org.eclipse.debug.ui/ui/org/eclipse/debug/internal/ui/preferences/DebugActionGroupsManager.java - gerrit/platform/eclipse.platform.debug - Git at Google

 package org.eclipse.debug.internal.ui.preferences;

 /*
  * (c) Copyright IBM Corp. 2002.
  * All Rights Reserved.
  */

 import java.text.MessageFormat;
 import java.util.ArrayList;
 import java.util.Collection;
 import java.util.Collections;
 import java.util.HashMap;
 import java.util.Iterator;
 import java.util.List;
 import java.util.Map;
 import java.util.StringTokenizer;

 import org.eclipse.core.runtime.IConfigurationElement;
 import org.eclipse.core.runtime.IExtensionPoint;
 import org.eclipse.core.runtime.IPluginDescriptor;
 import org.eclipse.debug.internal.ui.DebugUIPlugin;
 import org.eclipse.debug.ui.AbstractDebugView;
 import org.eclipse.debug.ui.IDebugUIConstants;
 import org.eclipse.debug.ui.IDebugView;
 import org.eclipse.jface.action.ActionContributionItem;
 import org.eclipse.jface.action.IContributionItem;
 import org.eclipse.jface.action.IMenuListener;
 import org.eclipse.jface.action.IMenuManager;
 import org.eclipse.jface.action.IToolBarManager;
 import org.eclipse.jface.action.MenuManager;
 import org.eclipse.jface.resource.ImageDescriptor;
 import org.eclipse.swt.SWT;
 import org.eclipse.swt.graphics.Image;
 import org.eclipse.swt.widgets.Display;
 import org.eclipse.swt.widgets.Event;
 import org.eclipse.swt.widgets.Menu;
 import org.eclipse.ui.IActionBars;
 import org.eclipse.ui.IViewPart;

 public class DebugActionGroupsManager implements IMenuListener {

 	// constants indicating action locations
 	public static final int TYPE_TOOLBAR = 0;
 	public static final int TYPE_VIEW_MENU = 1;
 	public static final int TYPE_CONTEXT_MENU = 2;

 	protected List fDebugViews= new ArrayList(6);
 	protected Map fDebugViewsWithMenu= new HashMap(6);
 	protected Map fDebugActionGroups;
 	protected Map fDebugActionGroupActionIds;
 	protected Map fDebugActionGroupActions = new HashMap();

 	protected static DebugActionGroupsManager fgManager;

 	private DebugActionGroupsManager() {
 		//@see getDefault()
 	}

 	/**
 	 * Returns the debug action groups manager
 	 */
 	public static DebugActionGroupsManager getDefault() {
 		if (fgManager == null) {
 			fgManager = new DebugActionGroupsManager();
 			fgManager.startup();
 		}
 		return fgManager;
 	}

 	/**
 	 * Returns whether the singleton instance of the manager exists
 	 */
 	public static boolean defaultExists() {
 		return fgManager != null;
 	}

 	/**
 	 * Called by the debug ui plug-in on startup.
 	 */
 	public void startup() {
 		initialize();
 	}

 	/**
 	 * Called by the debug ui plug-in on shutdown.
 	 */
 	public void shutdown() {
 		for (Iterator iterator = fDebugActionGroupActions.values().iterator(); iterator.hasNext();) {
 			List actions= (List)iterator.next();
 			for (Iterator itr = actions.iterator(); itr.hasNext();) {
 				DebugActionGroupAction action = (DebugActionGroupAction) itr.next();
 				action.dispose();
 			}
 		}
 	}

 	private List persistedEnabledActionGroups() {

 		String enabled= DebugUIPlugin.getDefault().getPreferenceStore().getString(IDebugPreferenceConstants.PREF_ENABLED_DEBUG_ACTION_GROUPS);
 		if (enabled != null) {
 			return parseList(enabled);
 		}
 		return Collections.EMPTY_LIST;
 	}

 	private List persistedDisabledActionGroups() {

 		String enabled= DebugUIPlugin.getDefault().getPreferenceStore().getString(IDebugPreferenceConstants.PREF_DISABLED_DEBUG_ACTION_GROUPS);
 		if (enabled != null) {
 			return parseList(enabled);
 		}
 		return Collections.EMPTY_LIST;
 	}

