Source Code Cross Referenced for ResourceWrapperEditor.java in  » IDE-Netbeans » form » org » netbeans » modules » form » Java Source Code / Java DocumentationJava Source Code and Java Documentation

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Java Source Code / Java Documentation » IDE Netbeans » form » org.netbeans.modules.form 
Source Cross Referenced  Class Diagram Java Document (Java Doc) 


001:        /*
002:         * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS HEADER.
003:         *
004:         * Copyright 1997-2007 Sun Microsystems, Inc. All rights reserved.
005:         *
006:         * The contents of this file are subject to the terms of either the GNU
007:         * General Public License Version 2 only ("GPL") or the Common
008:         * Development and Distribution License("CDDL") (collectively, the
009:         * "License"). You may not use this file except in compliance with the
010:         * License. You can obtain a copy of the License at
011:         * http://www.netbeans.org/cddl-gplv2.html
012:         * or nbbuild/licenses/CDDL-GPL-2-CP. See the License for the
013:         * specific language governing permissions and limitations under the
014:         * License.  When distributing the software, include this License Header
015:         * Notice in each file and include the License file at
016:         * nbbuild/licenses/CDDL-GPL-2-CP.  Sun designates this
017:         * particular file as subject to the "Classpath" exception as provided
018:         * by Sun in the GPL Version 2 section of the License file that
019:         * accompanied this code. If applicable, add the following below the
020:         * License Header, with the fields enclosed by brackets [] replaced by
021:         * your own identifying information:
022:         * "Portions Copyrighted [year] [name of copyright owner]"
023:         *
024:         * Contributor(s):
025:         *
026:         * The Original Software is NetBeans. The Initial Developer of the Original
027:         * Software is Sun Microsystems, Inc. Portions Copyright 1997-2006 Sun
028:         * Microsystems, Inc. All Rights Reserved.
029:         *
030:         * If you wish your version of this file to be governed by only the CDDL
031:         * or only the GPL Version 2, indicate your decision by adding
032:         * "[Contributor] elects to include this software in this distribution
033:         * under the [CDDL or GPL Version 2] license." If you do not indicate a
034:         * single choice of license, a recipient has the option to distribute
035:         * your version of this file under either the CDDL, the GPL Version 2 or
036:         * to extend the choice of license to its licensees as provided above.
037:         * However, if you add GPL Version 2 code and therefore, elected the GPL
038:         * Version 2 license, then the option applies only if the new code is
039:         * made subject to such option by the copyright holder.
040:         */
041:
042:        package org.netbeans.modules.form;
043:
044:        import java.awt.Component;
045:        import java.awt.Graphics;
046:        import java.awt.Rectangle;
047:        import java.beans.PropertyChangeEvent;
048:        import java.beans.PropertyChangeListener;
049:        import java.beans.PropertyChangeSupport;
050:        import java.beans.PropertyEditor;
051:        import java.beans.PropertyVetoException;
052:        import java.beans.VetoableChangeListener;
053:        import javax.swing.JPanel;
054:        import javax.swing.event.ChangeEvent;
055:        import javax.swing.event.ChangeListener;
056:        import org.jdesktop.layout.GroupLayout;
057:        import org.jdesktop.layout.LayoutStyle;
058:        import org.openide.explorer.propertysheet.ExPropertyEditor;
059:        import org.openide.explorer.propertysheet.PropertyEnv;
060:
061:        /**
062:         * A property editor that can wrap another property editor and make it use
063:         * a ResourcePanel allowing to define the property value as a resource
064:         * (represented by ResourceValue). E.g. StringEditor in o.n.m.f.editors2 package
065:         * wraps a plain property editor for strings. FormPropertyEditorManager and
066:         * FormPropertyEditor support this wrapping.
