| /******************************************************************************* |
| * Copyright (c) 2009, 2012 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 |
| * Marco Descher <descher@medevit.at> - Bug 389063 Dynamic Menu Contribution |
| *******************************************************************************/ |
| package org.eclipse.e4.ui.workbench.renderers.swt; |
| |
| import java.util.ArrayList; |
| import java.util.Collection; |
| import java.util.HashMap; |
| import java.util.HashSet; |
| import java.util.Iterator; |
| import java.util.List; |
| import java.util.Map; |
| import java.util.Map.Entry; |
| import javax.annotation.PostConstruct; |
| import javax.annotation.PreDestroy; |
| import javax.inject.Inject; |
| import org.eclipse.e4.core.contexts.ContextInjectionFactory; |
| import org.eclipse.e4.core.contexts.IContextFunction; |
| import org.eclipse.e4.core.contexts.IEclipseContext; |
| import org.eclipse.e4.core.contexts.RunAndTrack; |
| import org.eclipse.e4.core.services.events.IEventBroker; |
| import org.eclipse.e4.core.services.log.Logger; |
| import org.eclipse.e4.ui.internal.workbench.ContributionsAnalyzer; |
| import org.eclipse.e4.ui.model.application.MApplication; |
| import org.eclipse.e4.ui.model.application.ui.MCoreExpression; |
| import org.eclipse.e4.ui.model.application.ui.MElementContainer; |
| import org.eclipse.e4.ui.model.application.ui.MUIElement; |
| import org.eclipse.e4.ui.model.application.ui.MUILabel; |
| import org.eclipse.e4.ui.model.application.ui.basic.MPart; |
| import org.eclipse.e4.ui.model.application.ui.basic.MWindow; |
| import org.eclipse.e4.ui.model.application.ui.menu.MDirectMenuItem; |
| import org.eclipse.e4.ui.model.application.ui.menu.MDynamicMenuContribution; |
| import org.eclipse.e4.ui.model.application.ui.menu.MHandledMenuItem; |
| import org.eclipse.e4.ui.model.application.ui.menu.MMenu; |
| import org.eclipse.e4.ui.model.application.ui.menu.MMenuContribution; |
| import org.eclipse.e4.ui.model.application.ui.menu.MMenuElement; |
| import org.eclipse.e4.ui.model.application.ui.menu.MMenuItem; |
| import org.eclipse.e4.ui.model.application.ui.menu.MMenuSeparator; |
| import org.eclipse.e4.ui.model.application.ui.menu.MOpaqueMenu; |
| import org.eclipse.e4.ui.model.application.ui.menu.MOpaqueMenuItem; |
| import org.eclipse.e4.ui.model.application.ui.menu.MOpaqueMenuSeparator; |
| import org.eclipse.e4.ui.model.application.ui.menu.MPopupMenu; |
| import org.eclipse.e4.ui.model.application.ui.menu.MRenderedMenuItem; |
| import org.eclipse.e4.ui.model.application.ui.menu.impl.MenuFactoryImpl; |
| import org.eclipse.e4.ui.workbench.IResourceUtilities; |
| import org.eclipse.e4.ui.workbench.UIEvents; |
| import org.eclipse.e4.ui.workbench.UIEvents.ElementContainer; |
| import org.eclipse.e4.ui.workbench.modeling.ExpressionContext; |
| import org.eclipse.e4.ui.workbench.swt.util.ISWTResourceUtilities; |
| import org.eclipse.emf.common.util.URI; |
| import org.eclipse.emf.ecore.EObject; |
| import org.eclipse.jface.action.AbstractGroupMarker; |
| import org.eclipse.jface.action.ContributionItem; |
| import org.eclipse.jface.action.GroupMarker; |
| import org.eclipse.jface.action.IContributionItem; |
| import org.eclipse.jface.action.MenuManager; |
| import org.eclipse.jface.action.Separator; |
| import org.eclipse.jface.internal.MenuManagerEventHelper; |
| import org.eclipse.jface.resource.ImageDescriptor; |
| import org.eclipse.swt.SWT; |
| import org.eclipse.swt.events.DisposeEvent; |
| import org.eclipse.swt.events.DisposeListener; |
| import org.eclipse.swt.widgets.Control; |
| import org.eclipse.swt.widgets.Decorations; |
| import org.eclipse.swt.widgets.Display; |
| import org.eclipse.swt.widgets.Menu; |
| import org.osgi.service.event.Event; |
| import org.osgi.service.event.EventHandler; |
| |
| /** |
| * Create a contribute part. |
| */ |
| public class MenuManagerRenderer extends SWTPartRenderer { |
| private static final String NO_LABEL = "UnLabled"; //$NON-NLS-1$ |
| public static final String GROUP_MARKER = "org.eclipse.jface.action.GroupMarker.GroupMarker(String)"; //$NON-NLS-1$ |
| |
| private Map<MMenu, MenuManager> modelToManager = new HashMap<MMenu, MenuManager>(); |
| private Map<MenuManager, MMenu> managerToModel = new HashMap<MenuManager, MMenu>(); |
| |
| private Map<MMenuElement, IContributionItem> modelToContribution = new HashMap<MMenuElement, IContributionItem>(); |
| private Map<IContributionItem, MMenuElement> contributionToModel = new HashMap<IContributionItem, MMenuElement>(); |
