org.eclipse.jface.text.IUndoManager Java Examples

The following examples show how to use org.eclipse.jface.text.IUndoManager. You can vote up the ones you like or vote down the ones you don't like, and go to the original project or source file by following the links above each example. You may check out the related API usage on the sidebar.

Example #1

Source File: DirtyStateEditorSupportIntegrationTest.java From xtext-eclipse with Eclipse Public License 2.0

6 votes

/**
 * @see https://bugs.eclipse.org/bugs/show_bug.cgi?id=354123
 */
@Test
public void testUndoRedo() throws Exception {
	pushKey('a', 0);
	Assert.assertEquals(1, events.size());
	Assert.assertEquals("fooa", getFirstExportedObjectInLastEventDelta()
			.getQualifiedName().getLastSegment());
	IUndoManager undoManager = ((XtextSourceViewer) editor.getInternalSourceViewer()).getUndoManager();
	undoManager.undo();
	syncUtil.yieldToQueuedDisplayJobs(new NullProgressMonitor());
	syncUtil.waitForReconciler(editor);
	Assert.assertEquals(2, events.size());
	Assert.assertNull(Iterables.getLast(events).getDeltas().get(0).getNew());
	undoManager.redo();
	syncUtil.yieldToQueuedDisplayJobs(new NullProgressMonitor());
	syncUtil.waitForReconciler(editor);
	Assert.assertEquals(3, events.size());
	Assert.assertEquals("fooa", getFirstExportedObjectInLastEventDelta()
			.getQualifiedName().getLastSegment());
	Iterables.getLast(events);
}

Example #2

Source File: JSEditor.java From birt with Eclipse Public License 1.0

6 votes

/**
 * Saves input code to model
 */
private void saveModel( )
{
	if ( isCodeModified( ) && editObject instanceof DesignElementHandle )
	{
		saveEditorContentsDE( (DesignElementHandle) editObject,
				isSaveScript );
	}

	setIsModified( false );

	( (IFormPage) getParentEditor( ) ).getEditor( )
			.editorDirtyStateChanged( );

	firePropertyChange( PROP_DIRTY );

	SourceViewer viewer = getViewer( );
	IUndoManager undoManager = viewer == null ? null
			: viewer.getUndoManager( );

	if ( undoManager != null )
	{
		undoManager.endCompoundChange( );
	}
	cleanPoint = getUndoLevel( );
}

Example #3

Source File: LinkedEditingUndoSupport.java From xtext-eclipse with Eclipse Public License 2.0

5 votes

public void startRecording(XtextEditor editor) {
	this.editor = editor;
	ISourceViewer viewer = editor.getInternalSourceViewer();
	if (viewer instanceof ITextViewerExtension6) {
		IUndoManager undoManager = ((ITextViewerExtension6) viewer).getUndoManager();
		if (undoManager instanceof IUndoManagerExtension) {
			IUndoManagerExtension undoManagerExtension = (IUndoManagerExtension) undoManager;
			IUndoContext undoContext = undoManagerExtension.getUndoContext();
			IOperationHistory operationHistory = OperationHistoryFactory.getOperationHistory();
			startingUndoOperation = operationHistory.getUndoOperation(undoContext);
		}
	}
}

Example #4

Source File: TLAEditor.java From tlaplus with MIT License

5 votes

private IUndoContext getUndoContext() {
	if (getSourceViewer() instanceof ITextViewerExtension6) {
		IUndoManager undoManager = ((ITextViewerExtension6) getSourceViewer()).getUndoManager();
		if (undoManager instanceof IUndoManagerExtension)
			return ((IUndoManagerExtension) undoManager).getUndoContext();
	}
	return null;
}

Example #5

Source File: DecoratedScriptEditor.java From birt with Eclipse Public License 1.0

