/* $Id$ */
/*
 * Cantus Tag Editor
 * Copyright © 2002-2004 by Samuel Abels <spam@debain.org>
 * Copyright © 2007 by Tim Huetz <tim.huetz@futures-net.de>
 *
 * 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 3 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, see <http://www.gnu.org/licenses/>
 **/

#ifdef HAVE_CONFIG_H
#  include <config.h>
#endif

#include <cantusplugins/id3copier/editarea.h>

//#define _DEBUG_


/******************************************************************************
 * Constructor/Destructor
 ******************************************************************************/
Editarea::Editarea()
{
}


Editarea::~Editarea(void)
{
#ifdef _DEBUG_
  printf("unkowneditarea(): Editarea::~Editarea(): Called.\n");
#endif
}


/******************************************************************************
 * Public
 ******************************************************************************/
GtkWidget* Editarea::build_horizontal(void)
{
  HPaned* hpaned   = new HPaned;
  HBox*   selector = build_selector();
  Label*  label    = new Label("", 0, 0.5);
  Table*  form     = build_form();
  Table*  comment  = build_commentbox();
  VBox*   toplevel = new VBox;
  string text;
  parent = new HBox;
  
  // Build the hpaned holding the form and the commentbox.
  {
    hpaned->set_position(380);
    form->set_border_width(6);
    comment->set_border_width(6);
    
    hpaned->add1(*manage(form));
    hpaned->add2(*manage(comment));
    hpaned->set_focus_chain(focuschain);
  }
  
  // Pack everything into a vbox.
  {
    toplevel->set_border_width(6);
    
    text.append("<b>");
    text.append(_("Tag Fields"));
    text.append("</b>");
    label->set_markup(text);
    
    toplevel->pack_start(*manage(selector), FALSE, FALSE);
    //toplevel->pack_start(*manage(label), FALSE, FALSE);
    toplevel->pack_start(*manage(hpaned), TRUE, TRUE);
  }
  
  // Now, bundle everything with the buttonbox.
  parent->pack_start(*manage(toplevel), TRUE, TRUE);
  parent->pack_start(*manage(buttonbox), FALSE, TRUE);
  parent->show_all();
  
  return (GtkWidget*)Glib::unwrap(parent);
}


GtkWidget* Editarea::build_vertical(void)
{
  HBox*  selector = build_selector();
  Label* label    = new Label("", 0, 0.5);
  Table* form     = build_form();
  Table* comment  = build_commentbox();
  string text;
  parent = new VBox;
  
  text.append("<b>");
  text.append(_("Tag Fields"));
  text.append("</b>");
  label->set_markup(text);
  
  parent->set_border_width(6);
  parent->pack_start(*manage(selector), FALSE, FALSE);
  parent->pack_start(*manage(label), FALSE, FALSE);
  parent->pack_start(*manage(form), FALSE, TRUE);
  parent->pack_start(*manage(comment), TRUE, TRUE);
  parent->pack_start(*manage(buttonbox), FALSE, TRUE);
  parent->set_focus_chain(focuschain);
  parent->show_all();
  
  return (GtkWidget*)Glib::unwrap(parent);
}


GtkWidget* Editarea::build(bool vertical)
{
  build_buttonbox(vertical);
  if (vertical)
    return build_vertical();
  else
    return build_horizontal();
}


Widget* Editarea::get_widget(string widgetname)
{
  Widget* widget = widgets[widgetname];
  if (!widget)
    g_warning("Editarea::get_widget(): Widget not found: %s\n",
              widgetname.c_str());
  g_assert(widget != NULL);
  return widget;
}


void Editarea::set_label_text(string widgetname, string str)
{
#ifdef _DEBUG_
  printf("Editarea::~set_label_text(): Called.\n");
#endif
  Label *label = (Label*)get_widget(widgetname);
  label->set_text(str);
}


bool Editarea::get_check_active(string widgetname)
{
  CheckButton* check = (CheckButton*)get_widget(widgetname);
  return check->get_active();
}


void Editarea::set_active(bool active)
{
  buttonbox->set_sensitive(active);
}


int Editarea::get_direction(void)
{
  ComboBoxText* combo = (ComboBoxText*)widgets["Direction"];
  return combo->get_active_row_number();
}


/******************************************************************************
 * Private
 ******************************************************************************/
HBox* Editarea::build_selector(void)
{
  HBox*         selector = new HBox;
  Label*        label    = new Label(_("Copy Direction:"), 0, 0.5);
  ComboBoxText* combo    = new ComboBoxText();
  combo->insert_text(DIRECTION_V1TOV2, _("ID3 Version 1 to ID3 Version 2"));
  combo->insert_text(DIRECTION_V2TOV1, _("ID3 Version 2 to ID3 Version 1"));
  combo->set_active(DIRECTION_V1TOV2);
  combo->signal_changed().connect(signal_direction_changed);
  widgets["Direction"] = combo;
  selector->set_spacing(12);
  selector->pack_start(*manage(label), FALSE, FALSE);
  selector->pack_start(*manage(combo), TRUE,  TRUE);
  return selector;
}


