| /******************************************************************************* |
| * Copyright (c) 2005, 2017 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 implementation |
| *******************************************************************************/ |
| package org.eclipse.debug.internal.ui.views.variables; |
| |
| import org.eclipse.debug.core.DebugException; |
| import org.eclipse.debug.core.DebugPlugin; |
| import org.eclipse.debug.core.ILogicalStructureType; |
| import org.eclipse.debug.core.model.IValue; |
| import org.eclipse.debug.core.model.IVariable; |
| import org.eclipse.debug.internal.ui.DebugUIPlugin; |
| import org.eclipse.jface.action.Action; |
| import org.eclipse.jface.action.IAction; |
| import org.eclipse.jface.viewers.ISelection; |
| import org.eclipse.jface.viewers.IStructuredSelection; |
| import org.eclipse.ui.IWorkbenchPart; |
| import org.eclipse.ui.dialogs.PreferencesUtil; |
| |
| /** |
| * Action which prompts the user to edit the logical structure that |
| * is currently active on the given object. |
| */ |
| public class EditVariableLogicalStructureAction extends Action { |
| |
| /** |
| * The editable structure for the currently selected variable or |
| * <code>null</code> if none. |
| */ |
| private ILogicalStructureType fStructure = null; |
| private VariablesView fView = null; |
| |
| public EditVariableLogicalStructureAction(VariablesView view) { |
| super(); |
| fView = view; |
| ISelection selection = view.getViewer().getSelection(); |
| if (selection != null) { |
| init(selection); |
| } |
| } |
| |
| /* |
| * (non-Javadoc) |
| * @see |
| * org.eclipse.ui.IObjectActionDelegate#setActivePart(org.eclipse.jface. |
| * action.IAction, org.eclipse.ui.IWorkbenchPart) |
| */ |
| public void setActivePart(IAction action, IWorkbenchPart targetPart) { |
| } |
| |
| /** |
| * Prompt the user to edit the logical structure associated with the currently |
| * selected variable. |
| */ |
| @Override |
| public void run() { |
| PreferencesUtil.createPreferenceDialogOn(DebugUIPlugin.getShell(), "org.eclipse.jdt.debug.ui.JavaLogicalStructuresPreferencePage", //$NON-NLS-1$ |
| new String[] { "org.eclipse.jdt.debug.ui.JavaDetailFormattersPreferencePage", //$NON-NLS-1$ |
| "org.eclipse.jdt.debug.ui.JavaLogicalStructuresPreferencePage", //$NON-NLS-1$ |
| "org.eclipse.jdt.debug.ui.heapWalking", //$NON-NLS-1$ |
| "org.eclipse.jdt.debug.ui.JavaPrimitivesPreferencePage" }, (fStructure != null) //$NON-NLS-1$ |
| ? fStructure.getId() + fStructure.getDescription() + fStructure.hashCode() |
| : null).open(); |
| } |
| |
| private void init(ISelection selection) { |
| fStructure= null; |
| Object element = ((IStructuredSelection) selection).getFirstElement(); |
| if (element instanceof IVariable) { |
| try { |
| IValue value= ((IVariable) element).getValue(); |
| ILogicalStructureType type= getLogicalStructure(value); |
| fStructure = type; |
| } catch (DebugException e) { |
| DebugUIPlugin.log(e.getStatus()); |
| } |
| } |
| setEnabled(fView.isShowLogicalStructure()); |
| } |
| |
| /** |
| * Returns the logical structure currently associated with the given |
| * value or <code>null</code> if none. |
| * @param value the value |
| * @return the logical structure currently associated with the given |
| * value or <code>null</code> if none. |
| */ |
| private ILogicalStructureType getLogicalStructure(IValue value) { |
| // This code is based on VariablesViewContentProvider#getLogicalValue(IValue) |
| ILogicalStructureType type = null; |
| ILogicalStructureType[] types = DebugPlugin.getLogicalStructureTypes(value); |
| if (types.length > 0) { |
| type= DebugPlugin.getDefaultStructureType(types); |
| } |
| return type; |
| } |
| } |