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Diffstat (limited to 'jpa/plugins/org.eclipse.jpt.ui/src/org/eclipse/jpt/ui/internal/selection/TextEditorSelectionParticipant.java')
-rw-r--r--jpa/plugins/org.eclipse.jpt.ui/src/org/eclipse/jpt/ui/internal/selection/TextEditorSelectionParticipant.java215
1 files changed, 0 insertions, 215 deletions
diff --git a/jpa/plugins/org.eclipse.jpt.ui/src/org/eclipse/jpt/ui/internal/selection/TextEditorSelectionParticipant.java b/jpa/plugins/org.eclipse.jpt.ui/src/org/eclipse/jpt/ui/internal/selection/TextEditorSelectionParticipant.java
deleted file mode 100644
index 2580b7ed71..0000000000
--- a/jpa/plugins/org.eclipse.jpt.ui/src/org/eclipse/jpt/ui/internal/selection/TextEditorSelectionParticipant.java
+++ /dev/null
@@ -1,215 +0,0 @@
-/*******************************************************************************
- * Copyright (c) 2006, 2008 Oracle. 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:
- * Oracle - initial API and implementation
- ******************************************************************************/
-package org.eclipse.jpt.ui.internal.selection;
-
-import org.eclipse.jface.text.ITextSelection;
-import org.eclipse.jface.viewers.IPostSelectionProvider;
-import org.eclipse.jface.viewers.ISelection;
-import org.eclipse.jface.viewers.ISelectionChangedListener;
-import org.eclipse.jface.viewers.SelectionChangedEvent;
-import org.eclipse.jpt.core.JpaFile;
-import org.eclipse.jpt.core.JpaStructureNode;
-import org.eclipse.jpt.core.JptCorePlugin;
-import org.eclipse.jpt.core.utility.TextRange;
-import org.eclipse.ui.IEditorInput;
-import org.eclipse.ui.IEditorPart;
-import org.eclipse.ui.IFileEditorInput;
-import org.eclipse.ui.IPropertyListener;
-import org.eclipse.ui.IWorkbenchPage;
-import org.eclipse.ui.IWorkbenchPart;
-import org.eclipse.ui.texteditor.ITextEditor;
-
-public class TextEditorSelectionParticipant
- implements JpaSelectionParticipant
-{
- private final JpaSelectionManager selectionManager;
-
- final ITextEditor textEditor;
-
- private final IPropertyListener editorInputListener;
-
- private final ISelectionChangedListener editorSelectionListener;
-
- private JpaSelection currentSelection;
-
- private boolean forwardSelection = true; // TODO this just smells wrong ~bjv
-
-
- public TextEditorSelectionParticipant(JpaSelectionManager selectionManager, ITextEditor textEditor) {
- super();
- this.selectionManager = selectionManager;
- this.textEditor = textEditor;
- this.editorInputListener = new EditorInputListener();
- this.textEditor.addPropertyListener(this.editorInputListener);
- this.editorSelectionListener = new EditorSelectionListener();
- this.getPostSelectionProvider().addPostSelectionChangedListener(this.editorSelectionListener);
- this.currentSelection = this.calculateSelection();
- }
-
- // ********** IJpaSelectionParticipant implementation **********
-
- public JpaSelection getSelection() {
- return this.currentSelection;
- }
-
- public void selectionChanged(JpaSelectionEvent evt) {
- JpaSelection newSelection = evt.getSelection();
-
- if ((newSelection == JpaSelection.NULL_SELECTION)
- || newSelection.equals(this.currentSelection)) {
- return;
- }
-
- if (getActiveTextEditor() != this.textEditor) {
- return;
- }
-
- this.forwardSelection = false;
- TextRange textRange = newSelection.getSelectedNode().getSelectionTextRange();
- if (textRange != null) {
- this.textEditor.selectAndReveal(textRange.getOffset(), textRange.getLength());
- this.currentSelection = newSelection;
- }
- this.forwardSelection = true;
- }
-
- public boolean disposeOnHide() {
- return true;
- }
-
- public void dispose() {
- this.textEditor.removePropertyListener(this.editorInputListener);
- this.getPostSelectionProvider().removePostSelectionChangedListener(this.editorSelectionListener);
