Source Code Cross Referenced for ItemsPanel.java in  » Swing-Library » abeille-forms-designer » com » jeta » swingbuilder » gui » properties » editors » Java Source Code / Java DocumentationJava Source Code and Java Documentation

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Java Source Code / Java Documentation » Swing Library » abeille forms designer » com.jeta.swingbuilder.gui.properties.editors 
Source Cross Referenced  Class Diagram Java Document (Java Doc) 


001:        /*
002:         * Copyright (C) 2005 Jeff Tassin
003:         *
004:         * This library is free software; you can redistribute it and/or
005:         * modify it under the terms of the GNU Lesser General Public
006:         * License as published by the Free Software Foundation; either
007:         * version 2.1 of the License, or (at your option) any later version.
008:         *
009:         * This library is distributed in the hope that it will be useful,
010:         * but WITHOUT ANY WARRANTY; without even the implied warranty of
011:         * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
012:         * Lesser General Public License for more details.
013:         *
014:         * You should have received a copy of the GNU Lesser General Public
015:         * License along with this library; if not, write to the Free Software
016:         * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA  02111-1307  USA
017:         */
018:
019:        package com.jeta.swingbuilder.gui.properties.editors;
020:
021:        import java.awt.BorderLayout;
022:        import java.awt.Component;
023:        import java.awt.Dimension;
024:        import java.awt.FlowLayout;
025:        import java.awt.Toolkit;
026:        import java.awt.datatransfer.Clipboard;
027:        import java.awt.datatransfer.DataFlavor;
028:        import java.awt.datatransfer.StringSelection;
029:        import java.awt.datatransfer.Transferable;
030:        import java.awt.event.ActionEvent;
031:        import java.awt.event.ActionListener;
032:        import java.awt.event.MouseAdapter;
033:        import java.awt.event.MouseEvent;
034:        import java.util.Collection;
035:        import java.util.Iterator;
036:        import java.util.LinkedList;
037:        import java.util.StringTokenizer;
038:
039:        import javax.swing.DefaultListModel;
040:        import javax.swing.JButton;
041:        import javax.swing.JList;
042:        import javax.swing.JOptionPane;
043:        import javax.swing.JPanel;
044:        import javax.swing.JScrollPane;
045:
046:        import com.jeta.open.gui.components.BasicPopupMenu;
047:        import com.jeta.open.gui.components.JETAComponentNames;
048:        import com.jeta.open.gui.framework.JETAController;
049:        import com.jeta.open.gui.framework.JETAPanel;
050:        import com.jeta.open.gui.framework.UIDirector;
051:        import com.jeta.open.i18n.I18N;
052:        import com.jeta.open.support.CompositeComponentFinder;
053:        import com.jeta.open.support.DefaultComponentFinder;
054:        import com.jeta.swingbuilder.gui.utils.FormDesignerUtils;
055:        import com.jeta.swingbuilder.resources.Icons;
056:
057:        /**
058:         * This class displays a panel that allows a user to add and arrange String
059:         * objects in a collection.
