[andy/viking.git] / src / datasource_geotag.c

/* -*- Mode: C; indent-tabs-mode: t; c-basic-offset: 4; tab-width: 4 -*- */
/*
 * viking -- GPS Data and Topo Analyzer, Explorer, and Manager
 *
 * Copyright (C) 2011, Guilhem Bonnefille <guilhem.bonnefille@gmail.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 <string.h>

#include <glib/gprintf.h>
#include <glib/gi18n.h>

#include <gtk/gtk.h>

#include "viking.h"
#include "acquire.h"
#include "geotag_exif.h"

typedef struct {
	GtkWidget *files;
	VikViewport *vvp;
	GSList *filelist;  // Files selected
} datasource_geotag_user_data_t;

/* The last used directory */
static gchar *last_folder_uri = NULL;

static gpointer datasource_geotag_init( );
static void datasource_geotag_add_setup_widgets ( GtkWidget *dialog, VikViewport *vvp, gpointer user_data );
static void datasource_geotag_get_cmd_string ( gpointer user_data, gchar **babelargs_or_shellcmd, gchar **inputfile_or_inputtype );
static gboolean datasource_geotag_process ( VikTrwLayer *vtl, const gchar *cmd, const gchar *extra, BabelStatusFunc status_cb, acq_dialog_widgets_t *adw );
static void datasource_geotag_cleanup ( gpointer user_data );

VikDataSourceInterface vik_datasource_geotag_interface = {
  N_("Create Waypoints from Geotagged Images"),
  N_("Geotagged Images"),
  VIK_DATASOURCE_INTERNAL,
  VIK_DATASOURCE_ADDTOLAYER,
  VIK_DATASOURCE_INPUTTYPE_NONE,
  TRUE,
  TRUE,
  (VikDataSourceInitFunc)		        datasource_geotag_init,
  (VikDataSourceCheckExistenceFunc)	    NULL,
  (VikDataSourceAddSetupWidgetsFunc)    datasource_geotag_add_setup_widgets,
  (VikDataSourceGetCmdStringFunc)	    datasource_geotag_get_cmd_string,
  (VikDataSourceProcessFunc)		    datasource_geotag_process,
  (VikDataSourceProgressFunc)		    NULL,
  (VikDataSourceAddProgressWidgetsFunc)	NULL,
  (VikDataSourceCleanupFunc)		    datasource_geotag_cleanup,
  (VikDataSourceOffFunc)                NULL,

  NULL,
  0,
  NULL,
  NULL,
  0
};

/* See VikDataSourceInterface */
static gpointer datasource_geotag_init ( )
{
	datasource_geotag_user_data_t *user_data = g_malloc(sizeof(datasource_geotag_user_data_t));
	user_data->filelist = NULL;
	return user_data;
}

/* See VikDataSourceInterface */
static void datasource_geotag_add_setup_widgets ( GtkWidget *dialog, VikViewport *vvp, gpointer user_data )
{
	datasource_geotag_user_data_t *userdata = (datasource_geotag_user_data_t *)user_data;

	userdata->vvp = vvp;

	/* The files selector */
	userdata->files = gtk_file_chooser_widget_new ( GTK_FILE_CHOOSER_ACTION_OPEN );

	// try to make it a nice size - otherwise seems to default to something impractically small
	gtk_window_set_default_size ( GTK_WINDOW (dialog) , 600, 300 );

	if ( last_folder_uri )
		gtk_file_chooser_set_current_folder_uri ( GTK_FILE_CHOOSER(userdata->files), last_folder_uri );

	GtkFileChooser *chooser = GTK_FILE_CHOOSER ( userdata->files );

	/* Add filters */
	GtkFileFilter *filter;
	filter = gtk_file_filter_new ();
	gtk_file_filter_set_name ( filter, _("All") );
	gtk_file_filter_add_pattern ( filter, "*" );
	gtk_file_chooser_add_filter ( chooser, filter );

	filter = gtk_file_filter_new ();
	gtk_file_filter_set_name ( filter, _("JPG") );
	gtk_file_filter_add_mime_type ( filter, "image/jpeg");
	gtk_file_chooser_add_filter ( chooser, filter );

	// Default to jpgs
	gtk_file_chooser_set_filter ( chooser, filter );

	// Allow selecting more than one
	gtk_file_chooser_set_select_multiple ( chooser, TRUE );

	// Could add code to setup a default symbol (see dialog.c for symbol usage)
	//  Store in user_data type and then apply when creating the waypoints
	//  However not much point since these will have images associated with them!

