html.php

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<?php
class Html
{
    protected static $_trClassAlternate = TRUE;

    protected static $_metatags = array();

    protected static $_headLinks = array();

    public static function link ($action, $text, $attrs = NULL)
    {
        if (is_array($attrs)) {
            $attrs = Tag::getAttrs($attrs);
        }
        return '<a href="' . PUBLIC_PATH . "$action\" $attrs >$text</a>";
    }
    public static function linkAction ($action, $text, $attrs = NULL)
    {
        if (is_array($attrs)) {
            $attrs = Tag::getAttrs($attrs);
        }
        
        return '<a href="' . PUBLIC_PATH . Router::get('controller_path') . "/$action\" $attrs >$text</a>";
    }
    public static function img ($src, $alt=NULL, $attrs = NULL)
    {
        if (is_array($attrs)) {
            $attrs = Tag::getAttrs($attrs);
        }
        return '<img src="' . PUBLIC_PATH . "img/$src\" alt=\"$alt\" $attrs />";
    }
    
    public static function trClass ($class, $attrs = NULL)
    {
        if (is_array($attrs)) {
            $attrs = Tag::getAttrs($attrs);
        }
        if(self::$_trClassAlternate){
            self::$_trClassAlternate = FALSE;
            return "<tr class='$class' $attrs >";
        } else {
            self::$_trClassAlternate = TRUE;
            return "<tr $attrs >";
        }
    }
    
    public static function trClassStart ()
    {
        self::$_trClassAlternate = TRUE;
    }
    
    public static function meta($content, $attrs = NULL)
    {
        if(is_array($attrs)) {
            $attrs = Tag::getAttrs($attrs);
        }
    
        self::$_metatags[] = array('content' => $content, 'attrs' => $attrs);
    }
    
    public static function includeMetatags()
    {
        return implode(array_unique(self::$_metatags), PHP_EOL);
    }

    public static function lists($array, $type = 'ul', $attrs = NULL)
    {
        if(is_array($attrs)) {
            $attrs = self::getAttrs($attrs);
        }
        
        $list = "<$type $attrs>".PHP_EOL;
        foreach($array as $item){
            $list .= "<li>$item</li>".PHP_EOL;
        }
        $list .= "</$type>".PHP_EOL;
        
        return $list;
    }
    
    public static function includeCss()
    {
        $code = '';
        foreach(Tag::getCss() as $css) {
            $code .= '<link href="' . PUBLIC_PATH . "css/{$css['src']}.css\" rel=\"stylesheet\" type=\"text/css\" media=\"{$css['media']}\" />" . PHP_EOL;
        }
        return $code;
    }
    
    public static function headLink($href, $attrs = NULL)
    {
        if(is_array($attrs)) {
            $attrs = self::getAttrs($attrs);
        }
    
        self::$_headLinks[] = array('href' => $href, 'attrs' => $attrs);
    }
    
    public static function headLinkAction($action, $attrs = NULL)
    {
        self::headLink(PUBLIC_PATH . $action, $attrs);
    }
    
    public static function headLinkResource($resource, $attrs = NULL)
    {
        self::headLink(PUBLIC_PATH . $resource, $attrs);
    }
    
    public static function includeHeadLinks()
    {
        $code = '';
        foreach(self::$_headLinks as $link) {
            $code .= "<link href=\"{$link['href']}\" {$link['attrs']} />" . PHP_EOL;
        }
        return $code;
    }
    public static function gravatar($email, $alt='gravatar', $size=40, $default='mm') {
        $grav_url = "http://www.gravatar.com/avatar/" . md5( strtolower(trim($email))) . '?d=' . urlencode($default) . '&s=' . $size;        
        return '<img src="'. $grav_url . '" alt="'. $alt .'" class="avatar" width="'.$size.'" height="'.$size.'" />';
    }
}