/*******************************************************************************
* Copyright (c) 2008, 2010 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.e4.ui.internal.workbench.swt;
import java.io.IOException;
import java.io.InputStream;
import java.net.MalformedURLException;
import java.net.URL;
import java.util.ArrayList;
import java.util.List;
import java.util.Map;
import javax.annotation.PostConstruct;
import javax.annotation.PreDestroy;
import javax.inject.Inject;
import javax.inject.Named;
import org.eclipse.core.databinding.observable.Realm;
import org.eclipse.core.runtime.FileLocator;
import org.eclipse.e4.core.contexts.ContextInjectionFactory;
import org.eclipse.e4.core.contexts.EclipseContextFactory;
import org.eclipse.e4.core.contexts.IEclipseContext;
import org.eclipse.e4.core.di.IDisposable;
import org.eclipse.e4.core.di.annotations.Optional;
import org.eclipse.e4.core.services.contributions.IContributionFactory;
import org.eclipse.e4.core.services.events.IEventBroker;
import org.eclipse.e4.core.services.log.Logger;
import org.eclipse.e4.core.services.statusreporter.StatusReporter;
import org.eclipse.e4.ui.bindings.keys.KeyBindingDispatcher;
import org.eclipse.e4.ui.css.core.util.impl.resources.OSGiResourceLocator;
import org.eclipse.e4.ui.css.swt.engine.CSSSWTEngineImpl;
import org.eclipse.e4.ui.css.swt.theme.IThemeEngine;
import org.eclipse.e4.ui.css.swt.theme.IThemeManager;
import org.eclipse.e4.ui.internal.workbench.Activator;
import org.eclipse.e4.ui.internal.workbench.E4Workbench;
import org.eclipse.e4.ui.internal.workbench.Policy;
import org.eclipse.e4.ui.model.application.MApplication;
import org.eclipse.e4.ui.model.application.MApplicationElement;
import org.eclipse.e4.ui.model.application.MContribution;
import org.eclipse.e4.ui.model.application.ui.MContext;
import org.eclipse.e4.ui.model.application.ui.MElementContainer;
import org.eclipse.e4.ui.model.application.ui.MGenericStack;
import org.eclipse.e4.ui.model.application.ui.MUIElement;
import org.eclipse.e4.ui.model.application.ui.advanced.MPlaceholder;
import org.eclipse.e4.ui.model.application.ui.basic.MTrimmedWindow;
import org.eclipse.e4.ui.model.application.ui.basic.MWindow;
import org.eclipse.e4.ui.services.IStylingEngine;
import org.eclipse.e4.ui.workbench.IPresentationEngine;
import org.eclipse.e4.ui.workbench.IResourceUtilities;
import org.eclipse.e4.ui.workbench.IWorkbench;
import org.eclipse.e4.ui.workbench.UIEvents;
import org.eclipse.e4.ui.workbench.modeling.EModelService;
import org.eclipse.e4.ui.workbench.swt.factories.IRendererFactory;
import org.eclipse.e4.ui.workbench.swt.modeling.MenuServiceFilter;
import org.eclipse.emf.ecore.impl.EObjectImpl;
import org.eclipse.equinox.app.IApplication;
import org.eclipse.equinox.app.IApplicationContext;
import org.eclipse.jface.bindings.keys.SWTKeySupport;
import org.eclipse.jface.bindings.keys.formatting.KeyFormatterFactory;
import org.eclipse.jface.databinding.swt.SWTObservables;
import org.eclipse.swt.SWT;
import org.eclipse.swt.widgets.Composite;
import org.eclipse.swt.widgets.Control;
import org.eclipse.swt.widgets.Display;
import org.eclipse.swt.widgets.Shell;
import org.eclipse.swt.widgets.Widget;
import org.eclipse.ui.testing.TestableObject;
import org.osgi.framework.Bundle;
import org.osgi.framework.BundleContext;
import org.osgi.framework.ServiceReference;
import org.osgi.service.event.Event;
import org.osgi.service.event.EventHandler;
import org.w3c.dom.Element;
import org.w3c.dom.css.CSSStyleDeclaration;
public class PartRenderingEngine implements IPresentationEngine {
public static final String engineURI = "platform:/plugin/org.eclipse.e4.ui.workbench.swt/"
