org.eclipse.jface.text.ITextOperationTarget Java Examples

private void validateCompletionProposals(String text, String[] expectedProposalTexts)
		throws IOException, CoreException {
	IProject project = getProject(BASIC_PROJECT_NAME);
	IFile file = project.getFolder("src").getFile("main.rs");
	IEditorPart editor = IDE.openEditor(PlatformUI.getWorkbench().getActiveWorkbenchWindow().getActivePage(), file);
	((ITextEditor) editor).getDocumentProvider().getDocument(editor.getEditorInput()).set(text);

	ICompletionProposal[] proposals = (new SnippetContentAssistProcessor()).computeCompletionProposals(
			(ITextViewer) editor.getAdapter(ITextOperationTarget.class), text.length() - 1);
	if (expectedProposalTexts == null) {
		assertTrue(proposals == null || proposals.length == 0);
		return;
	}
	assertNotNull(proposals);
	for (int i = 0; i < proposals.length; i++) {
		assertEquals(((LSCompletionProposal) proposals[i]).getItem().getTextEdit().getNewText(),
				expectedProposalTexts[i]);
	}
}
 

/**
 * Creates the action.
 * @param bundle the resource bundle
 * @param prefix a prefix to be prepended to the various resource keys
 *   (described in <code>ResourceAction</code> constructor), or
 *   <code>null</code> if none
 * @param editor the text editor
 * @param operationCode the operation code
 */
public ClipboardOperationAction(ResourceBundle bundle, String prefix, ITextEditor editor, int operationCode) {
	super(bundle, prefix, editor);
	fOperationCode= operationCode;

	if (operationCode == ITextOperationTarget.CUT) {
		setHelpContextId(IAbstractTextEditorHelpContextIds.CUT_ACTION);
		setActionDefinitionId(IWorkbenchCommandConstants.EDIT_CUT);
	} else if (operationCode == ITextOperationTarget.COPY) {
		setHelpContextId(IAbstractTextEditorHelpContextIds.COPY_ACTION);
		setActionDefinitionId(IWorkbenchCommandConstants.EDIT_COPY);
	} else if (operationCode == ITextOperationTarget.PASTE) {
		setHelpContextId(IAbstractTextEditorHelpContextIds.PASTE_ACTION);
		setActionDefinitionId(IWorkbenchCommandConstants.EDIT_PASTE);
	} else {
		Assert.isTrue(false, "Invalid operation code"); //$NON-NLS-1$
	}
	update();
}
 

/**
 * Resets the state of the editor to what it was before macro record or playback
 * started.
 */
public void leaveMacroMode() {
    if (fEditorPart != null) {
        ITextOperationTarget textOperationTarget = fEditorPart.getAdapter(ITextOperationTarget.class);
        if (textOperationTarget instanceof ITextOperationTargetExtension) {
            ITextOperationTargetExtension targetExtension = (ITextOperationTargetExtension) textOperationTarget;
            if (textOperationTarget instanceof ITextOperationTargetExtension) {
                restore(targetExtension, ISourceViewer.CONTENTASSIST_PROPOSALS, CONTENT_ASSIST_ENABLED);
                restore(targetExtension, ISourceViewer.QUICK_ASSIST, QUICK_ASSIST_ENABLED);
            }
        }

        if (fEditorPart instanceof ITextEditor) {
            ITextEditor textEditor = (ITextEditor) fEditorPart;
            restore(textEditor, ITextEditorActionConstants.CONTENT_ASSIST);
            restore(textEditor, ITextEditorActionConstants.QUICK_ASSIST);
            restore(textEditor, ITextEditorActionConstants.BLOCK_SELECTION_MODE);
        }
    }
}
 

@Override
public void runWithEvent(Event event) {
	if (fAnnotation instanceof OverrideIndicatorManager.OverrideIndicator) {
		((OverrideIndicatorManager.OverrideIndicator)fAnnotation).open();
		return;
	}

	if (fHasCorrection) {
		ITextOperationTarget operation= (ITextOperationTarget) fTextEditor.getAdapter(ITextOperationTarget.class);
		final int opCode= ISourceViewer.QUICK_ASSIST;
		if (operation != null && operation.canDoOperation(opCode)) {
			fTextEditor.selectAndReveal(fPosition.getOffset(), fPosition.getLength());
			operation.doOperation(opCode);
		}
		return;
	}