 	/**
 	 * Create the mapping of actions to debug action groups
 	 */
 	private void initialize() {
 		IPluginDescriptor descriptor = DebugUIPlugin.getDefault().getDescriptor();
 		IExtensionPoint extensionPoint =
 			descriptor.getExtensionPoint(IDebugUIConstants.EXTENSION_POINT_DEBUG_ACTION_GROUPS);
 		IConfigurationElement[] infos = extensionPoint.getConfigurationElements();
 		if (infos.length == 0) {
 			return;
 		}

 		fDebugActionGroupActionIds = new HashMap();
 		fDebugActionGroups = new HashMap(10);
 		List userEnabledGroups= persistedEnabledActionGroups();
 		List userDisabledGroups= persistedDisabledActionGroups();

 		for (int i = 0; i < infos.length; i++) {
 			IConfigurationElement configurationElement = infos[i];
 			String id = configurationElement.getAttribute("id"); //$NON-NLS-1$
 			String visible = configurationElement.getAttribute("visible"); //$NON-NLS-1$
 			boolean isVisible = true;
 			if (visible != null) {
 				isVisible = Boolean.valueOf(visible).booleanValue();
 			}
 			if (!isVisible && userEnabledGroups.contains(id)) {
 				isVisible= true;
 			} else if (isVisible && userDisabledGroups.contains(id)) {
 				isVisible= false;
 			}

 			String name = configurationElement.getAttribute("name"); //$NON-NLS-1$

 			if (id != null && name != null) {
 				if (fDebugActionGroups.get(id) != null) {
 					//duplicate id..report error and ignore extension
 					DebugUIPlugin.logErrorMessage(MessageFormat.format(DebugPreferencesMessages.getString("DebugActionGroupsManager.Duplicate_action_group_id"), new String[]{id})); //$NON-NLS-1$
 					continue;
 				}

 				IConfigurationElement[] children = configurationElement.getChildren();
 				if (children.length == 0) {
 					//empty action group
 					continue;
 				}
 				DebugActionGroup viewActionSet = new DebugActionGroup(id, name, isVisible);
 				fDebugActionGroups.put(id, viewActionSet);
 				for (int j = 0; j < children.length; j++) {
 					IConfigurationElement actionElement = children[j];
 					String actionId = actionElement.getAttribute("id"); //$NON-NLS-1$
 					if (actionId != null) {
 						viewActionSet.add(actionId);
 						fDebugActionGroupActionIds.put(actionId, viewActionSet.getId());
 					}
 				}

 			} else {
 				// invalid debug action group
 				String errorId= ""; //$NON-NLS-1$
 				if (id != null) {
 					errorId= ": "  + id; //$NON-NLS-1$
 				}
 				DebugUIPlugin.logErrorMessage(DebugPreferencesMessages.getString("DebugActionGroupsManager.Improperly_specified_debug_action_group_4") + errorId); //$NON-NLS-1$
 			}
 		}
 	}

 	/**
 	 * Updates the debug view groups for all registered views.
 	 */
 	public void updateDebugActionGroups() {
 		for (Iterator iterator = fDebugViews.iterator(); iterator.hasNext();) {
 			IDebugView view = (IDebugView) iterator.next();
 			updateDebugActionGroups(view);
 		}
 	}

 	protected void updateDebugActionGroups(IViewPart viewPart) {
 		IDebugView debugView= (IDebugView)viewPart.getAdapter(IDebugView.class);
 		if (debugView == null) {
 			return;
 		}

 		IActionBars actionBars = viewPart.getViewSite().getActionBars();
 		IToolBarManager toolBarManager = actionBars.getToolBarManager();
 		boolean refresh = false;
 		if (processContributionItems(toolBarManager.getItems(), viewPart.getTitle(), viewPart.getSite().getId(),TYPE_TOOLBAR)) {
 			toolBarManager.markDirty();
 			refresh = true;
 		}
 		IMenuManager menuManager = actionBars.getMenuManager();
 		if (processContributionItems(menuManager.getItems(), viewPart.getTitle(), viewPart.getSite().getId(), TYPE_VIEW_MENU)) {
 			menuManager.markDirty();
 			refresh = true;
 		}

 		if (refresh) {
 			actionBars.updateActionBars();
 		}
 	}

 	protected boolean processContributionItems(IContributionItem[] items, String viewName, String viewId, int type) {
 		boolean visibilityChanged = false;
 		for (int i = 0; i < items.length; i++) {
 			IContributionItem iContributionItem = items[i];
 			if (!(iContributionItem instanceof ActionContributionItem)) {
 				continue;
 			}
 			ActionContributionItem item= (ActionContributionItem)iContributionItem;
 			String id = item.getId();
 			if (id != null) {
 				String viewActionSetId = (String) fDebugActionGroupActionIds.get(id);
 				if (viewActionSetId != null) {
 					DebugActionGroup actionSet = (DebugActionGroup) fDebugActionGroups.get(viewActionSetId);
 					if (actionSet != null) {
 						iContributionItem.setVisible(actionSet.isVisible());
 						visibilityChanged = true;
 						DebugActionGroupAction action= new DebugActionGroupAction(id, item.getAction().getText(), viewName, viewId, item.getAction().getImageDescriptor(), type);
 						List actions= (List)fDebugActionGroupActions.get(id);
 						if (actions == null) {
 							actions= new ArrayList(1);
 							actions.add(action);
 							fDebugActionGroupActions.put(id, actions);
 						} else if (!actions.contains(action)) {
 							actions.add(action);
 						}
 					}
 				}
 			}
 		}
 		return visibilityChanged;
 	}

