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package tim.prune.undo;
import tim.prune.I18nManager;
import tim.prune.data.DataPoint;
import tim.prune.data.Field;
import tim.prune.data.TrackInfo;
import tim.prune.function.edit.FieldEditList;
/**
* Operation to undo the edit of a single point
*/
public class UndoEditPoint implements UndoOperation
{
private DataPoint _originalPoint = null;
private FieldEditList _undoFieldList = null;
/**
* Constructor
* @param inPoint data point
* @param inUndoFieldList FieldEditList for undo operation
*/
public UndoEditPoint(DataPoint inPoint, FieldEditList inUndoFieldList)
{
_originalPoint = inPoint;
_undoFieldList = inUndoFieldList;
}
/**
* @return description of operation including point name if any
*/
public String getDescription()
{
String desc = I18nManager.getText("undo.editpoint");
String newName = null;
if (_undoFieldList.getEdit(0).getField() == Field.WAYPT_NAME)
newName = _undoFieldList.getEdit(0).getValue();
String pointName = _originalPoint.getWaypointName();
if (newName != null && !newName.equals(""))
desc = desc + " " + newName;
else if (pointName != null && !pointName.equals(""))
desc = desc + " " + pointName;
return desc;
}
/**
* 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 contents of point into track
if (!inTrackInfo.getTrack().editPoint(_originalPoint, _undoFieldList, true))
{
// throw exception if failed
throw new UndoException(getDescription());
}
}
}
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