// 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(); }