private void OnUnderLineChanged(bool UnderLine)
{
if (UnderLine)
{
if (Decoration == null)
{
Decoration = new TextDecorationCollection();
Decoration.Add(TextDecorations.Underline);
}
else
{
Decoration = new TextDecorationCollection();
Decoration.Add(TextDecorations.Strikethrough);
Decoration.Add(TextDecorations.Underline);
}
}
else
{
if (Decoration != null && Decoration.Contains(TextDecorations.Strikethrough[0]))
{
Decoration = new TextDecorationCollection();
Decoration.Add(TextDecorations.Strikethrough);
}
else
{
Decoration = null;
}
}
this.SetTextDecorations();
}
static bool Compare(TextDecorationCollection cmp1, TextDecorationCollection cmp2)
{
if (cmp1 == null && cmp2 == null)
{
return(true);
}
else if (cmp1 == null || cmp2 == null)
{
return(false);
}
else if (cmp1.Count != cmp2.Count)
{
return(false);
}
foreach (var i in cmp1)
{
if (!cmp2.Contains(i))
{
return(false);
}
}
return(true);
}
private static bool CompareTextDecorations(TextDecorationCollection firstTextDecorationCollection, TextDecorationCollection secondTextDecorationCollection)
{
if (firstTextDecorationCollection.Count != secondTextDecorationCollection.Count)
{
return(false);
}
foreach (TextDecoration textDecoration in firstTextDecorationCollection)
{
if (!secondTextDecorationCollection.Contains(textDecoration))
{
return(false);
}
}
foreach (TextDecoration textDecoration in secondTextDecorationCollection)
{
if (!firstTextDecorationCollection.Contains(textDecoration))
{
return(false);
}
}
return(true);
}
private static bool CheckTextDecoration(RichTextBox rtf, TextDecoration decoration)
{
var caret = rtf.CaretPosition;
Paragraph paragraph = FindBlock <Paragraph>(rtf.Document.Blocks, caret);
if (paragraph != null)
{
Inline inline = paragraph.Inlines.FirstOrDefault(x => x.ContentStart.CompareTo(caret) <= 0 && x.ContentEnd.CompareTo(caret) >= 0) as Inline;
if (inline != null)
{
TextDecorationCollection decorations = inline.TextDecorations;
if (decorations == DependencyProperty.UnsetValue)
{
return(false);
}
else
{
return(decorations != null && decorations.Contains(decoration));
}
}
}
return(false);
}
/// <summary>
/// 设置为已经确认
/// </summary>
private void SetCheck()
{
//if ((FontWeight)RichTextBox1.Selection.GetPropertyValue(TextElement.FontWeightProperty) == FontWeights.Bold)
// RichTextBox1.Selection.ApplyPropertyValue(TextElement.FontWeightProperty, FontWeights.Normal);
//else
// RichTextBox1.Selection.ApplyPropertyValue(TextElement.FontWeightProperty, FontWeights.Bold);
//var decorations = (TextDecorationCollection)RichTextBox1.Selection.GetPropertyValue(Inline.TextDecorationsProperty);
//bool hasUnderline = decorations.Contains(TextDecorations.Strikethrough[0]);
//if (hasUnderline)
// RichTextBox1.Selection.ApplyPropertyValue(Inline.TextDecorationsProperty, FontWeights.Normal);
//else
// RichTextBox1.Selection.ApplyPropertyValue(Inline.TextDecorationsProperty, TextDecorations.Strikethrough);
var selection = this.RichTextBox1.Selection;
if (!selection.IsEmpty)
{
TextDecorationCollection tdc = selection.GetPropertyValue(Inline.TextDecorationsProperty) as TextDecorationCollection;
if (tdc == null || !(tdc.SequenceEqual(TextDecorations.Strikethrough) || tdc.Contains(TextDecorations.Strikethrough[0])))
{
selection.ApplyPropertyValue(Run.TextDecorationsProperty, TextDecorations.Strikethrough);
}
else
{
selection.ApplyPropertyValue(Inline.TextDecorationsProperty, null);
}
}
else
{
//RichTextBox1.CaretPosition.InsertTextInRun("aaa");
//RichTextBox1.Selection.Text = "百度";
//TextRange tr = new TextRange(RichTextBox1.Selection.Start, RichTextBox1.Selection.End);
//Hyperlink hlink = new Hyperlink(tr.Start, tr.End);
//hlink.NavigateUri = new Uri("");
var textRange = new TextRange(this.RichTextBox1.Document.ContentStart, this.RichTextBox1.Document.ContentEnd);
if (!textRange.IsEmpty)
{
textRange.ApplyPropertyValue(Inline.TextDecorationsProperty, null);
}
}
}