plainoperator.java

一个数据挖掘软件ALPHAMINERR的整个过程的JAVA版源代码

/*
 *    This program is free software; you can redistribute it and/or modify
 *    it under the terms of the GNU General Public License as published by
 *    the Free Software Foundation; either version 2 of the License, or
 *    (at your option) any later version.
 *
 *    This program is distributed in the hope that it will be useful,
 *    but WITHOUT ANY WARRANTY; without even the implied warranty of
 *    MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
 *    GNU General Public License for more details.
 *
 *    You should have received a copy of the GNU General Public License
 *    along with this program; if not, write to the Free Software
 *    Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
 */

/*
 * Created on 2006/09/01
 *
 * @Author: Xiaojun Chen
 * $Revision$ 1.0
 *
 */

package eti.bi.alphaminer.tools.ExportCase;

import java.awt.Dimension;
import java.awt.Rectangle;
import java.io.IOException;
import javax.swing.ImageIcon;
import javax.swing.JLabel;
import javax.swing.JPanel;
import javax.swing.JTextPane;
import javax.swing.text.Style;
import javax.swing.text.StyleConstants;
import eti.bi.alphaminer.operation.operator.INodeInfo;
import eti.bi.alphaminer.operation.operator.Operator;
import eti.bi.alphaminer.vo.Node;
import eti.bi.exception.SysException;
import eti.bi.util.ResourceLoader;

public class PlainOperator extends JPanel{

	private static  int m_TextAreaWidth = Operator.m_TextAreaWidth;
	private static int m_TextAreaHeight = Operator.m_TextAreaHeight;
	private static int m_Icon_Offset_X = Operator.m_Icon_Offset_X;
	private static int IMAGE_WIDTH= Operator.IMAGE_WIDTH;
	private static int IMAGE_HEIGHT= Operator.IMAGE_HEIGHT;
	private static int ICON_HEIGHT= Operator.ICON_HEIGHT;
	private static int INTERVAL_IMAGE_MODE = Operator.INTERVAL_IMAGE_MODE;
	private static int ICON_TEXT_SPACE_OFFSET = Operator.ICON_TEXT_SPACE_OFFSET;
	private static int FONT_SIZE = Operator.FONT_SIZE;
	private static String FONT_FAMILY = Operator.FONT_FAMILY;
	
	/**
	 * 
	 */
	private static final long serialVersionUID = -5252221939982749739L;
	
	private Node node;
	private INodeInfo nodeInfo;
	
	private JLabel m_OperatorImage;
	private JTextPane m_OperatorLabel;
	
	public PlainOperator(Node aNode,INodeInfo a_NodeInfo) throws Exception{
		if(aNode==null||a_NodeInfo==null) {
			if(aNode==null) {
				throw new Exception("No node!");
			}
			throw new Exception("No node info for node: "+aNode.getNodeID()+"!");
		}
		node = aNode;
		nodeInfo = a_NodeInfo;
		createOperator();
		setContent();
	}

	private void createOperator() {
		
		m_OperatorImage = new JLabel();
		m_OperatorImage.setMaximumSize(new Dimension(30, 30));
		m_OperatorImage.setMinimumSize(new Dimension(30, 30));
		m_OperatorImage.setPreferredSize(new Dimension(30, 30));
		m_OperatorImage.setBounds(new Rectangle(20, 2, 30, 30));
		
		m_OperatorLabel = new JTextPane();
		m_OperatorLabel.setEditable(false);
		m_OperatorLabel.setOpaque(false);
		m_OperatorLabel.setFocusable(false);
		
		Style style = m_OperatorLabel.addStyle("ParagraphStyle", null);
	    StyleConstants.setFontSize(style,FONT_SIZE);
	    StyleConstants.setAlignment(style, StyleConstants.ALIGN_CENTER);
	    StyleConstants.setFontFamily(style,FONT_FAMILY);
	    m_OperatorLabel.setParagraphAttributes(style,true);
		
		m_OperatorLabel.setBounds(new Rectangle(0, ICON_HEIGHT-(INTERVAL_IMAGE_MODE+ICON_TEXT_SPACE_OFFSET), m_TextAreaWidth, m_TextAreaHeight));
		m_OperatorImage.setBounds(new Rectangle(m_Icon_Offset_X+2, 2, IMAGE_HEIGHT, IMAGE_WIDTH));
	    
	    setBounds((int)node.getPositionX(), (int)node.getPositionY(), m_TextAreaWidth, m_TextAreaHeight+ICON_HEIGHT);
		
	    setLayout(null);
	    setOpaque(false);
	    
		add(m_OperatorImage, null);
		add(m_OperatorLabel, null);
	}
	
	private void setContent() {
		ImageIcon imageIcon=null;
		try {
            imageIcon = ResourceLoader.getOperatorImageIcon(nodeInfo.getFlowImageFileName(),nodeInfo.getJafFile());
        } catch (SysException e) {
        	//TODO Auto-generated catch block
        	System.err.println("Load image: "+nodeInfo.getFlowImageFileName()+" fail!");
			e.printStackTrace();
        } catch (IOException e) {
			// TODO Auto-generated catch block
			e.printStackTrace();
		}
		m_OperatorImage.setIcon(imageIcon);
		m_OperatorLabel.setText(node.getNodeDescription());
	}
	
	public Rectangle getIconBounds()
	{
		//Operator Bounds relative to the Case Diagram
		Rectangle thisBound = this.getBounds();
		
		// Image Icon bouds relative to this operator
		Rectangle relativeIconBound = m_OperatorImage.getBounds();
		
		// Image Icon bounds relative to the Case Diagram
		Rectangle absoluteIconBound = new Rectangle(thisBound.x+relativeIconBound.x,
													thisBound.y+relativeIconBound.y,
													relativeIconBound.width,
													relativeIconBound.height);
		return absoluteIconBound;
	}
}