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1
54
55 package com.mullassery.act.gui;
56
57 import java.awt.Dimension  ;
58 import java.awt.FlowLayout ;
59 import java.awt.event.ActionEvent ;
60 import java.awt.event.ActionListener ;
61 import java.io.File ;
62 import java.util.Arrays ;
63 import java.util.HashMap ;
64 import java.util.Iterator ;
65 import java.util.Vector ;
66
67 import javax.swing.Box ;
68 import javax.swing.JComponent ;
69 import javax.swing.JOptionPane ;
70 import javax.swing.JPanel ;
71 import javax.swing.JScrollPane ;
72
73 import org.apache.tools.ant.IntrospectionHelper;
74 import org.w3c.dom.Element ;
75 import org.w3c.dom.Node ;
76 import org.w3c.dom.NodeList ;
77
78 import com.mullassery.act.ACTException;
79 import com.mullassery.act.TaskMaster;
80 import com.mullassery.act.gui.components.TBooleanField;
81 import com.mullassery.act.gui.components.TComboBox;
82 import com.mullassery.act.gui.components.TFileField;
83 import com.mullassery.act.gui.components.TLabel;
84 import com.mullassery.act.gui.components.TTextField;
85 import com.mullassery.act.util.ResourceUtil;
86 import com.mullassery.act.util.XMLUtil;
87
88
93 public class DataPanel extends JScrollPane {
94 protected TaskPanel top;
95 protected DataPanel par;
96 protected Element element;
97 protected HashMap childPanels;
98 protected Vector labels = new Vector ();
99 protected Vector values = new Vector ();
100 protected String fullName;
101
102 public DataPanel(TaskPanel top, DataPanel par, String name, Class clazz, Element val)
103 throws ACTException {
104 this.top = top;
105 this.par = par;
106 this.element = val;
107 this.fullName = name;
108 this.element = val;
109 if (element == null) {
110 throw new IllegalArgumentException ("Element values cannot be null");
111 }
112 final HashMap attrTypes = TaskMaster.getElementInfo(clazz);
113 filterAttributes(attrTypes);
114
115 if (attrTypes.containsKey(TaskMaster.CHILDREN)
116 && attrTypes.get(TaskMaster.CHILDREN) instanceof HashMap ) {
117 final TComboBox tcb =
118 new TComboBox((HashMap )attrTypes.get(TaskMaster.CHILDREN), "Add a Nested Element");
119 tcb.addActionListener(new ElementSelectionListener(tcb));
120 setColumnHeaderView(tcb);
121 attrTypes.remove(TaskMaster.CHILDREN);
122 }
123
124 Object [] keys = attrTypes.keySet().toArray();
125 Arrays.sort(keys, String.CASE_INSENSITIVE_ORDER);
126
127 Object prop = null;
128 String attrType = null;
129 for (int i = 0; i < keys.length; i++) {
130 prop = keys[i];
131 labels.add(new TLabel(prop.toString()));
132 attrType = attrTypes.get(prop).toString();
133 if (attrType.indexOf("File") > -1) {
134 values.add(new TFileField());
135 } else if (attrType.indexOf("boolean") > -1) {
136 values.add(new TBooleanField());
137 } else {
138 values.add(new TTextField());
139 }
140 }
141
142 Box box = Box.createVerticalBox();
143 JPanel jp = null;
144 for (int x = 0; x < labels.size(); x++) {
145 jp = new JPanel (new FlowLayout (FlowLayout.RIGHT, 2, 0));
146 jp.add((JComponent )labels.get(x));
147 jp.add((JComponent )values.get(x));
148 box.add(jp);
149 }
150 setViewportView(box);
151
152 Dimension boxDim = box.getPreferredSize();
153 setPreferredSize(new Dimension (boxDim.width + 18, Math.min(boxDim.height + 5, 200)));
154
155 updateGUIValues();
156 top.addToTaskPanel(fullName, this);
157 createChildren(clazz);
158 }
159
160 private void filterAttributes(final HashMap attrTypes) throws ACTException {
161 File tf = ResourceUtil.getSettingsFile();
162 Element filters = XMLUtil.findElementNode(XMLUtil.getDocumentElement(tf), "filters", true);
