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1
20
21 package org.apache.directory.ldapstudio.schemas.view.views;
22
23
24 import java.util.ArrayList  ;
25 import java.util.List ;
26
27 import org.apache.directory.ldapstudio.schemas.Activator;
28 import org.apache.directory.ldapstudio.schemas.PluginConstants;
29 import org.apache.directory.ldapstudio.schemas.model.AttributeType;
30 import org.apache.directory.ldapstudio.schemas.model.LDAPModelEvent;
31 import org.apache.directory.ldapstudio.schemas.model.ObjectClass;
32 import org.apache.directory.ldapstudio.schemas.model.PoolListener;
33 import org.apache.directory.ldapstudio.schemas.model.SchemaPool;
34 import org.apache.directory.ldapstudio.schemas.view.views.wrappers.AttributeTypeWrapper;
35 import org.apache.directory.ldapstudio.schemas.view.views.wrappers.ITreeNode;
36 import org.apache.directory.ldapstudio.schemas.view.views.wrappers.ObjectClassWrapper;
37 import org.eclipse.jface.viewers.IStructuredContentProvider;
38 import org.eclipse.jface.viewers.ITreeContentProvider;
39 import org.eclipse.jface.viewers.TreeViewer;
40 import org.eclipse.jface.viewers.Viewer;
41
42
43
49 public class HierarchyViewContentProvider implements IStructuredContentProvider, ITreeContentProvider, PoolListener
50 {
51
52 private SchemaPool schemaPool;
53
54
55 private TreeViewer viewer;
56
57 List <AttributeType> attributeTypes;
58 List <ObjectClass> objectClasses;
59
60
61
64 public HierarchyViewContentProvider( TreeViewer viewer )
65 {
66 this.viewer = viewer;
67 schemaPool = SchemaPool.getInstance();
68 schemaPool.addListener( this );
69 attributeTypes = schemaPool.getAttributeTypes();
70 objectClasses = schemaPool.getObjectClasses();
71 }
72
73
74
77 public Object [] getElements( Object inputElement )
78 {
79 return getChildren( inputElement );
80 }
81
82
83
86 public Object [] getChildren( Object parentElement )
87 {
88 int mode = Activator.getDefault().getDialogSettings().getInt( PluginConstants.PREFS_HIERARCHY_VIEW_MODE );
89 List <ITreeNode> children = null;
90
91 if ( parentElement instanceof ObjectClass )
92 {
93 ObjectClass oc = ( ObjectClass ) parentElement;
94
95 ObjectClassWrapper ocw = new ObjectClassWrapper( oc, null );
96 children = new ArrayList <ITreeNode>();
97 children.add( ocw );
98 }
99 else if ( parentElement instanceof AttributeType )
100 {
101 AttributeType at = ( AttributeType ) parentElement;
102
103 AttributeTypeWrapper atw = new AttributeTypeWrapper( at, null );
104 children = new ArrayList <ITreeNode>();
105 children.add( atw );
106 }
107 else if ( parentElement instanceof ObjectClassWrapper )
108 {
109 ObjectClassWrapper ocw = ( ObjectClassWrapper ) parentElement;
110 ObjectClass oc = ocw.getMyObjectClass();
111
112 if ( mode == PluginConstants.PREFS_HIERARCHY_VIEW_MODE_SUPERTYPE )
113 {
114 String [] superiors = oc.getSuperiors();
115 for ( String superior : superiors )
116 {
117 if ( superior != null || "".equals( superior ) ) {
119 ObjectClass supOC = schemaPool.getObjectClass( superior );
120 if ( supOC != null )
121 {
122 ObjectClassWrapper supOCW = new ObjectClassWrapper( supOC, ocw );
123 ocw.addChild( supOCW );
124 }
125 }
126 }
127 }
128 else if ( mode == PluginConstants.PREFS_HIERARCHY_VIEW_MODE_SUBTYPE )
129 {
130 for ( ObjectClass objectClass : objectClasses )
131 {
132 String [] superiors = objectClass.getSuperiors();
133 for ( String superior : superiors )
134 {
135 if ( superior != null || "".equals( superior ) ) {
137 ObjectClass supOC = schemaPool.getObjectClass( superior );
138 if ( supOC != null && oc.equals( supOC ) )
139 {
140 ObjectClassWrapper supOCW = new ObjectClassWrapper( objectClass, ocw );
141 ocw.addChild( supOCW );
142 }
143 }
144 }
145 }
146 }
147
148 children = ocw.getChildren();
149 }
150 else if ( parentElement instanceof AttributeTypeWrapper )
151 {
152 AttributeTypeWrapper atw = ( AttributeTypeWrapper ) parentElement;
153 AttributeType at = atw.getMyAttributeType();
154
155 if ( mode == PluginConstants.PREFS_HIERARCHY_VIEW_MODE_SUPERTYPE )
156 {
157 String superior = at.getSuperior();
158 if ( superior != null || "".equals( superior ) ) {
160 AttributeType supAT = schemaPool.getAttributeType( superior );
161 if ( supAT != null )
162 {
163 AttributeTypeWrapper supATW = new AttributeTypeWrapper( supAT, atw );
164 atw.addChild( supATW );
165 }
166 }
167 }
168 else if ( mode == PluginConstants.PREFS_HIERARCHY_VIEW_MODE_SUBTYPE )
169 {
170 for ( AttributeType attributeType : attributeTypes )
171 {
172 String superior = attributeType.getSuperior();
173 if ( superior != null && !"".equals( superior ) ) {
175 AttributeType supAT = schemaPool.getAttributeType( superior );
176 if ( supAT != null && at.equals( supAT ) )
177 {
178 AttributeTypeWrapper supATW = new AttributeTypeWrapper( attributeType, atw );
179 atw.addChild( supATW );
180 }
181 }
182 }
183 }
184
185 children = atw.getChildren();
186 }
187
188 if ( children == null )
189 {
190 return new Object [0];
191 }
192 else
193 {
194 return children.toArray();
195 }
196 }
197
198
199
202 public Object getParent( Object element )
203 {
204 if ( element instanceof ITreeNode )
205 {
206 return ( ( ITreeNode ) element ).getParent();
207 }
208
209 return null;
211 }
212
213
214
217 public boolean hasChildren( Object element )
218 {
219 if ( element instanceof ITreeNode )
220 {
221 return getChildren( element ).length > 0;
222 }
223
224 return false;
226 }
227
228
229
232 public void dispose()
233 {
234 }
235
236
237
240 public void inputChanged( Viewer viewer, Object oldInput, Object newInput )
241 {
242 }
243
244
245
248 public void poolChanged( SchemaPool p, LDAPModelEvent e )
249 {
250 viewer.refresh();
251 viewer.expandAll();
252 }
253 }
254 |
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