/*******************************************************************************
* Copyright (c) 2003, 2007 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.activities.ws;
import java.lang.reflect.InvocationTargetException;
import java.util.HashSet;
import java.util.Set;
import org.eclipse.core.runtime.CoreException;
import org.eclipse.core.runtime.IExtension;
import org.eclipse.core.runtime.IExtensionPoint;
import org.eclipse.core.runtime.IProduct;
import org.eclipse.core.runtime.IProgressMonitor;
import org.eclipse.core.runtime.IStatus;
import org.eclipse.core.runtime.Platform;
import org.eclipse.core.runtime.dynamichelpers.ExtensionTracker;
import org.eclipse.core.runtime.dynamichelpers.IExtensionChangeHandler;
import org.eclipse.core.runtime.dynamichelpers.IExtensionTracker;
import org.eclipse.jface.action.IContributionManager;
import org.eclipse.jface.dialogs.ProgressMonitorDialog;
import org.eclipse.jface.operation.IRunnableWithProgress;
import org.eclipse.jface.resource.ImageDescriptor;
import org.eclipse.swt.custom.BusyIndicator;
import org.eclipse.ui.IActionBars;
import org.eclipse.ui.IViewPart;
import org.eclipse.ui.IViewReference;
import org.eclipse.ui.IViewSite;
import org.eclipse.ui.IWorkbench;
import org.eclipse.ui.IWorkbenchPage;
import org.eclipse.ui.IWorkbenchWindow;
import org.eclipse.ui.PlatformUI;
import org.eclipse.ui.activities.ActivityManagerEvent;
import org.eclipse.ui.activities.IActivity;
import org.eclipse.ui.activities.IActivityManager;
import org.eclipse.ui.activities.IActivityManagerListener;
import org.eclipse.ui.activities.ICategory;
import org.eclipse.ui.activities.IMutableActivityManager;
import org.eclipse.ui.activities.ITriggerPointAdvisor;
import org.eclipse.ui.activities.ITriggerPointManager;
import org.eclipse.ui.activities.IWorkbenchActivitySupport;
import org.eclipse.ui.activities.WorkbenchTriggerPointAdvisor;
import org.eclipse.ui.internal.IWorkbenchGraphicConstants;
import org.eclipse.ui.internal.WorkbenchImages;
import org.eclipse.ui.internal.WorkbenchPlugin;
import org.eclipse.ui.internal.WorkbenchWindow;
import org.eclipse.ui.internal.activities.ActivityManagerFactory;
import org.eclipse.ui.internal.activities.MutableActivityManager;
import org.eclipse.ui.internal.activities.ProxyActivityManager;
import org.eclipse.ui.internal.misc.StatusUtil;
import org.eclipse.ui.internal.registry.IWorkbenchRegistryConstants;
/**
* Implementation of {@link org.eclipse.ui.activities.IWorkbenchActivitySupport}.
* @since 3.0
*/
public class WorkbenchActivitySupport implements IWorkbenchActivitySupport, IExtensionChangeHandler {
private MutableActivityManager mutableActivityManager;
private ProxyActivityManager proxyActivityManager;
private ImageBindingRegistry activityImageBindingRegistry;
private ImageBindingRegistry categoryImageBindingRegistry;
private ITriggerPointManager triggerPointManager;
private ITriggerPointAdvisor advisor;
/**
* Create a new instance of this class.
*/
public WorkbenchActivitySupport() {
mutableActivityManager = ActivityManagerFactory
.getMutableActivityManager();
proxyActivityManager = new ProxyActivityManager(mutableActivityManager);
mutableActivityManager
.addActivityManagerListener(new IActivityManagerListener() {
private Set lastEnabled = new HashSet(
mutableActivityManager.getEnabledActivityIds());
/* (non-Javadoc)
* @see org.eclipse.ui.activities.IActivityManagerListener#activityManagerChanged(org.eclipse.ui.activities.ActivityManagerEvent)
*/
public void activityManagerChanged(
ActivityManagerEvent activityManagerEvent) {
Set activityIds = mutableActivityManager
.getEnabledActivityIds();
// only update the windows if we've not processed this new enablement state already.
if (!activityIds.equals(lastEnabled)) {
lastEnabled = new HashSet(activityIds);
// abort if the workbench isn't running
if (!PlatformUI.isWorkbenchRunning()) {
return;
}
// refresh the managers on all windows.
final IWorkbench workbench = PlatformUI
.getWorkbench();
IWorkbenchWindow[] windows = workbench
.getWorkbenchWindows();
for (int i = 0; i < windows.length; i++) {
if (windows[i] instanceof WorkbenchWindow) {
final WorkbenchWindow window = (WorkbenchWindow) windows[i];
final ProgressMonitorDialog dialog = new ProgressMonitorDialog(
window.getShell());
final IRunnableWithProgress runnable = new IRunnableWithProgress() {
/**
* When this operation should open a dialog
*/
private long openTime;
/**
* Whether the dialog has been opened yet.