060:         * 
061:         * @author Jeff Tassin
062:         */
063:        public class ItemsPanel extends JETAPanel {
064:            public static final String ID_ADD_ITEM = "add.item";
065:            public static final String ID_EDIT_ITEM = "edit.item";
066:            public static final String ID_DELETE_ITEM = "delete.item";
067:            public static final String ID_MOVE_UP = "move.up";
068:            public static final String ID_MOVE_DOWN = "move.down";
069:
070:            private JList m_list;
071:            private DefaultListModel m_model;
072:            private BasicPopupMenu m_copy_popup;
073:
074:            /**
075:             * ctor
076:             */
077:            public ItemsPanel() {
078:                this (null);
079:            }
080:
081:            /**
082:             * ctor
083:             */
084:            public ItemsPanel(Collection items) {
085:                super (new CompositeComponentFinder());
086:
087:                m_copy_popup = new BasicPopupMenu();
088:
089:                CompositeComponentFinder finder = (CompositeComponentFinder) getComponentFinder();
090:                finder.add(new DefaultComponentFinder(this ));
091:                finder.add(new DefaultComponentFinder(m_copy_popup));
092:
093:                setLayout(new BorderLayout());
094:                add(createToolBar(), BorderLayout.NORTH);
095:                add(createList(), BorderLayout.CENTER);
096:                setController(new ItemsPanelController(this , m_copy_popup));
097:
098:                if (items != null) {
099:                    Iterator iter = items.iterator();
100:                    while (iter.hasNext()) {
101:                        m_model.addElement(iter.next());
102:                    }
103:                }
104:            }
105:
106:            /**
107:             * Creates a button for the toolbar
108:             */
109:            private Component _createButton(String imageName, String cmdId) {
110:                JButton btn = new JButton(FormDesignerUtils
111:                        .loadImage(imageName));
112:                btn.setActionCommand(cmdId);
113:                btn.setName(cmdId);
114:                Dimension d = new Dimension(24, 24);
115:                btn.setPreferredSize(d);
116:                btn.setMaximumSize(d);
117:                return btn;
118:            }
119:
120:            /**
121:             * Creates the toolbar at the top of the panel
122:             */
123:            private Component createToolBar() {
124:                JPanel panel = new JPanel(new FlowLayout(FlowLayout.LEFT));
125:
126:                panel.add(_createButton(Icons.NEW_16, ID_ADD_ITEM));
127:                panel.add(_createButton(Icons.EDIT_16, ID_EDIT_ITEM));
128:                panel.add(_createButton(Icons.DELETE_16, ID_DELETE_ITEM));
129:                panel.add(_createButton(Icons.UP_16, ID_MOVE_UP));
130:                panel.add(_createButton(Icons.DOWN_16, ID_MOVE_DOWN));
131:                return panel;
132:            }
133:
134:            /**
135:             * Creates the list that displays the items in the collection we are
136:             * editing.
137:             */
138:            private Component createList() {
139:                m_list = new JList();
140:                m_model = new DefaultListModel();
141:                m_list.setModel(m_model);
142:                JScrollPane scroll = new JScrollPane(m_list);
143:                return scroll;
144:            }
145:
146:            /**
147:             * @return the items in the list
148:             */
149:            public Collection getItems() {
150:                return java.util.Collections.list(m_model.elements());
151:            }
152:
153:            /**
154:             * @return the underlying list
155:             */
156:            public JList getList() {
157:                return m_list;
158:            }
159:
160:            /**
161:             * @return the underlying list model
162:             */
163:            public DefaultListModel getListModel() {
164:                return m_model;
165:            }
166:
167:            /**
168:             * @return the preferred size for this component
169:             */
170:            public Dimension getPreferredSize() {
171:                return FormDesignerUtils.getWindowDimension(this , 175, 144);
172:            }
173:
174:            /**
175:             * Controller for this panel
176:             */
177:            public static class ItemsPanelController extends JETAController {
178:                /**
179:                 * The panel we are controlling
180:                 */
181:                private ItemsPanel m_panel;
182:
183:                private BasicPopupMenu m_copy_popup;
184:
185:                /**
186:                 * ctor
187:                 */
188:                public ItemsPanelController(ItemsPanel panel,
189:                        BasicPopupMenu popup) {
190:                    super (panel);
191:                    m_panel = panel;
192:                    m_copy_popup = popup;
193:
194:                    assignAction(ItemsPanel.ID_ADD_ITEM, new AddItemAction());
195:                    assignAction(ItemsPanel.ID_EDIT_ITEM, new EditItemAction());
