| /******************************************************************************* |
| * Copyright (c) 2000, 2010 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 |
| * Wind River - Pawel Piech - Drag/Drop to Expressions View (Bug 184057) |
| * Wind River - Pawel Piech - Fix viewer input race condition (Bug 234908) |
| *******************************************************************************/ |
| package org.eclipse.debug.internal.ui.views.expression; |
| |
| |
| import org.eclipse.core.runtime.IAdaptable; |
| import org.eclipse.core.runtime.IStatus; |
| 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.IWatchExpression; |
| import org.eclipse.debug.internal.ui.IDebugHelpContextIds; |
| import org.eclipse.debug.internal.ui.actions.expressions.PasteWatchExpressionsAction; |
| import org.eclipse.debug.internal.ui.actions.variables.ChangeVariableValueAction; |
| import org.eclipse.debug.internal.ui.preferences.IDebugPreferenceConstants; |
| import org.eclipse.debug.internal.ui.viewers.model.provisional.IViewerInputUpdate; |
| import org.eclipse.debug.internal.ui.viewers.model.provisional.TreeModelViewer; |
| import org.eclipse.debug.internal.ui.views.variables.AvailableLogicalStructuresAction; |
| import org.eclipse.debug.internal.ui.views.variables.SelectionDragAdapter; |
| import org.eclipse.debug.internal.ui.views.variables.VariablesView; |
| import org.eclipse.debug.internal.ui.views.variables.VariablesViewMessages; |
| import org.eclipse.debug.internal.ui.views.variables.details.AvailableDetailPanesAction; |
| import org.eclipse.debug.ui.DebugUITools; |
| import org.eclipse.debug.ui.IDebugUIConstants; |
| import org.eclipse.jface.action.IAction; |
| import org.eclipse.jface.action.IMenuManager; |
| import org.eclipse.jface.action.IToolBarManager; |
| import org.eclipse.jface.action.Separator; |
| import org.eclipse.jface.util.LocalSelectionTransfer; |
| import org.eclipse.jface.viewers.ISelection; |
| import org.eclipse.jface.viewers.StructuredSelection; |
| import org.eclipse.swt.dnd.Clipboard; |
| import org.eclipse.swt.dnd.DND; |
| import org.eclipse.swt.dnd.TextTransfer; |
| import org.eclipse.swt.dnd.Transfer; |
| import org.eclipse.swt.widgets.Display; |
| import org.eclipse.ui.ISharedImages; |
| import org.eclipse.ui.IWorkbenchActionConstants; |
| import org.eclipse.ui.IWorkbenchCommandConstants; |
| import org.eclipse.ui.PlatformUI; |
| |
| /** |
| * Displays expressions and their values with a detail |
| * pane. |
| */ |
| public class ExpressionView extends VariablesView { |
| |
| private PasteWatchExpressionsAction fPasteAction; |
| |
| /* (non-Javadoc) |
| * @see org.eclipse.debug.internal.ui.views.variables.VariablesView#getHelpContextId() |
| */ |
| protected String getHelpContextId() { |
| return IDebugHelpContextIds.EXPRESSION_VIEW; |
| } |
| |
| /* (non-Javadoc) |
| * @see org.eclipse.debug.internal.ui.views.variables.VariablesView#configureToolBar(org.eclipse.jface.action.IToolBarManager) |
| */ |
| protected void configureToolBar(IToolBarManager tbm) { |
| super.configureToolBar(tbm); |
| tbm.add(new Separator(IDebugUIConstants.EMPTY_EXPRESSION_GROUP)); |
| tbm.add(new Separator(IDebugUIConstants.EXPRESSION_GROUP)); |
| } |
| |
| /* (non-Javadoc) |
| * @see org.eclipse.debug.internal.ui.views.variables.VariablesView#fillContextMenu(org.eclipse.jface.action.IMenuManager) |
| */ |
| protected void fillContextMenu(IMenuManager menu) { |
| menu.add(new Separator(IDebugUIConstants.EMPTY_EXPRESSION_GROUP)); |
| menu.add(new Separator(IDebugUIConstants.EXPRESSION_GROUP)); |
| menu.add(getAction(VARIABLES_FIND_ELEMENT_ACTION)); |
| ChangeVariableValueAction changeValueAction = (ChangeVariableValueAction)getAction("ChangeVariableValue"); //$NON-NLS-1$ |
| if (changeValueAction.isApplicable()) { |
| menu.add(changeValueAction); |
| } |
| menu.add(new Separator()); |
| IAction action = new AvailableLogicalStructuresAction(this); |
| if (action.isEnabled()) { |
| menu.add(action); |
| } |
| action = new AvailableDetailPanesAction(this); |
| if (isDetailPaneVisible() && action.isEnabled()) { |
| menu.add(action); |
| } |
| menu.add(new Separator(IDebugUIConstants.EMPTY_RENDER_GROUP)); |
| menu.add(new Separator(IWorkbenchActionConstants.MB_ADDITIONS)); |
| } |
| |
| /* (non-Javadoc) |
| * @see org.eclipse.debug.internal.ui.views.variables.VariablesView#contextActivated(org.eclipse.jface.viewers.ISelection) |
| */ |
| protected void contextActivated(ISelection selection) { |
| if (!isAvailable() || !isVisible()) { |
| return; |
| } |
| if (selection == null || selection.isEmpty()) { |
| super.contextActivated(new StructuredSelection(DebugPlugin.getDefault().getExpressionManager())); |
| } else { |
| super.contextActivated(selection); |
