protected override HistoryMemento OnUndo()
{
MetaDataHistoryMemento redo = new MetaDataHistoryMemento(this.Name, this.Image, this.historyWorkspace);
MetaDataHistoryMementoData data = (MetaDataHistoryMementoData)this.Data;
this.historyWorkspace.Document.ReplaceMetaDataFrom(data.Document);
return(redo);
}
public MetaDataHistoryMemento(string name, ImageResource image, IHistoryWorkspace historyWorkspace)
: base(name, image)
{
this.historyWorkspace = historyWorkspace;
Document document = new Document(1, 1); // we need some place to store the metadata...
document.ReplaceMetaDataFrom(historyWorkspace.Document);
MetaDataHistoryMementoData data = new MetaDataHistoryMementoData(document);
this.Data = data;
}
public MetaDataHistoryMemento(string name, ImageResource image, IHistoryWorkspace historyWorkspace)
: base(name, image)
{
this.historyWorkspace = historyWorkspace;
Document document = new Document(1, 1); // we need some place to store the metadata...
document.ReplaceMetaDataFrom(historyWorkspace.Document);
MetaDataHistoryMementoData data = new MetaDataHistoryMementoData(document);
this.Data = data;
}