 	/**
 	 * Adds this view to the collections of views that are
 	 * affected by debug action groups.  Has no effect if the view was
 	 * previously registered.
 	 */
 	public void registerView(final IDebugView view) {
 		if (fDebugActionGroupActionIds == null || fDebugViews.contains(view)) {
 			return;
 		}
 		List menus= null;
 		if (view instanceof AbstractDebugView) {
 			menus= ((AbstractDebugView)view).getContextMenuManagers();
 		}
 		if (menus == null) {
 			menus= new ArrayList(1);
 			menus.add(view.getContextMenuManager());
 		}
 		Iterator itr= menus.iterator();
 		while (itr.hasNext()) {
 			IMenuManager menu = (IMenuManager) itr.next();
 			if (menu != null) {
 				menu.addMenuListener(this);
 			}

 		}

 		final List contextMenus= menus;
 		final Display display= view.getSite().getPage().getWorkbenchWindow().getShell().getDisplay();
 		if (display != null && !display.isDisposed()) {
 			display.asyncExec(new Runnable() {
 				public void run() {
 					if (!display.isDisposed()) {
 						updateDebugActionGroups(view);
 						fDebugViews.add(view);
 						Iterator itr= contextMenus.iterator();
 						while (itr.hasNext()) {
 							IMenuManager menu = (IMenuManager)itr.next();
 							if (menu != null) {
 								fDebugViewsWithMenu.put(menu, view);
 								//fake a showing of the context menu to get a
 								//look at all of the items in the menu
 								Menu swtMenu= ((MenuManager)menu).getMenu();
 								if (!swtMenu.isDisposed()) {
 									swtMenu.notifyListeners(SWT.Show, new Event());
 									swtMenu.notifyListeners(SWT.Hide, new Event());
 								}
 							}
 						}
 					}
 				}
 			});
 		}
 	}

 	/**
 	 * Removes this view from the collections of views that are
 	 * affected by debug action groups.  Has no effect if the view was
 	 * not previously registered.
 	 */
 	public void deregisterView(IDebugView view) {
 		if (fDebugActionGroupActionIds != null && fDebugViews.remove(view)) {
 			List managers= null;
 			if (view instanceof AbstractDebugView) {
 				managers= ((AbstractDebugView)view).getContextMenuManagers();
 			}
 			if (managers == null) {
 				managers= new ArrayList(1);
 				managers.add(view.getContextMenuManager());
 			}
 			Iterator mitr= managers.iterator();
 			while (mitr.hasNext()) {
 				IMenuManager manager = (IMenuManager)mitr.next();

 				if (manager != null) {
 					manager.removeMenuListener(this);
 					fDebugViewsWithMenu.remove(manager);
 				}
 			}
 			Collection actionCollections= fDebugActionGroupActions.values();
 			List removed= new ArrayList();
 			for (Iterator iterator = actionCollections.iterator(); iterator.hasNext();) {
 				List actions= (List)iterator.next();
 				for (Iterator itr = actions.iterator(); itr.hasNext();) {
 					DebugActionGroupAction action = (DebugActionGroupAction) itr.next();
 					if (action.getViewId().equals(view.getSite().getId())) {
 						removed.add(action.getId());
 						action.dispose();
 					}
 				}
 			}

 			for (Iterator iterator = removed.iterator(); iterator.hasNext();) {
 				String actionId= (String)iterator.next();
 				fDebugActionGroupActions.remove(actionId);
 				fDebugActionGroupActionIds.remove(actionId);
 			}
 		}
 	}

 	/**
 	 * @see IMenuListener#menuAboutToShow(IMenuManager)
 	 */
 	public void menuAboutToShow(IMenuManager manager) {
 		IDebugView view= (IDebugView)fDebugViewsWithMenu.get(manager);
 		if (view != null) {
 			String viewName= view.getTitle();
 			String viewId= view.getSite().getId();
 			processContributionItems(manager.getItems(), viewName, viewId, TYPE_CONTEXT_MENU);
 		}
 	}

