			Job job = new UIJob(SSEUIMessages.StructuredTextEditor_0) {
-				public IStatus runInUIThread(IProgressMonitor monitor) {
-					UnknownContentTypeDialog dialog = new UnknownContentTypeDialog(getSite().getShell(), SSEUIPlugin.getDefault().getPreferenceStore(), EditorPreferenceNames.SHOW_UNKNOWN_CONTENT_TYPE_MSG);
-					dialog.open();
-					return Status.OK_STATUS;
-				}
-			};
-			job.schedule();
-		}
-
-		Logger.log(Logger.WARNING, "StructuredTextEditor being used without StructuredDocument"); //$NON-NLS-1$
-		String name = null;
-		if (input != null) {
-			name = input.getName();
-		}
-		else {
-			name = "input was null"; //$NON-NLS-1$
-		}
-		Logger.log(Logger.WARNING, "         Input Name: " + name); //$NON-NLS-1$
-		String implClass = null;
-		IDocument document = getDocumentProvider().getDocument(input);
-		if (document != null) {
-			implClass = document.getClass().getName();
-		}
-		else {
-			implClass = "document was null"; //$NON-NLS-1$
-		}
-		Logger.log(Logger.WARNING, "        Unexpected IDocumentProvider implementation: " + getDocumentProvider().getClass().getName()); //$NON-NLS-1$
-		Logger.log(Logger.WARNING, "        Unexpected IDocument implementation: " + implClass); //$NON-NLS-1$
-	}
-
-	/*
-	 * @see org.eclipse.ui.texteditor.AbstractTextEditor#performRevert()
-	 */
-	protected void performRevert() {
-		ProjectionViewer projectionViewer = (ProjectionViewer) getSourceViewer();
-		projectionViewer.setRedraw(false);
-		try {
-
-			boolean projectionMode = projectionViewer.isProjectionMode();
-			if (projectionMode) {
-				projectionViewer.disableProjection();
-				if (fProjectionModelUpdater != null)
-					fProjectionModelUpdater.uninstall();
-			}
-
-			super.performRevert();
-
-			if (projectionMode) {
-				if (fProjectionModelUpdater != null)
-					fProjectionModelUpdater.install(projectionViewer);
-				projectionViewer.enableProjection();
-			}
-
-		}
-		finally {
-			projectionViewer.setRedraw(true);
-		}
-	}
-
-	/**
-	 * {@inheritDoc}
-	 * <p>
-	 * Not API. May be reduced to protected method in the future.
-	 * </p>
-	 */
-	public void rememberSelection() {
-		/*
-		 * This method was made public for use by editors that use
-		 * StructuredTextEditor (like some clients)
-		 */
-		super.rememberSelection();
-	}
-
-
-	/**
-	 * both starts and resets the busy state timer
-	 */
-	private void resetBusyState() {
-		// reset the "busy" timeout
-		if (fBusyTimer != null) {
-			fBusyTimer.cancel();
-		}
-		startBusyTimer();
-	}
-
-	/**
-	 * {@inheritDoc}
-	 * <p>
-	 * Not API. May be reduced to protected method in the future.
