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Copy pathPlotPanleKeyListener.java
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82 lines (74 loc) · 1.92 KB
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package com.sin.java.plot;
import java.awt.event.KeyEvent;
import java.awt.event.KeyListener;
public class PlotPanleKeyListener implements KeyListener {
private PlotPanle panle = null;
private boolean leftDown = false;
private boolean rightDown = false;
private boolean upDown = false;
private boolean downDown = false;
private boolean ctrlDown = false;
public PlotPanleKeyListener(PlotPanle panle) {
super();
this.panle = panle;
}
@Override
public void keyTyped(KeyEvent e) {
}
@Override
public void keyPressed(KeyEvent e) {
boolean status = true;
if (e.getKeyCode() == KeyEvent.VK_LEFT)
leftDown = status;
if (e.getKeyCode() == KeyEvent.VK_RIGHT)
rightDown = status;
if (e.getKeyCode() == KeyEvent.VK_UP)
upDown = status;
if (e.getKeyCode() == KeyEvent.VK_DOWN)
downDown = status;
if (e.getKeyCode() == KeyEvent.VK_CONTROL)
ctrlDown = status;
if(e.getKeyCode() == KeyEvent.VK_ALT){
panle.setShowCurosr(true);
}
double sc = 0.1;
double st = ctrlDown ? 0.01f : 0.05f;
if (leftDown && rightDown) {
if (ctrlDown)
panle.zoom(1.0f - sc, 1.0f);
else
panle.zoom(1.0f + sc, 1.0f);
} else if (leftDown) {
panle.moveAxis(-st, 0);
} else if (rightDown) {
panle.moveAxis(st, 0);
}
if (upDown && downDown) {
if (ctrlDown)
panle.zoom(1.0f, 1.0f - sc);
else
panle.zoom(1.0f, 1.0f + sc);
} else if (upDown) {
panle.moveAxis(0, st);
} else if (downDown) {
panle.moveAxis(0, -st);
}
}
@Override
public void keyReleased(KeyEvent e) {
boolean status = false;
if (e.getKeyCode() == KeyEvent.VK_LEFT)
leftDown = status;
if (e.getKeyCode() == KeyEvent.VK_RIGHT)
rightDown = status;
if (e.getKeyCode() == KeyEvent.VK_UP)
upDown = status;
if (e.getKeyCode() == KeyEvent.VK_DOWN)
downDown = status;
if (e.getKeyCode() == KeyEvent.VK_CONTROL)
ctrlDown = status;
if(e.getKeyCode() == KeyEvent.VK_ALT){
panle.setShowCurosr(false);
}
}
}