111 lines
3.0 KiB
PHP
111 lines
3.0 KiB
PHP
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<?php
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/**
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* This program is free software; you can redistribute it and/or
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* modify it under the terms of the GNU General Public License
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* as published by the Free Software Foundation; under version 2
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* of the License (non-upgradable).
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*
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* This program is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU General Public License for more details.
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*
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* You should have received a copy of the GNU General Public License
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* along with this program; if not, write to the Free Software
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* Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
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*
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* Copyright (c) 2002-2008 (original work) Public Research Centre Henri Tudor & University of Luxembourg (under the project TAO & TAO2);
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* 2008-2010 (update and modification) Deutsche Institut für Internationale Pädagogische Forschung (under the project TAO-TRANSFER);
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* 2009-2012 (update and modification) Public Research Centre Henri Tudor (under the project TAO-SUSTAIN & TAO-DEV);
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*
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*/
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/**
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* Short description of class tao_models_classes_table_PropertyDP
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*
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* @access public
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* @author Joel Bout, <joel.bout@tudor.lu>
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* @package tao
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*/
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class tao_models_classes_table_PropertyDP implements tao_models_classes_table_DataProvider
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{
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// --- ASSOCIATIONS ---
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// --- ATTRIBUTES ---
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/**
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* Short description of attribute singleton
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*
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* @access public
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* @var PropertyDP
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*/
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public static $singleton = null;
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/**
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* Short description of attribute cache
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*
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* @access public
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* @var array
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*/
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public $cache = [];
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// --- OPERATIONS ---
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/**
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* Short description of method prepare
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*
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* @access public
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* @author Joel Bout, <joel.bout@tudor.lu>
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* @param array resources
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* @param array columns
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* @return mixed
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*/
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public function prepare($resources, $columns)
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{
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}
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/**
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* Short description of method getValue
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*
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* @access public
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* @author Joel Bout, <joel.bout@tudor.lu>
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* @param Resource resource
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* @param Column column
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* @return string
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*/
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public function getValue(core_kernel_classes_Resource $resource, tao_models_classes_table_Column $column)
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{
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$returnValue = (string) '';
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$result = $resource->getOnePropertyValue($column->getProperty());
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$returnValue = $result instanceof core_kernel_classes_Resource ? $result->getLabel() : (string)$result;
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return (string) $returnValue;
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}
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/**
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* Short description of method singleton
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*
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* @access public
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* @author Joel Bout, <joel.bout@tudor.lu>
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* @return tao_models_classes_table_PropertyDP
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*/
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public static function singleton()
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{
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$returnValue = null;
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if (is_null(self::$singleton)) {
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self::$singleton = new self();
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}
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$returnValue = self::$singleton;
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return $returnValue;
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}
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}
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