err.no Git - mapper/blob - src/file.c

   1 /*
   2  * This file is part of mapper
   3  *
   4  * Copyright (C) 2007 Kaj-Michael Lang
   5  * Copyright (C) 2006-2007 John Costigan.
   6  *
   7  * POI and GPS-Info code originally written by Cezary Jackiewicz.
   8  *
   9  * Default map data provided by http://www.openstreetmap.org/
  10  *
  11  * This program is free software; you can redistribute it and/or modify
  12  * it under the terms of the GNU General Public License as published by
  13  * the Free Software Foundation; either version 2 of the License, or
  14  * (at your option) any later version.
  15  *
  16  * This program is distributed in the hope that it will be useful,
  17  * but WITHOUT ANY WARRANTY; without even the implied warranty of
  18  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  19  * GNU General Public License for more details.
  20  *
  21  * You should have received a copy of the GNU General Public License along
  22  * with this program; if not, write to the Free Software Foundation, Inc.,
  23  * 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
  24  */
  25
  26 #include <config.h>
  27 #include <gtk/gtk.h>
  28 #include <libgnomevfs/gnome-vfs.h>
  29
  30 #include "hildon-mapper.h"
  31
  32 #include "path.h"
  33 #include "utils.h"
  34 #include "mapper-types.h"
  35 #include "settings.h"
  36 #include "ui-common.h"
  37 #include "hildon-wrappers.h"
  38 #include "file.h"
  39
  40 /**
  41  * Open a file for reading.
  42  */
  43 gboolean
  44 file_open(gchar **dir, gchar **new_file)
  45 {
  46 GtkWidget *dialog;
  47 gboolean success=FALSE;
  48 GtkFileFilter *filter;
  49
  50 #ifdef WITH_HILDON
  51 dialog = hildon_file_chooser_dialog_new(GTK_WINDOW(_window), GTK_FILE_CHOOSER_ACTION_OPEN);
  52 #else
  53 dialog = gtk_file_chooser_dialog_new("Open...", GTK_WINDOW(_window), GTK_FILE_CHOOSER_ACTION_OPEN,
  54                                                 GTK_STOCK_CANCEL,
  55                                                 GTK_RESPONSE_CANCEL,
  56                                                 GTK_STOCK_OPEN,
  57                                                 GTK_RESPONSE_OK, NULL);
  58 #endif
  59
  60 /* Show .gpx files only */
  61 filter=gtk_file_filter_new();
  62 gtk_file_filter_add_pattern(filter, "*.gpx");
  63 gtk_file_chooser_add_filter(GTK_FILE_CHOOSER(dialog), filter);
  64
  65 if (dir && *dir) {
  66         gtk_file_chooser_set_current_folder_uri(GTK_FILE_CHOOSER(dialog), *dir);
  67 } else {
  68         const gchar *home;
  69
  70         home=g_get_home_dir();
  71         if (home)
  72                 gtk_file_chooser_set_current_folder_uri(GTK_FILE_CHOOSER(dialog), home);
  73 }
  74
  75 *new_file=NULL;
  76
  77 if (gtk_dialog_run(GTK_DIALOG(dialog))==GTK_RESPONSE_OK) {
  78                 /* Get the selected filename. */
  79                 *new_file = gtk_file_chooser_get_uri(GTK_FILE_CHOOSER(dialog));
  80                 success=TRUE;
  81 }
  82
  83 gtk_widget_destroy(dialog);
  84 return success;
  85 }
  86
  87 /**
  88  * Open a file for writing. Return a GnomeVFSHandle to the file for writing.
  89  */
  90 gboolean
  91 file_save(gchar **dir, gchar **file, GnomeVFSHandle **vfs_handle)
  92 {
  93 GtkWidget *dialog;
  94 gboolean success=FALSE;
  95
  96 #ifdef WITH_HILDON
  97 dialog = hildon_file_chooser_dialog_new(GTK_WINDOW(_window), GTK_FILE_CHOOSER_ACTION_SAVE);
  98 #else
  99 dialog = gtk_file_chooser_dialog_new("Save...", GTK_WINDOW(_window), GTK_FILE_CHOOSER_ACTION_SAVE,
 100                                                      GTK_STOCK_CANCEL,
 101                                                      GTK_RESPONSE_CANCEL,
 102                                                      GTK_STOCK_SAVE,
 103                                                      GTK_RESPONSE_OK, NULL);
 104 gtk_file_chooser_set_do_overwrite_confirmation(GTK_FILE_CHOOSER(dialog), TRUE);
 105 #endif
 106
 107 if (dir && *dir) {
 108         gtk_file_chooser_set_current_folder_uri(GTK_FILE_CHOOSER(dialog), *dir);
 109 } else {
 110         const gchar *home;
 111
 112         home=g_get_home_dir();
 113         if (home)
 114                 gtk_file_chooser_set_current_folder_uri(GTK_FILE_CHOOSER(dialog), home);
 115 }
 116
 117 if (file && *file) {
 118         gtk_file_chooser_set_uri(GTK_FILE_CHOOSER(dialog), *file);
 119         if (strlen(*file)==0)
 120                 gtk_file_chooser_set_current_name(GTK_FILE_CHOOSER(dialog), "track.gpx");
 121 } else
 122         gtk_file_chooser_set_current_name(GTK_FILE_CHOOSER(dialog), "track.gpx");
 123
 124 if (gtk_dialog_run(GTK_DIALOG(dialog))==GTK_RESPONSE_OK) {
 125         gchar *file_uri_str;
 126         GnomeVFSResult vfs_result;
 127
 128         file_uri_str = gtk_file_chooser_get_uri(GTK_FILE_CHOOSER(dialog));
 129         vfs_result = gnome_vfs_create(vfs_handle, file_uri_str, GNOME_VFS_OPEN_WRITE, FALSE, 0664);
 130         g_free(file_uri_str);
 131
 132         if (vfs_result!=GNOME_VFS_OK) {
 133                 success=FALSE;
 134         } else {
 135                 if (dir) {
 136                         g_free(*dir);
 137                         *dir = gtk_file_chooser_get_current_folder_uri(GTK_FILE_CHOOSER(dialog));
 138                 }
 139                 if (file) {
 140                         g_free(*file);
 141                         *file = gtk_file_chooser_get_uri(GTK_FILE_CHOOSER(dialog));
 142                 }
 143                 success=TRUE;
 144         }
 145 }
 146
 147 gtk_widget_destroy(dialog);
 148 return success;
 149 }
 150
 151 gboolean
 152 file_open_get_contents(gchar **dir, gchar **buffer, guint *bytes)
 153 {
 154 gchar *file_uri_str;
 155 GnomeVFSResult vfs_result;
 156
 157 if (!file_open(dir, &file_uri_str)) {
 158         buffer=NULL;
 159         return FALSE;
 160 }
 161
 162 vfs_result=gnome_vfs_read_entire_file(file_uri_str, bytes, buffer);
 163 if (vfs_result!=GNOME_VFS_OK)
 164         return FALSE;
 165
 166 return TRUE;
 167 }