| /******************************************************************************* |
| * Copyright (c) 2004, 2007 Mylyn project committers 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 |
| *******************************************************************************/ |
| |
| package org.eclipse.mylyn.context.ui; |
| |
| import org.eclipse.core.runtime.IStatus; |
| import org.eclipse.core.runtime.Status; |
| import org.eclipse.jface.action.IAction; |
| import org.eclipse.mylyn.commons.core.StatusHandler; |
| import org.eclipse.mylyn.context.core.AbstractContextListener; |
| import org.eclipse.mylyn.context.core.ContextCore; |
| import org.eclipse.mylyn.context.core.IInteractionContext; |
| import org.eclipse.mylyn.internal.context.ui.ContextUiPlugin; |
| import org.eclipse.mylyn.internal.context.ui.IContextUiPreferenceContstants; |
| import org.eclipse.ui.IViewPart; |
| import org.eclipse.ui.PlatformUI; |
| |
| /** |
| * Extend to focus a view on task context, e.g. the filtering and expansion of a tree view such as the Package Explorer. |
| * A structure bridge should be implemented or reused to determine the degree-of-interest of elements in the view. |
| * |
| * @author Mik Kersten |
| * @since 2.0 |
| */ |
| public abstract class AbstractAutoFocusViewAction extends AbstractFocusViewAction { |
| |
| private boolean initialized = false; |
| |
| private final AbstractContextListener CONTEXT_LISTENER = new AbstractContextListener() { |
| |
| @Override |
| public void contextActivated(IInteractionContext context) { |
| if (ContextUiPlugin.getDefault().getPreferenceStore().getBoolean( |
| IContextUiPreferenceContstants.AUTO_FOCUS_NAVIGATORS)) { |
| AbstractAutoFocusViewAction.super.internalSuppressExpandAll = true; |
| AbstractAutoFocusViewAction.super.update(true); |
| } else { |
| AbstractAutoFocusViewAction.super.internalSuppressExpandAll = true; |
| AbstractAutoFocusViewAction.super.update(false); |
| } |
| } |
| }; |
| |
| public AbstractAutoFocusViewAction(InterestFilter interestFilter, boolean manageViewer, boolean manageFilters, |
| boolean manageLinking) { |
| super(interestFilter, manageViewer, manageFilters, manageLinking); |
| ContextCore.getContextManager().addListener(CONTEXT_LISTENER); |
| } |
| |
| @Override |
| public void dispose() { |
| super.dispose(); |
| ContextCore.getContextManager().removeListener(CONTEXT_LISTENER); |
| } |
| |
| @Override |
| public void init(IViewPart view) { |
| super.init(view); |
| configureAction(); |
| } |
| |
| @Override |
| public void init(IAction action) { |
| super.init(action); |
| configureAction(); |
| } |
| |
| private void configureAction() { |
| if (initialized) { |
| return; |
| } |
| initialized = true; |
| |
| // can not run this until the view has been initialized |
| PlatformUI.getWorkbench().getDisplay().asyncExec(new Runnable() { |
| public void run() { |
| try { |
| if (ContextCore.getContextManager().isContextActive() |
| && ContextUiPlugin.getDefault().getPreferenceStore().getBoolean( |
| IContextUiPreferenceContstants.AUTO_FOCUS_NAVIGATORS)) { |
| internalSuppressExpandAll = true; |
| update(true); |
| } |
| } catch (Exception e) { |
| StatusHandler.log(new Status(IStatus.ERROR, ContextUiPlugin.ID_PLUGIN, |
| "Could not toggle focus action on view: " + getPartForAction(), e)); |
| } |
| } |
| }); |
| } |
| } |