 	/**
 	 * Debug view action group extensions
 	 */
 	protected class DebugActionGroup {

 		private String fId;
 		private boolean fVisible;
 		private String fName;
 		private List fActionIds = new ArrayList();

 		protected DebugActionGroup(String id, String name, boolean visible) {
 			fId = id;
 			fVisible = visible;
 			fName = name;
 		}

 		/**
 		 * @see Object#hashCode()
 		 */
 		public int hashCode() {
 			return fId.hashCode();
 		}

 		/**
 		 * @see Object#equals(Object)
 		 */
 		public boolean equals(Object obj) {
 			if (obj instanceof DebugActionGroup) {
 				DebugActionGroup s = (DebugActionGroup) obj;
 				return fId == s.fId;
 			}
 			return false;
 		}

 		protected void add(String actionId) {
 			fActionIds.add(actionId);
 		}

 		protected String getName() {
 			return fName;
 		}

 		protected boolean isVisible() {
 			return fVisible;
 		}

 		protected void setVisible(boolean visible) {
 			fVisible = visible;
 		}

 		protected List getActionIds() {
 			return fActionIds;
 		}

 		protected String getId() {
 			return fId;
 		}
 	}

 	/**
 	 * Debug view action extensions
 	 */
 	protected class DebugActionGroupAction {

 		private String fId;
 		private String fName;
 		private String fViewName;
 		private String fViewId;
 		private ImageDescriptor fImageDescriptor;
 		private Image fImage;
 		private int fType;

 		protected DebugActionGroupAction(String id, String name, String viewName, String viewId, ImageDescriptor imageDescriptor, int type) {
 			fType = type;
 			fId = id;
 			fName = cleanName(name);
 			fImageDescriptor= imageDescriptor;
 			fViewName= viewName;
 			fViewId= viewId;
 		}

 		/**
 		 * @see Object#hashCode()
 		 */
 		public int hashCode() {
 			return fId.hashCode() | fViewId.hashCode() | fType;
 		}

 		/**
 		 * @see Object#equals(Object)
 		 */
 		public boolean equals(Object obj) {
 			if (obj instanceof DebugActionGroupAction) {
 				DebugActionGroupAction s = (DebugActionGroupAction) obj;
 				return getId() == s.getId() && getViewId() == s.getViewId() && fType == s.fType;
 			}
 			return false;
 		}

 		protected String getName() {
 			StringBuffer buff= new StringBuffer(fName);
 			buff.append(" ("); //$NON-NLS-1$
 			buff.append(fViewName);
 			buff.append(DebugPreferencesMessages.getString("DebugActionGroupsManager._view__6")); //$NON-NLS-1$
 			buff.append(getDescriptor());
 			buff.append(')');
 			return buff.toString();
 		}

 		protected Image getImage() {
 			if (fImage == null && fImageDescriptor != null) {
 				fImage= fImageDescriptor.createImage(true);
 			}
 			return fImage;
 		}

 		protected void dispose() {
 			if (fImage != null) {
 				fImage.dispose();
 			}
 		}

 		protected String getDescriptor() {
 			switch (fType) {
 				case TYPE_TOOLBAR:
 					return DebugPreferencesMessages.getString("DebugActionGroupsManager.toolbar_7"); //$NON-NLS-1$
 				case TYPE_CONTEXT_MENU:
 					return DebugPreferencesMessages.getString("DebugActionGroupsManager.context_menu_8"); //$NON-NLS-1$
 				case TYPE_VIEW_MENU:
 				    return DebugPreferencesMessages.getString("DebugActionGroupsManager.pull-down_menu_1"); //$NON-NLS-1$
 			}
 			return ""; //$NON-NLS-1$
 		}

 		/**
 		 * Removes the '&' accelerator indicator from a label, if any.
 		 * Removes the hot key indicator, if any.
 		 */
 		protected String cleanName(String name) {
 			int i = name.indexOf('@');
 			if (i >= 0) {
 				name = name.substring(0, i);
 			}
 			i = name.indexOf('&');
 			if (i >= 0) {
 				name = name.substring(0, i) + name.substring(i+1);
 			}

 			return name;
 		}

 		protected String getId() {
 			return fId;
 		}

 		protected String getViewId() {
 			return fViewId;
 		}
 	}

 	/**
 	 * Parses the comma separated string into list of strings
 	 *
 	 * @return list
 	 */
 	protected List parseList(String listString) {
 		List list = new ArrayList(10);
 		StringTokenizer tokenizer = new StringTokenizer(listString, ","); //$NON-NLS-1$
 		while (tokenizer.hasMoreTokens()) {
 			String token = tokenizer.nextToken();
 			list.add(token);
 		}
 		return list;
 	}