196:                    assignAction(ItemsPanel.ID_DELETE_ITEM,
197:                            new DeleteItemAction());
198:                    assignAction(ItemsPanel.ID_MOVE_UP, new MoveUpAction());
199:                    assignAction(ItemsPanel.ID_MOVE_DOWN, new MoveDownAction());
200:
201:                    assignAction(JETAComponentNames.ID_CUT, new CutAction());
202:                    assignAction(JETAComponentNames.ID_COPY, new CopyAction());
203:                    assignAction(JETAComponentNames.ID_PASTE, new PasteAction());
204:                    // setUIDirector( new ItemsPanelUIDirector( m_panel ) );
205:
206:                    m_panel.getList().addMouseListener(new MouseAdapter() {
207:                        public void mousePressed(MouseEvent evt) {
208:                            if (evt.isPopupTrigger()) {
209:                                m_copy_popup.show(m_panel.getList(),
210:                                        evt.getX(), evt.getY());
211:                            }
212:                        }
213:                    });
214:                }
215:
216:                void ensureIndexIsVisible() {
217:                    JList list = m_panel.getList();
218:                    int index = list.getSelectedIndex();
219:                    if (index >= 0)
220:                        list.ensureIndexIsVisible(index);
221:                }
222:
223:                public class AddItemAction implements  ActionListener {
224:                    public void actionPerformed(ActionEvent evt) {
225:                        String item = JOptionPane.showInputDialog(I18N
226:                                .getLocalizedMessage("Enter New Item"));
227:                        if (item != null) {
228:                            JList list = m_panel.getList();
229:                            int index = list.getSelectedIndex();
230:                            DefaultListModel model = m_panel.getListModel();
231:                            if (index >= 0 && index < (model.size() - 1)) {
232:                                model.insertElementAt(item, index + 1);
233:                                list.setSelectedIndex(index + 1);
234:                            } else {
235:                                model.addElement(item);
236:                                list.setSelectedIndex(model.size() - 1);
237:                            }
238:                        }
239:                        ensureIndexIsVisible();
240:                    }
241:                }
242:
243:                public class CutAction implements  ActionListener {
244:                    public void actionPerformed(ActionEvent evt) {
245:                        invokeAction(JETAComponentNames.ID_COPY);
246:                        invokeAction(ItemsPanel.ID_DELETE_ITEM);
247:                    }
248:                }
249:
250:                public class CopyAction implements  ActionListener {
251:                    public void actionPerformed(ActionEvent evt) {
252:                        StringBuffer sbuff = new StringBuffer();
253:                        JList list = m_panel.getList();
254:                        DefaultListModel model = (DefaultListModel) list
255:                                .getModel();
256:                        int[] indexes = list.getSelectedIndices();
257:                        for (int i = 0; i < indexes.length; i++) {
258:                            sbuff.append(model.elementAt(indexes[i]));
259:                            if ((i + 1) < indexes.length)
260:                                sbuff.append("\n");
261:                        }
262:
263:                        Toolkit kit = Toolkit.getDefaultToolkit();
264:                        Clipboard clipboard = kit.getSystemClipboard();
265:                        StringSelection transferable = new StringSelection(
266:                                sbuff.toString());
267:                        clipboard.setContents(transferable, null);
268:                    }
269:                }
270:
271:                public class PasteAction implements  ActionListener {
272:                    public void actionPerformed(ActionEvent evt) {
273:                        try {
274:                            JList list = m_panel.getList();
275:                            DefaultListModel model = (DefaultListModel) list
276:                                    .getModel();
277:                            int index = list.getSelectedIndex();
278:                            if (index < 0)
279:                                index = 0;
280:
281:                            Toolkit kit = Toolkit.getDefaultToolkit();
282:                            Clipboard clipboard = kit.getSystemClipboard();
283:                            Transferable transferable = clipboard
284:                                    .getContents(null);
285:                            if (transferable
286:                                    .isDataFlavorSupported(DataFlavor.stringFlavor)) {
287:                                String sval = (String) transferable
288:                                        .getTransferData(DataFlavor.stringFlavor);
289:                                StringTokenizer st = new StringTokenizer(sval,
