Source Code Cross Referenced for SaveLegendPlugIn.java in  » GIS » openjump » de » latlon » deejump » plugin » Java Source Code / Java DocumentationJava Source Code and Java Documentation

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Java Source Code / Java Documentation » GIS » openjump » de.latlon.deejump.plugin 
Source Cross Referenced  Class Diagram Java Document (Java Doc) 


001:        //$Header$
002:        /*----------------    FILE HEADER  ------------------------------------------
003:
004:         This file is part of deegree.
005:         Copyright (C) 2001-2005 by:
006:         EXSE, Department of Geography, University of Bonn
007:         http://www.giub.uni-bonn.de/exse/
008:         lat/lon GmbH
009:         http://www.lat-lon.de
010:
011:         This library is free software; you can redistribute it and/or
012:         modify it under the terms of the GNU Lesser General Public
013:         License as published by the Free Software Foundation; either
014:         version 2.1 of the License, or (at your option) any later version.
015:
016:         This library is distributed in the hope that it will be useful,
017:         but WITHOUT ANY WARRANTY; without even the implied warranty of
018:         MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
019:         Lesser General Public License for more details.
020:
021:         You should have received a copy of the GNU Lesser General Public
022:         License along with this library; if not, write to the Free Software
023:         Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA  02111-1307  USA
024:
025:         Contact:
026:
027:         Andreas Poth
028:         lat/lon GmbH
029:         Aennchenstraße 19
030:         53177 Bonn
031:         Germany
032:         E-Mail: poth@lat-lon.de
033:
034:         Prof. Dr. Klaus Greve
035:         Department of Geography
036:         University of Bonn
037:         Meckenheimer Allee 166
038:         53115 Bonn
039:         Germany
040:         E-Mail: greve@giub.uni-bonn.de
041:        
042:         ---------------------------------------------------------------------------*/
043:
044:        package de.latlon.deejump.plugin;
045:
046:        import java.awt.Color;
047:        import java.awt.Component;
048:        import java.awt.Dimension;
049:        import java.awt.Graphics2D;
050:        import java.awt.GridBagConstraints;
051:        import java.awt.GridBagLayout;
052:        import java.awt.Insets;
053:        import java.awt.image.BufferedImage;
054:        import java.awt.image.RenderedImage;
055:        import java.io.File;
056:        import java.io.IOException;
057:
058:        import javax.imageio.ImageIO;
059:        import javax.swing.JFileChooser;
060:        import javax.swing.JFrame;
061:        import javax.swing.JLabel;
062:        import javax.swing.JPanel;
063:        import javax.swing.JTree;
064:        import javax.swing.tree.DefaultMutableTreeNode;
065:        import javax.swing.tree.TreeCellRenderer;
066:
067:        import com.vividsolutions.jump.I18N;
068:        import com.vividsolutions.jump.workbench.model.Layer;
069:        import com.vividsolutions.jump.workbench.model.LayerTreeModel;
070:        import com.vividsolutions.jump.workbench.plugin.AbstractPlugIn;
071:        import com.vividsolutions.jump.workbench.plugin.PlugInContext;
072:        import com.vividsolutions.jump.workbench.ui.ColorPanel;
073:        import com.vividsolutions.jump.workbench.ui.GUIUtil;
074:        import com.vividsolutions.jump.workbench.ui.LayerNamePanel;
075:        import com.vividsolutions.jump.workbench.ui.TreeLayerNamePanel;
076:        import com.vividsolutions.jump.workbench.ui.renderer.style.BasicStyle;
077:
078:        /**
079:         * ... 
080:         * 
081:         * @author <a href="mailto:taddei@lat-lon.de">Ugo Taddei</a>
082:         * @author last edited by: $Author: mentaer $
083:         * 
084:         * @version 2.0, $Revision: 333 $, $Date: 2006-08-06 09:48:28 -0700 (Sun, 06 Aug 2006) $
085:         * 
086:         * @since 2.0
087:         */
088:
089:        public class SaveLegendPlugIn extends AbstractPlugIn {
090:
091:            public SaveLegendPlugIn() {
092:                //nothing
093:            }
094:
095:            private String filename = null;
096:
097:            public void initialize(PlugInContext context) throws Exception {
098:
099:                context.getFeatureInstaller().addPopupMenuItem(
100:                        context.getWorkbenchContext().getWorkbench().getFrame()
101:                                .getLayerNamePopupMenu(), this ,
102:                        this .getName() + "{pos:13}", false, null, null);
103:            }
104:
105:            public boolean execute(PlugInContext context) throws Exception {
106:
107:                final Layer layer = context.getSelectedLayer(0);
108:
109:                LayerNamePanel layerPanel = context.getLayerNamePanel();
110:                if (!(layerPanel instanceof  TreeLayerNamePanel)) {
111:                    return false;
112:
113:                }
114:
115:                JTree newTree = createLayerTree(layer,
116:                        (TreeLayerNamePanel) layerPanel);
117:
118:                saveLegend(context, newTree);
119:
120:                return true;
121:            }
122:
123:            private void saveLegend(PlugInContext context, JTree tree)
124:                    throws IOException {
125:
126:                JFileChooser fileChooser = new JFileChooser();
127:                fileChooser.setApproveButtonText(I18N
128:                        .get("deejump.plugin.SaveLegendPlugIn.Save"));
129:                fileChooser
130:                        .setDialogTitle(I18N
131:                                .get("deejump.plugin.SaveLegendPlugIn.Save-legend-as-image-png"));
132:
133:                JPanel p = new JPanel();
134:                p.add(tree);
135:
136:                fileChooser.setAccessory(p);
137:
138:                if (JFileChooser.APPROVE_OPTION == fileChooser
139:                        .showOpenDialog(context.getWorkbenchFrame())) {
140:
141:                    // can only save if has a sizw -> put in a frame