*/
private boolean dialogOpened = false;
/* (non-Javadoc)
* @see org.eclipse.jface.operation.IRunnableWithProgress#run(org.eclipse.core.runtime.IProgressMonitor)
*/
public void run(IProgressMonitor monitor) {
openTime = System
.currentTimeMillis()
+ workbench
.getProgressService()
.getLongOperationTime();
//two work units - updating the window bars, and updating view bars
monitor
.beginTask(
ActivityMessages.ManagerTask, 2);
monitor
.subTask(ActivityMessages.ManagerWindowSubTask);
//update window managers...
updateWindowBars(window);
monitor.worked(1);
monitor
.subTask(ActivityMessages.ManagerViewsSubTask);
// update all of the (realized) views in all of the pages
IWorkbenchPage[] pages = window
.getPages();
for (int j = 0; j < pages.length; j++) {
IWorkbenchPage page = pages[j];
IViewReference[] refs = page
.getViewReferences();
for (int k = 0; k < refs.length; k++) {
IViewPart part = refs[k]
.getView(false);
if (part != null) {
updateViewBars(part);
}
}
}
monitor.worked(1);
monitor.done();
}
/**
* Update the managers on the given given view.
*
* @param part the view to update
*/
private void updateViewBars(
IViewPart part) {
IViewSite viewSite = part
.getViewSite();
// check for badly behaving or badly initialized views
if (viewSite == null) {
return;
}
IActionBars bars = viewSite
.getActionBars();
IContributionManager manager = bars
.getMenuManager();
if (manager != null) {
updateManager(manager);
}
manager = bars.getToolBarManager();
if (manager != null) {
updateManager(manager);
}
manager = bars
.getStatusLineManager();
if (manager != null) {
updateManager(manager);
}
}
/**
* Update the managers on the given window.
*
* @param window the window to update
*/
private void updateWindowBars(
final WorkbenchWindow window) {
IContributionManager manager = window
.getMenuBarManager();
if (manager != null) {
updateManager(manager);
}
manager = window
.getCoolBarManager2();
if (manager != null) {
updateManager(manager);
}
manager = window
.getToolBarManager2();
if (manager != null) {
updateManager(manager);
}
manager = window
.getStatusLineManager();
if (manager != null) {
updateManager(manager);
}
}
/**
* Update the given manager in the UI thread.
* This may also open the progress dialog if
* the operation is taking too long.
*
* @param manager the manager to update
*/
private void updateManager(
final IContributionManager manager) {
if (!dialogOpened
&& System
.currentTimeMillis() > openTime) {
dialog.open();
dialogOpened = true;
}
manager.update(true);
}
};
// don't open the dialog by default - that'll be
// handled by the runnable if we take too long
dialog.setOpenOnRun(false);
// run this in the UI thread
workbench.getDisplay().asyncExec(
new Runnable() {
/* (non-Javadoc)
* @see java.lang.Runnable#run()
*/
public void run() {
BusyIndicator
.showWhile(
workbench
.getDisplay(),
new Runnable() {
/* (non-Javadoc)
* @see java.lang.Runnable#run()
*/
public void run() {
try {
dialog
.run(
false,
false,
runnable);
} catch (InvocationTargetException e) {
log(e);
} catch (InterruptedException e) {
log(e);
}
}
});
}
});
}
}
}
}
/**
* Logs an error message to the workbench log.
*
* @param e the exception to log
*/
private void log(Exception e) {
StatusUtil.newStatus(IStatus.ERROR,
"Could not update contribution managers", e); //$NON-NLS-1$
}
});
triggerPointManager = new TriggerPointManager();
IExtensionTracker tracker = PlatformUI.getWorkbench().getExtensionTracker();
tracker.registerHandler(this, ExtensionTracker.createExtensionPointFilter(getActivitySupportExtensionPoint()));
}
/* (non-Javadoc)
* @see org.eclipse.ui.activities.IWorkbenchActivitySupport#getActivityManager()
*/
public IActivityManager getActivityManager() {
return proxyActivityManager;
}
/* (non-Javadoc)
* @see org.eclipse.ui.activities.IWorkbenchActivitySupport#setEnabledActivityIds(java.util.Set)
*/
public void setEnabledActivityIds(Set enabledActivityIds) {
mutableActivityManager.setEnabledActivityIds(enabledActivityIds);
}
/* (non-Javadoc)
* @see org.eclipse.ui.activities.IWorkbenchActivitySupport#getImageDescriptor(org.eclipse.ui.activities.IActivity)
*/
public ImageDescriptor getImageDescriptor(IActivity activity) {
if (activity.isDefined()) {
ImageDescriptor descriptor = getActivityImageBindingRegistry()
.getImageDescriptor(activity.getId());
if (descriptor != null) {
return descriptor;
}
}
return WorkbenchImages
.getImageDescriptor(IWorkbenchGraphicConstants.IMG_OBJ_ACTIVITY);
}
/* (non-Javadoc)
* @see org.eclipse.ui.activities.IWorkbenchActivitySupport#getImageDescriptor(org.eclipse.ui.activities.ICategory)
*/
public ImageDescriptor getImageDescriptor(ICategory category) {
if (category.isDefined()) {
ImageDescriptor descriptor = getCategoryImageBindingRegistry()
.getImageDescriptor(category.getId());
if (descriptor != null) {
return descriptor;
}
}
return WorkbenchImages
.getImageDescriptor(IWorkbenchGraphicConstants.IMG_OBJ_ACTIVITY_CATEGORY);
}
/**
* Return the activity image registry.
