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** Copyright (C) 2003-2006 Teus Benschop.
** 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
** 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.

#include "libraries.h"
#include <glib.h>
#include "dialogparallelbible.h"
#include "utilities.h"
#include "projectutils.h"
#include "directories.h"
#include "combobox.h"
#include "dialogselectchapters.h"
#include "portion_utils.h"
#include "generalconfig.h"

ParallelBibleDialog::ParallelBibleDialog (int dummy):
  genconfig (0)
  parallelbibledialog = gtk_dialog_new ();
  gtk_window_set_title (GTK_WINDOW (parallelbibledialog), "Parallel Bible");
  gtk_window_set_position (GTK_WINDOW (parallelbibledialog), GTK_WIN_POS_CENTER_ON_PARENT);
  gtk_window_set_modal (GTK_WINDOW (parallelbibledialog), TRUE);

  dialog_vbox1 = GTK_DIALOG (parallelbibledialog)->vbox;
  gtk_widget_show (dialog_vbox1);

  vbox1 = gtk_vbox_new (FALSE, 2);
  gtk_widget_show (vbox1);
  gtk_box_pack_start (GTK_BOX (dialog_vbox1), vbox1, FALSE, FALSE, 0);

  label12 = gtk_label_new ("Parallel Bible.\n"
                           "This prints worksheets with parallel versions on it.\n"
                           "Each verse of one book in your project gets the parallel verses of other projects printed below it.");
  gtk_widget_show (label12);
  gtk_box_pack_start (GTK_BOX (vbox1), label12, FALSE, FALSE, 0);
  gtk_misc_set_alignment (GTK_MISC (label12), 0, 0.5);

  hseparator1 = gtk_hseparator_new ();
  gtk_widget_show (hseparator1);
  gtk_box_pack_start (GTK_BOX (vbox1), hseparator1, TRUE, TRUE, 0);

  hbox3 = gtk_hbox_new (FALSE, 2);
  gtk_widget_show (hbox3);
  gtk_box_pack_start (GTK_BOX (vbox1), hbox3, TRUE, TRUE, 0);

  label13 = gtk_label_new ("First project:");
  gtk_widget_show (label13);
  gtk_box_pack_start (GTK_BOX (hbox3), label13, FALSE, FALSE, 0);

  label_main_project = gtk_label_new (genconfig.project().c_str());
  gtk_widget_show (label_main_project);
  gtk_box_pack_start (GTK_BOX (hbox3), label_main_project, FALSE, FALSE, 0);

  hbox4 = gtk_hbox_new (FALSE, 2);
  gtk_widget_show (hbox4);
  gtk_box_pack_start (GTK_BOX (vbox1), hbox4, TRUE, TRUE, 0);

  label16 = gtk_label_new ("Book:");
  gtk_widget_show (label16);
  gtk_box_pack_start (GTK_BOX (hbox4), label16, FALSE, FALSE, 0);

  label_book = gtk_label_new (genconfig.book().c_str());
  gtk_widget_show (label_book);
  gtk_box_pack_start (GTK_BOX (hbox4), label_book, FALSE, FALSE, 0);

  hbox10 = gtk_hbox_new (FALSE, 4);
  gtk_widget_show (hbox10);
  gtk_box_pack_start (GTK_BOX (vbox1), hbox10, FALSE, FALSE, 0);

  label19 = gtk_label_new ("Portion:");
  gtk_widget_show (label19);
  gtk_box_pack_start (GTK_BOX (hbox10), label19, FALSE, FALSE, 0);

  label_chapters = gtk_label_new ("");
  gtk_widget_show (label_chapters);
  gtk_box_pack_start (GTK_BOX (hbox10), label_chapters, FALSE, FALSE, 0);

  button_chapters = gtk_button_new ();
  gtk_widget_show (button_chapters);
  gtk_box_pack_start (GTK_BOX (hbox10), button_chapters, FALSE, FALSE, 0);

  alignment3 = gtk_alignment_new (0.5, 0.5, 0, 0);
  gtk_widget_show (alignment3);
  gtk_container_add (GTK_CONTAINER (button_chapters), alignment3);

