/// <summary>
/// Execute the Inser Closing Element action
/// </summary>
/// <param name="textArea">The text area in which to perform the
/// action</param>
public override void Execute(TextArea textArea)
{
IDocument doc = textArea.Document;
int endTag = -1, open = -1, close = -1, offset = textArea.Caret.Offset;
char c;
if(offset > 0 && doc.GetCharAt(offset - 1) == '>')
offset--;
// Find end of the element
for(int i = offset; i < doc.TextLength; i++)
{
c = doc.GetCharAt(i);
if(c == '<' || c== '>')
{
if(c == '>')
{
endTag = close = i;
// Find start of tag
for(int j = close - 1; j >= 0; j--)
{
c = doc.GetCharAt(j);
if(c == '<' || c == '>')
{
if(c == '<')
open = j;
break;
}
// On whitespace, assume we just moved past
// an attribute.
if(Char.IsWhiteSpace(c))
endTag = j;
}
}
break;
}
}
// Execute the default action if we couldn't find an element
// or it's a comment.
if(open < 0 || close < 0 || doc.GetText(open + 1, 3) == "!--")
{
if(defaultAction != null)
defaultAction.Execute(textArea);
else
textArea.InsertChar('\t');
}
else
{
open++;
string tag = doc.GetText(open, endTag - open);
close++;
doc.Insert(close, "</" + tag + ">");
textArea.Caret.Position = doc.OffsetToPosition(close);
}
}
