/**
* 构造函数,初始化组件
*
* @access public
* @param mixed $request request对象
* @param mixed $response response对象
* @param mixed $params 参数列表
*/
public function __construct($request, $response, $params = NULL)
{
//设置函数内部对象
$this->request = $request;
$this->response = $response;
$this->parameter = new Typecho_Config();
if (!empty($params)) {
$this->parameter->setDefault($params);
}
}
/**
* 标签云
* @params string 配置字符串
* @format string 格式化输出
* @return void
*/
public static function tagCloud($params = null, $format = '<a href="{permalink}" style="{fontsize};{color};" title="{count}篇文章">{name}</a>')
{
Typecho_Widget::widget('Widget_Metas_Tag_Cloud', $params)->to($tags);
$list = $counts = array();
while ($tags->next()) {
$list[] = array('mid' => $tags->mid, 'name' => $tags->name, 'permalink' => $tags->permalink, 'count' => $tags->count);
$counts[] = $tags->count;
}
if (empty($counts)) {
echo '暂无标签';
return;
}
$min_count = min($counts);
$spread = max($counts) - $min_count;
$params = new Typecho_Config($params);
$params->setDefault(array('smallest' => 8, 'largest' => 22, 'unit' => 'pt'));
if ($spread <= 0) {
$spread = 1;
}
$font_spread = $params->largest - $params->smallest;
if ($font_spread < 0) {
$font_spread = 1;
}
$font_step = $font_spread / $spread;
$html = '';
foreach ($list as $tag) {
$color = 'color:#' . self::randColor();
$fontsize = 'font-size:' . ($params->smallest + ($tag['count'] - $min_count) * $font_step) . $params->unit;
$html .= str_replace(array('{name}', '{permalink}', '{count}', '{fontsize}', '{color}'), array($tag['name'], $tag['permalink'], $tag['count'], $fontsize, $color), $format);
}
echo $html;
}