-	 * </p>
-	 */
-	public void restoreSelection() {
-		/*
-		 * This method was made public for use by editors that use
-		 * StructuredTextEditor (like some clients)
-		 */
-		// catch odd case where source viewer has no text
-		// widget (defect
-		// 227670)
-		if ((getSourceViewer() != null) && (getSourceViewer().getTextWidget() != null))
-			super.restoreSelection();
-	}
-
-	/*
-	 * (non-Javadoc)
-	 * 
-	 * @see org.eclipse.ui.texteditor.AbstractTextEditor#rulerContextMenuAboutToShow(org.eclipse.jface.action.IMenuManager)
-	 */
-	protected void rulerContextMenuAboutToShow(IMenuManager menu) {
-		super.rulerContextMenuAboutToShow(menu);
-
-		IMenuManager foldingMenu = new MenuManager(SSEUIMessages.Folding, "projection"); //$NON-NLS-1$
-		menu.appendToGroup(ITextEditorActionConstants.GROUP_RULERS, foldingMenu);
-
-		IAction action = getAction("FoldingToggle"); //$NON-NLS-1$
-		foldingMenu.add(action);
-		action = getAction("FoldingExpandAll"); //$NON-NLS-1$
-		foldingMenu.add(action);
-		action = getAction("FoldingCollapseAll"); //$NON-NLS-1$
-		foldingMenu.add(action);
-
-		IStructuredModel internalModel = getInternalModel();
-		if (internalModel != null) {
-			boolean debuggingAvailable = BreakpointProviderBuilder.getInstance().isAvailable(internalModel.getContentTypeIdentifier(), BreakpointRulerAction.getFileExtension(getEditorInput()));
-			if (debuggingAvailable) {
-				// append actions to "debug" group (created in
-				// AbstractDecoratedTextEditor.rulerContextMenuAboutToShow(IMenuManager)
-				menu.appendToGroup("debug", getAction(ActionDefinitionIds.TOGGLE_BREAKPOINTS)); //$NON-NLS-1$
-				menu.appendToGroup("debug", getAction(ActionDefinitionIds.MANAGE_BREAKPOINTS)); //$NON-NLS-1$
-				menu.appendToGroup("debug", getAction(ActionDefinitionIds.EDIT_BREAKPOINTS)); //$NON-NLS-1$
-			}
-			addExtendedRulerContextMenuActions(menu);
-		}
-	}
-
-	/**
-	 * {@inheritDoc}
-	 * <p>
-	 * Overridden to expose part activation handling for multi-page editors.
-	 * </p>
-	 * <p>
-	 * Not API. May be reduced to protected method in the future.
-	 * </p>
-	 * 
-	 * @see org.eclipse.ui.texteditor.AbstractTextEditor#safelySanityCheckState(org.eclipse.ui.IEditorInput)
-	 */
-	public void safelySanityCheckState(IEditorInput input) {
-		super.safelySanityCheckState(input);
-	}
-
-	private void savedModel() {
-		if (getInternalModel() != null) {
-			getInternalModel().changedModel();
-		}
-	}
-
-	/**
-	 * Ensure that the correct IDocumentProvider is used. For direct models, a
-	 * special provider is used. For StorageEditorInputs, use a custom
-	 * provider that creates a usable ResourceAnnotationModel. For everything
-	 * else, use the base support.
-	 * 
-	 * @see org.eclipse.ui.texteditor.AbstractDecoratedTextEditor#setDocumentProvider(org.eclipse.ui.IEditorInput)
-	 */
-	protected void setDocumentProvider(IEditorInput input) {
-		if (input instanceof IStructuredModel) {
-			// largely untested
-			setDocumentProvider(StructuredModelDocumentProvider.getInstance());
-		}
-		else if (input instanceof IStorageEditorInput && !(input instanceof IFileEditorInput) && !(input instanceof IPathEditorInput)) {
-			setDocumentProvider(StorageModelProvider.getInstance());
-		}
-		else {
-			super.setDocumentProvider(input);
-		}
-	}
-
-	/**
-	 * Set editor part associated with this editor.
-	 * <p>
-	 * Not API. May be removed in the future.
-	 * </p>
-	 * 
-	 * @param editorPart
-	 *            editor part associated with this editor
-	 */
-	public void setEditorPart(IEditorPart editorPart) {
-		fEditorPart = editorPart;
-	}
-
-	/**
-	 * Sets the model field within this editor.