| |
| private Map<MMenuElement, ContributionRecord> modelContributionToRecord = new HashMap<MMenuElement, ContributionRecord>(); |
| private Map<MMenuElement, ArrayList<ContributionRecord>> sharedElementToRecord = new HashMap<MMenuElement, ArrayList<ContributionRecord>>(); |
| |
| @Inject |
| private Logger logger; |
| |
| @Inject |
| private MApplication application; |
| |
| @Inject |
| IEventBroker eventBroker; |
| private EventHandler itemUpdater = new EventHandler() { |
| public void handleEvent(Event event) { |
| // Ensure that this event is for a MMenuItem |
| if (!(event.getProperty(UIEvents.EventTags.ELEMENT) instanceof MMenuItem)) |
| return; |
| |
| MMenuItem itemModel = (MMenuItem) event |
| .getProperty(UIEvents.EventTags.ELEMENT); |
| |
| IContributionItem ici = getContribution(itemModel); |
| if (ici == null) { |
| return; |
| } |
| |
| String attName = (String) event |
| .getProperty(UIEvents.EventTags.ATTNAME); |
| if (UIEvents.UILabel.LABEL.equals(attName)) { |
| ici.update(); |
| } else if (UIEvents.UILabel.ICONURI.equals(attName)) { |
| ici.update(); |
| } |
| } |
| }; |
| |
| private EventHandler toBeRenderedUpdater = new EventHandler() { |
| public void handleEvent(Event event) { |
| Object element = event.getProperty(UIEvents.EventTags.ELEMENT); |
| String attName = (String) event |
| .getProperty(UIEvents.EventTags.ATTNAME); |
| if (element instanceof MMenuItem) { |
| MMenuItem itemModel = (MMenuItem) element; |
| if (UIEvents.UIElement.TOBERENDERED.equals(attName)) { |
| Object obj = itemModel.getParent(); |
| if (!(obj instanceof MMenu)) { |
| return; |
| } |
| MenuManager parent = getManager((MMenu) obj); |
| if (itemModel.isToBeRendered()) { |
| if (parent != null) { |
| modelProcessSwitch(parent, itemModel); |
| } |
| } else { |
| IContributionItem ici = getContribution(itemModel); |
| clearModelToContribution(itemModel, ici); |
| if (ici != null && parent != null) { |
| parent.remove(ici); |
| } |
| if (ici != null) { |
| ici.dispose(); |
| } |
| } |
| } |
| } |
| if (UIEvents.UIElement.VISIBLE.equals(attName)) { |
| if (element instanceof MMenu) { |
| MMenu menuModel = (MMenu) element; |
| MenuManager manager = getManager(menuModel); |
| if (manager == null) { |
| return; |
| } |
| manager.setVisible(menuModel.isVisible()); |
| if (manager.getParent() != null) { |
| manager.getParent().markDirty(); |
| } |
| } else if (element instanceof MMenuElement) { |
| MMenuElement itemModel = (MMenuElement) element; |
| Object obj = getContribution(itemModel); |
| if (!(obj instanceof ContributionItem)) { |
| return; |
| } |
| ContributionItem item = (ContributionItem) obj; |
| item.setVisible(itemModel.isVisible()); |
| if (item.getParent() != null) { |
| item.getParent().markDirty(); |
| } |
| } |
| } |
| } |
| }; |
| |
| private EventHandler selectionUpdater = new EventHandler() { |
| public void handleEvent(Event event) { |
| // Ensure that this event is for a MToolItem |
| if (!(event.getProperty(UIEvents.EventTags.ELEMENT) instanceof MMenuItem)) |
| return; |
| |
| MMenuItem itemModel = (MMenuItem) event |
| .getProperty(UIEvents.EventTags.ELEMENT); |
| IContributionItem ici = getContribution(itemModel); |
| if (ici != null) { |
| ici.update(); |
| } |
| } |
| }; |
| |
| private EventHandler enabledUpdater = new EventHandler() { |
| public void handleEvent(Event event) { |
| // Ensure that this event is for a MMenuItem |
| if (!(event.getProperty(UIEvents.EventTags.ELEMENT) instanceof MMenuItem)) |
| return; |
| |
| MMenuItem itemModel = (MMenuItem) event |
| .getProperty(UIEvents.EventTags.ELEMENT); |
| IContributionItem ici = getContribution(itemModel); |
| if (ici != null) { |
| ici.update(); |
| } |
| } |
| }; |
| |
| private EventHandler childUpdater = new EventHandler() { |
| public void handleEvent(Event event) { |
| // Ensure that this event is for a MMenuItem |
| if (!(event.getProperty(UIEvents.EventTags.ELEMENT) instanceof MMenu)) |
| return; |
| |
| Object menuModel = event.getProperty(UIEvents.EventTags.ELEMENT); |
| |
| if (UIEvents.isADD(event)) { |
| processContents((MElementContainer<MUIElement>) menuModel); |
| } else if (UIEvents.isREMOVE(event)) { |
| MenuManager parentManager = getManager((MMenu) menuModel); |
| if (parentManager == null) { |
| return; |
| } |
| Object oldValue = event |
| .getProperty(UIEvents.EventTags.OLD_VALUE); |
| if (oldValue instanceof MMenu) { |
| disposeMenuManager(getManager((MMenu) oldValue), |
| parentManager, (MMenu) oldValue); |
