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1
30 package com.genimen.djeneric.tools.specifier.tree;
31
32 import java.util.HashMap  ;
33
34 import javax.swing.ImageIcon ;
35 import javax.swing.tree.DefaultMutableTreeNode ;
36 import javax.swing.tree.DefaultTreeModel ;
37 import javax.swing.tree.TreePath ;
38
39 import com.genimen.djeneric.language.Messages;
40 import com.genimen.djeneric.repository.DjObject;
41 import com.genimen.djeneric.repository.exceptions.DjenericException;
42 import com.genimen.djeneric.repository.exceptions.ObjectNotDefinedException;
43 import com.genimen.djeneric.structure.ExtentUsage;
44 import com.genimen.djeneric.structure.RelationUsage;
45 import com.genimen.djeneric.structure.ResourceDefinition;
46 import com.genimen.djeneric.tools.specifier.Specifier;
47 import com.genimen.djeneric.tools.specifier.interfaces.DjenericObjectContainer;
48
49 public class DjenericNode extends DjenericTreeNode implements DjenericObjectContainer
50 {
51 private static final long serialVersionUID = 1L;
52 DjObject _obj;
53 ImageIcon _imageIcon = null;
54
55 public DjenericNode()
56 {
57 }
58
59 public ImageIcon getImageIcon()
60 {
61 if (_imageIcon != null) return _imageIcon;
62
63 ExtentUsage usg = getExtentUsage();
64
65 if (usg != null)
66 {
67 ResourceDefinition res = usg.getImageIconResource();
68 if (res != null)
69 {
70 _imageIcon = new ImageIcon (res.getBytes());
71 }
72 }
73 if (_imageIcon == null) _imageIcon = Specifier.getImageIcon("document.gif");
74 return _imageIcon;
75 }
76
77 public DjObject getObject()
78 {
79 return _obj;
80 }
81
82 public void setObject(DjObject obj)
83 {
84 _obj = obj;
85 }
86
87 public String toString()
88 {
89 if (_obj.isMarkedForDelete()) return Messages.getString("global.Deleted");
90 return _obj.getDescriptor(getExtentUsage().getDescriptorExpression());
91 }
92
93 public boolean notInTreeAnymore()
94 {
95 return getParent() == null;
96 }
97
98 public void delegateReload(Object someNode) throws DjenericException
99 {
100 if (!(someNode instanceof DefaultMutableTreeNode )) return;
101 DefaultMutableTreeNode node = (DefaultMutableTreeNode ) someNode;
102
103 DefaultTreeModel mdl = getModel();
104 for (int i = 0; i < mdl.getChildCount(node); i++)
105 {
106 Object n = mdl.getChild(node, i);
107 if (n instanceof DjenericNode)
108 {
109 DjenericNode dn = (DjenericNode) n;
110 if (dn._obj.getObjectId() == _obj.getObjectId()) dn.reload();
111 }
112 else delegateReload(n);
113 }
114 }
115
116 public void reload() throws DjenericException
117 {
118 if (notInTreeAnymore())
119 {
120 delegateReload(getModel().getRoot());
121 return;
122 }
123 _alreadyLoaded = false;
124 getObject().reload();
125 expandNode();
126 }
127
128 public void delegateExpandNode(Object someNode) throws DjenericException
129 {
130 if (!(someNode instanceof DefaultMutableTreeNode )) return;
131 DefaultMutableTreeNode node = (DefaultMutableTreeNode ) someNode;
132
133 DefaultTreeModel mdl = getModel();
134 for (int i = 0; i < mdl.getChildCount(node); i++)
135 {
136 Object n = mdl.getChild(node, i);
137 if (n instanceof DjenericNode)
138 {
139 DjenericNode dn = (DjenericNode) n;
140 if (dn._obj.getObjectId() == _obj.getObjectId()) dn.expandNode();
141 }
142 else delegateReload(n);
143 }
144 }
145
146 public void expandNode() throws DjenericException
147 {
148 if (_alreadyLoaded) return;
149
150 if (notInTreeAnymore())
151 {
152 delegateExpandNode(getModel().getRoot());
153 return;
154 }
155
156 boolean isCollapsed = _tree.isCollapsed(new TreePath (this.getPath()));
157 removeAllChildren();
158
159 try
160 {
161 ExtentUsage taus = getExtentUsage();
162 for (int i = 0; i < taus.getDetailRelationCount(); i++)
163 {
164 RelationUsage usage = taus.getDetailRelation(i);
165 String className = usage.getDetail().getCustomNodeClass();
166
167 DjenericFolder folder;
168
169 if (className == null) folder = new DjenericFolder();
170 else folder = (DjenericFolder) getSpecifierPanelContainer().loadClass(className).newInstance();
171
172 folder.setVia(usage);
173 folder.setSpecifierPanelContainer(getSpecifierPanelContainer());
174
175 insertAsFolder(folder);
176 }
177 _alreadyLoaded = true;
178 }
179 catch (InstantiationException e)
180 {
181 throw new DjenericException(e);
182 }
183 catch (IllegalAccessException e)
184 {
185 throw new DjenericException(e);
186 }
187 catch (ClassNotFoundException e)
188 {
189 throw new DjenericException(e);
190 }
191 finally
192 {
193 getModel().nodeStructureChanged(this);
194 if (!isCollapsed) _tree.expandPath(new TreePath (this.getPath()));
195 }
196 }
197
198 public void delete() throws Exception
199 {
200 getObject().markForDelete();
201 getSession().commit();
202 DjenericTreeNode parent = getParentTreeNode();
203 removeFromParent();
204 getModel().nodeStructureChanged(parent);
205 }
206
207 public boolean canCopy()
208 {
209 return canEdit() && canCreate() && getExtentUsage().getEditorTarget() == null;
210 }
211
212 public boolean canExport()
213 {
214 return getExtentUsage().getEditor() != null;
215 }
216
217 protected void collectParameters(HashMap parentIds)
218 {
219 if (getObject() != null && !parentIds.containsKey(getExtentUsage().getId()))
220 {
221 parentIds.put(getExtentUsage().getId(), getObject());
222 }
223 super.collectParameters(parentIds);
224 }
225
226 public DjObject getTargetObject() throws ObjectNotDefinedException, DjenericException
227 {
228 String editorTarget = getExtentUsage().getEditorTarget();
229 DjObject obj = getObject();
230
231 if (editorTarget != null)
232 {
233 obj = (DjObject) obj.get(editorTarget);
234 }
235 return obj;
236 }
237
238 } |
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