public XMLCursorPos Clone()
{
XMLCursorPos xMLCursorPos = new XMLCursorPos();
xMLCursorPos.CursorSetzen(this._aktNode, this._posAmNode, this._posImTextnode);
return(xMLCursorPos);
}
public bool SelektionLoeschen(out XMLCursorPos neueCursorPosNachLoeschen)
{
if (!this.IstEtwasSelektiert)
{
neueCursorPosNachLoeschen = this.StartPos.Clone();
return(false);
}
if (this.StartPos.AktNode == this.EndPos.AktNode)
{
switch (this.StartPos.PosAmNode)
{
case XMLCursorPositionen.CursorVorDemNode:
if (ToolboxXML.IstTextOderKommentarNode(this.StartPos.AktNode))
{
this.StartPos.CursorSetzen(this.StartPos.AktNode, XMLCursorPositionen.CursorInnerhalbDesTextNodes, 0);
return(this.SelektionLoeschen(out neueCursorPosNachLoeschen));
}
this.BeideCursorPosSetzen(this.StartPos.AktNode, XMLCursorPositionen.CursorAufNodeSelbstVorderesTag);
return(this.SelektionLoeschen(out neueCursorPosNachLoeschen));
case XMLCursorPositionen.CursorAufNodeSelbstVorderesTag:
case XMLCursorPositionen.CursorAufNodeSelbstHinteresTag:
XmlNode aktNode = this.StartPos.AktNode;
XmlNode previousSibling = aktNode.PreviousSibling;
XmlNode nextSibling = aktNode.NextSibling;
neueCursorPosNachLoeschen = new XMLCursorPos();
if (previousSibling != null && nextSibling != null && (previousSibling is XmlText && nextSibling is XmlText))
{
neueCursorPosNachLoeschen.CursorSetzen(previousSibling, XMLCursorPositionen.CursorInnerhalbDesTextNodes, previousSibling.InnerText.Length);
previousSibling.InnerText += nextSibling.InnerText;
aktNode.ParentNode.RemoveChild(aktNode);
nextSibling.ParentNode.RemoveChild(nextSibling);
return(true);
}
if (previousSibling != null)
{
neueCursorPosNachLoeschen.CursorSetzen(previousSibling, XMLCursorPositionen.CursorHinterDemNode);
}
else if (nextSibling != null)
{
neueCursorPosNachLoeschen.CursorSetzen(nextSibling, XMLCursorPositionen.CursorVorDemNode);
}
else
{
neueCursorPosNachLoeschen.CursorSetzen(aktNode.ParentNode, XMLCursorPositionen.CursorInDemLeeremNode);
}
aktNode.ParentNode.RemoveChild(aktNode);
return(true);
case XMLCursorPositionen.CursorInDemLeeremNode:
if (this.EndPos.PosAmNode != XMLCursorPositionen.CursorHinterDemNode && this.EndPos.PosAmNode != XMLCursorPositionen.CursorVorDemNode)
{
throw new ApplicationException("AuswahlLoeschen:#6363S undefined Endpos " + (object)this.EndPos.PosAmNode + "!");
}
XMLCursor xmlCursor1 = new XMLCursor();
xmlCursor1.BeideCursorPosSetzen(this.StartPos.AktNode, XMLCursorPositionen.CursorAufNodeSelbstVorderesTag, 0);
return(xmlCursor1.SelektionLoeschen(out neueCursorPosNachLoeschen));
case XMLCursorPositionen.CursorInnerhalbDesTextNodes:
int posImTextnode = this.StartPos.PosImTextnode;
int num = this.EndPos.PosImTextnode;
if (this.EndPos.PosAmNode == XMLCursorPositionen.CursorHinterDemNode)
{
num = this.StartPos.AktNode.InnerText.Length;
}
if (posImTextnode == 0 && num >= this.StartPos.AktNode.InnerText.Length)
{
XMLCursor xmlCursor2 = new XMLCursor();
xmlCursor2.BeideCursorPosSetzen(this.StartPos.AktNode, XMLCursorPositionen.CursorAufNodeSelbstVorderesTag);
return(xmlCursor2.SelektionLoeschen(out neueCursorPosNachLoeschen));
}
this.StartPos.AktNode.InnerText = this.StartPos.AktNode.InnerText.Remove(posImTextnode, num - posImTextnode);
neueCursorPosNachLoeschen = new XMLCursorPos();
if (posImTextnode == 0)
{
neueCursorPosNachLoeschen.CursorSetzen(this.StartPos.AktNode, XMLCursorPositionen.CursorVorDemNode);
}
else
{
neueCursorPosNachLoeschen.CursorSetzen(this.StartPos.AktNode, XMLCursorPositionen.CursorInnerhalbDesTextNodes, posImTextnode);
}
return(true);
case XMLCursorPositionen.CursorHinterDemNode:
if (ToolboxXML.IstTextOderKommentarNode(this.StartPos.AktNode))
{
this.StartPos.CursorSetzen(this.StartPos.AktNode, XMLCursorPositionen.CursorInnerhalbDesTextNodes, this.StartPos.AktNode.InnerText.Length);
return(this.SelektionLoeschen(out neueCursorPosNachLoeschen));
}
this.BeideCursorPosSetzen(this.StartPos.AktNode, XMLCursorPositionen.CursorAufNodeSelbstVorderesTag);
return(this.SelektionLoeschen(out neueCursorPosNachLoeschen));
default:
throw new ApplicationException("AuswahlLoeschen:#63346 StartPos.PosAmNode " + (object)this.StartPos.PosAmNode + " not allowed!");
}
}
else
{
while (this.StartPos.AktNode.NextSibling != this.EndPos.AktNode)
{
this.StartPos.AktNode.ParentNode.RemoveChild(this.StartPos.AktNode.NextSibling);
}
XMLCursor xmlCursor2 = this.Clone();
xmlCursor2.StartPos.CursorSetzen(this.EndPos.AktNode, XMLCursorPositionen.CursorVorDemNode);
XMLCursorPos neueCursorPosNachLoeschen1;
xmlCursor2.SelektionLoeschen(out neueCursorPosNachLoeschen1);
this.EndPos.CursorSetzen(this.StartPos.AktNode, XMLCursorPositionen.CursorHinterDemNode);
return(this.SelektionLoeschen(out neueCursorPosNachLoeschen));
}
}