| /******************************************************************************* |
| * Copyright (c) 2006 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.jst.jsp.css.ui.internal.views.properties; |
| |
| import java.util.ArrayList; |
| import java.util.HashSet; |
| import java.util.List; |
| import java.util.Set; |
| |
| import org.eclipse.core.runtime.IProgressMonitor; |
| import org.eclipse.core.runtime.IStatus; |
| import org.eclipse.core.runtime.Status; |
| import org.eclipse.core.runtime.jobs.Job; |
| import org.eclipse.jface.viewers.ISelection; |
| import org.eclipse.jface.viewers.IStructuredSelection; |
| import org.eclipse.jface.viewers.StructuredSelection; |
| import org.eclipse.jst.jsp.css.ui.internal.properties.JSPedCSSPropertySource; |
| import org.eclipse.ui.IWorkbenchPart; |
| import org.eclipse.ui.progress.UIJob; |
| import org.eclipse.ui.views.properties.IPropertySheetPage; |
| import org.eclipse.ui.views.properties.IPropertySource; |
| import org.eclipse.ui.views.properties.IPropertySourceProvider; |
| import org.eclipse.ui.views.properties.PropertySheetPage; |
| import org.eclipse.wst.css.core.internal.provisional.document.ICSSNode; |
| import org.eclipse.wst.sse.core.internal.provisional.INodeAdapter; |
| import org.eclipse.wst.sse.core.internal.provisional.INodeNotifier; |
| import org.eclipse.wst.sse.ui.views.properties.PropertySheetConfiguration; |
| import org.eclipse.wst.xml.ui.internal.XMLUIMessages; |
| |
| public class JSPedCSSPropertySheetConfiguration extends PropertySheetConfiguration { |
| private class CSSPropertySheetRefreshAdapter implements INodeAdapter { |
| public boolean isAdapterForType(Object type) { |
| return false; |
| } |
| |
| public void notifyChanged(INodeNotifier notifier, int eventType, Object changedFeature, Object oldValue, Object newValue, int pos) { |
| if (fPropertySheetPage != null) { |
| getPropertiesRefreshJob().addPropertySheetPage(fPropertySheetPage); |
| } |
| } |
| } |
| |
| private class CSSPropertySourceProvider implements IPropertySourceProvider { |
| private IPropertySource fPropertySource = null; |
| private ICSSNode fSource = null; |
| |
| public IPropertySource getPropertySource(Object object) { |
| if (fSource != null && object.equals(fSource)) { |
| return fPropertySource; |
| } |
| |
| if (object instanceof ICSSNode) { |
| fSource = (ICSSNode)object; |
| fPropertySource = new JSPedCSSPropertySource(fSource); |
| } |
| else { |
| fSource = null; |
| fPropertySource = null; |
| } |
| return fPropertySource; |
| } |
| } |
| |
| private class PropertiesRefreshJob extends UIJob { |
| public static final int UPDATE_DELAY = 200; |
| |
| private Set propertySheetPages = null; |
| |
| public PropertiesRefreshJob() { |
| super(XMLUIMessages.JFaceNodeAdapter_1); |
| setSystem(true); |
| setPriority(Job.SHORT); |
| propertySheetPages = new HashSet(1); |
| } |
| |
| void addPropertySheetPage(IPropertySheetPage page) { |
| propertySheetPages.add(page); |
| schedule(UPDATE_DELAY); |
| } |
| |
| public IStatus runInUIThread(IProgressMonitor monitor) { |
| Object[] pages = propertySheetPages.toArray(); |
| propertySheetPages.clear(); |
| |
| for (int i = 0; i < pages.length; i++) { |
| PropertySheetPage page = (PropertySheetPage) pages[i]; |
| if (page.getControl() != null && !page.getControl().isDisposed()) { |
| page.refresh(); |
| } |
| } |
| |
| return Status.OK_STATUS; |
| } |
| } |
| |
| private PropertiesRefreshJob fPropertiesRefreshJob = null; |
| |
| IPropertySheetPage fPropertySheetPage; |
| |
| private IPropertySourceProvider fPropertySourceProvider = null; |
| |
| private INodeAdapter fRefreshAdapter = new CSSPropertySheetRefreshAdapter(); |
| |
| private INodeNotifier[] fSelectedNotifiers; |
| |
| /** |
| * Create new instance of CSSPropertySheetConfiguration |
| */ |
| public JSPedCSSPropertySheetConfiguration() { |
| // Must have empty constructor to createExecutableExtension |
| super(); |
| } |
| |
| public ISelection getInputSelection(IWorkbenchPart selectingPart, ISelection selection) { |
| // remove UI refresh adapters |
| if (fSelectedNotifiers != null) { |
| for (int i = 0; i < fSelectedNotifiers.length; i++) { |
| fSelectedNotifiers[i].removeAdapter(fRefreshAdapter); |
| } |
| fSelectedNotifiers = null; |
| } |
| |
| ISelection preferredSelection = super.getInputSelection(selectingPart, selection); |
| if (preferredSelection instanceof IStructuredSelection) { |
| Object[] selectedObjects = new Object[((IStructuredSelection) selection).size()]; |
| System.arraycopy(((IStructuredSelection) selection).toArray(), 0, selectedObjects, 0, selectedObjects.length); |
| for (int i = 0; i < selectedObjects.length; i++) { |
| if (selectedObjects[i] instanceof ICSSNode) { |
| ICSSNode node = (ICSSNode) selectedObjects[i]; |
| while (node.getNodeType() == ICSSNode.PRIMITIVEVALUE_NODE || node.getNodeType() == ICSSNode.STYLEDECLITEM_NODE) { |
| node = node.getParentNode(); |
| selectedObjects[i] = node; |
| } |
| } |
| } |
| |
| /* |
| * Add UI refresh adapters and remember notifiers for later |
| * removal |
| */ |
| if (selectedObjects.length > 0) { |
| List selectedNotifiers = new ArrayList(1); |
| for (int i = 0; i < selectedObjects.length; i++) { |
| if (selectedObjects[i] instanceof INodeNotifier) { |
| selectedNotifiers.add(selectedObjects[i]); |
| ((INodeNotifier) selectedObjects[i]).addAdapter(fRefreshAdapter); |
| } |
| } |
| fSelectedNotifiers = (INodeNotifier[]) selectedNotifiers.toArray(new INodeNotifier[selectedNotifiers.size()]); |
| } |
| preferredSelection = new StructuredSelection(selectedObjects); |
| } |
| return preferredSelection; |
| } |
| |
| PropertiesRefreshJob getPropertiesRefreshJob() { |
| if (fPropertiesRefreshJob == null) { |
| fPropertiesRefreshJob = new PropertiesRefreshJob(); |
| } |
| return fPropertiesRefreshJob; |
| } |
| |
| public IPropertySourceProvider getPropertySourceProvider(IPropertySheetPage page) { |
| if (fPropertySourceProvider == null) { |
| fPropertySourceProvider = new CSSPropertySourceProvider(); |
| fPropertySheetPage = page; |
| } |
| return fPropertySourceProvider; |
| } |
| |
| public void unconfigure() { |
| super.unconfigure(); |
| if (fSelectedNotifiers != null) { |
| for (int i = 0; i < fSelectedNotifiers.length; i++) { |
| fSelectedNotifiers[i].removeAdapter(fRefreshAdapter); |
| } |
| fSelectedNotifiers = null; |
| } |
| } |
| } |