| /* |
| * Licensed to the Apache Software Foundation (ASF) under one |
| * or more contributor license agreements. See the NOTICE file |
| * distributed with this work for additional information |
| * regarding copyright ownership. The ASF licenses this file |
| * to you under the Apache License, Version 2.0 (the |
| * "License"); you may not use this file except in compliance |
| * with the License. You may obtain a copy of the License at |
| * |
| * http://www.apache.org/licenses/LICENSE-2.0 |
| * |
| * Unless required by applicable law or agreed to in writing, |
| * software distributed under the License is distributed on an |
| * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY |
| * KIND, either express or implied. See the License for the |
| * specific language governing permissions and limitations |
| * under the License. |
| */ |
| package org.netbeans.modules.css.visual; |
| |
| import java.beans.PropertyChangeEvent; |
| import java.beans.PropertyChangeListener; |
| import java.net.MalformedURLException; |
| import java.net.URL; |
| import java.util.Collection; |
| import java.util.logging.Level; |
| import java.util.logging.Logger; |
| import org.netbeans.api.project.Project; |
| import org.netbeans.modules.web.browser.api.Page; |
| import org.netbeans.modules.web.browser.api.PageInspector; |
| import org.netbeans.modules.web.common.api.ServerURLMapping; |
| import org.openide.cookies.EditorCookie; |
| import org.openide.filesystems.FileObject; |
| import org.openide.loaders.DataObject; |
| import org.openide.loaders.DataObjectNotFoundException; |
| import org.openide.nodes.Node; |
| import org.openide.util.Exceptions; |
| import org.openide.util.Lookup; |
| import org.openide.util.Lookup.Result; |
| import org.openide.util.LookupEvent; |
| import org.openide.util.LookupListener; |
| import org.openide.windows.OnShowing; |
| import org.openide.windows.TopComponent; |
| |
| /** |
| * Support for listening on the default {@link PageInspector}. |
| * |
| * Note: The singleton instance is never GCed so it holds the default |
| * PageInspector singleton as well. |
| * |
| * @author marekfukala |
| */ |
| //@OnShowing |
| public class PageInspectorListener implements Runnable, PropertyChangeListener { |
| |
| private static final Logger LOGGER = Logger.getLogger(PageInspectorListener.class.getSimpleName()); |
| private PageInspector pageInspector; |
| private Project project; |
| private Page page; |
| private FileObject file; |
| private Result<PageInspector> lookupResult; |
| |
| @Override |
| public void run() { |
| lookupResult = Lookup.getDefault().lookupResult(PageInspector.class); |
| lookupResult.addLookupListener(new LookupListener() { |
| @Override |
| public void resultChanged(LookupEvent ev) { |
| refreshPageInspector(); |
| } |
| }); |
| refreshPageInspector(); |
| } |
| |
| private void refreshPageInspector() { |
| Collection<? extends PageInspector> allInstances = lookupResult.allInstances(); |
| if (!allInstances.isEmpty()) { |
| PageInspector pi = allInstances.iterator().next(); |
| if (pageInspector != null) { |
| pageInspector.removePropertyChangeListener(PageInspectorListener.this); |
| } |
| pageInspector = pi; |
| pageInspector.addPropertyChangeListener(PageInspectorListener.this); |
| } |
| } |
| |
| @Override |
| public void propertyChange(PropertyChangeEvent pce) { |
| if (PageInspector.PROP_MODEL.equals(pce.getPropertyName())) { |
| LOGGER.log(Level.FINE, "PageInspector.PROP_MODEL PropertyChangeEvent"); //NOI18N |
| |
| Node[] activatedNodes = TopComponent.getRegistry().getActivatedNodes(); |
| if (activatedNodes == null || activatedNodes.length == 0) { |
| LOGGER.log(Level.FINE, "No activated nodes");//NOI18N |
| return; |
| } |
| Node activatedNode = activatedNodes[0]; |
| LOGGER.log(Level.FINE, "Activated node {0}", activatedNode);//NOI18N |
| |
| project = activatedNode.getLookup().lookup(Project.class); |
| if (project == null) { |
| LOGGER.log(Level.FINE, "No project in lookup");//NOI18N |
| return; |
| } |
| LOGGER.log(Level.FINE, "Project in lookup {0}", project);//NOI18N |
| |
| if (page != null) { |
| //detach listener from previous Page model |
| page.removePropertyChangeListener(this); |
| } |
| |
| //get new Page model |
| page = pageInspector.getPage(); |
| if (page == null) { |
| LOGGER.log(Level.FINE, "No page object");//NOI18N |
| project = null; |
| return; |
| } |
| |
| //listen on the page model |
| page.addPropertyChangeListener(this); |
| |
| } else if (Page.PROP_HIGHLIGHTED_NODES.equals(pce.getPropertyName())) { |
| //inspection enabled - any better way how to recognize this? |
| if (file != null) { |
| try { |
| //open the inspeced file in editor which opens also the CSSStyles window |
| //and the html navigator |
| DataObject dobj = DataObject.find(file); |
| EditorCookie ec = dobj.getLookup().lookup(EditorCookie.class); |
| if (ec != null) { |
| ec.open(); |
| } |
| //clear out the file ref so we won't re-activate the |
| //CssStyles window again and again. |
| //If the browser document changes then it will be re-set again |
| //and the CssStyles window will get the new context. |
| file = null; |
| |
| } catch (DataObjectNotFoundException ex) { |
| Exceptions.printStackTrace(ex); |
| } |
| } |
| } else if (Page.PROP_DOCUMENT.equals(pce.getPropertyName())) { |
| //browser document changed - update the corresponding file |
| String documentURL = page.getDocumentURL(); |
| if (documentURL != null) { |
| LOGGER.log(Level.FINE, "Document URL {0}", documentURL);//NOI18N |
| try { |
| URL url = new URL(documentURL); |
| file = ServerURLMapping.fromServer(project, url); |
| LOGGER.log(Level.FINE, "Document URL converted to file {0}", file);//NOI18N |
| } catch (MalformedURLException ex) { |
| } |
| } |
| } |
| } |
| } |