PointPanel.java

/*
 * To change this template, choose Tools | Templates
 * and open the template in the editor.
 */

/*
 * ObjectPanel.java
 *
 * Created on 04.02.2010, 11:27:19
 */

package tr.gov.ulakbim.jDenetX.gui.visualization;

import javax.swing.*;
import java.awt.*;

/**
 * @author jansen
 */
public class PointPanel extends JPanel {
    static final int POINTSIZE = 4;
    DataPoint point;

    protected int x_dim = 0;
    protected int y_dim = 1;
    protected Color col;
    protected Color default_color = Color.BLACK;

    protected int panel_size;
    protected int window_size;
    protected boolean highligted = false;

    protected double decayRate;
    protected double decayThreshold;


    /**
     * Creates new form ObjectPanel
     */
    public PointPanel(DataPoint point, double decayRate, double decayThreshold) {
        this.point = point;
        this.col = Color.BLACK;
        this.panel_size = POINTSIZE;
        this.decayRate = decayRate;
        this.decayThreshold = decayThreshold;
        this.col = default_color;

        setVisible(true);
        setOpaque(false);
        setSize(new Dimension(1, 1));
        setLocation(0, 0);
        initComponents();

    }


    public void updateLocation() {
        window_size = Math.min(this.getParent().getWidth(), this.getParent().getHeight());

        StreamPanel sp = (StreamPanel) getParent().getParent();
        x_dim = sp.getActiveXDim();
        y_dim = sp.getActiveYDim();

        setSize(new Dimension(panel_size + 1, panel_size + 1));
        setLocation((int) (point.value(x_dim) * window_size - (panel_size / 2)), (int) (point.value(y_dim) * window_size - (panel_size / 2)));
    }

    /**
     * This method is called from within the constructor to
     * initialize the form.
     * WARNING: Do NOT modify this code. The content of this method is
     * always regenerated by the Form Editor.
     */
    @SuppressWarnings("unchecked")
    // <editor-fold defaultstate="collapsed" desc="Generated Code">//GEN-BEGIN:initComponents
    private void initComponents() {

        javax.swing.GroupLayout layout = new javax.swing.GroupLayout(this);
        this.setLayout(layout);
        layout.setHorizontalGroup(
                layout.createParallelGroup(javax.swing.GroupLayout.Alignment.LEADING)
                        .addGap(0, 296, Short.MAX_VALUE)
        );
        layout.setVerticalGroup(
                layout.createParallelGroup(javax.swing.GroupLayout.Alignment.LEADING)
                        .addGap(0, 266, Short.MAX_VALUE)
        );
    }// </editor-fold>//GEN-END:initComponents

    @Override
    protected void paintComponent(Graphics g) {
        point.updateWeight(RunVisualizer.getCurrentTimestamp(), decayRate);
        if (point.weight() < decayThreshold) {
            getParent().remove(this);
            return;
        }

        Color color = getColor();
        Color errcolor = getErrorColor();
        if (errcolor == null) {
            errcolor = color;
            panel_size = POINTSIZE;
        } else {
            panel_size = POINTSIZE + 2;
        }

        updateLocation();
        g.setColor(errcolor);
        g.drawOval(0, 0, panel_size, panel_size);
        g.setColor(color);
        g.fillOval(0, 0, panel_size, panel_size);

        setToolTipText(point.getInfo(x_dim, y_dim));

    }


    private Color getErrorColor() {
        String cmdvalue = point.getMeasureValue("CMD");
        Color color = null;
        if (!cmdvalue.equals("")) {
            double err = Double.parseDouble(cmdvalue);
            if (err > 0.00001) {
                if (err > 0.7) err = 1;
                int alpha = (int) (100 + 155 * err);
                color = new Color(255, 0, 0, alpha);
            }
            if (err == 0.00001) {
                color = new Color(255, 0, 0, 100);
            }
        }
        return color;
    }

    private Color getColor() {
        Color color = null;

        if (getParent() instanceof StreamPanel) {
            StreamPanel sp = (StreamPanel) getParent();
            ClusterPanel cp = sp.getHighlightedClusterPanel();
            if (cp != null) {
                if (cp.getClusterLabel() == point.classValue()) {
                    color = Color.BLUE;
                }
            }
        }

        if (color == null) {
            int alpha = (int) (point.weight() * 200 + 55);
            float numCl = 10;
            Color c = getPointColorbyClass((int) point.classValue(), numCl);

            color = new Color(c.getRed(), c.getGreen(), c.getBlue(), alpha);
            //color = new Color(default_color.getRed(), default_color.getGreen(), default_color.getBlue(), alpha);
        }
        return color;
    }

    public static Color getPointColorbyClass(int classValue, float numClasses) {
        Color c;
        if (classValue != -1)
            c = new Color(Color.HSBtoRGB((float) ((classValue + 1) / numClasses), 1f, 240f / 240));
        else
            c = Color.GRAY;
        return c;
    }


    public void highlight(boolean enabled) {
        highligted = enabled;
        repaint();
    }


    public String getObjectInfo() {
        return point.getInfo(x_dim, y_dim);
    }

    @Override
    public String getToolTipText() {
        return super.getToolTipText();
    }


    // Variables declaration - do not modify//GEN-BEGIN:variables
    // End of variables declaration//GEN-END:variables


    public String getSVGString(int width) {
        StringBuffer out = new StringBuffer();

        int x = (int) (point.value(x_dim) * window_size);
        int y = (int) (point.value(y_dim) * window_size);
        int radius = panel_size / 2;
        //radius = 1;

        Color c = getColor();

        String color = "rgb(" + c.getRed() + "," + c.getGreen() + "," + c.getBlue() + ")";
        double trans = c.getAlpha() / 255.0;

        out.append("<circle ");
        out.append("cx='" + x + "' cy='" + y + "' r='" + radius + "'");
        out.append(" stroke='" + color + "' stroke-width='0' fill='" + color + "' fill-opacity='" + trans + "' stroke-opacity='" + trans + "'/>");
        out.append("\n");
        return out.toString();
    }

}