-	 * 
-	 * @deprecated - can eventually be eliminated
-	 */
-	private void setModel(IStructuredModel newModel) {
-		Assert.isNotNull(getDocumentProvider(), "document provider can not be null when setting model"); //$NON-NLS-1$
-		if (fStructuredModel != null) {
-			if (fStructuredModel.getStructuredDocument() != null) {
-				fStructuredModel.getStructuredDocument().removeDocumentListener(getInternalDocumentListener());
-			}
-			fStructuredModel.removeModelStateListener(getInternalModelStateListener());
-		}
-		fStructuredModel = newModel;
-		if (fStructuredModel != null) {
-			if (fStructuredModel.getStructuredDocument() != null) {
-				fStructuredModel.getStructuredDocument().addDocumentListener(getInternalDocumentListener());
-			}
-			fStructuredModel.addModelStateListener(getInternalModelStateListener());
-		}
-		// update() should be called whenever the model is
-		// set or changed
-		update();
-	}
-
-	/**
-	 * Sets the editor's source viewer configuration which it uses to
-	 * configure it's internal source viewer. This method was overwritten so
-	 * that viewer configuration could be set after editor part was created.
-	 */
-	protected void setSourceViewerConfiguration(SourceViewerConfiguration config) {
-		super.setSourceViewerConfiguration(config);
-		StructuredTextViewer stv = getTextViewer();
-		if (stv != null) {
-			// there should be no need to unconfigure
-			// before configure because
-			// configure will
-			// also unconfigure before configuring
-			stv.unconfigure();
-			stv.configure(config);
-
-			// update source viewer's correction assistant as well
-			IContentAssistant correctionAssistant = createCorrectionAssistant();
-			stv.setCorrectionAssistant(correctionAssistant);
-		}
-	}
-
-	/*
-	 * (non-Javadoc)
-	 * 
-	 * @see org.eclipse.ui.part.WorkbenchPart#showBusy(boolean)
-	 */
-	public void showBusy(boolean busy) {
-		if (busy) {
-			fRememberTitle = getPartName();
-			// update title and/or fonts and/or background
-			//
-			// temp solution, for testing, uses "busy"
-			setPartName(SSEUIMessages.busy); //$NON-NLS-1$
-		}
-		else {
-			// reset to what it was
-			setPartName(fRememberTitle);
-		}
-	}
-
-	private void startBusyTimer() {
-		// TODO: we need a resettable timer, so not so
-		// many are created
-		fBusyTimer = new Timer(true);
-		fBusyTimer.schedule(new TimeOutExpired(), BUSY_STATE_DELAY);
-	}
-
-	/**
-	 * Update should be called whenever the model is set or changed (as in
-	 * swapped)
-	 * <p>
-	 * Not API. May be removed in the future.
-	 * </p>
-	 */
-	public void update() {
-		if (fOutlinePage != null && fOutlinePage instanceof ConfigurableContentOutlinePage) {
-			ContentOutlineConfiguration cfg = createContentOutlineConfiguration();
-			((ConfigurableContentOutlinePage) fOutlinePage).setConfiguration(cfg);
-			IStructuredModel internalModel = getInternalModel();
-			((ConfigurableContentOutlinePage) fOutlinePage).setInputContentTypeIdentifier(internalModel.getContentTypeIdentifier());
-			((ConfigurableContentOutlinePage) fOutlinePage).setInput(internalModel);
-		}
-		if (fPropertySheetPage != null && fPropertySheetPage instanceof ConfigurablePropertySheetPage) {
-			PropertySheetConfiguration cfg = createPropertySheetConfiguration();
-			((ConfigurablePropertySheetPage) fPropertySheetPage).setConfiguration(cfg);
-		}
-		disposeModelDependentFields();
-
-		fShowInTargetIds = createShowInTargetIds();
-
-		updateSourceViewerConfiguration();
-		
-		if (fStructuredSelectionProvider != null) {
-			fStructuredSelectionProvider.setDocument(getInternalModel().getStructuredDocument());
-		}
-
-		createModelDependentFields();
-	}
-
-	/**
-	 * Updates all content dependent actions.
-	 */
-	protected void updateContentDependentActions() {
-		super.updateContentDependentActions();
-		// super.updateContentDependentActions only updates
-		// the enable/disable
-		// state of all
-		// the content dependent actions.
-		// StructuredTextEditor's undo and redo actions
-		// have a detail label and
-		// description.
-		// They needed to be updated.
