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[andy/viking.git] / src / viktrwlayer_export.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) 2013, 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
 *
 */
#include <string.h>
#include <stdlib.h>
#include <stdio.h>
#include <glib.h>
#include <glib/gstdio.h>
#include <glib/gi18n.h>

#include "babel.h"
#include "babel_ui.h"
#include "viking.h"
#include "viktrwlayer_export.h"
#include "gpx.h"

static gchar *last_folder_uri = NULL;

void vik_trw_layer_export ( VikTrwLayer *vtl, const gchar *title, const gchar* default_name, VikTrack* trk, VikFileType_t file_type )
{
  GtkWidget *file_selector;
  const gchar *fn;
  gboolean failed = FALSE;
  file_selector = gtk_file_chooser_dialog_new (title,
                                               NULL,
                                               GTK_FILE_CHOOSER_ACTION_SAVE,
                                               GTK_STOCK_CANCEL, GTK_RESPONSE_CANCEL,
                                               GTK_STOCK_SAVE, GTK_RESPONSE_ACCEPT,
                                               NULL);
  if ( last_folder_uri )
    gtk_file_chooser_set_current_folder_uri ( GTK_FILE_CHOOSER(file_selector), last_folder_uri );

  gtk_file_chooser_set_current_name ( GTK_FILE_CHOOSER(file_selector), default_name );

  while ( gtk_dialog_run ( GTK_DIALOG(file_selector) ) == GTK_RESPONSE_ACCEPT )
  {
    fn = gtk_file_chooser_get_filename ( GTK_FILE_CHOOSER(file_selector) );
    if ( g_file_test ( fn, G_FILE_TEST_EXISTS ) == FALSE ||
         a_dialog_yes_or_no ( GTK_WINDOW(file_selector), _("The file \"%s\" exists, do you wish to overwrite it?"), a_file_basename ( fn ) ) )
    {
      g_free ( last_folder_uri );
      last_folder_uri = gtk_file_chooser_get_current_folder_uri ( GTK_FILE_CHOOSER(file_selector) );

      gtk_widget_hide ( file_selector );
      vik_window_set_busy_cursor ( VIK_WINDOW(VIK_GTK_WINDOW_FROM_LAYER(vtl)) );
      // Don't Export invisible items - unless requested on this specific track
      failed = ! a_file_export ( vtl, fn, file_type, trk, trk ? TRUE : FALSE );
      vik_window_clear_busy_cursor ( VIK_WINDOW(VIK_GTK_WINDOW_FROM_LAYER(vtl)) );
      break;
    }
  }
  gtk_widget_destroy ( file_selector );
  if ( failed )
    a_dialog_error_msg ( VIK_GTK_WINDOW_FROM_LAYER(vtl), _("The filename you requested could not be opened for writing.") );
}


/**
 * Convert the given TRW layer into a temporary GPX file and open it with the specified program
 *
 */
void vik_trw_layer_export_external_gpx ( VikTrwLayer *vtl, const gchar* external_program )
{
  // Don't Export invisible items
  static GpxWritingOptions options = { TRUE, TRUE, FALSE, FALSE };
  gchar *name_used = a_gpx_write_tmp_file ( vtl, &options );

  if ( name_used ) {
    GError *err = NULL;
    gchar *quoted_file = g_shell_quote ( name_used );
    gchar *cmd = g_strdup_printf ( "%s %s", external_program, quoted_file );
    g_free ( quoted_file );
    if ( ! g_spawn_command_line_async ( cmd, &err ) ) {
      a_dialog_error_msg_extra ( VIK_GTK_WINDOW_FROM_LAYER( vtl), _("Could not launch %s."), external_program );
      g_error_free ( err );
    }
    g_free ( cmd );
    util_add_to_deletion_list ( name_used );
    g_free ( name_used );
  }
  else
    a_dialog_error_msg (VIK_GTK_WINDOW_FROM_LAYER(vtl), _("Could not create temporary file for export.") );
}


void vik_trw_layer_export_gpsbabel ( VikTrwLayer *vtl, const gchar *title, const gchar* default_name )
{
  BabelMode mode = { 0, 0, 0, 0, 0, 0 };
  if ( g_hash_table_size (vik_trw_layer_get_routes(vtl)) ) {
      mode.routesWrite = 1;
  }
  if ( g_hash_table_size (vik_trw_layer_get_tracks(vtl)) ) {
      mode.tracksWrite = 1;
  }
  if ( g_hash_table_size (vik_trw_layer_get_waypoints(vtl)) ) {
      mode.waypointsWrite = 1;
  }