+ "org.eclipse.e4.ui.internal.workbench.swt.PartRenderingEngine";
private static final String defaultFactoryUrl = "platform:/plugin/org.eclipse.e4.ui.workbench.renderers.swt/"
+ "org.eclipse.e4.ui.workbench.renderers.swt.WorkbenchRendererFactory";
private String factoryUrl;
IRendererFactory curFactory = null;
MenuServiceFilter menuServiceFilter;
org.eclipse.swt.widgets.Listener keyListener;
// Life Cycle handlers
private EventHandler toBeRenderedHandler = new EventHandler() {
public void handleEvent(Event event) {
MUIElement changedElement = (MUIElement) event
.getProperty(UIEvents.EventTags.ELEMENT);
MElementContainer<?> parent = changedElement.getParent();
// Handle Detached Windows
if (parent == null && changedElement instanceof MWindow) {
parent = (MElementContainer<?>) ((EObjectImpl) changedElement)
.eContainer();
}
// If the parent isn't displayed who cares?
if (parent == null || parent.getWidget() == null)
return;
if (changedElement.isToBeRendered()) {
Activator.trace(Policy.DEBUG_RENDERER, "visible -> true", null); //$NON-NLS-1$
// Note that the 'createGui' protocol calls 'childAdded'
Widget w = (Widget) createGui(changedElement);
if (w instanceof Control && !(w instanceof Shell)) {
fixZOrder(changedElement);
}
} else {
Activator
.trace(Policy.DEBUG_RENDERER, "visible -> false", null); //$NON-NLS-1$
// Note that the 'removeGui' protocol calls 'childRemoved'
removeGui(changedElement);
}
}
};
private EventHandler visibilityHandler = new EventHandler() {
public void handleEvent(Event event) {
MUIElement changedElement = (MUIElement) event
.getProperty(UIEvents.EventTags.ELEMENT);
if (!(changedElement.getWidget() instanceof Control))
return;
Control ctrl = (Control) changedElement.getWidget();
MElementContainer<MUIElement> parent = changedElement.getParent();
if (parent == null)
return;
AbstractPartRenderer renderer = (AbstractPartRenderer) parent
.getRenderer();
if (renderer == null)
return;
// Re-parent the control based on the visible state
if (changedElement.isVisible()) {
// Ensure that the control is under its 'real' parent if it's
// visible
Composite realComp = (Composite) renderer
.getUIContainer(changedElement);
ctrl.setParent(realComp);
fixZOrder(changedElement);
renderer.childRendered(parent, changedElement);
} else {
// Put the control under the 'limbo' shell
ctrl.setParent(getLimboShell());
renderer.hideChild(parent, changedElement);
}
}
};
private EventHandler trimHandler = new EventHandler() {
public void handleEvent(Event event) {
Object changedObj = event.getProperty(UIEvents.EventTags.ELEMENT);
if (!(changedObj instanceof MTrimmedWindow))
return;
MTrimmedWindow window = (MTrimmedWindow) changedObj;
if (window.getWidget() == null)
return;
String eventType = (String) event
.getProperty(UIEvents.EventTags.TYPE);
if (UIEvents.EventTypes.ADD.equals(eventType)) {
MUIElement added = (MUIElement) event
.getProperty(UIEvents.EventTags.NEW_VALUE);
if (added.isToBeRendered())
createGui(added, window.getWidget(), window.getContext());
} else if (UIEvents.EventTypes.REMOVE.equals(eventType)) {
MUIElement removed = (MUIElement) event
.getProperty(UIEvents.EventTags.OLD_VALUE);
if (removed.getRenderer() != null)
removeGui(removed);
}
}
};
private EventHandler childrenHandler = new EventHandler() {
public void handleEvent(Event event) {
Object changedObj = event.getProperty(UIEvents.EventTags.ELEMENT);
if (!(changedObj instanceof MElementContainer<?>))
return;
MElementContainer<MUIElement> changedElement = (MElementContainer<MUIElement>) changedObj;
boolean isApplication = changedObj instanceof MApplication;
// If the parent isn't in the UI then who cares?
