/// <summary>
/// Registers a new shape.
/// </summary>
/// <param name="shape">The dom shape.</param>
/// <returns>a registered <see cref="OoShapeObserver"/> for this shape</returns>
internal OoShapeObserver RegisterNewShape(XShape shape, OoDrawPageObserver pObs = null)
{
OoShapeObserver sobs = null;
if (shape != null)
{
// get the page to this shape
var page = OoDrawUtils.GetPageForShape(shape);
if (page != null)
{
if (pObs == null || !page.Equals(pObs.DrawPage))
{
pObs = GetRegisteredPageObserver(page);
}
if (pObs != null)
{
sobs = OoShapeObserverFactory.BuildShapeObserver(shape, pObs); // new OoShapeObserver(shape, pObs);
RegisterUniqueShape(sobs);
}
}
}
return(sobs);
}
///// <summary>
///// Determine if the XShape child is already known as a child.
///// </summary>
///// <param name="shape">The shape.</param>
///// <returns> the releated ShapeObserver to the known child otherwise <c>null</c></returns>
//OoShapeObserver childListContainsXShape(XShape shape)
//{
// foreach (var child in Children)
// {
// if (child.Equals(shape)) return child;
// }
// return null;
//}
#endregion
#region DOM Tree Handling
/// <summary>
/// gets an OoShapeObserver for the given shape.
/// </summary>
/// <param name="s">The s.</param>
/// <returns>An already registered or a new observer for the shape</returns>
private OoShapeObserver getShapeObserverFromXShape(XShape s)
{
if (s != null)
{
OoShapeObserver sObs = this.Page.PagesObserver.GetRegisteredShapeObserver(s, this.Page);
if (sObs == null && this.Page != null && this.Page.PagesObserver != null)
{
sObs = OoShapeObserverFactory.BuildShapeObserver( //new OoShapeObserver(
s,
this.Page.PagesObserver.GetRegisteredPageObserver(
OoDrawUtils.GetPageForShape(s)));
this.Page.PagesObserver.RegisterUniqueShape(sObs);
}
return(sObs);
}
return(null);
}
/// <summary>
/// Get a registered shape observer.
/// </summary>
/// <param name="shape">The shape.</param>
/// <returns>the already registered shape observer to the shape or <c>null</c></returns>
internal OoShapeObserver GetRegisteredShapeObserver(XShape shape, OoDrawPageObserver page)
{
if (domshapes.ContainsKey(shape))
{
OoShapeObserver sobs = domshapes[shape];
if (sobs != null && sobs.Shape == shape)
{
return(sobs);
}
}
String name = OoUtils.GetStringProperty(shape, "Name");
OoShapeObserver sObs = getRegisteredShapeObserver(name);
if (sObs == null)
{
if (page == null)
{
XDrawPage pageShape = OoDrawUtils.GetPageForShape(shape);
if (pageShape == null)
{
Logger.Instance.Log(LogPriority.DEBUG, this, "[EROR] Can't get page to requested NEW shape");
page = this.DocWnd.GetActivePage();
}
else
{
page = GetRegisteredPageObserver(pageShape as XDrawPage);
}
}
if (page != null)
{
sObs = OoShapeObserverFactory.BuildShapeObserver(shape, page); //new OoShapeObserver(shape, page);
RegisterUniqueShape(sObs);
}
}
if (sObs != null && sObs.Shape != shape)
{
sObs = RegisterNewShape(shape, page);
}
return(sObs);
}