/// <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>
/// Gets the first child of the current page.
/// </summary>
/// <returns></returns>
public OoShapeObserver GetFirstChild()
{
OoShapeObserver shapeObs = null;
if (DrawPage != null && PagesObserver != null)
{
if (DrawPage is XDrawPage)
{
TimeLimitExecutor.WaitForExecuteWithTimeLimit(500, () => {
try
{
int childCount = ((XDrawPage)DrawPage).getCount();
if (childCount > 0)
{
var anyFirstChild = ((XDrawPage)DrawPage).getByIndex(0);
if (anyFirstChild.hasValue())
{
var firstChild = anyFirstChild.Value;
if (firstChild is XShape)
{
shapeObs = PagesObserver.GetRegisteredShapeObserver(firstChild as XShape, this);
if (shapeObs != null)
{
if (shapeObs.AcccessibleCounterpart == null)
{
shapeObs.Update();
}
}
else
{
//TODO: register this shape
OoShapeObserver newShapeObserver = OoShapeObserverFactory.BuildShapeObserver(firstChild, this); //new OoShapeObserver(firstChild as XShape, this);
PagesObserver.RegisterUniqueShape(newShapeObserver);
shapeObs = newShapeObserver;
}
}
else
{
//util.Debug.GetAllInterfacesOfObject(firstChild);
Logger.Instance.Log(LogPriority.DEBUG, this, "[UNEXPECTED] The first child of a page is not a shape!: ");
}
}
}
}
catch (System.Exception ex)
{
Logger.Instance.Log(LogPriority.IMPORTANT, this, "[ERROR] Can't get first child: " + ex);
}
}, "GetFirstChild");
}
}
return(shapeObs);
}
/// <summary>
/// Goes to the previous DOM sibling if possible
/// </summary>
/// <returns>The observer for the previous sibling (infinite child loop) or the same if there is only on child or <c>null</c> if no sibling could be found.</returns>
virtual public OoShapeObserver GetPreviousSibling()
{
if (this.Page != null && this.Page.PagesObserver != null)
{
XShape s = getPreviousSiblingByXShape();
OoShapeObserver sobs = getShapeObserverFromXShape(s);
if (sobs == null || sobs.Disposed)
{
sobs = OoShapeObserverFactory.BuildShapeObserver(s, Page); // new OoShapeObserver(s, Page);
Page.PagesObserver.RegisterUniqueShape(sobs);
}
return(sobs);
}
return(null);
}
///// <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);
}
private void handleChild(int i, XIndexAccess ia)
{
//System.Diagnostics.Debug.WriteLine("[UPDATE] --- handle child [" + i + "]");
try
{
if (PagesObserver != null)
{
lock (_childHandleLock)
{
var anyShape = ia.getByIndex(i);
if (anyShape.hasValue() && anyShape.Value is XShape)
{
if (PagesObserver.ShapeAlreadyRegistered(anyShape.Value as XShape, this))
{
//System.Diagnostics.Debug.WriteLine("[UPDATE] Shape " + anyShape.Value + " already exists ");
OoShapeObserver so = PagesObserver.GetRegisteredShapeObserver(anyShape.Value as XShape, this);
if (so != null)
{
so.UpdateChildren();
}
else
{
Logger.Instance.Log(LogPriority.DEBUG, this, "[ERROR] Shape should exist but could not been found!!!");
so = OoShapeObserverFactory.BuildShapeObserver(anyShape.Value, this); //new OoShapeObserver(anyShape.Value as XShape, this);
//shapeList.Add(so);
}
}
else
{
//System.Diagnostics.Debug.WriteLine("[UPDATE] New Shape " + anyShape.Value + " will be registered ");
OoShapeObserver so = null;
try
{
if (OoUtils.ElementSupportsService(anyShape.Value, OO.Services.DRAW_SHAPE_TEXT))
{
so = OoShapeObserverFactory.BuildShapeObserver(anyShape.Value, this); //new OoShapeObserver(anyShape.Value as XShape, this);
}
else
{
so = OoShapeObserverFactory.BuildShapeObserver(anyShape.Value, this); //new OoShapeObserver(anyShape.Value as XShape, this);
//System.Diagnostics.Debug.WriteLine("[UPDATE] Shape: " + so.Name + " will be registered");
}
}
catch (unoidl.com.sun.star.uno.RuntimeException ex)
{
Logger.Instance.Log(LogPriority.IMPORTANT, this, "[ERROR] internal while register ShapeObserver", ex);
}
catch (Exception ex)
{
Logger.Instance.Log(LogPriority.IMPORTANT, this, "[FATAL ERROR] can not register ShapeObserver", ex);
}
//finally
//{
// if (so != null) shapeList.Add(so);
//}
}
}
}
}
else
{
Logger.Instance.Log(LogPriority.DEBUG, this, "[ERROR] PagesObserver is null");
}
}
catch (System.Threading.ThreadAbortException ex) { Logger.Instance.Log(LogPriority.DEBUG, this, "[OO Deadlock] can't get access to children via child handling in DrawPageObserver", ex); }
catch (Exception ex) { Logger.Instance.Log(LogPriority.DEBUG, this, "can't get access to children via child handling in DrawPageObserver", ex); }
}