-		if (!fEditorDisposed)
-			updateMenuText();
-	}
-
-
-	/**
-	 * Updates the editor context menu by creating a new context menu with the
-	 * given menu id
-	 * 
-	 * @param contextMenuId
-	 *            Cannot be null
-	 */
-	private void updateEditorContextMenuId(String contextMenuId) {
-		// update editor context menu id if updating to a new id or if context
-		// menu is not already set up
-		if (!contextMenuId.equals(getEditorContextMenuId()) || (fTextContextMenu == null)) {
-			setEditorContextMenuId(contextMenuId);
-
-			if (getSourceViewer() != null) {
-				StyledText styledText = getSourceViewer().getTextWidget();
-				if (styledText != null) {
-					// dispose of previous context menu
-					if (fTextContextMenu != null) {
-						fTextContextMenu.dispose();
-					}
-					if (fTextContextMenuManager != null) {
-						fTextContextMenuManager.removeMenuListener(getContextMenuListener());
-						fTextContextMenuManager.removeAll();
-						fTextContextMenuManager.dispose();
-					}
-
-					fTextContextMenuManager = new MenuManager(getEditorContextMenuId(), getEditorContextMenuId());
-					fTextContextMenuManager.setRemoveAllWhenShown(true);
-					fTextContextMenuManager.addMenuListener(getContextMenuListener());
-
-					fTextContextMenu = fTextContextMenuManager.createContextMenu(styledText);
-					styledText.setMenu(fTextContextMenu);
-
-					getSite().registerContextMenu(getEditorContextMenuId(), fTextContextMenuManager, getSelectionProvider());
-
-					// also register this menu for source page part and
-					// structured text editor ids
-					String partId = getSite().getId();
-					if (partId != null) {
-						getSite().registerContextMenu(partId + EDITOR_CONTEXT_MENU_SUFFIX, fTextContextMenuManager, getSelectionProvider());
-					}
-					getSite().registerContextMenu(EDITOR_CONTEXT_MENU_ID, fTextContextMenuManager, getSelectionProvider());
-				}
-			}
-		}
-	}
-
-	/**
-	 * Updates editor context menu, vertical ruler menu, help context id for
-	 * new content type
-	 * 
-	 * @param contentType
-	 */
-	private void updateEditorControlsForContentType(String contentType) {
-		if (contentType == null) {
-			updateEditorContextMenuId(EDITOR_CONTEXT_MENU_ID);
-			updateRulerContextMenuId(RULER_CONTEXT_MENU_ID);
-			updateHelpContextId(ITextEditorHelpContextIds.TEXT_EDITOR);
-		}
-		else {
-			updateEditorContextMenuId(contentType + EDITOR_CONTEXT_MENU_SUFFIX);
-			updateRulerContextMenuId(contentType + RULER_CONTEXT_MENU_SUFFIX);
-			updateHelpContextId(contentType + "_source_HelpId"); //$NON-NLS-1$
-		}
-	}
-
-	private void updateEncodingMemento() {
-		boolean failed = false;
-		IStructuredModel internalModel = getInternalModel();
-		if (internalModel != null) {
-			IStructuredDocument doc = internalModel.getStructuredDocument();
-			EncodingMemento memento = doc.getEncodingMemento();
-			IDocumentCharsetDetector detector = internalModel.getModelHandler().getEncodingDetector();
-			if (memento != null && detector != null)
-				detector.set(doc);
-			try {
-				detector.getEncoding();
-			}
-			catch (IOException e) {
-				failed = true;
-			}
-			// be sure to use the new instance
-			// but only if no exception occurred.
