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<?php
/**
* @version 1.5 stable $Id: view.html.php 1959 2014-09-18 00:15:15Z ggppdk $
* @package Joomla
* @subpackage FLEXIcontent
* @copyright (C) 2009 Emmanuel Danan - www.vistamedia.fr
* @license GNU/GPL v2
*
* FLEXIcontent is a derivative work of the excellent QuickFAQ component
* @copyright (C) 2008 Christoph Lukes
* see www.schlu.net for more information
*
* FLEXIcontent is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details.
*/
// no direct access
defined( '_JEXEC' ) or die( 'Restricted access' );
jimport('legacy.view.legacy');
jimport('joomla.filesystem.file');
/**
* HTML View class for the Category View
*
* @package Joomla
* @subpackage FLEXIcontent
* @since 1.0
*/
class FlexicontentViewCategory extends JViewLegacy
{
/**
* Creates the page's display
*
* @since 1.0
*/
function display( $tpl = null )
{
// Initialize framework variables
$app = JFactory::getApplication();
$jinput = $app->input;
$user = JFactory::getUser();
$aid = JAccess::getAuthorisedViewLevels($user->id);
// Get model
$model = $this->getModel();
// Get the category, loading category data and doing parameters merging
$category = $this->get('Category');
// Get category parameters as VIEW's parameters (category parameters are merged parameters in order: layout(template-manager)/component/ancestors-cats/category/author/menu)
$params = $category->parameters;
/**
* Get configuration parameters
* For backend this is component parameters only
* For frontend this category parameters as VIEW's parameters (category parameters are merged parameters in order: layout(template-manager)/component/ancestors-cats/category/author/menu)
*/
$cparams = JComponentHelper::getParams('com_flexicontent');
$params = $app->isClient('administrator')
? $cparams
: $model->getCategory()->parameters;
// Check if CSV export button is enabled for current view
$show_csvbutton = $app->isClient('administrator')
? $params->get('show_csvbutton_be', 0)
: $params->get('show_csvbutton', 0) ;
if (!$show_csvbutton)
{
die('CSV export not enabled for this view');
}
$field_sep = $cparams->get('csv_export_field_sep', 0);
// Check if current view is filtered by item type
$filter_type = $model->getState('filter_type');
$csv_header = $app->isClient('administrator') ? (int) $model->getState('csv_header') : (int) $cparams->get('csv_export_header', 1);
$csv_raw_export = $app->isClient('administrator') ? (int) $model->getState('csv_raw_export') : 0;
$csv_all_fields = $app->isClient('administrator') ? (int) $model->getState('csv_all_fields') : 0;
$err_count = 0;
$csv_header = $csv_header === -1 ? (int) $cparams->get('csv_export_header', 1) : $csv_header;
if (!$filter_type && $app->isClient('administrator'))
{
$app->enqueueMessage(JText::_('FLEXI_CSV_EXPORT_PLEASE_FILTER_BY_TYPE'), 'warning');
$app->redirect($this->_getSafeReferer());
}
if (!$csv_header && $app->isClient('administrator'))
{
$app->enqueueMessage(JText::_('Please select Field name or Field label as header row.'), 'warning');
$err_count++;
}
if (!$csv_raw_export && $app->isClient('administrator'))
{
$app->enqueueMessage(JText::_('Please select to export values according to field configuration or to export raw values.'), 'warning');
$err_count++;
}
if (!$csv_all_fields && $app->isClient('administrator'))
{
$app->enqueueMessage(JText::_('Please select to export all fields or only configured fields'), 'warning');
$err_count++;
}
if ($err_count)
{
$app->enqueueMessage(JText::_('(Set this inside filters slider)'), 'warning');
$app->redirect($this->_getSafeReferer());
}
// Map of CORE to item properties
$core_props = array(
// Core fields (Having field property 'iscore': 1)
'title' => 'title',
'created_by' => 'author',
'modified_by' => 'modifier',
'created' => 'created',
'modified' => 'modified',
// Core-property fields (Having field type: 'coreprops')
'id' => 'id',
'access' => 'access',
'alias' => 'alias',
'lang' => 'language',
'language' => 'language',
'category' => 'catid',
'created_by_alias' => 'created_by_alias',
