Source Code Cross Referenced for FileNamePanel.java in  » GIS » openjump » com » vividsolutions » jump » workbench » ui » Java Source Code / Java DocumentationJava Source Code and Java Documentation

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Java Source Code / Java Documentation » GIS » openjump » com.vividsolutions.jump.workbench.ui 
Source Cross Referenced  Class Diagram Java Document (Java Doc) 


001:        /*
002:         * The Unified Mapping Platform (JUMP) is an extensible, interactive GUI 
003:         * for visualizing and manipulating spatial features with geometry and attributes.
004:         *
005:         * Copyright (C) 2003 Vivid Solutions
006:         * 
007:         * This program is free software; you can redistribute it and/or
008:         * modify it under the terms of the GNU General Public License
009:         * as published by the Free Software Foundation; either version 2
010:         * of the License, or (at your option) any later version.
011:         * 
012:         * This program is distributed in the hope that it will be useful,
013:         * but WITHOUT ANY WARRANTY; without even the implied warranty of
014:         * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
015:         * GNU General Public License for more details.
016:         * 
017:         * You should have received a copy of the GNU General Public License
018:         * along with this program; if not, write to the Free Software
019:         * Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA  02111-1307, USA.
020:         * 
021:         * For more information, contact:
022:         *
023:         * Vivid Solutions
024:         * Suite #1A
025:         * 2328 Government Street
026:         * Victoria BC  V8T 5G5
027:         * Canada
028:         *
029:         * (250)385-6040
030:         * www.vividsolutions.com
031:         */
032:
033:        package com.vividsolutions.jump.workbench.ui;
034:
035:        import java.awt.Dimension;
036:        import java.awt.GridBagConstraints;
037:        import java.awt.GridBagLayout;
038:        import java.awt.Insets;
039:        import java.awt.event.ActionEvent;
040:        import java.awt.event.ActionListener;
041:        import java.io.File;
042:        import java.util.ArrayList;
043:        import java.util.Iterator;
044:
045:        import javax.swing.DefaultComboBoxModel;
046:        import javax.swing.JButton;
047:        import javax.swing.JComboBox;
048:        import javax.swing.JFileChooser;
049:        import javax.swing.JLabel;
050:        import javax.swing.JPanel;
051:        import javax.swing.SwingUtilities;
052:        import javax.swing.filechooser.FileFilter;
053:
054:        import com.vividsolutions.jts.util.Assert;
055:        import com.vividsolutions.jump.I18N;
056:
057:        public class FileNamePanel extends JPanel {
058:            /**
059:             * @deprecated
060:             */
061:            public void setDescription(String description) {
062:                upperDescriptionLabel.setText(description);
063:                if (description.equals(GUIUtil.fmeDesc)) {
064:                    setFileFilter(new WorkbenchFileFilter(GUIUtil.fmeDesc));
065:                } else if (description.equals(GUIUtil.gmlDesc)) {
066:                    setFileFilter(new WorkbenchFileFilter(GUIUtil.gmlDesc));
067:                } else if (description.equals(GUIUtil.jmlDesc)) {
068:                    setFileFilter(new WorkbenchFileFilter(GUIUtil.jmlDesc));
069:                } else if (description.equals(GUIUtil.shpDesc)) {
070:                    setFileFilter(new WorkbenchFileFilter(GUIUtil.shpDesc));
071:                } else if (description.equals(GUIUtil.wktDesc)) {
072:                    setFileFilter(new WorkbenchFileFilter(GUIUtil.wktDesc));
073:                } else if (description.equals(GUIUtil.xmlDesc)) {
074:                    setFileFilter(new WorkbenchFileFilter(GUIUtil.xmlDesc));
075:                }
076:            }
077:
078:            GridBagLayout gridBagLayout1 = new GridBagLayout();
079:            JLabel upperDescriptionLabel = new JLabel();
080:            JComboBox comboBox = new JComboBox();
081:            JButton browseButton = new JButton();
082:            private ErrorHandler errorHandler;
083:            private DefaultComboBoxModel comboBoxModel = new DefaultComboBoxModel();
084:            private boolean fileMustExist;
085:            private ArrayList browseListeners = new ArrayList();
086:
087:            //Specify a maximum size because eventually we may want to persist the
088:            //cache in the JCS Workbench properties file [Jon Aquino]
089:            private int MAX_CACHE_SIZE = 10;
090:
091:            public FileNamePanel(ErrorHandler errorHandler) {
092:                this .errorHandler = errorHandler;
093:
094:                try {
095:                    jbInit();
096:                } catch (Exception ex) {
097:                    ex.printStackTrace();
098:                }
099:
100:                GUIUtil.fixEditableComboBox(comboBox);
101:            }
102:
