1 files changed, 124 insertions, 0 deletions
diff --git a/deprecated/uml-compare-1.X/org.eclipse.papyrus.infra.emf.compare.ui/src/org/eclipse/papyrus/infra/emf/compare/ui/internal/utils/CustomizationAndViewerActionDispatcher.java b/deprecated/uml-compare-1.X/org.eclipse.papyrus.infra.emf.compare.ui/src/org/eclipse/papyrus/infra/emf/compare/ui/internal/utils/CustomizationAndViewerActionDispatcher.java
new file mode 100644
index 00000000000..e573cdb99fc
--- /dev/null
+++ b/deprecated/uml-compare-1.X/org.eclipse.papyrus.infra.emf.compare.ui/src/org/eclipse/papyrus/infra/emf/compare/ui/internal/utils/CustomizationAndViewerActionDispatcher.java
@@ -0,0 +1,124 @@
+/*****************************************************************************
+ * Copyright (c) 2012 CEA LIST.
+ *
+ *    
+ * 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:
+ *  Vincent Lorenzo (CEA LIST) Vincent.Lorenzo@cea.fr - Initial API and implementation
+ *
+ *****************************************************************************/
+package org.eclipse.papyrus.infra.emf.compare.ui.internal.utils;
+
+import org.eclipse.emf.facet.infra.browser.uicore.CustomizationManager;
+import org.eclipse.jface.viewers.LabelProvider;
+import org.eclipse.jface.viewers.TreeViewer;
+import org.eclipse.papyrus.infra.emf.compare.ui.provider.EMFCompareLabelProvider;
+import org.eclipse.papyrus.infra.emf.compare.ui.utils.ICustomizableEditor;
+import org.eclipse.ui.IEditorPart;
+
+/**
+ * 
+ * This class provides methods to manage the Labelprovider and the viewers for the CompareEditor.
+ * 
+ * 
+ */
+public class CustomizationAndViewerActionDispatcher {
+
+	private CustomizationAndViewerActionDispatcher() {
+		//to prevent instantiation
+	}
+
+	/**
+	 * 
+	 * @param editor
+	 *        an editor
+	 * @return
+	 *         Create if it is necessary and returns the Labelprovider for this editor
+	 */
+	public static LabelProvider getLabelProvider(final IEditorPart editor) {
+		if(editor instanceof ICustomizableEditor) {
+			return ((ICustomizableEditor)editor).getLabelProvider();
+		} else {
+			return LabelProviderUtil.INSTANCE.getLabelProviderFor(editor);
+		}
+	}
+
+	/**
+	 * 
+	 * @param editor
+	 *        an editor
+	 * @return
+	 *         the labelprovider associated to this editor. The returned value can be <code>null</code>
+	 */
+	public static LabelProvider getExistingLabelProvider(final IEditorPart editor) {
+		if(editor instanceof ICustomizableEditor) {
+			return ((ICustomizableEditor)editor).getLabelProvider();
+		} else {
+			return LabelProviderUtil.INSTANCE.getExistingLabelProviderFor(editor);
+		}
+	}
+
+	/**
+	 * 
+	 * @param editor
+	 *        an editor
+	 * @return
+	 *         the CustomizationManager associated to this editor (via its LabelProvider)
+	 */
+	public static CustomizationManager getCustomizationManager(final IEditorPart editor) {
+		if(editor instanceof ICustomizableEditor) {
+			EMFCompareLabelProvider provider = ((ICustomizableEditor)editor).getLabelProvider();
+			return provider.getCustomizationManager();
+		} else {
+			EMFCompareLabelProvider provider = LabelProviderUtil.INSTANCE.getExistingLabelProviderFor(editor);
+			return provider.getCustomizationManager();
+		}
+	}
+
+	/**
+	 * Refresh the viewers of the editor
+	 * 
+	 * @param editor
+	 *        an editor
+	 */
+	public static void refreshViewers(final IEditorPart editor) {
+		if(editor instanceof ICustomizableEditor) {
+			((ICustomizableEditor)editor).refreshViewers();
+		} else {
+			EMFCompareLabelProviderRefreshingViewer provider = LabelProviderUtil.INSTANCE.getExistingLabelProviderFor(editor);
+			provider.refreshViewer();
+		}
+	}
+
+	/**
+	 * Break the couple viewer/labelprovider if necessary
+	 * 
+	 * @param viewer
+	 *        a viewer
+	 * @param provider
+	 *        a label provider
+	 */
+	public static void dissociateTreeViewerAndLabelProvider(final TreeViewer viewer, final LabelProvider provider) {
+		if(provider instanceof ILabelProviderRefreshingViewer) {
+			((ILabelProviderRefreshingViewer)provider).unregisterViewer(viewer);
+		}
+	}
+
+	/**
+	 * Create the couple viewer/labelprovider if necessary
+	 * 
+	 * @param viewer
+	 *        a viewer
+	 * @param provider
+	 *        a label provider
+	 */
+	public static void associateViewerAndLabelProvider(final TreeViewer viewer, final LabelProvider provider) {
+		if(provider instanceof ILabelProviderRefreshingViewer) {
+			((ILabelProviderRefreshingViewer)provider).registerViewer(viewer);
+		}
+	}
+}