-			// (we may find cases we need to do more error recover there)
-			// should be near impossible to get IOException from processing
-			// the
-			// *document*
-			if (!failed) {
-				doc.setEncodingMemento(memento);
-			}
-		}
-	}
-
-	/**
-	 * Updates the help context of the editor with the given help context id
-	 * 
-	 * @param helpContextId
-	 *            Cannot be null
-	 */
-	private void updateHelpContextId(String helpContextId) {
-		if (!helpContextId.equals(getHelpContextId())) {
-			setHelpContextId(helpContextId);
-
-			if (getSourceViewer() != null) {
-				StyledText styledText = getSourceViewer().getTextWidget();
-				if (styledText != null) {
-					IWorkbenchHelpSystem helpSystem = PlatformUI.getWorkbench().getHelpSystem();
-					helpSystem.setHelp(styledText, getHelpContextId());
-				}
-			}
-		}
-	}
-
-	/*
-	 * Update the hovering behavior depending on the preferences.
-	 */
-	private void updateHoverBehavior() {
-		SourceViewerConfiguration configuration = getSourceViewerConfiguration();
-		String[] types = configuration.getConfiguredContentTypes(getSourceViewer());
-
-		for (int i = 0; i < types.length; i++) {
-
-			String t = types[i];
-
-			ISourceViewer sourceViewer = getSourceViewer();
-			if (sourceViewer instanceof ITextViewerExtension2) {
-				// Remove existing hovers
-				((ITextViewerExtension2) sourceViewer).removeTextHovers(t);
-
-				int[] stateMasks = configuration.getConfiguredTextHoverStateMasks(getSourceViewer(), t);
-
-				if (stateMasks != null) {
-					for (int j = 0; j < stateMasks.length; j++) {
-						int stateMask = stateMasks[j];
-						ITextHover textHover = configuration.getTextHover(sourceViewer, t, stateMask);
-						((ITextViewerExtension2) sourceViewer).setTextHover(textHover, t, stateMask);
-					}
-				}
-				else {
-					ITextHover textHover = configuration.getTextHover(sourceViewer, t);
-					((ITextViewerExtension2) sourceViewer).setTextHover(textHover, t, ITextViewerExtension2.DEFAULT_HOVER_STATE_MASK);
-				}
-			}
-			else
-				sourceViewer.setTextHover(configuration.getTextHover(sourceViewer, t), t);
-		}
-	}
-
-	private void updateMenuText() {
-		if (fStructuredModel != null && !fStructuredModel.isModelStateChanging() && getTextViewer().getTextWidget() != null) {
-			// performance: don't force an update of the action bars unless
-			// required as it is expensive
-			String previousUndoText = null;
-			String previousUndoDesc = null;
-			String previousRedoText = null;
-			String previousRedoDesc = null;
-			boolean updateActions = false;
-			IAction undoAction = getAction(ITextEditorActionConstants.UNDO);
-			IAction redoAction = getAction(ITextEditorActionConstants.REDO);
-			if (undoAction != null) {
-				previousUndoText = undoAction.getText();
-				previousUndoDesc = undoAction.getDescription();
-				updateActions = updateActions || previousUndoText == null || previousUndoDesc == null;
-				undoAction.setText(UNDO_ACTION_TEXT_DEFAULT);
-				undoAction.setDescription(UNDO_ACTION_DESC_DEFAULT);
-			}
-			if (redoAction != null) {
-				previousRedoText = redoAction.getText();
-				previousRedoDesc = redoAction.getDescription();
-				updateActions = updateActions || previousRedoText == null || previousRedoDesc == null;
-				redoAction.setText(REDO_ACTION_TEXT_DEFAULT);
-				redoAction.setDescription(REDO_ACTION_DESC_DEFAULT);
-			}
-			if (fStructuredModel.getUndoManager() != null) {
-				IStructuredTextUndoManager undoManager = fStructuredModel.getUndoManager();
-				// get undo command
-				Command undoCommand = undoManager.getUndoCommand();
-				// set undo label and description
-				undoAction.setEnabled(undoManager.undoable());
-				if (undoCommand != null) {
-					String label = undoCommand.getLabel();
-					if (label != null) {
