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/*******************************************************************************
* Copyright (c) 2001, 2006 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.asd.design;
import org.eclipse.draw2d.PositionConstants;
import org.eclipse.gef.EditPart;
import org.eclipse.gef.GraphicalEditPart;
import org.eclipse.gef.commands.Command;
import org.eclipse.wst.wsdl.ui.internal.asd.actions.BaseSelectionAction;
import org.eclipse.wst.wsdl.ui.internal.asd.facade.IMessageReference;
import org.eclipse.wst.wsdl.ui.internal.asd.facade.IOperation;
import org.eclipse.wst.wsdl.ui.internal.asd.facade.IParameter;
import org.eclipse.wst.xsd.ui.internal.adt.design.IKeyboardDrag;
import org.eclipse.wst.xsd.ui.internal.adt.design.editpolicies.KeyBoardAccessibilityEditPolicy;
public class KeyboardDragImpl extends BaseSelectionAction implements IKeyboardDrag {
public KeyboardDragImpl() {
super(null);
}
public void performKeyboardDrag(GraphicalEditPart movingElement, int direction) {
KeyBoardAccessibilityEditPolicy policy = (KeyBoardAccessibilityEditPolicy)movingElement.getEditPolicy(KeyBoardAccessibilityEditPolicy.KEY);
EditPart rightElement = policy.getRelativeEditPart(movingElement, direction);
policy = (KeyBoardAccessibilityEditPolicy)rightElement.getEditPolicy(KeyBoardAccessibilityEditPolicy.KEY);
EditPart leftElement = (policy != null)? policy.getRelativeEditPart(rightElement, direction): null;
Object leftSibElement = (leftElement != null)? leftElement.getModel() : null;
Object rightSibElement = (rightElement != null)? rightElement.getModel() : null;
if (direction == PositionConstants.SOUTH) {
leftSibElement = rightSibElement;
rightSibElement = leftSibElement;
} else if (direction != PositionConstants.NORTH) return;
Object source = movingElement.getModel();
if (source instanceof IMessageReference) {
if(!(leftSibElement instanceof IMessageReference)) leftSibElement = null;
if(!(rightSibElement instanceof IMessageReference)) rightSibElement = null;
Object messageRefOwner = ((IMessageReference) source).getOwnerOperation();
if (messageRefOwner instanceof IOperation) {
IMessageReference leftSib = (IMessageReference) leftSibElement;
IMessageReference rightSib = (IMessageReference) rightSibElement;
IMessageReference movingSib = (IMessageReference) source;
Command command = ((IOperation) messageRefOwner).getReorderMessageReferencesCommand(leftSib, rightSib, movingSib);
command.execute();
performSelection(source);
}
}
else if (source instanceof IParameter) {
if(!(leftSibElement instanceof IParameter)) leftSibElement = null;
if(!(rightSibElement instanceof IParameter)) rightSibElement = null;
Object paramOwner = ((IParameter) source).getOwner();
if (paramOwner instanceof IMessageReference) {
IParameter leftSib = (IParameter) leftSibElement;
IParameter rightSib = (IParameter) rightSibElement;
IParameter movingSib = (IParameter) source;
Command command = ((IMessageReference) paramOwner).getReorderParametersCommand(leftSib, rightSib, movingSib);
command.execute();
performSelection(source);
}
}
}
}
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