/**********************************************************************
 *
 *   FreeDoko a Doppelkopf-Game
 *    
 *   Copyright (C) 2001-2011  by Diether Knof and Borg Enders
 *
 *   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 can find this license in the file 'gpl.txt'.
 *
 *   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:
 *    Diether Knof dknof@gmx.de
 *    Borg Enders  borg@borgsoft.de
 *
 *********************************************************************/

#include "constants.h"

#ifdef USE_UI_GTKMM

#include "changelog.h"

#include "ui.h"
#include "cards.h"
#include "translations.h"

#include "widgets/stock_button.h"
#include <gtkmm/stock.h>
#include <gtkmm/alignment.h>
#include <gtkmm/label.h>
#include <gtkmm/scrolledwindow.h>
#ifdef CHANGELOG_USE_TREEVIEW
#include <gtkmm/treeview.h>
#include <gtkmm/treestore.h>
#endif
#include <gtkmm/textview.h>

namespace UI_GTKMM_NS {

  /**
   ** constructor
   **
   ** @param     parent   the parent object
   **
   ** @return    -
   ** 
   ** @author    Diether Knof
   **
   ** @version   0.5.4
   **/
  ChangeLog::ChangeLog(Base* const parent) :
    Base(parent),
    StickyDialog("ChangeLog", false),
    title_buffer(NULL),
#ifdef CHANGELOG_USE_TREEVIEW
    text(),
    model(new Model())
#else
      text_buffer(NULL)
#endif
  {
    this->ui->add_window(*this);
    this->signal_realize().connect(sigc::mem_fun(*this,
					      &ChangeLog::init));

    return ;
  } // ChangeLog::ChangeLog(Base* const parent)

  /**
   ** Destruktor
   **
   ** @param     -
   **
   ** @return    -
   ** 
   ** @author    Diether Knof
   **
   ** @version   0.5.4
   **/
  ChangeLog::~ChangeLog()
  { }

  /**
   ** create all subelements
   **
   ** @param     -
   **
   ** @return    -
   ** 
   ** @author    Diether Knof
   **
   ** @version   0.5.4
   **/
  void
    ChangeLog::init()
    {

      this->ui->translations->add(*this, ::translation("FreeDoko %ttitle%",
						      ::translation("ChangeLog")));
      this->set_icon(this->ui->icon);

      this->set_skip_taskbar_hint();

      this->set_default_size((this->ui->logo->get_width() * 3) / 2,
			     (this->ui->logo->get_height() * 6) / 2);
#ifdef POSTPONED
      this->get_window()->set_decorations(Gdk::DECOR_BORDER
					  | Gdk::DECOR_RESIZEH
					  | Gdk::DECOR_TITLE
					  | Gdk::DECOR_MENU);
#endif


      { // action area
	Gtk::StockButton *close_button
	  = Gtk::manage(new Gtk::StockButton(Gtk::Stock::CLOSE, "close"));
	this->ui->translations->add(*close_button,
				    ::translation("close"));
	this->add_action_widget(*close_button, Gtk::RESPONSE_CLOSE);
	// signals
	close_button->signal_clicked().connect(sigc::mem_fun(*this, &Gtk::Widget::hide));

	close_button->show_all();

	close_button->grab_default();
      } // action area

      { // the image
	Gtk::Alignment* alignment
	  = Gtk::manage(new Gtk::Alignment(Gtk::ALIGN_CENTER, Gtk::ALIGN_CENTER,
					   0, 0));
	alignment->set_border_width(parent->ui->logo->get_width() / 20);
	Gtk::Image* image = Gtk::manage(new Gtk::Image(parent->ui->logo));
	alignment->add(*image);

	this->get_vbox()->pack_start(*alignment, Gtk::PACK_SHRINK);
      } // the image
      { // title
	Gtk::Alignment* alignment
	  = Gtk::manage(new Gtk::Alignment(Gtk::ALIGN_CENTER, Gtk::ALIGN_CENTER,
					   0, 0));
	alignment->set_border_width(2 ex);
	//this->get_vbox()->pack_start(*alignment, false, true);

	Gtk::TextView* const title_text = Gtk::manage(new Gtk::TextView());
	title_text->set_editable(false);
	title_text->set_cursor_visible(false);

	this->title_buffer = title_text->get_buffer();
	{
	  Glib::RefPtr<Gtk::TextTag> tag_title
	    = this->title_buffer->create_tag("title");
	  //tag_title->set_property("weight", Pango::WEIGHT_BOLD);
          tag_title->set_property("scale", Pango::SCALE_X_LARGE);
	  tag_title->set_property("justification", Gtk::JUSTIFY_CENTER);
	}

#if 0
	this->ui->translations->add(*title,
				    ::translation("ChangeLog::till %sversion%",
						 ::version.number_to_string())
				    + ":");
#endif

	//alignment->add(*title_text);
	this->get_vbox()->pack_start(*title_text, false, true);
      } // title

