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jPOS is an ISO-8583 based financial transaction
library/framework that can be customized and
extended in order to implement financial interchanges.
/*
* jPOS Project [http://jpos.org]
* Copyright (C) 2000-2014 Alejandro P. Revilla
*
* This program is free software: you can redistribute it and/or modify
* it under the terms of the GNU Affero General Public License as
* published by the Free Software Foundation, either version 3 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 Affero General Public License for more details.
*
* You should have received a copy of the GNU Affero General Public License
* along with this program. If not, see
* @see org.jpos.iso.ISOMsg
*/
@SuppressWarnings("deprecation")
public class ISOMeter extends JComponent implements Runnable {
private static final long serialVersionUID = -1770533267122111538L;
/**
* @serial
*/
Color color = new Color (255, 255, 255);
/**
* @serial
*/
Image im;
/**
* @serial
*/
Graphics img;
/**
* @serial
*/
Font fontBig, fontSmall;
/**
* @serial
*/
String positiveText;
/**
* @serial
*/
String negativeText;
/**
* @serial
*/
Timer ti;
/**
* handle ISOMeter's counters outside of this class in order
* to reduce 'int' to 'String' conversions.
* @serial
*/
String positiveCounter;
/**
* @serial
*/
String negativeCounter;
/**
* @serial
*/
int lastPositive;
/**
* @serial
*/
int lastNegative;
/**
* @serial
*/
boolean connected;
/**
* @serial
*/
ISOChannelPanel parent;
final static int width = 200;
final static int height = 60;
final static int mass = height/2;
final static int MAX_VALUE = 1000;
/**
* @serial
*/
int[] yPoints;
/**
* @serial
*/
int[] xPoints;
/**
* counter to keep the scrolling active
*/
int continueScroll;
/**
* used to determine if to scroll mark to end of graph
*/
boolean scroll = true;
/**
* Refresh panel in millseconds
*/
int refreshPanel = 50;
private Image imb;
private Thread repaintThread;
public ISOMeter(ISOChannelPanel parent) {
super();
this.parent = parent;
fontBig = new Font ("Helvetica", Font.ITALIC, mass*3/4);
fontSmall = new Font ("Helvetica", Font.PLAIN, 10);
yPoints = new int[width];
xPoints = new int[width];
for (int i=0; i 0)
this.refreshPanel = refreshPanel;
}
public void setConnected(boolean connected) {
if (this.connected != connected) {
if (!scroll)
if (connected)
continueScroll = width;
else
continueScroll = 1;
repaint();
}
this.connected = connected;
}
public void setPositiveCounter(String s) {
positiveCounter = s;
}
public void setNegativeCounter(String s){
negativeCounter = s;
}
public void setValue(int val, String textString) {
setValue(val);
if (val < 0) {
negativeText = textString;
lastNegative = 0;
}
else {
positiveText = textString;
lastPositive = 0;
}
}
public void paint (Graphics g) {
if (repaintThread == null)
start();
plot();
g.drawImage (im, 0, 0, null);
}
public Dimension getPreferredSize() {
return new Dimension(width, height);
}
private void scroll() {
System.arraycopy(yPoints, 1, yPoints, 0, width - 1);
if (continueScroll > 0)
continueScroll--;
}
public void plot() {
if (im == null) {
im = createImage(width, height);
img = im.getGraphics ();
img.setColor (Color.black);
img.fillRoundRect (0, 0, width, height, 10, 10);
img.clipRect (0, 0, width, height);
plotGrid();
/* save a copy of the image */
imb = createImage(width, height);
Graphics imbCopy = imb.getGraphics();
imbCopy.drawImage (im, 0, 0, this);
}
img.drawImage (imb, 0, 0, this);
if (continueScroll > 0)
scroll();
plotText(positiveText, lastPositive++, 3, mass-3);
plotText(negativeText, lastNegative++, 3, height-3);
plotCounters(positiveCounter, negativeCounter);
img.setColor (connected ? Color.green : Color.red);
img.drawPolyline(xPoints, yPoints, width);
}
private void plotGrid() {
img.setColor(Color.blue);
for (int i=0; i 0)
repaint();
try {
Thread.sleep(refreshPanel);
} catch (InterruptedException e) {
// OK to ignore
}
}
repaintThread = null;
}
public void update (Graphics g) {
paint (g);
}
}