AbstractPartRenderer renderer = getRendererFor(changedElement);
if (!isApplication && renderer == null)
return;
String eventType = (String) event
.getProperty(UIEvents.EventTags.TYPE);
if (UIEvents.EventTypes.ADD.equals(eventType)) {
Activator.trace(Policy.DEBUG_RENDERER, "Child Added", null); //$NON-NLS-1$
MUIElement added = (MUIElement) event
.getProperty(UIEvents.EventTags.NEW_VALUE);
// OK, we have a new -visible- part we either have to create
// it or host it under the correct parent. Note that we
// explicitly do *not* render non-selected elements in
// stacks (to support lazy loading).
boolean isStack = changedObj instanceof MGenericStack<?>;
boolean hasWidget = added.getWidget() != null;
boolean isSelected = added == changedElement
.getSelectedElement();
boolean renderIt = !isStack || hasWidget || isSelected;
if (renderIt) {
// NOTE: createGui will call 'childAdded' if successful
Object w = createGui(added);
if (w instanceof Control && !(w instanceof Shell)) {
fixZOrder(added);
((Control) w).getShell().layout(
new Control[] { (Control) w }, SWT.DEFER);
}
} else {
if (renderer != null)
renderer.childRendered(changedElement, added);
}
} else if (UIEvents.EventTypes.REMOVE.equals(eventType)) {
Activator.trace(Policy.DEBUG_RENDERER, "Child Removed", null); //$NON-NLS-1$
MUIElement removed = (MUIElement) event
.getProperty(UIEvents.EventTags.OLD_VALUE);
// Removing invisible elements is a NO-OP as far as the
// renderer is concerned
if (!removed.isToBeRendered())
return;
if (removed.getWidget() instanceof Control) {
Control ctrl = (Control) removed.getWidget();
ctrl.setLayoutData(null);
ctrl.getParent().layout(new Control[] { ctrl },
SWT.CHANGED | SWT.DEFER);
}
if (renderer != null)
renderer.hideChild(changedElement, removed);
}
}
};
private IEclipseContext appContext;
protected Shell testShell;
protected MApplication theApp;
@Inject
@Optional
protected IEventBroker eventBroker;
@Inject
EModelService modelService;
@Inject
protected Logger logger;
private Shell limbo;
private List<MUIElement> renderedElements = new ArrayList<MUIElement>();
private MUIElement removeRoot = null;
@Inject
public PartRenderingEngine(
@Named(E4Workbench.RENDERER_FACTORY_URI) @Optional String factoryUrl) {
if (factoryUrl == null) {
factoryUrl = defaultFactoryUrl;
}
this.factoryUrl = factoryUrl;
}
protected void fixZOrder(MUIElement element) {
MElementContainer<MUIElement> parent = element.getParent();
if (parent == null || !(element.getWidget() instanceof Control))
return;
Control elementCtrl = (Control) element.getWidget();
Control prevCtrl = null;
for (MUIElement kid : parent.getChildren()) {
if (kid == element) {
if (prevCtrl != null)
elementCtrl.moveBelow(prevCtrl);
else
elementCtrl.moveAbove(null);
return;
} else if (kid.getWidget() instanceof Control) {
prevCtrl = (Control) kid.getWidget();
}
}
}
/**
* Initialize a part renderer from the extension point.
