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folder selector: handle long press to invert selection/select all.

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Doing a LONG PRESS on a:
- unopened folder will select all its sub-folders
- opened folder will invert the selection of its sub-folders

Change-Id: Ia7fd8dc3b940f60adee3f0314bf6bba5eb2c7b3b
This commit is contained in:
Jonathan Gordon 2012-08-13 15:01:31 +10:00
parent ca35628dc5
commit bd6e6ed403
1 changed files with 42 additions and 3 deletions
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45
apps/gui/folder_select.c
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@ -300,11 +300,12 @@ static enum themable_icons folder_get_icon(int selected_item, void * data)
static int folder_action_callback(int action, struct gui_synclist *list) static int folder_action_callback(int action, struct gui_synclist *list)
{ {
struct folder *root = (struct folder*)list->data; struct folder *root = (struct folder*)list->data;
struct folder *parent;
struct child *this = find_index(root, list->selected_item, &parent), *child;
int i;
if (action == ACTION_STD_OK) if (action == ACTION_STD_OK)
{ {
struct folder *parent;
struct child *this = find_index(root, list->selected_item, &parent);
switch (this->state) switch (this->state)
{ {
case EXPANDED: case EXPANDED:
@ -321,11 +322,49 @@ static int folder_action_callback(int action, struct gui_synclist *list)
break; break;
case EACCESS: case EACCESS:
/* cannot open, do nothing */ /* cannot open, do nothing */
break; return action;
} }
list->nb_items = count_items(root); list->nb_items = count_items(root);
return ACTION_REDRAW; return ACTION_REDRAW;
} }
else if (action == ACTION_STD_CONTEXT)
{
switch (this->state)
{
case EXPANDED:
for (i = 0; i < this->folder->children_count; i++)
{
child = &this->folder->children[i];
if (child->state == SELECTED ||
child->state == EXPANDED)
child->state = COLLAPSED;
else if (child->state == COLLAPSED)
child->state = SELECTED;
}
break;
case SELECTED:
case COLLAPSED:
if (this->folder == NULL)
this->folder = load_folder(parent, this->name);
this->state = this->folder ? (this->folder->children_count == 0 ?
SELECTED : EXPANDED) : EACCESS;
if (this->state == EACCESS)
break;
for (i = 0; i < this->folder->children_count; i++)
{
child = &this->folder->children[i];
child->state = SELECTED;
}
break;
case EACCESS:
/* cannot open, do nothing */
return action;
}
list->nb_items = count_items(root);
return ACTION_REDRAW;
}
return action; return action;
} }