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<?php
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/**
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* @file
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* Singleton class to provide render hints.
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*
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* @copyright
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* (C) 2007-2012 EDIT
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* European Distributed Institute of Taxonomy
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* http://www.e-taxonomy.eu
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*
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* The contents of this module are subject to the Mozilla
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* Public License Version 1.1.
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* @see http://www.mozilla.org/MPL/MPL-1.1.html
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*/
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/**
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* Singleton to provide render hints.
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*/
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class RenderHints {
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private static $renderStack = array();
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private static $footnoteListKey = FALSE;
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/**
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* Private constructor.
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*/
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private function __construct() {}
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/**
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* @todo document this function.
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*/
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public static function getFootnoteListKey() {
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return self::$footnoteListKey;
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}
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/**
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* @todo document this function.
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*/
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public static function setFootnoteListKey($key) {
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self::$footnoteListKey = $key;
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}
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/**
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* @todo document this function.
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*/
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public static function pushToRenderStack($pathelement) {
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array_push(self::$renderStack, $pathelement);
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}
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/**
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* @todo document this function.
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*/
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public static function popFromRenderStack() {
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return array_pop(self::$renderStack);
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}
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/**
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* @todo document this function.
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*/
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public static function sizeof() {
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return sizeof(self::$renderStack);
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}
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/**
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* @todo document this function.
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*/
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public static function getRenderPath() {
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return join('.', array_reverse(self::$renderStack));
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}
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/**
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* @todo document this function.
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*/
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public static function getHtmlElementID($cdmBase) {
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return 'id="' . RenderHints::getRenderPath() . '(' . $cdmBase->class . ':' . $cdmBase->uuid . ')"';
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}
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/**
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* Stop users from cloning.
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*/
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public function __clone() {
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trigger_error('Cloning instances of the singleton class RenderHints is prohibited', E_USER_ERROR);
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}
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}
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