// 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();
}
}
}
// Handle mouse actions
public void mousePressed(MouseEvent mouseEvent) {
if (this.isArmed() && this.isUseRubberBand() && mouseEvent.getButton() == MouseEvent.BUTTON1) {
if ((mouseEvent.getModifiersEx() & MouseEvent.BUTTON1_DOWN_MASK) != 0) {
if (!mouseEvent.isControlDown()) {
this.setActive(true);
measureTool.addControlPoint();
if (measureTool.getControlPoints().size() == 1) {
measureTool.addControlPoint(); // Simulate a second click
}
// Set the rubber band target to the last control point or the relevant control for
// regular shapes.
if (measureTool.isRegularShape()) {
String initControl =
measureTool.getShapeInitialControl(measureTool.getWwd().getCurrentPosition());
rubberBandTarget = measureTool.getControlPoint(initControl);
} else {
rubberBandTarget =
(MeasureTool.ControlPoint)
measureTool.getControlPoints().get(measureTool.getControlPoints().size() - 1);
}
measureTool.firePropertyChange(MeasureTool.EVENT_RUBBERBAND_START, null, null);
}
}
mouseEvent.consume();
} else if (!this.isArmed()
&& mouseEvent.getButton() == MouseEvent.BUTTON1
&& mouseEvent.isAltDown()) {
if (!this.measureTool.isRegularShape()) {
this.setMoving(true);
this.movingTarget = this.lastPickedObject;
}
mouseEvent.consume();
}
}
@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();
}