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package tim.prune.undo;
import tim.prune.I18nManager;
import tim.prune.data.DataPoint;
import tim.prune.data.Track;
import tim.prune.data.TrackInfo;
/**
* Abstract operation to undo a reordering by replacing track contents with a shallow copy
*/
public abstract class UndoReorder implements UndoOperation
{
/** Shallow copy of whole track contents */
private DataPoint[] _contents = null;
/** Description */
private String _description = null;
/**
* Constructor
* @param inTrack track contents to copy
* @param inDescKey description key
*/
public UndoReorder(Track inTrack, String inDescKey)
{
_contents = inTrack.cloneContents();
_description = I18nManager.getText(inDescKey);
}
/**
* @return description
*/
public String getDescription() {
return _description;
}
/**
* Perform the undo operation on the given Track
* @param inTrackInfo TrackInfo object on which to perform the operation
*/
public void performUndo(TrackInfo inTrackInfo) throws UndoException
{
// restore track to previous values
inTrackInfo.getTrack().replaceContents(_contents);
inTrackInfo.getSelection().clearAll();
}
}
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