edu.uci.ics.jung.visualization.control.ModalLensGraphMouse Maven / Gradle / Ivy
/*
* Copyright (c) 2005, the JUNG Project and the Regents of the University of
* California All rights reserved.
*
* This software is open-source under the BSD license; see either "license.txt"
* or http://jung.sourceforge.net/license.txt for a description.
*
* Created on Aug 26, 2005
*/
package edu.uci.ics.jung.visualization.control;
import java.awt.Component;
import java.awt.Cursor;
import java.awt.event.InputEvent;
import java.awt.event.KeyAdapter;
import java.awt.event.KeyEvent;
/**
* an implementation of the AbstractModalGraphMouse that includes plugins for
* manipulating a view that is using a LensTransformer.
*
* @author Tom Nelson
*
*/
public class ModalLensGraphMouse extends AbstractModalGraphMouse implements
ModalGraphMouse {
/**
* not included in the base class
*/
protected LensMagnificationGraphMousePlugin magnificationPlugin;
public ModalLensGraphMouse() {
this(1.1f, 1/1.1f);
}
public ModalLensGraphMouse(float in, float out) {
this(in, out, new LensMagnificationGraphMousePlugin());
}
public ModalLensGraphMouse(LensMagnificationGraphMousePlugin magnificationPlugin) {
this(1.1f, 1/1.1f, magnificationPlugin);
}
public ModalLensGraphMouse(float in, float out, LensMagnificationGraphMousePlugin magnificationPlugin) {
super(in,out);
this.in = in;
this.out = out;
this.magnificationPlugin = magnificationPlugin;
loadPlugins();
setModeKeyListener(new ModeKeyAdapter(this));
}
protected void loadPlugins() {
pickingPlugin = new PickingGraphMousePlugin();
animatedPickingPlugin = new AnimatedPickingGraphMousePlugin();
translatingPlugin = new LensTranslatingGraphMousePlugin(InputEvent.BUTTON1_MASK);
scalingPlugin = new ScalingGraphMousePlugin(new CrossoverScalingControl(), 0, in, out);
rotatingPlugin = new RotatingGraphMousePlugin();
shearingPlugin = new ShearingGraphMousePlugin();
add(magnificationPlugin);
add(scalingPlugin);
setMode(Mode.TRANSFORMING);
}
public static class ModeKeyAdapter extends KeyAdapter {
private char t = 't';
private char p = 'p';
protected ModalGraphMouse graphMouse;
public ModeKeyAdapter(ModalGraphMouse graphMouse) {
this.graphMouse = graphMouse;
}
public ModeKeyAdapter(char t, char p, ModalGraphMouse graphMouse) {
this.t = t;
this.p = p;
this.graphMouse = graphMouse;
}
public void keyTyped(KeyEvent event) {
char keyChar = event.getKeyChar();
if(keyChar == t) {
((Component)event.getSource()).setCursor(Cursor.getPredefinedCursor(Cursor.DEFAULT_CURSOR));
graphMouse.setMode(Mode.TRANSFORMING);
} else if(keyChar == p) {
((Component)event.getSource()).setCursor(Cursor.getPredefinedCursor(Cursor.HAND_CURSOR));
graphMouse.setMode(Mode.PICKING);
}
}
}
}