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 1997-2006 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: package org.netbeans.spi.palette;
043:
044: import java.io.IOException;
045: import java.util.logging.Level;
046: import java.util.logging.Logger;
047: import org.openide.filesystems.FileObject;
048: import org.openide.filesystems.FileSystem;
049: import org.openide.filesystems.FileUtil;
050: import org.openide.filesystems.Repository;
051: import org.openide.loaders.DataFolder;
052: import org.openide.util.Exceptions;
053:
054: /**
055: * A class that listens to changes to the set of opened TopComponents and to the
056: * set of activated Nodes to show/hide the palette window when a TopComponent that
057: * supports the palette is activated/deactivated.
058: *
059: * @author S. Aubrecht
060: */
061: final class PaletteVisibility {
062:
063: public static boolean isVisible(PaletteController pc) {
064: if (null == pc) {
065: return isVisible(null, false);
066: }
067: return isVisible(pc, true);
068: }
069:
070: private static boolean isVisible(PaletteController pc,
071: boolean defValue) {
072: String paletteId = getPaletteId(pc);
073:
074: FileObject fo = findPaletteTopComponentSettings();
075: boolean res = defValue;
076: Object val = null == fo ? null : fo
077: .getAttribute("_palette_visible_" + paletteId);
078: if (val instanceof Boolean)
079: res = ((Boolean) val).booleanValue();
080: return res;
081: }
082:
083: public static void setVisible(PaletteController pc,
084: boolean isVisible) {
085: String paletteId = getPaletteId(pc);
086:
087: FileObject fo = findPaletteTopComponentSettings();
088: try {
089: if (null != fo)
090: fo.setAttribute("_palette_visible_" + paletteId,
091: new Boolean(isVisible));
092: } catch (IOException ex) {
093: Logger.getLogger(PaletteVisibility.class.getName()).log(
094: Level.INFO, null, ex);
095: }
096: }
097:
098: private static FileObject findPaletteTopComponentSettings() {
099: FileSystem fs = Repository.getDefault().getDefaultFileSystem();
100: FileObject res = fs
101: .findResource("Windows2Local/Modes/commonpalette");
102: if (null == res) {
103: try {
104: //for unit-testing
105: res = fs.findResource("Windows2Local/Modes");
106: if (null == res) {
107: res = fs.findResource("Windows2Local");
108: if (null == res)
109: res = fs.getRoot()
110: .createFolder("Windows2Local");
111: res = res.createFolder("Modes");
112: }
113:
114: res = res.createFolder("commonpalette");
115: } catch (IOException ex) {
116: Logger.getLogger(PaletteVisibility.class.getName())
117: .log(Level.INFO, null, ex);
118: }
119: }
120: return res;
121: }
122:
123: private static String getPaletteId(PaletteController pc) {
124: if (null == pc) {
125: return "_empty_";
126: }
127: DataFolder dof = (DataFolder) pc.getModel().getRoot().lookup(
128: DataFolder.class);
129: if (null != dof) {
130: FileObject fo = dof.getPrimaryFile();
131: if (null != fo) {
132: return fo.getPath();
133: }
134: }
135: return pc.getModel().getName();
136:
137: }
138: }
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