H:/Workspace/php-axiom/www/php-axiom/libraries/axiom/axTableHelper.class.php

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<?php
class axTableHelper extends axBaseHelper {
    
    public $head = null;
    
    public $foot = null;
    
    public $body = null;
    
    public function __construct ($caption = false) {
        parent::__construct('table');
        if ($caption)
            $this->appendChild(axCaptionHelper::export($caption));
            
        $this->head = &$this->_children['head'];
        $this->foot = &$this->_children['foot'];
        $this->body = &$this->_children['body'];
            
        $this->setHead();
        $this->setFoot();
        $this->setBody();
    }
    
    public function setColumnNames (array $columns, $filter = true) {
        if ($filter)
            $this->body->setFilter(array_keys($columns));
        return $this->setHead(array($columns));
    }
    
    public function setHead ($rows = null) {
        $this->_children['head'] = axTableRowGroupHelper::export('head');
        if (!empty($rows))
            $this->head->addRows($rows);
        return $this;
    }
    
    public function setFoot ($rows = null) {
        $this->_children['foot'] = axTableRowGroupHelper::export('foot');
        if (!empty($rows))
            $this->foot->addRows($rows);
        return $this;
    }
    
    public function setBody ($rows = null) {
        $this->_children['body'] = axTableRowGroupHelper::export('body');
        if (!empty($rows))
            $this->body->addRows($rows);
        return $this;
    }
    
    public function addRow ($row, $to = false) {
        switch (strtolower($to)) {
            case 'head': case 'thead': $rowgroup = 'head'; break;
            case 'foot': case 'tfoot': $rowgroup = 'foot'; break;
            case 'body': case 'tbody': default: $rowgroup = 'body';
        }
        $this->$rowgroup->addRow($row);
        return $this;
    }
    
    public function addRows ($rows, $to = false) {
        foreach ($rows as $row)
            $this->addRow($row, $to);
        
        return $this;
    }
    
    public function addColGroup () {
        return $this->appendChild(axColGroupHelper::export());
    }
    
    public function __toString () {
        // Order the children elements according to xhtml DTD
        $children = array(
            'caption' => array(),
            'colgroup' => array(),
            'col' => array(),
            'thead' => array(),
            'tfoot' => array(),
            'tbody' => array(),
        );
        foreach ($this->_children as $node) {
            switch ($node) {
                case $node instanceof axCaptionHelper: $children['caption'][] = $node; break;
                case $node instanceof axColGroupHelper: $children['colgroup'][] = $node; break;
                case $node instanceof axColHelper: $children['col'][] = $node; break;
                case $node instanceof axTableRowGroupHelper:
                    switch($node->getType()) {
                        case 'head': $children['thead'][] = $node; break;
                        case 'foot': $children['tfoot'][] = $node; break;
                        case 'body': $children['tbody'][] = $node; break;
                    }
                    break;
            }
        }
        $this->_children = call_user_func_array('array_merge', $children);
        return parent::__toString();
    }
    
    public static function export ($caption = false) {
        return new self ($caption);
    }
}