public class UtilityWidget extends ComponentWidget {
private Utility utility = null;
private Polygon shape = null;
private int x = (LIMBSSystem.config().agentSize / 2) + 10;
private int y = (LIMBSSystem.config().agentSize / 2) + 10;
private int width = LIMBSSystem.config().agentSize;
public UtilityWidget(Utility utility) {
this.utility = utility;
this.setCentre(x, y);
this.utility.getSimulation().addUtilityWidget(this);
}
public void delete() {
this.utility.delete();
this.utility.getSimulation().removeUtilityWidget(this);
}
public void setCentre(final double nx, final double ny) {
this.x = (int) nx;
this.y = (int) ny;
this.shape = new Polygon();
this.shape.addPoint(x - width / 2, (int) ((float) y - 0.207106781f * (float) (width)));
this.shape.addPoint((int) ((float) x - 0.207106781f * (float) (width)), y - width / 2);
this.shape.addPoint((int) ((float) x + 0.207106781f * (float) (width)), y - width / 2);
this.shape.addPoint(x + width / 2, (int) ((float) y - 0.207106781f * (float) (width)));
this.shape.addPoint(x + width / 2, (int) ((float) y + 0.207106781f * (float) (width)));
this.shape.addPoint((int) ((float) x + 0.207106781f * (float) (width)), y + width / 2);
this.shape.addPoint((int) ((float) x - 0.207106781f * (float) (width)), y + width / 2);
this.shape.addPoint(x - width / 2, (int) ((float) y + 0.207106781f * (float) (width)));
}
public void updateSize() {
this.width = LIMBSSystem.config().agentSize;
this.setCentre(this.x, this.y);
}
public Shape getShape() {
return shape;
}
public Component getComponent() {
return this.utility;
}
public void connect(ComponentWidget w) {
String className = w.getClass().getName();
if (className.equals("LIMBS.GroupWidget")) {
this.utility.addGroup((Group) w.getComponent());
}
}
public void disconnect(ComponentWidget w) {
String className = w.getClass().getName();
if (className.equals("LIMBS.GroupWidget")) {
this.utility.removeGroup((Group) w.getComponent());
}
}
protected void setComponent(Component comp) {
this.utility = (Utility) comp;
}
public ComponentWidget copy() {
Utility a = (Utility) this.utility.copy();
ComponentWidget copy = new UtilityWidget(a);
copy.setCentre(this.getCentreX() + 5, this.getCentreY() + 5);
return copy;
}
// doesn't have a particular functionality
public void mouseMove(int nx, int ny) {}
// sends the first half of the movement event
public void mousePress(int nx, int ny) {
setCentre(nx, ny);
utility
.getSimulation()
.registerChange(
new Change() {
private final int ux = x;
private final int uy = y;
public boolean undo() {
setCentre(this.ux, this.uy);
return true;
}
public boolean redo() {
return true;
}
},
null);
}
// drags the widget
public void mouseDrag(int nx, int ny) {
setCentre(nx, ny);
}
// send the second half of the movement event
public void mouseRelease(int nx, int ny) {
setCentre(nx, ny);
utility
.getSimulation()
.registerChange(
new Change() {
private final int ux = x;
private final int uy = y;
public boolean undo() {
return true;
}
public boolean redo() {
setCentre(this.ux, this.uy);
return true;
}
},
null);
}
public void scale(double factor) {
width = (int) (width * factor);
this.setCentre(this.x, this.y);
}
public Color getBackgroundColour() {
return Color.magenta;
}
};
public void updateSize() {
this.width = LIMBSSystem.config().agentSize;
this.setCentre(this.x, this.y);
}