org.eclipse.jface.text.ITextOperationTarget#PASTE源码实例Demo

/**
 * 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();
}
 

/**
 * 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();
}
 

@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);
	}
}
 

protected void internalDoOperation() {
	if (operationCode == ITextOperationTarget.PASTE) {
		doPasteWithImportsOperation();
	} else {
		doCutCopyWithImportsOperation();
	}
}
 

protected final void internalDoOperation() {
	if (PreferenceConstants.getPreferenceStore().getBoolean(PreferenceConstants.EDITOR_IMPORTS_ON_PASTE) && isSmartInsertMode()) {
		if (fOperationCode == ITextOperationTarget.PASTE) {
			doPasteWithImportsOperation();
		} else {
			doCutCopyWithImportsOperation();
		}
	} else {
		fOperationTarget.doOperation(fOperationCode);
	}
}
 

/**
 * 重载此方法，实现粘贴、复制前对标记的处理。<br>
 * 已经移出了 默认的复制、粘贴事件键绑定, 参考{@link CellEditorTextViewer#initListener()}
 * @see org.eclipse.jface.text.TextViewer#doOperation(int)
 */
@Override
public void doOperation(int operation) {
	if (operation == ITextOperationTarget.PASTE) {
		parse();
		return;
	}
	if (operation == ITextOperationTarget.COPY) {
		copy();
		return;
	}
	super.doOperation(operation);
}
 

/**
 * 重载此方法，实现粘贴、复制前对标记的处理。<br>
 * 已经移出了 默认的复制、粘贴事件键绑定, 参考{@link CellEditorTextViewer#initListener()}
 * @see org.eclipse.jface.text.TextViewer#doOperation(int)
 */
@Override
public void doOperation(int operation) {
	if (operation == ITextOperationTarget.PASTE) {
		parse();
		return;
	}
	if (operation == ITextOperationTarget.COPY) {
		copy();
		return;
	}
	super.doOperation(operation);
}
 

public ImportsAwareTestClipboardAction() {
  this(XbaseEditorMessages.getBundleForConstructedKeys(), "", null, ITextOperationTarget.PASTE);
}
 

private void initializeActions() {
	TextViewerAction action = new TextViewerAction(fPatternEditor, ITextOperationTarget.UNDO);
	action.setText(JSDTTypeScriptUIMessages.EditTemplateDialog_undo);
	fGlobalActions.put(ITextEditorActionConstants.UNDO, action);

	action = new TextViewerAction(fPatternEditor, ITextOperationTarget.CUT);
	action.setText(JSDTTypeScriptUIMessages.EditTemplateDialog_cut);
	fGlobalActions.put(ITextEditorActionConstants.CUT, action);

	action = new TextViewerAction(fPatternEditor, ITextOperationTarget.COPY);
	action.setText(JSDTTypeScriptUIMessages.EditTemplateDialog_copy);
	fGlobalActions.put(ITextEditorActionConstants.COPY, action);

	action = new TextViewerAction(fPatternEditor, ITextOperationTarget.PASTE);
	action.setText(JSDTTypeScriptUIMessages.EditTemplateDialog_paste);
	fGlobalActions.put(ITextEditorActionConstants.PASTE, action);

	action = new TextViewerAction(fPatternEditor, ITextOperationTarget.SELECT_ALL);
	action.setText(JSDTTypeScriptUIMessages.EditTemplateDialog_select_all);
	fGlobalActions.put(ITextEditorActionConstants.SELECT_ALL, action);

	action = new TextViewerAction(fPatternEditor, ISourceViewer.CONTENTASSIST_PROPOSALS);
	action.setText(JSDTTypeScriptUIMessages.EditTemplateDialog_content_assist);
	fGlobalActions.put("ContentAssistProposal", action); //$NON-NLS-1$

	fSelectionActions.add(ITextEditorActionConstants.CUT);
	fSelectionActions.add(ITextEditorActionConstants.COPY);
	fSelectionActions.add(ITextEditorActionConstants.PASTE);

	// create context menu
	MenuManager manager = new MenuManager(null, null);
	manager.setRemoveAllWhenShown(true);
	manager.addMenuListener(new IMenuListener() {
		public void menuAboutToShow(IMenuManager mgr) {
			fillContextMenu(mgr);
		}
	});

	StyledText text = fPatternEditor.getTextWidget();
	Menu menu = manager.createContextMenu(text);
	text.setMenu(menu);
}