5 votes

public void setScript( String script )
{
	try
	{
		IDocumentProvider provider = getDocumentProvider( );

		if ( provider != null )
		{
			IDocument document = provider.getDocument( getEditorInput( ) );

			if ( document != null )
			{
				document.set( script == null ? "" : script ); //$NON-NLS-1$
				return;
			}
		}
		input = createScriptInput( script );
	}
	finally
	{
		ISourceViewer viewer = getSourceViewer( );

		if ( viewer instanceof SourceViewer )
		{
			IUndoManager undoManager = ( (SourceViewer) viewer ).getUndoManager( );

			if ( undoManager != null )
			{
				undoManager.reset( );
			}
		}
	}
}

Example #6

Source File: ScriptEditor.java From birt with Eclipse Public License 1.0

5 votes

public void setScript( String script )
{
	try
	{
		IDocumentProvider provider = getDocumentProvider( );

		if ( provider != null )
		{
			IDocument document = provider.getDocument( getEditorInput( ) );

			if ( document != null )
			{
				document.set( script == null ? "" : script ); //$NON-NLS-1$
				return;
			}
		}
		input = createScriptInput( script );
	}
	finally
	{
		ISourceViewer viewer = getSourceViewer( );

		if ( viewer instanceof SourceViewer )
		{
			IUndoManager undoManager = ( (SourceViewer) viewer ).getUndoManager( );

			if ( undoManager != null )
			{
				undoManager.reset( );
			}
		}
	}
}

Example #7

Source File: DummyTextViewer.java From xtext-eclipse with Eclipse Public License 2.0

4 votes

@Override
public void setUndoManager(IUndoManager undoManager) {
	throw new UnsupportedOperationException();
}

Example #8

Source File: MockableTextViewer.java From xtext-eclipse with Eclipse Public License 2.0

4 votes

@Override
public void setUndoManager(IUndoManager undoManager) {
	throw new UnsupportedOperationException();
}

Example #9

Source File: MockableTextViewer.java From xtext-eclipse with Eclipse Public License 2.0

4 votes

@Override
public void setUndoManager(IUndoManager undoManager) {
	throw new UnsupportedOperationException();
}

Example #10

Source File: DotHtmlLabelHoverFakeSourceViewer.java From gef with Eclipse Public License 2.0

4 votes

@Override
public void setUndoManager(IUndoManager undoManager) {
	throw new UnsupportedOperationException();
}

Example #11

Source File: UndoTest.java From xtext-xtend with Eclipse Public License 2.0

4 votes

@Test
public void testUndo() {
  try {
    StringConcatenation _builder = new StringConcatenation();
    _builder.append("class Foo {");
    _builder.newLine();
    _builder.append("\t");
    _builder.append("val java.lang.String x");
    _builder.newLine();
    _builder.append("\t");
    _builder.append("val java.util.ArrayList<String> y");
    _builder.newLine();
    _builder.append("}");
    _builder.newLine();
    final XtextEditor editor = this._workbenchTestHelper.openEditor("Foo", _builder.toString());
    this._organizeImportsHandler.doOrganizeImports(editor.getDocument());
    StringConcatenation _builder_1 = new StringConcatenation();
    _builder_1.append("import java.util.ArrayList");
    _builder_1.newLine();
    _builder_1.newLine();
    _builder_1.append("class Foo {");
    _builder_1.newLine();
    _builder_1.append("\t");
    _builder_1.append("val String x");
    _builder_1.newLine();
    _builder_1.append("\t");
    _builder_1.append("val ArrayList<String> y");
    _builder_1.newLine();
    _builder_1.append("}");
    _builder_1.newLine();
    Assert.assertEquals(_builder_1.toString(), editor.getDocument().get());
    final ISourceViewer viewer = editor.getInternalSourceViewer();
    Assert.assertTrue((viewer instanceof ITextViewerExtension6));
    final IUndoManager undoManager = ((ITextViewerExtension6) viewer).getUndoManager();
    undoManager.undo();
    StringConcatenation _builder_2 = new StringConcatenation();
    _builder_2.append("class Foo {");
    _builder_2.newLine();
    _builder_2.append("\t");
    _builder_2.append("val java.lang.String x");
    _builder_2.newLine();
    _builder_2.append("\t");
    _builder_2.append("val java.util.ArrayList<String> y");
    _builder_2.newLine();
    _builder_2.append("}");
    _builder_2.newLine();
    Assert.assertEquals(_builder_2.toString(), editor.getDocument().get());
  } catch (Throwable _e) {
    throw Exceptions.sneakyThrow(_e);
  }
}

