excelmappingdiagram.java

OBPM是一个开源

package cn.myapps.core.dynaform.dts.excelimport;

import java.awt.BorderLayout;
import java.awt.Canvas;
import java.awt.Color;
import java.awt.Cursor;
import java.awt.Frame;
import java.awt.Graphics;
import java.awt.Image;
import java.awt.Label;
import java.awt.Point;
import java.awt.Toolkit;
import java.awt.event.ComponentEvent;
import java.awt.event.MouseEvent;
import java.awt.image.BufferedImage;
import java.io.File;
import java.io.FileOutputStream;
import java.io.OutputStream;
import java.lang.reflect.Field;
import java.net.URL;
import java.util.ArrayList;
import java.util.Collection;
import java.util.Enumeration;
import java.util.HashMap;
import java.util.Iterator;
import java.util.Vector;

import netscape.javascript.JSObject;

import com.sun.image.codec.jpeg.JPEGCodec;
import com.sun.image.codec.jpeg.JPEGImageEncoder;

import cn.myapps.core.dynaform.dts.excelimport.utility.CommonUtil;

public class ExcelMappingDiagram extends Canvas {

	private static HashMap IMG_RESOURCE = new HashMap(10);

	private int _statues; // 鼠标状态

	static final int ACTION_NORMAL = 0x00000000;

	static final int ACTION_REMOVE = 0x00000001;

	static final int ACTION_ADD_ACTOR = 0x00000010;

	static final int ACTION_ADD_NODE = 0x00000100;

	static final int ACTION_ADD_RELATION = 0x00001000;

	static final int ACTION_ADD_GROUP = 0x00010000;

	static final int ACTION_EDIT_ACTOR = 0x10000010;

	static final int ACTION_EDIT_NODE = 0x10000100;

	static final int ACTION_EDIT_RELATION = 0x10001000;

	static final int ACTION_EDIT_GROUP = 0x10010000;

	static final int ACTION_BREAK_LINE = 0x00100000;

	static final int PROCESSOR_TYPE_ACTOR = 1;

	static final int PROCESSOR_TYPE_PERSON = 2;

	static final int PROCESSOR_TYPE_GROUP = 3;

	static final int PROCESSOR_TYPE_TIMER = 4;

	private Vector _elems = new Vector();

	private XMLOperate _xmlopt;

	private Element _selected;

	private Element _currToEdit;

	Image _tmpimg;

	private ExcelMappingPanel _fpanel;

	public int flowstatus = FlowType.FLOWSTATUS_OPEN_NOSTART;

	public String flowpath = "";;

	public String deleteMSG;

	private boolean _changed = false;

	private String _startnodeid; // 用于在开始流程时设置currnodeid

	JSObject win = null;

	/**
	 * @roseuid 3E0428D90248
	 */
	public ExcelMappingDiagram() {
		// _tmpimg = this.createImage(this.size().width, this.size().height);
		if (this.getSize().width <= 0 || this.getSize().height <= 0) {
			this.setSize(1000, 600);
		}
		_tmpimg = new BufferedImage(this.getSize().width,
				this.getSize().height, BufferedImage.TYPE_INT_RGB);

		_statues = ACTION_NORMAL;

		try {
			jbInit();
		} catch (Exception e) {
			e.printStackTrace();
		}
	}

	public Image getImageResource(String filename) {
		Object obj = IMG_RESOURCE.get(filename);
		Image img = null;
		if (obj == null) {
			URL uri = null;
			uri = this.getClass().getResource(filename);
			try {
				obj = Toolkit.getDefaultToolkit().createImage(uri);
				IMG_RESOURCE.put(filename, obj);
			} catch (Exception e) {
				obj = getImageResource("unknow.gif");
			}
		}
		img = (Image) obj;
		return img;
	}

	public void setJSObject(JSObject win) {
		this.win = win;
	}

	public int get_statues() {
		return this._statues;
	}

	// 编辑时用到的接口
	public Element getCurrToEdit() {
		return _currToEdit;
	}

	public boolean getChanged() {
		return this._changed;
	}

	public void editNode(Node grp) {
		this._selected = grp;
	}

	/**
	 * @param id
	 * @param name
	 * @param description
	 * @roseuid 3E0406A90239
	 */
	public void editRelation(Relation rlt) {
		this._selected = rlt;
	}

