cweb_grid

class cweb_grid {

    var $column_obj; // 欄位
    var $item_arr; // 項目列
    var $param; // 參數列

    function cweb_grid()
    {

        $this->column_obj = new empty_object;
        $this->item_arr = array();
        $this->param = array();
        
    }


    function _pre_html()
    {
        $param_str = "";
        foreach($this->param as $key => $value )
        {
            $param_str .= " {$key}=\"{$value}\" ";
        }

        $result = "<table " . $param_str . " >";

        return $result;

    }

    function _after_html()
    {
        return "</table>";
    }

    function _arr2obj($row)
    {
        return $row;
    }

    function _proc_row($row)
    {
        $result = "";
        foreach($this->column_obj as $key => $value)
        {
            if( !isset($row->$key) )
                $result .= "<td ></td>";
            else
                $result .= "<td >{$row->$key}</td>";
        }

        $result = "<tr> {$result} </tr>";

        return $result;

    }

    function _proc_column()
    {
        return $this->_proc_row($this->column_obj);

    }

    function _proc_item()
    {

        $result = "";
        foreach($this->item_arr as $item)
        {
            $result .= $this->_proc_row($item);
        }

        return $result;
    }

    function insert_column($key, $text)
    {
        $this->column_obj->$key = $text;
    }

    function insert_item($row)
    {

        $obj = $this->_arr2obj($row);
        $this->item_arr[] = $obj;

    }

    function add_param($key, $value)
    {
        $this->param[$key] = $value;
    }

    function outHtml()
    {
        $result = "";
        
        $result .= $this->_pre_html();

        $result .= $this->_proc_column();

        $result .= $this->_proc_item();

        $result .= $this->_after_html();

        return $result;
    }

}