public void CommentHitTestError()
{
string test="<p><!--OddPage--></p>";
XmlDocument doc=new XmlDocument();
doc.LoadXml(test);
Stylesheet s=new Stylesheet();
s.BindStyles(doc.NameTable);
Rectangle rc=new Rectangle(0, 0, 500, int.MaxValue);
using ( IGraphics gr=new DummyGraphics() )
{
DrawContext ctx=new DrawContext(gr, Point.Empty, rc, rc, null, new DocumentType(), null);
LayoutEngine layoutEngine=new LayoutEngine(s);
layoutEngine.Reflow(ctx, doc.DocumentElement);
Console.WriteLine("Bounds {0}", layoutEngine.BoundingRect);
for (int x=0; x< layoutEngine.BoundingRect.Width; x+=10)
{
HitTestInfo hti=layoutEngine.GetHitTestInfo(gr, new Point(x,8));
SelectionPoint sp=hti.SelectionPoint;
Console.WriteLine("Hit test at {0} = {1}", x, sp);
}
}
}
public void HitTestHandling()
{
string test="<p><b>xxxxxxxxxxxxx</b></p>";
XmlDocument doc=new XmlDocument();
doc.LoadXml(test);
Stylesheet s=//Stylesheet.Load("c:/tmp/website/site.style", doc.NameTable);
new Stylesheet();
s.BindStyles(doc.NameTable);
Rectangle rc=new Rectangle(0, 0, 500, int.MaxValue);
using ( IGraphics gr=new DummyGraphics() )
{
DrawContext ctx=new DrawContext(gr, Point.Empty, rc, rc, null, new DocumentType(), null);
LayoutEngine layoutEngine=new LayoutEngine(s);
layoutEngine.Reflow(ctx, doc.DocumentElement);
layoutEngine.GetHitTestInfo(gr, new Point(141,16));
}
}
/// <summary>
/// Attach an XmlDocument to this control.
/// </summary>
/// <param name="doc">The XmlDocument to attach.</param>
/// <param name="valid">Indicates whether the document is valid according to its DTD.</param>
/// <remarks>
/// <para>This method detaches any existing XmlDocument and
/// attaches the new document. If the valid parameter is set to <b>false</b>,
/// the document is validated according to the DTD, if present, so that any invalid
/// nodes are highlighted. This can take a little time for very large documents, so
/// if possible only valid documents should be attached. However, this feature allows
/// the loading of well-formed but invalid documents into the control.</para>
/// </remarks>
public void Attach(XmlDocument doc, bool valid)
{
if ( !DoLicenseCheck(true) )
return;
Detach();
if ( Handle.Equals(IntPtr.Zero) )
return;
if ( doc == null )
return;
nodocWnd.Visible=false;
this.doc=doc;
if ( doc.BaseURI.Length > 0 )
docUri=new Uri(doc.BaseURI);
try
{
GetStylesheetFromPi();
FileReloadStylesheet();
undoManager.Attach(doc);
validationManager.Attach(doc, null);
if ( !valid )
validationManager.ValidateAll();
}
catch ( Exception )
{
// clean up
Detach();
throw;
}
doc.NodeChanged+=new XmlNodeChangedEventHandler(NodeChanged);
doc.NodeInserted+=new XmlNodeChangedEventHandler(NodeInserted);
doc.NodeRemoved+=new XmlNodeChangedEventHandler(NodeRemoved);
tooltip.Active=true;
layoutEngine=new LayoutEngine(stylesheet);
Reflow();
if ( doc.DocumentElement != null )
{
SelectionPoint sel=new ElementSelectionPoint(doc.DocumentElement, TagType.StartTag);
sel=selectionManager.NextSelectionPoint(sel);
SetSelection(new Selection(sel));
}
UpdateCaretPosition();
Invalidate(true);
}
private void Reflow()
{
// Console.WriteLine("XEditNetCtrl: Reflow");
if ( doc == null || doc.DocumentElement == null )
return;
LayoutEngine le=new LayoutEngine(stylesheet);
Size sz=new Size();
// Console.WriteLine("Reflow: Create graphics from control");