	public boolean isCurrentSelected(Element em) {
		if (em != null && _selected != null && em.equals(_selected)) {
			return true;
		} else {
			return false;
		}
	}

	public boolean isCurrentToEdit(Element em) {
		if (em != null && _currToEdit != null && em.equals(_currToEdit)) {
			return true;
		} else {
			return false;
		}
	}

	public boolean isContain(Vector all, Node beforeNode) {
		if (all != null) {
			Enumeration enm = all.elements();
			while (enm.hasMoreElements()) {
				Object item = (Object) enm.nextElement();
				if (item instanceof Node) {
					Node n = (Node) item;
					if (n.id == beforeNode.id) {
						return true;
					}
				}
			}
		}
		return false;
	}

	public void addRelation() {
		Relation rlt = new Relation(this);
		this.appendElement(rlt);
		editRelation(rlt);
	}

	/**
	 * @param id
	 * @roseuid 3E0406B003D4
	 */
	public void delRelation(String id) {
		delElement(id);
	}

	/**
	 * 改变鼠标状态
	 * 
	 * @param statues
	 * @roseuid 3E0A6E1A0258
	 */
	public void changeStatues(int statues) {

		this._statues = statues;
		switch (_statues) {
		case ACTION_NORMAL:
			this.setCursor(new Cursor(Cursor.DEFAULT_CURSOR));
			break;
		case ACTION_REMOVE:
			this.setCursor(new Cursor(Cursor.N_RESIZE_CURSOR));
			break;
		case ACTION_ADD_ACTOR:
			this.setCursor(new Cursor(Cursor.E_RESIZE_CURSOR));
			break;
		case ACTION_ADD_NODE:
			this.setCursor(new Cursor(Cursor.MOVE_CURSOR));
			break;

		case ACTION_BREAK_LINE: // add by gusd
			this.setCursor(new Cursor(Cursor.SW_RESIZE_CURSOR));
			break; // end

		default:
			this.setCursor(new Cursor(Cursor.DEFAULT_CURSOR));
		}
	}

	/**
	 * @param id
	 * @roseuid 3E0A6E1A03DF
	 */
	private void delElement(String id) {

		for (Enumeration e = _elems.elements(); e.hasMoreElements();) {
			Element em = (Element) e.nextElement();
			if (em.id != null && em.id.equals(id)) {
				_elems.removeElement(em);
			}

		}
	}

	/**
	 * @param g
	 * @roseuid 3E0A6E1B0047
	 */
	public void update(Graphics g) {
		update(g, true);
	}

	public void update(Graphics g, boolean fillWiteColor) {

		Graphics tg = _tmpimg.getGraphics();

		if (fillWiteColor) {
			tg.setColor(Color.WHITE);
			tg.fillRect(0, 0, this.size().width, this.size().height);
		} else {
			tg.clearRect(0, 0, this.size().width, this.size().height);
		}

		for (Enumeration e = _elems.elements(); e.hasMoreElements();) {
			Element em = (Element) e.nextElement();
			em.paint(tg);
		}
		g.drawImage(_tmpimg, 0, 0, this);
	}

	/**
	 * @param g
	 * @roseuid 3E0A6E1B0065
	 */
	public void paint(Graphics g) {
		update(g);
	}

	public String toXML() {
		String rslt = "";
		try {

			Class cls = this.getClass();

			rslt = "<" + cls.getName() + ">\n";

			Field[] flds = cls.getFields();

			for (int i = 0; i < flds.length; i++) {
				Field field = flds[i];
				String fieldval = "";

				Class type = field.getType();

				if (field != null) {
					if (type.equals(Long.TYPE)) { // Long
						fieldval = field.getLong(this) + "";
						rslt += "<" + flds[i].getName() + ">" + fieldval + "</"
								+ flds[i].getName() + ">\n";
						continue;
					} else if (type.equals(Integer.TYPE)) { // Int
						fieldval = field.getInt(this) + "";
						rslt += "<" + flds[i].getName() + ">" + fieldval + "</"
								+ flds[i].getName() + ">\n";
						continue;
					} else if (type.equals(Short.TYPE)) { // Short
						fieldval = field.getShort(this) + "";
						rslt += "<" + flds[i].getName() + ">" + fieldval + "</"
								+ flds[i].getName() + ">\n";
						continue;
					} else if (type.equals(Double.TYPE)) { // Double
						fieldval = field.getDouble(this) + "";
						rslt += "<" + flds[i].getName() + ">" + fieldval + "</"
								+ flds[i].getName() + ">\n";
						continue;
					} else if (type.equals(Class.forName("java.lang.String"))) { // String
						fieldval = (String) field.get(this);
						rslt += "<" + flds[i].getName() + ">" + fieldval + "</"
								+ flds[i].getName() + ">\n";
						continue;
					}