	/* Packing all widgets */
	gtk_box_pack_start ( GTK_BOX(GTK_DIALOG(dialog)->vbox), userdata->files, TRUE, TRUE, 0 );

	gtk_widget_show_all ( dialog );
}

static void datasource_geotag_get_cmd_string ( gpointer user_data, gchar **babelargs_or_shellcmd, gchar **inputfile_or_inputtype )
{
	datasource_geotag_user_data_t *userdata = (datasource_geotag_user_data_t *)user_data;
	/* Retrieve the files selected */
	userdata->filelist = gtk_file_chooser_get_filenames ( GTK_FILE_CHOOSER(userdata->files) ); // Not reusable !!

	/* Memorize the directory for later use */
	g_free ( last_folder_uri );
	last_folder_uri = gtk_file_chooser_get_current_folder_uri ( GTK_FILE_CHOOSER(userdata->files) );
	last_folder_uri = g_strdup ( last_folder_uri );

	/* TODO Memorize the file filter for later use... */
	//GtkFileFilter *filter = gtk_file_chooser_get_filter ( GTK_FILE_CHOOSER(userdata->files) );

	// return some value so processing will continue
	*babelargs_or_shellcmd = g_strdup ("fake command"); // Not really used, thus no translations
}


/**
 * Process selected files and try to generate waypoints storing them in the given vtl
 */
static gboolean datasource_geotag_process ( VikTrwLayer *vtl, const gchar *cmd, const gchar *extra, BabelStatusFunc status_cb, acq_dialog_widgets_t *adw )
{
	datasource_geotag_user_data_t *user_data = (datasource_geotag_user_data_t *)adw->user_data;

	// Process selected files
	// In prinicple this loading should be quite fast and so don't need to have any progress monitoring
	GSList *cur_file = user_data->filelist;
	while ( cur_file ) {
		gchar *filename = cur_file->data;
		gchar *name;
		VikWaypoint *wp = a_geotag_create_waypoint_from_file ( filename, vik_viewport_get_coord_mode ( user_data->vvp ), &name );
		if ( wp ) {
			// Create name if geotag method didn't return one
			if ( !name )
				name = g_strdup ( a_file_basename ( filename ) );
			vik_trw_layer_filein_add_waypoint ( vtl, name, wp );
			g_free ( name );
		}
		else {
			g_warning ( _("Unable to create waypoint from %s"), filename );
		}
		g_free ( filename );
		cur_file = g_slist_next ( cur_file );
	}

	/* Free memory */
	g_slist_free ( user_data->filelist );

