public static string GenerateItemModel(ICanvas canvas, ITreeItem item, bool update)
{
string model = null;
if (item != null)
{
string uid = item.GetUid();
bool isDiagram = StringUtil.StartsWith(uid, Constants.TagHeaderDiagram);
if (isDiagram == true)
{
var prop = (canvas == null) ? DiagramProperties.Default : canvas.GetProperties();
model = GenerateDiagram(canvas, uid, prop);
if (update == true)
{
UndoRedo undoRedo = (canvas == null) ?
new UndoRedo(new Stack <string>(), new Stack <string>()) :
canvas.GetTag() as UndoRedo;
item.SetTag(new Diagram(model, undoRedo));
}
}
}
return(model);
}
public static void Store(ICanvas canvas, ITreeItem item)
{
string model = (canvas == null) ?
GenerateItemModel(null, item, true) :
GenerateDiagram(canvas, item.GetUid(), canvas == null ? null : canvas.GetProperties());
item.SetTag(new Diagram(model, canvas != null ? canvas.GetTag() as UndoRedo : null));
}