| } else if (oldValue instanceof MMenuElement) { |
| disposeContributionItem( |
| getContribution((MMenuElement) oldValue), |
| parentManager, (MMenuElement) oldValue); |
| parentManager.update(false); |
| } else if (oldValue instanceof List) { |
| for (Object object : (List) oldValue) { |
| if (object instanceof MMenu) { |
| disposeMenuManager(getManager((MMenu) object), |
| parentManager, (MMenu) object); |
| } else if (object instanceof MMenuElement) { |
| disposeContributionItem( |
| getContribution((MMenuElement) object), |
| parentManager, (MMenuElement) object); |
| } |
| } |
| parentManager.update(false); |
| } |
| } |
| } |
| }; |
| |
| private MenuManagerRendererFilter rendererFilter; |
| |
| @PostConstruct |
| public void init() { |
| eventBroker.subscribe(UIEvents.UILabel.TOPIC_ALL, itemUpdater); |
| eventBroker.subscribe(UIEvents.Item.TOPIC_SELECTED, selectionUpdater); |
| eventBroker.subscribe(UIEvents.Item.TOPIC_ENABLED, enabledUpdater); |
| eventBroker |
| .subscribe(UIEvents.UIElement.TOPIC_ALL, toBeRenderedUpdater); |
| eventBroker.subscribe(ElementContainer.TOPIC_CHILDREN, childUpdater); |
| |
| context.set(MenuManagerRenderer.class, this); |
| Display display = context.get(Display.class); |
| rendererFilter = ContextInjectionFactory.make( |
| MenuManagerRendererFilter.class, context); |
| display.addFilter(SWT.Show, rendererFilter); |
| display.addFilter(SWT.Hide, rendererFilter); |
| display.addFilter(SWT.Dispose, rendererFilter); |
| context.set(MenuManagerRendererFilter.class, rendererFilter); |
| MenuManagerEventHelper.showHelper = ContextInjectionFactory.make( |
| MenuManagerShowProcessor.class, context); |
| MenuManagerEventHelper.hideHelper = ContextInjectionFactory.make( |
| MenuManagerHideProcessor.class, context); |
| |
| } |
| |
| @PreDestroy |
| public void contextDisposed() { |
| eventBroker.unsubscribe(itemUpdater); |
| eventBroker.unsubscribe(selectionUpdater); |
| eventBroker.unsubscribe(enabledUpdater); |
| eventBroker.unsubscribe(toBeRenderedUpdater); |
| eventBroker.unsubscribe(childUpdater); |
| |
| ContextInjectionFactory.uninject(MenuManagerEventHelper.showHelper, |
| context); |
| MenuManagerEventHelper.showHelper = null; |
| ContextInjectionFactory.uninject(MenuManagerEventHelper.hideHelper, |
| context); |
| MenuManagerEventHelper.hideHelper = null; |
| |
| context.remove(MenuManagerRendererFilter.class); |
| Display display = context.get(Display.class); |
| if (display != null && !display.isDisposed() && rendererFilter != null) { |
| display.removeFilter(SWT.Show, rendererFilter); |
| display.removeFilter(SWT.Hide, rendererFilter); |
| display.removeFilter(SWT.Dispose, rendererFilter); |
| } |
| if (rendererFilter != null) { |
| ContextInjectionFactory.uninject(rendererFilter, context); |
| rendererFilter = null; |
| } |
| context.remove(MenuManagerRenderer.class); |
| } |
| |
| /* |
| * (non-Javadoc) |
| * |
| * @see |
| * org.eclipse.e4.ui.internal.workbench.swt.AbstractPartRenderer#createWidget |
| * (org.eclipse.e4.ui.model.application.ui.MUIElement, java.lang.Object) |
| */ |
| @Override |
| public Object createWidget(MUIElement element, Object parent) { |
| if (!(element instanceof MMenu)) |
| return null; |
| |
| final MMenu menuModel = (MMenu) element; |
| Menu newMenu = null; |
| MenuManager menuManager = null; |
| boolean menuBar = false; |
| |
| if (parent instanceof Decorations) { |
| MUIElement container = (MUIElement) ((EObject) element) |
| .eContainer(); |
| if (container instanceof MWindow) { |
| menuManager = getManager(menuModel); |
| if (menuManager == null) { |
| menuManager = new MenuManager(NO_LABEL, |
| menuModel.getElementId()); |
| linkModelToManager(menuModel, menuManager); |
| } |
| newMenu = menuManager.createMenuBar((Decorations) parent); |
| ((Decorations) parent).setMenuBar(newMenu); |
| newMenu.setData(menuManager); |
| menuBar = true; |
| } else { |
| menuManager = getManager(menuModel); |
| if (menuManager == null) { |
| menuManager = new MenuManager(NO_LABEL, |
| menuModel.getElementId()); |
| linkModelToManager(menuModel, menuManager); |
| } |
| newMenu = menuManager.createContextMenu((Control) parent); |
| // we can't be sure this is the correct parent. |
| // ((Control) parent).setMenu(newMenu); |
| newMenu.setData(menuManager); |
| } |
| } else if (parent instanceof Menu) { |
| // Object data = ((Menu) parent).getData(); |
| logger.debug(new Exception(), "Trying to render a sub menu " //$NON-NLS-1$ |
| + menuModel + "\n\t" + parent); //$NON-NLS-1$ |
| return null; |