 	/**
 	 * Serializes the array of strings into one comma
 	 * separated string.
 	 *
 	 * @param list array of strings
 	 * @return a single string composed of the given list
 	 */
 	protected String serializeList(List list) {
 		if (list == null) {
 			return ""; //$NON-NLS-1$
 		}
 		StringBuffer buffer = new StringBuffer();
 		int i= 0;
 		for (Iterator iterator = list.iterator(); iterator.hasNext(); i++) {
 			String element = (String) iterator.next();
 			if (i > 0) {
 				buffer.append(',');
 			}
 			buffer.append(element);
 		}
 		return buffer.toString();
 	}
 }
	package org.eclipse.debug.internal.ui.preferences;

	/*
	* (c) Copyright IBM Corp. 2002.
	* All Rights Reserved.
	*/

	import java.text.MessageFormat;
	import java.util.ArrayList;
	import java.util.Collection;
	import java.util.Collections;
	import java.util.HashMap;
	import java.util.Iterator;
	import java.util.List;
	import java.util.Map;
	import java.util.StringTokenizer;

	import org.eclipse.core.runtime.IConfigurationElement;
	import org.eclipse.core.runtime.IExtensionPoint;
	import org.eclipse.core.runtime.IPluginDescriptor;
	import org.eclipse.debug.internal.ui.DebugUIPlugin;
	import org.eclipse.debug.ui.AbstractDebugView;
	import org.eclipse.debug.ui.IDebugUIConstants;
	import org.eclipse.debug.ui.IDebugView;
	import org.eclipse.jface.action.ActionContributionItem;
	import org.eclipse.jface.action.IContributionItem;
	import org.eclipse.jface.action.IMenuListener;
	import org.eclipse.jface.action.IMenuManager;
	import org.eclipse.jface.action.IToolBarManager;
	import org.eclipse.jface.action.MenuManager;
	import org.eclipse.jface.resource.ImageDescriptor;
	import org.eclipse.swt.SWT;
	import org.eclipse.swt.graphics.Image;
	import org.eclipse.swt.widgets.Display;
	import org.eclipse.swt.widgets.Event;
	import org.eclipse.swt.widgets.Menu;
	import org.eclipse.ui.IActionBars;
	import org.eclipse.ui.IViewPart;

	public class DebugActionGroupsManager implements IMenuListener {

	// constants indicating action locations
	public static final int TYPE_TOOLBAR = 0;
	public static final int TYPE_VIEW_MENU = 1;
	public static final int TYPE_CONTEXT_MENU = 2;

	protected List fDebugViews= new ArrayList(6);
	protected Map fDebugViewsWithMenu= new HashMap(6);
	protected Map fDebugActionGroups;
	protected Map fDebugActionGroupActionIds;
	protected Map fDebugActionGroupActions = new HashMap();

	protected static DebugActionGroupsManager fgManager;

	private DebugActionGroupsManager() {
	//@see getDefault()
	}

	/**
	* Returns the debug action groups manager
	*/
	public static DebugActionGroupsManager getDefault() {
	if (fgManager == null) {
	fgManager = new DebugActionGroupsManager();
	fgManager.startup();
	}
	return fgManager;
	}

	/**
	* Returns whether the singleton instance of the manager exists
	*/
	public static boolean defaultExists() {
	return fgManager != null;
	}

	/**
	* Called by the debug ui plug-in on startup.
	*/
	public void startup() {
	initialize();
	}

	/**
	* Called by the debug ui plug-in on shutdown.
	*/
	public void shutdown() {
	for (Iterator iterator = fDebugActionGroupActions.values().iterator(); iterator.hasNext();) {
	List actions= (List)iterator.next();
	for (Iterator itr = actions.iterator(); itr.hasNext();) {
	DebugActionGroupAction action = (DebugActionGroupAction) itr.next();
	action.dispose();
	}
	}
	}

	private List persistedEnabledActionGroups() {

	String enabled= DebugUIPlugin.getDefault().getPreferenceStore().getString(IDebugPreferenceConstants.PREF_ENABLED_DEBUG_ACTION_GROUPS);
	if (enabled != null) {
	return parseList(enabled);
	}
	return Collections.EMPTY_LIST;
	}

	private List persistedDisabledActionGroups() {

	String enabled= DebugUIPlugin.getDefault().getPreferenceStore().getString(IDebugPreferenceConstants.PREF_DISABLED_DEBUG_ACTION_GROUPS);
	if (enabled != null) {
	return parseList(enabled);
	}
	return Collections.EMPTY_LIST;
	}

