org.das2.event
Interface DragRenderer

All Known Implementing Classes:

AngleSelectionDragRenderer, ArrowDragRenderer, BoxGesturesRenderer, BoxRenderer, CrossHairRenderer, EmptyDragRenderer, FrequencyDragRenderer, GesturesRenderer, HorizontalDragRangeRenderer, HorizontalFrequencyDragRenderer, HorizontalRangeGesturesRenderer, HorizontalRangeRenderer, HorizontalSliceSelectionRenderer, LabelDragRenderer, LengthDragRenderer, PointSlopeDragRenderer, VerticalRangeGesturesRenderer, VerticalSliceSelectionRenderer

public interface DragRenderer

A DragRenderer provides the feedback to the human operator of what his or her mousing is doing. It applies constraints to the drag as well. It promotes the awt mouse events into events that represent the operation, implementing for example mouse gestures.

Field Summary

static java.awt.Color

ghostColor

Method Summary

void	clear(java.awt.Graphics g)
MouseDragEvent	getMouseDragEvent(java.lang.Object source, java.awt.Point p1, java.awt.Point p2, boolean isModified)
boolean	isPointSelection()
boolean	isUpdatingDragSelection()
java.awt.Rectangle[]	renderDrag(java.awt.Graphics g, java.awt.Point p1, java.awt.Point p2)

Field Detail

ghostColor

static final java.awt.Color ghostColor

Method Detail

renderDrag

java.awt.Rectangle[] renderDrag(java.awt.Graphics g,
                                java.awt.Point p1,
                                java.awt.Point p2)

clear

void clear(java.awt.Graphics g)

getMouseDragEvent

MouseDragEvent getMouseDragEvent(java.lang.Object source,
                                 java.awt.Point p1,
                                 java.awt.Point p2,
                                 boolean isModified)

isPointSelection

boolean isPointSelection()

isUpdatingDragSelection

boolean isUpdatingDragSelection()