| /******************************************************************************* |
| * Copyright (c) 2006 Sybase, Inc. and others. |
| * |
| * 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: |
| * Sybase, Inc. - initial API and implementation |
| *******************************************************************************/ |
| package org.eclipse.jst.pagedesigner.commands; |
| |
| import org.eclipse.gef.ui.parts.GraphicalEditor; |
| import org.eclipse.jst.pagedesigner.commands.range.DeleteCommand; |
| import org.eclipse.jst.pagedesigner.dom.EditModelQuery; |
| import org.eclipse.jst.pagedesigner.parts.DocumentEditPart; |
| import org.eclipse.jst.pagedesigner.viewer.IHTMLGraphicalViewer; |
| |
| /** |
| * @author mengbo |
| */ |
| public class DeleteAction extends DesignAction { |
| /** |
| * @param editor |
| */ |
| public DeleteAction(GraphicalEditor editor) { |
| super(editor, CommandResources |
| .getString("DeleteAction.CommandLabel.Delete")); //$NON-NLS-1$ |
| } |
| |
| public void perform() { |
| DesignerCommand command = null; |
| IHTMLGraphicalViewer viewer = getViewer(); |
| if (viewer.isInRangeMode()) { |
| command = new DeleteCommand(true, viewer); |
| command.execute(); |
| } else { |
| command = new DeleteNodeCommand(viewer); |
| command.execute(); |
| } |
| } |
| |
| /* |
| * (non-Javadoc) |
| * |
| * @see org.eclipse.jface.action.IAction#isEnabled() |
| */ |
| public boolean isEnabled() { |
| IHTMLGraphicalViewer viewer = getViewer(); |
| if (viewer != null) { |
| if (viewer.isInRangeMode() |
| && !EditModelQuery.isSame(viewer.getRangeSelection())) { |
| return true; |
| } else if (!viewer.isInRangeMode()) { |
| int size = viewer.getSelectedEditParts().size(); |
| if (size > 1) { |
| return true; |
| } else if (size == 1 |
| && !(viewer.getSelectedEditParts().get(0) instanceof DocumentEditPart)) { |
| return true; |
| } |
| } |
| } |
| return false; |
| } |
| } |