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Java > Open Source Codes > org > apache > directory > ldapstudio > ldifeditor > editor > actions > AbstractLdifAction


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.ldifeditor.editor.actions;
22
23
24 import org.apache.directory.ldapstudio.browser.core.model.ldif.LdifFile;
25 import org.apache.directory.ldapstudio.browser.core.model.ldif.LdifPart;
26 import org.apache.directory.ldapstudio.browser.core.model.ldif.container.LdifContainer;
27 import org.apache.directory.ldapstudio.browser.core.model.ldif.container.LdifModSpec;
28 import org.apache.directory.ldapstudio.ldifeditor.editor.LdifEditor;
29
30 import org.eclipse.jface.action.Action;
31 import org.eclipse.jface.text.source.ISourceViewer;
32 import org.eclipse.swt.graphics.Point;
33 import org.eclipse.ui.texteditor.IUpdate;
34
35
36 public abstract class AbstractLdifAction extends Action implements IUpdate
37 {
38
39     protected LdifEditor editor;
40
41
42     public AbstractLdifAction( String JavaDoc text, LdifEditor editor )
43     {
44         super( text );
45         this.editor = editor;
46     }
47
48
49     public final void run()
50     {
51         if ( this.isEnabled() )
52         {
53             doRun();
54         }
55     }
56
57
58     protected abstract void doRun();
59
60
61     public boolean isEnabled()
62     {
63         update();
64         return super.isEnabled();
65     }
66
67
68     protected LdifFile getLdifModel()
69     {
70         LdifFile model = editor.getLdifModel();
71         return model;
72     }
73
74
75     protected LdifContainer[] getSelectedLdifContainers()
76     {
77
78         LdifContainer[] containers = null;
79
80         ISourceViewer sourceViewer = ( ISourceViewer ) editor.getAdapter( ISourceViewer.class );
81         if ( sourceViewer != null )
82         {
83             LdifFile model = editor.getLdifModel();
84             Point selection = sourceViewer.getSelectedRange();
85             containers = LdifFile.getContainers( model, selection.x, selection.y );
86         }
87
88         return containers != null ? containers : new LdifContainer[0];
89
90     }
91
92
93     protected LdifPart[] getSelectedLdifParts()
94     {
95
96         LdifPart[] parts = null;
97
98         ISourceViewer sourceViewer = ( ISourceViewer ) editor.getAdapter( ISourceViewer.class );
99         if ( sourceViewer != null )
100         {
101             LdifFile model = editor.getLdifModel();
102             Point selection = sourceViewer.getSelectedRange();
103             parts = LdifFile.getParts( model, selection.x, selection.y );
104
105         }
106
107         return parts != null ? parts : new LdifPart[0];
108
109     }
110
111
112     protected LdifModSpec getSelectedLdifModSpec()
113     {
114
115         LdifModSpec modSpec = null;
116
117         LdifContainer[] containers = getSelectedLdifContainers();
118         if ( containers.length == 1 )
119         {
120             ISourceViewer sourceViewer = ( ISourceViewer ) editor.getAdapter( ISourceViewer.class );
121             if ( sourceViewer != null )
122             {
123                 Point selection = sourceViewer.getSelectedRange();
124                 modSpec = LdifFile.getInnerContainer( containers[0], selection.x );
125             }
126         }
127
128         return modSpec;
129
130     }
131
132 }
133
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