at.tuwien.ifs.somtoolbox.apps.viewer.handlers
Class OrderedPSelectionEventHandler

java.lang.Object
  edu.umd.cs.piccolo.event.PBasicInputEventHandler
      edu.umd.cs.piccolo.event.PDragSequenceEventHandler
          edu.umd.cs.piccolox.event.PSelectionEventHandler
              at.tuwien.ifs.somtoolbox.apps.viewer.handlers.OrderedPSelectionEventHandler

All Implemented Interfaces:

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

Direct Known Subclasses:

ClusterSelectionEventHandler, LineSelectionEventHandler, MyRectangleSelectionEventHandler

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

A Selection Event Handler that stores the selected items in the selection (insertion) order.

Version:

$Id: OrderedPSelectionEventHandler.java 3877 2010-11-02 15:43:17Z frank $

Author:

Rudolf Mayer

Nested Class Summary

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

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

Field Summary

protected Set<GeneralUnitPNode>

currentSelection

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

SELECTION_CHANGED_NOTIFICATION

Constructor Summary

OrderedPSelectionEventHandler(edu.umd.cs.piccolo.PNode marqueeParent, List selectableParents)

OrderedPSelectionEventHandler(edu.umd.cs.piccolo.PNode marqueeParent, edu.umd.cs.piccolo.PNode selectableParent)

Method Summary

protected boolean	alreadySelected(Object o) check if an object has already been selected or not
Collection<GeneralUnitPNode>	getSelection() Returns a copy of the currently selected nodes.
protected void	init()
void	select(Collection items)
void	select(Map items)
void	select(edu.umd.cs.piccolo.PNode node)
protected void	startDrag(edu.umd.cs.piccolo.event.PInputEvent e)
void	unselect(Collection items)
void	unselect(edu.umd.cs.piccolo.PNode node)
void	unselectAll()

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

addSelectableParent, computeMarqueeSelection, computeOptionMarqueeSelection, createNodeFilter, decorateSelectedNode, drag, dragActivityStep, dragStandardSelection, endDrag, endMarqueeSelection, endStandardSelection, getMarqueeBounds, getMarqueePaint, getMarqueePaintTransparency, getSelectableParents, getSelectionReference, getSupportDeleteKey, initializeMarquee, initializeSelection, isDeleteKeyActive, isMarqueeSelection, isOptionSelection, isSelectable, isSelected, keyPressed, removeSelectableParent, setDeleteKeyActive, setMarqueePaint, setMarqueePaintTransparency, setSelectableParent, setSelectableParents, startMarqueeSelection, startOptionMarqueeSelection, startStandardOptionSelection, startStandardSelection, undecorateSelectedNode, updateMarquee

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

Field Detail

currentSelection

protected Set<GeneralUnitPNode> currentSelection

Constructor Detail

OrderedPSelectionEventHandler

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

OrderedPSelectionEventHandler

public OrderedPSelectionEventHandler(edu.umd.cs.piccolo.PNode marqueeParent,
                                     List selectableParents)

Method Detail

init

protected void init()

Overrides:

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

getSelection

public Collection<GeneralUnitPNode> getSelection()

Returns a copy of the currently selected nodes. Overriding the super-class method to ensure an insertion-order of the elements (the super class returns the keyset of a hashmap).

Overrides:

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

select

public void select(Collection items)

Overrides:

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

unselect

public void unselect(Collection items)

Overrides:

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

startDrag

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

Overrides:

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

alreadySelected

protected boolean alreadySelected(Object o)

check if an object has already been selected or not

Parameters:

o - - object to search for in the current selection

Returns:

true if the object is already selected, false otherwise.

select

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

Overrides:

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

unselect

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

Overrides:

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

unselectAll

public void unselectAll()

Overrides:

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

select

public void select(Map items)

Overrides:

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