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