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 #define _GNU_SOURCE
  27
  28 #include <config.h>
  29 #include <gtk/gtk.h>
  30 #include <libgnomevfs/gnome-vfs.h>
  31
  32 #include "hildon-mapper.h"
  33
  34 #include "path.h"
  35 #include "utils.h"
  36 #include "mapper-types.h"
  37 #include "settings.h"
  38 #include "ui-common.h"
  39 #include "hildon-wrappers.h"
  40 #include "file.h"
  41
  42 /**
  43  * Open a file for reading.
  44  */
  45 gboolean
  46 file_open(gchar **dir, gchar **new_file)
  47 {
  48 GtkWidget *dialog;
  49 gboolean success=FALSE;
  50 GtkFileFilter *filter;
  51
  52 #ifdef WITH_HILDON
  53 dialog = hildon_file_chooser_dialog_new(GTK_WINDOW(_window), GTK_FILE_CHOOSER_ACTION_OPEN);
  54 #else
  55 dialog = gtk_file_chooser_dialog_new("Open...", GTK_WINDOW(_window), GTK_FILE_CHOOSER_ACTION_OPEN,
  56                                                 GTK_STOCK_CANCEL,
  57                                                 GTK_RESPONSE_CANCEL,
  58                                                 GTK_STOCK_OPEN,
  59                                                 GTK_RESPONSE_OK, NULL);
  60 #endif
  61
  62 /* Show .gpx files only */
  63 filter=gtk_file_filter_new();
  64 gtk_file_filter_add_pattern(filter, "*.gpx");
  65 gtk_file_chooser_add_filter(GTK_FILE_CHOOSER(dialog), filter);
  66
  67 if (dir && *dir) {
  68         gtk_file_chooser_set_current_folder_uri(GTK_FILE_CHOOSER(dialog), *dir);
  69 } else {
  70         gtk_file_chooser_set_current_folder_uri(GTK_FILE_CHOOSER(dialog), g_get_home_dir());
  71 }
  72
  73 *new_file=NULL;
  74
  75 if (gtk_dialog_run(GTK_DIALOG(dialog))==GTK_RESPONSE_OK) {
  76                 /* Get the selected filename. */
  77                 *new_file = gtk_file_chooser_get_uri(GTK_FILE_CHOOSER(dialog));
  78                 g_printf("file: %s\n", *new_file);
  79                 success=TRUE;
  80 }
  81
  82 gtk_widget_destroy(dialog);
  83 return success;
  84 }
  85
  86 /**
  87  * Open a file for writing. Return a GnomeVFSHandle to the file for writing.
  88  */
  89 gboolean
  90 file_save(gchar **dir, gchar **file, GnomeVFSHandle **vfs_handle)
  91 {
  92 GtkWidget *dialog;
  93 gboolean success=FALSE;
  94
  95 #ifdef WITH_HILDON
  96 dialog = hildon_file_chooser_dialog_new(GTK_WINDOW(_window), GTK_FILE_CHOOSER_ACTION_SAVE);
  97 #else
  98 dialog = gtk_file_chooser_dialog_new("Save...", GTK_WINDOW(_window), GTK_FILE_CHOOSER_ACTION_SAVE,
  99                                                      GTK_STOCK_CANCEL,
 100                                                      GTK_RESPONSE_CANCEL,
 101                                                      GTK_STOCK_SAVE,
 102                                                      GTK_RESPONSE_OK, NULL);
 103 gtk_file_chooser_set_do_overwrite_confirmation(GTK_FILE_CHOOSER(dialog), TRUE);
 104 #endif
 105
 106 if (dir && *dir) {
 107         gtk_file_chooser_set_current_folder_uri(GTK_FILE_CHOOSER(dialog), *dir);
 108 } else {
 109         gtk_file_chooser_set_current_folder_uri(GTK_FILE_CHOOSER(dialog), g_get_home_dir());
 110 }
 111
 112 if (file && *file)
 113         gtk_file_chooser_set_uri(GTK_FILE_CHOOSER(dialog), *file);
 114 else
 115         gtk_file_chooser_set_uri(GTK_FILE_CHOOSER(dialog), "track.gpx");
 116
 117 if (gtk_dialog_run(GTK_DIALOG(dialog))==GTK_RESPONSE_OK) {
 118         gchar *file_uri_str;
 119         GnomeVFSResult vfs_result;
 120
 121         file_uri_str = gtk_file_chooser_get_uri(GTK_FILE_CHOOSER(dialog));
 122         vfs_result = gnome_vfs_create(vfs_handle, file_uri_str, GNOME_VFS_OPEN_WRITE, FALSE, 0664);
 123         g_free(file_uri_str);
 124
 125         if (vfs_result!=GNOME_VFS_OK) {
 126                 success=FALSE;
 127         } else {
 128                 if (dir) {
 129                         g_free(*dir);
 130                         *dir = gtk_file_chooser_get_current_folder_uri(GTK_FILE_CHOOSER(dialog));
 131                 }
 132                 if (file) {
 133                         g_free(*file);
 134                         *file = gtk_file_chooser_get_uri(GTK_FILE_CHOOSER(dialog));
 135                 }
 136                 success=TRUE;
 137         }
 138 }
 139
 140 gtk_widget_destroy(dialog);
 141 return success;
 142 }
 143
 144 gboolean
 145 file_open_get_contents(gchar **dir, gchar **buffer, guint *bytes)
 146 {
 147 gchar *file_uri_str;
 148 GnomeVFSResult vfs_result;
 149
 150 if (!file_open(dir, &file_uri_str)) {
 151         buffer=NULL;
 152         return TRUE;
 153 }
 154
 155 vfs_result=gnome_vfs_read_entire_file(file_uri_str, bytes, buffer);
 156 if (vfs_result!=GNOME_VFS_OK)
 157         return FALSE;
 158
 159 return TRUE;
 160 }