listfields.php

См. документацию.

<?php
IncludeModuleLangFile(__FILE__);
 
class CListFieldList
{
    protected $iblock_id = 0;
    protected $form_id = "";
    protected $fields = array();
 
    function __construct($iblock_id)
    {
        if($iblock_id > 0)
        {
            $this->iblock_id = intval($iblock_id);
            $this->form_id = "form_element_".$this->iblock_id;
            $this->fields = $this->_read_form_settings($this->form_id);
        }
        else
        {
            $this->iblock_id = 0;
            $this->form_id = "";
            $this->fields = array();
        }
 
        if(!count($this->fields) || !isset($this->fields["NAME"]))
        {
            $this->fields["NAME"] = new CListElementField($this->iblock_id, "NAME", GetMessage("LISTS_LIST_NAME_FIELD_DEFAULT_LABEL"), (count($this->fields)+1)*10);
        }
    }

    public function GetByID($field_id)
    {
        if(isset($this->fields[$field_id]))
            return $this->fields[$field_id];
        else
            return null;
    }
 
    public function GetFields()
    {
        return array_keys($this->fields);
    }
 
    public function GetArrayByID($field_id)
    {
        if(isset($this->fields[$field_id]))
        {
            $obField = $this->fields[$field_id];
            $result = $obField->GetArray();
        }
        else
        {
            $result = array();
        }
 
        $result["IBLOCK_ID"] = $this->iblock_id;
 
        return $result;
    }
 
    public function DeleteField($field_id)
    {
        if($field_id != "NAME" && isset($this->fields[$field_id]))
        {
            $obField = $this->fields[$field_id];
            $obField->Delete();
            unset($this->fields[$field_id]);
 
            $this->_save_form_settings($this->form_id);
        }
        return true;
    }
 
    public function AddField($arFields)
    {
        $new_field_id = false;
        $newField = null;
 
        if(CListFieldTypeList::IsField($arFields["TYPE"]))
        {
            if(!isset($this->fields[$arFields["TYPE"]]))
            {
                $newField = CListElementField::Add($this->iblock_id, $arFields);
            }
        }
        elseif(CListFieldTypeList::IsExists($arFields["TYPE"]))
        {
                $newField = CListPropertyField::Add($this->iblock_id, $arFields);
        }
 
        if(is_object($newField))
        {
            if(isset($arFields["SETTINGS"]))
                $newField->SetSettings($arFields["SETTINGS"]);
 
            $new_field_id = $newField->GetID();
            $this->fields[$new_field_id] = $newField;
 
            $this->_resort();
            $this->_save_form_settings($this->form_id);
        }
 
        return $new_field_id;
    }
 
    public function UpdateField($field_id, $arFields)
    {
        $new_field_id = false;
        $newField = null;
 
        if(isset($this->fields[$field_id]))
        {
            $obField = $this->fields[$field_id];
 
            if(isset($arFields["TYPE"]) && ($arFields["TYPE"] != $obField->GetTypeID()))
            {
                if(CListFieldTypeList::IsField($obField->GetTypeID()))
                {
                    if(CListFieldTypeList::IsField($arFields["TYPE"]))
                    {
                        $newField = $obField->Update($arFields);
                    }
                    else
                    {
                        $obField->Delete();
                        $newField = CListPropertyField::Add($this->iblock_id, $arFields);
                    }
                }
                else
                {
                    if(!CListFieldTypeList::IsField($arFields["TYPE"]))
                    {
                        $newField = $obField->Update($arFields);
                    }
                    else
                    {
                        $obField->Delete();
                        $newField = CListElementField::Add($this->iblock_id, $arFields);
                    }
                }
            }
            else
            {
                $newField = $obField->Update($arFields);
            }
        }
 
        if(is_object($newField))
        {
            if(isset($arFields["SETTINGS"]))
                $newField->SetSettings($arFields["SETTINGS"]);
 
            unset($this->fields[$field_id]);
            $new_field_id = $newField->GetID();
            $this->fields[$new_field_id] = $newField;
 
            $this->_resort();
            $this->_save_form_settings($this->form_id);
        }
 
        return $new_field_id;
    }
 
    protected function _save_form_settings($form_id)
    {
        if($form_id && $this->iblock_id)
        {
            $arFormLayout = array();
            $arFormLayout[] = "edit1--#--".CIBlock::GetArrayByID($this->iblock_id, "ELEMENT_NAME");
            foreach($this->fields as $field_id => $sort)
            {
                $obField = $this->fields[$field_id];
                $arFormLayout[] =
                        $obField->GetID()
                        ."--#--"
                        .($obField->IsRequired()? "*": "")
                        .str_replace("-", "", $obField->GetLabel())
                ;
            }
            $tab1 = implode("--,--", $arFormLayout);
 
            $arFormLayout = array();
            $arFormLayout[] = "edit2--#--".CIBlock::GetArrayByID($this->iblock_id, "SECTION_NAME");
            $arFormLayout[] = "SECTIONS--#--".CIBlock::GetArrayByID($this->iblock_id, "SECTION_NAME");
            $tab2 = implode("--,--", $arFormLayout);
 
            global $USER;
            if (is_object($USER) && ((get_class($USER) === 'CUser') || ($USER instanceof CUser)))
                CUserOptions::DeleteOption("form", $form_id); //This clears custom user settings
            CUserOptions::SetOption("form", $form_id, array("tabs" => $tab1."--;--".$tab2."--;--"), true);
        }
    }
 
    protected function _read_form_settings($form_id)
    {
        if(!$form_id)
            return null;
 
        global $DB;
        $cache = Bitrix\Main\Data\Cache::createInstance();
        $cacheId = CACHED_b_lists_field_prefix . $this->iblock_id;
        $needClearCache = false;
 