'publish_up' =>'publish_up',
'publish_down' =>'publish_down',
);
$has_pro = JPluginHelper::isEnabled($extfolder = 'system', $extname = 'flexisyspro');
$export_all_be = $has_pro && $app->isClient('administrator') && $jinput->getCmd('items_set', '') === 'all';
if ($export_all_be)
{
// Create plugin instance
$className = 'plg' . ucfirst($extfolder) . $extname;
$dispatcher = JEventDispatcher::getInstance();
$plg_db_data = JPluginHelper::getPlugin($extfolder, $extname);
$plg = new $className($dispatcher, array(
'type' => $extfolder,
'name' => $extname,
'params' => $plg_db_data->params,
));
if (!method_exists($plg, 'getItemsSet'))
{
$app->enqueueMessage(JText::_('FLEXI_PRO_VERSION_OUTDATED'), 'warning');
$app->redirect($this->_getSafeReferer());
}
}
/**
* Get first set of items
*/
if ($export_all_be)
{
$items = $plg->getItemsSet($model, $_init = true);
}
else
{
$limit = $jinput->get('limit', $model->getState('limit'));
$limit = $limit > 5000 ? 5000 : $limit;
$jinput->set('limit', $limit);
$model->setState('limit', $limit);
$items = $model->getData();
}
// Get custom fields and load their values
$_vars = null;
FlexicontentFields::getItemFields($items, $_vars, $_view = 'category', $aid);
/**
* Find fields that will be added to CSV export
*/
$total_fields = 0;
$item0 = reset($items);
foreach($item0->fields as $field)
{
FlexicontentFields::loadFieldConfig($field, $item0);
$is_coreprops_form_field = $field->field_type === 'coreprops' && substr($field->name, 0 , 5) === 'form_';
$include_in_csv_export = (int) $field->parameters->get('include_in_csv_export', 0);
$include_in_csv_export = $csv_all_fields !== 2 ? $include_in_csv_export : ($is_coreprops_form_field ? 0 : 1);
if (!$include_in_csv_export)
{
continue;
}
if ($field->field_type === 'coreprops' && substr($field->name, 0 , 5) === 'form_') die($field->name);
$total_fields++;
}
// Abort if no fields were configured for CSV export
if ($total_fields === 0)
{
$app->enqueueMessage(JText::_('FLEXI_CSV_EXPORT_ZERO_FIELDS_CONFIGURED_FOR_CSV_EXPORT'), 'warning');
$app->redirect($this->_getSafeReferer());
}
/**
* 1. Output HTTP HEADERS
*/
@ob_end_clean();
header("Pragma: no-cache");
header("Cache-Control: no-cache");
header("Expires: Mon, 26 Jul 1997 05:00:00 GMT");
header('Content-Encoding: UTF-8');
header('Content-type: text/csv; charset=UTF-8');
header('Content-Disposition: attachment; filename=EXPORT-'.rand().'.csv');
//header("Content-Transfer-Encoding: binary");
echo "\xEF\xBB\xBF"; // UTF-8 BOM
/**
* 2. Output HEADERS row
*/
$delim = '';
foreach($item0->fields as $field)
{
$is_coreprops_form_field = $field->field_type === 'coreprops' && substr($field->name, 0 , 5) === 'form_';
$include_in_csv_export = (int) $field->parameters->get('include_in_csv_export', 0);
$include_in_csv_export = $csv_all_fields !== 2 ? $include_in_csv_export : ($is_coreprops_form_field ? 0 : 1);
if (!$include_in_csv_export)
{
continue;
}
echo $delim . $this->_encodeCSVField($csv_header === 1 ? $field->label : $field->name);
$delim = $field_sep;
$total_fields++;
}
echo "\n";
// Try to create CSV export with all items
$limitstart = 0;
$limit = 2000;
$model->setState('limit', $limit);
/**
* 3. Output data rows
*/
while (!empty($items))
{
$item_count += count($items);
foreach($items as $item)
{
// Zero unneeded search index text
$item->search_index = '';
$delim = '';
foreach($item0->fields as $field_name => $field)
{
$is_coreprops_form_field = $field->field_type === 'coreprops' && substr($field->name, 0 , 5) === 'form_';
$include_in_csv_export = (int) $field->parameters->get('include_in_csv_export', 0);
$include_in_csv_export = $csv_all_fields !== 2 ? $include_in_csv_export : ($is_coreprops_form_field ? 0 : 1);
$csv_strip_html = (int) $field->parameters->get('csv_strip_html', 0);
if (!$include_in_csv_export)
{
continue;
}
// Render field's CSV display
elseif ($include_in_csv_export === 2)
{
FlexicontentFields::getFieldDisplay($items, $field->name, $values = null, $method = 'csv_export');
}
echo $delim;
$delim = $field_sep;
$vals = '';
// CASE 1: RENDERED value display !
