// Handle dragging of control points
public void selected(SelectEvent event) {
// Ignore select events if the tools is armed, or in a move/rotate action. In either case we
// don't
// want to change the currently selected or hightlighted control point.
if (measureTool == null || (this.isArmed() && this.isUseRubberBand()) || this.isMoving())
return;
if (dragger == null) dragger = new BasicDragger(measureTool.getWwd());
// Have rollover events highlight the rolled-over object.
if (event.getEventAction().equals(SelectEvent.ROLLOVER) && !dragger.isDragging()) {
this.highlight(event.getTopObject());
this.measureTool.getWwd().redraw();
}
this.doSelected(event);
// We missed any roll-over events while dragging, so highlight any under the cursor now,
// or de-highlight the dragged control point if it's no longer under the cursor.
if (event.getEventAction().equals(SelectEvent.DRAG_END)) {
PickedObjectList pol = this.measureTool.getWwd().getObjectsAtCurrentPosition();
if (pol != null) {
this.highlight(pol.getTopObject());
this.measureTool.getWwd().redraw();
}
}
}
@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();
}
}
@Override
public void render(DrawContext dc) {
if (dc.isPickingMode() && this.isResizeable()) return;
// This is called twice: once during normal rendering, then again during ordered surface
// rendering. During
// normal renering we render both the interior and border shapes. During ordered surface
// rendering, both
// shapes are already added to the DrawContext and both will be individually processed.
// Therefore we just
// call our superclass behavior
if (dc.isOrderedRenderingMode()) {
super.render(dc);
return;
}
if (!this.isResizeable()) {
if (this.hasSelection()) {
this.doRender(dc);
}
return;
}
PickedObjectList pos = dc.getPickedObjects();
PickedObject terrainObject = pos != null ? pos.getTerrainObject() : null;
if (terrainObject == null) return;
if (this.getStartPosition() != null) {
Position end = terrainObject.getPosition();
if (!this.getStartPosition().equals(end)) {
this.setEndPosition(end);
this.setSector(Sector.boundingSector(this.getStartPosition(), this.getEndPosition()));
this.doRender(dc);
}
} else {
this.setStartPosition(pos.getTerrainObject().getPosition());
}
}