*
* @param context
* the context for the part factories
*/
@PostConstruct
void initialize(IEclipseContext context) {
this.appContext = context;
// initialize the correct key-binding display formatter
KeyFormatterFactory.setDefault(SWTKeySupport
.getKeyFormatterForPlatform());
// Add the renderer to the context
context.set(IPresentationEngine.class.getName(), this);
IRendererFactory factory = null;
IContributionFactory contribFactory = context
.get(IContributionFactory.class);
try {
factory = (IRendererFactory) contribFactory.create(factoryUrl,
context);
} catch (Exception e) {
logger.warn(e, "Could not create rendering factory");
}
// Try to load the default one
if (factory == null) {
try {
factory = (IRendererFactory) contribFactory.create(
defaultFactoryUrl, context);
} catch (Exception e) {
logger.error(e, "Could not create default rendering factory");
}
}
if (factory == null) {
throw new IllegalStateException(
"Could not create any rendering factory. Aborting ...");
}
curFactory = factory;
context.set(IRendererFactory.class, curFactory);
// Hook up the widget life-cycle subscriber
if (eventBroker != null) {
eventBroker.subscribe(UIEvents.buildTopic(UIEvents.UIElement.TOPIC,
UIEvents.UIElement.TOBERENDERED), toBeRenderedHandler);
eventBroker.subscribe(UIEvents.buildTopic(UIEvents.UIElement.TOPIC,
UIEvents.UIElement.VISIBLE), visibilityHandler);
eventBroker.subscribe(UIEvents.buildTopic(
UIEvents.ElementContainer.TOPIC,
UIEvents.ElementContainer.CHILDREN), childrenHandler);
eventBroker.subscribe(UIEvents.buildTopic(
UIEvents.TrimmedWindow.TOPIC,
UIEvents.TrimmedWindow.TRIMBARS), trimHandler);
}
}
@PreDestroy
void contextDisposed() {
if (eventBroker == null)
return;
eventBroker.unsubscribe(toBeRenderedHandler);
eventBroker.unsubscribe(visibilityHandler);
eventBroker.unsubscribe(childrenHandler);
eventBroker.unsubscribe(trimHandler);
}
private static void populateModelInterfaces(MContext contextModel,
IEclipseContext context, Class<?>[] interfaces) {
for (Class<?> intf : interfaces) {
Activator.trace(Policy.DEBUG_CONTEXTS,
"Adding " + intf.getName() + " for " //$NON-NLS-1$ //$NON-NLS-2$
+ contextModel.getClass().getName(), null);
context.set(intf.getName(), contextModel);
populateModelInterfaces(contextModel, context, intf.getInterfaces());
}
}
private String getContextName(MUIElement element) {
StringBuilder builder = new StringBuilder(element.getClass()
.getSimpleName());
String elementId = element.getElementId();
if (elementId != null && elementId.length() != 0) {
builder.append(" (").append(elementId).append(") ");
}
builder.append("Context");
return builder.toString();
}
public Object createGui(MUIElement element, Object parentWidget,
IEclipseContext parentContext) {
if (!element.isToBeRendered())
return null;
if (!renderedElements.contains(element))
renderedElements.add(element);
// no creates while processing a remove
if (removeRoot != null) {
return null;
}
if (element.getWidget() != null) {
if (element.getWidget() instanceof Control
&& parentWidget instanceof Composite) {
Control ctrl = (Control) element.getWidget();
if (ctrl.getParent() != parentWidget) {
ctrl.setParent((Composite) parentWidget);
}
}
// Now that we have a widget let the parent (if any) know
if (element.getParent() instanceof MUIElement) {
MElementContainer<MUIElement> parentElement = element
.getParent();
AbstractPartRenderer parentRenderer = getRendererFor(parentElement);
if (parentRenderer != null)
parentRenderer.childRendered(parentElement, element);
}
return element.getWidget();
}
if (element instanceof MContext) {
MContext ctxt = (MContext) element;
// Assert.isTrue(ctxt.getContext() == null,
// "Before rendering Context should be null");
if (ctxt.getContext() == null) {
IEclipseContext lclContext = parentContext
.createChild(getContextName(element));
populateModelInterfaces(ctxt, lclContext, element.getClass()
.getInterfaces());
ctxt.setContext(lclContext);
// System.out.println("New Context: " + lclContext.toString()
