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Java > Open Source Codes > org > eclipse > jdt > ui > text > folding > IJavaFoldingPreferenceBlock


1 /*******************************************************************************
2  * Copyright (c) 2000, 2005 IBM Corporation and others.
3  * All rights reserved. This program and the accompanying materials
4  * are made available under the terms of the Eclipse Public License v1.0
5  * which accompanies this distribution, and is available at
6  * http://www.eclipse.org/legal/epl-v10.html
7  *
8  * Contributors:
9  * IBM Corporation - initial API and implementation
10  *******************************************************************************/

11 package org.eclipse.jdt.ui.text.folding;
12
13 import org.eclipse.swt.widgets.Composite;
14 import org.eclipse.swt.widgets.Control;
15
16
17 /**
18  * Contributors to the <code>org.eclipse.jdt.ui.foldingStructureProvider</code> extension point
19  * can specify an implementation of this interface to be displayed on the Java &gt; Editor &gt; Folding
20  * preference page.
21  * <p>
22  * Clients may implement this interface.
23  * </p>
24  *
25  * @since 3.0
26  */

27 public interface IJavaFoldingPreferenceBlock {
28
29     /**
30      * Creates the control that will be displayed on the Java &gt; Editor &gt; Folding
31      * preference page.
32      *
33      * @param parent the parent composite to which to add the preferences control
34      * @return the control that was added to <code>parent</code>
35      */

36     Control createControl(Composite parent);
37
38     /**
39      * Called after creating the control. Implementations should load the
40      * preferences values and update the controls accordingly.
41      */

42     void initialize();
43
44     /**
45      * Called when the <code>OK</code> button is pressed on the preference
46      * page. Implementations should commit the configured preference settings
47      * into their form of preference storage.
48      */

49     void performOk();
50
51     /**
52      * Called when the <code>Defaults</code> button is pressed on the
53      * preference page. Implementation should reset any preference settings to
54      * their default values and adjust the controls accordingly.
55      */

56     void performDefaults();
57
58     /**
59      * Called when the preference page is being disposed. Implementations should
60      * free any resources they are holding on to.
61      */

62     void dispose();
63
64 }
65
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