| |
| } else if (parent instanceof Control) { |
| menuManager = getManager(menuModel); |
| if (menuManager == null) { |
| menuManager = new MenuManager(NO_LABEL, |
| menuModel.getElementId()); |
| linkModelToManager(menuModel, menuManager); |
| } |
| newMenu = menuManager.createContextMenu((Control) parent); |
| // we can't be sure this is the correct parent. |
| // ((Control) parent).setMenu(newMenu); |
| newMenu.setData(menuManager); |
| } |
| if (!menuManager.getRemoveAllWhenShown()) { |
| processContributions(menuModel, menuBar, |
| menuModel instanceof MPopupMenu); |
| } |
| if (newMenu != null) { |
| newMenu.addDisposeListener(new DisposeListener() { |
| public void widgetDisposed(DisposeEvent e) { |
| cleanUp(menuModel); |
| } |
| }); |
| } |
| return newMenu; |
| } |
| |
| /** |
| * @param menuModel |
| */ |
| public void cleanUp(MMenu menuModel) { |
| Collection<ContributionRecord> vals = modelContributionToRecord |
| .values(); |
| List<ContributionRecord> disposedRecords = new ArrayList<ContributionRecord>(); |
| for (ContributionRecord record : vals |
| .toArray(new ContributionRecord[vals.size()])) { |
| if (record.menuModel == menuModel) { |
| record.dispose(); |
| for (MMenuElement copy : record.generatedElements) { |
| cleanUpCopy(record, copy); |
| } |
| for (MMenuElement copy : record.sharedElements) { |
| cleanUpCopy(record, copy); |
| } |
| record.generatedElements.clear(); |
| record.sharedElements.clear(); |
| disposedRecords.add(record); |
| } |
| } |
| |
| // The cleanup() is called recursively via cleanUpCopy(), hence |
| // the need to do a separate pass to remove disposed records: |
| Iterator<Entry<MMenuElement, ContributionRecord>> iterator = modelContributionToRecord |
| .entrySet().iterator(); |
| for (; iterator.hasNext();) { |
| Entry<MMenuElement, ContributionRecord> entry = iterator.next(); |
| ContributionRecord record = entry.getValue(); |
| if (disposedRecords.contains(record)) |
| iterator.remove(); |
| } |
| } |
| |
| public void cleanUpCopy(ContributionRecord record, MMenuElement copy) { |
| modelContributionToRecord.remove(copy); |
| if (copy instanceof MMenu) { |
| MMenu menuCopy = (MMenu) copy; |
| cleanUp(menuCopy); |
| MenuManager copyManager = getManager(menuCopy); |
| clearModelToManager(menuCopy, copyManager); |
| if (copyManager != null) { |
| record.getManagerForModel().remove(copyManager); |
| copyManager.dispose(); |
| } |
| } else { |
| IContributionItem ici = getContribution(copy); |
| clearModelToContribution(copy, ici); |
| if (ici != null) { |
| record.getManagerForModel().remove(ici); |
| } |
| } |
| } |
| |
| /** |
| * @param menuModel |
| * @param isMenuBar |
| * @param isPopup |
| */ |
| public void processContributions(MMenu menuModel, boolean isMenuBar, |
| boolean isPopup) { |
| if (menuModel.getElementId() == null) { |
| return; |
| } |
| final ArrayList<MMenuContribution> toContribute = new ArrayList<MMenuContribution>(); |
| ContributionsAnalyzer.XXXgatherMenuContributions(menuModel, |
| application.getMenuContributions(), menuModel.getElementId(), |
| toContribute, null, isPopup); |
| generateContributions(menuModel, toContribute, isMenuBar); |
| for (MMenuElement element : menuModel.getChildren()) { |
| if (element instanceof MMenu) { |
| processContributions((MMenu) element, false, isPopup); |
| } |
| } |
| } |
| |
| /** |
| * @param menuModel |
| * @param toContribute |
| */ |
| private void generateContributions(MMenu menuModel, |
| ArrayList<MMenuContribution> toContribute, boolean menuBar) { |
| HashSet<String> existingMenuIds = new HashSet<String>(); |
| HashSet<String> existingSeparatorNames = new HashSet<String>(); |
| for (MMenuElement child : menuModel.getChildren()) { |
| String elementId = child.getElementId(); |
| if (child instanceof MMenu && elementId != null) { |
| existingMenuIds.add(elementId); |
| } else if (child instanceof MMenuSeparator && elementId != null) { |
| existingSeparatorNames.add(elementId); |
| } |
| } |
| |
| MenuManager manager = getManager(menuModel); |
| boolean done = toContribute.size() == 0; |
| while (!done) { |
| ArrayList<MMenuContribution> curList = new ArrayList<MMenuContribution>( |
| toContribute); |
| int retryCount = toContribute.size(); |
| toContribute.clear(); |
| |
| for (MMenuContribution menuContribution : curList) { |
| if (!processAddition(menuModel, manager, menuContribution, |
| existingMenuIds, existingSeparatorNames, menuBar)) { |
| toContribute.add(menuContribution); |
| } |
| } |
| |
