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/*******************************************************************************
* Copyright (c) 2001, 2004 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.graph.editparts;
import java.util.Iterator;
import org.eclipse.emf.ecore.EObject;
import org.eclipse.wst.wsdl.Binding;
import org.eclipse.wst.wsdl.BindingFault;
import org.eclipse.wst.wsdl.BindingInput;
import org.eclipse.wst.wsdl.BindingOperation;
import org.eclipse.wst.wsdl.BindingOutput;
import org.eclipse.wst.wsdl.Definition;
import org.eclipse.wst.wsdl.Fault;
import org.eclipse.wst.wsdl.Input;
import org.eclipse.wst.wsdl.Message;
import org.eclipse.wst.wsdl.Operation;
import org.eclipse.wst.wsdl.Output;
import org.eclipse.wst.wsdl.Port;
import org.eclipse.wst.wsdl.PortType;
import org.eclipse.wst.wsdl.WSDLElement;
import org.eclipse.wst.wsdl.internal.util.WSDLSwitch;
import org.eclipse.wst.wsdl.ui.internal.model.WSDLGroupObject;
import org.eclipse.wst.wsdl.ui.internal.util.ComponentReferenceUtil;
public class PortTypesGroupConnectionManager extends AbstractConnectionManager
{
public PortTypesGroupConnectionManager(GroupEditPart groupEditPart)
{
super(groupEditPart);
}
class InternalWSDLSwitch extends WSDLSwitch
{
public boolean isBindingGroupShowing()
{
GroupEditPart prevGroupEditPart = groupEditPart.getPrevious();
return prevGroupEditPart != null && prevGroupEditPart.getType() == WSDLGroupObject.BINDINGS_GROUP;
}
public Object caseBinding(Binding binding)
{
Object portType = getPortTypeForBindingObject(binding);
groupEditPart.setEmphasizedModelObject(portType);
groupEditPart.setInputConnectionModelObject(portType);
groupEditPart.setOutputConnectionModelObject(null);
return Boolean.TRUE;
}
public Object caseBindingFault(BindingFault bindingFault)
{
groupEditPart.setEmphasizedModelObject(getPortTypeForBindingObject(bindingFault));
Fault fault = ComponentReferenceUtil.computeFault(bindingFault);
groupEditPart.setInputConnectionModelObject(fault);
groupEditPart.setOutputConnectionModelObject(fault);
return Boolean.TRUE;
}
public Object caseBindingInput(BindingInput bindingInput)
{
groupEditPart.setEmphasizedModelObject(getPortTypeForBindingObject(bindingInput));
Input input = ComponentReferenceUtil.computeInput(bindingInput);
groupEditPart.setInputConnectionModelObject(input);
groupEditPart.setOutputConnectionModelObject(input);
return Boolean.TRUE;
}
public Object caseBindingOperation(BindingOperation bindingOperation)
{
groupEditPart.setEmphasizedModelObject(getPortTypeForBindingObject(bindingOperation));
groupEditPart.setInputConnectionModelObject(ComponentReferenceUtil.computeOperation(bindingOperation));
groupEditPart.setOutputConnectionModelObject(null);
return Boolean.TRUE;
}
public Object caseBindingOutput(BindingOutput bindingOutput)
{
groupEditPart.setEmphasizedModelObject(getPortTypeForBindingObject(bindingOutput));
Output output = ComponentReferenceUtil.computeOutput(bindingOutput);
groupEditPart.setInputConnectionModelObject(output);
groupEditPart.setOutputConnectionModelObject(output);
return Boolean.TRUE;
}
public Object caseFault(Fault fault)
{
groupEditPart.setEmphasizedModelObject(getEnclosingPortType(fault));
if (isBindingGroupShowing())
{
groupEditPart.setInputConnectionModelObject(fault);
}
else
{
groupEditPart.setInputConnectionModelObject(getEnclosingPortType(fault));
}
groupEditPart.setOutputConnectionModelObject(fault);
return Boolean.TRUE;
}
public Object caseInput(Input input)
{
groupEditPart.setEmphasizedModelObject(getEnclosingPortType(input));
if (isBindingGroupShowing())
{
groupEditPart.setInputConnectionModelObject(input);
}
else
{
groupEditPart.setInputConnectionModelObject(getEnclosingPortType(input));
}
groupEditPart.setOutputConnectionModelObject(input);
return Boolean.TRUE;
}
public Object caseMessage(Message message)
{
Object previousContext = groupEditPart.getOutputConnectionModelObject();
if (previousContext == null)
{
previousContext = groupEditPart.getEmphasizedModelObject();
}
EObject messageReference = null;
if (previousContext == null || previousContext instanceof EObject)
{
messageReference = getMessageReference(message, (EObject)previousContext);
}
if (messageReference != null)
{
doSwitch(messageReference);
}
else
{
defaultCase(null);
}
return Boolean.TRUE;
}
public Object caseOperation(Operation operation)
{
groupEditPart.setEmphasizedModelObject(getEnclosingPortType(operation));
if (isBindingGroupShowing())
{
groupEditPart.setInputConnectionModelObject(operation);
}
else
{