  hbox11 = gtk_hbox_new (FALSE, 2);
  gtk_widget_show (hbox11);
  gtk_container_add (GTK_CONTAINER (alignment3), hbox11);

  image3 = gtk_image_new_from_stock ("gtk-preferences", GTK_ICON_SIZE_BUTTON);
  gtk_widget_show (image3);
  gtk_box_pack_start (GTK_BOX (hbox11), image3, FALSE, FALSE, 0);

  label20 = gtk_label_new_with_mnemonic ("C_hange");
  gtk_widget_show (label20);
  gtk_box_pack_start (GTK_BOX (hbox11), label20, FALSE, FALSE, 0);

  hseparator2 = gtk_hseparator_new ();
  gtk_widget_show (hseparator2);
  gtk_box_pack_start (GTK_BOX (vbox1), hseparator2, TRUE, TRUE, 0);

  label15 = gtk_label_new ("Additional projects:");
  gtk_widget_show (label15);
  gtk_box_pack_start (GTK_BOX (vbox1), label15, FALSE, FALSE, 0);
  gtk_misc_set_alignment (GTK_MISC (label15), 0, 0.5);

  hseparator4 = gtk_hseparator_new ();
  gtk_widget_show (hseparator4);
  gtk_box_pack_start (GTK_BOX (vbox1), hseparator4, TRUE, TRUE, 0);

  hbox7 = gtk_hbox_new (FALSE, 0);
  gtk_widget_show (hbox7);
  gtk_box_pack_start (GTK_BOX (vbox1), hbox7, TRUE, TRUE, 0);

  button_add = gtk_button_new ();
  gtk_widget_show (button_add);
  gtk_box_pack_start (GTK_BOX (hbox7), button_add, FALSE, FALSE, 0);

  alignment2 = gtk_alignment_new (0.5, 0.5, 0, 0);
  gtk_widget_show (alignment2);
  gtk_container_add (GTK_CONTAINER (button_add), alignment2);

  hbox8 = gtk_hbox_new (FALSE, 2);
  gtk_widget_show (hbox8);
  gtk_container_add (GTK_CONTAINER (alignment2), hbox8);

  image2 = gtk_image_new_from_stock ("gtk-add", GTK_ICON_SIZE_BUTTON);
  gtk_widget_show (image2);
  gtk_box_pack_start (GTK_BOX (hbox8), image2, FALSE, FALSE, 0);

  label18 = gtk_label_new_with_mnemonic ("_Add project");
  gtk_widget_show (label18);
  gtk_box_pack_start (GTK_BOX (hbox8), label18, FALSE, FALSE, 0);

  hseparator5 = gtk_hseparator_new ();
  gtk_widget_show (hseparator5);
  gtk_box_pack_start (GTK_BOX (vbox1), hseparator5, TRUE, TRUE, 0);

  checkbutton_keep_together = gtk_check_button_new_with_mnemonic ("_Keep all parallel verses together on the page");
  gtk_widget_show (checkbutton_keep_together);
  gtk_box_pack_start (GTK_BOX (vbox1), checkbutton_keep_together, FALSE, FALSE, 0);

  checkbutton_include_verse0 = gtk_check_button_new_with_mnemonic ("_Include verses 0");
  gtk_widget_show (checkbutton_include_verse0);
  gtk_box_pack_start (GTK_BOX (vbox1), checkbutton_include_verse0, FALSE, FALSE, 0);

  dialog_action_area1 = GTK_DIALOG (parallelbibledialog)->action_area;
  gtk_widget_show (dialog_action_area1);
  gtk_button_box_set_layout (GTK_BUTTON_BOX (dialog_action_area1), GTK_BUTTONBOX_END);

  cancelbutton = gtk_button_new_from_stock ("gtk-cancel");
  gtk_widget_show (cancelbutton);
  gtk_dialog_add_action_widget (GTK_DIALOG (parallelbibledialog), cancelbutton, GTK_RESPONSE_CANCEL);

  okbutton = gtk_button_new_from_stock ("gtk-ok");
  gtk_widget_show (okbutton);
  gtk_dialog_add_action_widget (GTK_DIALOG (parallelbibledialog), okbutton, GTK_RESPONSE_OK);

