root/form/manage_field.php

<?php

/*
 * Elgg Forms
 * Kevin Jardine
 * Radagast Solutions
 * http://radagast.biz
 *
 * The main function for managing fields.
 *
 */
 
// Load Elgg framework
@require_once("../../includes.php");
    
// Define context
define("context","form");

$redirect_url = '';

if (isloggedin() && run("users:flags:get", array("admin", $_SESSION['userid']))) { 
        
    $action = optional_param('action','');
    
    // possible actions: add, change, edit, delete, move, add_existing, copy_existing, add_new
    
    switch($action) {
        case "add":
            $form_id = optional_param('form_id',0,PARAM_INT);
            form_set_field_definition();
            $messages[] = __gettext('This new field has been added to this form.');
            $redirect_url = $CFG->wwwroot.'mod/form/manage_form.php?id='.$form_id;
            break;
        case "change":
            $form_id = optional_param('form_id',0,PARAM_INT);
            $type = optional_param('type','');
            form_set_field_definition();
            $messages[] = __gettext('Your changes to this field have been saved.');
            if ($type == 'all' || $type == 'orphan') {
                $redirect_url = $CFG->wwwroot.'mod/form/list_fields.php?type='.$type;
            } else {                
                $redirect_url = $CFG->wwwroot.'mod/form/manage_form.php?id='.$form_id;
            }
            break;
        case "edit":
            $map_id = optional_param('id',0,PARAM_INT);
            $map = get_record('form_fields_map','ident',$map_id);
            $field = form_get_field_definition($map->field_id);
            $title = __gettext("Edit field");
            $body = form_get_field_form($map->form_id,$field);
            $redirect_url = '';
            break;
        case "edit_with_field_id":
            $field_id = optional_param('id',0,PARAM_INT);
            $title = __gettext("Edit field");
            $field = form_get_field_definition($field_id);
            $body = form_get_field_form(0,$field);
            $redirect_url = '';
            break;
        case "remove":
            $map_id = optional_param('id',0,PARAM_INT);
            $map = get_record('form_fields_map','ident',$map_id);
            delete_records('form_fields_map','ident',$map_id);
            $messages[] = __gettext('This field has been removed from this form.');
            $redirect_url = $CFG->wwwroot.'mod/form/manage_form.php?id='.$map->form_id;
            break;
        case "delete":
            // unlike remove, delete actually deletes the form definition itself 
            // and the references for all forms
            $field_id = optional_param('id',0,PARAM_INT);
            delete_records('form_fields_map','field_id',$field_id);
            delete_records('form_fields','ident',$field_id);
            $type = optional_param('type','');
            if ($type == 'orphan') {
                $messages[] = __gettext('This field definition has been deleted.');
                $redirect_url = $CFG->wwwroot.'mod/form/list_fields.php?type=orphan';
            } else {
                $messages[] = __gettext('This field definition has been deleted and has been removed from all forms.');
                $redirect_url = $CFG->wwwroot.'mod/form/list_fields.php?type=all';
            }
                
            break;
        case "move":
            $map_id = optional_param('id',0,PARAM_INT);
            $direction = optional_param('direction','');
            $map = get_record('form_fields_map','ident',$map_id);
            if ($direction == 'up') {
                form_field_moveup($map);
            } else if ($direction == 'down') {
                form_field_movedown($map);
            }
            $messages[] = __gettext('This field has been moved.');
            $redirect_url = $CFG->wwwroot.'mod/form/manage_form.php?id='.$map->form_id;
            break;
        case "add_existing":
            $existing_field_name = optional_param('existing_field_name','');
            $form_id = optional_param('form_id',0,PARAM_INT);
            $field_id = get_field('form_fields','ident','internal_name',$existing_field_name);
            $map = new stdClass;
            $map->form_id = $form_id;
            $map->field_id = $field_id;
            $map->display_order = 100000;
            $map->ident = insert_record('form_fields_map',$map);
            form_reorder($form_id);
            $messages[] = sprintf(__gettext('Field "%s" has been added.'), $existing_field_name);
            $redirect_url = $CFG->wwwroot.'mod/form/manage_form.php?id='.$map->form_id;
            break;
        case "copy_existing":
            $existing_field_name = optional_param('existing_field_name','');
            $new_field_name = optional_param('new_field_name','');
            $form_id = optional_param('form_id',0,PARAM_INT);
            $field_id = get_field('form_fields','ident','internal_name',$existing_field_name);
            $field = form_get_field_definition($field_id);
            $field->internal_name = $new_field_name;
            $field->ident = 0;
            $messages[] = __gettext('Review the new field definition below and click on the "Create field" button'
                .' at the bottom to save it.');
            $title = __gettext("Create field");
            $body = form_get_field_form($form_id,$field,$form_name = '');
            $redirect_url = '';
            break;
        case "add_new":
            $new_field_name = optional_param('new_field_name','');
            $form_id = optional_param('form_id',0,PARAM_INT);
            $field_id = get_field('form_fields','ident','internal_name',$new_field_name);
            $title = __gettext("Create field");
            $body = form_get_field_form($form_id,null,$new_field_name);
            $redirect_url = '';
            break;
    }
} else {
    $body = __gettext("You must be logged in as a site administrator to view this page.");
    $title = __gettext("Error");
}
    
if ($redirect_url) {
    // all done, so redirect to form page
    $_SESSION['messages'] = $messages;
    header("Location: $redirect_url");
} else {

    // Output to the screen
    $body = templates_draw(array(
                    'context' => 'contentholder',
                    'title' => $title,
                    'body' => $body
                )
                );
    
    echo templates_page_draw( array(
                    $title, $body
                )
                );
}
?>