Source Code Cross Referenced for XImageNameEditor.java in  » XML-UI » XUI » net » xoetrope » builder » editor » components » swing » Java Source Code / Java DocumentationJava Source Code and Java Documentation

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Java Source Code / Java Documentation » XML UI » XUI » net.xoetrope.builder.editor.components.swing 
Source Cross Referenced  Class Diagram Java Document (Java Doc) 


001:        package net.xoetrope.builder.editor.components.swing;
002:
003:        import javax.swing.JPanel;
004:        import javax.swing.table.TableCellEditor;
005:        import javax.swing.JTable;
006:        import javax.swing.JButton;
007:        import java.awt.BorderLayout;
008:        import javax.swing.JTextField;
009:        import java.awt.Component;
010:        import java.util.EventObject;
011:        import java.awt.event.ActionEvent;
012:        import javax.swing.event.CellEditorListener;
013:        import javax.swing.event.EventListenerList;
014:        import javax.swing.event.ChangeEvent;
015:        import javax.swing.JFileChooser;
016:        import java.awt.event.ActionListener;
017:        import net.xoetrope.builder.editor.helper.AFileFilter;
018:        import javax.swing.BorderFactory;
019:        import java.awt.Dimension;
020:        import net.xoetrope.builder.editor.XEditorUtilities;
021:        import java.io.File;
022:
023:        /**
024:         * An editor for selection of a file name
025:         * <p>Copyright (c) Xoetrope Ltd., 1998-2004</p>
026:         * $Revision: 1.5 $
027:         */
028:        public class XImageNameEditor extends JPanel implements 
029:                TableCellEditor, ActionListener {
030:            protected EventListenerList listenerList = new EventListenerList();
031:            transient protected ChangeEvent changeEvent = null;
032:
033:            protected JTextField editor;
034:            protected JButton chooseBtn;
035:            protected String defaultPath;
036:            protected String defaultExtension;
037:            protected String defaultCue;
038:            protected String extensions[];
039:
040:            public XImageNameEditor(String defPath, String extentions[],
041:                    String defExt, String defCue) {
042:                defaultPath = defPath;
043:                extensions = extentions;
044:                defaultExtension = defExt;
045:                defaultCue = defCue;
046:
047:                setLayout(new BorderLayout());
048:                editor = new JTextField(defPath);
049:                editor.setBorder(BorderFactory.createEmptyBorder());
050:                add(editor, BorderLayout.CENTER);
051:                chooseBtn = new JButton("...");
052:                chooseBtn.setPreferredSize(new Dimension(20, 100));
053:                add(chooseBtn, BorderLayout.EAST);
054:
055:                chooseBtn.addActionListener(this );
056:            }
057:
058:            /**
059:             *  Sets an initial <code>value</code> for the editor.  This will cause
060:             *  the editor to <code>stopEditing</code> and lose any partially
061:             *  edited value if the editor is editing when this method is called. <p>
062:             *
063:             *  Returns the component that should be added to the client's
064:             *  <code>Component</code> hierarchy.  Once installed in the client's
065:             *  hierarchy this component will then be able to draw and receive
066:             *  user input.
067:             *
068:             * @param	table		the <code>JTable</code> that is asking the
069:             *				editor to edit; can be <code>null</code>
070:             * @param	value		the value of the cell to be edited; it is
071:             *				up to the specific editor to interpret
072:             *				and draw the value.  For example, if value is
073:             *				the string "true", it could be rendered as a
074:             *				string or it could be rendered as a check
075:             *				box that is checked.  <code>null</code>
076:             *				is a valid value
077:             * @param	isSelected	true if the cell is to be rendered with
078:             *				highlighting
079:             * @param	row     	the row of the cell being edited
080:             * @param	column  	the column of the cell being edited
081:             * @return	the component for editing
082:             */
083:            public Component getTableCellEditorComponent(JTable table,
084:                    Object value, boolean isSelected, int row, int column) {
085:                return this ;
086:            }
087:
088:            /**
089:             * Returns the value contained in the editor.
090:             * @return the value contained in the editor
091:             */
092:            public Object getCellEditorValue() {
093:                return editor.getText();
094:            }
095:
096:            /**
097:             * Asks the editor if it can start editing using <code>anEvent</code>.
098:             * <code>anEvent</code> is in the invoking component coordinate system.
099:             * The editor can not assume the Component returned by
100:             * <code>getCellEditorComponent</code> is installed.  This method
101:             * is intended for the use of client to avoid the cost of setting up
102:             * and installing the editor component if editing is not possible.
103:             * If editing can be started this method returns true.
104:             *
105:             * @param	anEvent		the event the editor should use to consider
106:             *				whether to begin editing or not
107:             * @return	true if editing can be started
108:             * @see #shouldSelectCell
109:             */
110:            public boolean isCellEditable(EventObject anEvent) {
111:                return true;
112:            }
113:
114:            /**
115:             * Returns true if the editing cell should be selected, false otherwise.
116:             * Typically, the return value is true, because is most cases the editing
117:             * cell should be selected.  However, it is useful to return false to
118:             * keep the selection from changing for some types of edits.
