------------------------------------------------------------------------------
------------------------------------------------------------------------------
-- Cheddar is a GNU GPL real-time scheduling analysis tool.
-- This program provides services to automatically check schedulability and
-- other performance criteria of real-time architecture models.
--
-- Copyright (C) 2002-2023, Frank Singhoff, Alain Plantec, Jerome Legrand,
--                          Hai Nam Tran, Stephane Rubini
--
-- The Cheddar project was started in 2002 by
-- Frank Singhoff, Lab-STICC UMR 6285, Université de Bretagne Occidentale
--
-- Cheddar has been published in the "Agence de Protection des Programmes/France" in 2008.
-- Since 2008, Ellidiss technologies also contributes to the development of
-- Cheddar and provides industrial support.
--
-- The full list of contributors and sponsors can be found in README.md
--
-- This program is free software; you can redistribute it and/or modify
-- it under the terms of the GNU General Public License as published by
-- the Free Software Foundation; either version 2 of the License, or
-- (at your option) any later version.
--
-- This program is distributed in the hope that it will be useful,
-- but WITHOUT ANY WARRANTY; without even the implied warranty of
-- MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
-- GNU General Public License for more details.
--
-- You should have received a copy of the GNU General Public License
-- along with this program; if not, write to the Free Software
-- Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA  02111-1307  USA
--
--
-- Contact : cheddar@listes.univ-brest.fr
--
------------------------------------------------------------------------------
-- Last update :
--    $Rev: 4029 $
--    $Date: 2021-08-27 12:44:15 +0200 (ven., 27 août 2021) $
--    $Author: singhoff $
------------------------------------------------------------------------------
------------------------------------------------------------------------------

with Ada.Text_IO;       use Ada.Text_IO;
with unbounded_strings; use unbounded_strings;

with Glib;               use Glib;
with Glib.Object;        use Glib.Object;
with Gtk.Text_Buffer;    use Gtk.Text_Buffer;
with Gtk.Text_Tag_Table; use Gtk.Text_Tag_Table;
with Gtk.Text_Tag;       use Gtk.Text_Tag;
with Gdk.Color;          use Gdk.Color;
with Gdk.RGBA;           use Gdk.RGBA;
with Gtk;                use Gtk;
with Gtk.Enums;          use Gtk.Enums;
with Gtk.Text_Iter;      use Gtk.Text_Iter;
with Gtk.Text_Buffer;    use Gtk.Text_Buffer;
with Gtk.Text_Mark;      use Gtk.Text_Mark;
with Gtk.Widget;         use Gtk.Widget;
with Pango.Font;         use Pango.Font;

with task_set; use task_set;
use task_set.generic_task_set;
with translate;        use translate;
with framework_config; use framework_config;

package body graphical_editor.message_text is

   iter       : gtk_text_iter;
   start_iter : gtk_text_iter;
   Success    : Boolean;
   Tags       : Gtk_Text_Tag_Table;
   Tag        : Gtk_Text_Tag;
   Color      : Gdk_RGBA;

   procedure Insert_With_Tag
     (Buffer : access Gtk_Text_Buffer_Record'Class; Tag : String;
      Text   : String)
   is
      T                : Gtk_Text_Tag;
      Iter, Start_Iter : Gtk_Text_Iter;
      Table            : Gtk_Text_Tag_Table;
      Result           : Boolean;
      pragma Warnings (Off, Result);
   begin
      Get_End_Iter (Buffer, Iter);

      if Tag = "" then
         Insert (Buffer, Iter, Text & ASCII.LF);
      else
         Table := Get_Tag_Table (Buffer);
         T     := Lookup (Table, Tag);

         Insert (Buffer, Iter, Text & ASCII.LF);
         Start_Iter := Iter;
         Backward_Chars (Start_Iter, Text'Length + 1, Result);
         Apply_Tag (Buffer, T, Start_Iter, Iter);
      end if;
   end Insert_With_Tag;

   procedure write_title (response_list : in framework_response_table) is

   begin
      Insert_with_tag
        (buffer_editor_cheddar, "red_tag",
         To_String (response_list.entries (0).title));
   end write_title;

   procedure write_text (response_list : in framework_response_table) is

   begin
      for j in 0 .. response_list.nb_entries - 1 loop
         Insert_with_tag
           (buffer_editor_cheddar, "",
            To_String (response_list.entries (j).text));
      end loop;

   end write_text;

   procedure write_text (msg : in String) is
   begin
      Insert_with_tag (buffer_editor_cheddar, "", msg);
   end write_text;

   procedure write_title_and_text (response_list : in framework_response_table)
   is

   begin

      for j in 0 .. response_list.nb_entries - 1 loop

         Insert_with_tag
           (buffer_editor_cheddar, "red_tag",
            To_String (response_list.entries (j).title));
         Insert_with_tag
           (buffer_editor_cheddar, "",
            To_String (response_list.entries (j).text));

      end loop;

   end write_title_and_text;

   procedure initialize_message_text_properties is

   begin
      --  Create the tags that will be used to change the rendering of the
      --  text.
      --
      tags := get_tag_table (buffer_editor_cheddar);
      Parse (Color, "red", Success);
      Gtk_New (Tag, "red_tag");
      Add (Tags, Tag);
      Set_Property (Tag, Foreground_Rgba_Property, Color);
   end initialize_message_text_properties;

   procedure starting_text is
   begin

      if (get_number_of_elements (sys.tasks) = 0) then
         write_text
           (to_string (lb_minus & lb_start_message1 (current_language)) &
            To_String (unbounded_lf));
      else
         write_text
           (to_string (lb_minus & lb_start_message2 (current_language)) &
            To_String (unbounded_lf));
      end if;

   end starting_text;

end graphical_editor.message_text;