/*
 * "Software pw3270, desenvolvido com base nos códigos fontes do WC3270  e X3270
 * (Paul Mattes Paul.Mattes@usa.net), de emulação de terminal 3270 para acesso a
 * aplicativos mainframe. Registro no INPI sob o nome G3270.
 *
 * Copyright (C) <2008> <Banco do Brasil S.A.>
 *
 * Este programa é software livre. Você pode redistribuí-lo e/ou modificá-lo sob
 * os termos da GPL v.2 - Licença Pública Geral  GNU,  conforme  publicado  pela
 * Free Software Foundation.
 *
 * Este programa é distribuído na expectativa de  ser  útil,  mas  SEM  QUALQUER
 * GARANTIA; sem mesmo a garantia implícita de COMERCIALIZAÇÃO ou  de  ADEQUAÇÃO
 * A QUALQUER PROPÓSITO EM PARTICULAR. Consulte a Licença Pública Geral GNU para
 * obter mais detalhes.
 *
 * Você deve ter recebido uma cópia da Licença Pública Geral GNU junto com este
 * programa; se não, escreva para a Free Software Foundation, Inc., 51 Franklin
 * St, Fifth Floor, Boston, MA  02110-1301  USA
 *
 * Este programa está nomeado como - e possui - linhas de código.
 *
 * Contatos:
 *
 * perry.werneck@gmail.com	(Alexandre Perry de Souza Werneck)
 * erico.mendonca@gmail.com	(Erico Mascarenhas Mendonça)
 *
 */

 #include "private.h"
 #include <pw3270.h>
 #include <pw3270/actions.h>
 #include <pw3270/settings.h>
 #include <pw3270/application.h>
 #include <v3270/dialogs.h>

 static void load(GtkWidget *widget, PW3270SettingsPrivate *settings);
 static void apply(GtkWidget *widget, PW3270SettingsPrivate *settings);

/*--[ Constants ]------------------------------------------------------------------------------------*/

  struct _PW3270SettingsPrivate {
	GtkWidget * views[3];
	GtkTreeModel * model;
 };

 static const struct _views {
	const char * label;
	gint left;
	gint top;
	gint height;
 } views[] = {
	{
		.label = N_("Left"),
		.left = 0,
		.top = 0,
		.height = 4
	},
	{
		.label = N_("Right"),
		.left = 0,
		.top = 6,
		.height = 4
	},
	{
		.label = N_("Available"),
		.left = 2,
		.top = 0,
		.height = 10
	}
 };

 /*--[ Implement ]------------------------------------------------------------------------------------*/

 static void selection_changed(GtkTreeSelection *selection, GtkWidget *button) {
	gtk_widget_set_sensitive(button,gtk_tree_selection_count_selected_rows(selection) > 0);
 }

 GtkWidget * pw3270_header_settings_new() {

 	size_t ix;

	// Create page widget.
	PW3270Settings 	* settings = pw3270_settings_new();
	settings->label = _("Title bar");
	settings->title = _("Setup title bar icons");
	settings->apply = apply;
	settings->load = load;

	// Create private data.
	PW3270SettingsPrivate * page = settings->settings = g_new0(PW3270SettingsPrivate,1);

	// Create dialog grid
	GtkGrid * grid = GTK_GRID(gtk_grid_new());
	gtk_grid_set_row_homogeneous(grid,FALSE);

	gtk_grid_attach(
		GTK_GRID(settings),
		v3270_dialog_section_new(_("Itens"), _("Select the title bar itens"), GTK_WIDGET(grid)),
		0,0,4,3
	);

	//
	// Create views
	//
	{
		GtkTreeSelection * selection;

		for(ix = 0; ix < G_N_ELEMENTS(page->views); ix++) {

			GtkWidget * label = gtk_label_new(gettext(views[ix].label));
			gtk_label_set_xalign(GTK_LABEL(label),0);

			gtk_grid_attach(
				grid,
				label,
				views[ix].left,
				views[ix].top,
				1,1
			);

			page->views[ix] = pw3270_action_view_new();

			selection = gtk_tree_view_get_selection(GTK_TREE_VIEW(page->views[ix]));
			gtk_tree_selection_set_mode(selection, GTK_SELECTION_MULTIPLE);