| // We're done if the retryList is now empty (everything done) or |
| // if the list hasn't changed at all (no hope) |
| done = (toContribute.size() == 0) |
| || (toContribute.size() == retryCount); |
| } |
| } |
| |
| /** |
| * @param menuModel |
| * @param manager |
| * @param menuContribution |
| * @return true if the menuContribution was processed |
| */ |
| private boolean processAddition(MMenu menuModel, final MenuManager manager, |
| MMenuContribution menuContribution, |
| final HashSet<String> existingMenuIds, |
| HashSet<String> existingSeparatorNames, boolean menuBar) { |
| final ContributionRecord record = new ContributionRecord(menuModel, |
| menuContribution, this); |
| if (!record.mergeIntoModel()) { |
| return false; |
| } |
| if (menuBar || isPartMenu(menuModel)) { |
| final IEclipseContext parentContext = modelService |
| .getContainingContext(menuModel); |
| parentContext.runAndTrack(new RunAndTrack() { |
| @Override |
| public boolean changed(IEclipseContext context) { |
| record.updateVisibility(parentContext.getActiveLeaf()); |
| manager.update(false); |
| return true; |
| } |
| }); |
| } |
| return true; |
| } |
| |
| private boolean isPartMenu(MMenu menuModel) { |
| // don't want popup menus as their visibility does not need to be |
| // tracked by a separate RunAndTrack |
| return !(menuModel instanceof MPopupMenu) |
| && ((EObject) menuModel).eContainer() instanceof MPart; |
| } |
| |
| public ArrayList<ContributionRecord> getList(MMenuElement item) { |
| ArrayList<ContributionRecord> tmp = sharedElementToRecord.get(item); |
| if (tmp == null) { |
| tmp = new ArrayList<ContributionRecord>(); |
| sharedElementToRecord.put(item, tmp); |
| } |
| return tmp; |
| } |
| |
| void removeMenuContributions(final MMenu menuModel, |
| final ArrayList<MMenuElement> menuContributionsToRemove) { |
| for (MMenuElement item : menuContributionsToRemove) { |
| menuModel.getChildren().remove(item); |
| } |
| } |
| |
| /* |
| * (non-Javadoc) |
| * |
| * @see |
| * org.eclipse.e4.ui.workbench.renderers.swt.SWTPartRenderer#processContents |
| * (org.eclipse.e4.ui.model.application.ui.MElementContainer) |
| */ |
| @Override |
| public void processContents(MElementContainer<MUIElement> container) { |
| // I can either simply stop processing, or we can walk the model |
| // ourselves like the "old" days |
| // EMF gives us null lists if empty |
| if (container == null) |
| return; |
| |
| // this is in direct violation of good programming |
| MenuManager parentManager = getManager((MMenu) ((Object) container)); |
| if (parentManager == null) { |
| return; |
| } |
| // Process any contents of the newly created ME |
| List<MUIElement> parts = container.getChildren(); |
| if (parts != null) { |
| MUIElement[] plist = parts.toArray(new MUIElement[parts.size()]); |
| for (int i = 0; i < plist.length; i++) { |
| MUIElement childME = plist[i]; |
| modelProcessSwitch(parentManager, (MMenuElement) childME); |
| } |
| } |
| parentManager.update(false); |
| } |
| |
| // Disposes the menuManager and its children |
| private void disposeMenuManager(MenuManager menuManager, |
| MenuManager parentManager, MMenu menuModel) { |
| // Cleanup all contributions in menuManager since the parent is being |
| // disposed. |
| for (IContributionItem contributionItem : menuManager.getItems()) { |
| if (contributionItem instanceof MenuManager) { |
| disposeMenuManager((MenuManager) contributionItem, menuManager, |
| getMenuModel((MenuManager) contributionItem)); |
| } else { |
| disposeContributionItem(contributionItem, parentManager, |
| getMenuElement(contributionItem)); |
| } |
| } |
| clearModelToManager(menuModel, menuManager); |
| parentManager.remove(menuManager); |
| menuManager.dispose(); |
| } |
| |
| private void disposeContributionItem(IContributionItem contributionItem, |
| MenuManager parentManager, MMenuElement menuElement) { |
| clearModelToContribution(menuElement, contributionItem); |
| parentManager.remove(contributionItem); |
| contributionItem.dispose(); |
| } |
| |
| private void addToManager(MenuManager parentManager, MMenuElement model, |
| IContributionItem menuManager) { |
| MElementContainer<MUIElement> parent = model.getParent(); |
| // technically this shouldn't happen |
| if (parent == null) { |
| parentManager.add(menuManager); |
| } else { |
| int index = parent.getChildren().indexOf(model); |
| // shouldn't be -1, but better safe than sorry |
| if (index > parentManager.getSize() || index == -1) { |
| parentManager.add(menuManager); |
| } else { |
