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  /*
   * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS HEADER.
   *
   * Copyright 2012 Oracle and/or its affiliates. All rights reserved.
   *
   * Oracle and Java are registered trademarks of Oracle and/or its affiliates.
   * Other names may be trademarks of their respective owners.
   *
   * The contents of this file are subject to the terms of either the GNU
  * General Public License Version 2 only ("GPL") or the Common
  * Development and Distribution License("CDDL") (collectively, the
  * "License"). You may not use this file except in compliance with the
  * License. You can obtain a copy of the License at
  * http://www.netbeans.org/cddl-gplv2.html
  * or nbbuild/licenses/CDDL-GPL-2-CP. See the License for the
  * specific language governing permissions and limitations under the
  * License.  When distributing the software, include this License Header
  * Notice in each file and include the License file at
  * nbbuild/licenses/CDDL-GPL-2-CP.  Oracle designates this
  * particular file as subject to the "Classpath" exception as provided
  * by Oracle in the GPL Version 2 section of the License file that
  * accompanied this code. If applicable, add the following below the
  * License Header, with the fields enclosed by brackets [] replaced by
  * your own identifying information:
  * "Portions Copyrighted [year] [name of copyright owner]"
  *
  * If you wish your version of this file to be governed by only the CDDL
  * or only the GPL Version 2, indicate your decision by adding
  * "[Contributor] elects to include this software in this distribution
  * under the [CDDL or GPL Version 2] license." If you do not indicate a
  * single choice of license, a recipient has the option to distribute
  * your version of this file under either the CDDL, the GPL Version 2 or
  * to extend the choice of license to its licensees as provided above.
  * However, if you add GPL Version 2 code and therefore, elected the GPL
  * Version 2 license, then the option applies only if the new code is
  * made subject to such option by the copyright holder.
  *
  * Contributor(s):
  *
  * Portions Copyrighted 2012 Sun Microsystems, Inc.
  */
 package org.netbeans.modules.web.inspect.webkit.ui;
 
 import java.util.List;
A node representing a style sheet.

Author(s):
Jan Stola
 
 public class StyleSheetNode extends AbstractNode {
    
Icon base of the node.
 
     static final String ICON_BASE = "org/netbeans/modules/web/inspect/resources/matchedRules.png"// NOI18N
     
Header of the style sheet.
 
     private StyleSheetHeader header;
    
Owning project of the inspected page.
 
     private Project project;

    
Creates a new StyleSheetNode.

Parameters:
project owning project of the inspected page.
css CSS domain of the corresponding WebKit debugging.
header header of the represented stylesheet.
filter filter for the subtree of the node.
 
     StyleSheetNode(Project projectCSS cssStyleSheetHeader headerFilter filter) {
         super(Children.create(new StyleSheetChildFactory(projectcssheaderfilter), true),
                 Lookups.fixed(new Resource(projectheader.getSourceURL())));
         this. = project;
         this. = header;
         updateDisplayName();
     }

    
Updates the display name of the node.
 
    private void updateDisplayName() {
        String sourceURL = .getSourceURL();
        String displayName = Utilities.relativeResourceName(sourceURL);
        String title = .getTitle();
        if (title != null && !title.trim().isEmpty()) {
            displayName = title + " (" + displayName + ")"// NOI18N
        }
        setDisplayName(displayName);
    }
    @Override
    public Action getPreferredAction() {
        return SystemAction.get(OpenResourceAction.class);
    }
    @Override
    public Action[] getActions(boolean context) {
        return new Action[] {
            SystemAction.get(OpenResourceAction.class)
        };
    }

    
Factory for children of StyleSheetNode.
    static class StyleSheetChildFactory extends ChildFactory<Rule> {
        
Owning project of the inspected page.
        private Project project;
        
CSS domain of the corresponding WebKit debugging.
        private CSS css;
        
Header of the style sheet.
        private StyleSheetHeader header;
        
Body of the style sheet.
        private StyleSheetBody body;
        
Filter of the subtree of the node.
        private Filter filter;

        
Creates a new StyleSheetChildFactory.

Parameters:
project owning project of the inspected page.
css CSS domain of the corresponding WebKit debugging.
header header of the style sheet.
filter filter for the subtree of the node.
        StyleSheetChildFactory(Project projectCSS cssStyleSheetHeader headerFilter filter) {
            this. = project;
            this. = css;
            this. = header;
            this. = filter;
            filter.addPropertyChangeListener(createListener());
        }

        
Creates a property change listener on the changes of the filter.

Returns:
property change listener on the changes of the filter.
        private PropertyChangeListener createListener() {
            return new PropertyChangeListener() {
                @Override
                public void propertyChange(PropertyChangeEvent evt) {
                    String propertyName = evt.getPropertyName();
                    if (..equals(propertyName)) {
                        refresh(false);
                    }
                }
            };
        }
        @Override
        protected boolean createKeys(List<RuletoPopulate) {
            try {
                String styleSheetId = .getStyleSheetId();
                if ( == null) {
                     = .getStyleSheet(styleSheetId);
                }
                if ( == null) {
                    Logger.getLogger(StyleSheetNode.class.getName())
                            .log(."Null body obtained for style sheet {0}!"styleSheetId); // NOI18N
                } else {
                    for (Rule rule : .getRules()) {
                        if (includeKey(rule)) {
                            toPopulate.add(rule);
                        }
                    }
                } 
            } catch (TransportStateException tse) {
                // Debugging session finished in the mean time
            }
            return true;
        }

        
Determines whether the specified rule should be included among keys.

Parameters:
rule rule to check.
Returns:
true when the rule should be included among keys, returns false otherwise.
        private boolean includeKey(Rule rule) {
            boolean include = true;
            String pattern = .getPattern();
            if (pattern != null) {
                pattern = CSSUtils.normalizeSelector(pattern);
                String selector = CSSUtils.normalizeSelector(rule.getSelector());
                include = (selector.indexOf(pattern) != -1);
            }
            return include;
        }
        @Override
        protected Node createNodeForKey(Rule key) {
            return new RuleNode(keynew Resource(.getSourceURL()));
        }
    }
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