	/**
	* Create the mapping of actions to debug action groups
	*/
	private void initialize() {
	IPluginDescriptor descriptor = DebugUIPlugin.getDefault().getDescriptor();
	IExtensionPoint extensionPoint =
	descriptor.getExtensionPoint(IDebugUIConstants.EXTENSION_POINT_DEBUG_ACTION_GROUPS);
	IConfigurationElement[] infos = extensionPoint.getConfigurationElements();
	if (infos.length == 0) {
	return;
	}

	fDebugActionGroupActionIds = new HashMap();
	fDebugActionGroups = new HashMap(10);
	List userEnabledGroups= persistedEnabledActionGroups();
	List userDisabledGroups= persistedDisabledActionGroups();

	for (int i = 0; i < infos.length; i++) {
	IConfigurationElement configurationElement = infos[i];
	String id = configurationElement.getAttribute("id"); //$NON-NLS-1$
	String visible = configurationElement.getAttribute("visible"); //$NON-NLS-1$
	boolean isVisible = true;
	if (visible != null) {
	isVisible = Boolean.valueOf(visible).booleanValue();
	}
	if (!isVisible && userEnabledGroups.contains(id)) {
	isVisible= true;
	} else if (isVisible && userDisabledGroups.contains(id)) {
	isVisible= false;
	}

	String name = configurationElement.getAttribute("name"); //$NON-NLS-1$

	if (id != null && name != null) {
	if (fDebugActionGroups.get(id) != null) {
	//duplicate id..report error and ignore extension
	DebugUIPlugin.logErrorMessage(MessageFormat.format(DebugPreferencesMessages.getString("DebugActionGroupsManager.Duplicate_action_group_id"), new String[]{id})); //$NON-NLS-1$
	continue;
	}

	IConfigurationElement[] children = configurationElement.getChildren();
	if (children.length == 0) {
	//empty action group
	continue;
	}
	DebugActionGroup viewActionSet = new DebugActionGroup(id, name, isVisible);
	fDebugActionGroups.put(id, viewActionSet);
	for (int j = 0; j < children.length; j++) {
	IConfigurationElement actionElement = children[j];
	String actionId = actionElement.getAttribute("id"); //$NON-NLS-1$
	if (actionId != null) {
	viewActionSet.add(actionId);
	fDebugActionGroupActionIds.put(actionId, viewActionSet.getId());
	}
	}

	} else {
	// invalid debug action group
	String errorId= ""; //$NON-NLS-1$
	if (id != null) {
	errorId= ": " + id; //$NON-NLS-1$
	}
	DebugUIPlugin.logErrorMessage(DebugPreferencesMessages.getString("DebugActionGroupsManager.Improperly_specified_debug_action_group_4") + errorId); //$NON-NLS-1$
	}
	}
	}

	/**
	* Updates the debug view groups for all registered views.
	*/
	public void updateDebugActionGroups() {
	for (Iterator iterator = fDebugViews.iterator(); iterator.hasNext();) {
	IDebugView view = (IDebugView) iterator.next();
	updateDebugActionGroups(view);
	}
	}

	protected void updateDebugActionGroups(IViewPart viewPart) {
	IDebugView debugView= (IDebugView)viewPart.getAdapter(IDebugView.class);
	if (debugView == null) {
	return;
	}

	IActionBars actionBars = viewPart.getViewSite().getActionBars();
	IToolBarManager toolBarManager = actionBars.getToolBarManager();
	boolean refresh = false;
	if (processContributionItems(toolBarManager.getItems(), viewPart.getTitle(), viewPart.getSite().getId(),TYPE_TOOLBAR)) {
	toolBarManager.markDirty();
	refresh = true;
	}
	IMenuManager menuManager = actionBars.getMenuManager();
	if (processContributionItems(menuManager.getItems(), viewPart.getTitle(), viewPart.getSite().getId(), TYPE_VIEW_MENU)) {
	menuManager.markDirty();
	refresh = true;
	}

	if (refresh) {
	actionBars.updateActionBars();
	}
	}

	protected boolean processContributionItems(IContributionItem[] items, String viewName, String viewId, int type) {
	boolean visibilityChanged = false;
	for (int i = 0; i < items.length; i++) {
	IContributionItem iContributionItem = items[i];
	if (!(iContributionItem instanceof ActionContributionItem)) {
	continue;
	}
	ActionContributionItem item= (ActionContributionItem)iContributionItem;
	String id = item.getId();
	if (id != null) {
	String viewActionSetId = (String) fDebugActionGroupActionIds.get(id);
	if (viewActionSetId != null) {
	DebugActionGroup actionSet = (DebugActionGroup) fDebugActionGroups.get(viewActionSetId);
	if (actionSet != null) {
	iContributionItem.setVisible(actionSet.isVisible());
	visibilityChanged = true;
	DebugActionGroupAction action= new DebugActionGroupAction(id, item.getAction().getText(), viewName, viewId, item.getAction().getImageDescriptor(), type);
	List actions= (List)fDebugActionGroupActions.get(id);
	if (actions == null) {
	actions= new ArrayList(1);
	actions.add(action);
	fDebugActionGroupActions.put(id, actions);
	} else if (!actions.contains(action)) {
	actions.add(action);
	}
	}
	}
	}
	}
	return visibilityChanged;
	}

