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<?php
/**
* Abstract implementation of the Horde_Data:: API for IMC data -
* vCards and iCalendar data, etc. Provides a number of utility
* methods that vCard and iCalendar implementation can share and rely
* on.
*
* Copyright 1999-2016 Horde LLC (http://www.horde.org/)
*
* See the enclosed file COPYING for license information (LGPL). If you
* did not receive this file, see http://www.horde.org/licenses/lgpl21.
*
* @author Jan Schneider <jan@horde.org>
* @category Horde
* @package Data
*/
class Horde_Data_Imc extends Horde_Data_Base
{
/**
* @var
*/
protected $_iCal = false;
/**
*
* @throws Horde_Data_Exception
*/
public function importData($text)
{
$this->_iCal = new Horde_Icalendar();
if (!$this->_iCal->parsevCalendar($text)) {
throw new Horde_Data_Exception(Horde_Data_Translation::t("There was an error importing the iCalendar data."));
}
return $this->_iCal->getComponents();
}
/**
* Builds an iCalendar file from a given data structure and
* returns it as a string.
*
* @param array $data An array containing Horde_Icalendar_Vevent
* objects
* @param string $method The iTip method to use.
*
* @return string The iCalendar data.
*/
public function exportData($data, $method = 'REQUEST')
{
$this->_iCal = new Horde_Icalendar();
$this->_iCal->setAttribute('METHOD', $method);
foreach ($data as $event) {
$this->_iCal->addComponent($event);
}
return $this->_iCal->exportvCalendar();
}
/**
* Builds an iCalendar file from a given data structure and
* triggers its download. It DOES NOT exit the current script but
* only outputs the correct headers and data.
*
* @param string $filename The name of the file to be downloaded.
* @param array $data An array containing Horde_Icalendar_Vevents
*/
public function exportFile($filename, $data)
{
if (!isset($this->_browser)) {
throw new LogicException('Missing browser parameter.');
}
$export = $this->exportData($data);
$this->_browser->downloadHeaders($filename, 'text/calendar', false, strlen($export));
echo $export;
}
/**
* Takes all necessary actions for the given import step,
* parameters and form values and returns the next necessary step.
*
* @param integer $action The current step. One of the IMPORT_* constants.
* @param array $param An associative array containing needed
* parameters for the current step.
*
* @return mixed Either the next step as an integer constant or imported
* data set after the final step.
* @throws Horde_Data_Exception
*/
public function nextStep($action, array $param = array())
{
switch ($action) {
case Horde_Data::IMPORT_FILE:
parent::nextStep($action, $param);
$this->importFile($_FILES['import_file']['tmp_name']);
return $this->_iCal->getComponents();
case Horde_Data::IMPORT_URL:
parent::nextStep($action, $param);
$this->importUrl($this->_vars->import_url);
return $this->_iCal->getComponents();
}
return parent::nextStep($action, $param);
}
}
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