From c65c550062a84306745891a8220c6f1af58cf24e Mon Sep 17 00:00:00 2001
From: Dongyue Mou <mou@fortiss.org>
Date: Mon, 20 Feb 2012 14:04:47 +0000
Subject: [PATCH] fixed random testing refs 283
---
.../base/ui/editor/TreeViewerEditorBase.java | 107 ++++++++++++++++++
1 file changed, 107 insertions(+)
create mode 100644 org.fortiss.tooling.base.ui/trunk/src/org/fortiss/tooling/base/ui/editor/TreeViewerEditorBase.java
diff --git a/org.fortiss.tooling.base.ui/trunk/src/org/fortiss/tooling/base/ui/editor/TreeViewerEditorBase.java b/org.fortiss.tooling.base.ui/trunk/src/org/fortiss/tooling/base/ui/editor/TreeViewerEditorBase.java
new file mode 100644
index 000000000..7378d09ea
--- /dev/null
+++ b/org.fortiss.tooling.base.ui/trunk/src/org/fortiss/tooling/base/ui/editor/TreeViewerEditorBase.java
@@ -0,0 +1,107 @@
+/*--------------------------------------------------------------------------+
+$Id$
+| |
+| Copyright 2011 ForTISS GmbH |
+| |
+| 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 org.fortiss.tooling.base.ui.editor;
+
+import java.util.Collection;
+import java.util.List;
+
+import org.eclipse.emf.common.notify.Adapter;
+import org.eclipse.emf.common.notify.Notification;
+import org.eclipse.emf.ecore.EObject;
+import org.eclipse.emf.ecore.util.EContentAdapter;
+import org.eclipse.jface.viewers.TreeViewer;
+import org.eclipse.swt.widgets.Composite;
+import org.fortiss.tooling.base.ui.dnd.jface.ViewerElementCompositionDropAdapter;
+import org.fortiss.tooling.kernel.ui.extension.base.EditorBase;
+import org.fortiss.tooling.kernel.ui.util.EObjectSelectionUtils;
+
+/**
+ * An editor which only consists of a tree viewer. It uses {@link TreeViewer},
+ * which also allows to define columns, i.e., use the tree and table at the same
+ * time.
+ *
+ * @author hoelzl
+ * @author $Author$
+ * @version $Rev$
+ * @ConQAT.Rating YELLOW Hash: 532479EDC4922A50828399F6761787F3
+ */
+public abstract class TreeViewerEditorBase<T extends EObject> extends
+ EditorBase<T> {
+
+ /** Stores the {@link TreeViewer}. */
+ private TreeViewer treeViewer;
+
+ /** The adapter used for dealing with changes of the */
+ private final Adapter editedObjectChanged = new EContentAdapter() {
+ @Override
+ public void notifyChanged(Notification notification) {
+ super.notifyChanged(notification);
+ if (notification.getEventType() != Notification.REMOVING_ADAPTER
+ && !treeViewer.getTree().isDisposed()) {
+ treeViewer.refresh(true);
+ }
+ }
+ };
+
+ /** {@inheritDoc} */
+ @Override
+ public void createPartControl(Composite parent) {
+ treeViewer = new TreeViewer(parent);
+
+ setupTreeViewer(treeViewer);
+
+ ViewerElementCompositionDropAdapter dndAdapter = new ViewerElementCompositionDropAdapter(
+ treeViewer);
+ treeViewer.addDropSupport(dndAdapter.getSupportedDNDOperations(),
+ dndAdapter.getPreferredTransfers(), dndAdapter);
+
+ treeViewer.setInput(editedObject);
+ getEditorSite().setSelectionProvider(treeViewer);
+
+ editedObject.eAdapters().add(editedObjectChanged);
+ }
+
+ /** {@inheritDoc} */
+ @Override
+ public void dispose() {
+ editedObject.eAdapters().remove(editedObjectChanged);
+ super.dispose();
+ }
+
+ /** Returns the elements currently selected in the tree. */
+ protected Collection<EObject> getTreeSelection() {
+ List<EObject> result = EObjectSelectionUtils
+ .getEObjectElements(treeViewer.getSelection());
+ if (result.isEmpty()) {
+ result.add(editedObject);
+ }
+ return result;
+ }
+
+ /**
+ * This method is used to configure the tree viewer, e.g. set the content
+ * provider, and the label provider.
+ */
+ protected abstract void setupTreeViewer(TreeViewer treeViewer);
+
+ /** {@inheritDoc} */
+ @Override
+ public void setFocus() {
+ treeViewer.getTree().setFocus();
+ }
+}
--
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