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<?php
/**
* Piwik - Open source web analytics
*
* @link http://piwik.org
* @license http://www.gnu.org/licenses/gpl-3.0.html Gpl v3 or later
* @version $Id$
*
* @category Piwik
* @package Piwik
*/
/**
* This class generates the HTML code to embed to flash graphs in the page.
* It doesn't call the API but simply prints the html snippet.
*
* @package Piwik
* @subpackage Piwik_ViewDataTable
*/
abstract class Piwik_ViewDataTable_GenerateGraphHTML extends Piwik_ViewDataTable
{
protected $width = '100%';
protected $height = 250;
protected $graphType = 'standard';
/**
* @see Piwik_ViewDataTable::init()
*/
function init($currentControllerName,
$currentControllerAction,
$apiMethodToRequestDataTable )
{
parent::init($currentControllerName,
$currentControllerAction,
$apiMethodToRequestDataTable );
$this->dataTableTemplate = 'CoreHome/templates/graph.tpl';
$this->disableOffsetInformation();
$this->disableExcludeLowPopulation();
$this->disableSearchBox();
$this->enableShowExportAsImageIcon();
$this->parametersToModify = array(
'viewDataTable' => $this->getViewDataTableIdToLoad(),
// in the case this controller is being executed by another controller
// eg. when being widgetized in an IFRAME
// we need to put in the URL of the graph data the real module and action
'module' => $currentControllerName,
'action' => $currentControllerAction,
);
}
public function enableShowExportAsImageIcon()
{
$this->viewProperties['show_export_as_image_icon'] = true;
}
/**
* Sets parameters to modify in the future generated URL
* @param array $array array('nameParameter' => $newValue, ...)
*/
public function setParametersToModify($array)
{
$this->parametersToModify = array_merge($this->parametersToModify, $array);
}
/**
* We persist the parametersToModify values in the javascript footer.
* This is used by the "export links" that use the "date" attribute from the json properties array in the datatable footer.
*/
protected function getJavascriptVariablesToSet()
{
return $this->parametersToModify + parent::getJavascriptVariablesToSet();
}
/**
* @see Piwik_ViewDataTable::main()
*/
public function main()
{
if($this->mainAlreadyExecuted)
{
return;
}
$this->mainAlreadyExecuted = true;
$this->view = $this->buildView();
}
protected function buildView()
{
$view = new Piwik_View($this->dataTableTemplate);
$this->uniqueIdViewDataTable = $this->getUniqueIdViewDataTable();
$view->graphType = $this->graphType;
$this->chartDivId = $this->uniqueIdViewDataTable . "Chart_swf";
$this->parametersToModify['action'] = $this->currentControllerAction;
$this->parametersToModify = array_merge($this->variablesDefault, $this->parametersToModify);
$url = Piwik_Url::getCurrentQueryStringWithParametersModified($this->parametersToModify);
$this->includeData = Zend_Registry::get('config')->General->serve_widget_and_data;
$idSite = Piwik_Common::getRequestVar('idSite', 1);
if(Piwik::isUserHasViewAccess($idSite) && $this->includeData)
{
$this->chartData = $this->getFlashData();
}
else
{
$this->chartData = null;
}
$view->flashParameters = $this->getFlashParameters();
$view->urlGraphData = $url;
$view->chartDivId = $this->chartDivId;
$view->formEmbedId = "formEmbed".$this->uniqueIdViewDataTable;
$view->javascriptVariablesToSet = $this->getJavascriptVariablesToSet();
$view->properties = $this->getViewProperties();
return $view;
}
protected function getFlashData()
{
$saveGet = $_GET;
foreach($this->parametersToModify as $key => $val)
{
if (is_array($val)) {
$_GET[$key] = unserialize(serialize($val));
} else {
$_GET[$key] = $val;
}
}
$content = Piwik_FrontController::getInstance()->fetchDispatch( $this->currentControllerName, $this->currentControllerAction, array());
$_GET = $saveGet;
return str_replace(array("\r", "\n", "'"), array('', '', "\\'"), $content);
}
protected function getFlashParameters()
{
// chart title is only set when there's no data in the graph
$isDataAvailable = $this->chartData && !preg_match('/],\s+"title": {/', $this->chartData);
return array(
'width' => $this->width,
'height' => $this->height,
'ofcLibraryPath' => 'libs/open-flash-chart/',
'swfLibraryPath' => 'libs/swfobject/',
'requiredFlashVersion' => '9.0.0',
'isDataAvailable' => $isDataAvailable,
'includeData' => $this->includeData,
'data' => $this->chartData,
);
}
}
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