| /******************************************************************************* |
| * 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.dnd.internal; |
| |
| import java.util.Map; |
| |
| import org.eclipse.gef.commands.Command; |
| import org.eclipse.jface.wizard.IWizard; |
| import org.eclipse.jst.jsf.common.ui.internal.dialogs.CommonWizardDialog; |
| import org.eclipse.jst.pagedesigner.dnd.ILocalDropHandler; |
| import org.eclipse.jst.pagedesigner.dom.IDOMPosition; |
| import org.eclipse.jst.pagedesigner.viewer.IHTMLGraphicalViewer; |
| import org.eclipse.swt.widgets.Shell; |
| import org.w3c.dom.Node; |
| |
| /** |
| * This is the command that performs the drop operation. There is no need for |
| * this command to go into command stack, it simply open wizards, and let |
| * wizards to handle the remaining things. |
| * |
| * @author mengbo |
| */ |
| public class LocalDropCommand extends Command { |
| /** |
| * the map from feedback to ILocalDropHandler |
| */ |
| private Map _feedbackToHandlers; |
| |
| private IHTMLGraphicalViewer _viewer; |
| |
| private Object _localObject; |
| |
| private Node _widget; |
| |
| private IDOMPosition _position; |
| |
| /** |
| * constructor |
| * @param viewer |
| * @param localObject |
| * @param feedbackHandlers |
| */ |
| public LocalDropCommand(IHTMLGraphicalViewer viewer, Object localObject, |
| Map feedbackHandlers) { |
| _viewer = viewer; |
| _localObject = localObject; |
| _feedbackToHandlers = feedbackHandlers; |
| } |
| |
| /** |
| * @param widget |
| */ |
| public void setWidget(Node widget) { |
| _widget = widget; |
| } |
| |
| /** |
| * @param position |
| */ |
| public void setDOMPosition(IDOMPosition position) { |
| _position = position; |
| } |
| |
| /* |
| * (non-Javadoc) |
| * |
| * @see org.eclipse.gef.commands.Command#execute() |
| */ |
| public void execute() { |
| if (_feedbackToHandlers.size() == 1) { |
| // only have one choice. |
| ILocalDropHandler handler = (ILocalDropHandler) _feedbackToHandlers |
| .values().toArray()[0]; |
| if (handler.useWizard(_localObject, _viewer)) { |
| IWizard wizard; |
| if (_widget != null) { |
| wizard = handler.getWizard(_localObject, _widget, _viewer); |
| } else { |
| wizard = handler |
| .getWizard(_localObject, _position, _viewer); |
| } |
| CommonWizardDialog wizardDialog = new CommonWizardDialog( |
| getShell(), wizard); |
| wizardDialog.setTitle(Messages |
| .getString("LocalDropCommand.DropHandler")); |
| wizardDialog.create(); |
| wizardDialog.open(); |
| } else { |
| if (_widget != null) { |
| handler.doUpdateWidget(_localObject, _widget, _viewer); |
| } else { |
| handler.doInsertElements(_localObject, _position, _viewer); |
| } |
| } |
| } else { |
| CommonWizardDialog wizardDialog = new CommonWizardDialog( |
| getShell(), getWizard()); |
| wizardDialog.setTitle(Messages |
| .getString("LocalDropCommand.DropHandler")); |
| wizardDialog.setBlockOnOpen(false); |
| wizardDialog.create(); |
| wizardDialog.open(); |
| } |
| } |
| |
| /** |
| * @return |
| */ |
| private IWizard getWizard() { |
| if (_widget != null) { |
| return new DropSelectionWizard(_viewer, _localObject, |
| _feedbackToHandlers, _widget); |
| } |
| return new DropSelectionWizard(_viewer, _localObject, |
| _feedbackToHandlers, _position); |
| } |
| |
| /** |
| * @return |
| */ |
| private Shell getShell() { |
| return _viewer.getControl().getShell(); |
| } |
| } |