jgpdmarqueehandler.java

用JGraph编的软件

/*
 *
 *
 * Copyright (C) 2003-2004 David Benson
 *
 * JGpd 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.
 *
 * JGpd 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 JGpd; if not, write to the Free Software
 * Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA  02111-1307, USA.
 *
 */

package org.jgpd.jgraph;

import org.jgpd.io.ModelExportInterface;
import org.jgraph.pad.GPMarqueeHandler;

import java.awt.Color;
import java.awt.Font;
import java.awt.Point;
import java.awt.Rectangle;
import java.util.Hashtable;
import java.util.LinkedList;
import java.util.List;
import java.util.Map;

import org.jgraph.GPGraphpad;
import org.jgraph.graph.GraphConstants;
import org.jgraph.graph.GraphModel;
import org.jgraph.pad.GraphModelProvider;
import org.jgraph.pad.resources.Translator;

public class JGpdMarqueeHandler
    extends GPMarqueeHandler {

  public JGpdMarqueeHandler(GPGraphpad graphpad) {
    super(graphpad);
  }

  public void addActivity(Rectangle bounds) {

    Map viewMap = new Hashtable();
    Map map;
    GraphModelProvider gmp = graphpad.getCurrentGraphModelProvider();
    GraphModel model = graphpad.getCurrentGraph().getModel();

    // If bounds is smaller than the default activity
    // ensure the default dimensions are used.
    int width = bounds.width;
    int height = bounds.height;

    if (bounds.getWidth() < ActivityView.default_width) {
      width = ActivityView.default_width;
    }
    if (bounds.getHeight() < ActivityView.default_height) {
      height = ActivityView.default_height;
    }

    bounds.setSize(width, height);

    map = GraphConstants.createMap();
    GraphConstants.setBounds(map, bounds);
    GraphConstants.setOpaque(map, true);
    GraphConstants.setBackground(map, Color.cyan);
    GraphConstants.setBorderColor(map, Color.black);
    String fontName = Translator.getString("FontName");
    try {
      int fontSize = Integer.parseInt(Translator.getString("FontSize"));
      int fontStyle = Integer.parseInt(Translator.getString("FontStyle"));
      GraphConstants.setFont(
          map,
          new Font(fontName, fontStyle, fontSize));
    }
    catch (Exception e) {
      // handle error
    }
    List toInsert = new LinkedList();

    // Obtain current export model
    ModelExportInterface exportModel = graphpad.getExportModel();
    Object userObject = null;
    if (exportModel != null) {
      // Create end object in model and associate
      // with this cell as a userObject
      userObject = exportModel.createActivity();
    }

    Object cell =
        gmp.createCell(
        model,
        GraphModelProvider.CELL_VERTEX_ACTIVITY,
        userObject,
        map);

    viewMap.put(cell, map);
    toInsert.add(cell);

    // Create Ports
    int u = GraphConstants.PERMILLE;
    Object port;

    // Work out where middle of arcs are in relative width and height
    int arcSize = ActivityView.getArcSize(bounds.width, bounds.height);

    // Remember to use floating maths.  0.293 is (1-(1/sqrt(2))) which
    // is the proportion a quarter circle arc is from the closer edges
    // of a bounding square at the mid-point of the arc.

    double hortizontalPortOffset = (double) (0.293 * arcSize) /
        (2 * bounds.width);
    double verticalPortOffset = (double) (0.293 * arcSize) / (2 * bounds.height);
    // Floating Center Port
    port =
        gmp.createCell(
        model,
        GraphModelProvider.CELL_PORT_DEFAULT,
        "Center",
        null);
    gmp.addPort(cell, port);
    //port = new DefaultPort("Center");
    //cell.add(port);
    toInsert.add(port);

    // Top Left
    //port = new DefaultPort("Topleft");
    //cell.add(port);
    map = GraphConstants.createMap();
    GraphConstants.setOffset(
        map,
        new Point( (int) (u * hortizontalPortOffset),
                  (int) (u * verticalPortOffset)));
    port =
        gmp.createCell(
        model,
        GraphModelProvider.CELL_PORT_DEFAULT,
        "Topleft",
        map);
    gmp.addPort(cell, port);
    viewMap.put(port, map);
    toInsert.add(port);

    // Top Center
    // port = new DefaultPort("Topcenter");
    //cell.add(port);
    map = GraphConstants.createMap();
    GraphConstants.setOffset(map, new Point( (int) (u / 2), 0));
    port =
        gmp.createCell(
        model,
        GraphModelProvider.CELL_PORT_DEFAULT,
        "Topcenter",
        map);
    gmp.addPort(cell, port);
    viewMap.put(port, map);
    toInsert.add(port);

