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:

PInputEventListener, java.util.EventListener

public class PSWTSelectionEventHandler
extends 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

PSelectionEventHandler.BoundsFilter

Field Summary

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

SELECTION_CHANGED_NOTIFICATION

Constructor Summary

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

PSWTSelectionEventHandler(PNode marqueeParent, PNode selectableParent)
Creates a selection event handler.

Method Summary

void	decorateSelectedNode(PNode node)
protected void	dragActivityStep(PInputEvent aEvent) This gets called continuously during the drag, and is used to animate the marquee
protected void	endMarqueeSelection(PInputEvent e)
protected PBounds	getMarqueeBounds()
protected void	initializeMarquee(PInputEvent e)
protected void	initializeSelection(PInputEvent pie)
void	undecorateSelectedNode(PNode node)
protected void	updateMarquee(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, paramString, 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, processEvent, setEventFilter, toString

Methods inherited from class java.lang.Object

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

Constructor Detail

PSWTSelectionEventHandler

public PSWTSelectionEventHandler(PNode marqueeParent,
                                 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(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(PNode node)

Overrides:

decorateSelectedNode in class PSelectionEventHandler

undecorateSelectedNode

public void undecorateSelectedNode(PNode node)

Overrides:

undecorateSelectedNode in class PSelectionEventHandler

initializeSelection

protected void initializeSelection(PInputEvent pie)

Overrides:

initializeSelection in class PSelectionEventHandler

initializeMarquee

protected void initializeMarquee(PInputEvent e)

Overrides:

initializeMarquee in class PSelectionEventHandler

updateMarquee

protected void updateMarquee(PInputEvent pie)

Overrides:

updateMarquee in class PSelectionEventHandler

getMarqueeBounds

protected PBounds getMarqueeBounds()

Overrides:

getMarqueeBounds in class PSelectionEventHandler

endMarqueeSelection

protected void endMarqueeSelection(PInputEvent e)

Overrides:

endMarqueeSelection in class PSelectionEventHandler

dragActivityStep

protected void dragActivityStep(PInputEvent aEvent)

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

Overrides:

dragActivityStep in class PSelectionEventHandler