| /******************************************************************************* |
| * Copyright (c) 2000, 2006 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.ui.internal; |
| |
| import java.util.ArrayList; |
| |
| import org.eclipse.core.runtime.IConfigurationElement; |
| import org.eclipse.ui.IActionBars; |
| import org.eclipse.ui.IEditorActionBarContributor; |
| import org.eclipse.ui.IEditorDescriptor; |
| import org.eclipse.ui.IEditorPart; |
| import org.eclipse.ui.IWorkbenchPage; |
| import org.eclipse.ui.internal.registry.IWorkbenchRegistryConstants; |
| |
| /** |
| * This class reads the registry for extensions that plug into |
| * 'editorActions' extension point. |
| */ |
| public class EditorActionBuilder extends PluginActionBuilder { |
| private static final String TAG_CONTRIBUTION_TYPE = "editorContribution"; //$NON-NLS-1$ |
| |
| /** |
| * The constructor. |
| */ |
| public EditorActionBuilder() { |
| } |
| |
| /* (non-Javadoc) |
| * Method declared on PluginActionBuilder. |
| */ |
| protected ActionDescriptor createActionDescriptor( |
| IConfigurationElement element) { |
| return new ActionDescriptor(element, ActionDescriptor.T_EDITOR); |
| } |
| |
| /* (non-Javadoc) |
| * Method declared on PluginActionBuilder. |
| */ |
| protected BasicContribution createContribution() { |
| return new EditorContribution(); |
| } |
| |
| /** |
| * Reads and apply all external contributions for this editor's ID |
| * registered in 'editorActions' extension point. |
| */ |
| public IEditorActionBarContributor readActionExtensions( |
| IEditorDescriptor desc) { |
| ExternalContributor ext = null; |
| readContributions(desc.getId(), TAG_CONTRIBUTION_TYPE, |
| IWorkbenchRegistryConstants.PL_EDITOR_ACTIONS); |
| if (cache != null) { |
| ext = new ExternalContributor(cache); |
| cache = null; |
| } |
| return ext; |
| } |
| |
| /** |
| * Helper class to collect the menus and actions defined within a |
| * contribution element. |
| */ |
| private static class EditorContribution extends BasicContribution { |
| public void dispose() { |
| disposeActions(); |
| super.dispose(); |
| } |
| |
| public void editorChanged(IEditorPart editor) { |
| if (actions != null) { |
| for (int i = 0; i < actions.size(); i++) { |
| ActionDescriptor ad = (ActionDescriptor) actions.get(i); |
| EditorPluginAction action = (EditorPluginAction) ad |
| .getAction(); |
| action.editorChanged(editor); |
| } |
| } |
| } |
| } |
| |
| /** |
| * Helper class that will populate the menu and toobar with the external |
| * editor contributions. |
| */ |
| public static class ExternalContributor implements |
| IEditorActionBarContributor { |
| private ArrayList cache; |
| |
| public ExternalContributor(ArrayList cache) { |
| this.cache = cache; |
| } |
| |
| public void dispose() { |
| for (int i = 0; i < cache.size(); i++) { |
| ((EditorContribution) cache.get(i)).dispose(); |
| } |
| } |
| |
| public ActionDescriptor[] getExtendedActions() { |
| ArrayList results = new ArrayList(); |
| for (int i = 0; i < cache.size(); i++) { |
| EditorContribution ec = (EditorContribution) cache.get(i); |
| if (ec.actions != null) { |
| results.addAll(ec.actions); |
| } |
| } |
| return (ActionDescriptor[]) results |
| .toArray(new ActionDescriptor[results.size()]); |
| } |
| |
| public void init(IActionBars bars, IWorkbenchPage page) { |
| for (int i = 0; i < cache.size(); i++) { |
| ((EditorContribution) cache.get(i)).contribute(bars |
| .getMenuManager(), false, bars.getToolBarManager(), |
| true); |
| } |
| } |
| |
| public void setActiveEditor(IEditorPart editor) { |
| for (int i = 0; i < cache.size(); i++) { |
| ((EditorContribution) cache.get(i)).editorChanged(editor); |
| } |
| } |
| } |
| } |