1 files changed, 0 insertions, 370 deletions
diff --git a/bundles/org.eclipse.compare/plugins/org.eclipse.compare/compare/org/eclipse/compare/CompareViewerSwitchingPane.java b/bundles/org.eclipse.compare/plugins/org.eclipse.compare/compare/org/eclipse/compare/CompareViewerSwitchingPane.java
deleted file mode 100644
index b185dfb3e..000000000
--- a/bundles/org.eclipse.compare/plugins/org.eclipse.compare/compare/org/eclipse/compare/CompareViewerSwitchingPane.java
+++ /dev/null
@@ -1,370 +0,0 @@
-/*
- * Copyright (c) 2000, 2002 IBM Corp.  All rights reserved.
- * This file is made available under the terms of the Common Public License v1.0
- * which accompanies this distribution, and is available at
- * http://www.eclipse.org/legal/cpl-v10.html
- * 
- * Contributors:
- *     IBM Corporation - initial API and implementation
- */
-package org.eclipse.compare;
-
-import java.text.MessageFormat;
-
-import org.eclipse.swt.events.*;
-import org.eclipse.swt.graphics.Image;
-import org.eclipse.swt.widgets.*;
-
-import org.eclipse.jface.util.ListenerList;
-import org.eclipse.jface.viewers.*;
-
-import org.eclipse.compare.internal.*;
-import org.eclipse.compare.structuremergeviewer.ICompareInput;
-
-
-/**
- * A custom <code>CompareViewerPane</code> that supports dynamic viewer switching.
- * 
- * <p>
- * Clients must implement the viewer switching strategy by implementing
- * the <code>getViewer(Viewer, Object)</code> method.
- * <p>
- * If a property with the name <code>CompareUI.COMPARE_VIEWER_TITLE</code> is set
- * on the top level SWT control of a viewer, it is used as a title in the <code>CompareViewerPane</code>'s
- * title bar.
- * 
- * @since 2.0
- */
-public abstract class CompareViewerSwitchingPane extends CompareViewerPane
-				implements ISelectionChangedListener, ISelectionProvider, IDoubleClickListener {
-	
-	private Viewer fViewer;
-	private Object fInput;
-	private ListenerList fSelectionListeners= new ListenerList();
-	private ListenerList fDoubleClickListener= new ListenerList();
-	private ListenerList fOpenListener= new ListenerList();
-	private boolean fControlVisibility= false;
-	private String fTitle;
-	private String fTitleArgument;
-	
-	private IOpenListener fOpenHandler= new IOpenListener() {
-		public void open(OpenEvent event) {
-			Object[] listeners= fOpenListener.getListeners();
-			for (int i= 0; i < listeners.length; i++)
-				((IOpenListener) listeners[i]).open(event);
-		}
-	};
-	
-	/**
-	 * Creates a <code>CompareViewerSwitchingPane</code> as a child of the given parent and with the
-	 * specified SWT style bits.
-	 *
-	 * @param parent a widget which will be the parent of the new instance (cannot be null)
-	 * @param style the style of widget to construct
-	 *
-	 * @exception IllegalArgumentException <ul>
-	 *    <li>ERROR_NULL_ARGUMENT - if the parent is null</li>
-	 * </ul>
-	 * @exception SWTException <ul>
-	 *    <li>ERROR_THREAD_INVALID_ACCESS - if not called from the thread that created the parent</li>
-	 * </ul>
-	 */		
-	public CompareViewerSwitchingPane(Composite parent, int style) {
-		this(parent, style, false);
-	}
-	
-	/**
-	 * Creates a <code>CompareViewerSwitchingPane</code> as a child of the given parent and with the
-	 * specified SWT style bits.
-	 *
-	 * @param parent a widget which will be the parent of the new instance (cannot be null)
-	 * @param style the style of widget to construct
-	 * @param visibility the initial visibility of the CompareViewerSwitchingPane
-	 *
-	 * @exception IllegalArgumentException <ul>
-	 *    <li>ERROR_NULL_ARGUMENT - if the parent is null</li>
-	 * </ul>
-	 * @exception SWTException <ul>
-	 *    <li>ERROR_THREAD_INVALID_ACCESS - if not called from the thread that created the parent</li>
-	 * </ul>
-	 */		
-	public CompareViewerSwitchingPane(Composite parent, int style, boolean visibility) {
-		super(parent, style);
-
-		fControlVisibility= visibility;
-		
-		setViewer(new NullViewer(this));
-		
-		addDisposeListener(
-			new DisposeListener() {
-				public void widgetDisposed(DisposeEvent e) {
-					if (fViewer instanceof ISelectionProvider)
-						((ISelectionProvider) fViewer).removeSelectionChangedListener(CompareViewerSwitchingPane.this);
-					if (fViewer instanceof StructuredViewer) {
-						StructuredViewer sv= (StructuredViewer) fViewer;
-						sv.removeDoubleClickListener(CompareViewerSwitchingPane.this);
-						sv.removeOpenListener(fOpenHandler);
-					}
-					fViewer= null;
-					fInput= null;
-					fSelectionListeners= null;
-				}
-			}
-		);
-	}
-	
-	/**
-	 * Returns the current viewer.
