public void GetLastTag()
{
DocumentEditor editor = new DocumentEditor();
TextBuffer buffer = editor.Buffer;
TextIter insertIter = buffer.StartIter;
buffer.Insert(ref insertIter, "Start Extern Region ");
buffer.InsertWithTagsByName(ref insertIter, "Intern Region", "Type:Attributes");
int index = insertIter.Offset - 1;
buffer.Insert(ref insertIter, "End Extern Region");
buffer.ApplyTag("Type", buffer.StartIter, insertIter);
TextTag expectedTag = buffer.TagTable.Lookup("Type:Attributes");
TextTag actualTag = DocumentUtils.GetLastTag(buffer.GetIterAtOffset(index));
Assert.AreEqual(expectedTag, actualTag, "GLT01");
}
private void OnInsertText(object sender, InsertTextArgs args)
{
int offset = args.Pos.Offset - args.Length;
string text = args.Text;
TextIter previousIter = GetIterAtOffset(offset - 1); // Previous is the iter before the insert offset.
TextIter startIter = GetIterAtOffset(offset);
TextIter endIter = GetIterAtOffset(offset + text.Length);
// Only handle special inserting cases when we have a fully loaded document.
if (document_loaded)
{
#if DEBUG
Console.WriteLine("DEBUG: Inserting: {0}", text);
Console.WriteLine("DEBUG: Start Offset: {0} Char: {1}", startIter.Offset, startIter.Char);
Console.WriteLine("DEBUG: End Offset: {0} Char: {1}", endIter.Offset, endIter.Char);
#endif
TextTag lastEnd = DocumentUtils.GetLastTag(endIter);
TextTag lastPrevious = DocumentUtils.GetLastTag(previousIter);
if (endIter.BeginsTag(lastEnd) && lastEnd.Editable)
{
#if DEBUG
Console.WriteLine("DEBUG: Inserting text at start of editable region.");
Console.WriteLine("DEBUG: Tag Name: {0} Char: {1}", lastEnd.Name, endIter.Char);
#endif
ApplyTag(lastEnd, startIter, endIter);
}
else if (DocumentUtils.TagEndsHere(lastPrevious, previousIter, startIter) && lastPrevious.Editable)
{
#if DEBUG
Console.WriteLine("DEBUG: Inserting text at end of editable region.");
Console.WriteLine("DEBUG: Tag Name: {0} Char: {1}", lastPrevious.Name, previousIter.Char);
#endif
ApplyTag(lastPrevious, startIter, endIter);
}
}
}
private void OnDeleteRange(object sender, DeleteRangeArgs args)
{
TextIter startIter = GetIterAtOffset(args.Start.Offset - 1);
TextIter endIter = GetIterAtOffset(args.Start.Offset);
#if DEBUG
Console.WriteLine("DEBUG: Deleting range");
#endif
bool startsRegion = startIter.Char.Equals("[");
bool endsRegion = endIter.Char.Equals("]");
if (startsRegion && endsRegion)
{
#if DEBUG
Console.WriteLine("DEBUG: Deleting whole editing region.");
#endif
TextTag last = DocumentUtils.GetAssociatedTextTag(this, DocumentUtils.GetLastTag(startIter));
Undoer.FreezeUndo();
InsertWithTags(ref endIter, "Documentation for this section has not yet been entered.", last);
Undoer.ThrawUndo();
}
}