<?php

class TableExcelView {
    private $list = array();
    private $data = array();
    
    function setColumns(array $list) {
        $this->list = $list;
    }

    function makeTable() {
        $xls = new ExcelTable();
        $xls->setRow(1, 1, array_keys($this->list));

        foreach($this->data as $n => $item) {
            $result = array();
            foreach($this->list as $key => $c) {
                if (is_callable($c)) {
                    $result [] = call_user_func($c, $item, $n);
                } else {
                    if (is_numeric($item[$c])) {
                        $result [] = new Excel_Number($item[$c]);
                    } else {
                        $result [] = $item[$c];
                    }
                }
            }
            $xls->addRow(1, $result);    
        }

        return $xls;
    }

    function writeTable($data, $file) {
        $this->data = $data;

        $xls = new ExcelDocument();
        $xls->addTable(array($this, 'makeTable'));
        $xls->save($file);
    }
}

class TableHTMLView {
    private $list = array();
    private $stack = array();
    private $result = array();

    function writeElement($name, $content) {
        echo "<".$name.">";
        echo $content;
        echo "</".$name.">";
    }

    function startElement($name) {
        array_push($this->stack, $name);
        echo "<".$name.">";
    }

    function endElement() {
        $name = array_pop($this->stack);
        echo "</".$name.">";
    }

    function setColumns(array $list) {
        $this->list = $list;
    }

    function writeTable($data) {
        $this->startElement('table');
        $this->startElement('thead');
        $this->startElement('tr');
        foreach($this->list as $key => $c) {
            $this->writeElement('th', $key);
        }
        $this->endElement();
        $this->endElement();

        $this->startElement('tbody');
        foreach($data as $n => $item) {
            $this->startElement('tr');
            foreach($this->list as $key => $c) {
                if (is_callable($c)) {
                    $this->writeElement('td', call_user_func($c, $item, $n));
                } else {
                    $this->writeElement('td', $item[$c]);
                }
            }
            $this->endElement();    
        }
        $this->endElement();
        $this->endElement();
    }
}