163 if (filters != null) {
164 NodeList attributes = filters.getElementsByTagName("attribute");
165 for (int i = 0; i < attributes.getLength(); i++) {
166 Element attr = (Element )attributes.item(i);
167 String attrName = attr.getAttribute("name");
168 attrTypes.remove(attrName);
169 }
170 }
171 }
172
173 DataPanel createChildPanel(String eName, Class eClass, Element val) throws ACTException {
174 if (val == null) {
175 val = element.getOwnerDocument().createElement(eName);
176 this.element.appendChild(val);
177 }
178
179 String childName = fullName + "." + eName;
180 int suffix = 2;
181 if (this.childPanels == null) {
182 childPanels = new HashMap ();
183 }
184 while (childPanels.containsKey(childName)) {
185 childName = fullName + "." + eName + suffix;
186 suffix++;
187 }
188 final DataPanel ep = new DataPanel(top, this, childName, eClass, val);
189 childPanels.put(childName, ep);
190 return ep;
191 }
192
193 void removeChildPanel(DataPanel child) {
194 if (child == null || childPanels == null || !childPanels.containsValue(child))
195 return;
196 HashMap cp = child.childPanels;
197 if (cp != null) {
198 Iterator it = cp.keySet().iterator();
199 while (it.hasNext()) {
200 child.removeChildPanel((DataPanel)cp.get(it.next()));
201 }
202 }
203 childPanels.remove(child);
204 element.removeChild(child.element);
205 top.removeFromTaskPanel(child);
206 }
207
208 public Element getValues() {
210 String val = null;
211 String key = null;
212 for (int x = 0; x < labels.size(); x++) {
213 val = ((TextData)values.get(x)).getText();
214 key = ((TextData)labels.get(x)).getText();
215 if (val != null && val.length() != 0) {
216 element.setAttribute(key, val);
217 }
218 }
219 if (childPanels != null && !childPanels.isEmpty()) {
220 Iterator en = childPanels.keySet().iterator(); DataPanel ePanel = null;
222 while (en.hasNext()) {
223 ePanel = (DataPanel)childPanels.get(en.next());
224 ePanel.getValues();
225 }
226 }
227 return element;
228 }
229
230 public void updateGUIValues() {
231 if (element == null) {
232 throw new IllegalStateException ("Cannot have a DataPanel without a model element");
233 }
234 String val = null;
235 String key = null;
236 for (int x = 0; x < labels.size(); x++) {
237 key = ((TextData)labels.get(x)).getText();
238 if (!element.hasAttribute(key))
239 continue;
240 val = element.getAttribute(key);
241 if (val.length() != 0) {
242 ((TextData)values.get(x)).setText(val);
243 }
244 }
245 }
246
247 public void createChildren(Class clazz) throws ACTException {
248 if (!element.hasChildNodes())
249 return;
250 IntrospectionHelper ih = IntrospectionHelper.getHelper(clazz);
251 NodeList nl = element.getChildNodes();
252 for (int i = 0; i < nl.getLength(); i++) {
253 if (nl.item(i).getNodeType() == Node.ELEMENT_NODE) {
254 Element node = (Element )nl.item(i);
255 createChildPanel(node.getNodeName(), ih.getElementType(node.getNodeName()), node);
256 }
257 }
258 }
259
260 private final class ElementSelectionListener implements ActionListener {
261 private final TComboBox tcb;
262 private ElementSelectionListener(TComboBox tcb) {
263 super();
264 this.tcb = tcb;
265 }
266 public void actionPerformed(ActionEvent e) {
267 try {
268 Class clazz = (Class ) (tcb.getItemValue(tcb.getText()));
269 if (clazz != null) {
270 createChildPanel(tcb.getText(), clazz, null);
271 }
272 } catch (ACTException ae) {
273 JOptionPane.showMessageDialog(
274 DataPanel.this,
275 "Could not create sub-element. " + ae.getMessage(),
276 "ACT Error",
277 JOptionPane.ERROR_MESSAGE);
278 }
279 }
280 }
281 } |
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