protected void highlight(Object o) {
// Manage highlighting of control points
if (this.lastPickedObject == o) return; // Same thing selected
// Turn off highlight if on.
if (this.lastPickedObject != null) {
this.lastPickedObject.getAttributes().setHighlighted(false);
this.lastPickedObject.getAttributes().setBackgroundColor(null); // use default
this.lastPickedObject = null;
if (measureTool.isShowAnnotation()) measureTool.updateAnnotation(null);
this.setCursor(null);
}
// Turn on highlight if object selected is a control point and belongs to this controller's
// MeasureTool.
if (this.lastPickedObject == null
&& o instanceof MeasureTool.ControlPoint
&& ((MeasureTool.ControlPoint) o).getParent() == measureTool) {
this.lastPickedObject = (MeasureTool.ControlPoint) o;
this.lastPickedObject.getAttributes().setHighlighted(true);
// Highlite using text color
this.lastPickedObject
.getAttributes()
.setBackgroundColor(this.lastPickedObject.getAttributes().getTextColor());
if (measureTool.isShowAnnotation())
measureTool.updateAnnotation(this.lastPickedObject.getPosition());
this.setCursor(this.lastPickedObject);
}
}
@SuppressWarnings({"UnusedDeclaration"})
protected void doMoved(PositionEvent event) {
if (this.active
&& rubberBandTarget != null
&& this.measureTool.getWwd().getObjectsAtCurrentPosition() != null
&& this.measureTool.getWwd().getObjectsAtCurrentPosition().getTerrainObject() != null) {
if (!isFreeHand()
|| (!measureTool.getMeasureShapeType().equals(MeasureTool.SHAPE_PATH)
&& !measureTool.getMeasureShapeType().equals(MeasureTool.SHAPE_POLYGON))) {
// Rubber band - Move control point and update shape
Position lastPosition = rubberBandTarget.getPosition();
PickedObjectList pol = measureTool.getWwd().getObjectsAtCurrentPosition();
PickedObject to = pol.getTerrainObject();
rubberBandTarget.setPosition(new Position(to.getPosition(), 0));
measureTool.moveControlPoint(rubberBandTarget);
measureTool.firePropertyChange(
MeasureTool.EVENT_POSITION_REPLACE, lastPosition, rubberBandTarget.getPosition());
measureTool.getWwd().redraw();
} else {
// Free hand - Compute distance from current control point (rubber band target)
Position lastPosition = rubberBandTarget.getPosition();
Position newPosition = measureTool.getWwd().getCurrentPosition();
double distance =
LatLon.greatCircleDistance(lastPosition, newPosition).radians
* measureTool.getWwd().getModel().getGlobe().getRadius();
if (distance >= freeHandMinSpacing) {
// Add new control point
measureTool.addControlPoint();
rubberBandTarget =
(MeasureTool.ControlPoint)
getMeasureTool()
.getControlPoints()
.get(getMeasureTool().getControlPoints().size() - 1);
measureTool.getWwd().redraw();
}
}
} else if (this.moving
&& movingTarget != null
&& measureTool.getWwd().getCurrentPosition() != null) {
// Moving the whole shape
Position lastPosition = movingTarget.getPosition();
Position newPosition = measureTool.getWwd().getCurrentPosition();
this.moveToPosition(lastPosition, newPosition);
// Update the tool tip to follow the shape as it moves.
if (measureTool.isShowAnnotation()) measureTool.updateAnnotation(movingTarget.getPosition());
measureTool.getWwd().redraw();
}
}
protected void dragSelected(SelectEvent event) {
MeasureTool.ControlPoint point = (MeasureTool.ControlPoint) event.getTopObject();
LatLon lastPosition = point.getPosition();
if (point.getValue(MeasureTool.CONTROL_TYPE_LOCATION_INDEX) != null)
lastPosition =
measureTool
.getPositions()
.get((Integer) point.getValue(MeasureTool.CONTROL_TYPE_LOCATION_INDEX));
// Delegate dragging computations to a dragger.
this.dragger.selected(event);
measureTool.moveControlPoint(point);
if (measureTool.isShowAnnotation()) measureTool.updateAnnotation(point.getPosition());
measureTool.firePropertyChange(
MeasureTool.EVENT_POSITION_REPLACE, lastPosition, point.getPosition());
measureTool.getWwd().redraw();
}