groupEditPart.setInputConnectionModelObject(getEnclosingPortType(operation));
}
groupEditPart.setOutputConnectionModelObject(null);
return Boolean.TRUE;
}
public Object caseOutput(Output output)
{
groupEditPart.setEmphasizedModelObject(getEnclosingPortType(output));
if (isBindingGroupShowing())
{
groupEditPart.setInputConnectionModelObject(output);
}
else
{
groupEditPart.setInputConnectionModelObject(getEnclosingPortType(output));
}
groupEditPart.setOutputConnectionModelObject(output);
return Boolean.TRUE;
}
public Object casePortType(PortType portType)
{
groupEditPart.setEmphasizedModelObject(portType);
groupEditPart.setInputConnectionModelObject(portType);
groupEditPart.setOutputConnectionModelObject(null);
return Boolean.TRUE;
}
public Object casePort(Port port)
{
Binding binding = port.getEBinding();
PortType portType = binding != null ? binding.getEPortType() : null;
groupEditPart.setEmphasizedModelObject(portType);
groupEditPart.setInputConnectionModelObject(portType);
groupEditPart.setOutputConnectionModelObject(null);
return Boolean.TRUE;
}
public Object defaultCase(EObject object)
{
groupEditPart.setEmphasizedModelObject(null);
groupEditPart.setInputConnectionModelObject(null);
groupEditPart.setOutputConnectionModelObject(null);
return Boolean.TRUE;
}
}
protected WSDLSwitch createSwitch(int selectionType)
{
return new InternalWSDLSwitch();
}
protected PortType getPortTypeForBindingObject(EObject object)
{
Binding binding = getEnclosingBinding(object);
return binding.getEPortType();
}
public void propagateForward(Object model)
{
if (model instanceof WSDLElement)
{
WSDLSwitch theSwitch = createSwitch(PROPAGATE_FORWARD);
theSwitch.doSwitch((EObject)model);
groupEditPart.scrollToRevealInputConnection();
}
else
{
removeConnections();
}
Object o = groupEditPart.getOutputConnectionModelObject();
propagateForwardToNext(o != null ? o : model);
}
protected void propagateBackToPrevious(Object model)
{
model = (model instanceof Message) ? groupEditPart.getInputConnectionModelObject() : model;
super.propagateBackToPrevious(model);
}
protected Message getReferencedMessage(EObject o)
{
Message result = null;
if (o instanceof Input)
{
result = ((Input)o).getEMessage();
}
else if (o instanceof Output)
{
result = ((Output)o).getEMessage();
}
else if (o instanceof Fault)
{
result = ((Fault)o).getEMessage();
}
return result;
}
protected boolean isMatchingMessageReference(EObject messageReference, Message message)
{
Message m = getReferencedMessage(messageReference);
return (m != null) && (m == messageReference);
}
public EObject getMessageReference(Message message, EObject prevContext)
{
EObject result = null;
PortType prevPortType = getEnclosingPortType(prevContext);
Operation prevOperation = getEnclosingOperation(prevContext);
EObject prevMessageReference = getMessageReference(prevContext);
if (prevPortType != null)
{
result = getMessageReference(message, prevPortType, prevOperation, prevMessageReference);
}
if (result == null)
{
Definition definition = groupEditPart.getDefinition();
ComponentReferenceUtil util = new ComponentReferenceUtil(definition);
for (Iterator i = util.getPortTypes().iterator(); i.hasNext(); )
{
PortType portType = (PortType)i.next();
result = getMessageReference(message, portType, null, null);
if (result != null)
{
break;
}
}
}
return result;
}
public EObject getMessageReference(Message message, PortType portType, Operation prevOperation, EObject prevMessageReference)
{
EObject result = null;
if (prevMessageReference != null && isMatchingMessageReference(prevMessageReference, message))
{
result = prevMessageReference;
}
if (result == null && prevOperation != null)
{
result = getMessageReference(message, prevOperation);
}
if (result == null)
{
for (Iterator i = portType.getOperations().iterator(); i.hasNext();)
{
Operation operation = (Operation)i.next();
result = getMessageReference(message, operation);
if (result != null)
{
break;
}
}
}
return result;
}
public EObject getMessageReference(Message message, Operation operation)
{
EObject result = null;
Input input = operation.getEInput();
Output output = operation.getEOutput();
if (input != null && input.getMessage() == message)
{
result = input;
}
else if (output != null && output.getMessage() == message)
{
result = output;
}
if (result == null)
{
for (Iterator i = operation.getEFaults().iterator(); i.hasNext();)
{
Fault fault = (Fault)i.next();
if (fault.getMessage() == message)
{
result = fault;
break;
}
}
}
return result;
}
}
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