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Java > Open Source Codes > org > apache > directory > ldapstudio > valueeditors > image > ImageValueEditor


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.valueeditors.image;
22
23
24 import org.apache.directory.ldapstudio.browser.common.dialogs.TextDialog;
25 import org.apache.directory.ldapstudio.browser.core.model.IValue;
26 import org.apache.directory.ldapstudio.valueeditors.AbstractDialogBinaryValueEditor;
27 import org.eclipse.swt.SWT;
28 import org.eclipse.swt.widgets.Shell;
29
30
31 /**
32  * Implementation of IValueEditor for syntax 1.3.6.1.4.1.1466.115.121.1.28
33  * (JPEG).
34  *
35  * @author <a HREF="mailto:dev@directory.apache.org">Apache Directory Project</a>
36  * @version $Rev$, $Date$
37  */
38 public class ImageValueEditor extends AbstractDialogBinaryValueEditor
39 {
40
41     /**
42      * {@inheritDoc}
43      *
44      * This implementation opens the ImageDialog.
45      */
46     protected boolean openDialog( Shell shell )
47     {
48         Object JavaDoc value = getValue();
49
50         if ( value != null && value instanceof byte[] )
51         {
52             byte[] currentImageData = ( byte[] ) value;
53
54             ImageDialog dialog = new ImageDialog( shell, currentImageData, SWT.IMAGE_JPEG );
55             if ( dialog.open() == TextDialog.OK && dialog.getNewImageRawData() != null )
56             {
57                 setValue( dialog.getNewImageRawData() );
58                 return true;
59             }
60         }
61         return false;
62     }
63
64
65     /**
66      * {@inheritDoc}
67      *
68      * Returns the image info text created by
69      * ImageDialog.getImageInfo().
70      */
71     public String JavaDoc getDisplayValue( IValue value )
72     {
73         if ( showRawValues() )
74         {
75             return getPrintableString( value );
76         }
77         else
78         {
79             if ( value == null )
80             {
81                 return "NULL";
82             }
83             else if ( value.isBinary() )
84             {
85                 byte[] data = value.getBinaryValue();
86                 String JavaDoc text = ImageDialog.getImageInfo( data );
87                 return text;
88             }
89             else
90             {
91                 return "Invalid Image Data";
92             }
93         }
94     }
95
96 }
97
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