1 files changed, 57 insertions, 0 deletions
diff --git a/org.eclipse.m2e.editor/src/org/eclipse/m2e/editor/composites/ListEditorContentProvider.java b/org.eclipse.m2e.editor/src/org/eclipse/m2e/editor/composites/ListEditorContentProvider.java
new file mode 100644
index 00000000..735755c8
--- /dev/null
+++ b/org.eclipse.m2e.editor/src/org/eclipse/m2e/editor/composites/ListEditorContentProvider.java
@@ -0,0 +1,57 @@
+/*******************************************************************************
+ * Copyright (c) 2008-2010 Sonatype, Inc.
+ * 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:
+ *      Sonatype, Inc. - initial API and implementation
+ *******************************************************************************/
+
+package org.eclipse.m2e.editor.composites;
+
+import java.util.Arrays;
+import java.util.Comparator;
+import java.util.List;
+
+import org.eclipse.jface.viewers.IStructuredContentProvider;
+import org.eclipse.jface.viewers.Viewer;
+
+/**
+ * @author Eugene Kuleshov
+ */
+public class ListEditorContentProvider<T> implements IStructuredContentProvider {
+
+  public static final Object[] EMPTY = new Object[0];
+  private boolean shouldSort;
+  private Comparator<T> comparator;
+  
+  @SuppressWarnings("unchecked")
+  public Object[] getElements(Object input) {
+    if(input instanceof List) {
+      List<T> list = (List<T>) input;
+      if (shouldSort) {
+        T[] array = (T[]) list.toArray();
+        Arrays.<T>sort(array, comparator);
+        return array;
+      }
+      return list.toArray();
+    }
+    return EMPTY;
+  }
+
+  public void inputChanged(Viewer viewer, Object oldInput, Object newInput) {
+  }
+  
+  public void dispose() {
+  }
+  
+  public void setShouldSort(boolean shouldSort) {
+    this.shouldSort = shouldSort;
+  }
+  
+  public void setComparator(Comparator<T> comparator) {
+    this.comparator = comparator;
+  }
+}