prefuse.action.layout
Class CollapsedSubtreeLayout

java.lang.Object
  extended by prefuse.activity.Activity
      extended by prefuse.action.Action
          extended by prefuse.action.GroupAction
              extended by prefuse.action.layout.Layout
                  extended by prefuse.action.layout.CollapsedSubtreeLayout

public class CollapsedSubtreeLayout
extends Layout

Layout Action that sets the positions for newly collapsed or newly expanded nodes of a tree. This action updates positions such that nodes flow out from their parents or collapse back into their parents upon animated transitions.

Author:
jeffrey heer

Field Summary
 
Fields inherited from class prefuse.action.layout.Layout
m_anchor, m_bounds, m_bpts, m_insets, m_margin, m_tmpa, m_tmpb
 
Fields inherited from class prefuse.action.GroupAction
m_group
 
Fields inherited from class prefuse.action.Action
m_vis
 
Fields inherited from class prefuse.activity.Activity
DEFAULT_STEP_TIME, INFINITY
 
Constructor Summary
CollapsedSubtreeLayout(java.lang.String group)
          Create a new CollapsedSubtreeLayout.
CollapsedSubtreeLayout(java.lang.String group, Orientation orientation)
          Create a new CollapsedSubtreeLayout.
 
Method Summary
 Orientation getOrientation()
          Get the layout orientation, determining which point nodes will collapse or expand from.
 void run(double frac)
          Runs this Action, triggering whatever processing this Action performs.
 void setOrientation(Orientation orientation)
          Set the layout orientation, determining which point nodes will collapse or expand from.
 
Methods inherited from class prefuse.action.layout.Layout
getLayoutAnchor, getLayoutBounds, setLayoutAnchor, setLayoutBounds, setMargin, setX, setY
 
Methods inherited from class prefuse.action.GroupAction
getGroup, setGroup
 
Methods inherited from class prefuse.action.Action
getVisualization, run, setVisualization
 
Methods inherited from class prefuse.activity.Activity
addActivityListener, alwaysRunAfter, cancel, fireActivityCancelled, fireActivityFinished, fireActivityScheduled, fireActivityStarted, fireActivityStepped, getDuration, getNextTime, getPace, getPacingFunction, getStartTime, getStepTime, getStopTime, isEnabled, isRunning, isScheduled, removeActivityListener, run, runAfter, runAt, setDuration, setEnabled, setPacingFunction, setStartTime, setStepTime
 
Methods inherited from class java.lang.Object
clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait
 

Constructor Detail

CollapsedSubtreeLayout

public CollapsedSubtreeLayout(java.lang.String group)
Create a new CollapsedSubtreeLayout. By default, nodes will collapse to the center point of their parents.

Parameters:
group - the data group to layout (only newly collapsed or newly expanded items will be considered, as determined by their current visibility settings).

CollapsedSubtreeLayout

public CollapsedSubtreeLayout(java.lang.String group,
                              Orientation orientation)
Create a new CollapsedSubtreeLayout.

Parameters:
group - the data group to layout (only newly collapsed or newly expanded items will be considered, as determined by their current visibility settings).
orientation - the layout orientation, determining which point nodes will collapse/expand from.
Method Detail

getOrientation

public Orientation getOrientation()
Get the layout orientation, determining which point nodes will collapse or expand from.

Returns:
the layout orientation

setOrientation

public void setOrientation(Orientation orientation)
Set the layout orientation, determining which point nodes will collapse or expand from.


run

public void run(double frac)
Description copied from class: Action
Runs this Action, triggering whatever processing this Action performs. Subclass this method to create custom Actions.

Specified by:
run in class GroupAction
Parameters:
frac - the fraction of this Action's duration that has elapsed.
See Also:
Action.run(double)


Copyright © 2008 Regents of the University of California