edu.umd.cs.piccolox.swt
Class PSWTSelectionEventHandler

java.lang.Object
  edu.umd.cs.piccolo.event.PBasicInputEventHandler
      edu.umd.cs.piccolo.event.PDragSequenceEventHandler
          edu.umd.cs.piccolox.event.PSelectionEventHandler
              edu.umd.cs.piccolox.swt.PSWTSelectionEventHandler

All Implemented Interfaces:

edu.umd.cs.piccolo.event.PInputEventListener, java.util.EventListener

public class PSWTSelectionEventHandler
extends edu.umd.cs.piccolox.event.PSelectionEventHandler

Modified to use SWT paths instead of normal paths

Version:

1.0

Author:

Lance Good

Nested Class Summary

Nested classes/interfaces inherited from class edu.umd.cs.piccolox.event.PSelectionEventHandler

edu.umd.cs.piccolox.event.PSelectionEventHandler.BoundsFilter

Field Summary

(package private) java.awt.geom.Point2D	canvasPressPt
(package private) PSWTPath	marquee
(package private) edu.umd.cs.piccolo.PNode	marqueeParent
(package private) java.awt.geom.Point2D	pressPt

Fields inherited from class edu.umd.cs.piccolox.event.PSelectionEventHandler

SELECTION_CHANGED_NOTIFICATION

Constructor Summary

PSWTSelectionEventHandler(edu.umd.cs.piccolo.PNode marqueeParent, java.util.List selectableParents)
Creates a selection event handler.

PSWTSelectionEventHandler(edu.umd.cs.piccolo.PNode marqueeParent, edu.umd.cs.piccolo.PNode selectableParent)
Creates a selection event handler.

Method Summary

void	decorateSelectedNode(edu.umd.cs.piccolo.PNode node)
protected void	dragActivityStep(edu.umd.cs.piccolo.event.PInputEvent aEvent) This gets called continuously during the drag, and is used to animate the marquee
protected void	endMarqueeSelection(edu.umd.cs.piccolo.event.PInputEvent e)
protected edu.umd.cs.piccolo.util.PBounds	getMarqueeBounds()
protected void	initializeMarquee(edu.umd.cs.piccolo.event.PInputEvent e)
protected void	initializeSelection(edu.umd.cs.piccolo.event.PInputEvent pie)
void	undecorateSelectedNode(edu.umd.cs.piccolo.PNode node)
protected void	updateMarquee(edu.umd.cs.piccolo.event.PInputEvent pie)

Methods inherited from class edu.umd.cs.piccolox.event.PSelectionEventHandler

addSelectableParent, computeMarqueeSelection, computeOptionMarqueeSelection, createNodeFilter, drag, dragStandardSelection, endDrag, endStandardSelection, getMarqueePaint, getMarqueePaintTransparency, getSelectableParents, getSelection, getSelectionReference, getSupportDeleteKey, init, isDeleteKeyActive, isMarqueeSelection, isOptionSelection, isSelectable, isSelected, keyPressed, removeSelectableParent, select, select, select, setDeleteKeyActive, setMarqueePaint, setMarqueePaintTransparency, setSelectableParent, setSelectableParents, startDrag, startMarqueeSelection, startOptionMarqueeSelection, startStandardOptionSelection, startStandardSelection, unselect, unselect, unselectAll

Methods inherited from class edu.umd.cs.piccolo.event.PDragSequenceEventHandler

dragActivityFinalStep, dragActivityFirstStep, getDragActivity, getMinDragStartDistance, getMousePressedCanvasPoint, isDragging, mouseDragged, mousePressed, mouseReleased, setIsDragging, setMinDragStartDistance, shouldStartDragInteraction, startDragActivity, stopDragActivity

Methods inherited from class edu.umd.cs.piccolo.event.PBasicInputEventHandler

acceptsEvent, getEventFilter, keyboardFocusGained, keyboardFocusLost, keyReleased, keyTyped, mouseClicked, mouseEntered, mouseExited, mouseMoved, mouseWheelRotated, mouseWheelRotatedByBlock, paramString, processEvent, setEventFilter

Methods inherited from class java.lang.Object

clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait

Field Detail

marquee

PSWTPath marquee

marqueeParent

edu.umd.cs.piccolo.PNode marqueeParent

pressPt

java.awt.geom.Point2D pressPt

canvasPressPt

java.awt.geom.Point2D canvasPressPt

Constructor Detail

PSWTSelectionEventHandler

public PSWTSelectionEventHandler(edu.umd.cs.piccolo.PNode marqueeParent,
                                 edu.umd.cs.piccolo.PNode selectableParent)

Creates a selection event handler.

Parameters:

marqueeParent - The node to which the event handler dynamically adds a marquee (temporarily) to represent the area being selected.

selectableParent - The node whose children will be selected by this event handler.

PSWTSelectionEventHandler

public PSWTSelectionEventHandler(edu.umd.cs.piccolo.PNode marqueeParent,
                                 java.util.List selectableParents)

Creates a selection event handler.

Parameters:

marqueeParent - The node to which the event handler dynamically adds a marquee (temporarily) to represent the area being selected.

selectableParents - A list of nodes whose children will be selected by this event handler.

Method Detail

decorateSelectedNode

public void decorateSelectedNode(edu.umd.cs.piccolo.PNode node)

Overrides:

decorateSelectedNode in class edu.umd.cs.piccolox.event.PSelectionEventHandler

undecorateSelectedNode

public void undecorateSelectedNode(edu.umd.cs.piccolo.PNode node)

Overrides:

undecorateSelectedNode in class edu.umd.cs.piccolox.event.PSelectionEventHandler

initializeSelection

protected void initializeSelection(edu.umd.cs.piccolo.event.PInputEvent pie)

Overrides:

initializeSelection in class edu.umd.cs.piccolox.event.PSelectionEventHandler

initializeMarquee

protected void initializeMarquee(edu.umd.cs.piccolo.event.PInputEvent e)

Overrides:

initializeMarquee in class edu.umd.cs.piccolox.event.PSelectionEventHandler

updateMarquee

protected void updateMarquee(edu.umd.cs.piccolo.event.PInputEvent pie)

Overrides:

updateMarquee in class edu.umd.cs.piccolox.event.PSelectionEventHandler

getMarqueeBounds

protected edu.umd.cs.piccolo.util.PBounds getMarqueeBounds()

Overrides:

getMarqueeBounds in class edu.umd.cs.piccolox.event.PSelectionEventHandler

endMarqueeSelection

protected void endMarqueeSelection(edu.umd.cs.piccolo.event.PInputEvent e)

Overrides:

endMarqueeSelection in class edu.umd.cs.piccolox.event.PSelectionEventHandler

dragActivityStep

protected void dragActivityStep(edu.umd.cs.piccolo.event.PInputEvent aEvent)

This gets called continuously during the drag, and is used to animate the marquee

Overrides:

dragActivityStep in class edu.umd.cs.piccolox.event.PSelectionEventHandler