119:             * eg. A table that contains a column of check boxes, the user might
120:             * want to be able to change those checkboxes without altering the
121:             * selection.  (See Netscape Communicator for just such an example)
122:             * Of course, it is up to the client of the editor to use the return
123:             * value, but it doesn't need to if it doesn't want to.
124:             *
125:             * @param	anEvent		the event the editor should use to start
126:             *				editing
127:             * @return	true if the editor would like the editing cell to be selected;
128:             *    otherwise returns false
129:             * @see #isCellEditable
130:             */
131:            public boolean shouldSelectCell(EventObject anEvent) {
132:                return true;
133:            }
134:
135:            /**
136:             * Tells the editor to stop editing and accept any partially edited
137:             * value as the value of the editor.  The editor returns false if
138:             * editing was not stopped; this is useful for editors that validate
139:             * and can not accept invalid entries.
140:             *
141:             * @return	true if editing was stopped; false otherwise
142:             */
143:            public boolean stopCellEditing() {
144:                fireEditingStopped();
145:                return true;
146:            }
147:
148:            /**
149:             * Tells the editor to cancel editing and not accept any partially
150:             * edited value.
151:             */
152:            public void cancelCellEditing() {
153:                fireEditingCanceled();
154:            }
155:
156:            /**
157:             * Adds a <code>CellEditorListener</code> to the listener list.
158:             * @param l  the new listener to be added
159:             */
160:            public void addCellEditorListener(CellEditorListener l) {
161:                listenerList.add(CellEditorListener.class, l);
162:            }
163:
164:            /**
165:             * Removes a <code>CellEditorListener</code> from the listener list.
166:             * @param l  the listener to be removed
167:             */
168:            public void removeCellEditorListener(CellEditorListener l) {
169:                listenerList.remove(CellEditorListener.class, l);
170:            }
171:
172:            /**
173:             * When an action is performed, editing is ended.
174:             * @param e the action event
175:             * @see #stopCellEditing
176:             */
177:            public void actionPerformed(ActionEvent e) {
178:                if (e.getSource() == chooseBtn) {
179:                    JFileChooser chooser = new JFileChooser(defaultPath);
180:                    AFileFilter filter = new AFileFilter(defaultExtension,
181:                            defaultCue);
182:                    for (int i = 0; i < extensions.length; i++)
183:                        filter.addExtension(extensions[i]);
184:
185:                    chooser.setFileFilter(filter);
186:                    int i = chooser.showOpenDialog(this );
187:                    if (i == 0) {
188:                        String fullPath = chooser.getSelectedFile()
189:                                .getAbsolutePath();
190:                        String fileName = fullPath.substring(fullPath
191:                                .lastIndexOf(File.separatorChar) + 1);
192:                        String targetPath = fullPath;
193:                        if (fullPath.compareToIgnoreCase(targetPath) != 0)
194:                            XEditorUtilities.copyFile(fullPath, targetPath);
195:                        editor.setText(fileName);
196:                        fireEditingStopped();
197:                    }
198:                } else
199:                    stopCellEditing();
200:            }
201:
202:            /**
203:             * Returns an array of all the <code>CellEditorListener</code>s added
204:             * to this AbstractCellEditor with addCellEditorListener().
205:             *
206:             * @return all of the <code>CellEditorListener</code>s added or an empty
207:             *         array if no listeners have been added
208:             * @since 1.4
209:             */
210:            public CellEditorListener[] getCellEditorListeners() {
211:                return (CellEditorListener[]) listenerList
212:                        .getListeners(CellEditorListener.class);
213:            }
214:
215:            /**
216:             * Notifies all listeners that have registered interest for
217:             * notification on this event type.  The event instance
218:             * is created lazily.
219:             *
220:             * @see EventListenerList
221:             */
222:            protected void fireEditingStopped() {
223:                // Guaranteed to return a non-null array
224:                Object[] listeners = listenerList.getListenerList();
225:                // Process the listeners last to first, notifying
226:                // those that are interested in this event
227:                for (int i = listeners.length - 2; i >= 0; i -= 2) {
228:                    if (listeners[i] == CellEditorListener.class) {
229:                        // Lazily create the event:
230:                        if (changeEvent == null)
231:                            changeEvent = new ChangeEvent(this );
232:                        ((CellEditorListener) listeners[i + 1])
233:                                .editingStopped(changeEvent);
234:                    }
235:                }
236:            }
237:
238:            /**
239:             * Notifies all listeners that have registered interest for
240:             * notification on this event type.  The event instance
241:             * is created lazily.
242:             *
243:             * @see EventListenerList
244:             */
245:            protected void fireEditingCanceled() {
246:                // Guaranteed to return a non-null array
247:                Object[] listeners = listenerList.getListenerList();
248:                // Process the listeners last to first, notifying
249:                // those that are interested in this event
250:                for (int i = listeners.length - 2; i >= 0; i -= 2) {
251:                    if (listeners[i] == CellEditorListener.class) {
252:                        // Lazily create the event:
253:                        if (changeEvent == null)
254:                            changeEvent = new ChangeEvent(this );
255:                        ((CellEditorListener) listeners[i + 1])
256:                                .editingCanceled(changeEvent);
257:                    }
258:                }
259:            }
260:        }
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