	super.run();
}
 

/**
 * 执行复制时对标记的处理，复制后在OS系统中不能包含标记占位符 ;
 */
private void copy() {
	super.doOperation(ITextOperationTarget.COPY);
	TextTransfer plainTextTransfer = TextTransfer.getInstance();
	HSTextTransfer hsTextTransfer = HSTextTransfer.getInstance();
	Clipboard clipboard = new Clipboard(getTextWidget().getDisplay());
	String plainText = (String) clipboard.getContents(plainTextTransfer);
	if (plainText == null || plainText.length() == 0) {
		return;
	}
	plainText = plainText.replaceAll(System.getProperty("line.separator"), "\n");
	plainText = plainText.replaceAll(TmxEditorConstanst.LINE_SEPARATOR_CHARACTER + "", "");
	plainText = plainText.replaceAll(TmxEditorConstanst.TAB_CHARACTER + "", "\t");
	plainText = plainText.replaceAll(TmxEditorConstanst.SPACE_CHARACTER + "", " ");
	plainText = plainText.replaceAll("\u200B", "");
	clipboard.clearContents();
	Object[] data = new Object[] { PATTERN.matcher(plainText).replaceAll(""), plainText };
	Transfer[] types = new Transfer[] { plainTextTransfer, hsTextTransfer };

	clipboard.setContents(data, types);
	clipboard.dispose();
}
 

private void handleVerifyKeyPressed(VerifyEvent event) {
	if (!event.doit)
		return;

	if (event.stateMask != SWT.MOD1)
		return;

	switch (event.character) {
	case ' ':
		fPatternEditor.doOperation(ISourceViewer.CONTENTASSIST_PROPOSALS);
		event.doit = false;
		break;

	// CTRL-Z
	case 'z' - 'a' + 1:
		fPatternEditor.doOperation(ITextOperationTarget.UNDO);
		event.doit = false;
		break;
	}
}
 

@Override
public void doOperation(int operation) {
	if (operation == ITextOperationTarget.PASTE && isAutoFormattingEnable()) {
		final IRewriteTarget target = getRewriteTarget();
		target.beginCompoundChange();
		final IDocumentAutoFormatter formatter = getDocumentAutoFormatter();
		formatter.beginAutoFormat();
		try {
			super.doOperation(operation);
		} finally {
			formatter.endAutoFormat();
			target.endCompoundChange();
		}
	} else {
		super.doOperation(operation);
	}
}
 

/**
 * Creates the action.
 * 
 * @param bundle
 *            the resource bundle
 * @param prefix
 *            a prefix to be prepended to the various resource keys (described in <code>ResourceAction</code>
 *            constructor), or <code>null</code> if none
 * @param editor
 *            the text editor. May not be <code>null</code>.
 * @param operationCode
 *            the operation code
 */
public ImportsAwareClipboardAction(ResourceBundle bundle, String prefix, ITextEditor editor,
		final int operationCode) {
	super(bundle, prefix, editor);
	this.operationCode = operationCode;

	if (operationCode == ITextOperationTarget.CUT) {
		setHelpContextId(IAbstractTextEditorHelpContextIds.CUT_ACTION);
		setActionDefinitionId(IWorkbenchCommandConstants.EDIT_CUT);
	} else if (operationCode == ITextOperationTarget.COPY) {
		setHelpContextId(IAbstractTextEditorHelpContextIds.COPY_ACTION);
		setActionDefinitionId(IWorkbenchCommandConstants.EDIT_COPY);
	} else if (operationCode == ITextOperationTarget.PASTE) {
		setHelpContextId(IAbstractTextEditorHelpContextIds.PASTE_ACTION);
		setActionDefinitionId(IWorkbenchCommandConstants.EDIT_PASTE);
	} else {
		Assert.isTrue(false, "Invalid operation code"); //$NON-NLS-1$
	}
	update();
}
 

/**
 * 执行复制时对标记的处理，复制后在OS系统中不能包含标记占位符 ;
 */
private void copy() {
	super.doOperation(ITextOperationTarget.COPY);
	TextTransfer plainTextTransfer = TextTransfer.getInstance();
	XLiffTextTransfer hsTextTransfer = XLiffTextTransfer.getInstance();
	Clipboard clipboard = new Clipboard(getTextWidget().getDisplay());
	String plainText = (String) clipboard.getContents(plainTextTransfer);
	if (plainText == null || plainText.length() == 0) {
		return;
	}
	plainText = plainText.replaceAll(Utils.getLineSeparator(), "\n");
	plainText = plainText.replaceAll(Constants.LINE_SEPARATOR_CHARACTER + "", "");
	plainText = plainText.replaceAll(Constants.TAB_CHARACTER + "", "\t");
	plainText = plainText.replaceAll(Constants.SPACE_CHARACTER + "", " ");
	plainText = plainText.replaceAll("\u200B", "");
	clipboard.clearContents();
	Object[] data = new Object[] { PATTERN.matcher(plainText).replaceAll(""), plainText };
	Transfer[] types = new Transfer[] { plainTextTransfer, hsTextTransfer };

