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Java > Open Source Codes > org > apache > directory > ldapstudio > schemas > view > views > HierarchyViewLabelProvider


1 /*
2  * Licensed to the Apache Software Foundation (ASF) under one
3  * or more contributor license agreements. See the NOTICE file
4  * distributed with this work for additional information
5  * regarding copyright ownership. The ASF licenses this file
6  * to you under the Apache License, Version 2.0 (the
7  * "License"); you may not use this file except in compliance
8  * with the License. You may obtain a copy of the License at
9  *
10  * http://www.apache.org/licenses/LICENSE-2.0
11  *
12  * Unless required by applicable law or agreed to in writing,
13  * software distributed under the License is distributed on an
14  * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
15  * KIND, either express or implied. See the License for the
16  * specific language governing permissions and limitations
17  * under the License.
18  *
19  */
20
21 package org.apache.directory.ldapstudio.schemas.view.views;
22
23
24 import org.apache.directory.ldapstudio.schemas.Activator;
25 import org.apache.directory.ldapstudio.schemas.PluginConstants;
26 import org.apache.directory.ldapstudio.schemas.view.ViewUtils;
27 import org.apache.directory.ldapstudio.schemas.view.views.wrappers.AttributeTypeWrapper;
28 import org.apache.directory.ldapstudio.schemas.view.views.wrappers.ITreeNode;
29 import org.apache.directory.ldapstudio.schemas.view.views.wrappers.ObjectClassWrapper;
30 import org.apache.directory.ldapstudio.schemas.view.views.wrappers.SchemaWrapper;
31 import org.eclipse.jface.preference.IPreferenceStore;
32 import org.eclipse.jface.viewers.LabelProvider;
33 import org.eclipse.swt.graphics.Image;
34 import org.eclipse.ui.ISharedImages;
35 import org.eclipse.ui.PlatformUI;
36
37
38 /**
39  * This class implements the LabelProvider for the Hierarchy View.
40  *
41  * @author <a HREF="mailto:dev@directory.apache.org">Apache Directory Project</a>
42  * @version $Rev$, $Date$
43  */
44 public class HierarchyViewLabelProvider extends LabelProvider
45 {
46     /** The preferences store */
47     private IPreferenceStore store;
48
49
50     /**
51      * Creates a new instance of SchemasViewLabelProvider.
52      */
53     public HierarchyViewLabelProvider()
54     {
55         store = Activator.getDefault().getPreferenceStore();
56     }
57
58
59     /* (non-Javadoc)
60      * @see org.eclipse.jface.viewers.LabelProvider#getText(java.lang.Object)
61      */
62     public String JavaDoc getText( Object JavaDoc obj )
63     {
64         String JavaDoc label = ""; //$NON-NLS-1$
65
66         int labelValue = store.getInt( PluginConstants.PREFS_HIERARCHY_VIEW_LABEL );
67         boolean abbreviate = store.getBoolean( PluginConstants.PREFS_HIERARCHY_VIEW_ABBREVIATE );
68         int abbreviateMaxLength = store.getInt( PluginConstants.PREFS_HIERARCHY_VIEW_ABBREVIATE_MAX_LENGTH );
69         boolean secondaryLabelDisplay = store.getBoolean( PluginConstants.PREFS_HIERARCHY_VIEW_SECONDARY_LABEL_DISPLAY );
70         int secondaryLabelValue = store.getInt( PluginConstants.PREFS_HIERARCHY_VIEW_SECONDARY_LABEL );
71         boolean secondaryLabelAbbreviate = store
72             .getBoolean( PluginConstants.PREFS_HIERARCHY_VIEW_SECONDARY_LABEL_ABBREVIATE );
73         int secondaryLabelAbbreviateMaxLength = store
74             .getInt( PluginConstants.PREFS_HIERARCHY_VIEW_SECONDARY_LABEL_ABBREVIATE_MAX_LENGTH );
75
76         if ( obj instanceof AttributeTypeWrapper )
77         {
78             if ( labelValue == PluginConstants.PREFS_HIERARCHY_VIEW_LABEL_FIRST_NAME )
79             {
80                 label = ( ( AttributeTypeWrapper ) obj ).getMyAttributeType().getNames()[0];
81             }
82             else if ( labelValue == PluginConstants.PREFS_HIERARCHY_VIEW_LABEL_ALL_ALIASES )
83             {
84                 label = ViewUtils.concateAliases( ( ( AttributeTypeWrapper ) obj ).getMyAttributeType().getNames() );
85             }
86             else if ( labelValue == PluginConstants.PREFS_HIERARCHY_VIEW_LABEL_OID )
87             {
88                 label = ( ( AttributeTypeWrapper ) obj ).getMyAttributeType().getOid();
89             }
90             else
91             // Default
92 {
93                 label = ( ( AttributeTypeWrapper ) obj ).getMyAttributeType().getNames()[0];