	// No failure
	return TRUE;
}

/* See VikDataSourceInterface */
static void datasource_geotag_cleanup ( gpointer user_data )
{
	g_free ( user_data );
}
Commit	Line	Data
f75d0233 RN	1	/* -- Mode: C; indent-tabs-mode: t; c-basic-offset: 4; tab-width: 4 -- */
	2	/*
	3	* viking -- GPS Data and Topo Analyzer, Explorer, and Manager
	4	*
	5	* Copyright (C) 2011, Guilhem Bonnefille <guilhem.bonnefille@gmail.com>
	6	*
	7	* This program is free software; you can redistribute it and/or modify
	8	* it under the terms of the GNU General Public License as published by
	9	* the Free Software Foundation; either version 2 of the License, or
	10	* (at your option) any later version.
	11	*
	12	* This program is distributed in the hope that it will be useful,
	13	* but WITHOUT ANY WARRANTY; without even the implied warranty of
	14	* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
	15	* GNU General Public License for more details.
	16	*
	17	* You should have received a copy of the GNU General Public License
	18	* along with this program; if not, write to the Free Software
	19	* Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
	20	*
	21	*/
	22	#ifdef HAVE_CONFIG_H
	23	#include "config.h"
	24	#endif
	25	#include <string.h>
	26
	27	#include <glib/gprintf.h>
	28	#include <glib/gi18n.h>
	29
	30	#include <gtk/gtk.h>
	31
	32	#include "viking.h"
	33	#include "acquire.h"
	34	#include "geotag_exif.h"
	35
	36	typedef struct {
	37	GtkWidget *files;
	38	VikViewport *vvp;
	39	GSList *filelist; // Files selected
	40	} datasource_geotag_user_data_t;
	41
	42	/* The last used directory */
	43	static gchar *last_folder_uri = NULL;
	44
	45	static gpointer datasource_geotag_init( );
	46	static void datasource_geotag_add_setup_widgets ( GtkWidget dialog, VikViewport vvp, gpointer user_data );
	47	static void datasource_geotag_get_cmd_string ( gpointer user_data, gchar babelargs_or_shellcmd, gchar inputfile_or_inputtype );
	48	static gboolean datasource_geotag_process ( VikTrwLayer vtl, const gchar cmd, const gchar extra, BabelStatusFunc status_cb, acq_dialog_widgets_t adw );
	49	static void datasource_geotag_cleanup ( gpointer user_data );
	50
	51	VikDataSourceInterface vik_datasource_geotag_interface = {
	52	N_("Create Waypoints from Geotagged Images"),
	53	N_("Geotagged Images"),
	54	VIK_DATASOURCE_INTERNAL,
	55	VIK_DATASOURCE_ADDTOLAYER,
	56	VIK_DATASOURCE_INPUTTYPE_NONE,
	57	TRUE,
	58	TRUE,
	59	(VikDataSourceInitFunc) datasource_geotag_init,
	60	(VikDataSourceCheckExistenceFunc) NULL,
	61	(VikDataSourceAddSetupWidgetsFunc) datasource_geotag_add_setup_widgets,
	62	(VikDataSourceGetCmdStringFunc) datasource_geotag_get_cmd_string,
	63	(VikDataSourceProcessFunc) datasource_geotag_process,
	64	(VikDataSourceProgressFunc) NULL,
65	(VikDataSourceAddProgressWidgetsFunc) NULL,
66	(VikDataSourceCleanupFunc) datasource_geotag_cleanup,
67	(VikDataSourceOffFunc) NULL,
68
69	NULL,
70	0,
71	NULL,
72	NULL,
73	0
74	};
75
76	/* See VikDataSourceInterface */
77	static gpointer datasource_geotag_init ( )
78	{
79	datasource_geotag_user_data_t *user_data = g_malloc(sizeof(datasource_geotag_user_data_t));
80	user_data->filelist = NULL;
81	return user_data;
82	}
83
84	/* See VikDataSourceInterface */
85	static void datasource_geotag_add_setup_widgets ( GtkWidget dialog, VikViewport vvp, gpointer user_data )
86	{
87	datasource_geotag_user_data_t userdata = (datasource_geotag_user_data_t )user_data;
88
89	userdata->vvp = vvp;
90
91	/* The files selector */
92	userdata->files = gtk_file_chooser_widget_new ( GTK_FILE_CHOOSER_ACTION_OPEN );
93
94	// try to make it a nice size - otherwise seems to default to something impractically small