// + " parent: " + parentContext.toString());
// make sure the context knows about these variables that have
// been defined in the model
for (String variable : ctxt.getVariables()) {
lclContext.declareModifiable(variable);
}
Map<String, String> props = ctxt.getProperties();
for (String key : props.keySet()) {
lclContext.set(key, props.get(key));
}
E4Workbench.processHierarchy(element);
}
}
// Create a control appropriate to the part
Object newWidget = createWidget(element, parentWidget);
// Remember that we've created the control
if (newWidget != null) {
AbstractPartRenderer renderer = getRendererFor(element);
// Have the renderer hook up any widget specific listeners
renderer.hookControllerLogic(element);
// Process its internal structure through the renderer that created
// it
if (element instanceof MElementContainer) {
renderer.processContents((MElementContainer<MUIElement>) element);
}
// Allow a final chance to set up
renderer.postProcess(element);
// Now that we have a widget let the parent (if any) know
if (element.getParent() instanceof MUIElement) {
MElementContainer<MUIElement> parentElement = element
.getParent();
AbstractPartRenderer parentRenderer = getRendererFor(parentElement);
if (parentRenderer != null)
parentRenderer.childRendered(parentElement, element);
}
} else {
// failed to create the widget, dispose its context if necessary
if (element instanceof MContext) {
MContext ctxt = (MContext) element;
IEclipseContext lclContext = ctxt.getContext();
if (lclContext instanceof IDisposable) {
((IDisposable) lclContext).dispose();
}
}
}
return newWidget;
}
private IEclipseContext getContext(MElementContainer<MUIElement> parent) {
if (parent instanceof MContext) {
return ((MContext) parent).getContext();
}
return modelService.getContainingContext(parent);
}
public Object createGui(MUIElement element) {
// Obtain the necessary parent widget
Object parent = null;
MUIElement parentME = element.getParent();
if (parentME == null)
parentME = (MUIElement) ((EObjectImpl) element).eContainer();
if (parentME != null) {
AbstractPartRenderer renderer = getRendererFor(parentME);
if (renderer != null) {
if (!element.isVisible()) {
parent = getLimboShell();
} else {
parent = renderer.getUIContainer(element);
}
}
}
// Obtain the necessary parent context
IEclipseContext parentContext = null;
if (element.getCurSharedRef() != null) {
MPlaceholder ph = element.getCurSharedRef();
parentContext = getContext(ph.getParent());
} else if (parentContext == null && element.getParent() != null) {
parentContext = getContext(element.getParent());
} else if (parentContext == null && element.getParent() == null) {
parentContext = getContext((MElementContainer<MUIElement>) ((EObjectImpl) element)
.eContainer());
}
return createGui(element, parent, parentContext);
}
private Shell getLimboShell() {
if (limbo == null) {
limbo = new Shell(Display.getCurrent(), SWT.NONE);
limbo.setBackgroundMode(SWT.INHERIT_DEFAULT);
limbo.setData(ShellActivationListener.DIALOG_IGNORE_KEY,
Boolean.TRUE);
}
return limbo;
}
/**
* @param element
*/
public void removeGui(MUIElement element) {
if (removeRoot == null)
removeRoot = element;
renderedElements.remove(element);
// We call 'hideChild' *before* checking if the actual element
// has been rendered in order to pick up cases of 'lazy loading'
MUIElement parent = element.getParent();
AbstractPartRenderer parentRenderer = parent != null ? getRendererFor(parent)
: null;
if (parentRenderer != null) {
parentRenderer.hideChild(element.getParent(), element);
}
AbstractPartRenderer renderer = getRendererFor(element);
// If the element hasn't been rendered then this is a NO-OP
if (renderer != null) {
if (element instanceof MElementContainer<?>) {
MElementContainer<MUIElement> container = (MElementContainer<MUIElement>) element;
for (MUIElement child : container.getChildren()) {
removeGui(child);
}
}
renderer.disposeWidget(element);
// unset the client object
if (element instanceof MContribution) {
