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package tim.prune;
/**
* Class to remember the current status of the data,
* and make it possible to see whether the data has
* changed in any way since the DataStatus was requested
*/
public class DataStatus
{
private int _undoSize = 0;
private int _numUndos = 0;
/**
* Constructor
* @param inUndoSize current size of undo stack
* @param inNumUndos number of operations undone
*/
public DataStatus(int inUndoSize, int inNumUndos)
{
_undoSize = inUndoSize;
_numUndos = inNumUndos;
}
/**
* Has the data changed compared to the previous status?
* @param inPreviousStatus previous status obtained from App
* @return true if the status is now different
*/
public boolean hasDataChanged(DataStatus inPreviousStatus)
{
return _undoSize != inPreviousStatus._undoSize
|| _numUndos != inPreviousStatus._numUndos;
}
}
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