			GtkWidget * box = gtk_scrolled_window_new(NULL,NULL);
			gtk_scrolled_window_set_policy(GTK_SCROLLED_WINDOW(box),GTK_POLICY_AUTOMATIC,GTK_POLICY_AUTOMATIC);
			gtk_container_add(GTK_CONTAINER(box),page->views[ix]);

			gtk_grid_attach(
				grid,
				box,
				views[ix].left,
				views[ix].top+1,
				1,
				views[ix].height
			);

		}

		gtk_tree_view_set_reorderable(GTK_TREE_VIEW(page->views[0]),TRUE);
		gtk_tree_view_set_reorderable(GTK_TREE_VIEW(page->views[1]),TRUE);
		gtk_tree_sortable_set_sort_column_id(GTK_TREE_SORTABLE(gtk_tree_view_get_model(GTK_TREE_VIEW(page->views[1]))), GTK_TREE_SORTABLE_DEFAULT_SORT_COLUMN_ID, GTK_SORT_ASCENDING);

	}

	// Create buttons
	{
		static const gchar * icon_names[] = {
			"go-next",
			"go-previous",
			"go-next",
			"go-previous"
		};

		GtkWidget *buttons[G_N_ELEMENTS(icon_names)];

		for(ix = 0; ix < G_N_ELEMENTS(icon_names); ix++) {
			buttons[ix] = gtk_button_new_from_icon_name(icon_names[ix],GTK_ICON_SIZE_DND);

			gtk_widget_set_focus_on_click(buttons[ix],FALSE);
			gtk_button_set_relief(GTK_BUTTON(buttons[ix]),GTK_RELIEF_NONE);
			gtk_widget_set_sensitive(buttons[ix],FALSE);

		}

		g_signal_connect(
			gtk_tree_view_get_selection(GTK_TREE_VIEW(page->views[0])),
			"changed",
			G_CALLBACK(selection_changed),
			buttons[0]
		);

		g_signal_connect(
			gtk_tree_view_get_selection(GTK_TREE_VIEW(page->views[1])),
			"changed",
			G_CALLBACK(selection_changed),
			buttons[2]
		);

		g_signal_connect(
			gtk_tree_view_get_selection(GTK_TREE_VIEW(page->views[2])),
			"changed",
			G_CALLBACK(selection_changed),
			buttons[1]
		);

		g_signal_connect(
			gtk_tree_view_get_selection(GTK_TREE_VIEW(page->views[2])),
			"changed",
			G_CALLBACK(selection_changed),
			buttons[3]
		);


		for(ix = 0; ix < 2; ix++) {
			GtkWidget * box = gtk_button_box_new(GTK_ORIENTATION_VERTICAL);
			gtk_widget_set_hexpand(box,FALSE);
			gtk_widget_set_vexpand(box,FALSE);

			gtk_box_pack_start(GTK_BOX(box),buttons[ix*2],FALSE,FALSE,0);
			gtk_box_pack_end(GTK_BOX(box),buttons[(ix*2)+1],FALSE,FALSE,0);

			gtk_grid_attach(
				grid,
				box,
				views[ix].left+1,
				views[ix].top+2,
				1,
				2
			);


		}

	}


	gtk_widget_show_all(GTK_WIDGET(settings));
	return GTK_WIDGET(settings);
 }

 void load(GtkWidget *widget, PW3270SettingsPrivate *page) {

 	// Populate views
	Pw3270ActionList * action_list = pw3270_action_list_new(GTK_APPLICATION(g_application_get_default()));

  	pw3270_action_view_set_actions(page->views[0], action_list);
 	pw3270_action_view_set_actions(page->views[1], action_list);
 	pw3270_action_view_set_actions(page->views[2], action_list);

	pw3270_action_list_free(action_list);

 }

 void apply(GtkWidget *widget, PW3270SettingsPrivate *settings) {
 }