067:         * 
068:         * @author Tomas Pavek
069:         */
070:        public class ResourceWrapperEditor implements  ExPropertyEditor,
071:                FormAwareEditor, PropertyChangeListener, ChangeListener,
072:                VetoableChangeListener {
073:
074:            protected PropertyEditor delegateEditor;
075:            protected FormModel formModel;
076:            protected FormProperty property;
077:            private boolean ignoreChange;
078:            private PropertyChangeSupport changeSupport;
079:
080:            private Object propertyValue;
081:
082:            // not very nice, but we suppose it's ok to have just one valid custom editor at a moment
083:            protected ResourcePanel resourcePanel;
084:
085:            public ResourceWrapperEditor(PropertyEditor wrappedPropEd) {
086:                delegateEditor = wrappedPropEd;
087:                delegateEditor.addPropertyChangeListener(this );
088:            }
089:
090:            public PropertyEditor getDelegatedPropertyEditor() {
091:                return delegateEditor;
092:            }
093:
094:            void setDelegatedPropertyEditor(PropertyEditor delegate) {
095:                delegateEditor.removePropertyChangeListener(this );
096:                delegateEditor = delegate;
097:                delegateEditor.addPropertyChangeListener(this );
098:                propertyValue = delegateEditor.getValue();
099:            }
100:
101:            // -----
102:
103:            // FormAwareEditor implementation
104:            public void setContext(FormModel formModel, FormProperty prop) {
105:                this .formModel = formModel;
106:                this .property = prop;
107:                if (delegateEditor instanceof  FormAwareEditor) {
108:                    ((FormAwareEditor) delegateEditor).setContext(formModel,
109:                            prop);
110:                }
111:            }
112:
113:            // FormAwareEditor implementation
114:            public void updateFormVersionLevel() {
115:                if (getValue() instanceof  ResourceValue) {
116:                    formModel.raiseVersionLevel(FormModel.FormVersion.NB60,
117:                            FormModel.FormVersion.NB60);
118:                }
119:            }
120:
121:            // ExPropertyEditor implementation
122:            public void attachEnv(PropertyEnv env) {
123:                if (property != null) {
124:                    env.removeVetoableChangeListener(this );
125:                    env.setState(PropertyEnv.STATE_NEEDS_VALIDATION);
126:                    env.addVetoableChangeListener(this );
127:                }
128:                if (delegateEditor instanceof  ExPropertyEditor)
129:                    ((ExPropertyEditor) delegateEditor).attachEnv(env);
130:            }
131:
132:            public void setValue(Object value) {
133:                propertyValue = value;
134:                ignoreChange = true;
135:                setValueToDelegate(value);
136:                ignoreChange = false;
137:                firePropertyChange();
138:            }
139:
140:            public Object getValue() {
141:                return propertyValue;
142:            }
143:
144:            public Object getUnwrappedValue() {
145:                return delegateEditor.getValue();
146:            }
147:
148:            public void setAsText(String text) {
149:                if (text.equals(delegateEditor.getAsText()))
150:                    return;
151:
152:                ignoreChange = true;
153:                delegateEditor.setAsText(text);
154:                ignoreChange = false;
155:                propertyValue = delegateEditor.getValue();
156:                firePropertyChange();
157:            }
158:
159:            public String getAsText() {
160:                return delegateEditor.getAsText();
161:            }
162:
163:            public boolean isPaintable() {
164:                return delegateEditor.isPaintable();
165:            }
166:
167:            public void paintValue(Graphics g, Rectangle box) {
168:                delegateEditor.paintValue(g, box);
169:            }
170:
171:            public String getJavaInitializationString() {
172:                if (propertyValue instanceof  ResourceValue)
173:                    return ((ResourceValue) propertyValue)
174:                            .getJavaInitializationCode();
175:                else
176:                    return delegateEditor.getJavaInitializationString();
177:            }
178:
179:            public String[] getTags() {
180:                return delegateEditor.getTags();
181:            }
182:
183:            public Component getCustomEditor() {
184:                if (resourcePanel == null) {
185:                    createResourcePanel();
186:                }
187:
188:                Component resGUI;
189:                if (resourcePanel != null) {
190:                    String key;
191:                    boolean enable;
192:                    if (propertyValue instanceof  ResourceValue) {
193:                        key = ((ResourceValue) propertyValue).getKey();
194:                        enable = true;
195:                    } else {
196:                        key = ResourceSupport.getDefaultKey(property,
197:                                ResourceSupport.AUTO_RESOURCING);
198:                        enable = ResourceSupport
199:                                .isPropertyForResourcing(property);
200:                    }
201:                    resourcePanel.init(key, enable);
202:                    resGUI = resourcePanel.getComponent();
203:                } else {
204:                    resGUI = null;
205:                }
206:
207:                return createCustomEditorGUI(resGUI);
208:            }
209:
