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package tim.prune.undo;
import tim.prune.I18nManager;
import tim.prune.data.TrackInfo;
/**
* Operation to undo a load audios operation
*/
public class UndoLoadAudios implements UndoOperation
{
/** Number of audio clips added */
private int _numAudios = -1;
/**
* Constructor
* @param inNumAudios number of audios loaded
*/
public UndoLoadAudios(int inNumAudios)
{
_numAudios = inNumAudios;
}
/**
* @return description of operation including number of audios loaded
*/
public String getDescription()
{
String desc = I18nManager.getText("undo.loadaudios");
if (_numAudios > 0)
desc = desc + " (" + _numAudios + ")";
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
{
// crop audio list to previous size
int cropIndex = inTrackInfo.getAudioList().getNumAudios() - _numAudios;
inTrackInfo.getAudioList().cropTo(cropIndex);
// clear selection
inTrackInfo.getSelection().clearAll();
}
}
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