					else if (type.equals(Float.TYPE)) { // Float
						fieldval = field.getFloat(this) + "";
						rslt += "<" + flds[i].getName() + ">" + fieldval + "</"
								+ flds[i].getName() + ">\n";
						continue;
					}

					else if (type.equals(Boolean.TYPE)) { // Boolean
						fieldval = field.getBoolean(this) + "";
						rslt += "<" + flds[i].getName() + ">" + fieldval + "</"
								+ flds[i].getName() + ">\n";
						continue;
					}

					else if (type.equals(Class.forName("java.sql.Date"))) { // Date
						fieldval = field.get(this) + "";
						rslt += "<" + flds[i].getName() + ">" + fieldval + "</"
								+ flds[i].getName() + ">\n";
						continue;
					}

					else if (type.equals(Class.forName("java.util.Date"))) { // java.util.Date
						fieldval = field.get(this) + "";
						rslt += "<" + flds[i].getName() + ">" + fieldval + "</"
								+ flds[i].getName() + ">\n";
						continue;
					}
				}
			}
			// rslt += ">\n";

			// 递归调用SUBELEMENT的TOXML方法

			for (java.util.Enumeration em = this._elems.elements(); em
					.hasMoreElements();) {
				Element subelm = (Element) em.nextElement();
				rslt += subelm.toXML();
			}

			rslt += "</" + cls.getName() + ">\n";
		} catch (Exception e) {

		}

		return rslt;

	}

	/**
	 * @param e
	 * @roseuid 3E0A6E1B0097
	 */
	void removeElement(Element emn) {
		if (emn != null) {
			if (emn instanceof Node) {
				Vector v = getAllElements();
				for (Enumeration e = v.elements(); e.hasMoreElements();) {
					Element elem = (Element) e.nextElement();
					if (elem instanceof Relation) {
						Relation r = (Relation) elem;
						if ((r.startnodeid != null && r.startnodeid
								.equals(emn.id))
								|| (r.endnodeid != null && r.endnodeid
										.equals(emn.id))) {
							Node n = r.getStartnode();
							_elems.removeElement(r);
						}
					}
				}
				_elems.removeElement(emn);
			} else {
				Relation r = (Relation) emn;
				_elems.removeElement(r);
			}
		}
	}

	/**
	 * @param id
	 * @roseuid 3E0A6E1B00AB
	 */
	void removeElement(String id) {
		for (Enumeration e = _elems.elements(); e.hasMoreElements();) {
			Element em = (Element) e.nextElement();

			if (em.id != null && em.id.equals(id)) {
				_elems.removeElement(em);
			}

		}
	}

	/**
	 * @param x
	 * @param y
	 * @return excelimport.Element
	 * @roseuid 3E0A6E1B00C9
	 */
	public Element chkSelectedElement(int x, int y) {
		Vector v = getAllElements();
		for (Enumeration e = v.elements(); e.hasMoreElements();) {
			Element em = (Element) e.nextElement();
			if (em.isSelected(x, y)) {
				return em;
			}
		}
		return null;
	}

	public int getFlowstatus() {
		return this.flowstatus;
	}

	/**
	 * 设置流程运转路径
	 * 
	 * @param
	 */
	public void setFlowpath(String path) {
		if (this.flowpath == null || this.flowpath.trim().length() <= 0) {
			this.flowpath = path;
		} else {
			this.flowpath = this.flowpath + ";" + path;
		}
	}

	/**
	 * @return java.util.Vector
	 * @roseuid 3E0A6E1B00E7
	 */
	public Vector getAllElements() {
		Vector vct = new Vector();
		for (Enumeration e = _elems.elements(); e.hasMoreElements();) {
			Element em = (Element) e.nextElement();
			vct.addElement(em);