/// <summary>
/// This method should be called during a large deletion of a
/// range of text so it can properly remove all the task tags.
/// </summary>
void RemoveTaskTagsFromRange(Gtk.TextIter start, Gtk.TextIter end)
{
TaskTag task_tag;
Gtk.TextIter line;
Gtk.TextIter line_start;
Gtk.TextIter line_end;
if (start.Line == end.Line)
{
// The iters are on the same line.
// If there's only one character being deleted, don't do
// anything here. This condition will be taken care of
// in ApplyTaskTagToBlock ().
if (end.LineOffset - start.LineOffset == 1)
{
return;
}
// Determine whether this line contains a TaskTag. If it
// does, determine whether deleting the range will delete
// the todo.
line = start;
task_tag = GetTaskTagFromLineIter(ref line);
if (task_tag != null)
{
if (start.LineIndex == 0)
{
// Start iter is at beginning of line
if (end.LineOffset >= Catalog.GetString("todo:").Length)
{
RemoveTaskTagFromLine(start);
}
}
else if (start.LineIndex < Catalog.GetString("todo:").Length)
{
// The start of the range is inside the "todo:" area,
// so the TaskTag needs to be removed.
RemoveTaskTagFromLine(start);
}
else
{
// Do nothing. The deletion is just inside the
// summary of the task.
}
}
}
else
{
// The iters are on different lines
line = start;
do
{
task_tag = GetTaskTagFromLineIter(ref line);
if (task_tag != null)
{
// Handle the first and last lines special since their
// range may not span the entire line.
if (line.Line == start.Line)
{
// This is the first line
line_end = line;
while (line_end.EndsLine() == false)
{
line_end.ForwardChar();
}
// line_end.ForwardToLineEnd ();
RemoveTaskTagsFromRange(start, line_end);
}
else if (line.Line == end.Line)
{
// This is the last line
line_start = line;
while (line_start.StartsLine() == false)
{
line_start.BackwardChar();
}
RemoveTaskTagsFromRange(line_start, end);
}
else
{
// This line is in the middle of the range
// so it's completely safe to remove the TaskTag
RemoveTaskTagFromLine(line);
}
// Delete the task
TaskManager task_mgr = TasksApplicationAddin.DefaultTaskManager;
Task task = task_mgr.FindByUri(task_tag.Uri);
if (task != null)
{
task_mgr.Delete(task);
}
}
} while (line.ForwardLine() && line.Line <= end.Line);
}
}
void ApplyTaskTagToBlock(ref Gtk.TextIter start, Gtk.TextIter end)
{
Gtk.TextIter line_end = start;
while (line_end.EndsLine() == false)
{
line_end.ForwardChar();
}
// For some reason, the above code behaves like it should (i.e.,
// without advancing to the next line). The line below that's
// commented out doesn't work. It ends up advancing the iter to
// the end of the next line. Very strange!
// line_end.ForwardToLineEnd ();
TaskTag task_tag = GetTaskTagFromLineIter(ref start);
if (task_tag != null)
{
Buffer.RemoveTag(task_tag, start, line_end);
}
else
{
task_tag = last_removed_tag;
}
string text = start.GetText(line_end);
// Logger.Debug ("Evaluating with regex: {0}", text);
TaskManager task_mgr = TasksApplicationAddin.DefaultTaskManager;
Task task;
Match match = regex.Match(text);
if (match.Success)
{
string summary = GetTaskSummaryFromLine(text);
if (task_tag == null)
{
task = task_mgr.Create(summary);
task.QueueSave(true);
task.OriginNoteUri = Note.Uri;
task_tag = (TaskTag)
Note.TagTable.CreateDynamicTag("task");
task_tag.Uri = task.Uri;
}
else
{
task = task_mgr.FindByUri(task_tag.Uri);
if (task != null)
{
task.Summary = summary;
}
else
{
Logger.Debug("FIXME: Add code to remove the task tag if this case is hit");
}
}
Buffer.ApplyTag(task_tag, start, line_end);
last_removed_tag = null;
}
else if (task_tag != null)
{
// This task should be deleted
task = task_mgr.FindByUri(task_tag.Uri);
if (task != null)
{
task_mgr.Delete(task);
}
last_removed_tag = null;
}
}