103:            public void setFileMustExist(boolean fileMustExist) {
104:                this .fileMustExist = fileMustExist;
105:            }
106:
107:            private JLabel leftDescriptionLabel = new JLabel("");
108:
109:            void jbInit() throws Exception {
110:                upperDescriptionLabel.setText(I18N
111:                        .get("ui.FileNamePanel.description-text-goes-here"));
112:                this .setLayout(gridBagLayout1);
113:                browseButton.setText(I18N.get("ui.FileNamePanel.browse"));
114:                browseButton
115:                        .addActionListener(new java.awt.event.ActionListener() {
116:                            public void actionPerformed(ActionEvent e) {
117:                                browseButton_actionPerformed(e);
118:                            }
119:                        });
120:                comboBox.setPreferredSize(new Dimension(300, 21));
121:                comboBox.setEditable(true);
122:                comboBox.setModel(comboBoxModel);
123:                this .add(upperDescriptionLabel, new GridBagConstraints(0, 0, 3,
124:                        1, 0.0, 0.0, GridBagConstraints.WEST,
125:                        GridBagConstraints.NONE, new Insets(0, 0, 0, 0), 0, 0));
126:                this .add(leftDescriptionLabel, new GridBagConstraints(0, 1, 1,
127:                        1, 0.0, 0.0, GridBagConstraints.WEST,
128:                        GridBagConstraints.NONE, new Insets(0, 0, 0, 8), 0, 0));
129:                this .add(comboBox, new GridBagConstraints(1, 1, 1, 1, 1, 0.0,
130:                        GridBagConstraints.CENTER,
131:                        GridBagConstraints.HORIZONTAL, new Insets(0, 0, 0, 8),
132:                        0, 0));
133:                this .add(browseButton, new GridBagConstraints(2, 1, 1, 1, 0.0,
134:                        0.0, GridBagConstraints.CENTER,
135:                        GridBagConstraints.NONE, new Insets(0, 0, 0, 0), 0, 0));
136:            }
137:
138:            /**
139:             * Side effect: adds file to the combobox list of recently selected files.
140:             */
141:            public File getSelectedFile() {
142:                Assert.isTrue(isInputValid(), getValidationError());
143:
144:                //Store file in local variable, because we will lose the combobox text
145:                //when we call #addToComboBox. [Jon Aquino]
146:                File file = new File(getComboBoxText());
147:                addToComboBox(file, comboBoxModel);
148:
149:                return file;
150:            }
151:
152:            public boolean isInputValid() {
153:                return null == getValidationError();
154:            }
155:
156:            private String getComboBoxText() {
157:                return (String) comboBox.getEditor().getItem();
158:            }
159:
160:            /**
161:             * @param file the initial value for the GML file field, or null to clear the field
162:             */
163:            public void setSelectedFile(File file) {
164:                if (file == null) {
165:                    comboBox.getEditor().setItem("");
166:
167:                    return;
168:                }
169:
170:                comboBox.getEditor().setItem(file.getAbsolutePath());
171:            }
172:
173:            public String getValidationError() {
174:                if (getComboBoxText().trim().equals("")) {
175:                    return I18N.get("ui.FileNamePanel.no-file-was-specified");
176:                }
177:
178:                File file = new File(getComboBoxText());
179:
180:                if (fileMustExist && !file.exists()) {
181:                    return I18N
182:                            .get("ui.FileNamePanel.specified-file-does-not-exist")
183:                            + " " + getComboBoxText();
184:                }
185:
186:                if (fileMustExist && file.isDirectory()) {
187:                    return I18N
188:                            .get("ui.FileNamePanel.specified-file-is-a-directory")
189:                            + " " + getComboBoxText();
190:                }
191:
192:                if (fileMustExist && !file.isFile()) {
193:                    return I18N
194:                            .get("ui.FileNamePanel.specified-file-is-not-normal")
195:                            + " " + getComboBoxText();
196:                }
197:
198:                if (!fileMustExist && (file.getParentFile() == null)) {
199:                    return I18N
200:                            .get("ui.FileNamePanel.specified-parent-directory-is-not-specified")
201:                            + " " + getComboBoxText();
202:                }
203:
204:                if (!fileMustExist && !file.getParentFile().exists()) {
205:                    return I18N
206:                            .get("ui.FileNamePanel.specified-parent-directory-does-not-exist")
207:                            + " " + getComboBoxText();
208:                }
209:
210:                if (!fileMustExist && !file.getParentFile().isDirectory()) {
