1 files changed, 63 insertions, 0 deletions
diff --git a/src/plugins/certmanager/src/com/motorolamobility/studio/android/certmanager/command/AbstractHandler2.java b/src/plugins/certmanager/src/com/motorolamobility/studio/android/certmanager/command/AbstractHandler2.java
new file mode 100644
index 0000000..358c511
--- /dev/null
+++ b/src/plugins/certmanager/src/com/motorolamobility/studio/android/certmanager/command/AbstractHandler2.java
@@ -0,0 +1,63 @@
+/*
+ * Copyright (C) 2012 The Android Open Source Project
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *      http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
+package com.motorolamobility.studio.android.certmanager.command;
+
+import java.util.ArrayList;
+import java.util.List;
+
+import org.eclipse.core.commands.AbstractHandler;
+import org.eclipse.core.commands.IHandler2;
+import org.eclipse.jface.viewers.ISelection;
+import org.eclipse.jface.viewers.IStructuredSelection;
+import org.eclipse.ui.PlatformUI;
+
+import com.motorolamobility.studio.android.certmanager.ui.model.ITreeNode;
+
+/**
+ * This abstract handler adds convenient methods, like methods to retrieve the current selection.
+ */
+public abstract class AbstractHandler2 extends AbstractHandler implements IHandler2
+{
+
+    /**
+     * Retrieves the list of selected nodes.
+     * */
+    @SuppressWarnings("unchecked")
+    protected List<ITreeNode> getSelection()
+    {
+        List<ITreeNode> selectedNodes = new ArrayList<ITreeNode>(1);
+        ISelection selection =
+                PlatformUI.getWorkbench().getActiveWorkbenchWindow().getSelectionService()
+                        .getSelection();
+        if (selection instanceof IStructuredSelection)
+        {
+            IStructuredSelection treeSelection = (IStructuredSelection) selection;
+            List<Object> selectedElements = treeSelection.toList();
+
+            for (Object selectedObject : selectedElements)
+            {
+                if (selectedObject instanceof ITreeNode)
+                {
+                    selectedNodes.add((ITreeNode) selectedObject);
+                }
+            }
+        }
+
+        return selectedNodes;
+    }
+
+}