        $dbFields = false;
        if (
            (CACHED_b_lists_field !== false)
            && $cache->initCache(CACHED_b_lists_field, $cacheId, 'b_lists_field')
        )
        {
            $dbFields = $cache->getVars();
        }
 
        if ($dbFields === false)
        {
            $dbFields = [];
            //read list meta from module table
            $rsFields = $DB->Query("
                SELECT * FROM b_lists_field
                WHERE IBLOCK_ID = ".$this->iblock_id."
            ");
            while ($arField = $rsFields->Fetch())
            {
                $dbFields[$arField["FIELD_ID"]] = $arField;
            }
 
            if (CACHED_b_lists_field !== false)
            {
                $cache->startDataCache(CACHED_b_lists_field);
                $cache->endDataCache($dbFields);
            }
        }
 
        $fields = array();
        $customTabs = CUserOptions::GetOption("form", $form_id);
 
        //read list meta from interface settings
        if($customTabs && $customTabs["tabs"])
        {
            $sort = 10;
            $arTabs = explode("--;--", $customTabs["tabs"]);
            foreach($arTabs as $customFields)
            {
                if($customFields)
                {
                    $arCustomFields = explode("--,--", $customFields);
                    array_shift($arCustomFields);
                    foreach($arCustomFields as $customField)
                    {
                        list($FIELD_ID, $customName) = explode("--#--", $customField);
                        if($FIELD_ID != "SECTIONS")
                        {
                            $customName = ltrim($customName, "* -\xa0");
 
                            if(CListFieldTypeList::IsField($FIELD_ID))
                                $obField = $fields[$FIELD_ID] = new CListElementField($this->iblock_id, $FIELD_ID, $customName, $sort);
                            else
                                $obField = $fields[$FIELD_ID] = new CListPropertyField($this->iblock_id, $FIELD_ID, $customName, $sort);
 
                            //check if property was deleted from admin interface
                            if(!is_array($obField->GetArray()))
                            {
                                unset($fields[$FIELD_ID]);
                            }
                            else
                            {
                                $sort += 10;
                                unset($dbFields[$FIELD_ID]);
                            }
                        }
                    }
                }
            }
            //There were some fields "deleted" from interface
            foreach($dbFields as $FIELD_ID => $arField)
            {
                $DB->Query("
                    DELETE FROM b_lists_field
                    WHERE IBLOCK_ID = ".$this->iblock_id."
                    AND FIELD_ID = '".$DB->ForSQL($FIELD_ID)."'
                ");
                $needClearCache = true;
            }
        }
        else//or from module metadata
        {
            foreach($dbFields as $FIELD_ID => $arField)
            {
                if(CListFieldTypeList::IsField($FIELD_ID))
                    $obField = $fields[$FIELD_ID] = new CListElementField($this->iblock_id, $FIELD_ID, $arField["NAME"], $arField["SORT"]);
                else
                    $obField = $fields[$FIELD_ID] = new CListPropertyField($this->iblock_id, $FIELD_ID, $arField["NAME"], $arField["SORT"]);
                //check if property was deleted from admin interface
                if(!is_array($obField->GetArray()))
                {
                    unset($fields[$FIELD_ID]);
                    $DB->Query("
                        DELETE FROM b_lists_field
                        WHERE IBLOCK_ID = ".$this->iblock_id."
                        AND FIELD_ID = '".$DB->ForSQL($FIELD_ID)."'
                    ");
                    $needClearCache = true;
                }
            }
        }
 
        if ($needClearCache && (CACHED_b_lists_field !== false))
        {
            $cache->clean($cacheId, 'b_lists_field');
        }
 
        return $fields;
    }

    function Order($a, $b)
    {
        $a_sort = $a->GetSort();
        $b_sort = $b->GetSort();
 
        if($a_sort < $b_sort)
            return -1;
        elseif($a_sort > $b_sort)
            return 1;
        else
        {
            $a_name = $a->GetLabel();
            $b_name = $b->GetLabel();
 
            if($a_name < $b_name)
                return -1;
            elseif($a_name > $b_name)
                return 1;
            else
                return 0;
        }
    }
 
    protected function _resort()
    {
        uasort($this->fields, array('CListFieldList', 'Order'));
        $sort = 10;
        foreach($this->fields as $field_id => $obField)
        {
            $obField->SetSort($sort);
            $sort += 10;
        }
    }
 
    static function DeleteFields($iblock_id)
    {
        global $DB;
        $iblock_id = intval($iblock_id);
        $DB->Query("
            DELETE FROM b_lists_field
            WHERE IBLOCK_ID = ".$iblock_id."
        ");
 
        if (CACHED_b_lists_field !== false)
        {
            $cache = \Bitrix\Main\Data\Cache::createInstance();
            $cache->clean(CACHED_b_lists_field_prefix . $iblock_id, 'b_lists_field');
        }
 
        $rsOptions = CUserOptions::GetList(array("ID" => "ASC"), array(
            "CATEGORY" => "form",
            "NAME" => "form_element_".$iblock_id,
        ));
        while($arOption = $rsOptions->Fetch())
        {
            CUserOptions::DeleteOption(
                $arOption["CATEGORY"],
                $arOption["NAME"],
                $arOption["COMMON"] == "Y",
                $arOption["USER_ID"]
            );
        }
    }
}
 
?>