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1
10
11
12 package org.enhydra.jawe.xml.panels;
13
14 import org.enhydra.jawe.xml.*;
15
16 import java.util.*;
17 import javax.swing.*;
18 import javax.swing.event.*;
19 import java.awt.*;
20 import java.awt.event.*;
21
22
25 public class XMLListPanel extends XMLPanel {
26
27 protected static Dimension minimalDimension=new Dimension(250,60);
28 protected static Dimension listDimension=new Dimension(250,100);
29
30
34 private Object  replacingObject;
35
39 private int startReplaceIndex;
40
44 private int endReplaceIndex;
45
46 private boolean dragging=false;
47
51 private boolean changing=false;
52
53 public XMLListPanel (XMLCollection myOwner,String title,boolean hasBorder,
54 final boolean enableEditing,boolean minDimension) {
55
56 super(myOwner,2,title,XMLPanel.BOX_LAYOUT,false,hasBorder);
57
58 JScrollPane scrollParam=new JScrollPane();
59 scrollParam.setAlignmentX(Component.LEFT_ALIGNMENT);
60
62 final DefaultListModel listModel=new DefaultListModel();
63
64 Iterator it=myOwner.toCollection().iterator();
66 while (it.hasNext()) {
67 XMLElement elem=(XMLElement)it.next();
68 listModel.addElement(elem);
69 }
70
71 final JList allParam=new JList(listModel);
72 allParam.setSelectionMode(ListSelectionModel.SINGLE_SELECTION);
73
74 allParam.setAlignmentX(Component.LEFT_ALIGNMENT);
75 allParam.setAlignmentY(Component.TOP_ALIGNMENT);
76
77 allParam.addMouseListener(new MouseAdapter() {
79 public void mouseClicked (MouseEvent me) {
80 if (enableEditing && me.getClickCount()>1) {
82 editElementDialog();
83 }
84 }
85
86
87 public void mousePressed (MouseEvent me) {
88 if (changing) {
89 changing=false;
90 return;
91 }
92 if (getOwner().isReadOnly()) return;
93 dragging=true;
94 JList l=getList();
95 replacingObject=null;
96 startReplaceIndex=-1;
97 try {
98 replacingObject=l.getSelectedValue();
99 startReplaceIndex=l.getSelectedIndex();
100 } catch (Exception ex) {}
101 }
102
103
104 public void mouseReleased (MouseEvent me) {
105 dragging=false;
106 }
107
108 });
109
110
111 if (!myOwner.isReadOnly()) {
112 allParam.addListSelectionListener(new ListSelectionListener() {
113 public void valueChanged (ListSelectionEvent lse) {
114 if (dragging && !changing) {
115 changing=true;
116 JList l=(JList)lse.getSource();
117 endReplaceIndex=-1;
118 try {
119 endReplaceIndex=l.getSelectedIndex();
120 } catch (Exception ex) {}
121
122 if (replacingObject==null || startReplaceIndex==-1 || endReplaceIndex==-1 ||
123 startReplaceIndex==endReplaceIndex) {
124 changing=false;
125 return;
126 }
127
128 DefaultListModel listModel=(DefaultListModel)l.getModel();
129 listModel.remove(startReplaceIndex);
130 listModel.add(endReplaceIndex,replacingObject);
131 ((XMLCollection)getOwner()).remove(replacingObject);
132 ((ArrayList)((XMLCollection)getOwner()).
133 toCollection()).add(endReplaceIndex,replacingObject);
134 try {
135 l.setSelectedIndex(endReplaceIndex);
136 } catch (Exception ex) {}
137
138 if (startReplaceIndex!=endReplaceIndex) {
139 ((XMLElementDialog)getDialog()).notifyListeners(getOwner());
140 }
141
142 startReplaceIndex=endReplaceIndex;
143 changing=false;
144 }
145 }
146 });
147 allParam.setToolTipText(
148 XMLUtil.getLanguageDependentString("MessageDragItemToChangeItsPosition"));
149 }
150
151 if (enableEditing) {
152 allParam.getInputMap(JComponent.WHEN_FOCUSED).
153 put(KeyStroke.getKeyStroke(KeyEvent.VK_ENTER,0,false),"edit");
154 allParam.getActionMap().put("edit",new AbstractAction() {
155 public void actionPerformed(ActionEvent e) {
156 editElementDialog();
157 }
158 });
159
160 allParam.getInputMap(JComponent.WHEN_FOCUSED).
