scripttaskflowletmodelpart.java

一个java写的business process management系统

/*
 * Copyright (c) 2003-2004, 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.beans.PropertyChangeEvent;

import net.orthanc.flow4j.Flow4JConsts;

import org.eclipse.core.runtime.IPath;
import org.eclipse.core.runtime.Path;

/**
 * Model part for the script task flowlet
 * @author greifa
 */
public class ScriptTaskFlowletModelPart extends AbstractTaskFlowletModelPart {

	/**
	 * Cretes a new instance and also the script task wrapper.
	 */
	public ScriptTaskFlowletModelPart() {
		setTaskWrapper(new ScriptTaskWrapper());
	}


	/**
	 * @see net.orthanc.flow4j.designer.model.FlowletModelPart#getType()
	 */
	public String getType() {
		return Flow4JConsts.SCRIPTTASK;
	}

	/**
	 * Returns the casted task wrapper.
	 * @return the casted task wrapper.
	 */
	private ScriptTaskWrapper getScriptTaskWrapper() {
		return (ScriptTaskWrapper)getTaskWrapper();
	}

	/**
	 * Returns the name of the resource entry that contains the property name
	 * for the flowlet's label
	 * @return key in the resources file
	 * @see net.orthanc.flow4j.designer.model.FlowletWithLabelModelPart#getLabelPropertyNameResource()
	 */
	protected String getLabelPropertyNameResource() {
		return "PropertyDescriptor_ScriptTaskFlowlet.label";
	}



	/**
	 * Resets the taskProperties HashMap of this ModelPart to <code>null</code>
	 * because the class of the task has changed
	 * @see java.beans.PropertyChangeListener#propertyChange(java.beans.PropertyChangeEvent)
	 */
	public void propertyChange(PropertyChangeEvent event) {
		String propName = event.getPropertyName();
		if (FlowletLabelModelPart.PROP_LABEL.equals(propName)) {
			setTaskWrapper(new ScriptTaskWrapper());
		} else
			super.propertyChange(event);
	}


/*	public IFile getScriptFile() {
		IFile file = getScriptTaskWrapper().getFile();
		if (file == null)
			getScriptTaskWrapper().setFile(file = Flow4JPlugin.getWorkspaceRoot().getFile(new Path(getFlowletLabel().getText())));
		
		
		return file;
	}*/
	
	public IPath getScriptClassPath() {
		IPath path = getScriptTaskWrapper().getClassPath();
		if (path == null)
			getScriptTaskWrapper().setClassPath(path = new Path(getFlowletLabel().getText()));
		
		
		return path;
	}


}