	/**
	* Adds this view to the collections of views that are
	* affected by debug action groups. Has no effect if the view was
	* previously registered.
	*/
	public void registerView(final IDebugView view) {
	if (fDebugActionGroupActionIds == null \|\| fDebugViews.contains(view)) {
	return;
	}
	List menus= null;
	if (view instanceof AbstractDebugView) {
	menus= ((AbstractDebugView)view).getContextMenuManagers();
	}
	if (menus == null) {
	menus= new ArrayList(1);
	menus.add(view.getContextMenuManager());
	}
	Iterator itr= menus.iterator();
	while (itr.hasNext()) {
	IMenuManager menu = (IMenuManager) itr.next();
	if (menu != null) {
	menu.addMenuListener(this);
	}

	}

	final List contextMenus= menus;
	final Display display= view.getSite().getPage().getWorkbenchWindow().getShell().getDisplay();
	if (display != null && !display.isDisposed()) {
	display.asyncExec(new Runnable() {
	public void run() {
	if (!display.isDisposed()) {
	updateDebugActionGroups(view);
	fDebugViews.add(view);
	Iterator itr= contextMenus.iterator();
	while (itr.hasNext()) {
	IMenuManager menu = (IMenuManager)itr.next();
	if (menu != null) {
	fDebugViewsWithMenu.put(menu, view);
	//fake a showing of the context menu to get a
	//look at all of the items in the menu
	Menu swtMenu= ((MenuManager)menu).getMenu();
	if (!swtMenu.isDisposed()) {
	swtMenu.notifyListeners(SWT.Show, new Event());
	swtMenu.notifyListeners(SWT.Hide, new Event());
	}
	}
	}
	}
	}
	});
	}
	}

	/**
	* Removes this view from the collections of views that are
	* affected by debug action groups. Has no effect if the view was
	* not previously registered.
	*/
	public void deregisterView(IDebugView view) {
	if (fDebugActionGroupActionIds != null && fDebugViews.remove(view)) {
	List managers= null;
	if (view instanceof AbstractDebugView) {
	managers= ((AbstractDebugView)view).getContextMenuManagers();
	}
	if (managers == null) {
	managers= new ArrayList(1);
	managers.add(view.getContextMenuManager());
	}
	Iterator mitr= managers.iterator();
	while (mitr.hasNext()) {
	IMenuManager manager = (IMenuManager)mitr.next();

	if (manager != null) {
	manager.removeMenuListener(this);
	fDebugViewsWithMenu.remove(manager);
	}
	}
	Collection actionCollections= fDebugActionGroupActions.values();
	List removed= new ArrayList();
	for (Iterator iterator = actionCollections.iterator(); iterator.hasNext();) {
	List actions= (List)iterator.next();
	for (Iterator itr = actions.iterator(); itr.hasNext();) {
	DebugActionGroupAction action = (DebugActionGroupAction) itr.next();
	if (action.getViewId().equals(view.getSite().getId())) {
	removed.add(action.getId());
	action.dispose();
	}
	}
	}

	for (Iterator iterator = removed.iterator(); iterator.hasNext();) {
	String actionId= (String)iterator.next();
	fDebugActionGroupActions.remove(actionId);
	fDebugActionGroupActionIds.remove(actionId);
	}
	}
	}

	/**
	* @see IMenuListener#menuAboutToShow(IMenuManager)
	*/
	public void menuAboutToShow(IMenuManager manager) {
	IDebugView view= (IDebugView)fDebugViewsWithMenu.get(manager);
	if (view != null) {
	String viewName= view.getTitle();
	String viewId= view.getSite().getId();
	processContributionItems(manager.getItems(), viewName, viewId, TYPE_CONTEXT_MENU);
	}
	}

	/**
	* Debug view action group extensions
	*/
	protected class DebugActionGroup {

	private String fId;
	private boolean fVisible;
	private String fName;
	private List fActionIds = new ArrayList();

	protected DebugActionGroup(String id, String name, boolean visible) {
	fId = id;
	fVisible = visible;
	fName = name;
	}

