| /******************************************************************************* |
| * Copyright (c) 2000, 2005 IBM Corporation 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: |
| * IBM Corporation - initial API and implementation |
| *******************************************************************************/ |
| package org.eclipse.debug.internal.ui.actions; |
| |
| import java.util.Iterator; |
| |
| import org.eclipse.core.runtime.IAdaptable; |
| import org.eclipse.debug.core.DebugException; |
| import org.eclipse.debug.core.DebugPlugin; |
| import org.eclipse.debug.core.IExpressionManager; |
| import org.eclipse.debug.core.ILaunch; |
| import org.eclipse.debug.core.model.IDebugElement; |
| import org.eclipse.debug.core.model.IVariable; |
| import org.eclipse.debug.core.model.IWatchExpression; |
| import org.eclipse.debug.internal.ui.DebugUIPlugin; |
| import org.eclipse.debug.ui.DebugUITools; |
| import org.eclipse.debug.ui.IDebugUIConstants; |
| import org.eclipse.jface.action.IAction; |
| import org.eclipse.jface.viewers.ISelection; |
| import org.eclipse.jface.viewers.IStructuredSelection; |
| import org.eclipse.ui.IObjectActionDelegate; |
| import org.eclipse.ui.IViewPart; |
| import org.eclipse.ui.IWorkbenchPage; |
| import org.eclipse.ui.IWorkbenchPart; |
| import org.eclipse.ui.PartInitException; |
| |
| /** |
| * |
| */ |
| public class WatchAction implements IObjectActionDelegate { |
| |
| private IStructuredSelection fSelection; |
| |
| /** |
| * @see org.eclipse.ui.IObjectActionDelegate#setActivePart(org.eclipse.jface.action.IAction, org.eclipse.ui.IWorkbenchPart) |
| */ |
| public void setActivePart(IAction action, IWorkbenchPart targetPart) { |
| } |
| |
| /** |
| * @see org.eclipse.ui.IActionDelegate#run(org.eclipse.jface.action.IAction) |
| */ |
| public void run(IAction action) { |
| if (fSelection == null) { |
| return; |
| } |
| Iterator iter = fSelection.iterator(); |
| while (iter.hasNext()) { |
| IVariable variable = (IVariable) iter.next(); |
| createExpression(variable); |
| } |
| } |
| |
| private void showExpressionsView() { |
| IWorkbenchPage page = DebugUIPlugin.getDefault().getWorkbench().getActiveWorkbenchWindow().getActivePage(); |
| IViewPart part = page.findView(IDebugUIConstants.ID_EXPRESSION_VIEW); |
| if (part == null) { |
| try { |
| page.showView(IDebugUIConstants.ID_EXPRESSION_VIEW); |
| } catch (PartInitException e) { |
| } |
| } else { |
| page.bringToTop(part); |
| } |
| |
| } |
| |
| private void createExpression(IVariable variable) { |
| IWatchExpression expression; |
| try { |
| expression = DebugPlugin.getDefault().getExpressionManager().newWatchExpression(variable.getName()); |
| } catch (DebugException e) { |
| DebugUIPlugin.errorDialog(DebugUIPlugin.getShell(), ActionMessages.WatchAction_0, ActionMessages.WatchAction_1, e); //$NON-NLS-1$ //$NON-NLS-2$ |
| return; |
| } |
| DebugPlugin.getDefault().getExpressionManager().addExpression(expression); |
| IAdaptable object = DebugUITools.getDebugContext(); |
| IDebugElement context = null; |
| if (object instanceof IDebugElement) { |
| context = (IDebugElement) object; |
| } else if (object instanceof ILaunch) { |
| context = ((ILaunch) object).getDebugTarget(); |
| } |
| expression.setExpressionContext(context); |
| showExpressionsView(); |
| } |
| |
| /** |
| * @see org.eclipse.ui.IActionDelegate#selectionChanged(org.eclipse.jface.action.IAction, org.eclipse.jface.viewers.ISelection) |
| */ |
| public void selectionChanged(IAction action, ISelection selection) { |
| fSelection = null; |
| int enabled = 0; |
| int size = -1; |
| if (selection instanceof IStructuredSelection) { |
| fSelection = (IStructuredSelection) selection; |
| size = fSelection.size(); |
| IExpressionManager manager = DebugPlugin.getDefault().getExpressionManager(); |
| Iterator iterator = fSelection.iterator(); |
| while (iterator.hasNext()) { |
| IVariable variable = (IVariable) iterator.next(); |
| if (manager.hasWatchExpressionDelegate(variable.getModelIdentifier())) { |
| enabled++; |
| } else { |
| break; |
| } |
| } |
| } |
| action.setEnabled(enabled == size); |
| } |
| |
| } |