/* -*- Mode: C; indent-tabs-mode: t; c-basic-offset: 4; tab-width: 4 -*- */
/*
 * viking -- GPS Data and Topo Analyzer, Explorer, and Manager
 *
 * Copyright (C) 2013, Rob Norris <rw_norris@hotmail.com>
 *
 * 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
 *
 */

#ifdef HAVE_CONFIG_H
#include "config.h"
#endif

#include "vikexttools.h"

#include <string.h>

#include <glib/gi18n.h>

#define VIK_TOOL_DATASOURCE_KEY "vik-datasource-tool"

static GList *ext_tool_datasources_list = NULL;

void vik_ext_tool_datasources_register ( VikExtTool *tool )
{
	if ( IS_VIK_EXT_TOOL( tool ) )
		ext_tool_datasources_list = g_list_append ( ext_tool_datasources_list, g_object_ref ( tool ) );
}

void vik_ext_tool_datasources_unregister_all ()
{
	g_list_foreach ( ext_tool_datasources_list, (GFunc) g_object_unref, NULL );
}

static void ext_tool_datasources_open_cb ( GtkWidget *widget, VikWindow *vw )
{
	gpointer ptr = g_object_get_data ( G_OBJECT(widget), VIK_TOOL_DATASOURCE_KEY );
	VikExtTool *ext_tool = VIK_EXT_TOOL ( ptr );
	vik_ext_tool_open ( ext_tool, vw );
}

/**
 * Add to any menu
 *  mostly for allowing to assign for TrackWaypoint layer menus
 */
void vik_ext_tool_datasources_add_menu_items_to_menu ( VikWindow *vw, GtkMenu *menu )
{
	GList *iter;
	for (iter = ext_tool_datasources_list; iter; iter = iter->next) {
		VikExtTool *ext_tool = NULL;
		gchar *label = NULL;
		ext_tool = VIK_EXT_TOOL ( iter->data );
		label = vik_ext_tool_get_label ( ext_tool );
		if ( label ) {
			GtkWidget *item = NULL;
			item = gtk_menu_item_new_with_label ( _(label) );
			g_free ( label ); label = NULL;
			// Store tool's ref into the menu entry
			g_object_set_data ( G_OBJECT(item), VIK_TOOL_DATASOURCE_KEY, ext_tool );
			g_signal_connect ( G_OBJECT(item), "activate", G_CALLBACK(ext_tool_datasources_open_cb), vw );
			gtk_menu_shell_append (GTK_MENU_SHELL (menu), item);
			gtk_widget_show ( item );
		}
	}
}

/**
 * Adds to the File->Acquire menu only
 */
void vik_ext_tool_datasources_add_menu_items ( VikWindow *vw, GtkUIManager *uim )
{
	GtkWidget *widget = gtk_ui_manager_get_widget ( uim, "/MainMenu/File/Acquire/" );
	GtkMenu *menu = GTK_MENU ( gtk_menu_item_get_submenu ( GTK_MENU_ITEM(widget) ) );
	vik_ext_tool_datasources_add_menu_items_to_menu ( vw, menu );
	gtk_widget_show ( widget );
}