	clipboard.setContents(data, types, DND.CLIPBOARD);
	clipboard.dispose();
}
 

/**
 * Implementation of the <code>IUpdate</code> prototype method discovers
 * the operation through the current editor's
 * <code>ITextOperationTarget</code> adapter, and sets the enabled state
 * accordingly.
 */
@Override
public void update() {
	super.update();

	if (!canModifyEditor()) {
		setEnabled(false);
		return;
	}

	ITextEditor editor= getTextEditor();
	if (fOperationTarget == null && editor != null)
		fOperationTarget= Adapters.adapt(editor, ITextOperationTarget.class);

	boolean isEnabled= (fOperationTarget != null && fOperationTarget.canDoOperation(ITextOperationTarget.PREFIX) && fOperationTarget.canDoOperation(ITextOperationTarget.STRIP_PREFIX));
	setEnabled(isEnabled);
}
 

@Override
public void run() {
	try {
		// Move offset to the line of the annotation, if necessary
		IDocument document = getDocument();
		int annotationLine = ruler.getLineOfLastMouseButtonActivity();
		int annotationLineOffet = document.getLineOffset(annotationLine);
		Point currentSelection = textEditor.getInternalSourceViewer().getSelectedRange();
		int currentLine = document.getLineOfOffset(currentSelection.x);
		if (currentLine != annotationLine)
			textEditor.getInternalSourceViewer().setSelectedRange(annotationLineOffet, 0);
	
		// show QuickFix dialog
		ITextOperationTarget operation = textEditor.getAdapter(ITextOperationTarget.class);
		final int opCode = ISourceViewer.QUICK_ASSIST;
		if (operation != null && operation.canDoOperation(opCode))
			operation.doOperation(opCode);
	} catch (BadLocationException e) {
		// Ignore -> do nothing
	}
}
 

/**
 * Update the state.
 */
public void updateEnabledState() {
	if (viewer != null && !viewer.getTextWidget().isDisposed()) {
		setEnabled(viewer.canDoOperation(ITextOperationTarget.REDO));
		return;
	}
	if (undoAction != null) {
		setEnabled(redoAction.isEnabled());
		return;
	}
	setEnabled(false);
}
 

/**
 * Update state.
 */
public void updateEnabledState() {
	if (viewer != null && !viewer.getTextWidget().isDisposed()) {
		setEnabled(viewer.canDoOperation(ITextOperationTarget.CUT));
		return;
	}
	if (cutAction != null) {
		setEnabled(cutAction.isEnabled());
		return;
	}
	setEnabled(false);
}
 

/**
 * Update the state.
 */
public void updateEnabledState() {
	if (viewer != null && !viewer.getTextWidget().isDisposed()) {
		setEnabled(viewer.canDoOperation(ITextOperationTarget.UNDO));
		return;
	}
	if (undoAction != null) {
		setEnabled(undoAction.isEnabled());
		return;
	}
	setEnabled(false);
}
 

public void runWithEvent(Event event) {
	if (viewer != null && !viewer.getTextWidget().isDisposed()) {
		// 使用TextViewer提供的重做功能
		viewer.doOperation(ITextOperationTarget.REDO);
		updateActionsEnableState();
		return;
	}
	if (redoAction != null) {
		redoAction.runWithEvent(event);
		return;
	}
}
 

public void runWithEvent(Event event) {
	if (viewer != null && !viewer.getTextWidget().isDisposed()) {
		// 使用TextViewer组件的撤销功能
		viewer.doOperation(ITextOperationTarget.UNDO);
		updateActionsEnableState();
		return;
	}
	if (undoAction != null) {
		undoAction.runWithEvent(event);
		return;
	}
}
 

public void runWithEvent(Event event) {
	if (viewer != null && !viewer.getTextWidget().isDisposed()) {
		viewer.doOperation(ITextOperationTarget.SELECT_ALL);
		updateActionsEnableState();
		return;
	}
	if (selectAllAction != null) {
		selectAllAction.runWithEvent(event);
		return;
	}
}
 

/**
 * Update the state.
 */
public void updateEnabledState() {
	if (viewer != null && !viewer.getTextWidget().isDisposed()) {
		setEnabled(viewer.canDoOperation(ITextOperationTarget.UNDO));
		return;
	}
	if (undoAction != null) {
		setEnabled(undoAction.isEnabled());
		return;
	}
	setEnabled(false);
}
 

public void runWithEvent(Event event) {
	if (viewer != null && !viewer.getTextWidget().isDisposed()) {
		// 使用TextViewer提供的重做功能
		viewer.doOperation(ITextOperationTarget.REDO);
		updateActionsEnableState();
		return;
	}
	if (redoAction != null) {
		redoAction.runWithEvent(event);
		return;
	}
}
 

public void runWithEvent(Event event) {
	if (viewer != null && !viewer.getTextWidget().isDisposed()) {
		// 使用TextViewer组件的撤销功能
		viewer.doOperation(ITextOperationTarget.UNDO);
		updateActionsEnableState();
		return;
	}
	if (undoAction != null) {
		undoAction.runWithEvent(event);
		return;
	}
}
 

