transitionmodelpart.java

一个java写的business process management系统

/*
 * Copyright (c) 2003, Alexander Greif
 * All rights reserved.
 * 
 * Redistribution and use in source and binary forms, with or without
 * modification, are permitted provided that the following conditions are met:
 * 
 *     * Redistributions of source code must retain the above copyright
 *       notice, this list of conditions and the following disclaimer.
 *     * Redistributions in binary form must reproduce the above copyright
 *       notice, this list of conditions and the following disclaimer in the
 *       documentation and/or other materials provided with the distribution.
 *     * Neither the name of the Flow4J-Eclipse project nor the names of its
 *       contributors may be used to endorse or promote products derived from
 *       this software without specific prior written permission.
 * 
 * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
 * AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
 * ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR CONTRIBUTORS BE
 * LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
 * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
 * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
 * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
 * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
 * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF
 * THE POSSIBILITY OF SUCH DAMAGE.
 */

package net.orthanc.flow4j.designer.model;

import java.util.ArrayList;
import java.util.List;
import java.util.Vector;

import org.eclipse.draw2d.Bendpoint;

/**
 * @author agreif
 *
 * TODO
 * 
 * To change the template for this generated type comment go to
 * Window>Preferences>Java>Code Generation>Code and Comments
 */
public class TransitionModelPart extends Flow4JModelPart {

	public static String PROP_SOURCE_FLOWLET = "source_flowlet"; //$NON-NLS-1$
	public static String PROP_TARGET_FLOWLET = "target_flowlet"; //$NON-NLS-1$
	
	public static String PROP_SOURCE_ANCHORINDEX = "source_anchorindex"; //$NON-NLS-1$
	public static String PROP_TARGET_ANCHORINDEX = "target_anchorindex"; //$NON-NLS-1$
	
	public static String PROP_BENDPOINT = "bendpoint"; //$NON-NLS-1$

	
	private FlowletModelPart source;
	private FlowletModelPart target;
	private int sourceAnchorIndex;
	private int targetAnchorIndex;
	private List bendpoints = new ArrayList();

	/**
	 * TODO
	 * 
	 */
	public TransitionModelPart() {
		super();
		// TODO Auto-generated constructor stub
	}



	/**
	 * TODO
	 * @return
	 */
	public FlowletModelPart getSource() {
		return source;
	}


	/**
	 * TODO
	 * @return
	 */
	public FlowletModelPart getTarget() {
		return target;
	}




	/**
	 * TODO
	 * @param source
	 */
	public void setSource(FlowletModelPart f) {
		Object old = source;
		source = f;
		firePropertyChange(PROP_SOURCE_FLOWLET, old, source);//$NON-NLS-1$
	}

	/**
	 * TODO
	 * @param target
	 */
	public void setTarget(FlowletModelPart f) {
		//Object old = target;
		target = f;
		//firePropertyChange(PROP_TARGET_FLOWLET, old, target);//$NON-NLS-1$
	}

	/**
	 * TODO
	 * 
	 */
	public void attachSource() {
		if (getSource() == null || getSource().getSourceTransitions().contains(this))
			return;
		getSource().connectSource(this);
	}

	/**
	 * TODO
	 * 
	 */
	public void attachTarget() {
		if (getTarget() == null || getTarget().getTargetTransitions().contains(this))
			return;
		getTarget().connectTarget(this);
	}




	/**
	 * TODO
	 * 
	 */
	public void detachSource() {
		if (getSource() == null)
			return;
		getSource().disconnectSource(this);
	}

	/**
	 * TODO
	 * 
	 */
	public void detachTarget() {
		if (getTarget() == null)
			return;
		getTarget().disconnectTarget(this);
	}






	/**
	 * TODO
	 * @return
	 */
	public int getSourceAnchorIndex() {
		return sourceAnchorIndex;
	}

	/**
	 * TODO
	 * @param sourceAnchorIndex
	 */
	public void setSourceAnchorIndex(int index) {
		int old = sourceAnchorIndex;
		sourceAnchorIndex = index;
		firePropertyChange(PROP_SOURCE_ANCHORINDEX, new Integer(old), new Integer(sourceAnchorIndex));//$NON-NLS-1$
	}

	/**
	 * TODO
	 * @return
	 */
	public int getTargetAnchorIndex() {
		return targetAnchorIndex;
	}

	/**
	 * TODO
	 * @param targetAnchorIndex
	 */
	public void setTargetAnchorIndex(int index) {
		//int old = targetAnchorIndex;
		targetAnchorIndex = index;
		//firePropertyChange(PROP_TARGET_ANCHORINDEX, new Integer(old), new Integer(targetAnchorIndex));//$NON-NLS-1$
	}



	/**
	 * TODO
	 * @return
	 */
	public List getBendpoints() {
		return bendpoints;
	}


	/**
	 * TODO
	 * @param index
	 * @param point
	 */
	public void insertBendpoint(int index, Bendpoint point) {
		getBendpoints().add(index, point);
		firePropertyChange(PROP_BENDPOINT, null, null);//$NON-NLS-1$
	}

	/**
	 * TODO
	 * @param index
	 */
	public void removeBendpoint(int index) {
		getBendpoints().remove(index);
		firePropertyChange(PROP_BENDPOINT, null, null);//$NON-NLS-1$
	}

	/**
	 * TODO
	 * @param index
	 * @param point
	 */
	public void setBendpoint(int index, Bendpoint point) {
		getBendpoints().set(index, point);
		firePropertyChange(PROP_BENDPOINT, null, null);//$NON-NLS-1$
	}

	/**
	 * TODO
	 * @param points
	 */
	public void setBendpoints(Vector points) {
		bendpoints = points;
		firePropertyChange(PROP_BENDPOINT, null, null);//$NON-NLS-1$
	}



}