    // Top Right
    // port = new DefaultPort("Topright");
    // cell.add(port);
    map = GraphConstants.createMap();
    GraphConstants.setOffset(
        map,
        new Point( (int) (u * (1 - hortizontalPortOffset)),
                  (int) (u * verticalPortOffset)));
    port =
        gmp.createCell(
        model,
        GraphModelProvider.CELL_PORT_DEFAULT,
        "Topright",
        map);
    gmp.addPort(cell, port);
    viewMap.put(port, map);
    toInsert.add(port);

    // Top Center
    //port = new DefaultPort("Middleleft");
    //cell.add(port);
    map = GraphConstants.createMap();
    GraphConstants.setOffset(map, new Point(0, (int) (u / 2)));
    port =
        gmp.createCell(
        model,
        GraphModelProvider.CELL_PORT_DEFAULT,
        "Middleleft",
        map);
    gmp.addPort(cell, port);
    viewMap.put(port, map);
    toInsert.add(port);

    // Middle Right
    //port = new DefaultPort("Middleright");
    //cell.add(port);
    map = GraphConstants.createMap();
    GraphConstants.setOffset(map, new Point(u, (int) (u / 2)));
    port =
        gmp.createCell(
        model,
        GraphModelProvider.CELL_PORT_DEFAULT,
        "Middleright",
        map);
    gmp.addPort(cell, port);
    viewMap.put(port, map);
    toInsert.add(port);

    // Bottom Left
    //port = new DefaultPort("Bottomleft");
    //cell.add(port);
    map = GraphConstants.createMap();
    GraphConstants.setOffset(
        map,
        new Point( (int) (u * hortizontalPortOffset),
                  (int) (u * (1 - verticalPortOffset))));
    port =
        gmp.createCell(
        model,
        GraphModelProvider.CELL_PORT_DEFAULT,
        "Bottomleft",
        map);
    gmp.addPort(cell, port);
    viewMap.put(port, map);
    toInsert.add(port);

    // Bottom Center
    //port = new DefaultPort("Bottomcenter");
    //cell.add(port);
    map = GraphConstants.createMap();
    GraphConstants.setOffset(map, new Point( (int) (u / 2), u));
    port =
        gmp.createCell(
        model,
        GraphModelProvider.CELL_PORT_DEFAULT,
        "Bottomcenter",
        map);
    gmp.addPort(cell, port);
    viewMap.put(port, map);
    toInsert.add(port);

    // Bottom Right
    //port = new DefaultPort("Bottomright");
    //cell.add(port);
    map = GraphConstants.createMap();
    GraphConstants.setOffset(
        map,
        new Point( (int) (u * (1 - hortizontalPortOffset)),
                  (int) (u * (1 - verticalPortOffset))));
    port =
        gmp.createCell(
        model,
        GraphModelProvider.CELL_PORT_DEFAULT,
        "Bottomright",
        map);
    gmp.addPort(cell, port);
    viewMap.put(port, map);
    toInsert.add(port);

    graphpad.getCurrentGraph().getModel().insert(
        toInsert.toArray(),
        viewMap,
        null,
        null,
        null);
  }

  public void addDecision(Rectangle bounds) {

    Map viewMap = new Hashtable();
    Map map;
    GraphModelProvider gmp = graphpad.getCurrentGraphModelProvider();
    GraphModel model = graphpad.getCurrentGraph().getModel();

    // If bounds is smaller than the default activity
    // ensure the default dimensions are used.
    int width = bounds.width;
    int height = bounds.height;

    if (bounds.getWidth() < DecisionView.default_width) {
      width = DecisionView.default_width;
    }
    if (bounds.getHeight() < DecisionView.default_height) {
      height = DecisionView.default_height;
    }

    bounds.setSize(width, height);

    map = GraphConstants.createMap();
    GraphConstants.setBounds(map, bounds);
    GraphConstants.setOpaque(map, true);
    GraphConstants.setBackground(map, Color.BLUE);
    GraphConstants.setBorderColor(map, Color.black);
    String fontName = Translator.getString("FontName");
    try {
      int fontSize = Integer.parseInt(Translator.getString("FontSize"));
      int fontStyle = Integer.parseInt(Translator.getString("FontStyle"));
      GraphConstants.setFont(
          map,
          new Font(fontName, fontStyle, fontSize));
    }
    catch (Exception e) {
      // handle error
    }
    List toInsert = new LinkedList();

