static void _rtgui_filelist_view_destructor(struct rtgui_filelist_view *view)
{
/* delete all file items */
rtgui_filelist_view_clear(view);
/* delete current directory and pattern */
if (view->current_directory != RT_NULL)
{
rt_free(view->current_directory);
view->current_directory = RT_NULL;
}
if (view->pattern != RT_NULL)
{
rt_free(view->pattern);
view->pattern = RT_NULL;
}
_instance_count--;
RT_ASSERT(_instance_count >= 0);
if (_instance_count == 0)
{
/* delete image */
rtgui_image_destroy(file_image);
file_image = RT_NULL;
rtgui_image_destroy(folder_image);
folder_image = RT_NULL;
}
}
static void _rtgui_filelist_view_destructor(struct rtgui_filelist_view *view)
{
/* delete all file items */
rtgui_filelist_view_clear(view);
/* delete current directory and pattern */
if (view->current_directory != RT_NULL)
{
rt_free(view->current_directory);
view->current_directory = RT_NULL;
}
if (view->pattern != RT_NULL)
{
rt_free(view->pattern);
view->pattern = RT_NULL;
}
/* delete image */
rtgui_image_destroy(file_image);
rtgui_image_destroy(folder_image);
}
void rtgui_filelist_view_set_directory(rtgui_filelist_view_t *view, const char *directory)
{
struct rtgui_file_item *item;
RT_ASSERT(view != RT_NULL);
/* clear file items firstly */
rtgui_filelist_view_clear(view);
if (directory != RT_NULL)
{
DIR *dir;
struct stat s;
char *fullpath;
rt_uint32_t index;
struct dirent *dirent;
view->items_count = 0;
dir = opendir(directory);
if (dir == RT_NULL)
goto __return;
/* current directory exists, set it */
if (view->current_directory != RT_NULL)
rt_free(view->current_directory);
view->current_directory = rt_strdup(directory);
do {
dirent = readdir(dir);
if (dirent == RT_NULL)
break;
if (strcmp(dirent->d_name, ".") == 0)
continue;
/* readdir is not guaranteed to return "..". So we should deal with
* it specially. */
if (strcmp(dirent->d_name, "..") == 0)
continue;
view->items_count++;
} while (dirent != RT_NULL);
closedir(dir);
/* Add ".." entry. */
if (!(directory[0] == '/' && directory[1] == '\0'))
view->items_count++;
view->items = (struct rtgui_file_item *)rtgui_malloc(sizeof(struct rtgui_file_item) * view->items_count);
if (view->items == RT_NULL)
return; /* no memory */
index = 0;
if (!(directory[0] == '/' && directory[1] == '\0'))
{
item = &(view->items[index]);
item->name = rt_strdup("..");
item->type = RTGUI_FITEM_DIR;
item->size = 0;
index++;
}
/* reopen directory */
dir = opendir(directory);
fullpath = (char*)rtgui_malloc(256);
while (index < view->items_count)
{
dirent = readdir(dir);
if (dirent == RT_NULL)
break;
if (strcmp(dirent->d_name, ".") == 0)
continue;
if (strcmp(dirent->d_name, "..") == 0)
continue;
item = &(view->items[index]);
item->name = rt_strdup(dirent->d_name);
rt_memset(&s, 0, sizeof(struct stat));
/* build full path for the file */
if (directory[strlen(directory) - 1] != PATH_SEPARATOR)
rt_snprintf(fullpath, 256, "%s%c%s", directory, PATH_SEPARATOR, dirent->d_name);
else
rt_snprintf(fullpath, 256, "%s%s", directory, dirent->d_name);
stat(fullpath, &s);
if (s.st_mode & S_IFDIR)
{
item->type = RTGUI_FITEM_DIR;
item->size = 0;
}
else
{
item->type = RTGUI_FITEM_FILE;
item->size = s.st_size;
}
index ++;
}
rtgui_free(fullpath);
closedir(dir);
}
view->current_item = 0;
__return:
/* update view */
rtgui_widget_update(RTGUI_WIDGET(view));
}