/**
* Copyright (C) 2006, Laboratorio di Valutazione delle Prestazioni - Politecnico di Milano
* 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., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA
*/
package jmt.gui.jwat.fitting.charts;
import java.awt.Color;
import java.awt.Graphics2D;
import java.awt.event.ActionEvent;
import java.awt.event.MouseEvent;
import java.awt.event.MouseListener;
import java.awt.image.BufferedImage;
import java.io.File;
import java.io.FileNotFoundException;
import java.io.FileOutputStream;
import java.io.IOException;
import javax.imageio.ImageIO;
import javax.swing.AbstractAction;
import javax.swing.JFileChooser;
import javax.swing.JMenuItem;
import javax.swing.JOptionPane;
import javax.swing.JPopupMenu;
import jmt.engine.jwat.fitting.utils.ModelFitting;
import jmt.engine.jwat.workloadAnalysis.utils.ChangeVariableListener;
import jmt.gui.jwat.workloadAnalysis.chart.EnlargePlotDistGraph.PlotImagesFileChooser;
import jmt.gui.jwat.workloadAnalysis.chart.EnlargePlotDistGraph.PlotImagesFileFilter;
import ptolemy.plot.Plot;
public class EnlargePDF extends Plot implements MouseListener {
/**
*
*/
private static final long serialVersionUID = 1L;
// Zoom factor for zoom-in / zoom-out
public static final double PLOT_ZOOM_FACTOR = 0.5;
private PlotPopup pop = new PlotPopup();
private ModelFitting model;
private double[] data;
public EnlargePDF(ModelFitting model) {
this.setConnected(false, 1);
this.setMarksStyle("various", 1);
this.setColors(new Color[] {Color.BLUE});
this.model = model;
this.data = model.getListObservations();
this.model.addOnChangeVariableValue(new ChangeVariableListener() {
public void onChangeVariableValues() {
drawGraph();
}
});
this.addMouseListener(this);
drawGraph();
}
private void drawGraph() {
double[] freq_y = new double[Math.round(data.length/10)];
this.clear(true);
this.setConnected(false, 1);
this.setMarksStyle("various", 1);
this.setColors(new Color[] {Color.BLUE});
setXRange(0, data[data.length-1]+1);
setYRange(0, 1);
//build the count of frequencies
int j=0;
double bucket_dim = data[data.length-1] / Math.round(data.length/10);
for(int i=0;i<freq_y.length;i++) {
while((data[j] < (i+1)*bucket_dim) && (data[j] >= i*bucket_dim)) {
freq_y[i]++;
j++;
}
if(i<(freq_y.length-1))
freq_y[i] /= data.length;
//System.out.println("Bucket from "+ i*bucket_dim + " to " + (i+1)*bucket_dim + " Percentage: " + freq_y[i]);
}
freq_y[freq_y.length-1]++;
freq_y[freq_y.length-1] /= data.length;
//******************************
//Draw graph
//Draw reference line
for (int i = 0; i < freq_y.length; i++) {
addPoint(1, ((i+1)*bucket_dim + i*bucket_dim)/2, freq_y[i], true);
}
fillPlot();
}
public void mouseClicked(MouseEvent e) {
if (e.getButton() == MouseEvent.BUTTON3) {
pop.show(EnlargePDF.this, e.getX(), e.getY());
}
}
public void mousePressed(MouseEvent e) {
}
public void mouseReleased(MouseEvent e) {
}
public void mouseEntered(MouseEvent e) {
}
public void mouseExited(MouseEvent e) {
}
public class PlotPopup extends JPopupMenu {
/**
*
*/
private static final long serialVersionUID = 1L;
public JMenuItem restore;
public JMenuItem zoomIn;
public JMenuItem zoomOut;
public JMenuItem saveAs;
public PlotPopup() {
restore = new JMenuItem("Original view");
zoomIn = new JMenuItem("Zoom in");
zoomOut = new JMenuItem("Zoom out");
saveAs = new JMenuItem("Save as...");
this.add(restore);
this.add(zoomIn);
this.add(zoomOut);
this.addSeparator();
this.add(saveAs);
addListeners();
}
private void addListeners() {
restore.addActionListener(new AbstractAction() {
/**
*
*/
private static final long serialVersionUID = 1L;
public void actionPerformed(ActionEvent e) {
fillPlot();
}
});
zoomIn.addActionListener(new AbstractAction() {
/**
*
*/
private static final long serialVersionUID = 1L;
public void actionPerformed(ActionEvent e) {