-						String customText = MessageFormat.format(UNDO_ACTION_TEXT, new String[]{label});
-						updateActions = updateActions || customText == null || previousUndoText == null || !customText.equals(previousUndoText);
-						undoAction.setText(customText);
-					}
-					String desc = undoCommand.getDescription();
-					if (desc != null) {
-						String customDesc = MessageFormat.format(UNDO_ACTION_DESC, new String[]{desc});
-						updateActions = updateActions || customDesc == null || previousRedoDesc == null || !customDesc.equals(previousUndoDesc);
-						undoAction.setDescription(customDesc);
-					}
-				}
-				// get redo command
-				Command redoCommand = undoManager.getRedoCommand();
-				// set redo label and description
-				redoAction.setEnabled(undoManager.redoable());
-				if (redoCommand != null) {
-					String label = redoCommand.getLabel();
-					if (label != null) {
-						String customText = MessageFormat.format(REDO_ACTION_TEXT, new String[]{label});
-						updateActions = updateActions || customText == null || previousRedoText == null || !customText.equals(previousRedoText);
-						redoAction.setText(customText);
-					}
-					String desc = redoCommand.getDescription();
-					if (desc != null) {
-						String customDesc = MessageFormat.format(REDO_ACTION_DESC, new String[]{desc});
-						updateActions = updateActions || customDesc == null || previousRedoDesc == null || !customDesc.equals(previousRedoDesc);
-						redoAction.setDescription(customDesc);
-					}
-				}
-			}
-			// tell the action bars to update
-			if (updateActions) {
-				if (getEditorSite().getActionBars() != null) {
-					getEditorSite().getActionBars().updateActionBars();
-				}
-				else if (getEditorPart() != null && getEditorPart().getEditorSite().getActionBars() != null) {
-					getEditorPart().getEditorSite().getActionBars().updateActionBars();
-				}
-			}
-		}
-	}
-
-	void updateRangeIndication(ISelection selection) {
-		boolean rangeUpdated = false;
-		if (selection instanceof IStructuredSelection && !((IStructuredSelection) selection).isEmpty()) {
-			Object[] objects = ((IStructuredSelection) selection).toArray();
-			if (objects.length > 0 && objects[0] instanceof IndexedRegion) {
-				int start = ((IndexedRegion) objects[0]).getStartOffset();
-				int end = ((IndexedRegion) objects[0]).getEndOffset();
-				if (objects.length > 1) {
-					for (int i = 1; i < objects.length; i++) {
-						start = Math.min(start, ((IndexedRegion) objects[i]).getStartOffset());
-						end = Math.max(end, ((IndexedRegion) objects[i]).getEndOffset());
-					}
-				}
-				getSourceViewer().setRangeIndication(start, end - start, false);
-				rangeUpdated = true;
-			}
-		}
-		if (!rangeUpdated) {
-			if (selection instanceof ITextSelection) {
-				getSourceViewer().setRangeIndication(((ITextSelection) selection).getOffset(), ((ITextSelection) selection).getLength(), false);
-			}
-			else {
-				getSourceViewer().removeRangeIndication();
-			}
-		}
-	}
-
-
-	/**
-	 * Updates the editor vertical ruler menu by creating a new vertical ruler
-	 * context menu with the given menu id
-	 * 
-	 * @param rulerMenuId
-	 *            Cannot be null
-	 */
-	private void updateRulerContextMenuId(String rulerMenuId) {
-		// update ruler context menu id if updating to a new id or if context
-		// menu is not already set up
-		if (!rulerMenuId.equals(getRulerContextMenuId()) || (fRulerContextMenu == null)) {
-			setRulerContextMenuId(rulerMenuId);
-
-			if (getVerticalRuler() != null) {
-				// dispose of previous ruler context menu
-				if (fRulerContextMenu != null) {
-					fRulerContextMenu.dispose();
-				}
-				if (fRulerContextMenuManager != null) {
-					fRulerContextMenuManager.removeMenuListener(getContextMenuListener());
-					fRulerContextMenuManager.removeAll();
