| /******************************************************************************* |
| * Copyright (c) 2004, 2009 Tasktop Technologies 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: |
| * Tasktop Technologies - initial API and implementation |
| *******************************************************************************/ |
| |
| package org.eclipse.mylyn.internal.context.ui; |
| |
| import java.util.HashSet; |
| import java.util.Set; |
| |
| import org.eclipse.jface.preference.IPreferenceStore; |
| import org.eclipse.mylyn.tasks.core.ITask; |
| import org.eclipse.mylyn.tasks.core.ITaskActivationListener; |
| import org.eclipse.ui.IPerspectiveDescriptor; |
| import org.eclipse.ui.IPerspectiveListener4; |
| import org.eclipse.ui.IWorkbenchPage; |
| import org.eclipse.ui.IWorkbenchPartReference; |
| import org.eclipse.ui.IWorkbenchWindow; |
| import org.eclipse.ui.PlatformUI; |
| import org.eclipse.ui.internal.Perspective; |
| import org.eclipse.ui.internal.WorkbenchPage; |
| import org.eclipse.ui.internal.registry.IActionSetDescriptor; |
| |
| /** |
| * @author Mik Kersten |
| * @author Shawn Minto |
| */ |
| public class ContextPerspectiveManager implements ITaskActivationListener, IPerspectiveListener4 { |
| |
| private final Set<String> managedPerspectiveIds; |
| |
| private final Set<String> actionSetsToSuppress; |
| |
| private final IPreferenceStore preferenceStore; |
| |
| public ContextPerspectiveManager(IPreferenceStore preferenceStore) { |
| this.preferenceStore = preferenceStore; |
| this.managedPerspectiveIds = new HashSet<String>(); |
| this.actionSetsToSuppress = new HashSet<String>(); |
| actionSetsToSuppress.add("org.eclipse.ui.edit.text.actionSet.annotationNavigation"); //$NON-NLS-1$ |
| actionSetsToSuppress.add("org.eclipse.ui.edit.text.actionSet.convertLineDelimitersTo"); //$NON-NLS-1$ |
| actionSetsToSuppress.add("org.eclipse.ui.externaltools.ExternalToolsSet"); //$NON-NLS-1$ |
| } |
| |
| public void addManagedPerspective(String id) { |
| managedPerspectiveIds.add(id); |
| } |
| |
| public void removeManagedPerspective(String id) { |
| managedPerspectiveIds.remove(id); |
| } |
| |
| public void taskActivated(ITask task) { |
| try { |
| IWorkbenchWindow launchingWindow = getWorkbenchWindow(); |
| if (launchingWindow != null) { |
| IPerspectiveDescriptor descriptor = launchingWindow.getActivePage().getPerspective(); |
| setPerspectiveIdFor(null, descriptor.getId()); |
| |
| String perspectiveId = getPerspectiveIdFor(task); |
| showPerspective(perspectiveId); |
| } |
| } catch (Exception e) { |
| // ignore, perspective may not have been saved, e.g. due to crash |
| } |
| } |
| |
| public void taskDeactivated(ITask task) { |
| try { |
| if (PlatformUI.isWorkbenchRunning() |
| && ContextUiPlugin.getDefault().getPreferenceStore().getBoolean( |
| IContextUiPreferenceContstants.AUTO_MANAGE_PERSPECTIVES)) { |
| IWorkbenchWindow launchingWindow = getWorkbenchWindow(); |
| if (launchingWindow != null) { |
| IPerspectiveDescriptor descriptor = launchingWindow.getActivePage().getPerspective(); |
| setPerspectiveIdFor(task, descriptor.getId()); |
| |
| String previousPerspectiveId = getPerspectiveIdFor(null); |
| showPerspective(previousPerspectiveId); |
| } |
| } |
| } catch (Exception e) { |
| // ignore, perspective may not have been saved, e.g. due to crash |
| } |
| } |
| |
| private void showPerspective(String perspectiveId) { |
| if (perspectiveId != null |
| && perspectiveId.length() > 0 |
| && ContextUiPlugin.getDefault().getPreferenceStore().getBoolean( |
| IContextUiPreferenceContstants.AUTO_MANAGE_PERSPECTIVES)) { |
| IWorkbenchWindow launchingWindow = getWorkbenchWindow(); |
