function views_ui_edit_page_display

Helper function to return the used display_id for the edit page.

This function handles access to the display.

File

includes/admin.inc, line 895

Code

function views_ui_edit_page_display($view, $display_id) {
    // Determine the displays available for editing.
    if ($tabs = views_ui_edit_page_display_tabs($view, $display_id)) {
        // If a display isn't specified, use the first one.
        if (empty($display_id)) {
            foreach ($tabs as $id => $tab) {
                if (!isset($tab['#access']) || $tab['#access']) {
                    $display_id = $id;
                    break;
                }
            }
        }
        // If a display is specified, but we don't have access to it, return
        // an access denied page.
        if ($display_id && (!isset($tabs[$display_id]) || isset($tabs[$display_id]['#access']) && !$tabs[$display_id]['#access'])) {
            return MENU_ACCESS_DENIED;
        }
        return $display_id;
    }
    elseif ($display_id) {
        return MENU_ACCESS_DENIED;
    }
    else {
        $display_id = NULL;
    }
    return $display_id;
}