      { // ChangeLog
#ifdef CHANGELOG_USE_TREEVIEW
	// the lines in the table do not wrap
	Glib::RefPtr<Gtk::TreeStore> list
	  = Gtk::TreeStore::create(*this->model);
	Gtk::TreeView* treeview
	  = Gtk::manage(new Gtk::TreeView(list));
	treeview->set_headers_visible(false);

	treeview->append_column("asdf", this->model->text);

	for (vector<DK::Utils::Version const*>::reverse_iterator
	     v = ::all_versions.rbegin();
	     v != ::all_versions.rend();
	     ++v) {
	  Gtk::TreeModel::Row version_row = *list->append();
	  version_row[this->model->text] = (*v)->number_to_string();
	  this->text[**v] = *list->append(version_row.children());
	  this->text[**v][this->model->text] = "changes";
	} // for (v \in ::all_versions

	{ // the scrolled window
	  Gtk::ScrolledWindow* scrolled_window
	    = Gtk::manage(new Gtk::ScrolledWindow);
	  scrolled_window->set_policy(Gtk::POLICY_AUTOMATIC,
				      Gtk::POLICY_AUTOMATIC);
	  scrolled_window->add(*treeview);

	  this->get_vbox()->add(*scrolled_window);
	} // the scrolled window
#else // #ifdef POSTPONED
	Gtk::TextView *text = Gtk::manage(new Gtk::TextView());
	text->set_wrap_mode(Gtk::WRAP_WORD);
	text->set_editable(false);
	this->text_buffer = text->get_buffer();

	{
	  Glib::RefPtr<Gtk::TextTag> tag_subtitle
	    = this->text_buffer->create_tag("subtitle");
	  tag_subtitle->set_property("weight", Pango::WEIGHT_BOLD);
	}
#if 0
	vector<DK::Utils::Version const*>::reverse_iterator
	  v = ::all_versions.rbegin();
	Translator::Translation
	  changelog((*v)->number_to_string()
		    + "\n"
		    + ::translation("ChangeLog::" + (*v)->number_to_string()));
	for (v += 1; v != ::all_versions.rend(); ++v) {
	  changelog
	    += ("\n\n"
		+ (*v)->number_to_string()
		+ "\n"
		+ ::translation("ChangeLog::" + (*v)->number_to_string()));
	} // for (v \in ::all_versions
	this->ui->translations->add(*text, changelog);
#endif

	{ // the scrolled window
	  Gtk::ScrolledWindow* scrolled_window
	    = Gtk::manage(new Gtk::ScrolledWindow);
	  scrolled_window->set_policy(Gtk::POLICY_AUTOMATIC,
				      Gtk::POLICY_AUTOMATIC);
	  scrolled_window->add(*text);

	  this->get_vbox()->add(*scrolled_window);
	} // the scrolled window
#endif // #ifdef POSTPONED
      } // ChangeLog

      this->language_update();

      this->show_all_children();

      return ;
    } // void ChangeLog::init()

  /**
   ** update the language elements
   **
   ** @param     -
   **
   ** @return    -
   ** 
   ** @author    Diether Knof
   **
   ** @version   0.6.6
   **/
  void
    ChangeLog::language_update()
    {
      if (!this->is_realized())
	return ;

      { // title
	this->title_buffer->erase(this->title_buffer->begin(),
				  this->title_buffer->end());
	this->title_buffer->insert_with_tag(this->title_buffer->begin(),
					    "\n"
					    + ::translation("ChangeLog::till %sversion%", ::version->number_to_string()).translation()
					    + "\n",
					    "title");
      } // title

#ifdef CHANGELOG_USE_TREEVIEW
      // see above
      for (vector<DK::Utils::Version const*>::const_iterator
	   v = ::all_versions.begin();
	   v != ::all_versions.end();
	   ++v) {
	this->text[**v][model->text]
	  = ::translation("ChangeLog::"
			 + (*v)->number_to_string()
			 ).translation();
      } // for (v \in ::all_versions)
#else
      this->text_buffer->begin_user_action();
      this->text_buffer->erase(this->text_buffer->begin(), this->text_buffer->end());
      for (vector<DK::Utils::Version const*>::reverse_iterator
           v = ::all_versions.rbegin();
           v != ::all_versions.rend();
           ++v) {
        if (v != ::all_versions.rbegin())
          this->text_buffer->insert_with_tag(this->text_buffer->end(),
                                             "\n\n", "subtitle");
        this->text_buffer->insert_with_tag(this->text_buffer->end(),
                                           (*v)->number_to_string() + "\n",
                                           "subtitle");
        this->text_buffer->insert(this->text_buffer->end(),
                                  ::translation("ChangeLog::" + (*v)->number_to_string()).translation());
      } // for (v \in ::all_versions)
      this->text_buffer->end_user_action();
#endif

      return ;
    } // void ChangeLog::language_update()

} // namespace UI_GTKMM_NS

#endif // #ifdef USE_UI_GTKMM
