Package elki.visualization.batikutil

Interface DragableArea.DragListener

All Known Implementing Classes:

MoveObjectsToolVisualization.Instance, OPTICSPlotCutVisualization.Instance, OPTICSPlotSelectionVisualization.Instance, SelectionToolAxisRangeVisualization.Instance, SelectionToolCubeVisualization.Instance, SelectionToolDotVisualization.Instance, SelectionToolLineVisualization.Instance, SilhouettePlotSelectionToolVisualization.Instance

Enclosing class:

DragableArea

public static interface DragableArea.DragListener

Listener interface for drag events.

Author:

Erich Schubert

Method Summary

Modifier and Type	Method	Description
boolean	duringDrag(org.w3c.dom.svg.SVGPoint startPoint, org.w3c.dom.svg.SVGPoint dragPoint, org.w3c.dom.events.Event evt, boolean inside)	Method called during drags.
boolean	endDrag(org.w3c.dom.svg.SVGPoint startPoint, org.w3c.dom.svg.SVGPoint dragPoint, org.w3c.dom.events.Event evt, boolean inside)	Method called when a drag was ended.
boolean	startDrag(org.w3c.dom.svg.SVGPoint startPoint, org.w3c.dom.events.Event evt)	Action to do on drag start.

Method Detail

startDrag

boolean startDrag(org.w3c.dom.svg.SVGPoint startPoint,
                  org.w3c.dom.events.Event evt)

Action to do on drag start.

Parameters:

startPoint - Point where the drag was started.

evt - The event object

Returns:

true to start the drag operation

duringDrag

boolean duringDrag(org.w3c.dom.svg.SVGPoint startPoint,
                   org.w3c.dom.svg.SVGPoint dragPoint,
                   org.w3c.dom.events.Event evt,
                   boolean inside)

Method called during drags.

Parameters:

startPoint - Drag starting point

dragPoint - Drag end point

evt - The event object

inside - Inside the tracked element

Returns:

true to continue the drag

endDrag

boolean endDrag(org.w3c.dom.svg.SVGPoint startPoint,
                org.w3c.dom.svg.SVGPoint dragPoint,
                org.w3c.dom.events.Event evt,
                boolean inside)

Method called when a drag was ended.

Parameters:

startPoint - Drag starting point

dragPoint - Drag end point

evt - The event object

inside - Whether the end point was inside the area

Returns:

true to complete the drag