| <?php |
| /** |
| * File containing the abstract ezcGraphChartSingleDataContainer class |
| * |
| * Licensed to the Apache Software Foundation (ASF) under one |
| * or more contributor license agreements. See the NOTICE file |
| * distributed with this work for additional information |
| * regarding copyright ownership. The ASF licenses this file |
| * to you under the Apache License, Version 2.0 (the |
| * "License"); you may not use this file except in compliance |
| * with the License. You may obtain a copy of the License at |
| * |
| * http://www.apache.org/licenses/LICENSE-2.0 |
| * |
| * Unless required by applicable law or agreed to in writing, |
| * software distributed under the License is distributed on an |
| * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY |
| * KIND, either express or implied. See the License for the |
| * specific language governing permissions and limitations |
| * under the License. |
| * |
| * @package Graph |
| * @version //autogentag// |
| * @copyright Copyright (C) 2005-2010 eZ Systems AS. All rights reserved. |
| * @license http://www.apache.org/licenses/LICENSE-2.0 Apache License, Version 2.0 |
| */ |
| /** |
| * Container class for datasets, which ensures, that only one dataset is used. |
| * Needed for pie charts which can only display one dataset. |
| * |
| * @version //autogentag// |
| * @package Graph |
| */ |
| |
| class ezcGraphChartSingleDataContainer extends ezcGraphChartDataContainer |
| { |
| /** |
| * Adds a dataset to the charts data |
| * |
| * @param string $name |
| * @param ezcGraphDataSet $dataSet |
| * @throws ezcGraphTooManyDataSetExceptions |
| * If too many datasets are created |
| * @return ezcGraphDataSet |
| */ |
| protected function addDataSet( $name, ezcGraphDataSet $dataSet ) |
| { |
| if ( count( $this->data ) >= 1 && |
| !isset( $this->data[$name] ) ) |
| { |
| throw new ezcGraphTooManyDataSetsExceptions( $name ); |
| } |
| else |
| { |
| parent::addDataSet( $name, $dataSet ); |
| |
| // Resette palette color counter |
| $this->chart->palette->resetColorCounter(); |
| |
| // Colorize each data element |
| foreach ( $this->data[$name] as $label => $value ) |
| { |
| $this->data[$name]->color[$label] = $this->chart->palette->dataSetColor; |
| } |
| } |
| } |
| } |
| ?> |