-	 * 
-	 * @return the current viewer
-	 */
-	public Viewer getViewer() {
-		return fViewer;
-	}
-	
-	private void setViewer(Viewer newViewer) {
-		
-		if (newViewer == fViewer)
-			return;
-				
-		boolean oldEmpty= isEmpty();
-
-		if (fViewer != null) {
-			
-			if (fViewer instanceof ISelectionProvider)
-				 ((ISelectionProvider) fViewer).removeSelectionChangedListener(this);
-				 
-			if (fViewer instanceof StructuredViewer) {
-				StructuredViewer sv= (StructuredViewer) fViewer;
-				sv.removeDoubleClickListener(this);
-				sv.removeOpenListener(fOpenHandler);
-			}
-
-			Control content= getContent();
-			setContent(null);
-			
-			fViewer.setInput(null);
-								
-			if (content != null && !content.isDisposed())
-				content.dispose();
-
-		} else
-			oldEmpty= false;			
-		setContent(null);
-
-		fViewer= newViewer;
-
-		if (fViewer != null) {
-			// we have to remember and restore the old visibility of the CustomPane
-			// since setContent changes the visibility
-			boolean old= getVisible();
-			setContent(fViewer.getControl());
-			setVisible(old);	// restore old visibility
-
-			boolean newEmpty= isEmpty();
-
-			if (fViewer instanceof ISelectionProvider)
-				 ((ISelectionProvider) fViewer).addSelectionChangedListener(this);
-
-			if (fViewer instanceof StructuredViewer) {
-				StructuredViewer sv= (StructuredViewer) fViewer;
-				sv.addDoubleClickListener(this);
-				sv.addOpenListener(fOpenHandler);
-			}
-			
-			if (oldEmpty != newEmpty) {	// relayout my container
-				Composite parent= getParent();
-				if (parent instanceof Splitter)
-					((Splitter)parent).setVisible(this, fControlVisibility ? !newEmpty : true);
-			}
-				
-			layout(true);
-		}
-	}
-
-	/**
-	 * Returns the optional title argument that has been set with <code>setTitelArgument</code>
-	 * or <code>null</code> if no optional title argument has been set.
-	 * <p>
-	 * Note: this method is for internal use only. Clients should not call this method.
-	 * 
-	 * @return the optional title argument or <code>null</code>
-	 */
-	public String getTitleArgument() {
-		return fTitleArgument;
-	}
-
-	/**
-	 * Returns <code>true</code> if no viewer is installed or if the current viewer
-	 * is a <code>NullViewer</code>.
-	 * 
-	 * @return <code>true</code> if no viewer is installed or if the current viewer is a <code>NullViewer</code>
-	 */
-	public boolean isEmpty() {
-		return fViewer == null || fViewer instanceof NullViewer;
-	}
-
-	public void addSelectionChangedListener(ISelectionChangedListener l) {
-		fSelectionListeners.add(l);
-	}
-
-	public void removeSelectionChangedListener(ISelectionChangedListener l) {
-		fSelectionListeners.remove(l);
-	}
-
-	public void addDoubleClickListener(IDoubleClickListener l) {
-		fDoubleClickListener.add(l);
-	}
-
-	public void removeDoubleClickListener(IDoubleClickListener l) {
-		fDoubleClickListener.remove(l);
-	}
-
-	public void addOpenListener(IOpenListener l) {
-		fOpenListener.add(l);
-	}
-
-	public void removeOpenListener(IOpenListener l) {
-		fOpenListener.remove(l);
-	}
-
-	public void doubleClick(DoubleClickEvent event) {
-		Object[] listeners= fDoubleClickListener.getListeners();
-		for (int i= 0; i < listeners.length; i++)
-			((IDoubleClickListener) listeners[i]).doubleClick(event);
-	}
-
-	public ISelection getSelection() {
-		if (fViewer instanceof ISelectionProvider)
-			return ((ISelectionProvider) fViewer).getSelection();
-		return null;
-	}
-
-	public void setSelection(ISelection s) {
-		if (fViewer instanceof ISelectionProvider)
-			 ((ISelectionProvider) fViewer).setSelection(s);
-	}
-
-	public void selectionChanged(SelectionChangedEvent ev) {
-		Object[] listeners= fSelectionListeners.getListeners();
-		for (int i= 0; i < listeners.length; i++)
-			((ISelectionChangedListener) listeners[i]).selectionChanged(ev);
-	}
-	
-	private boolean hasFocus2() {
-		// do we have focus?