94             }
95         }
96         else if ( obj instanceof ObjectClassWrapper )
97         {
98             if ( labelValue == PluginConstants.PREFS_HIERARCHY_VIEW_LABEL_FIRST_NAME )
99             {
100                 label = ( ( ObjectClassWrapper ) obj ).getMyObjectClass().getNames()[0];
101             }
102             else if ( labelValue == PluginConstants.PREFS_HIERARCHY_VIEW_LABEL_ALL_ALIASES )
103             {
104                 label = ViewUtils.concateAliases( ( ( ObjectClassWrapper ) obj ).getMyObjectClass().getNames() );
105             }
106             else if ( labelValue == PluginConstants.PREFS_HIERARCHY_VIEW_LABEL_OID )
107             {
108                 label = ( ( ObjectClassWrapper ) obj ).getMyObjectClass().getOid();
109             }
110             else
111             // Default
112 {
113                 label = ( ( ObjectClassWrapper ) obj ).getMyObjectClass().getNames()[0];
114             }
115         }
116         else if ( obj instanceof SchemaWrapper )
117         {
118             label = ( ( SchemaWrapper ) obj ).getMySchema().getName();
119         }
120         else
121         // Default
122 {
123             label = obj.toString();
124         }
125
126         if ( abbreviate && ( abbreviateMaxLength < label.length() )
127             && ( ( obj instanceof ObjectClassWrapper ) || ( obj instanceof AttributeTypeWrapper ) ) )
128         {
129             label = label.substring( 0, abbreviateMaxLength ) + "..."; //$NON-NLS-1$
130 }
131
132         if ( secondaryLabelDisplay )
133         {
134             String JavaDoc secondaryLabel = ""; //$NON-NLS-1$
135 if ( obj instanceof AttributeTypeWrapper )
136             {
137                 if ( secondaryLabelValue == PluginConstants.PREFS_HIERARCHY_VIEW_LABEL_FIRST_NAME )
138                 {
139                     secondaryLabel = ( ( AttributeTypeWrapper ) obj ).getMyAttributeType().getNames()[0];
140                 }
141                 else if ( secondaryLabelValue == PluginConstants.PREFS_HIERARCHY_VIEW_LABEL_ALL_ALIASES )
142                 {
143                     secondaryLabel = ViewUtils.concateAliases( ( ( AttributeTypeWrapper ) obj ).getMyAttributeType()
144                         .getNames() );
145                 }
146                 else if ( secondaryLabelValue == PluginConstants.PREFS_HIERARCHY_VIEW_LABEL_OID )
147                 {
148                     secondaryLabel = ( ( AttributeTypeWrapper ) obj ).getMyAttributeType().getOid();
149                 }
150             }
151             else if ( obj instanceof ObjectClassWrapper )
152             {
153                 if ( secondaryLabelValue == PluginConstants.PREFS_HIERARCHY_VIEW_LABEL_FIRST_NAME )
154                 {
155                     secondaryLabel = ( ( ObjectClassWrapper ) obj ).getMyObjectClass().getNames()[0];
156                 }
157                 else if ( secondaryLabelValue == PluginConstants.PREFS_HIERARCHY_VIEW_LABEL_ALL_ALIASES )
158                 {
159                     secondaryLabel = ViewUtils.concateAliases( ( ( ObjectClassWrapper ) obj ).getMyObjectClass()
160                         .getNames() );
161                 }
162                 else if ( secondaryLabelValue == PluginConstants.PREFS_HIERARCHY_VIEW_LABEL_OID )
163                 {
164                     secondaryLabel = ( ( ObjectClassWrapper ) obj ).getMyObjectClass().getOid();
165                 }
166             }
167
168             if ( secondaryLabelAbbreviate && ( secondaryLabelAbbreviateMaxLength < secondaryLabel.length() ) )
169             {
170                 secondaryLabel = secondaryLabel.substring( 0, secondaryLabelAbbreviateMaxLength ) + "..."; //$NON-NLS-1$
171 }
172
173             label += " [" + secondaryLabel + "]"; //$NON-NLS-1$ //$NON-NLS-2$
174 }
175
176         return label;
177     }
178
179
180     /* (non-Javadoc)
181      * @see org.eclipse.jface.viewers.LabelProvider#getImage(java.lang.Object)
182      */
183     public Image getImage( Object JavaDoc obj )
184     {
185         if ( obj instanceof ITreeNode )
186         {
187             return ( ( ITreeNode ) obj ).getImage();
188         }
189
190         // Default
191 return PlatformUI.getWorkbench().getSharedImages().getImage( ISharedImages.IMG_OBJS_WARN_TSK );
192     }
193 }
194
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