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Java > Open Source Codes > org > apache > directory > ldapstudio > browser > ui > editors > schemabrowser > ReloadSchemaAction


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.browser.ui.editors.schemabrowser;
22
23
24 import org.apache.directory.ldapstudio.browser.core.jobs.ReloadSchemasJob;
25 import org.apache.directory.ldapstudio.browser.core.model.IConnection;
26 import org.apache.directory.ldapstudio.browser.ui.BrowserUIConstants;
27 import org.apache.directory.ldapstudio.browser.ui.BrowserUIPlugin;
28 import org.eclipse.jface.action.Action;
29
30
31 /**
32  * This action reloads the schema.
33  *
34  * @author <a HREF="mailto:dev@directory.apache.org">Apache Directory Project</a>
35  * @version $Rev$, $Date$
36  */
37 public class ReloadSchemaAction extends Action
38 {
39
40     /** The schema page */
41     private SchemaPage schemaPage;
42
43
44     /**
45      * Creates a new instance of ReloadSchemaAction.
46      *
47      * @param schemaPage the schema page
48      */
49     public ReloadSchemaAction( SchemaPage schemaPage )
50     {
51         super( "Reload Schema" );
52         super.setToolTipText( "Reload Schema" );
53         super.setImageDescriptor( BrowserUIPlugin.getDefault().getImageDescriptor( BrowserUIConstants.IMG_REFRESH ) );
54         super.setEnabled( true );
55
56         this.schemaPage = schemaPage;
57     }
58
59
60     /**
61      * {@inheritDoc}
62      */
63     public void run()
64     {
65         final IConnection connection = schemaPage.getConnection();
66         if ( connection != null )
67         {
68             new ReloadSchemasJob( new IConnection[]
69                 { connection } ).execute();
70             schemaPage.getSchemaBrowser().refresh();
71         }
72     }
73
74
75     /**
76      * Disposes this action.
77      */
78     public void dispose()
79     {
80         schemaPage = null;
81     }
82
83
84     /**
85      * Updates the enabled state.
86      */
87     public void updateEnabledState()
88     {
89         setEnabled( schemaPage.getConnection() != null && !schemaPage.isShowDefaultSchema() );
90     }
91
92 }
93
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