Example #12

Source File: RenameLinkedMode.java From typescript.java with MIT License

4 votes

public void start() {
	if (getActiveLinkedMode() != null) {
		// for safety; should already be handled in RenameJavaElementAction
		fgActiveLinkedMode.startFullDialog();
		return;
	}

	ISourceViewer viewer = fEditor.getViewer();
	IDocument document = viewer.getDocument();

	ITypeScriptFile tsFile = fEditor.getTypeScriptFile();
	tsFile.setDisableChanged(true);
	fOriginalSelection = viewer.getSelectedRange();
	int offset = fOriginalSelection.x;

	try {
		fLinkedPositionGroup = new LinkedPositionGroup();
		if (viewer instanceof ITextViewerExtension6) {
			IUndoManager undoManager = ((ITextViewerExtension6) viewer).getUndoManager();
			if (undoManager instanceof IUndoManagerExtension) {
				IUndoManagerExtension undoManagerExtension = (IUndoManagerExtension) undoManager;
				IUndoContext undoContext = undoManagerExtension.getUndoContext();
				IOperationHistory operationHistory = OperationHistoryFactory.getOperationHistory();
				fStartingUndoOperation = operationHistory.getUndoOperation(undoContext);
			}
		}

		// Find occurrences
		List<OccurrencesResponseItem> occurrences = tsFile.occurrences(offset).get(1000, TimeUnit.MILLISECONDS);

		// Create Eclipse linked position from the occurrences list.
		int start, length;
		for (int i = 0; i < occurrences.size(); i++) {
			OccurrencesResponseItem item = occurrences.get(i);
			start = tsFile.getPosition(item.getStart());
			length = tsFile.getPosition(item.getEnd()) - start;
			LinkedPosition linkedPosition = new LinkedPosition(document, start, length, i);
			if (i == 0) {
				fOriginalName = document.get(start, length);
				fNamePosition = linkedPosition;
			}
			fLinkedPositionGroup.addPosition(linkedPosition);
		}

		fLinkedModeModel = new LinkedModeModel();
		fLinkedModeModel.addGroup(fLinkedPositionGroup);
		fLinkedModeModel.forceInstall();
		fLinkedModeModel.addLinkingListener(new EditorHighlightingSynchronizer(fEditor));
		fLinkedModeModel.addLinkingListener(new EditorSynchronizer());

		LinkedModeUI ui = new EditorLinkedModeUI(fLinkedModeModel, viewer);
		ui.setExitPosition(viewer, offset, 0, Integer.MAX_VALUE);
		ui.setExitPolicy(new ExitPolicy(document));
		ui.enter();

		viewer.setSelectedRange(fOriginalSelection.x, fOriginalSelection.y); // by
																				// default,
																				// full
																				// word
																				// is
																				// selected;
																				// restore
																				// original
																				// selection

		if (viewer instanceof IEditingSupportRegistry) {
			IEditingSupportRegistry registry = (IEditingSupportRegistry) viewer;
			registry.register(fFocusEditingSupport);
		}

		openSecondaryPopup();
		// startAnimation();
		fgActiveLinkedMode = this;

	} catch (Exception e) {
		JSDTTypeScriptUIPlugin.log(e);
	}
}

Example #13

Source File: DelegatingTextViewer.java From gwt-eclipse-plugin with Eclipse Public License 1.0

4 votes

public void setUndoManager(IUndoManager undoManager) {
  originalTextViewer.setUndoManager(undoManager);
}

Example #14

Source File: RenameLinkedMode.java From Eclipse-Postfix-Code-Completion with Eclipse Public License 1.0

4 votes

public void start() {
		if (getActiveLinkedMode() != null) {
			// for safety; should already be handled in RenameJavaElementAction
			fgActiveLinkedMode.startFullDialog();
			return;
		}

