// ------------------------------------------------------------------
// Dump content of DocumentPage.
// ------------------------------------------------------------------
internal static void DumpDocumentPage(XmlTextWriter writer, DocumentPage page, Visual parent)
{
writer.WriteStartElement("DocumentPage");
writer.WriteAttributeString("Type", page.GetType().FullName);
if (page != DocumentPage.Missing)
{
DumpSize(writer, "Size", page.Size);
// Dump transform relative to its parent
GeneralTransform g = page.Visual.TransformToAncestor(parent);
Point point = new Point(0, 0);
g.TryTransform(point, out point);
if (point.X != 0 || point.Y != 0)
{
DumpPoint(writer, "Position", point);
}
// Dump page specific information
Type t = page.GetType();
DumpCustomDocumentPage dumpDocumentPage = null;
while (dumpDocumentPage == null && t != null)
{
dumpDocumentPage = _documentPageToDumpHandler[t] as DumpCustomDocumentPage;
t = t.BaseType;
}
if (dumpDocumentPage != null)
{
dumpDocumentPage(writer, page);
}
}
writer.WriteEndElement();
}
// ------------------------------------------------------------------
// Dump content of the specified DocumentPage.
//
// writer - stream to be used for dump
// element - element to be dumped
// parent - parent element
// ------------------------------------------------------------------
internal static void DumpDocumentPage(XmlNode writer, DocumentPage page, Visual parent)
{
if (writer == null)
{
throw new ArgumentNullException("writer");
}
if (page == null)
{
throw new ArgumentNullException("page");
}
if (parent == null)
{
throw new ArgumentNullException("parent");
}
XmlNode node = PropertyDumpCore.xmldoc.CreateElement("DocumentPage");
writer.AppendChild(node);
AppendAttribute(node, "Type", page.GetType().FullName);
if (page == DocumentPage.Missing)
{
AppendAttribute(node, "Missing", "True");
}
else
{
DumpSize(writer, "Size", page.Size);
// Dump transform relative to its parent
Matrix m;
System.Windows.Media.GeneralTransform gt = page.Visual.TransformToAncestor(parent);
System.Windows.Media.Transform t = (System.Windows.Media.Transform)gt;
if (t == null)
{
throw new System.ApplicationException("//TODO: Handle GeneralTransform Case - introduced by Transforms Breaking Change");
}
m = t.Value;
Point point = new Point(0, 0) * m;
if (point.X != 0 || point.Y != 0)
{
DumpPoint(writer, "Position", point);
}
//check for registered handler for this document page
DumpCustomDocumentPage dumpDocumentPage = _documentPageToDumpHandler[page.GetType()] as DumpCustomDocumentPage;
//Hack: need to itentify if test code should be using the Debug Class
//Debug.Assert(dumpDocumentPage == null, String.Format("Unknown documentpage of type {0}", page.GetType()));
if (dumpDocumentPage != null)
{
dumpDocumentPage(node, page);
}
}
}
/// <summary>
/// Add new mapping from DocumentPage type to dump methdod (DumpCustomDocumentPage).
/// </summary>
internal static void AddDocumentPageDumpHandler(Type type, DumpCustomDocumentPage dumper)
{
_documentPageToDumpHandler.Add(type, dumper);
}
/// <summary>
/// Add new mapping from DocumentPage type to dump methdod (DumpCustomDocumentPage).
/// </summary>
internal static void AddDocumentPageDumpHandler(Type type, DumpCustomDocumentPage dumper)
{
_documentPageToDumpHandler.Add(type, dumper);
}
