Prado\Web\UI\WebControls\TDataGrid::performDataBinding PHP 메소드

    protected function performDataBinding($data)
    {
        $this->reset();
        $keys = $this->getDataKeys();
        $keys->clear();
        $keyField = $this->getDataKeyField();
        // get all columns
        if ($this->getAutoGenerateColumns()) {
            $columns = new TList($this->getColumns());
            $autoColumns = $this->createAutoColumns($data);
            $columns->mergeWith($autoColumns);
        } else {
            $columns = $this->getColumns();
        }
        $this->_allColumns = $columns;
        $items = $this->getItems();
        $index = 0;
        $allowPaging = $this->getAllowPaging() && $data instanceof TPagedDataSource;
        $dsIndex = $allowPaging ? $data->getFirstIndexInPage() : 0;
        $this->setViewState('DataSourceIndex', $dsIndex, 0);
        if ($columns->getCount()) {
            foreach ($columns as $column) {
                $column->initialize();
            }
            $selectedIndex = $this->getSelectedItemIndex();
            $editIndex = $this->getEditItemIndex();
            foreach ($data as $key => $row) {
                if ($keyField !== '') {
                    $keys->add($this->getDataFieldValue($row, $keyField));
                } else {
                    $keys->add($key);
                }
                if ($index === 0) {
                    if ($allowPaging) {
                        $this->_topPager = $this->createPager();
                    }
                    $this->_header = $this->createItemInternal(-1, -1, TListItemType::Header, true, null, $columns);
                }
                if ($index === $editIndex) {
                    $itemType = TListItemType::EditItem;
                } else {
                    if ($index === $selectedIndex) {
                        $itemType = TListItemType::SelectedItem;
                    } else {
                        if ($index % 2) {
                            $itemType = TListItemType::AlternatingItem;
                        } else {
                            $itemType = TListItemType::Item;
                        }
                    }
                }
                $items->add($this->createItemInternal($index, $dsIndex, $itemType, true, $row, $columns));
                $index++;
                $dsIndex++;
            }
            if ($index > 0) {
                $this->_footer = $this->createItemInternal(-1, -1, TListItemType::Footer, true, null, $columns);
                if ($allowPaging) {
                    $this->_bottomPager = $this->createPager();
                }
            }
        }
        $this->setViewState('ItemCount', $index, 0);
        if (!$dsIndex && $this->_emptyTemplate !== null) {
            $this->_useEmptyTemplate = true;
            $this->_emptyTemplate->instantiateIn($this);
            $this->dataBindChildren();
        }
    }