class.arConfigFormGUI.php

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<?php
require_once('./Services/Form/classes/class.ilPropertyFormGUI.php');
require_once('class.arConfig.php');

class arConfigFormGUI extends ilPropertyFormGUI
{

    protected $parent_gui;
    protected $ctrl;


    public function __construct($parent_gui)
    {
        global $DIC;
        $ilCtrl = $DIC['ilCtrl'];
        $lng = $DIC['lng'];
        $this->parent_gui = $parent_gui;
        $this->ctrl = $ilCtrl;
        $this->lng = $lng;
        $this->ctrl->saveParameter($parent_gui, 'clip_ext_id');
        $this->setFormAction($this->ctrl->getFormAction($parent_gui));
        $this->initForm();
    }


    protected function initForm()
    {
        $this->setTitle($this->lng->txt('admin_form_title'));

        $te = new ilTextInputGUI($this->lng->txt('admin_origins_path'), 'path');
        $te->setInfo($this->lng->txt('admin_origins_path_info'));
        $this->addItem($te);

        $this->addCommandButtons();
    }


    public function fillForm()
    {
        $array = array();
        foreach ($this->getItems() as $item) {
            $this->getValuesForItem($item, $array);
        }
        $this->setValuesByArray($array);
    }


    private function getValuesForItem($item, &$array)
    {
        if (self::checkItem($item)) {
            $key = $item->getPostVar();
            $array[$key] = json_decode(arConfig::get($key));
            if (self::checkForSubItem($item)) {
                foreach ($item->getSubItems() as $subitem) {
                    $this->getValuesForItem($subitem, $array);
                }
            }
        }
    }


    public function fillObject()
    {
        if (!$this->checkInput()) {
            return false;
        }

        return true;
    }


    public function saveObject()
    {
        if (!$this->fillObject()) {
            return false;
        }
        foreach ($this->getItems() as $item) {
            $this->saveValueForItem($item);
        }

        return true;
    }


    private function saveValueForItem($item)
    {
        if (self::checkItem($item)) {
            $key = $item->getPostVar();
            arConfig::set($key, json_encode($this->getInput($key)));
            if (self::checkForSubItem($item)) {
                foreach ($item->getSubItems() as $subitem) {
                    $this->saveValueForItem($subitem);
                }
            }
        }
    }


    public static function checkItem(ilPropertyFormGUI $item)
    {
        return !$item instanceof ilFormSectionHeaderGUI and !$item instanceof ilMultiSelectInputGUI;
    }


    public static function checkForSubItem(ilPropertyFormGUI $item)
    {
        return !$item instanceof ilMultiSelectInputGUI;
    }


    protected function addCommandButtons()
    {
        $this->addCommandButton('save', $this->lng->txt('admin_form_button_save'));
        $this->addCommandButton('cancel', $this->lng->txt('admin_form_button_cancel'));
    }
}