| parentManager.insert(index, menuManager); |
| } |
| } |
| } |
| |
| /** |
| * @param parentManager |
| * @param menuModel |
| */ |
| private void processMenu(MenuManager parentManager, MMenu menuModel) { |
| MenuManager menuManager = getManager(menuModel); |
| if (menuManager == null) { |
| String menuText = getText(menuModel); |
| ImageDescriptor desc = getImageDescriptor(menuModel); |
| menuManager = new MenuManager(menuText, desc, |
| menuModel.getElementId()); |
| linkModelToManager(menuModel, menuManager); |
| menuManager.setVisible(menuModel.isVisible()); |
| addToManager(parentManager, menuModel, menuManager); |
| } |
| // processContributions(menuModel, false); |
| List<MMenuElement> parts = menuModel.getChildren(); |
| if (parts != null) { |
| MMenuElement[] plist = parts |
| .toArray(new MMenuElement[parts.size()]); |
| for (int i = 0; i < plist.length; i++) { |
| MMenuElement childME = plist[i]; |
| modelProcessSwitch(menuManager, childME); |
| } |
| } |
| } |
| |
| /** |
| * @param menuManager |
| * @param childME |
| */ |
| void modelProcessSwitch(MenuManager menuManager, MMenuElement childME) { |
| if (!childME.isToBeRendered()) { |
| return; |
| } |
| if (childME instanceof MRenderedMenuItem) { |
| MRenderedMenuItem itemModel = (MRenderedMenuItem) childME; |
| processRenderedItem(menuManager, itemModel); |
| } else if (childME instanceof MOpaqueMenuItem) { |
| MOpaqueMenuItem itemModel = (MOpaqueMenuItem) childME; |
| processOpaqueItem(menuManager, itemModel); |
| } else if (childME instanceof MHandledMenuItem) { |
| MHandledMenuItem itemModel = (MHandledMenuItem) childME; |
| processHandledItem(menuManager, itemModel); |
| } else if (childME instanceof MDirectMenuItem) { |
| MDirectMenuItem itemModel = (MDirectMenuItem) childME; |
| processDirectItem(menuManager, itemModel, null); |
| } else if (childME instanceof MMenuSeparator) { |
| MMenuSeparator sep = (MMenuSeparator) childME; |
| processSeparator(menuManager, sep); |
| // } else if (childME instanceof MOpaqueMenu) { |
| // I'm not sure what to do here |
| // so I'll just take it out of the running |
| } else if (childME instanceof MMenu) { |
| MMenu itemModel = (MMenu) childME; |
| processMenu(menuManager, itemModel); |
| } |
| } |
| |
| /** |
| * @param parentManager |
| * @param itemModel |
| */ |
| void processRenderedItem(MenuManager parentManager, |
| MRenderedMenuItem itemModel) { |
| IContributionItem ici = getContribution(itemModel); |
| if (ici != null) { |
| return; |
| } |
| Object obj = itemModel.getContributionItem(); |
| if (obj instanceof IContextFunction) { |
| final IEclipseContext lclContext = getContext(itemModel); |
| ici = (IContributionItem) ((IContextFunction) obj) |
| .compute(lclContext); |
| itemModel.setContributionItem(ici); |
| } else if (obj instanceof IContributionItem) { |
| ici = (IContributionItem) obj; |
| } else { |
| // TODO potentially log the state, we've got something we're not |
| // happy with |
| return; |
| } |
| ici.setVisible(itemModel.isVisible()); |
| addToManager(parentManager, itemModel, ici); |
| linkModelToContribution(itemModel, ici); |
| } |
| |
| void processOpaqueItem(MenuManager parentManager, MOpaqueMenuItem itemModel) { |
| IContributionItem ici = getContribution(itemModel); |
| if (ici != null) { |
| return; |
| } |
| Object obj = itemModel.getOpaqueItem(); |
| if (obj instanceof IContributionItem) { |
| ici = (IContributionItem) obj; |
| } else { |
| return; |
| } |
| ici.setVisible(itemModel.isVisible()); |
| addToManager(parentManager, itemModel, ici); |
| linkModelToContribution(itemModel, ici); |
| } |
| |
| /** |
| * @param menuManager |
| * @param itemModel |
| */ |
| private void processSeparator(MenuManager menuManager, |
| MMenuSeparator itemModel) { |
| IContributionItem ici = getContribution(itemModel); |
| if (ici != null) { |
| return; |
| } |
| AbstractGroupMarker marker = null; |
| if (itemModel.getTags().contains(GROUP_MARKER) |
| || !itemModel.isVisible()) { |
| if (itemModel.getElementId() != null) { |
| marker = new GroupMarker(itemModel.getElementId()); |
| } |
| } else { |
| marker = new Separator(); |
| marker.setId(itemModel.getElementId()); |
| } |
| if (marker == null) { |
| return; |
| } |
| addToManager(menuManager, itemModel, marker); |
| linkModelToContribution(itemModel, marker); |
| } |
| |
| /** |
| * @param parentManager |
| * @param itemModel |
| * @param id |
| */ |
| void processDirectItem(MenuManager parentManager, |
| MDirectMenuItem itemModel, String id) { |
| IContributionItem ici = getContribution(itemModel); |