  g_signal_connect ((gpointer) button_chapters, "clicked",
                    G_CALLBACK (on_button_chapters_clicked),
  g_signal_connect ((gpointer) button_add, "clicked",
                    G_CALLBACK (on_button_add_clicked),
  g_signal_connect ((gpointer) okbutton, "clicked",
                    G_CALLBACK (on_okbutton_clicked),

  gtk_widget_grab_default (okbutton);
  gtk_widget_grab_focus (okbutton);
  // Set the gui.
  vector<ustring> versions = genconfig.parallel_bible_projects ();
  for (unsigned int i = 0; i < versions.size(); i++) {
    on_button_add (versions[i]);
  gtk_toggle_button_set_active (GTK_TOGGLE_BUTTON (checkbutton_keep_together), genconfig.parallel_bible_keep_verses_together());
  unsigned int chapter_from, chapter_to;
  ustring verse_from, verse_to;
  select_portion_get_values (genconfig.project(), genconfig.book(), 
                             chapter_from, verse_from, chapter_to, verse_to);
  gtk_label_set_text (GTK_LABEL (label_chapters), 
    select_portion_get_label (genconfig.project(), genconfig.book(), 
                              chapter_from, verse_from, chapter_to, verse_to).c_str());
  gtk_toggle_button_set_active (GTK_TOGGLE_BUTTON (checkbutton_include_verse0), genconfig.parallel_bible_include_verse_zero());

ParallelBibleDialog::~ParallelBibleDialog ()
  gtk_widget_destroy (parallelbibledialog);

int ParallelBibleDialog::run ()
  return gtk_dialog_run (GTK_DIALOG (parallelbibledialog));

void ParallelBibleDialog::on_okbutton_clicked (GtkButton *button, gpointer user_data)
  ((ParallelBibleDialog *) user_data)->on_okbutton ();

void ParallelBibleDialog::on_okbutton ()
  // Save values.
  vector<ustring> projects;
  for (unsigned int i = 0; i < comboboxes.size(); i++) 
    projects.push_back (combobox_get_active_string (comboboxes[i]));
  genconfig.parallel_bible_projects_set (projects);
  genconfig.parallel_bible_keep_verses_together_set (gtk_toggle_button_get_active (GTK_TOGGLE_BUTTON (checkbutton_keep_together)));
  genconfig.parallel_bible_chapters_verses_set (gtk_label_get_text (GTK_LABEL (label_chapters))); 
  genconfig.parallel_bible_include_verse_zero_set (gtk_toggle_button_get_active (GTK_TOGGLE_BUTTON (checkbutton_include_verse0)));

void ParallelBibleDialog::on_button_additional_project_clicked (GtkButton *button, gpointer user_data)
  ((ParallelBibleDialog *) user_data)->on_button_additional_project (button);

void ParallelBibleDialog::on_button_additional_project (GtkButton *button)
// Removes an "additional" project.
  // Get the offset of the widget to remove.
  int widget_offset = -1;
  for (unsigned int i = 0; i < buttons.size(); i++) {
    if (GTK_WIDGET (button) == buttons[i])
      widget_offset = i;
  // Widget not found: bail out.
  if (widget_offset < 0)
  // Destroy the widgets.
  gtk_widget_destroy (hboxes[widget_offset]);
  // Remove widget's pointers.
  vector_remove_content (hboxes, widget_offset);
  vector_remove_content (comboboxes, widget_offset);
  vector_remove_content (buttons, widget_offset);
  vector_remove_content (labels, widget_offset);
  // Rewrite the labels.
  rewrite_button_labels ();

void ParallelBibleDialog::on_button_add_clicked (GtkButton *button, gpointer user_data)
  ((ParallelBibleDialog *) user_data)->on_button_add ("");

void ParallelBibleDialog::on_button_add (const ustring& project)
// Adds a new project to the gui.
  // Get list of all projects.
  vector<ustring> projects = projects_get_all ();
  // Only add the project if it exists.
  if (!project.empty()) {
    if (!project_exists (project)) {