-		Display display= getDisplay();
-		if (display != null)
-			for (Control focus= display.getFocusControl(); focus != null; focus= focus.getParent())
-				if (focus == this)
-					return true;
-		return false;
-	}
-		
-	/**
-	 * Sets the input object of this pane. 
-	 * For this input object a suitable viewer is determined by calling the abstract
-	 * method <code>getViewer(Viewer, Object)</code>.
-	 * If the returned viewer differs from the current one, the old viewer
-	 * is disposed and the new one installed. Then the input object is fed
-	 * into the newly installed viewer by calling its <code>setInput(Object)</code> method.
-	 * If new and old viewer don't differ no new viewer is installed but just
-	 * <code>setInput(Object)</code> is called.
-	 * If the input is <code>null</code> the pane is cleared,
-	 * that is the current viewer is disposed.
-	 * 
-	 * @param input the new input object or <code>null</code>
-	 */ 
-	public void setInput(Object input) {
-
-		if (fInput == input)
-			return;
-			
-		boolean hadFocus= hasFocus2();
-		
-		fInput= input;
-
-		// viewer switching
-		Viewer newViewer= null;
-		if (input != null)
-			newViewer= getViewer(fViewer, input);
-
-		if (newViewer == null) {
-			if (fViewer instanceof NullViewer)
-				return;
-			newViewer= new NullViewer(this);
-		}
-		
-		setViewer(newViewer);
-
-		// set input
-		fViewer.setInput(input);
-
-		Image image= null;
-		if (!(fViewer instanceof NullViewer) && input instanceof ICompareInput)
-			image= ((ICompareInput)input).getImage();
-		setImage(image);
-		
-		String title= null;	
-		if (fViewer != null) {
-			Control c= fViewer.getControl();
-			if (c != null) {
-				Object data= c.getData(CompareUI.COMPARE_VIEWER_TITLE);
-				if (data instanceof String)
-					title= (String) data;
-				if (hadFocus)
-					c.setFocus();
-			}	
-		}
-			
-		fTitle= title;
-		updateTitle();
-	}
-	
-	/**
-	 * Sets an additional and optional argument for the pane's title.
-	 * Note: this method is for internal use only. Clients should not call this method.
-	 *  
-	 * @param argument an optional argument for the pane's title
-	 */
-	public void setTitleArgument(String argument) {
-		fTitleArgument= argument;
-		updateTitle();
-	}
-
-	private void updateTitle() {
-		if (fTitle != null) {
-			if (fTitleArgument != null) {
-				String format= CompareMessages.getString("CompareViewerSwitchingPane.Titleformat");	//$NON-NLS-1$
-				String t= MessageFormat.format(format, new String[] { fTitle, fTitleArgument } );
-				setText(t);
-			} else
-				setText(fTitle);			
-		} else {
-			setText("");	//$NON-NLS-1$
-		}
-	}
-
-	/**
-	 * Returns the current input of this pane or null if the pane has no input.
-	 * 
-	 * @return an <code>Object</code> that is the input to this pane or null if the pane has no input.
-	 */
-	public Object getInput() {
-		return fInput;
-	}
-
-	/**
-	 * Returns a viewer which is able to display the given input.
-	 * If no viewer can be found, <code>null</code> is returned.
-	 * The additional argument oldViewer represents the viewer currently installed
-	 * in the pane (or <code>null</code> if no viewer is installed).
-	 * It can be returned from this method if the current viewer can deal with the
-	 * input (and no new viewer must be created).
-	 *
-	 * @param oldViewer the currently installed viewer or <code>null</code>
-	 * @param input the input object for which a viewer must be determined or <code>null</code>
-	 * @return a viewer for the given input, or <code>null</code> if no viewer can be determined
-	 */
-	abstract protected Viewer getViewer(Viewer oldViewer, Object input);
-}