X-Git-Url: http://git.uio.no/git/?a=blobdiff_plain;f=case-study%2Fjdt-before%2Fui%2Forg%2Feclipse%2Fjdt%2Finternal%2Fui%2Fworkingsets%2FWorkingSetComparator.java;fp=case-study%2Fjdt-before%2Fui%2Forg%2Feclipse%2Fjdt%2Finternal%2Fui%2Fworkingsets%2FWorkingSetComparator.java;h=a27412b11328293b8e3f89afe8df2f84b2dbe0e8;hb=1b2798f607d741df30e5197f427381cbff326adc;hp=0000000000000000000000000000000000000000;hpb=246231e4bd9b24345490f369747c0549ca308c4d;p=ifi-stolz-refaktor.git

diff --git a/case-study/jdt-before/ui/org/eclipse/jdt/internal/ui/workingsets/WorkingSetComparator.java b/case-study/jdt-before/ui/org/eclipse/jdt/internal/ui/workingsets/WorkingSetComparator.java
new file mode 100644
index 00000000..a27412b1
--- /dev/null
+++ b/case-study/jdt-before/ui/org/eclipse/jdt/internal/ui/workingsets/WorkingSetComparator.java
@@ -0,0 +1,73 @@
+/*******************************************************************************
+ * Copyright (c) 2009, 2011 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.workingsets;
+
+import java.util.Comparator;
+
+import com.ibm.icu.text.Collator;
+
+import org.eclipse.ui.IWorkingSet;
+
+
+/**
+ * Comparator class to sort working sets, optionally keeping the default working set at the top.
+ * 
+ * @since 3.5
+ */
+public class WorkingSetComparator implements Comparator<IWorkingSet> {
+	
+	private Collator fCollator= Collator.getInstance();
+
+	/**
+	 * Boolean value to determine whether to keep default working set on the top while sorting.
+	 */
+	private boolean fIsOtherWorkingSetOnTop;
+
+
+	/**
+	 * Creates new instance of the working set comparator.
+	 */
+	public WorkingSetComparator() {
+		fIsOtherWorkingSetOnTop= false;
+	}
+
+	/**
+	 * Creates a new instance of working set comparator and initializes the boolean field value to
+	 * the given value, which determines whether or not the default working set is kept on top while
+	 * sorting the working sets.
+	 * 
+	 * @param isOtherWorkingSetOnTop <code>true</code> if default working set is to be retained at
+	 *            the top, <code>false</code> otherwise
+	 */
+	public WorkingSetComparator(boolean isOtherWorkingSetOnTop) {
+		fIsOtherWorkingSetOnTop= isOtherWorkingSetOnTop;
+	}
+
+	/**
+	 * Returns <code>-1</code> if the first argument is the default working set, <code>1</code> if
+	 * the second argument is the default working set and if the boolean
+	 * <code>fIsOtherWorkingSetOnTop</code> is set, to keep the default working set on top while
+	 * sorting.
+	 * 
+	 * @see Comparator#compare(Object, Object)
+	 */
+	public int compare(IWorkingSet w1, IWorkingSet w2) {
+
+		if (fIsOtherWorkingSetOnTop && IWorkingSetIDs.OTHERS.equals(w1.getId()))
+			return -1;
+		
+		if (fIsOtherWorkingSetOnTop && IWorkingSetIDs.OTHERS.equals(w2.getId()))
+			return 1;
+		
+		return fCollator.compare(w1.getLabel(), w2.getLabel());
+	}
+}
+