locationpropertysource.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.propertysources;

import net.orthanc.flow4j.designer.core.Flow4JPlugin;

import org.eclipse.draw2d.geometry.Point;
import org.eclipse.ui.views.properties.IPropertyDescriptor;
import org.eclipse.ui.views.properties.IPropertySource;
import org.eclipse.ui.views.properties.TextPropertyDescriptor;

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

	public static String PROP_XPOS = "x_pos"; //$NON-NLS-1$
	public static String PROP_YPOS = "y_pos"; //$NON-NLS-1$
	
	private static IPropertyDescriptor[] descriptors;

	protected Point point;


	static {
		descriptors = new IPropertyDescriptor[] {
			new TextPropertyDescriptor(PROP_XPOS, Flow4JPlugin.getResourceString("PropertyDescriptor_Location_X.label")),
			new TextPropertyDescriptor(PROP_YPOS, Flow4JPlugin.getResourceString("PropertyDescriptor_Location_Y.label"))
		};
	}



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


	/**
	 * Constructor
	 * @param point the location
	 */
	public LocationPropertySource(Point point){
		this.point = new Point(point);
	}



	/**
	 * @see org.eclipse.ui.views.properties.IPropertySource#getEditableValue()
	 */
	public Object getEditableValue() {
		return this;
	}

	/**
	 * @see org.eclipse.ui.views.properties.IPropertySource#getPropertyDescriptors()
	 */
	public IPropertyDescriptor[] getPropertyDescriptors(){
		return descriptors;
	}

	/**
	 * @see org.eclipse.ui.views.properties.IPropertySource#getPropertyValue(java.lang.Object)
	 */
	public Object getPropertyValue(Object id) {
		if(PROP_XPOS.equals(id))
			return "" + point.x;
		
		if(PROP_YPOS.equals(id))
			return "" + point.y;
		
		return null;
	}

	/**
	 * @see org.eclipse.ui.views.properties.IPropertySource#isPropertySet(java.lang.Object)
	 */
	public boolean isPropertySet(Object id){
		return (PROP_XPOS.equals(id) || PROP_YPOS.equals(id));
	}

	/**
	 * @see org.eclipse.ui.views.properties.IPropertySource#resetPropertyValue(java.lang.Object)
	 */
	public void resetPropertyValue(Object id) {
	}

	/**
	 * @see org.eclipse.ui.views.properties.IPropertySource#setPropertyValue(java.lang.Object, java.lang.Object)
	 */
	public void setPropertyValue(Object id, Object value) {
		if (PROP_XPOS.equals(id))
			point.x = Integer.parseInt((String)value);
		else if (PROP_YPOS.equals(id))
			point.y = Integer.parseInt((String)value);
	}








	/**
	 * Returns the location as a Point Object
	 * @return the location as a Point Object
	 */
	public Point getValue() {
		return new Point(point);
	}




	/**
	 * @see java.lang.Object#toString()
	 */
	public String toString() {
		return new String("[" + point.x + "," + point.y + "]");//$NON-NLS-3$//$NON-NLS-2$//$NON-NLS-1$
	}








}