| try { |
| if (launchingWindow != null) { |
| launchingWindow.getShell().setRedraw(false); |
| PlatformUI.getWorkbench().showPerspective(perspectiveId, launchingWindow); |
| } |
| } catch (Exception e) { |
| // perspective's preserved id not found, ignore |
| } finally { |
| if (launchingWindow != null) { |
| launchingWindow.getShell().setRedraw(true); |
| } |
| } |
| } |
| } |
| |
| public IWorkbenchWindow getWorkbenchWindow() { |
| IWorkbenchWindow window = PlatformUI.getWorkbench().getActiveWorkbenchWindow(); |
| if (window == null) { |
| IWorkbenchWindow[] windows = PlatformUI.getWorkbench().getWorkbenchWindows(); |
| if (windows.length > 0) { |
| window = windows[0]; |
| } |
| } |
| return window; |
| } |
| |
| public void perspectivePreDeactivate(IWorkbenchPage page, IPerspectiveDescriptor perspective) { |
| // ignore |
| } |
| |
| public void perspectiveClosed(IWorkbenchPage page, IPerspectiveDescriptor perspective) { |
| // ignore |
| } |
| |
| public void perspectiveDeactivated(IWorkbenchPage page, IPerspectiveDescriptor perspective) { |
| // ignore |
| } |
| |
| public void perspectiveOpened(IWorkbenchPage page, IPerspectiveDescriptor perspective) { |
| cleanActionSets(page, perspective); |
| } |
| |
| public void perspectiveSavedAs(IWorkbenchPage page, IPerspectiveDescriptor oldPerspective, |
| IPerspectiveDescriptor newPerspective) { |
| // ignore |
| } |
| |
| public void perspectiveChanged(IWorkbenchPage page, IPerspectiveDescriptor perspective, |
| IWorkbenchPartReference partRef, String changeId) { |
| // ignore |
| } |
| |
| public void perspectiveActivated(IWorkbenchPage page, IPerspectiveDescriptor perspectiveDescriptor) { |
| cleanActionSets(page, perspectiveDescriptor); |
| } |
| |
| private void cleanActionSets(IWorkbenchPage page, IPerspectiveDescriptor perspectiveDescriptor) { |
| if (managedPerspectiveIds.contains(perspectiveDescriptor.getId())) { |
| if (page instanceof WorkbenchPage) { |
| Perspective perspective = ((WorkbenchPage) page).getActivePerspective(); |
| |
| Set<IActionSetDescriptor> toRemove = new HashSet<IActionSetDescriptor>(); |
| IActionSetDescriptor[] actionSetDescriptors = ((WorkbenchPage) page).getActionSets(); |
| for (IActionSetDescriptor actionSetDescriptor : actionSetDescriptors) { |
| if (actionSetsToSuppress.contains(actionSetDescriptor.getId())) { |
| toRemove.add(actionSetDescriptor); |
| } |
| } |
| perspective.turnOffActionSets(toRemove.toArray(new IActionSetDescriptor[toRemove.size()])); |
| } |
| } |
| } |
| |
| public void perspectiveChanged(IWorkbenchPage page, IPerspectiveDescriptor perspective, String changeId) { |
| // ignore |
| } |
| |
| public void preTaskActivated(ITask task) { |
| // ignore |
| } |
| |
| public void preTaskDeactivated(ITask task) { |
| // ignore |
| } |
| |
| /** |
| * @param task |
| * can be null to indicate no task |
| */ |
| private String getPerspectiveIdFor(ITask task) { |
| if (task != null) { |
| return preferenceStore.getString(IContextUiPreferenceContstants.PREFIX_TASK_TO_PERSPECTIVE |
| + task.getHandleIdentifier()); |
| } else { |
| return preferenceStore.getString(IContextUiPreferenceContstants.PERSPECTIVE_NO_ACTIVE_TASK); |
| } |
| } |
| |
| /** |
| * @param task |
| * can be null to indicate no task |
| */ |
| private void setPerspectiveIdFor(ITask task, String perspectiveId) { |
| if (task != null) { |
| preferenceStore.setValue(IContextUiPreferenceContstants.PREFIX_TASK_TO_PERSPECTIVE |
| + task.getHandleIdentifier(), perspectiveId); |
| } else { |
| preferenceStore.setValue(IContextUiPreferenceContstants.PERSPECTIVE_NO_ACTIVE_TASK, perspectiveId); |
| } |
| } |
| |
| } |