001: /*
002: * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS HEADER.
003: *
004: * Copyright 1997-2007 Sun Microsystems, Inc. All rights reserved.
005: *
006: * The contents of this file are subject to the terms of either the GNU
007: * General Public License Version 2 only ("GPL") or the Common
008: * Development and Distribution License("CDDL") (collectively, the
009: * "License"). You may not use this file except in compliance with the
010: * License. You can obtain a copy of the License at
011: * http://www.netbeans.org/cddl-gplv2.html
012: * or nbbuild/licenses/CDDL-GPL-2-CP. See the License for the
013: * specific language governing permissions and limitations under the
014: * License. When distributing the software, include this License Header
015: * Notice in each file and include the License file at
016: * nbbuild/licenses/CDDL-GPL-2-CP. Sun designates this
017: * particular file as subject to the "Classpath" exception as provided
018: * by Sun in the GPL Version 2 section of the License file that
019: * accompanied this code. If applicable, add the following below the
020: * License Header, with the fields enclosed by brackets [] replaced by
021: * your own identifying information:
022: * "Portions Copyrighted [year] [name of copyright owner]"
023: *
024: * Contributor(s):
025: *
026: * The Original Software is NetBeans. The Initial Developer of the Original
027: * Software is Sun Microsystems, Inc. Portions Copyright 1997-2007 Sun
028: * Microsystems, Inc. All Rights Reserved.
029: *
030: * If you wish your version of this file to be governed by only the CDDL
031: * or only the GPL Version 2, indicate your decision by adding
032: * "[Contributor] elects to include this software in this distribution
033: * under the [CDDL or GPL Version 2] license." If you do not indicate a
034: * single choice of license, a recipient has the option to distribute
035: * your version of this file under either the CDDL, the GPL Version 2 or
036: * to extend the choice of license to its licensees as provided above.
037: * However, if you add GPL Version 2 code and therefore, elected the GPL
038: * Version 2 license, then the option applies only if the new code is
039: * made subject to such option by the copyright holder.
040: */
041:
042: /*
043: * GraphUtilities.java
044: *
045: * Created on July 11, 2006, 12:26 PM
046: *
047: * To change this template, choose Tools | Template Manager
048: * and open the template in the editor.
049: */
050:
051: package org.netbeans.modules.xml.nbprefuse.util;
052:
053: import java.util.Iterator;
054: import org.netbeans.modules.xml.nbprefuse.AnalysisConstants;
055: import prefuse.Visualization;
056: import prefuse.data.expression.Predicate;
057: import prefuse.data.expression.parser.ExpressionParser;
058: import prefuse.visual.EdgeItem;
059: import prefuse.visual.NodeItem;
060:
061: /**
062: *
063: * @author Jeri Lockhart
064: */
065: public abstract class GraphUtilities {
066:
067: /**
068: * Expand or collapse a file node
069: * depending on whehter it is currently expanded or collapsed
070: *
071: *
072: *
073: */
074: public static void expandCollapseFileNode(NodeItem fileNode) {
075: if (fileNode == null) {
076: return;
077: }
078: Visualization vis = fileNode.getVisualization();
079: boolean isExpanded = fileNode
080: .getBoolean(AnalysisConstants.IS_EXPANDED);
081: fileNode.setBoolean(AnalysisConstants.IS_EXPANDED, !isExpanded);
082:
083: Predicate p = (Predicate) ExpressionParser
084: .parse("[" + AnalysisConstants.FILE_GROUP
085: + "] = "
086: + //NOI18N
087: fileNode
088: .getInt(AnalysisConstants.FILE_NODE_FILE_GROUP));
089: vis.setVisible(AnalysisConstants.GRAPH_GROUP, p, !isExpanded);
090:
091: // hide or show the edge from the file node to the query node
092: Iterator outEdges = fileNode.outEdges();
093: while (outEdges.hasNext()) {
094: EdgeItem edge = EdgeItem.class.cast(outEdges.next());
095: if (edge.getString(AnalysisConstants.EDGE_TYPE).equals(
096: AnalysisConstants.FILE_EDGE_TYPE)) {
097: edge.setVisible(isExpanded);
098: }
099: }
100: }
101:
102: }
|