public void mousePressed(MouseEvent e) {
this.mousePoint = e.getPoint();
Object topObject = null;
PickedObjectList pickedObjects = this.wwd.getObjectsAtCurrentPosition();
if (pickedObjects != null) topObject = pickedObjects.getTopObject();
if (topObject instanceof ControlPointMarker) {
this.activeControlPoint = (ControlPointMarker) topObject;
this.activeAction = this.activeControlPoint.getType();
setShowAnnotation(true);
updateAnnotation(this.activeControlPoint.getPosition());
// update controlPointIndex;
int i = 0;
for (Marker controlPoint : this.controlPoints) {
if (controlPoint.equals(topObject)) break;
i++;
}
this.activeControlPointIndex = i;
e.consume();
} else if (topObject == this.getPolygon()) {
this.activeAction = MOVE_POLYGON_ACTION;
// set the shape to be the "active control point"
this.activeControlPointIndex = -1;
setShowAnnotation(true);
updateAnnotation(this.polygon.getReferencePosition());
e.consume();
}
}
public void mouseReleased(MouseEvent e) {
this.activeControlPoint = null;
this.activeAction = null;
setShowAnnotation(false);
updateAnnotation(null);
e.consume();
}
public void mouseClicked(MouseEvent e) {
if (this.isArmed()) {
if (e.getButton() == MouseEvent.BUTTON1 && e.getClickCount() == 2) {
Object topObject = null;
PickedObjectList pickedObjects = this.wwd.getObjectsAtCurrentPosition();
if (pickedObjects != null) topObject = pickedObjects.getTopObject();
if (topObject instanceof ControlPointMarker) {
this.removeVertex((ControlPointMarker) topObject);
e.consume();
} else {
this.addVertex(e.getPoint());
e.consume();
}
}
}
}
public void mouseDragged(MouseEvent e) {
Point lastMousePoint = this.mousePoint;
this.mousePoint = e.getPoint();
if (lastMousePoint == null) lastMousePoint = this.mousePoint;
// update annotation
if (isShowAnnotation()) {
if (this.activeControlPointIndex < 0) updateAnnotation(this.polygon.getReferencePosition());
else if (this.controlPoints != null)
updateAnnotation(this.controlPoints.get(this.activeControlPointIndex).getPosition());
}
if (MOVE_VERTEX_ACTION.equals(this.activeAction)) {
this.moveControlPoint(this.activeControlPoint, lastMousePoint, this.mousePoint);
e.consume();
} else if (CHANGE_HEIGHT_ACTION.equals(this.activeAction)) {
this.setPolygonHeight(lastMousePoint, this.mousePoint);
e.consume();
} else if (MOVE_POLYGON_ACTION.equals(this.activeAction)) {
this.movePolygon(lastMousePoint, this.mousePoint);
e.consume();
}
}