| } |
| if (isAvailable() && isVisible()) { |
| updateAction("ContentAssist"); //$NON-NLS-1$ |
| } |
| } |
| |
| /* (non-Javadoc) |
| * @see org.eclipse.debug.internal.ui.views.variables.VariablesView#viewerInputUpdateComplete(IViewerInputUpdate) |
| */ |
| protected void viewerInputUpdateComplete(IViewerInputUpdate update) { |
| IStatus status = update.getStatus(); |
| if ( (status == null || status.isOK()) && update.getElement() != null) { |
| setViewerInput(update.getInputElement()); |
| } else { |
| setViewerInput(DebugPlugin.getDefault().getExpressionManager()); |
| } |
| updateAction(VARIABLES_FIND_ELEMENT_ACTION); |
| updateAction(FIND_ACTION); |
| } |
| |
| /* (non-Javadoc) |
| * @see org.eclipse.debug.internal.ui.views.variables.VariablesView#getDetailPanePreferenceKey() |
| */ |
| protected String getDetailPanePreferenceKey() { |
| return IDebugPreferenceConstants.EXPRESSIONS_DETAIL_PANE_ORIENTATION; |
| } |
| |
| /* (non-Javadoc) |
| * @see org.eclipse.debug.internal.ui.views.variables.VariablesView#getToggleActionLabel() |
| */ |
| protected String getToggleActionLabel() { |
| return VariablesViewMessages.ExpressionView_4; |
| } |
| |
| /* (non-Javadoc) |
| * @see org.eclipse.debug.internal.ui.views.variables.VariablesView#getPresentationContextId() |
| */ |
| protected String getPresentationContextId() { |
| return IDebugUIConstants.ID_EXPRESSION_VIEW; |
| } |
| |
| /* (non-Javadoc) |
| * @see org.eclipse.debug.internal.ui.views.variables.VariablesView#initDragAndDrop(org.eclipse.debug.internal.ui.viewers.model.provisional.TreeModelViewer) |
| */ |
| protected void initDragAndDrop(TreeModelViewer viewer) { |
| viewer.addDragSupport(DND.DROP_MOVE, new Transfer[] {LocalSelectionTransfer.getTransfer()}, new SelectionDragAdapter(viewer)); |
| viewer.addDropSupport(DND.DROP_MOVE|DND.DROP_COPY, new Transfer[] {LocalSelectionTransfer.getTransfer(), TextTransfer.getInstance()}, new ExpressionDropAdapter(viewer)); |
| } |
| |
| /* (non-Javadoc) |
| * @see org.eclipse.debug.internal.ui.views.variables.VariablesView#createActions() |
| */ |
| protected void createActions() { |
| super.createActions(); |
| fPasteAction = new PasteWatchExpressionsAction(this); |
| configure(fPasteAction, IWorkbenchCommandConstants.EDIT_PASTE, PASTE_ACTION, ISharedImages.IMG_TOOL_PASTE); |
| } |
| |
| /** |
| * Configures the action to override the global action, and registers the |
| * action with this view. |
| * |
| * @param action |
| * action |
| * @param defId |
| * action definition id |
| * @param globalId |
| * global action id |
| * @param imgId |
| * image identifier |
| */ |
| private void configure(IAction action, String defId, String globalId, |
| String imgId) { |
| setAction(defId, action); |
| action.setActionDefinitionId(defId); |
| getViewSite().getActionBars().setGlobalActionHandler(globalId, action); |
| action.setImageDescriptor(PlatformUI.getWorkbench().getSharedImages().getImageDescriptor(imgId)); |
| } |
| |
| /** |
| * Returns whether the given selection can be pasted into the expressions |
| * view. |
| * |
| * @param selection |
| * the selection to paste |
| * @return whether the given selection can be pasted into the given target |
| */ |
| public boolean canPaste() { |
| String clipboardText = getClipboardText(); |
| if (clipboardText != null && clipboardText.length() > 0) { |
| return true; |
| } |
| return false; |
| } |
| |
| /** |
| * Pastes the selection into the given target |
| * |
| * @param selection |
| * breakpoints |
| * @return whether successful |
| */ |
| public boolean performPaste() { |
| String clipboardText = getClipboardText(); |
| if (clipboardText != null && clipboardText.length() > 0) { |
| IExpressionManager expressionManager = DebugPlugin.getDefault().getExpressionManager(); |
| IWatchExpression watchExpression = expressionManager |
| .newWatchExpression(clipboardText); |
| expressionManager.addExpression(watchExpression); |
| watchExpression.setExpressionContext(getContext()); |
| return true; |
| } |
| return false; |
| } |
| |
| // TODO: duplicate code from WatchExpressionAction |
| protected IDebugElement getContext() { |
| IAdaptable object = DebugUITools.getDebugContext(); |
| IDebugElement context = null; |
| if (object instanceof IDebugElement) { |
| context = (IDebugElement) object; |
| } else if (object instanceof ILaunch) { |
| context = ((ILaunch) object).getDebugTarget(); |
| } |
| return context; |
| } |
| |
| protected String getClipboardText() { |
| Clipboard clipboard = new Clipboard(Display.getDefault()); |
| try { |
| TextTransfer textTransfer = TextTransfer.getInstance(); |
| return (String) clipboard.getContents(textTransfer); |
| } finally { |
| clipboard.dispose(); |
| } |
| } |
| |
| |
| } |