142:                    JFrame f = new JFrame(
143:                            I18N
144:                                    .get("deejump.plugin.SaveLegendPlugIn.Save-legend-as-image-png"));
145:                    f.getContentPane().add(tree);
146:                    f.pack();
147:                    //    		f.setVisible( true );
148:
149:                    saveComponentAsJPEG(tree, fileChooser.getSelectedFile()
150:                            .getAbsolutePath());
151:
152:                    f.setVisible(false);
153:                    f.dispose();
154:
155:                }
156:
157:            }
158:
159:            private JTree createLayerTree(Layer layer,
160:                    TreeLayerNamePanel treePanel) {
161:
162:                JTree tree = treePanel.getTree();
163:
164:                DefaultMutableTreeNode rootNode = new DefaultMutableTreeNode(
165:                        layer.getName());
166:
167:                for (int j = 0; j < tree.getModel().getChildCount(layer); j++) {
168:                    rootNode.add(new DefaultMutableTreeNode(tree.getModel()
169:                            .getChild(layer, j)));
170:                }
171:                JTree newTree = new JTree(rootNode);
172:                newTree.setCellRenderer(createColorThemingValueRenderer());
173:
174:                return newTree;
175:            }
176:
177:            public String getName() {
178:                return I18N.get("deejump.plugin.SaveLegendPlugIn.Save-legend");
179:            }
180:
181:            public static void saveComponentAsJPEG(Component myComponent,
182:                    String filename)
183:
184:            throws IOException {
185:                //-- [sstein, 06.08.2006]
186:                if (!filename.endsWith(".png")) {
187:                    filename = filename + ".png";
188:                }
189:                //--
190:                Dimension size = myComponent.getSize();
191:                BufferedImage myImage = new BufferedImage(size.width,
192:                        size.height, BufferedImage.TYPE_INT_RGB);
193:                Graphics2D g2 = myImage.createGraphics();
194:                myComponent.paint(g2);
195:
196:                ImageIO.write((RenderedImage) myImage, "PNG",
197:                        new File(filename));
198:
199:            }
200:
201:            private TreeCellRenderer createColorThemingValueRenderer() {
202:                return new TreeCellRenderer() {
203:                    private JPanel panel = new JPanel(new GridBagLayout());
204:                    private ColorPanel colorPanel = new ColorPanel();
205:                    private JLabel label = new JLabel();
206:                    {
207:                        panel.add(colorPanel, new GridBagConstraints(0, 0, 1,
208:                                1, 0, 0, GridBagConstraints.WEST,
209:                                GridBagConstraints.NONE,
210:                                new Insets(0, 0, 0, 0), 0, 0));
211:
212:                        panel.add(label, new GridBagConstraints(1, 0, 1, 1, 0,
213:                                0, GridBagConstraints.WEST,
214:                                GridBagConstraints.NONE,
215:                                new Insets(0, 5, 0, 0), 0, 0));
216:
217:                        panel.setBackground(Color.white);
218:                        label.setBackground(Color.white);
219:
220:                    }
221:
222:                    public Component getTreeCellRendererComponent(JTree tree,
223:                            Object value, boolean selected, boolean expanded,
224:                            boolean leaf, int row, boolean hasFocus) {
225:
226:                        String txt = "";
227:
228:                        DefaultMutableTreeNode node = (DefaultMutableTreeNode) value;
229:                        Object userObject = node.getUserObject();
230:
231:                        if (userObject instanceof  LayerTreeModel.ColorThemingValue) {
232:
233:                            LayerTreeModel.ColorThemingValue entry = (LayerTreeModel.ColorThemingValue) userObject;
234:
235:                            txt = entry.toString();
236:
237:                            BasicStyle style = entry.getStyle();
238:                            colorPanel
239:                                    .setLineColor(style.isRenderingLine() ? GUIUtil
240:                                            .alphaColor(style.getLineColor(),
241:                                                    style.getAlpha())
242:                                            : GUIUtil
243:                                                    .alphaColor(Color.BLACK, 0));
244:                            colorPanel
245:                                    .setFillColor(style.isRenderingFill() ? GUIUtil
246:                                            .alphaColor(style.getFillColor(),
247:                                                    style.getAlpha())
248:                                            : GUIUtil
249:                                                    .alphaColor(Color.BLACK, 0));
250:
251:                        } else {
252:
253:                            txt = (String) userObject;
254:                            colorPanel.setFillColor(Color.white);
255:                            colorPanel.setLineColor(Color.white);
256:                        }
257:
258:                        label.setText(txt);
259:
260:                        return panel;
261:                    }
262:                };
263:            }
264:
265:        }
266:
267:        /* ********************************************************************
268:         Changes to this class. What the people have been up to:
269:         $Log$
270:         Revision 1.2  2006/08/06 16:48:28  mentaer
271:         changed menu pos
272:         improved SaveLegendPlugIn by adding file ending ".png"
273:
274:         Revision 1.1  2006/08/06 16:22:11  mentaer
275:         added savelegend
276:
277:         Revision 1.1  2006/03/06 09:42:11  ut
278:         latest changes (key pan, legend, etc)
279:
280:
281:         ********************************************************************** */
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