interview.java

来自「用JGraph编的软件」· Java 代码 · 共 90 行

package org.jgpd.jgraph;


import java.awt.BasicStroke;
import java.awt.Dimension;
import java.awt.Graphics;
import java.awt.Graphics2D;

import org.jgraph.JGraph;
import org.jgraph.graph.CellMapper;
import org.jgraph.graph.CellViewRenderer;
import org.jgraph.graph.GraphConstants;
import org.jgraph.graph.VertexRenderer;
import org.jgraph.graph.VertexView;

public class InterView  extends VertexView
{
        public static int defaultWidth = 50;
        public static int defaultHeight = 50;

        public static InterRenderer renderer = new InterRenderer();

        public InterView(Object cell, JGraph graph, CellMapper cm) {
                super(cell, graph, cm);
        }


        public CellViewRenderer getRenderer() {
                return renderer;
        }


        public static class InterRenderer extends VertexRenderer {

                public void paint(Graphics g) {
                        int b = borderWidth;
                        Graphics2D g2 = (Graphics2D) g;
                        Dimension d = getSize();
                        boolean tmp = selected;
                        // Get square from rectangle
                        if ( d.width > d.height )
                        {
                                // Wide and short
                                d.width = d.height;
                                d.height = d.height;
                        }
                        else
                        {
                                // Thin and tall
                                d.width = d.width;
                                d.height = d.width;
                        }

                        if (super.isOpaque()) {
                                g2.setColor(super.getBackground());
                              //  g.fillOval(b+9, b+9, d.width - b-20, d.height - b-20);
                                g2.fillOval(b-1 , b-1 , d.width +b+1, d.height +b+1);
                        }
                        try {
                                setBorder(null);
                                setOpaque(false);
                                selected = false;
                                super.paint(g);
                        } finally {
                                selected = tmp;
                        }
                        if (bordercolor != null) {
                                g.setColor(bordercolor);
                                g2.setStroke(new BasicStroke(b));
                                g2.drawOval(b-1 , b-1 , d.width + b-1, d.height +b-1);
                                g2.drawRect(b+d.width/4,b+d.width/4, d.width/2, d.width/2);
                                g2.drawLine(b+d.width/4,b+d.width/4,b+d.height/2,b+d.height/2);
                                g2.drawLine(b+d.width/2,b+d.height/2,b+d.width*3/4,b+d.height/4);
                              //  g.drawOval( b+9, b+9, d.width - b-20, d.height - b-20);
                        }
                        if (selected) {
                                g2.setStroke(GraphConstants.SELECTION_STROKE);
                                g2.setColor(graph.getHighlightColor());
                                g2.drawOval(b , b , d.width + b-1, d.height +b-1);
                                g2.drawRect(b+d.width/4,b+d.width/4, d.width/2, d.width/2);
                                g2.drawLine(b+d.width/4,b+d.width/4,b+d.height/2,b+d.height/2);
                                g2.drawLine(b+d.width/2,b+d.height/2,b+d.width*3/4,b+d.height/4);

                             //  g.drawOval(b+9, b+9, d.width - b-20, d.height - b-20);

                        }
                }
        }
}