/// <summary>
/// Cancel the add hyperlink form
/// </summary>
/// <param name="sender"></param>
/// <param name="e"></param>
private void OnClickHyperlinkCancel(object sender, RoutedEventArgs e)
{
// back to normal
XAMLRichBox.IsReadOnly = false;
rtbToolbar.IsEnabled = true;
linkEditor.Visibility = Visibility.Collapsed;
XAMLRichBox.Focus();
}
/// <summary>
/// save changes in hyperlink panel
/// </summary>
/// <param name="sender"></param>
/// <param name="e"></param>
private void OnClickHyperlinkOk(object sender, RoutedEventArgs e)
{
RichTextBox rtb = XAMLRichBox as RichTextBox;
string hyperlinkURL = linkEditorText.Text;
Hyperlink hyperlink = ExtractHyperLink();
if (null != hyperlinkURL && 0 < hyperlinkURL.Length)
{
try
{
var uri = new UriBuilder(hyperlinkURL).Uri;
if (null == hyperlink)
{
// creates the link
hyperlink = new Hyperlink(rtb.Selection.Start, rtb.Selection.End);
}
// set new URL
hyperlink.NavigateUri = uri;
hyperlink.TargetName = "_blank";
// update tooltip
hyperlink.ToolTip = uri.ToString();
}
catch (Exception)
{
// NO-OP
}
}
else if (null != hyperlink)
{
// old text
TextRange textRangeHyper = new TextRange(hyperlink.ElementStart, hyperlink.ElementEnd);
string oldText = textRangeHyper.Text;
// remove hyperlink
rtb.Selection.Text = String.Empty;
// insert plain text in its place
new Run(oldText, rtb.Selection.Start);
}
// back to normal
XAMLRichBox.IsReadOnly = false;
rtbToolbar.IsEnabled = true;
linkEditor.Visibility = Visibility.Collapsed;
XAMLRichBox.Focus();
}