if ($include_in_csv_export === 2)
{
// Check that field created a non-empty 'display' property named: "csv_export"
$vals = isset($item->onDemandFields[$field->name]->csv_export)
? $item->onDemandFields[$field->name]->csv_export
: '';
// Smart strip HTML tags without cutting the text
if ($csv_strip_html)
{
$vals = flexicontent_html::striptagsandcut($vals);
}
}
// CASE 2: CORE properties (special case), TODO: Implement this as "RENDERED value display" (and make it default output for them ?)
elseif ($field->iscore && isset($core_props[$field_name]))
{
if ($csv_raw_export === 2 && isset($item->$field_name))
{
$vals = $item->$field_name;
}
else
{
$prop = $core_props[$field_name];
$vals = $item->$prop;
}
}
elseif ($field->field_type === 'coreprops' && $include_in_csv_export === 1)
{
$props_type = $field->parameters->get('props_type', '');
$prop = isset($core_props[$props_type]) ? $core_props[$props_type] : $props_type;
$vals = isset($item->$prop) ? $item->$prop : '';
}
// CASE 3: RAW value display !
elseif (isset($item->fieldvalues[$field->id]))
{
if (is_array(reset($item->fieldvalues[$field->id])))
{
$vals = array();
foreach ($item->fieldvalues[$field->id] as $v)
{
$vals = implode(' | ', $v);
}
}
else
{
$vals = $item->fieldvalues[$field->id];
}
}
echo $this->_encodeCSVField( is_array($vals) ? implode(', ', $vals ) : $vals );
}
echo "\n";
}
/**
* Get time spent so far and break if near max_executime time
*/
$elapsed_microseconds = round(1000000 * 10 * (microtime(true) - $start_microtime)) / 10;
$_total_runtime += $elapsed_microseconds;
$start_microtime = microtime(true);
if ($max_execution_time && $_total_runtime > 3 * $max_execution_time / 4)
{
// Message cannot be set when using jexit() ...
//$app->enqueueMessage('Exported ' . $item_count . ' items. <br> 3/4 of max execution time ' . $max_execution_time . ' reached before exporting all items.', 'warning');
break;
}
/**
* Get next set of items from the model
*/
$items = $export_all_be
? $plg->getItemsSet($model)
: array();
// Get custom fields and load their values
$_vars = null;
FlexicontentFields::getItemFields($items, $_vars, $_view = 'category', $aid);
}
if (!count($items))
{
// Message cannot be set when using jexit() ...
//$app->enqueueMessage('Exported all items' ), 'warning');
}
// Need to exist here !! to avoid any other output
jexit();
}
protected function _encodeCSVField($string)
{
if (strpos($string, ',') !== false || strpos($string, '"') !== false || strpos($string, "\n") !== false)
{
$string = '"' . str_replace('"', '""', $string) . '"';
}
//return mb_convert_encoding($string, 'UTF-16LE', 'UTF-8');
return $string;
}
protected function _getSafeReferer()
{
// Get safe referer in case we abort
$referer = !empty($_SERVER['HTTP_REFERER']) ? $_SERVER['HTTP_REFERER'] : null;
return flexicontent_html::is_safe_url($referer)
? $referer
: JUri::base();
}
}