| if (ici != null) { |
| return; |
| } |
| final IEclipseContext lclContext = getContext(itemModel); |
| DirectContributionItem ci = ContextInjectionFactory.make( |
| DirectContributionItem.class, lclContext); |
| ci.setModel(itemModel); |
| ci.setVisible(itemModel.isVisible()); |
| addToManager(parentManager, itemModel, ci); |
| linkModelToContribution(itemModel, ci); |
| } |
| |
| /** |
| * @param parentManager |
| * @param itemModel |
| */ |
| void processHandledItem(MenuManager parentManager, |
| MHandledMenuItem itemModel) { |
| IContributionItem ici = getContribution(itemModel); |
| if (ici != null) { |
| return; |
| } |
| final IEclipseContext lclContext = getContext(itemModel); |
| HandledContributionItem ci = ContextInjectionFactory.make( |
| HandledContributionItem.class, lclContext); |
| ci.setModel(itemModel); |
| ci.setVisible(itemModel.isVisible()); |
| addToManager(parentManager, itemModel, ci); |
| linkModelToContribution(itemModel, ci); |
| } |
| |
| private String getText(MMenu menuModel) { |
| String text = menuModel.getLocalizedLabel(); |
| if (text == null || text.length() == 0) { |
| return NO_LABEL; |
| } |
| return text; |
| } |
| |
| private ImageDescriptor getImageDescriptor(MUILabel element) { |
| IEclipseContext localContext = context; |
| String iconURI = element.getIconURI(); |
| if (iconURI != null && iconURI.length() > 0) { |
| ISWTResourceUtilities resUtils = (ISWTResourceUtilities) localContext |
| .get(IResourceUtilities.class.getName()); |
| return resUtils.imageDescriptorFromURI(URI.createURI(iconURI)); |
| } |
| return null; |
| } |
| |
| public MenuManager getManager(MMenu model) { |
| return modelToManager.get(model); |
| } |
| |
| public MMenu getMenuModel(MenuManager manager) { |
| return managerToModel.get(manager); |
| } |
| |
| public void linkModelToManager(MMenu model, MenuManager manager) { |
| modelToManager.put(model, manager); |
| managerToModel.put(manager, model); |
| } |
| |
| public void clearModelToManager(MMenu model, MenuManager manager) { |
| modelToManager.remove(model); |
| managerToModel.remove(manager); |
| } |
| |
| public IContributionItem getContribution(MMenuElement model) { |
| return modelToContribution.get(model); |
| } |
| |
| public MMenuElement getMenuElement(IContributionItem item) { |
| return contributionToModel.get(item); |
| } |
| |
| public void linkModelToContribution(MMenuElement model, |
| IContributionItem item) { |
| modelToContribution.put(model, item); |
| contributionToModel.put(item, model); |
| } |
| |
| public void clearModelToContribution(MMenuElement model, |
| IContributionItem item) { |
| modelToContribution.remove(model); |
| contributionToModel.remove(item); |
| } |
| |
| public ContributionRecord getContributionRecord(MMenuElement element) { |
| return modelContributionToRecord.get(element); |
| } |
| |
| public void linkElementToContributionRecord(MMenuElement element, |
| ContributionRecord record) { |
| modelContributionToRecord.put(element, record); |
| } |
| |
| /** |
| * Search the records for testing. Look, but don't touch! |
| * |
| * @return the array of active ContributionRecords. |
| */ |
| public ContributionRecord[] getContributionRecords() { |
| HashSet<ContributionRecord> records = new HashSet<ContributionRecord>( |
| modelContributionToRecord.values()); |
| return records.toArray(new ContributionRecord[records.size()]); |
| } |
| |
| public IEclipseContext getContext(MUIElement el) { |
| return super.getContext(el); |
| } |
| |
| /** |
| * @param menuManager |
| * @param menuModel |
| */ |
| public void reconcileManagerToModel(MenuManager menuManager, MMenu menuModel) { |
| List<MMenuElement> modelChildren = menuModel.getChildren(); |
| |
| HashSet<MOpaqueMenuItem> oldModelItems = new HashSet<MOpaqueMenuItem>(); |
| HashSet<MOpaqueMenu> oldMenus = new HashSet<MOpaqueMenu>(); |
| HashSet<MOpaqueMenuSeparator> oldSeps = new HashSet<MOpaqueMenuSeparator>(); |
| for (MMenuElement itemModel : modelChildren) { |
| if (itemModel instanceof MOpaqueMenuSeparator) { |
| oldSeps.add((MOpaqueMenuSeparator) itemModel); |
| } else if (itemModel instanceof MOpaqueMenuItem) { |
| oldModelItems.add((MOpaqueMenuItem) itemModel); |
| } else if (itemModel instanceof MOpaqueMenu) { |
| oldMenus.add((MOpaqueMenu) itemModel); |
| } |
| } |
| |
| IContributionItem[] items = menuManager.getItems(); |
| for (int src = 0, dest = 0; src < items.length; src++, dest++) { |
| IContributionItem item = items[src]; |
| if (item instanceof MenuManager) { |