// Gets maximum and minimum values
double[] XBounds = getXAutoRange();
double[] YBounds = getYAutoRange();
double[] xRange = getXRange();
double[] yRange = getYRange();
double width = xRange[1] - xRange[0];
double height = yRange[1] - yRange[0];
double newWidth = (xRange[1] - xRange[0]) * PLOT_ZOOM_FACTOR;
double newHeight = (yRange[1] - yRange[0]) * PLOT_ZOOM_FACTOR;
double newXMin = xRange[0] + (width - newWidth) / 2;
//The next 7 lines check that the new range is valid
if (newXMin < XBounds[0]) {
newXMin = XBounds[0];
}
double newXMax = xRange[0] + (width - newWidth) / 2 + newWidth;
if (newXMax > XBounds[1]) {
newXMax = XBounds[1];
}
double newYMin = yRange[0] + (height - newHeight) / 2;
if (newYMin < YBounds[0]) {
newYMin = YBounds[0];
}
double newYMax = yRange[0] + (height - newHeight) / 2 + newHeight;
if (newYMax > YBounds[1]) {
newYMax = YBounds[1];
}
setXRange(newXMin, newXMax);
setYRange(newYMin, newYMax);
EnlargePDF.this.repaint();
}
});
zoomOut.addActionListener(new AbstractAction() {
/**
*
*/
private static final long serialVersionUID = 1L;
public void actionPerformed(ActionEvent e) {
// Gets maximum and minimum values
double[] XBounds = getXAutoRange();
double[] YBounds = getYAutoRange();
double[] xRange = getXRange();
double[] yRange = getYRange();
double width = xRange[1] - xRange[0];
double height = yRange[1] - yRange[0];
double newWidth = (xRange[1] - xRange[0]) / PLOT_ZOOM_FACTOR;
double newHeight = (yRange[1] - yRange[0]) / PLOT_ZOOM_FACTOR;
double newXMin = xRange[0] + (width - newWidth) / 2;
//The next 7 lines check that the new range is valid
if (newXMin < XBounds[0]) {
newXMin = XBounds[0];
}
double newXMax = xRange[0] + (width - newWidth) / 2 + newWidth;
if (newXMax > XBounds[1]) {
newXMax = XBounds[1];
}
double newYMin = yRange[0] + (height - newHeight) / 2;
if (newYMin < YBounds[0]) {
newYMin = YBounds[0];
}
double newYMax = yRange[0] + (height - newHeight) / 2 + newHeight;
if (newYMax > YBounds[1]) {
newYMax = YBounds[1];
}
setXRange(newXMin, newXMax);
setYRange(newYMin, newYMax);
EnlargePDF.this.repaint();
}
});
saveAs.addActionListener(new AbstractAction() {
/**
*
*/
private static final long serialVersionUID = 1L;
public void actionPerformed(ActionEvent e) {
PlotImagesFileFilter PNGfilter = new PlotImagesFileFilter(".png", "Portable Network Graphics images");
PlotImagesFileFilter EPSfilter = new PlotImagesFileFilter(".eps", "Encapsulated Post Script images");
PlotImagesFileChooser fileChooser = new PlotImagesFileChooser(PNGfilter);
fileChooser.setFileFilter(PNGfilter);
fileChooser.addChoosableFileFilter(EPSfilter);
int r = fileChooser.showSaveDialog(EnlargePDF.this);
if (r == JFileChooser.APPROVE_OPTION) {
File file = fileChooser.getSelectedFile();
if (fileChooser.getFileFilter().equals(EPSfilter)) {
EnlargePDF plot = EnlargePDF.this;
try {
FileOutputStream fileStream = new FileOutputStream(file);
plot.export(fileStream);
fileStream.close();
} catch (FileNotFoundException fnf) {
JOptionPane.showMessageDialog(fileChooser, "File not found", "JMT - Error", JOptionPane.ERROR_MESSAGE);
} catch (IOException ioe) {
JOptionPane.showMessageDialog(fileChooser, "I/O exception", "JMT - Error", JOptionPane.ERROR_MESSAGE);
}
} else {
EnlargePDF plot = EnlargePDF.this;
BufferedImage image = plot.exportImage();
try {
BufferedImage originalImage = convertType(image, BufferedImage.TYPE_INT_RGB);
ImageIO.write(originalImage, "png", file);
ImageIO.createImageOutputStream(file).close();
} catch (IOException fnf) {
JOptionPane.showMessageDialog(null, "File not found");
}
}
}
}
});
}
BufferedImage convertType(BufferedImage src, int targetType) {
if (src.getType() == targetType) {
return src;
}
BufferedImage tgt = new BufferedImage(src.getWidth(), src.getHeight(), targetType);
Graphics2D g = tgt.createGraphics();
g.drawRenderedImage(src, null);
g.dispose();
return tgt;
}
}
}