mirror of
https://github.com/Oreolek/ifhub.club.git
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65 lines
1.7 KiB
PHP
65 lines
1.7 KiB
PHP
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<?php
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/*-------------------------------------------------------
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*
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* LiveStreet Engine Social Networking
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* Copyright © 2008 Mzhelskiy Maxim
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*
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*--------------------------------------------------------
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*
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* Official site: www.livestreet.ru
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* Contact e-mail: rus.engine@gmail.com
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*
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* GNU General Public License, version 2:
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* http://www.gnu.org/licenses/old-licenses/gpl-2.0.html
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*
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---------------------------------------------------------
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*/
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/**
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* Модуль Tools - различные вспомогательные методы
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*
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*/
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class ModuleTools extends Module {
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/**
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* Инициализация
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*
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*/
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public function Init() {
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}
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/**
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* Строит логарифмическое облако - расчитывает значение size в зависимости от count
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* У объектов в коллекции обязательно должны быть методы getCount() и setSize()
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*
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* @param array $aCollection
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*/
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public function MakeCloud($aCollection,$iMinSize=1,$iMaxSize=10) {
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if (count($aCollection)) {
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$iSizeRange=$iMaxSize-$iMinSize;
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$iMin=10000;
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$iMax=0;
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foreach($aCollection as $oObject) {
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if ($iMax<$oObject->getCount()) {
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$iMax=$oObject->getCount();
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}
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if ($iMin>$oObject->getCount()) {
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$iMin=$oObject->getCount();
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}
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}
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$iMinCount=log($iMin+1);
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$iMaxCount=log($iMax+1);
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$iCountRange=$iMaxCount-$iMinCount;
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if ($iCountRange==0) {
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$iCountRange=1;
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}
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foreach($aCollection as $oObject) {
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$iTagSize=$iMinSize+(log($oObject->getCount()+1)-$iMinCount)*($iSizeRange/$iCountRange);
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$oObject->setSize(round($iTagSize));
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}
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}
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return $aCollection;
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}
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}
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?>
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