161 put(KeyStroke.getKeyStroke(KeyEvent.VK_DELETE,0,false),"delete");
162 allParam.getActionMap().put("delete",new AbstractAction() {
163 public void actionPerformed(ActionEvent e) {
164 removeSelectedElement();
165 }
166 });
167
168 }
169
170 scrollParam.setViewportView(allParam);
171 if (!minDimension) {
172 scrollParam.setPreferredSize(new Dimension(listDimension));
173 } else {
174 scrollParam.setPreferredSize(new Dimension(minimalDimension));
175 }
176
177 add(scrollParam);
178
179 JPanel p=new JPanel();
180 p.setLayout(new BoxLayout(p,BoxLayout.Y_AXIS));
181
182 JButton buttonUp=new JButton();
183 java.net.URL u = XMLUtil.getResource("ArrowUpImage");
184 if (u!=null) {
185 buttonUp.setIcon(new ImageIcon(u));
186 }
187 buttonUp.setEnabled(!myOwner.isReadOnly());
188 buttonUp.addActionListener(new ActionListener() {
189 public void actionPerformed(ActionEvent e) {
190 moveItem(0);
191 }
192 });
193 buttonUp.setPreferredSize(new Dimension(25,25));
194 JButton buttonDown=new JButton();
195 u = XMLUtil.getResource("ArrowDownImage");
196 if (u!=null) {
197 buttonDown.setIcon(new ImageIcon(u));
198 }
199 buttonDown.setEnabled(!myOwner.isReadOnly());
200 buttonDown.addActionListener(new ActionListener() {
201 public void actionPerformed(ActionEvent e) {
202 moveItem(1);
203 }
204 });
205 buttonDown.setPreferredSize(new Dimension(25,25));
206 p.add(buttonUp);
207 p.add(Box.createVerticalGlue());
208 p.add(buttonDown);
209 add(Box.createRigidArea(new Dimension(5,0)));
210 add(p);
211 }
212
213 public boolean isItemChangingPosition () {
214 return (changing || dragging);
215 }
216
217 public JList getList () {
218 JScrollPane jsp=(JScrollPane)getComponent(0);
219 JViewport jvp=(JViewport)jsp.getComponent(0);
220 JList l=(JList)jvp.getComponent(0);
221 return l;
222 }
223
224 private void editElementDialog () {
225 XMLElement editElement=null;
226 try {
227 editElement=(XMLElement)getList().getSelectedValue();
228 } catch (Exception ex) {}
229
230 if (editElement!=null) {
231 XMLElementDialog de=new XMLElementDialog((JDialog)getDialog(),
232 editElement.toLabel()+" '"+editElement.toString()+"' - "+
233 XMLUtil.getLanguageDependentString("EditingKey"));
234 de.editXMLElement(editElement.getPanel(),true,false);
235 if (!de.isCanceled()) {
236 ((XMLCollection)getOwner()).onElementModified(editElement);
237 paintAll(getGraphics());
238 }
239 } else {
240 JOptionPane.showMessageDialog(getDialog(),
241 XMLUtil.getLanguageDependentString("WarningEmptySelectionToEditOrDelete"),
242 XMLUtil.getLanguageDependentString("Title"),
243 JOptionPane.WARNING_MESSAGE);
244 }
245 getList().requestFocus();
246 }
247
248 private void removeSelectedElement () {
249 JList l=getList();
250 Object obj=null;
251 int ind=0;
252 try {
253 obj=l.getSelectedValue();
254 ind=l.getSelectedIndex();
255 } catch (Exception ex) {}
256
257 if (obj!=null) {
258 if (((XMLCollection)getOwner()).canRemoveElement((XMLElement)obj)) {
259 int yn=JOptionPane.showConfirmDialog(getDialog(),
260 XMLUtil.getLanguageDependentString(
261 "MessageDoYouReallyWantToRemoveSelectedItem"),
262 ((XMLElement)obj).toLabel()+" - "+
263 XMLUtil.getLanguageDependentString("DeletingKey"),
264 JOptionPane.YES_NO_OPTION);
265 if (yn==JOptionPane.YES_OPTION) {
266 DefaultListModel listModel=(DefaultListModel)l.getModel();
267 listModel.removeElement(obj);
268 ((XMLCollection)getOwner()).remove(obj);
269 ((XMLCollection)getOwner()).onElementRemoved((XMLElement)obj);
270 } else {
271 l.requestFocus();
272 return;
273 }
274 } else {
275 String message="";
276 if (obj instanceof XMLComplexElement) {
277 message=XMLUtil.getLanguageDependentString(((XMLCollection)getOwner()).
278 getInUseMessageName((XMLComplexElement)obj));
279 }
280 JOptionPane.showMessageDialog(getDialog(),
281 message,XMLUtil.getLanguageDependentString("Title"),
282 JOptionPane.ERROR_MESSAGE);
283 }
284 } else {
285 JOptionPane.showMessageDialog(getDialog(),
286 XMLUtil.getLanguageDependentString("WarningEmptySelectionToEditOrDelete"),
287 XMLUtil.getLanguageDependentString("Title"),
288 JOptionPane.WARNING_MESSAGE);
289 }
290 try {
291 if (ind==0) {
292 ind++;
293 }
294 l.setSelectedIndex(ind-1);
295 } catch (Exception ex) {}
296
297 l.requestFocus();
298 }
299
300 private void moveItem (int upOrDown) {
301 changing=true;
302 JList l=getList();
303 Object rObject=null;
304 int sri=-1;
305 try {
306 rObject=l.getSelectedValue();
307 sri=l.getSelectedIndex();
308 } catch (Exception ex) {}
309 if (rObject==null || sri==-1) {
310 changing=false;
311 return;
312 }
313 int eri=sri;
314 if (upOrDown==0) {
315 eri--;
316 } else {
317 eri++;
318 }
319 if (eri<0) {
320 eri=0;
321 }
322 if (eri>((XMLCollection)getOwner()).size()-1) {
323 eri=((XMLCollection)getOwner()).size()-1;
324 }
325
326 DefaultListModel listModel=(DefaultListModel)l.getModel();
327 listModel.remove(sri);
328 listModel.add(eri,rObject);
329 ((XMLCollection)getOwner()).remove(rObject);
330 ((ArrayList)((XMLCollection)getOwner()).toCollection()).add(eri,rObject);
331 try {
332 l.setSelectedIndex(eri);
333 } catch (Exception ex) {}
334
335 if (sri!=eri) {
336 ((XMLElementDialog)getDialog()).notifyListeners(getOwner());
337 }
338
339 changing=false;
340 }
341
342 protected void setChanging () {
343 changing=true;
344 }
345
346 }
347 |
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