info.bioinfweb.treegraph.document.undo.format
Class ScaleBranchLengthsEdit

java.lang.Object
  info.bioinfweb.treegraph.document.undo.DocumentEdit
      info.bioinfweb.treegraph.document.undo.format.ScaleBranchLengthsEdit

All Implemented Interfaces:

UndoableEdit

public class ScaleBranchLengthsEdit
extends DocumentEdit

Field Summary

private float	newScale
private float	oldScale

Fields inherited from class info.bioinfweb.treegraph.document.undo.DocumentEdit

document

Constructor Summary

ScaleBranchLengthsEdit(Document document, float length)

Method Summary

static float	calculateScale(Tree tree, float length) Returns the branch length scale necessary for the specified tree so that the longest path to a leaf of this tree has the specified length.
String	getPresentationName()
void	redo()
void	undo()

Methods inherited from class info.bioinfweb.treegraph.document.undo.DocumentEdit

addEdit, canRedo, canUndo, die, getRedoPresentationName, getUndoPresentationName, isSignificant, replaceEdit

Methods inherited from class java.lang.Object

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

Field Detail

oldScale

private float oldScale

newScale

private float newScale

Constructor Detail

ScaleBranchLengthsEdit

public ScaleBranchLengthsEdit(Document document,
                              float length)

Parameters:

document -

length - - the desired length of the longest path throught the tree im millimeters

Method Detail

calculateScale

public static float calculateScale(Tree tree,
                                   float length)

Returns the branch length scale necessary for the specified tree so that the longest path to a leaf of this tree has the specified length.

Parameters:

tree -

length - - the desired length of the longest path throught the tree im millimeters

Returns:

redo

public void redo()
          throws CannotRedoException

Specified by:

redo in interface UndoableEdit

Overrides:

redo in class DocumentEdit

Throws:

CannotRedoException

undo

public void undo()
          throws CannotUndoException

Specified by:

undo in interface UndoableEdit

Overrides:

undo in class DocumentEdit

Throws:

CannotUndoException

getPresentationName

public String getPresentationName()