-					fRulerContextMenuManager.dispose();
-				}
-
-				fRulerContextMenuManager = new MenuManager(getRulerContextMenuId(), getRulerContextMenuId());
-				fRulerContextMenuManager.setRemoveAllWhenShown(true);
-				fRulerContextMenuManager.addMenuListener(getContextMenuListener());
-
-				Control rulerControl = getVerticalRuler().getControl();
-				fRulerContextMenu = fRulerContextMenuManager.createContextMenu(rulerControl);
-				rulerControl.setMenu(fRulerContextMenu);
-
-				getSite().registerContextMenu(getRulerContextMenuId(), fRulerContextMenuManager, getSelectionProvider());
-
-				// also register this menu for source page part and structured
-				// text editor ids
-				String partId = getSite().getId();
-				if (partId != null) {
-					getSite().registerContextMenu(partId + RULER_CONTEXT_MENU_SUFFIX, fRulerContextMenuManager, getSelectionProvider());
-				}
-				getSite().registerContextMenu(RULER_CONTEXT_MENU_ID, fRulerContextMenuManager, getSelectionProvider());
-			}
-		}
-	}
-
-	private void updateSourceViewerConfiguration() {
-		SourceViewerConfiguration configuration = getSourceViewerConfiguration();
-		// no need to update source viewer configuration if one does not exist
-		// yet
-		if (configuration == null) {
-			return;
-		}
-		// do not configure source viewer configuration twice
-		boolean configured = false;
-
-		// structuredtextviewer only works with
-		// structuredtextviewerconfiguration
-		if (!(configuration instanceof StructuredTextViewerConfiguration)) {
-			ConfigurationAndTarget cat = createSourceViewerConfiguration();
-			fViewerConfigurationTargetId = cat.getTargetId();
-			configuration = cat.getConfiguration();
-			setSourceViewerConfiguration(configuration);
-			configured = true;
-		}
-		else {
-			ConfigurationAndTarget cat = createSourceViewerConfiguration();
-			StructuredTextViewerConfiguration newViewerConfiguration = cat.getConfiguration();
-			if (!(cat.getTargetId().equals(fViewerConfigurationTargetId))) {
-				// d282894 use newViewerConfiguration
-				fViewerConfigurationTargetId = cat.getTargetId();
-				configuration = newViewerConfiguration;
-				setSourceViewerConfiguration(configuration);
-				configured = true;
-			}
-		}
-
-		if (getSourceViewer() != null) {
-			// not sure if really need to reconfigure when input changes
-			// (maybe only need to reset viewerconfig's document)
-			if (!configured)
-				getSourceViewer().configure(configuration);
-			IAction contentAssistAction = getAction(StructuredTextEditorActionConstants.ACTION_NAME_CONTENTASSIST_PROPOSALS);
-			if (contentAssistAction instanceof IUpdate) {
-				((IUpdate) contentAssistAction).update();
-			}
-			IAction openHyperlinkAction = getAction(StructuredTextEditorActionConstants.ACTION_NAME_OPEN_FILE);
-			if (openHyperlinkAction instanceof OpenHyperlinkAction) {
-				((OpenHyperlinkAction) openHyperlinkAction).setHyperlinkDetectors(getSourceViewerConfiguration().getHyperlinkDetectors(getSourceViewer()));
-			}
-		}
-	}
-
-	protected void updateStatusField(String category) {
-		super.updateStatusField(category);
-
-		if (category == null)
-			return;
-
-		if (StructuredTextEditorActionConstants.STATUS_CATEGORY_OFFSET.equals(category)) {
-			IStatusField field = getStatusField(category);
-			if (field != null) {
-				Point selection = getTextViewer().getTextWidget().getSelection();
-				int offset1 = widgetOffset2ModelOffset(getSourceViewer(), selection.x);
-				int offset2 = widgetOffset2ModelOffset(getSourceViewer(), selection.y);
-				String text = null;
-				if (offset1 != offset2)
-					text = "[" + offset1 + "-" + offset2 + "]"; //$NON-NLS-1$ //$NON-NLS-2$ //$NON-NLS-3$
-				else
-					text = "[ " + offset1 + " ]"; //$NON-NLS-1$ //$NON-NLS-2$
-				field.setText(text == null ? fErrorLabel : text);
-			}
-		}
-	}
-}