Case Study: adding data and statistics

[ifi-stolz-refaktor.git] / case-study / jdt-before / ui / org / eclipse / jdt / internal / ui / viewsupport / LabelProviderDisposer.java

diff --git a/case-study/jdt-before/ui/org/eclipse/jdt/internal/ui/viewsupport/LabelProviderDisposer.java b/case-study/jdt-before/ui/org/eclipse/jdt/internal/ui/viewsupport/LabelProviderDisposer.java
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+/*******************************************************************************
+ * Copyright (c) 2000, 2008 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.internal.ui.viewsupport;
+
+
+import org.eclipse.swt.events.DisposeEvent;
+import org.eclipse.swt.events.DisposeListener;
+
+import org.eclipse.jface.viewers.ILabelProvider;
+
+/**
+ * Helper class to manage images that should be disposed when a control is disposed
+ * contol.addWidgetListener(new LabelProviderDisposer(myLabelProvider));
+ */
+public class LabelProviderDisposer implements DisposeListener {
+
+       private ILabelProvider fLabelProvider;
+
+       public LabelProviderDisposer(ILabelProvider labelProvider) {
+               fLabelProvider= labelProvider;
+       }
+
+       public void widgetDisposed(DisposeEvent e) {
+               fLabelProvider.dispose();
+       }
+}
+
+