- }
-
-
- // ********** internal methods **********
-
- protected JpaSelection calculateSelection() {
- ISelection selection = this.textEditor.getSelectionProvider().getSelection();
- if (! (selection instanceof ITextSelection)) {
- return JpaSelection.NULL_SELECTION;
- }
-
- JpaFile jpaFile = this.getJpaFile();
- if (jpaFile == null) {
- return JpaSelection.NULL_SELECTION;
- }
-
- return this.buildSelection(jpaFile.getStructureNode(((ITextSelection) selection).getOffset()));
- }
-
- protected JpaSelection buildSelection(JpaStructureNode selectedNode) {
- return (selectedNode == null) ? JpaSelection.NULL_SELECTION : new DefaultJpaSelection(selectedNode);
- }
-
- protected IWorkbenchPage getActivePage() {
- return this.textEditor.getEditorSite().getWorkbenchWindow().getActivePage();
- }
-
- protected IWorkbenchPart getActivePart() {
- IWorkbenchPage activePage = getActivePage();
- return (activePage == null) ? null: activePage.getActivePart();
- }
-
- protected IEditorPart getActiveEditor() {
- IWorkbenchPage activePage = getActivePage();
- return (activePage == null) ? null: activePage.getActiveEditor();
- }
-
- protected ITextEditor getActiveTextEditor() {
- return getTextEditor(getActiveEditor());
- }
-
- protected ITextEditor getTextEditor(IWorkbenchPart part) {
- return (part == null) ? null : (ITextEditor) part.getAdapter(ITextEditor.class);
- }
-
- protected JpaFile getJpaFile() {
- IEditorInput input = this.textEditor.getEditorInput();
- if ( ! (input instanceof IFileEditorInput)) {
- return null;
- }
- return JptCorePlugin.getJpaFile(((IFileEditorInput) input).getFile());
- }
-
- protected IPostSelectionProvider getPostSelectionProvider() {
- return (IPostSelectionProvider) this.textEditor.getSelectionProvider();
- }
-
-
- // ********** listener callbacks **********
-
- protected void editorInputChanged() {
- this.selectionChanged();
- }
-
- protected void editorSelectionChanged(SelectionChangedEvent event) {
- // This is a bit kludgey. We check to see if the selection event
- // occurred when a participating part is active (and so, ostensibly,
- // *because* of the participating part). If so, we reselect the valid
- // text.
- IWorkbenchPart activePart = getActivePart();
- if (getTextEditor(activePart) != this.textEditor && this.selectionManager.isRegistered(activePart)) {
- if (this.currentSelection.isEmpty()) {
- return;
- }
-
- this.forwardSelection = false;
- TextRange textRange = this.currentSelection.getSelectedNode().getSelectionTextRange();
- if (textRange != null) {
- this.textEditor.selectAndReveal(textRange.getOffset(), textRange.getLength());
- }
- this.forwardSelection = true;
-
- return;
- }
-
- this.selectionChanged();
- }
-
- protected void selectionChanged() {
- JpaSelection newSelection = this.calculateSelection();
- if (newSelection.equals(this.currentSelection)) {
- return;
- }
- this.currentSelection = newSelection;
-
- if (this.forwardSelection) {
- this.selectionManager.select(newSelection, this);
- }
- }
-
-
- // ********** listeners **********
-
- protected class EditorInputListener implements IPropertyListener {
- protected EditorInputListener() {
- super();
- }
- public void propertyChanged(Object source, int propId) {
- if ((source == TextEditorSelectionParticipant.this.textEditor)
- && (propId == IEditorPart.PROP_INPUT)) {
- TextEditorSelectionParticipant.this.editorInputChanged();
- }
- }
- }
-
-
- protected class EditorSelectionListener implements ISelectionChangedListener {
- protected EditorSelectionListener() {
- super();
- }
- public void selectionChanged(SelectionChangedEvent event) {
- TextEditorSelectionParticipant.this.editorSelectionChanged(event);
- }
- }
-
-}

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