		ISourceViewer viewer= fEditor.getViewer();
		IDocument document= viewer.getDocument();
		fOriginalSelection= viewer.getSelectedRange();
		int offset= fOriginalSelection.x;

		try {
			CompilationUnit root= SharedASTProvider.getAST(getCompilationUnit(), SharedASTProvider.WAIT_YES, null);

			fLinkedPositionGroup= new LinkedPositionGroup();
			ASTNode selectedNode= NodeFinder.perform(root, fOriginalSelection.x, fOriginalSelection.y);
			if (! (selectedNode instanceof SimpleName)) {
				return; // TODO: show dialog
			}
			SimpleName nameNode= (SimpleName) selectedNode;

			if (viewer instanceof ITextViewerExtension6) {
				IUndoManager undoManager= ((ITextViewerExtension6)viewer).getUndoManager();
				if (undoManager instanceof IUndoManagerExtension) {
					IUndoManagerExtension undoManagerExtension= (IUndoManagerExtension)undoManager;
					IUndoContext undoContext= undoManagerExtension.getUndoContext();
					IOperationHistory operationHistory= OperationHistoryFactory.getOperationHistory();
					fStartingUndoOperation= operationHistory.getUndoOperation(undoContext);
				}
			}
			
			fOriginalName= nameNode.getIdentifier();
			final int pos= nameNode.getStartPosition();
			ASTNode[] sameNodes= LinkedNodeFinder.findByNode(root, nameNode);

			//TODO: copied from LinkedNamesAssistProposal#apply(..):
			// sort for iteration order, starting with the node @ offset
			Arrays.sort(sameNodes, new Comparator<ASTNode>() {
				public int compare(ASTNode o1, ASTNode o2) {
					return rank(o1) - rank(o2);
				}
				/**
				 * Returns the absolute rank of an <code>ASTNode</code>. Nodes
				 * preceding <code>pos</code> are ranked last.
				 *
				 * @param node the node to compute the rank for
				 * @return the rank of the node with respect to the invocation offset
				 */
				private int rank(ASTNode node) {
					int relativeRank= node.getStartPosition() + node.getLength() - pos;
					if (relativeRank < 0)
						return Integer.MAX_VALUE + relativeRank;
					else
						return relativeRank;
				}
			});
			for (int i= 0; i < sameNodes.length; i++) {
				ASTNode elem= sameNodes[i];
				LinkedPosition linkedPosition= new LinkedPosition(document, elem.getStartPosition(), elem.getLength(), i);
				if (i == 0)
					fNamePosition= linkedPosition;
				fLinkedPositionGroup.addPosition(linkedPosition);
			}

			fLinkedModeModel= new LinkedModeModel();
			fLinkedModeModel.addGroup(fLinkedPositionGroup);
			fLinkedModeModel.forceInstall();
			fLinkedModeModel.addLinkingListener(new EditorHighlightingSynchronizer(fEditor));
			fLinkedModeModel.addLinkingListener(new EditorSynchronizer());

			LinkedModeUI ui= new EditorLinkedModeUI(fLinkedModeModel, viewer);
			ui.setExitPosition(viewer, offset, 0, Integer.MAX_VALUE);
			ui.setExitPolicy(new ExitPolicy(document));
			ui.enter();

			viewer.setSelectedRange(fOriginalSelection.x, fOriginalSelection.y); // by default, full word is selected; restore original selection

			if (viewer instanceof IEditingSupportRegistry) {
				IEditingSupportRegistry registry= (IEditingSupportRegistry) viewer;
				registry.register(fFocusEditingSupport);
			}

			openSecondaryPopup();
//			startAnimation();
			fgActiveLinkedMode= this;

		} catch (BadLocationException e) {
			JavaPlugin.log(e);
		}
	}

Example #15

Source File: ScriptConsoleViewerWrapper.java From Pydev with Eclipse Public License 1.0

4 votes

@Override
public void setUndoManager(IUndoManager undoManager) {
    viewer.setUndoManager(undoManager);
}

Example #16

Source File: ScriptConsoleViewerWrapper.java From Pydev with Eclipse Public License 1.0

4 votes

public IUndoManager getUndoManager() {
    return viewer.getUndoManager();
}