IEclipseContext parentContext = renderer.getContext(element);
ContextInjectionFactory.uninject(
((MContribution) element).getObject(), parentContext);
((MContribution) element).setObject(null);
}
// dispose the context
if (element instanceof MContext) {
clearContext((MContext) element);
}
}
if (removeRoot == element)
removeRoot = null;
}
private void clearContext(MContext contextME) {
MContext ctxt = (MContext) contextME;
IEclipseContext lclContext = ctxt.getContext();
if (lclContext != null) {
IEclipseContext parentContext = lclContext.getParent();
IEclipseContext child = parentContext.getActiveChild();
if (child == lclContext) {
child.deactivate();
}
ctxt.setContext(null);
if (lclContext instanceof IDisposable) {
((IDisposable) lclContext).dispose();
}
}
}
protected Object createWidget(MUIElement element, Object parent) {
AbstractPartRenderer renderer = getRenderer(element, parent);
if (renderer != null) {
// Remember which renderer is responsible for this widget
element.setRenderer(renderer);
Object newWidget = renderer.createWidget(element, parent);
if (newWidget != null) {
renderer.bindWidget(element, newWidget);
return newWidget;
}
}
return null;
}
private AbstractPartRenderer getRenderer(MUIElement uiElement, Object parent) {
return curFactory.getRenderer(uiElement, parent);
}
protected AbstractPartRenderer getRendererFor(MUIElement element) {
return (AbstractPartRenderer) element.getRenderer();
}
public Object run(final MApplicationElement uiRoot,
final IEclipseContext runContext) {
final Display display = Display.getDefault();
Realm.runWithDefault(SWTObservables.getRealm(display), new Runnable() {
public void run() {
initializeStyling(display, runContext);
// Register an SWT resource handler
runContext.set(IResourceUtilities.class.getName(),
new ResourceUtility());
// set up the keybinding manager
KeyBindingDispatcher dispatcher = (KeyBindingDispatcher) ContextInjectionFactory
.make(KeyBindingDispatcher.class, runContext);
runContext.set(KeyBindingDispatcher.class.getName(), dispatcher);
keyListener = dispatcher.getKeyDownFilter();
display.addFilter(SWT.KeyDown, keyListener);
display.addFilter(SWT.Traverse, keyListener);
menuServiceFilter = ContextInjectionFactory.make(
MenuServiceFilter.class, runContext);
display.addFilter(SWT.Show, menuServiceFilter);
display.addFilter(SWT.Hide, menuServiceFilter);
display.addFilter(SWT.Dispose, menuServiceFilter);
runContext.set(MenuServiceFilter.class, menuServiceFilter);
// Show the initial UI
// Create a 'limbo' shell (used to host controls that shouldn't
// be in the current layout)
Shell limbo = getLimboShell();
runContext.set("limbo", limbo);
// HACK!! we should loop until the display gets disposed...
// ...then we listen for the last 'main' window to get disposed
// and dispose the Display
testShell = null;
theApp = null;
boolean spinOnce = true;
if (uiRoot instanceof MApplication) {
ShellActivationListener shellDialogListener = new ShellActivationListener(
(MApplication) uiRoot);
display.addFilter(SWT.Activate, shellDialogListener);
display.addFilter(SWT.Deactivate, shellDialogListener);
spinOnce = false; // loop until the app closes
theApp = (MApplication) uiRoot;
// long startTime = System.currentTimeMillis();
MWindow selected = theApp.getSelectedElement();
if (selected == null) {
for (MWindow window : theApp.getChildren()) {
createGui(window);
}
} else {
// render the selected one first
createGui(selected);
for (MWindow window : theApp.getChildren()) {
if (selected != window) {
createGui(window);
}
}
}
// long endTime = System.currentTimeMillis();
// System.out.println("Render: " + (endTime - startTime));
// tell the app context we are starting so the splash is
// torn down
IApplicationContext ac = appContext
.get(IApplicationContext.class);
if (ac != null)
ac.applicationRunning();
} else if (uiRoot instanceof MUIElement) {
if (uiRoot instanceof MWindow) {
testShell = (Shell) createGui((MUIElement) uiRoot);
} else {
// Special handling for partial models (for testing...)
