| /******************************************************************************* |
| * Copyright (c) 2012, 2015 Wind River Systems, 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: |
| * Wind River Systems - initial API and implementation |
| *******************************************************************************/ |
| package org.eclipse.tcf.te.tcf.filesystem.ui.internal.handlers; |
| |
| import java.util.List; |
| |
| import org.eclipse.core.commands.AbstractHandler; |
| import org.eclipse.core.commands.ExecutionEvent; |
| import org.eclipse.core.commands.ExecutionException; |
| import org.eclipse.jface.dialogs.MessageDialog; |
| import org.eclipse.jface.viewers.ISelection; |
| import org.eclipse.jface.viewers.IStructuredSelection; |
| import org.eclipse.osgi.util.NLS; |
| import org.eclipse.swt.graphics.Image; |
| import org.eclipse.swt.widgets.Display; |
| import org.eclipse.swt.widgets.Shell; |
| import org.eclipse.tcf.te.tcf.filesystem.core.interfaces.IConfirmCallback; |
| import org.eclipse.tcf.te.tcf.filesystem.core.interfaces.runtime.IFSTreeNode; |
| import org.eclipse.tcf.te.tcf.filesystem.core.model.ModelManager; |
| import org.eclipse.tcf.te.tcf.filesystem.ui.activator.UIPlugin; |
| import org.eclipse.tcf.te.tcf.filesystem.ui.internal.ImageConsts; |
| import org.eclipse.tcf.te.tcf.filesystem.ui.internal.operations.UiExecutor; |
| import org.eclipse.tcf.te.tcf.filesystem.ui.nls.Messages; |
| import org.eclipse.ui.PlatformUI; |
| import org.eclipse.ui.handlers.HandlerUtil; |
| |
| /** |
| * Delete handler implementation. |
| */ |
| public class DeleteHandler extends AbstractHandler { |
| // The confirmation call for read only files. |
| private IConfirmCallback readonlyCallback = new ReadOnlyConfirmCallback(); |
| |
| /* (non-Javadoc) |
| * @see org.eclipse.core.commands.IHandler#execute(org.eclipse.core.commands.ExecutionEvent) |
| */ |
| @Override |
| public Object execute(ExecutionEvent event) throws ExecutionException { |
| // Get the current selection |
| ISelection selection = HandlerUtil.getCurrentSelection(event); |
| if (selection instanceof IStructuredSelection && !selection.isEmpty()) { |
| List<IFSTreeNode> nodes = ((IStructuredSelection)selection).toList(); |
| if(confirmDeletion(nodes)) { |
| UiExecutor.execute(ModelManager.operationDelete(nodes, readonlyCallback)); |
| } |
| } |
| |
| return null; |
| } |
| |
| /** |
| * Confirm the deletion of the specified nodes. |
| * |
| * @param nodes The nodes to be deleted. |
| * @return true if the user agrees to delete. |
| */ |
| private boolean confirmDeletion(List<IFSTreeNode> nodes) { |
| String question; |
| if (nodes.size() == 1) { |
| IFSTreeNode node = nodes.get(0); |
| question = NLS.bind(Messages.DeleteFilesHandler_DeleteOneFileConfirmation, node.getName()); |
| } |
| else { |
| question = NLS.bind(Messages.DeleteFilesHandler_DeleteMultipleFilesConfirmation, Integer.valueOf(nodes.size())); |
| } |
| Shell parent = PlatformUI.getWorkbench().getActiveWorkbenchWindow().getShell(); |
| if (MessageDialog.openQuestion(parent, Messages.DeleteFilesHandler_ConfirmDialogTitle, question)) { |
| return true; |
| } |
| return false; |
| } |
| |
| /** |
| * The callback implementation for the user to confirm the deletion of |
| * a read-only file/folder. |
| */ |
| static class ReadOnlyConfirmCallback implements IConfirmCallback { |
| /* |
| * (non-Javadoc) |
| * @see org.eclipse.tcf.te.tcf.filesystem.core.interfaces.IConfirmCallback#requires(java.lang.Object) |
| */ |
| @Override |
| public boolean requires(Object object) { |
| if(object instanceof IFSTreeNode) { |
| IFSTreeNode node = (IFSTreeNode) object; |
| return node.isWindowsNode() && node.isReadOnly() || !node.isWindowsNode() && !node.isWritable(); |
| } |
| return false; |
| } |
| |
| /* |
| * (non-Javadoc) |
| * @see org.eclipse.tcf.te.tcf.filesystem.core.interfaces.IConfirmCallback#confirms(java.lang.Object) |
| */ |
| @Override |
| public int confirms(Object object) { |
| final IFSTreeNode node = (IFSTreeNode) object; |
| final int[] results = new int[1]; |
| Display display = PlatformUI.getWorkbench().getDisplay(); |
| display.syncExec(new Runnable() { |
| @Override |
| public void run() { |
| Shell parent = PlatformUI.getWorkbench().getActiveWorkbenchWindow().getShell(); |
| String title = Messages.FSDelete_ConfirmDelete; |
| String message = NLS.bind(Messages.FSDelete_ConfirmMessage, node.getName()); |
| final Image titleImage = UIPlugin.getImage(ImageConsts.DELETE_READONLY_CONFIRM); |
| MessageDialog qDialog = new MessageDialog(parent, title, null, message, MessageDialog.QUESTION, new String[] { Messages.FSDelete_ButtonYes, Messages.FSDelete_ButtonYes2All, Messages.FSDelete_ButtonNo, Messages.FSDelete_ButtonCancel }, 0) { |
| @Override |
| public Image getQuestionImage() { |
| return titleImage; |
| } |
| }; |
| results[0] = qDialog.open(); |
| } |
| }); |
| return results[0]; |
| } |
| } |
| } |