  // All the widgets we're going to insert.  
  GtkWidget *hbox5;
  GtkWidget *label_additional_project;
  GtkWidget *combobox_additional_project;
  GtkWidget *button_additional_project;
  GtkWidget *alignment1;
  GtkWidget *hbox6;
  GtkWidget *image1;
  GtkWidget *label17;
  // Build GUI.
  hbox5 = gtk_hbox_new (FALSE, 4);
  gtk_widget_show (hbox5);
  gtk_box_pack_start (GTK_BOX (vbox1), hbox5, TRUE, TRUE, 0);

  label_additional_project = gtk_label_new_with_mnemonic ("");
  gtk_widget_show (label_additional_project);
  gtk_box_pack_start (GTK_BOX (hbox5), label_additional_project, FALSE, FALSE, 0);

  combobox_additional_project = gtk_combo_box_new_text ();
  gtk_widget_show (combobox_additional_project);
  gtk_box_pack_start (GTK_BOX (hbox5), combobox_additional_project, TRUE, TRUE, 0);

  button_additional_project = gtk_button_new ();
  gtk_widget_show (button_additional_project);
  gtk_box_pack_start (GTK_BOX (hbox5), button_additional_project, FALSE, FALSE, 0);

  alignment1 = gtk_alignment_new (0.5, 0.5, 0, 0);
  gtk_widget_show (alignment1);
  gtk_container_add (GTK_CONTAINER (button_additional_project), alignment1);

  hbox6 = gtk_hbox_new (FALSE, 2);
  gtk_widget_show (hbox6);
  gtk_container_add (GTK_CONTAINER (alignment1), hbox6);

  image1 = gtk_image_new_from_stock ("gtk-remove", GTK_ICON_SIZE_BUTTON);
  gtk_widget_show (image1);
  gtk_box_pack_start (GTK_BOX (hbox6), image1, FALSE, FALSE, 0);

  label17 = gtk_label_new_with_mnemonic ("Remove");
  gtk_widget_show (label17);
  gtk_box_pack_start (GTK_BOX (hbox6), label17, FALSE, FALSE, 0);

  g_signal_connect ((gpointer) button_additional_project, "clicked",
                    G_CALLBACK (on_button_additional_project_clicked),
  gtk_label_set_mnemonic_widget (GTK_LABEL (label_additional_project), combobox_additional_project);

  gtk_box_reorder_child (GTK_BOX (vbox1), hbox5, hboxes.size() + 7);

  // Load the projects and set the active one.
  combobox_set_strings (combobox_additional_project, projects);
  if (!project.empty())
    combobox_set_string (combobox_additional_project, project);
    combobox_set_string (combobox_additional_project, projects[0]);

  // Store the relevant widgets.
  hboxes.push_back (hbox5);
  labels.push_back (label_additional_project);
  comboboxes.push_back (combobox_additional_project);
  buttons.push_back (button_additional_project);
  // Reorder the accelerators on the remove buttons.
  rewrite_button_labels ();

void ParallelBibleDialog::vector_remove_content (vector<GtkWidget *>& container, int offset)
  vector<GtkWidget *>::iterator iter;
  iter = container.begin();
  for (int i = 0; i < offset; i++)
  container.erase (iter);    

void ParallelBibleDialog::rewrite_button_labels ()
// Rewrites the labels on the buttons, in particular the accelerators, so that 
// the order is from 1 ... x.
  for (unsigned int i = 0; i < buttons.size(); i++) {
    ustring label = "_" + convert_to_string (i + 1);
    gtk_label_set_text_with_mnemonic (GTK_LABEL (labels[i]), label.c_str());

void ParallelBibleDialog::on_button_chapters_clicked (GtkButton *button, gpointer user_data)
  ((ParallelBibleDialog *) user_data)->on_button_chapters ();

void ParallelBibleDialog::on_button_chapters ()
  SelectChaptersDialog dialog (genconfig.project(), genconfig.book(), gtk_label_get_text (GTK_LABEL (label_chapters)));
  if (dialog.run() == GTK_RESPONSE_OK) {
    gtk_label_set_text (GTK_LABEL (label_chapters), dialog.new_selection.c_str());

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