	/**
	* @see Object#hashCode()
	*/
	public int hashCode() {
	return fId.hashCode();
	}

	/**
	* @see Object#equals(Object)
	*/
	public boolean equals(Object obj) {
	if (obj instanceof DebugActionGroup) {
	DebugActionGroup s = (DebugActionGroup) obj;
	return fId == s.fId;
	}
	return false;
	}

	protected void add(String actionId) {
	fActionIds.add(actionId);
	}

	protected String getName() {
	return fName;
	}

	protected boolean isVisible() {
	return fVisible;
	}

	protected void setVisible(boolean visible) {
	fVisible = visible;
	}

	protected List getActionIds() {
	return fActionIds;
	}

	protected String getId() {
	return fId;
	}
	}

	/**
	* Debug view action extensions
	*/
	protected class DebugActionGroupAction {

	private String fId;
	private String fName;
	private String fViewName;
	private String fViewId;
	private ImageDescriptor fImageDescriptor;
	private Image fImage;
	private int fType;

	protected DebugActionGroupAction(String id, String name, String viewName, String viewId, ImageDescriptor imageDescriptor, int type) {
	fType = type;
	fId = id;
	fName = cleanName(name);
	fImageDescriptor= imageDescriptor;
	fViewName= viewName;
	fViewId= viewId;
	}

	/**
	* @see Object#hashCode()
	*/
	public int hashCode() {
	return fId.hashCode() \| fViewId.hashCode() \| fType;
	}

	/**
	* @see Object#equals(Object)
	*/
	public boolean equals(Object obj) {
	if (obj instanceof DebugActionGroupAction) {
	DebugActionGroupAction s = (DebugActionGroupAction) obj;
	return getId() == s.getId() && getViewId() == s.getViewId() && fType == s.fType;
	}
	return false;
	}

	protected String getName() {
	StringBuffer buff= new StringBuffer(fName);
	buff.append(" ("); //$NON-NLS-1$
	buff.append(fViewName);
	buff.append(DebugPreferencesMessages.getString("DebugActionGroupsManager._view__6")); //$NON-NLS-1$
	buff.append(getDescriptor());
	buff.append(')');
	return buff.toString();
	}

	protected Image getImage() {
	if (fImage == null && fImageDescriptor != null) {
	fImage= fImageDescriptor.createImage(true);
	}
	return fImage;
	}

	protected void dispose() {
	if (fImage != null) {
	fImage.dispose();
	}
	}

	protected String getDescriptor() {
	switch (fType) {
	case TYPE_TOOLBAR:
	return DebugPreferencesMessages.getString("DebugActionGroupsManager.toolbar_7"); //$NON-NLS-1$
	case TYPE_CONTEXT_MENU:
	return DebugPreferencesMessages.getString("DebugActionGroupsManager.context_menu_8"); //$NON-NLS-1$
	case TYPE_VIEW_MENU:
	return DebugPreferencesMessages.getString("DebugActionGroupsManager.pull-down_menu_1"); //$NON-NLS-1$
	}
	return ""; //$NON-NLS-1$
	}

	/**
	* Removes the '&' accelerator indicator from a label, if any.
	* Removes the hot key indicator, if any.
	*/
	protected String cleanName(String name) {
	int i = name.indexOf('@');
	if (i >= 0) {
	name = name.substring(0, i);
	}
	i = name.indexOf('&');
	if (i >= 0) {
	name = name.substring(0, i) + name.substring(i+1);
	}

	return name;
	}

	protected String getId() {
	return fId;
	}

	protected String getViewId() {
	return fViewId;
	}
	}

	/**
	* Parses the comma separated string into list of strings
	*
	* @return list
	*/
	protected List parseList(String listString) {
	List list = new ArrayList(10);
	StringTokenizer tokenizer = new StringTokenizer(listString, ","); //$NON-NLS-1$
	while (tokenizer.hasMoreTokens()) {
	String token = tokenizer.nextToken();
	list.add(token);
	}
	return list;
	}

	/**
	* Serializes the array of strings into one comma
	* separated string.
	*
	* @param list array of strings
	* @return a single string composed of the given list
	*/
	protected String serializeList(List list) {
	if (list == null) {
	return ""; //$NON-NLS-1$
	}
	StringBuffer buffer = new StringBuffer();
	int i= 0;
	for (Iterator iterator = list.iterator(); iterator.hasNext(); i++) {
	String element = (String) iterator.next();
	if (i > 0) {
	buffer.append(',');
	}
	buffer.append(element);
	}
	return buffer.toString();
	}
	}