*
* @return the activity image registry
* @since 3.1
*/
private ImageBindingRegistry getActivityImageBindingRegistry() {
if (activityImageBindingRegistry == null) {
activityImageBindingRegistry = new ImageBindingRegistry(IWorkbenchRegistryConstants.TAG_ACTIVITY_IMAGE_BINDING);
PlatformUI
.getWorkbench()
.getExtensionTracker()
.registerHandler(
activityImageBindingRegistry,
ExtensionTracker
.createExtensionPointFilter(getActivitySupportExtensionPoint()));
}
return activityImageBindingRegistry;
}
/**
* Return the category image registry.
*
* @return the category image registry
* @since 3.1
*/
private ImageBindingRegistry getCategoryImageBindingRegistry() {
if (categoryImageBindingRegistry == null) {
categoryImageBindingRegistry = new ImageBindingRegistry(IWorkbenchRegistryConstants.TAG_CATEGORY_IMAGE_BINDING);
PlatformUI
.getWorkbench()
.getExtensionTracker()
.registerHandler(
categoryImageBindingRegistry,
ExtensionTracker
.createExtensionPointFilter(getActivitySupportExtensionPoint()));
}
return categoryImageBindingRegistry;
}
/**
* Dispose of the image registries.
*
* @since 3.1
*/
public void dispose() {
if (activityImageBindingRegistry != null) {
activityImageBindingRegistry.dispose();
PlatformUI.getWorkbench().getExtensionTracker().unregisterHandler(activityImageBindingRegistry);
}
if (categoryImageBindingRegistry != null) {
categoryImageBindingRegistry.dispose();
PlatformUI.getWorkbench().getExtensionTracker().unregisterHandler(categoryImageBindingRegistry);
}
PlatformUI.getWorkbench().getExtensionTracker().unregisterHandler(this);
}
/**
* Return the trigger point advisor.
*
* TODO: should this be part of the interface?
*
* @return the trigger point advisor
* @since 3.1
*/
public ITriggerPointAdvisor getTriggerPointAdvisor() {
if (advisor != null) {
return advisor;
}
IProduct product = Platform.getProduct();
if (product != null) {
TriggerPointAdvisorDescriptor descriptor = TriggerPointAdvisorRegistry
.getInstance().getAdvisorForProduct(product.getId());
if (descriptor != null) {
try {
advisor = descriptor.createAdvisor();
} catch (CoreException e) {
WorkbenchPlugin.log("could not create trigger point advisor", e); //$NON-NLS-1$
}
}
}
if (advisor == null) {
advisor = new WorkbenchTriggerPointAdvisor();
}
return advisor;
}
/* (non-Javadoc)
* @see org.eclipse.ui.activities.IWorkbenchActivitySupport#getTriggerPointManager()
*/
public ITriggerPointManager getTriggerPointManager() {
return triggerPointManager;
}
/* (non-Javadoc)
* @see org.eclipse.core.runtime.dynamicHelpers.IExtensionChangeHandler#addExtension(org.eclipse.core.runtime.dynamicHelpers.IExtensionTracker, org.eclipse.core.runtime.IExtension)
*/
public void addExtension(IExtensionTracker tracker, IExtension extension) {
// reset the advisor if it's the "default" advisor.
// this will give getAdvisor the chance to find a proper trigger/binding if
// it exists.
if (advisor != null && advisor.getClass().equals(WorkbenchTriggerPointAdvisor.class)) {
advisor = null;
}
}
/**
* Return the activity support extension point.
*
* @return the activity support extension point.
* @since 3.1
*/
private IExtensionPoint getActivitySupportExtensionPoint() {
return Platform.getExtensionRegistry().getExtensionPoint(
PlatformUI.PLUGIN_ID, IWorkbenchRegistryConstants.PL_ACTIVITYSUPPORT);
}
/* (non-Javadoc)
* @see org.eclipse.core.runtime.dynamicHelpers.IExtensionChangeHandler#removeExtension(org.eclipse.core.runtime.IExtension, java.lang.Object[])
*/
public void removeExtension(IExtension extension, Object[] objects) {
for (int i = 0; i < objects.length; i++) {
if (objects[i] == advisor) {
advisor = null;
break;
}
}
}
/* (non-Javadoc)
* @see org.eclipse.ui.activities.IWorkbenchActivitySupport#createWorkingCopy()
*/
public IMutableActivityManager createWorkingCopy() {
MutableActivityManager clone = (MutableActivityManager) mutableActivityManager.clone();
clone.unhookRegistryListeners();
return clone;
}
}