1 files changed, 132 insertions, 0 deletions
diff --git a/bundles/org.eclipse.wst.wsdl.ui/src-refactor/org/eclipse/wst/wsdl/ui/internal/refactor/RenameEnablementTester.java b/bundles/org.eclipse.wst.wsdl.ui/src-refactor/org/eclipse/wst/wsdl/ui/internal/refactor/RenameEnablementTester.java
new file mode 100644
index 000000000..829f01121
--- /dev/null
+++ b/bundles/org.eclipse.wst.wsdl.ui/src-refactor/org/eclipse/wst/wsdl/ui/internal/refactor/RenameEnablementTester.java
@@ -0,0 +1,132 @@
+/*******************************************************************************
+ * Copyright (c) 2010 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.wst.wsdl.ui.internal.refactor;
+
+import org.eclipse.core.expressions.PropertyTester;
+import org.eclipse.jface.viewers.IStructuredSelection;
+import org.eclipse.ui.IEditorPart;
+import org.eclipse.ui.IWorkbenchPage;
+import org.eclipse.ui.IWorkbenchWindow;
+import org.eclipse.ui.PlatformUI;
+import org.eclipse.wst.wsdl.Binding;
+import org.eclipse.wst.wsdl.Definition;
+import org.eclipse.wst.wsdl.Message;
+import org.eclipse.wst.wsdl.PortType;
+import org.eclipse.wst.wsdl.WSDLElement;
+import org.eclipse.wst.wsdl.internal.impl.WSDLElementImpl;
+import org.eclipse.wst.wsdl.ui.internal.adapters.WSDLBaseAdapter;
+import org.eclipse.wst.wsdl.ui.internal.util.NodeAssociationManager;
+import org.eclipse.wst.xml.core.internal.provisional.document.IDOMElement;
+import org.eclipse.xsd.XSDAttributeDeclaration;
+import org.eclipse.xsd.XSDConcreteComponent;
+import org.eclipse.xsd.XSDElementDeclaration;
+import org.eclipse.xsd.XSDNamedComponent;
+import org.eclipse.xsd.XSDTypeDefinition;
+import org.w3c.dom.Element;
+
+public class RenameEnablementTester extends PropertyTester {
+	public static final String RENAME_ENABLED = "renameEnabled"; //$NON-NLS-1$
+	public boolean test(Object receiver, String property, Object[] args,
+			Object expectedValue) {
+		if (!RENAME_ENABLED.equals(property)) return false;
+		
+		IWorkbenchWindow window = PlatformUI.getWorkbench().getActiveWorkbenchWindow();
+		if (window == null) return false; 
+
+		IWorkbenchPage activePage = window.getActivePage(); 
+		if (activePage == null) return false;
+
+		IEditorPart editor = activePage.getActiveEditor();	
+		if (editor == null) return false;
+
+		Definition definition = (Definition) editor.getAdapter(Definition.class);
+		if (definition == null) return false;
+
+		return canEnable(definition, receiver);
+	}
+
+	private boolean canEnable(Definition definition, Object selectedObject) {
+		if (selectedObject instanceof IStructuredSelection) {
+			IStructuredSelection fStructuredSelection = (IStructuredSelection) selectedObject;
+			selectedObject = fStructuredSelection.getFirstElement();
+
+			if (selectedObject instanceof WSDLBaseAdapter) {
+				WSDLBaseAdapter wsdlObject = (WSDLBaseAdapter) selectedObject;
+				
+				// do not enable for read-only objects
+				if (wsdlObject.isReadOnly()) {
+					return false;
+				}
+				
+				selectedObject = wsdlObject.getTarget();
+			}
+
+			if (selectedObject instanceof XSDNamedComponent) {
+				return doCanEnableXSDSelection((XSDNamedComponent) selectedObject);
+			} else if(selectedObject instanceof WSDLElementImpl){
+				return doCanEnableWSDLSelection((WSDLElementImpl) selectedObject);
+			}
+			if (selectedObject instanceof Element) {
+				Element node = (Element) selectedObject;
+				if (definition != null) {
+					// issue (eb)  dependency on utility class to get component from the model based on element
+					Object concreteComponent = 	(new NodeAssociationManager()).getModelObjectForNode(definition, node);
+					return canEnable(definition, concreteComponent);
+				}
+			}
+		}
+		return false;
+	}
+
+	private boolean doCanEnableXSDSelection(XSDNamedComponent selectedObject) {
+		if ( !(selectedObject.getElement() instanceof IDOMElement)) {
+			return false;
+		}
+
+		// if it's element reference, then this action is not appropriate
+		if (selectedObject instanceof XSDElementDeclaration) {
+			XSDElementDeclaration element = (XSDElementDeclaration) selectedObject;
+			if (element.isElementDeclarationReference()) {
+				return false;
+			}
+		}
+
+		if(selectedObject instanceof XSDTypeDefinition){
+			XSDTypeDefinition type = (XSDTypeDefinition) selectedObject;
+			XSDConcreteComponent parent = type.getContainer();
+			if (parent instanceof XSDElementDeclaration) {
+				XSDElementDeclaration element = (XSDElementDeclaration) parent;
+				if(element.getAnonymousTypeDefinition().equals(type)){
+					return false;
+				}
+			}
+			else if(parent instanceof XSDAttributeDeclaration) {
+				XSDAttributeDeclaration element = (XSDAttributeDeclaration) parent;
+				if(element.getAnonymousTypeDefinition().equals(type)){
+					return false;
+				}
+			}
+		}
+
+		return true;
+	}
+
+	private boolean doCanEnableWSDLSelection(WSDLElement selectedObject) {
+		if (selectedObject instanceof Binding ||
+				selectedObject instanceof PortType ||
+				selectedObject instanceof Message) {
+			return true;
+		} else {
+			return false;
+		}
+	}
+
+}