using ( IGraphics gr=grFactory.CreateGraphics(this) )
{
Rectangle rc=VisibleRectangle;
rc.Height=0;
DrawContext dc=new DrawContext(gr, new Point(-OffsetX, -OffsetY), rc, rc, validationManager.InvalidNodes, validationManager.DocumentType, currentSelection.Start);
sz=le.Reflow(dc, doc.DocumentElement);
}
layoutEngine=le;
if ( currentSelection.IsRange )
{
layoutEngine.Selection=currentSelection;
Invalidate(true);
}
UpdateCaretPosition();
ResetScrollbars(sz);
}
// protected new void SetScrollState(int bit, bool value)
// {
// base.SetScrollState(bit, value);
// base.SetScrollState(4, true);
// }
// protected new bool VScroll
// {
// get { return true; }
// set { base.VScroll=true; }
// }
/// <seebase/>
protected override void OnSizeChanged(EventArgs e)
{
base.OnSizeChanged(e);
if ( Size.Width == 0 )
{
// minimise
Console.WriteLine("Resize not actioned - width is 0");
return;
}
if ( currentSize.Width != ClientRectangle.Width )
{
if ( caret != null )
caret.Visible=false;
// Logger.Log("Recreating layoutEngine");
layoutEngine=new LayoutEngine(stylesheet);
reflowTimer.Stop();
reflowTimer.Start();
}
// else if ( layoutEngine != null )
// {
// ResetScrollbars(layoutEngine.BoundingRect.Size);
// }
currentSize=ClientRectangle.Size;
if ( nodocWnd != null )
nodocWnd.AutoSize();
}
public void ViewTagsOn()
{
stylesheet.TagMode=TagViewMode.Full;
reflowTimer.Stop();
layoutEngine=new LayoutEngine(stylesheet);
reflowTimer.Start();
Invalidate(true);
}
/// <summary>
/// Detaches the current XmlDocument, if any, from the control.
/// </summary>
/// <remarks>
/// Use this method to remove any association between the XmlDocument attached to the control
/// and the control. All events handlers are detached and so on. You might use this method before
/// making extensive changes to the XmlDocument due to the overhead of undo/redo support and
/// other change tracking performed by XEditNet.
/// </remarks>
public void Detach()
{
if ( doc == null )
return;
// TODO: M: this isn't working - when undo over new doc element
caret.Visible=false;
doc.NodeChanged-=new XmlNodeChangedEventHandler(NodeChanged);
doc.NodeInserted-=new XmlNodeChangedEventHandler(NodeInserted);
doc.NodeRemoved-=new XmlNodeChangedEventHandler(NodeRemoved);
undoManager.Detach();
validationManager.Detach();
SetSelection(Selection.Empty);
doc=null;
docUri=null;
layoutEngine=null;
tooltip.Active=false;
Invalidate(true);
nodocWnd.Visible=true;
nodocWnd.ShowStartMessage=true;
return;
}
public void WhitespaceHandling1()
{
string test="aaaa bbbb cccc";
XmlDocument doc=new XmlDocument();
doc.LoadXml("<doc>"+test+"</doc>");
Stylesheet s=new Stylesheet();
s.BindStyles(doc.NameTable);
// Rectangle rc=new Rectangle(0, 0, 480, int.MaxValue);
Rectangle rc=new Rectangle(0, 0, 110, int.MaxValue);
using ( IGraphics gr=new DummyGraphics() )
{
DrawContext ctx=new DrawContext(gr, Point.Empty, rc, rc, null, new DocumentType(), null);
LayoutEngine layoutEngine=new LayoutEngine(s);
layoutEngine.Reflow(ctx, doc.DocumentElement);
SelectionPoint start=new TextSelectionPoint(doc.DocumentElement.FirstChild, 11);
Console.WriteLine("Getting caret pos for {0}", start);
Rectangle c=layoutEngine.GetCaretPosition(gr, start, CaretDirection.None);
Console.WriteLine("Char {0} at {1}", start.ToString(), c);
}
}