Table* Editarea::build_form(void)
{
  Table*          table  = new Table(5, 4);
  CheckButton*    check  = NULL;
  Label*          label  = NULL;
  Viewport*       view   = NULL;
  ScrolledWindow* scroll = NULL;
  HBox*           hbox1  = NULL;
  
  table->set_row_spacings(3);
  table->set_col_spacings(12);
  
  check  = new CheckButton(_("Artist:"));
  label  = new Label("", 0, 0.5);
  scroll = new ScrolledWindow;
  scroll->set_policy(POLICY_NEVER, POLICY_NEVER);
  scroll->add(*manage(label));
  view = (Viewport*)scroll->get_child();
  view->set_shadow_type(SHADOW_NONE);
  widgets["Artist:Check"] = check;
  widgets["Artist"]       = label;
  focuschain.push_back(check);
  table->attach(*manage(check),  0, 1, 0, 1, FILL, FILL);
  table->attach(*manage(scroll), 1, 4, 0, 1, FILL|EXPAND, FILL);
  
  check  = new CheckButton(_("Song:"));
  label  = new Label("", 0, 0.5);
  scroll = new ScrolledWindow;
  scroll->set_policy(POLICY_NEVER, POLICY_NEVER);
  scroll->add(*manage(label));
  view = (Viewport*)scroll->get_child();
  view->set_shadow_type(SHADOW_NONE);
  widgets["Song:Check"] = check;
  widgets["Song"]       = label;
  focuschain.push_back(check);
  table->attach(*manage(check),  0, 1, 1, 2, FILL, FILL);
  table->attach(*manage(scroll), 1, 4, 1, 2, FILL|EXPAND, FILL);
  
  check  = new CheckButton(_("Album:"));
  label  = new Label("", 0, 0.5);
  scroll = new ScrolledWindow;
  scroll->set_policy(POLICY_NEVER, POLICY_NEVER);
  scroll->add(*manage(label));
  view = (Viewport*)scroll->get_child();
  view->set_shadow_type(SHADOW_NONE);
  widgets["Album:Check"] = check;
  widgets["Album"]       = label;
  focuschain.push_back(check);
  table->attach(*manage(check),  0, 1, 2, 3, FILL, FILL);
  table->attach(*manage(scroll), 1, 4, 2, 3, FILL|EXPAND, FILL);
  
  check  = new CheckButton(_("Track:"));
  label  = new Label("", 0, 0.5);
  scroll = new ScrolledWindow;
  scroll->set_policy(POLICY_NEVER, POLICY_NEVER);
  scroll->add(*manage(label));
  view = (Viewport*)scroll->get_child();
  view->set_shadow_type(SHADOW_NONE);
  widgets["Track:Check"] = check;
  widgets["Track"]       = label;
  focuschain.push_back(check);
  table->attach(*manage(check),  0, 1, 3, 4, FILL, FILL);
  table->attach(*manage(scroll), 1, 2, 3, 4, FILL, FILL);
  
  hbox1 = new HBox;
  table->attach(*manage(hbox1), 3, 4, 3, 4, FILL|EXPAND, FILL);
  hbox1->set_size_request(80, -1);
  
  check  = new CheckButton(_("Year:"));
  label  = new Label("", 0, 0.5);
  scroll = new ScrolledWindow;
  scroll->set_policy(POLICY_NEVER, POLICY_NEVER);
  scroll->add(*manage(label));
  view = (Viewport*)scroll->get_child();
  view->set_shadow_type(SHADOW_NONE);
  widgets["Year:Check"] = check;
  widgets["Year"]       = label;
  focuschain.push_back(check);
  hbox1->pack_start(*manage(check),  FALSE, FALSE);
  hbox1->pack_start(*manage(scroll), TRUE,  TRUE);
  
  check  = new CheckButton(_("Genre:"));
  label  = new Label("", 0, 0.5);
  scroll = new ScrolledWindow;
  scroll->set_policy(POLICY_NEVER, POLICY_NEVER);
  scroll->add(*manage(label));
  view = (Viewport*)scroll->get_child();
  view->set_shadow_type(SHADOW_NONE);
  widgets["Genre:Check"] = check;
  widgets["Genre"]       = label;
  focuschain.push_back(check);
  table->attach(*manage(check),  0, 1, 4, 5, FILL, FILL);
  table->attach(*manage(scroll), 1, 2, 4, 5, FILL|EXPAND, FILL);
  
  return table;
}


Table* Editarea::build_commentbox(void)
{
  Table*          table  = new Table(2, 1);
  CheckButton*    check  = new CheckButton(_("Comment:"));
  ScrolledWindow* scroll = new ScrolledWindow;
  Viewport*       view   = NULL;
  Label*          label  = new Label;
  
  widgets["Comment:Check"] = check;
  widgets["Comment"]       = label;
  focuschain.push_back(check);
  
  label->set_line_wrap();
  label->set_selectable();
  scroll->set_policy(POLICY_AUTOMATIC, POLICY_AUTOMATIC);
  scroll->add(*manage(label));
  view = (Viewport*)scroll->get_child();
  view->set_shadow_type(SHADOW_NONE);
  
  table->attach(*manage(check),  0, 1, 0, 1, FILL, FILL);
  table->attach(*manage(scroll), 0, 1, 1, 2, FILL|EXPAND, FILL|EXPAND);
  
  return table;
}


void Editarea::build_buttonbox(bool vertical)
{
  Button* button = NULL;
  
  if (vertical)
    buttonbox = new HBox;
  else
    buttonbox = new VBox;
  
  buttonbox->set_spacing(6);
  buttonbox->set_border_width(6);
  
  Fixed* fixed = new Fixed;
  if (vertical)
    buttonbox->pack_start(*manage(fixed), TRUE, TRUE);
  else
    buttonbox->pack_end(*manage(fixed), TRUE, TRUE);
  
  // Add the "Save" button.
  button = new Button(Stock::SAVE);
  button->set_size_request(-1, 35);
  if (vertical)
    buttonbox->pack_end(*manage(button), FALSE, TRUE);
  else
    buttonbox->pack_start(*manage(button), FALSE, TRUE);
  button->signal_clicked().connect(signal_button_save_clicked);
}