210:            public boolean supportsCustomEditor() {
211:                return true;
212:            }
213:
214:            public void addPropertyChangeListener(PropertyChangeListener l) {
215:                synchronized (this ) {
216:                    if (changeSupport == null)
217:                        changeSupport = new PropertyChangeSupport(this );
218:                }
219:                changeSupport.addPropertyChangeListener(l);
220:            }
221:
222:            public void removePropertyChangeListener(PropertyChangeListener l) {
223:                if (changeSupport != null)
224:                    changeSupport.removePropertyChangeListener(l);
225:            }
226:
227:            // -----
228:
229:            protected void setValueToDelegate(Object value) {
230:                if (value instanceof  ResourceValue)
231:                    value = ((ResourceValue) value).getValue();
232:                delegateEditor.setValue(value);
233:            }
234:
235:            protected void setValueToResourcePanel() {
236:                resourcePanel.setValue(delegateEditor.getValue(), null, null);
237:            }
238:
239:            // called from the delegated editor
240:            public void propertyChange(PropertyChangeEvent evt) {
241:                if (!ignoreChange) { // change initiated through custom editor of the delegate
242:                    if (propertyValue instanceof  ResourceValue)
243:                        setValueToResourcePanel();
244:                    else
245:                        propertyValue = delegateEditor.getValue();
246:                    firePropertyChange();
247:                }
248:            }
249:
250:            // called from ResourcePanel when the key or current value has changed
251:            public void stateChanged(ChangeEvent e) {
252:                ResourceValue resValue = resourcePanel.getResource();
253:                if (resValue != null) {
254:                    if (resValue.getValue() == null) {
255:                        // resource panel just enabled or set with a new key
256:                        setValueToResourcePanel();
257:                        resValue = resourcePanel.getResource();
258:                    }
259:                    setValue(resValue);
260:                } else { // resource panel disabled
261:                    propertyValue = delegateEditor.getValue();
262:                    firePropertyChange();
263:                }
264:            }
265:
266:            // called when OK button is pressed in the custom editor dialog
267:            // TODO: this should only be done if this property editor is the selected one
268:            public void vetoableChange(PropertyChangeEvent ev)
269:                    throws PropertyVetoException {
270:                if (PropertyEnv.PROP_STATE.equals(ev.getPropertyName())) {
271:                    boolean excludeRes = false;
272:                    if (resourcePanel != null) {
273:                        ResourceValue resValue;
274:                        if (propertyValue instanceof  ResourceValue
275:                                && (resValue = resourcePanel.getResource()) != null) { // make sure we have the latest resource value
276:                            if (resValue.getValue() == ResourceValue.IGNORED_VALUE) {
277:                                throw new PropertyVetoException(
278:                                        "Invalid resource value", ev);
279:                                // TODO: message dialog about invalid value
280:                            }
281:                            if (resValue != propertyValue) {
282:                                setValue(resValue);
283:                            }
284:                        } else {
285:                            excludeRes = true; // have resource panel, but just using plain value
286:                        }
287:                    }
288:                    ResourceSupport.setExcludedProperty(property, excludeRes);
289:                }
290:            }
291:
292:            private void firePropertyChange() {
293:                if (changeSupport != null)
294:                    changeSupport.firePropertyChange("", null, null); // NOI18N
295:            }
296:
297:            // -----
298:
299:            private void createResourcePanel() {
300:                resourcePanel = ResourceSupport.createResourcePanel(property,
301:                        propertyValue instanceof  ResourceValue);
302:                if (resourcePanel != null)
303:                    resourcePanel.addChangeListener(this );
304:            }
305:
306:            protected Component createCustomEditorGUI(Component resourcePanelGUI) {
307:                if (resourcePanelGUI == null)
308:                    return delegateEditor.getCustomEditor();
309:
310:                JPanel panel = new JPanel();
311:                Component delComp = delegateEditor.getCustomEditor();
312:                GroupLayout layout = new GroupLayout(panel);
313:                panel.setLayout(layout);
314:                layout.setAutocreateGaps(true);
315:                layout.setHorizontalGroup(layout.createParallelGroup().add(
316:                        delComp).add(
317:                        layout.createSequentialGroup().addPreferredGap(
318:                                LayoutStyle.RELATED).add(resourcePanelGUI)
319:                                .addPreferredGap(LayoutStyle.RELATED)));
320:                layout.setVerticalGroup(layout.createSequentialGroup().add(
321:                        delComp).addPreferredGap(LayoutStyle.UNRELATED).add(
322:                        resourcePanelGUI));
323:
324:                return panel;
325:            }
326:        }
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