/**
 * Update state.
 */
public void updateEnabledState() {
	if (viewer != null && !viewer.getTextWidget().isDisposed()) {
		setEnabled(viewer.canDoOperation(ITextOperationTarget.CUT));
		return;
	}
	if (cutAction != null) {
		setEnabled(cutAction.isEnabled());
		return;
	}
	setEnabled(false);
}
 

public void runWithEvent(Event event) {
	if (viewer != null && !viewer.getTextWidget().isDisposed()) {
		viewer.doOperation(ITextOperationTarget.CUT);
		updateActionsEnableState();
		return;
	}
	if (cutAction != null) {
		cutAction.runWithEvent(event);
		return;
	}
}
 

/**
 * Update the state
 */
public void updateEnabledState() {
	if (viewer != null && !viewer.getTextWidget().isDisposed()) {
		setEnabled(viewer.canDoOperation(ITextOperationTarget.PASTE));
		return;
	}
	if (pasteAction != null) {
		setEnabled(pasteAction.isEnabled());
		return;
	}
	setEnabled(false);
}
 

public void runWithEvent(Event event) {
	if (viewer != null && !viewer.getTextWidget().isDisposed()) {
		viewer.doOperation(ITextOperationTarget.PASTE);
		updateActionsEnableState();
		return;
	}
}
 

/**
 * Update the state.
 */
public void updateEnabledState() {
	if (viewer != null && !viewer.getTextWidget().isDisposed()) {
		setEnabled(viewer.canDoOperation(ITextOperationTarget.COPY));
		return;
	}
	if (copyAction != null) {
		setEnabled(copyAction.isEnabled());
		return;
	}
	setEnabled(false);
}
 

public void runWithEvent(Event event) {
	if (viewer != null && !viewer.getTextWidget().isDisposed()) {
		viewer.doOperation(ITextOperationTarget.COPY);
		updateActionsEnableState();
		return;
	}
	if (copyAction != null) {
		copyAction.runWithEvent(event);
		return;
	}
}
 

/**
 * Update the state.
 */
public void updateEnabledState() {
	if (viewer != null && !viewer.getTextWidget().isDisposed()) {
		setEnabled(viewer.canDoOperation(ITextOperationTarget.SELECT_ALL));
		return;
	}
	if (selectAllAction != null) {
		setEnabled(selectAllAction.isEnabled());
		return;
	}
	setEnabled(false);
}
 

protected boolean isTargetOperationEnabled() {
	ITextEditor editor = getTextEditor();
	if(editor != null) {
		fOperationTarget = (ITextOperationTarget) editor.getAdapter(ITextOperationTarget.class);
	}
	
	return fOperationTarget != null && 
		fOperationTarget.canDoOperation(ITextOperationTarget.PREFIX) && 
		fOperationTarget.canDoOperation(ITextOperationTarget.STRIP_PREFIX);
}
 

public void runWithEvent(Event event) {
	if (viewer != null && !viewer.getTextWidget().isDisposed()) {
		StyledTextCellEditor editor = HsMultiActiveCellEditor.getFocusCellEditor();
		boolean isSrc = false;
		if (editor != null && editor.getCellType().equals(NatTableConstant.SOURCE)) {
			isSrc = true;
		}
		StyledText styledText = viewer.getTextWidget();
		String text = styledText.getText();
		String selectionText = styledText.getSelectionText();
		// 当选择源文时，要判断是否是删除所有源文
		if (isSrc) {
			if (selectionText != null && text != null && text.equals(selectionText)) {
				MessageDialog.openInformation(viewer.getTextWidget().getShell(),
						Messages.getString("editor.XLIFFEditorActionHandler.msgTitle"),
						Messages.getString("editor.XLIFFEditorActionHandler.msg"));
				return;
			}
		}
		viewer.doOperation(ITextOperationTarget.DELETE);
		updateActionsEnableState();
		return;
	}
	if (deleteAction != null) {
		deleteAction.runWithEvent(event);
		return;
	}
}
 

/**
 * Update state.
 */
public void updateEnabledState() {
	if (viewer != null && !viewer.getTextWidget().isDisposed()) {
		setEnabled(viewer.canDoOperation(ITextOperationTarget.CUT));
		return;
	}
	if (cutAction != null) {
		setEnabled(cutAction.isEnabled());
		return;
	}
	setEnabled(false);
}