    // Obtain current export model
    ModelExportInterface exportModel = graphpad.getExportModel();
    Object userObject = null;
    if (exportModel != null) {
      // Create end object in model and associate
      // with this cell as a userObject
      userObject = exportModel.createDecision();
    }

    Object cell =
        gmp.createCell(
        model,
        GraphModelProvider.CELL_VERTEX_DECISION,
        userObject,
        map);

    viewMap.put(cell, map);
    toInsert.add(cell);

    // Create Ports
    int u = GraphConstants.PERMILLE;
    Object port;

    // Floating Center Port
    port =
        gmp.createCell(
        model,
        GraphModelProvider.CELL_PORT_DEFAULT,
        "Center",
        null);
    gmp.addPort(cell, port);
    //port = new DefaultPort("Center");
    //cell.add(port);
    toInsert.add(port);

    // Top Left
    //port = new DefaultPort("Topleft");
    //cell.add(port);
    map = GraphConstants.createMap();
    GraphConstants.setOffset(
        map,
        new Point( (int) (u / 4), (int) (u / 4)));
    port =
        gmp.createCell(
        model,
        GraphModelProvider.CELL_PORT_DEFAULT,
        "Topleft",
        map);
    gmp.addPort(cell, port);
    viewMap.put(port, map);
    toInsert.add(port);

    // Top Center
    // port = new DefaultPort("Topcenter");
    //cell.add(port);
    map = GraphConstants.createMap();
    GraphConstants.setOffset(map, new Point( (int) (u / 2), 0));
    port =
        gmp.createCell(
        model,
        GraphModelProvider.CELL_PORT_DEFAULT,
        "Topcenter",
        map);
    gmp.addPort(cell, port);
    viewMap.put(port, map);
    toInsert.add(port);

    // Top Right
    // port = new DefaultPort("Topright");
    // cell.add(port);
    map = GraphConstants.createMap();
    GraphConstants.setOffset(
        map,
        new Point( (int) (u * 3 / 4), (int) (u / 4)));
    port =
        gmp.createCell(
        model,
        GraphModelProvider.CELL_PORT_DEFAULT,
        "Topright",
        map);
    gmp.addPort(cell, port);
    viewMap.put(port, map);
    toInsert.add(port);

    // Top Center
    //port = new DefaultPort("Middleleft");
    //cell.add(port);
    map = GraphConstants.createMap();
    GraphConstants.setOffset(map, new Point(0, (int) (u / 2)));
    port =
        gmp.createCell(
        model,
        GraphModelProvider.CELL_PORT_DEFAULT,
        "Middleleft",
        map);
    gmp.addPort(cell, port);
    viewMap.put(port, map);
    toInsert.add(port);

    // Middle Right
    //port = new DefaultPort("Middleright");
    //cell.add(port);
    map = GraphConstants.createMap();
    GraphConstants.setOffset(map, new Point(u, (int) (u / 2)));
    port =
        gmp.createCell(
        model,
        GraphModelProvider.CELL_PORT_DEFAULT,
        "Middleright",
        map);
    gmp.addPort(cell, port);
    viewMap.put(port, map);
    toInsert.add(port);

    // Bottom Left
    //port = new DefaultPort("Bottomleft");
    //cell.add(port);
    map = GraphConstants.createMap();
    GraphConstants.setOffset(
        map,
        new Point( (int) (u / 4), (int) (u * 3 / 4)));
    port =
        gmp.createCell(
        model,
        GraphModelProvider.CELL_PORT_DEFAULT,
        "Bottomleft",
        map);
    gmp.addPort(cell, port);
    viewMap.put(port, map);
    toInsert.add(port);

    // Bottom Center
    //port = new DefaultPort("Bottomcenter");
    //cell.add(port);
    map = GraphConstants.createMap();
    GraphConstants.setOffset(map, new Point( (int) (u / 2), u));
    port =
        gmp.createCell(
        model,
        GraphModelProvider.CELL_PORT_DEFAULT,
        "Bottomcenter",
        map);
    gmp.addPort(cell, port);
    viewMap.put(port, map);
    toInsert.add(port);

    // Bottom Right
    //port = new DefaultPort("Bottomright");
    //cell.add(port);
    map = GraphConstants.createMap();
    GraphConstants.setOffset(
        map,
        new Point( (int) (u * 3 / 4), (int) (u * 3 / 4)));
    port =
        gmp.createCell(
        model,
        GraphModelProvider.CELL_PORT_DEFAULT,
        "Bottomright",
        map);
    gmp.addPort(cell, port);
    viewMap.put(port, map);
    toInsert.add(port);

    graphpad.getCurrentGraph().getModel().insert(
        toInsert.toArray(),
        viewMap,
        null,
        null,