Package snap.props

Class PropChange

java.lang.Object

snap.props.PropChange

Direct Known Subclasses:

TextDocUtils.CharsChange, TextDocUtils.LineStyleChange, TextDocUtils.StyleChange

public class PropChange
extends Object

A class to describe object property changes.

Nested Class Summary

Nested Classes

Modifier and Type	Class	Description
static interface	PropChange.DoChange	An interface for objects that can do a PropChange.

Constructor Summary

Constructors

Constructor	Description
PropChange(Object aSource, String aProp, Object oldVal, Object newVal)	Constructor.
PropChange(Object aSource, String aProp, Object oldVal, Object newVal, int anIndex)	Constructor with index.

Method Summary

Modifier and Type	Method	Description
protected void	doChange(Object oldVal, Object newVal)	Does this change with given new/old values.
static void	doChange(Object aSource, String aProp, Object oldVal, Object newVal, int anIndex)	Performs the given change by using RMKey.setValue or RMKeyList add/remove.
int	getIndex()	Returns the index.
Object	getNewValue()	Returns the new value.
Object	getOldValue()	Returns the old value.
String	getPropertyName()	Returns the Property name.
String	getPropName()	Returns the Property name.
Object	getSource()	Returns the source.
PropChange	merge(PropChange anEvent)	Attempts to merge the given property change into this property change.
void	redoChange()	Redoes this change.
String	toString()	Simple to string.
void	undoChange()	Undoes this change.

Methods inherited from class java.lang.Object

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

Constructor Details

PropChange

public PropChange(Object aSource,
 String aProp,
 Object oldVal,
 Object newVal)

Constructor.

PropChange

public PropChange(Object aSource,
 String aProp,
 Object oldVal,
 Object newVal,
 int anIndex)

Constructor with index.

Method Details

getSource

public Object getSource()

Returns the source.

getPropName

public String getPropName()

Returns the Property name.

getPropertyName

public String getPropertyName()

Returns the Property name.

getOldValue

public Object getOldValue()

Returns the old value.

getNewValue

public Object getNewValue()

Returns the new value.

getIndex

public int getIndex()

Returns the index.

undoChange

public void undoChange()

Undoes this change.

redoChange

public void redoChange()

Redoes this change.

doChange

protected void doChange(Object oldVal,
 Object newVal)

Does this change with given new/old values.

merge

public PropChange merge(PropChange anEvent)

Attempts to merge the given property change into this property change.

toString

public String toString()

Simple to string.

Overrides:

toString in class Object

doChange

public static void doChange(Object aSource,
 String aProp,
 Object oldVal,
 Object newVal,
 int anIndex)

Performs the given change by using RMKey.setValue or RMKeyList add/remove.