290:                                        "\t\n\r\f");
291:                                while (st.hasMoreTokens()) {
292:                                    String token = st.nextToken();
293:                                    model.insertElementAt(token, index);
294:                                    index++;
295:                                }
296:                            }
297:                        } catch (Exception e) {
298:
299:                        }
300:                    }
301:                }
302:
303:                public class EditItemAction implements  ActionListener {
304:                    public void actionPerformed(ActionEvent evt) {
305:                        JList list = m_panel.getList();
306:                        int index = list.getSelectedIndex();
307:                        if (index >= 0) {
308:                            DefaultListModel model = m_panel.getListModel();
309:                            String item = JOptionPane.showInputDialog(I18N
310:                                    .getLocalizedMessage("Enter New Item"),
311:                                    model.elementAt(index));
312:                            if (item != null) {
313:                                model.setElementAt(item, index);
314:                            }
315:                        }
316:                        ensureIndexIsVisible();
317:
318:                    }
319:                }
320:
321:                public class DeleteItemAction implements  ActionListener {
322:                    public void actionPerformed(ActionEvent evt) {
323:                        LinkedList del_items = new LinkedList();
324:                        JList list = m_panel.getList();
325:                        int[] indexes = list.getSelectedIndices();
326:                        DefaultListModel model = m_panel.getListModel();
327:                        for (int i = 0; i < indexes.length; i++) {
328:                            del_items.add(model.elementAt(indexes[i]));
329:                        }
330:
331:                        Iterator iter = del_items.iterator();
332:                        while (iter.hasNext()) {
333:                            model.removeElement(iter.next());
334:                        }
335:                        int index = indexes[0];
336:                        index--;
337:                        if (index < 0)
338:                            index = 0;
339:                        if (model.size() > 0)
340:                            list.setSelectedIndex(index);
341:                        ensureIndexIsVisible();
342:                    }
343:                }
344:
345:                public class MoveUpAction implements  ActionListener {
346:                    public void actionPerformed(ActionEvent evt) {
347:                        JList list = m_panel.getList();
348:                        DefaultListModel model = m_panel.getListModel();
349:                        int index = list.getSelectedIndex();
350:                        System.out.println("MoveUP action  index: " + index);
351:
352:                        if (index > 0 && model.size() > 1) {
353:                            Object mv_obj = model.getElementAt(index);
354:                            model.removeElementAt(index);
355:                            model.add(index - 1, mv_obj);
356:                            list.setSelectedIndex(index - 1);
357:                        }
358:                        ensureIndexIsVisible();
359:
360:                    }
361:                }
362:
363:                public class MoveDownAction implements  ActionListener {
364:                    public void actionPerformed(ActionEvent evt) {
365:                        JList list = m_panel.getList();
366:                        DefaultListModel model = m_panel.getListModel();
367:                        int index = list.getSelectedIndex();
368:                        if ((index + 1) < model.size()) {
369:                            Object mv_obj = model.getElementAt(index);
370:                            model.removeElementAt(index);
371:                            if ((index + 1) == model.size()) {
372:                                model.addElement(mv_obj);
373:                            } else {
374:                                model.add(index + 1, mv_obj);
375:                            }
376:                            list.setSelectedIndex(index + 1);
377:                        }
378:                        ensureIndexIsVisible();
379:
380:                    }
381:                }
382:            }
383:
384:            public static class ItemsPanelUIDirector implements  UIDirector {
385:                /**
386:                 * The panel we are controlling
387:                 */
388:                private ItemsPanel m_panel;
389:
390:                /**
391:                 * ctor
392:                 */
393:                public ItemsPanelUIDirector(ItemsPanel panel) {
394:                    m_panel = panel;
395:                }
396:
397:                public void updateComponents(java.util.EventObject evt) {
398:
399:                }
400:            }
401:
402:        }
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