testShell = new Shell(display, SWT.SHELL_TRIM);
createGui((MUIElement) uiRoot, testShell, null);
}
}
TestableObject testableObject = (TestableObject) runContext
.get(TestableObject.class.getName());
if (testableObject instanceof E4Testable) {
((E4Testable) testableObject).init(display,
(IWorkbench) runContext.get(IWorkbench.class
.getName()));
}
// Spin the event loop until someone disposes the display
while (((testShell != null && !testShell.isDisposed()) || (!theApp
.getChildren().isEmpty() && someAreVisible(theApp
.getChildren())))
&& !display.isDisposed()) {
try {
if (!display.readAndDispatch()) {
runContext.processWaiting();
if (spinOnce)
return;
display.sleep();
}
} catch (ThreadDeath th) {
throw th;
} catch (Exception ex) {
handle(ex, runContext);
} catch (Error err) {
handle(err, runContext);
}
}
if (!spinOnce) {
cleanUp();
}
}
private void handle(Throwable ex, final IEclipseContext appContext) {
StatusReporter statusReporter = (StatusReporter) appContext
.get(StatusReporter.class.getName());
if (statusReporter != null) {
statusReporter.show(StatusReporter.ERROR, "Internal Error",
ex);
} else {
if (logger != null) {
logger.error(ex);
}
}
}
});
return IApplication.EXIT_OK;
}
protected boolean someAreVisible(List<MWindow> windows) {
for (MWindow win : windows) {
if (win.isToBeRendered() && win.isVisible()
&& win.getWidget() != null) {
return true;
}
}
return false;
}
public void stop() {
// FIXME Without this call the test-suite fails
cleanUp();
if (theApp != null) {
for (MWindow window : theApp.getChildren()) {
if (window.getWidget() != null) {
((Shell) window.getWidget()).close();
}
}
} else if (testShell != null && !testShell.isDisposed()) {
testShell.close();
}
}
/*
* There are situations where this is called more than once until we know
* why this is needed we should make this safe for multiple calls
*/
private void cleanUp() {
if (menuServiceFilter != null) {
Display display = Display.getDefault();
if (!display.isDisposed()) {
display.removeFilter(SWT.Show, menuServiceFilter);
display.removeFilter(SWT.Hide, menuServiceFilter);
display.removeFilter(SWT.Dispose, menuServiceFilter);
menuServiceFilter.dispose();
menuServiceFilter = null;
appContext.remove(MenuServiceFilter.class);
}
}
if (keyListener != null) {
Display display = Display.getDefault();
if (!display.isDisposed()) {
display.removeFilter(SWT.KeyDown, keyListener);
display.removeFilter(SWT.Traverse, keyListener);
keyListener = null;
}
}
}
public static void initializeStyling(Display display,
IEclipseContext appContext) {
String cssTheme = (String) appContext.get(E4Application.THEME_ID);
String cssURI = (String) appContext.get(E4Workbench.CSS_URI_ARG);
if (cssTheme != null) {
String cssResourcesURI = (String) appContext
.get(E4Workbench.CSS_RESOURCE_URI_ARG);
Bundle bundle = WorkbenchSWTActivator.getDefault().getBundle();
BundleContext context = bundle.getBundleContext();
ServiceReference ref = context
.getServiceReference(IThemeManager.class.getName());
IThemeManager mgr = (IThemeManager) context.getService(ref);
final IThemeEngine engine = mgr.getEngineForDisplay(display);
// Store the app context
IContributionFactory contribution = (IContributionFactory) appContext
.get(IContributionFactory.class.getName());
IEclipseContext cssContext = EclipseContextFactory.create();
cssContext.set(IContributionFactory.class.getName(), contribution);
display.setData("org.eclipse.e4.ui.css.context", cssContext); //$NON-NLS-1$
// Create the OSGi resource locator
if (cssResourcesURI != null) {
// TODO: Should this be set through an extension as well?