211:                    return I18N
212:                            .get("ui.FileNamePanel.specified-parent-is-not-a-directory")
213:                            + " " + getComboBoxText();
214:                }
215:
216:                return null;
217:            }
218:
219:            void browseButton_actionPerformed(ActionEvent e) {
220:                try {
221:                    File file = browse();
222:
223:                    if (file == null) {
224:                        return;
225:                    }
226:
227:                    comboBox.getEditor().setItem(file.getAbsolutePath());
228:                    fireBrowseEvent(e);
229:                } catch (Throwable t) {
230:                    errorHandler.handleThrowable(t);
231:                }
232:            }
233:
234:            private void fireBrowseEvent(ActionEvent e) {
235:                for (Iterator i = browseListeners.iterator(); i.hasNext();) {
236:                    ActionListener l = (ActionListener) i.next();
237:                    l.actionPerformed(e);
238:                }
239:            }
240:
241:            /**
242:             * Notify the ActionListener whenever the user picks a file using the
243:             * Browse button
244:             */
245:            public void addBrowseListener(ActionListener l) {
246:                browseListeners.add(l);
247:            }
248:
249:            private FileFilter fileFilter = null;
250:
251:            //<<TODO:FIX>> Sometimes after the Browse button is pressed, the file dialog
252:            //takes a minute or so to open. [Jon Aquino]
253:            private File browse() {
254:                JFileChooser fileChooser = fileMustExist ? GUIUtil
255:                        .createJFileChooserWithExistenceChecking()
256:                        : new JFileChooser();
257:                fileChooser.setDialogTitle(I18N.get("ui.FileNamePanel.browse"));
258:
259:                fileChooser.setFileSelectionMode(JFileChooser.FILES_ONLY);
260:
261:                GUIUtil.removeChoosableFileFilters(fileChooser);
262:                fileChooser.addChoosableFileFilter(fileChooser
263:                        .getAcceptAllFileFilter());
264:                if (fileFilter != null) {
265:                    fileChooser.addChoosableFileFilter(fileFilter);
266:                    fileChooser.setFileFilter(fileFilter);
267:                }
268:
269:                File initialFile = getInitialFile();
270:
271:                if (initialFile.exists() && initialFile.isFile()) {
272:                    fileChooser.setSelectedFile(initialFile);
273:                } else if (initialFile.exists() && initialFile.isDirectory()) {
274:                    fileChooser.setCurrentDirectory(initialFile);
275:                } else if (initialFile.getParentFile() != null
276:                        && initialFile.getParentFile().exists()) {
277:                    fileChooser
278:                            .setCurrentDirectory(initialFile.getParentFile());
279:                }
280:
281:                fileChooser.setMultiSelectionEnabled(false);
282:
283:                if (JFileChooser.APPROVE_OPTION != fileChooser
284:                        .showOpenDialog(SwingUtilities.windowForComponent(this ))) {
285:                    return null;
286:                }
287:
288:                //We used to have code here to check if the file exists, but I removed it
289:                //because we'll save that for #getValidationError. At this point, we just
290:                //want to get some path information into the text area to save the user
291:                //some keystrokes. [Jon Aquino]
292:
293:                return fileChooser.getSelectedFile();
294:            }
295:
296:            protected File getInitialFile() {
297:                return new File(getComboBoxText());
298:            }
299:
300:            private void addToComboBox(File file,
301:                    DefaultComboBoxModel comboBoxModel) {
302:                //First do a removeElement so that if the file is already in the list it
303:                //gets moved to the top [Jon Aquino]
304:                comboBoxModel.removeElement(file.getAbsolutePath());
305:                comboBoxModel.insertElementAt(file.getAbsolutePath(), 0);
306:
307:                if (comboBoxModel.getSize() > MAX_CACHE_SIZE) {
308:                    comboBoxModel.removeElementAt(comboBoxModel.getSize() - 1);
309:                }
310:
311:                comboBox.setSelectedIndex(0);
312:            }
313:
314:            public void setUpperDescription(String description) {
315:                upperDescriptionLabel.setText(description);
316:            }
317:
318:            public void setLeftDescription(String description) {
319:                leftDescriptionLabel.setText(description);
320:            }
321:
322:            public void setFileFilter(FileFilter fileFilter) {
323:                this.fileFilter = fileFilter;
324:            }
325:
326:        }
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