| MenuManager childManager = (MenuManager) item; |
| MMenu childModel = getMenuModel(childManager); |
| if (childModel == null) { |
| MMenu legacyModel = MenuFactoryImpl.eINSTANCE |
| .createOpaqueMenu(); |
| legacyModel.setElementId(childManager.getId()); |
| legacyModel.setVisible(childManager.isVisible()); |
| linkModelToManager(legacyModel, childManager); |
| modelChildren.add(dest, legacyModel); |
| reconcileManagerToModel(childManager, legacyModel); |
| } else { |
| if (childModel instanceof MOpaqueMenu) { |
| oldMenus.remove(childModel); |
| } |
| if (modelChildren.size() > dest) { |
| if (modelChildren.get(dest) != childModel) { |
| modelChildren.remove(childModel); |
| modelChildren.add(dest, childModel); |
| } |
| } else { |
| modelChildren.add(childModel); |
| } |
| if (childModel instanceof MPopupMenu) { |
| if (((MPopupMenu) childModel).getContext() == null) { |
| IEclipseContext lclContext = getContext(menuModel); |
| if (lclContext != null) { |
| ((MPopupMenu) childModel) |
| .setContext(lclContext |
| .createChild(childModel |
| .getElementId())); |
| } |
| } |
| } |
| } |
| } else if (item.isSeparator() || item.isGroupMarker()) { |
| MMenuElement menuElement = getMenuElement(item); |
| if (menuElement == null) { |
| MOpaqueMenuSeparator legacySep = MenuFactoryImpl.eINSTANCE |
| .createOpaqueMenuSeparator(); |
| legacySep.setElementId(item.getId()); |
| legacySep.setVisible(item.isVisible()); |
| legacySep.setOpaqueItem(item); |
| linkModelToContribution(legacySep, item); |
| modelChildren.add(dest, legacySep); |
| } else if (menuElement instanceof MOpaqueMenuSeparator) { |
| MOpaqueMenuSeparator legacySep = (MOpaqueMenuSeparator) menuElement; |
| oldSeps.remove(legacySep); |
| if (modelChildren.size() > dest) { |
| if (modelChildren.get(dest) != legacySep) { |
| modelChildren.remove(legacySep); |
| modelChildren.add(dest, legacySep); |
| } |
| } else { |
| modelChildren.add(legacySep); |
| } |
| } |
| } else { |
| MMenuElement menuElement = getMenuElement(item); |
| if (menuElement == null) { |
| MOpaqueMenuItem legacyItem = MenuFactoryImpl.eINSTANCE |
| .createOpaqueMenuItem(); |
| legacyItem.setElementId(item.getId()); |
| legacyItem.setVisible(item.isVisible()); |
| legacyItem.setOpaqueItem(item); |
| linkModelToContribution(legacyItem, item); |
| modelChildren.add(dest, legacyItem); |
| } else if (menuElement instanceof MOpaqueMenuItem) { |
| MOpaqueMenuItem legacyItem = (MOpaqueMenuItem) menuElement; |
| oldModelItems.remove(legacyItem); |
| if (modelChildren.size() > dest) { |
| if (modelChildren.get(dest) != legacyItem) { |
| modelChildren.remove(legacyItem); |
| modelChildren.add(dest, legacyItem); |
| } |
| } else { |
| modelChildren.add(legacyItem); |
| } |
| } |
| } |
| } |
| if (!oldModelItems.isEmpty()) { |
| modelChildren.removeAll(oldModelItems); |
| for (MOpaqueMenuItem model : oldModelItems) { |
| clearModelToContribution(model, |
| (IContributionItem) model.getOpaqueItem()); |
| } |
| } |
| if (!oldMenus.isEmpty()) { |
| modelChildren.removeAll(oldMenus); |
| for (MOpaqueMenu oldMenu : oldMenus) { |
| MenuManager oldManager = getManager(oldMenu); |
| clearModelToManager(oldMenu, oldManager); |
| } |
| } |
| if (!oldSeps.isEmpty()) { |
| modelChildren.removeAll(oldSeps); |
| for (MOpaqueMenuSeparator model : oldSeps) { |
| clearModelToContribution(model, |
| (IContributionItem) model.getOpaqueItem()); |
| } |
| } |
| } |
| |
| /** |
| * @param menuManager |
| * @param element |
| * @param evalContext |
| */ |
| public static void updateVisibility(MenuManager menuManager, |
| MMenuElement element, ExpressionContext evalContext) { |
| if (!(element.getVisibleWhen() instanceof MCoreExpression)) { |
| return; |
| } |
| boolean val = ContributionsAnalyzer.isVisible( |
| (MCoreExpression) element.getVisibleWhen(), evalContext); |
| if (val != element.isVisible()) { |
| element.setVisible(val); |
| menuManager.markDirty(); |
| } |
| } |
| |
| /** |
| * Clean dynamic menu contributions provided by |
| * {@link MDynamicMenuContribution} application model elements |
| * |
| * @param menuManager |
| * @param menuModel |
| * @param dump |
| */ |
| public void removeDynamicMenuContributions(MenuManager menuManager, |
| MMenu menuModel, ArrayList<MMenuElement> dump) { |
| removeMenuContributions(menuModel, dump); |
| for (MMenuElement mMenuElement : dump) { |
| IContributionItem ici = getContribution(mMenuElement); |
| menuManager.remove(ici); |
| clearModelToContribution(menuModel, ici); |
| } |
| } |
| } |