engine.registerResourceLocator(new OSGiResourceLocator(
cssResourcesURI));
}
engine.restore(cssTheme);
// TODO Should we create an empty default theme?
appContext.set(IThemeEngine.class.getName(), engine);
appContext.set(IStylingEngine.SERVICE_NAME, new IStylingEngine() {
public void setClassname(Object widget, String classname) {
((Widget) widget).setData(
"org.eclipse.e4.ui.css.CssClassName", classname); //$NON-NLS-1$
engine.applyStyles((Widget) widget, true);
}
public void setId(Object widget, String id) {
((Widget) widget).setData("org.eclipse.e4.ui.css.id", id); //$NON-NLS-1$
engine.applyStyles((Widget) widget, true);
}
public void style(Object widget) {
engine.applyStyles((Widget) widget, true);
}
public CSSStyleDeclaration getStyle(Object widget) {
return engine.getStyle((Widget) widget);
}
public void setClassnameAndId(Object widget, String classname,
String id) {
((Widget) widget).setData(
"org.eclipse.e4.ui.css.CssClassName", classname); //$NON-NLS-1$
((Widget) widget).setData("org.eclipse.e4.ui.css.id", id); //$NON-NLS-1$
engine.applyStyles((Widget) widget, true);
}
});
} else if (cssURI != null) {
String cssResourcesURI = (String) appContext
.get(E4Workbench.CSS_RESOURCE_URI_ARG);
final CSSSWTEngineImpl engine = new CSSSWTEngineImpl(display, true);
if (cssResourcesURI != null) {
engine.getResourcesLocatorManager().registerResourceLocator(
new OSGiResourceLocator(cssResourcesURI.toString()));
}
display.setData("org.eclipse.e4.ui.css.context", appContext); //$NON-NLS-1$
appContext.set(IStylingEngine.SERVICE_NAME, new IStylingEngine() {
public void setClassname(Object widget, String classname) {
((Widget) widget).setData(
"org.eclipse.e4.ui.css.CssClassName", classname); //$NON-NLS-1$
engine.applyStyles((Widget) widget, true);
}
public void setId(Object widget, String id) {
((Widget) widget).setData("org.eclipse.e4.ui.css.id", id); //$NON-NLS-1$
engine.applyStyles((Widget) widget, true);
}
public void style(Object widget) {
engine.applyStyles((Widget) widget, true);
}
public CSSStyleDeclaration getStyle(Object widget) {
Element e = engine.getCSSElementContext(widget)
.getElement();
if (e == null) {
return null;
}
return engine.getViewCSS().getComputedStyle(e, null);
}
public void setClassnameAndId(Object widget, String classname,
String id) {
((Widget) widget).setData(
"org.eclipse.e4.ui.css.CssClassName", classname); //$NON-NLS-1$
((Widget) widget).setData("org.eclipse.e4.ui.css.id", id); //$NON-NLS-1$
engine.applyStyles((Widget) widget, true);
}
});
URL url;
InputStream stream = null;
try {
url = FileLocator.resolve(new URL(cssURI));
stream = url.openStream();
engine.parseStyleSheet(stream);
} catch (MalformedURLException e) {
// TODO Auto-generated catch block
e.printStackTrace();
} catch (IOException e) {
// TODO Auto-generated catch block
e.printStackTrace();
} finally {
if (stream != null) {
try {
stream.close();
} catch (IOException e) {
// TODO Auto-generated catch block
e.printStackTrace();
}
}
}
Shell[] shells = display.getShells();
for (Shell s : shells) {
try {
s.setRedraw(false);
s.reskin(SWT.ALL);
engine.applyStyles(s, true);
} catch (Exception e) {
// TODO Auto-generated catch block
e.printStackTrace();
} finally {
s.setRedraw(true);
}
}
}
}
}
