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limesurvey_ynh/sources/application/extensions/bootstrap/widgets/TbGoogleVisualizationChart.php

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<?php
/**
* TbGoogleVisualizationChart widget
*
* Makes use of the Google Visualization service to render charts
*
* @see https://developers.google.com/chart/interactive/docs/gallery
*
* @author: antonio ramirez <antonio@clevertech.biz>
* @copyright Copyright &copy; Clevertech 2012-
* @license http://www.opensource.org/licenses/bsd-license.php New BSD License
* @package YiiBooster bootstrap.widgets
*/
class TbGoogleVisualizationChart extends CWidget
{
/**
* @var string $containerId the container Id to render the visualization to
*/
public $containerId;
/**
* @var string $visualization the type of visualization -ie PieChart
* @see https://google-developers.appspot.com/chart/interactive/docs/gallery
*/
public $visualization;
/**
* @var array $data the data to configure visualization
* @see https://google-developers.appspot.com/chart/interactive/docs/datatables_dataviews#arraytodatatable
*/
public $data = array();
/**
* @var array $options additional configuration options
* @see https://google-developers.appspot.com/chart/interactive/docs/customizing_charts
*/
public $options = array();
/**
* @var array $htmlOption the HTML tag attributes configuration
*/
public $htmlOptions = array();
/**
* Widget's run method
*/
public function run() {
$id = $this->getId();
$this->htmlOptions['id'] = $id;
// if no container is set, it will create one
if($this->containerId==null)
{
$this->containerId = 'div-chart'.$id;
echo '<div '.CHtml::renderAttributes($this->htmlOptions).'></div>';
}
$this->registerClientScript();
}
/**
* Registers required scripts
*/
public function registerClientScript()
{
$id = $this->getId();
$jsData = CJavaScript::jsonEncode($this->data);
$jsOptions = CJavaScript::jsonEncode($this->options);
$script = '
google.setOnLoadCallback(drawChart'.$id.');
var '.$id.'=null;
function drawChart'.$id.'() {
var data = google.visualization.arrayToDataTable('.$jsData.');
var options = '.$jsOptions.';
'.$id.' = new google.visualization.'.$this->visualization.'(document.getElementById("'.$this->containerId.'"));
'.$id.'.draw(data, options);
}';
$cs = Yii::app()->getClientScript();
$cs->registerScriptFile("https://www.google.com/jsapi");
$cs->registerScript(__CLASS__.'#'.$id, 'google.load("visualization", "1", {packages:["corechart"]});', CClientScript::POS_HEAD);
$cs->registerScript($id, $script, CClientScript::POS_HEAD );
}
}