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contributions/widgets.alphalist/view/widgets/alphalist.widget.php

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<?php
/**
 * Prints list, and ALPHA pager
 */
class WidgetAlphaList implements IWidget {
        /**
         * Link to fragment (#Letter) from pager
         */
        const LINK_TO_FRAGMENT = 0;
        /**
         * Link to subpages Url::current() + letter from pager
         */
        const LINK_TO_SUBPAGES = 256;
        /**
         * Do not print a pager
         */
        const NO_PAGER = 512;
        /**
         * Put a lin kto subpages below each section
         */
        const LINK_TO_SUBPAGE_BELOW_SECTION = 1024;

        const INCLUDE_NUMERIC = 4096;
        
        public $items;
        public $params;
        
        /**
         * Constructor
         * 
         * @param array $params associative array with members 'css_class' and 'more_title'
         */
        public static function output($items, $params = array(), $policy = self::LINK_TO_SUBPAGES) {
                if (is_string($params)) {
                        $params = array('css_class' => $params);
                }
                $w = new WidgetAlphaList($items, $params);
                return $w->render($policy);
        }
        
        public function __construct($items, $params) {
                $this->items = $items;
                $this->params = $params;
        }
        
        public function render($policy = self::NONE) {
                $ret = '';
                if (count($this->items) > 10) {
                        if (!Common::flag_is_set($policy, self::NO_PAGER)) {
                                $ret .= WidgetAlphaPager::output($policy);
                        }

                        $data = array_fill_keys(range('a', 'z'), array());
                        if (Common::flag_is_set($policy, self::INCLUDE_NUMERIC)) {
                                $data = array_merge(array('0-9' => array()), $data);
                        }
                        // TODO Does not handle numbers
                        foreach($this->items as $key => $value) {
                                $clean = String::plain_ascii($key);
                                $data[substr($clean, 0, 1)][] = $value;
                        }

                        $view = ViewFactory::create_view(IViewFactory::MESSAGE, 'widgets/alphalist', false);
                        $view->assign('data', $data);
                        $view->assign('items', $this->items);
                        $view->assign('params', $this->params);
                        $view->assign('policy', $policy);
                }
                else {
                        ksort($this->items);
                        $view = ViewFactory::create_view(IViewFactory::MESSAGE, 'widgets/alphalist/empty', false);
                }
                $view->assign('items', $this->items);
                $view->assign('params', $this->params);
                $view->assign('policy', $policy);
                $ret .= $view->render();
                return $ret;
        }       
}

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