  GtkWidget *file_selector;
  const gchar *fn;
  gboolean failed = FALSE;
  file_selector = gtk_file_chooser_dialog_new (title,
                                               NULL,
                                               GTK_FILE_CHOOSER_ACTION_SAVE,
                                               GTK_STOCK_CANCEL, GTK_RESPONSE_CANCEL,
                                               GTK_STOCK_SAVE, GTK_RESPONSE_ACCEPT,
                                               NULL);
  gchar *cwd = g_get_current_dir();
  if ( cwd ) {
    gtk_file_chooser_set_current_folder ( GTK_FILE_CHOOSER(file_selector), cwd );
    g_free ( cwd );
  }

  /* Build the extra part of the widget */
  GtkWidget *babel_selector = a_babel_ui_file_type_selector_new ( mode );
  GtkWidget *label = gtk_label_new(_("File format:"));
  GtkWidget *hbox = gtk_hbox_new(FALSE, 0);
  gtk_box_pack_start ( GTK_BOX(hbox), label, TRUE, TRUE, 0 );
  gtk_box_pack_start ( GTK_BOX(hbox), babel_selector, TRUE, TRUE, 0 );
  gtk_widget_show (babel_selector);
  gtk_widget_show (label);
  gtk_widget_show_all (hbox);

  gtk_widget_set_tooltip_text( babel_selector, _("Select the file format.") );

  GtkWidget *babel_modes = a_babel_ui_modes_new(mode.tracksWrite, mode.routesWrite, mode.waypointsWrite);
  gtk_widget_show (babel_modes);

  gtk_widget_set_tooltip_text( babel_modes, _("Select the information to process.\n"
      "Warning: the behavior of these switches is highly dependent of the file format selected.\n"
      "Please, refer to GPSbabel if unsure.") );

  GtkWidget *vbox = gtk_vbox_new(FALSE, 0);
  gtk_box_pack_start ( GTK_BOX(vbox), hbox, TRUE, TRUE, 0 );
  gtk_box_pack_start ( GTK_BOX(vbox), babel_modes, TRUE, TRUE, 0 );
  gtk_widget_show_all (vbox);

  gtk_file_chooser_set_extra_widget (GTK_FILE_CHOOSER(file_selector), vbox);

  /* Add some dynamic: only allow dialog's validation when format selection is done */
  g_signal_connect (babel_selector, "changed", G_CALLBACK(a_babel_ui_type_selector_dialog_sensitivity_cb), file_selector);
  /* Manually call the callback to fix the state */
  a_babel_ui_type_selector_dialog_sensitivity_cb ( GTK_COMBO_BOX(babel_selector), file_selector);

  /* Set possible name of the file */
  gtk_file_chooser_set_current_name (GTK_FILE_CHOOSER(file_selector), default_name);

  while ( gtk_dialog_run ( GTK_DIALOG(file_selector) ) == GTK_RESPONSE_ACCEPT )
  {
    fn = gtk_file_chooser_get_filename (GTK_FILE_CHOOSER(file_selector) );
    if ( g_file_test ( fn, G_FILE_TEST_EXISTS ) == FALSE ||
         a_dialog_yes_or_no ( GTK_WINDOW(file_selector), _("The file \"%s\" exists, do you wish to overwrite it?"), a_file_basename ( fn ) ) )
    {
      BabelFile *active = a_babel_ui_file_type_selector_get(babel_selector);
      if (active == NULL) {
          a_dialog_error_msg ( VIK_GTK_WINDOW_FROM_LAYER(vtl), _("You did not select a valid file format.") );
      } else {
        gtk_widget_hide ( file_selector );
        vik_window_set_busy_cursor ( VIK_WINDOW(VIK_GTK_WINDOW_FROM_LAYER(vtl)) );
        gboolean tracks, routes, waypoints;
        a_babel_ui_modes_get( babel_modes, &tracks, &routes, &waypoints );
        failed = ! a_file_export_babel ( vtl, fn, active->name, tracks, routes, waypoints );
        vik_window_clear_busy_cursor ( VIK_WINDOW(VIK_GTK_WINDOW_FROM_LAYER(vtl)) );
        break;
      }
    }
  }
  //babel_ui_selector_destroy(babel_selector);
  gtk_widget_destroy ( file_selector );
  if ( failed )
    a_dialog_error_msg ( VIK_GTK_WINDOW_FROM_LAYER(vtl), _("The filename you requested could not be opened for writing.") );
}