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/*******************************************************************************
* Copyright (c) 2010, 2015 BestSolution.at and others.
*
* This program and the accompanying materials
* are made available under the terms of the Eclipse Public License 2.0
* which accompanies this distribution, and is available at
* https://www.eclipse.org/legal/epl-2.0/
*
* SPDX-License-Identifier: EPL-2.0
*
* Contributors:
* Tom Schindl <tom.schindl@bestsolution.at> - initial API and implementation
* Lars Vogel <Lars.Vogel@gmail.com> - Bug 421453
******************************************************************************/
package org.eclipse.e4.tools.compat.internal;
import org.eclipse.core.databinding.observable.Realm;
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.services.log.ILoggerProvider;
import org.eclipse.e4.core.services.log.Logger;
import org.eclipse.e4.tools.services.IClipboardService;
import org.eclipse.e4.ui.css.swt.theme.IThemeEngine;
import org.eclipse.e4.ui.css.swt.theme.IThemeManager;
import org.eclipse.e4.ui.di.UISynchronize;
import org.eclipse.e4.ui.services.IServiceConstants;
import org.eclipse.e4.ui.services.IStylingEngine;
import org.eclipse.jface.viewers.ISelection;
import org.eclipse.jface.viewers.IStructuredSelection;
import org.eclipse.swt.widgets.Display;
import org.eclipse.swt.widgets.Widget;
import org.eclipse.ui.ISelectionListener;
import org.eclipse.ui.ISelectionService;
import org.eclipse.ui.IWorkbenchPart;
import org.eclipse.ui.IWorkbenchPartSite;
import org.eclipse.ui.IWorkbenchWindow;
import org.eclipse.ui.internal.services.IWorkbenchLocationService;
import org.eclipse.ui.services.AbstractServiceFactory;
import org.eclipse.ui.services.IServiceLocator;
import org.osgi.framework.Bundle;
import org.osgi.framework.BundleContext;
import org.osgi.framework.FrameworkUtil;
import org.w3c.dom.css.CSSStyleDeclaration;
@SuppressWarnings("restriction")
public class ContextServiceFactory extends AbstractServiceFactory {
@Override
public Object create(Class serviceInterface, IServiceLocator parentLocator,
IServiceLocator locator) {
if (!IEclipseContext.class.equals(serviceInterface)) {
return null;
}
final IWorkbenchLocationService wls = locator.getService(IWorkbenchLocationService.class);
final IWorkbenchWindow window = wls.getWorkbenchWindow();
final IWorkbenchPartSite site = wls.getPartSite();
@SuppressWarnings("unchecked")
final Object o = parentLocator.getService(serviceInterface);
// This happens when we run in plain 3.x
// We need to create a parent service context
if (window == null && site == null) {
final Bundle bundle = FrameworkUtil.getBundle(ContextServiceFactory.class);
final BundleContext bundleContext = bundle.getBundleContext();
final IEclipseContext serviceContext = EclipseContextFactory.getServiceContext(bundleContext);
final IEclipseContext appContext = serviceContext.createChild("WorkbenchContext"); //$NON-NLS-1$
appContext.set(Display.class, Display.getCurrent());
appContext.set(Logger.class, new WorkbenchLogger());
appContext.set(IClipboardService.class, new ClipboardServiceImpl());
appContext.set(Realm.class, Realm.getDefault());
final Display d = Display.getCurrent();
appContext.set(UISynchronize.class, new UISynchronize() {
@Override
public void syncExec(Runnable runnable) {
d.syncExec(runnable);
}
@Override
public void asyncExec(Runnable runnable) {
d.asyncExec(runnable);
}
});
final IThemeManager manager = serviceContext.get(IThemeManager.class);
final IThemeEngine engine = manager.getEngineForDisplay(Display.getCurrent());
appContext.set(IThemeEngine.class, engine);
appContext.set(IStylingEngine.class, new IStylingEngine() {
@Override
public void setClassname(Object widget, String classname) {
((Widget) widget).setData("org.eclipse.e4.ui.css.CssClassName", classname); //$NON-NLS-1$
engine.applyStyles(widget, true);
}
@Override
public void setId(Object widget, String id) {
((Widget) widget).setData("org.eclipse.e4.ui.css.id", id); //$NON-NLS-1$
engine.applyStyles(widget, true);
}
@Override
public void style(Object widget) {
engine.applyStyles(widget, true);
}
@Override
public CSSStyleDeclaration getStyle(Object widget) {
return engine.getStyle(widget);
}
@Override
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, true);
}
});
if (appContext.get(ILoggerProvider.class) == null) {
appContext.set(ILoggerProvider.class,
ContextInjectionFactory.make(DefaultLoggerProvider.class, appContext));
}
return appContext;
} else if (o != null && site == null) {
final IEclipseContext windowContext = ((IEclipseContext) o).createChild("WindowContext(" + window + ")"); //$NON-NLS-1$ //$NON-NLS-2$
windowContext.set(ISelectionService.class, window.getSelectionService());
windowContext.declareModifiable(IServiceConstants.ACTIVE_SELECTION);
window.getSelectionService().addSelectionListener(new ISelectionListener() {
@Override
public void selectionChanged(IWorkbenchPart part, ISelection selection) {
if (!selection.isEmpty()) {
if (selection instanceof IStructuredSelection) {
final IStructuredSelection s = (IStructuredSelection) selection;
if (s.size() == 1) {
windowContext.set(IServiceConstants.ACTIVE_SELECTION, s.getFirstElement());
} else {
windowContext.set(IServiceConstants.ACTIVE_SELECTION, s.toList());
}
} else {
windowContext.set(IServiceConstants.ACTIVE_SELECTION, selection);
}
}
}
});
return windowContext;
}
return o;
}
}
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