Case Study: adding data and statistics

[ifi-stolz-refaktor.git] / case-study / jdt-after / ui / org / eclipse / jdt / ui / text / folding / IJavaFoldingPreferenceBlock.java

diff --git a/case-study/jdt-after/ui/org/eclipse/jdt/ui/text/folding/IJavaFoldingPreferenceBlock.java b/case-study/jdt-after/ui/org/eclipse/jdt/ui/text/folding/IJavaFoldingPreferenceBlock.java
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+/*******************************************************************************
+ * Copyright (c) 2000, 2005 IBM Corporation and others.
+ * All rights reserved. This program and the accompanying materials
+ * are made available under the terms of the Eclipse Public License v1.0
+ * which accompanies this distribution, and is available at
+ * http://www.eclipse.org/legal/epl-v10.html
+ *
+ * Contributors:
+ *     IBM Corporation - initial API and implementation
+ *******************************************************************************/
+package org.eclipse.jdt.ui.text.folding;
+
+import org.eclipse.swt.widgets.Composite;
+import org.eclipse.swt.widgets.Control;
+
+
+/**
+ * Contributors to the <code>org.eclipse.jdt.ui.foldingStructureProvider</code> extension point
+ * can specify an implementation of this interface to be displayed on the Java &gt; Editor &gt; Folding
+ * preference page.
+ * <p>
+ * Clients may implement this interface.
+ * </p>
+ *
+ * @since 3.0
+ */
+public interface IJavaFoldingPreferenceBlock {
+
+       /**
+        * Creates the control that will be displayed on the Java &gt; Editor &gt; Folding
+        * preference page.
+        *
+        * @param parent the parent composite to which to add the preferences control
+        * @return the control that was added to <code>parent</code>
+        */
+       Control createControl(Composite parent);
+
+       /**
+        * Called after creating the control. Implementations should load the
+        * preferences values and update the controls accordingly.
+        */
+       void initialize();
+
+       /**
+        * Called when the <code>OK</code> button is pressed on the preference
+        * page. Implementations should commit the configured preference settings
+        * into their form of preference storage.
+        */
+       void performOk();
+
+       /**
+        * Called when the <code>Defaults</code> button is pressed on the
+        * preference page. Implementation should reset any preference settings to
+        * their default values and adjust the controls accordingly.
+        */
+       void performDefaults();
+
+       /**
+        * Called when the preference page is being disposed. Implementations should
+        * free any resources they are holding on to.
+        */
+       void dispose();
+
+}