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/* -*- Mode: C; indent-tabs-mode: t; c-basic-offset: 4; tab-width: 4 -*- */
/*
* viking -- GPS Data and Topo Analyzer, Explorer, and Manager
*
* Copyright (C) 2012, 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 <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;
GSList *filelist; // Files selected
} datasource_geotag_user_data_t;
/* The last used directory */
static gchar *last_folder_uri = NULL;
static gpointer datasource_geotag_init ( acq_vik_t *avt );
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, gpointer not_used );
static gboolean datasource_geotag_process ( VikTrwLayer *vtl, const gchar *cmd, const gchar *extra, BabelStatusFunc status_cb, acq_dialog_widgets_t *adw, gpointer not_used );
static void datasource_geotag_cleanup ( gpointer user_data );
VikDataSourceInterface vik_datasource_geotag_interface = {
N_("Create Waypoints from Geotagged Images"),
N_("Geotagged Images"),
VIK_DATASOURCE_ADDTOLAYER,
VIK_DATASOURCE_INPUTTYPE_NONE,
TRUE,
FALSE, // We should be able to see the data on the screen so no point in keeping the dialog open
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 ( acq_vik_t *avt )
{
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;
/* 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 */
GtkBox *box = GTK_BOX(gtk_dialog_get_content_area(GTK_DIALOG(dialog)));
gtk_box_pack_start ( box, 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, gpointer not_used )
{
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 *thread* 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, gpointer not_used )
{
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 ( adw->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 );
}
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