95	gtk_window_set_default_size ( GTK_WINDOW (dialog) , 600, 300 );
96
97	if ( last_folder_uri )
98	gtk_file_chooser_set_current_folder_uri ( GTK_FILE_CHOOSER(userdata->files), last_folder_uri );
99
100	GtkFileChooser *chooser = GTK_FILE_CHOOSER ( userdata->files );
101
102	/* Add filters */
103	GtkFileFilter *filter;
104	filter = gtk_file_filter_new ();
105	gtk_file_filter_set_name ( filter, _("All") );
106	gtk_file_filter_add_pattern ( filter, "*" );
107	gtk_file_chooser_add_filter ( chooser, filter );
108
109	filter = gtk_file_filter_new ();
110	gtk_file_filter_set_name ( filter, _("JPG") );
111	gtk_file_filter_add_mime_type ( filter, "image/jpeg");
112	gtk_file_chooser_add_filter ( chooser, filter );
113
114	// Default to jpgs
115	gtk_file_chooser_set_filter ( chooser, filter );
116
117	// Allow selecting more than one
118	gtk_file_chooser_set_select_multiple ( chooser, TRUE );
119
120	// Could add code to setup a default symbol (see dialog.c for symbol usage)
121	// Store in user_data type and then apply when creating the waypoints
122	// However not much point since these will have images associated with them!
123
124	/* Packing all widgets */
125	gtk_box_pack_start ( GTK_BOX(GTK_DIALOG(dialog)->vbox), userdata->files, TRUE, TRUE, 0 );
126
127	gtk_widget_show_all ( dialog );
128	}
129
130	static void datasource_geotag_get_cmd_string ( gpointer user_data, gchar babelargs_or_shellcmd, gchar inputfile_or_inputtype )
131	{
132	datasource_geotag_user_data_t userdata = (datasource_geotag_user_data_t )user_data;
133	/* Retrieve the files selected */
134	userdata->filelist = gtk_file_chooser_get_filenames ( GTK_FILE_CHOOSER(userdata->files) ); // Not reusable !!
135
136	/* Memorize the directory for later use */
137	g_free ( last_folder_uri );
138	last_folder_uri = gtk_file_chooser_get_current_folder_uri ( GTK_FILE_CHOOSER(userdata->files) );
139	last_folder_uri = g_strdup ( last_folder_uri );
140
141	/* TODO Memorize the file filter for later use... */
142	//GtkFileFilter *filter = gtk_file_chooser_get_filter ( GTK_FILE_CHOOSER(userdata->files) );
143
144	// return some value so processing will continue
145	*babelargs_or_shellcmd = g_strdup ("fake command"); // Not really used, thus no translations
146	}
147
148
149	/**
150	* Process selected files and try to generate waypoints storing them in the given vtl
151	*/
152	static gboolean datasource_geotag_process ( VikTrwLayer vtl, const gchar cmd, const gchar extra, BabelStatusFunc status_cb, acq_dialog_widgets_t adw )
153	{
154	datasource_geotag_user_data_t user_data = (datasource_geotag_user_data_t )adw->user_data;
155
156	// Process selected files
157	// In prinicple this loading should be quite fast and so don't need to have any progress monitoring
158	GSList *cur_file = user_data->filelist;
159	while ( cur_file ) {
160	gchar *filename = cur_file->data;
161	gchar *name;
162	VikWaypoint *wp = a_geotag_create_waypoint_from_file ( filename, vik_viewport_get_coord_mode ( user_data->vvp ), &name );
163	if ( wp ) {
164	// Create name if geotag method didn't return one
165	if ( !name )
166	name = g_strdup ( a_file_basename ( filename ) );
167	vik_trw_layer_filein_add_waypoint ( vtl, name, wp );
168	g_free ( name );
169	}
170	else {
171	g_warning ( _("Unable to create waypoint from %s"), filename );
172	}
173	g_free ( filename );
174	cur_file = g_slist_next ( cur_file );
175	}
176
177	/* Free memory */
178	g_slist_free ( user_data->filelist );
179
180	// No failure
181	return TRUE;
182	}
183
184	/* See VikDataSourceInterface */
185	static void datasource_geotag_cleanup ( gpointer user_data )
186	{
187	g_free ( user_data );
188	}