private $_Parent;

private $_Items;

function __construct(&$parent) {

$this->_Parent = $parent;

}

function generate($items, $subsection_field, $subsection_id, $entry_id=NULL, $full=false) {

if(!is_array($items)) $items = array($items);

$this->_Items = $items;

// Fetch subsection meta data

$meta = Administration::instance()->Database->fetch(

"SELECT filter_tags, caption

FROM tbl_fields_subsectionmanager

WHERE field_id = '$subsection_field'

LIMIT 1"

);

// Fetch entry data

$sectionManager = new SectionManager($this->_Parent);

$subsection = $sectionManager->fetch($subsection_id, 'ASC', 'name');

$fields = $subsection->fetchFields();

$entries = $this->__filterEntries($subsection_id, $fields, $meta[0]['filter_tags'], $entry_id);

// Layout subsection data

$data = $this->__layoutSubsection($entries, $fields, $meta[0]['caption'], $full);

return $data;

}

function __filterEntries($subsection_id, $fields, $filter, $entry_id) {

// Fetch taglist, select and upload fields

$tag_fields = array();

foreach($fields as $field) {

if(in_array($field->get('type'), array('taglist', 'select'))) {

$tag_fields[] = $field->get('id');

}

}

// Fetch entry data

$entryManager = new EntryManager($this->_Parent);

$entries = $entryManager->fetch($entry_id, $subsection_id);

// Setup filter

$gogoes = array();

$nonos = array();

$filters = array();

if($filter != '') {

$filters = explode(', ', $filter);

}

foreach($filters as $filter) {

$operator = substr($filter, 0, 1);

if($operator == '-') {

$nonos[] = substr($filter, 1);

}

else {

$gogoes[] = $filter;

}

}

// Filter entries and add select options

$field_data = array();

if(is_array($entries) && !empty($entries)) {

foreach($entries as $entry) {

// Collect taglist and select field values

$tags = array();

foreach($tag_fields as $field_id) {

$tag_values = $entry_data[$field_id]['value'];

if(!is_array($tag_values)) {

$tag_values = array($tag_values);

}

$tags = array_merge($tags, $tag_values);

}

// Investigate entry exclusion

$filter_nonos = array_intersect($tags, $nonos);

// Investigate entry inclusion

$filter_gogoes = array_intersect($tags, $gogoes);

// Filter entries

if(empty($filter_nonos) && (!empty($filter_gogoes) || empty($gogoes)) ) {

$entry_data[] = array(

'data' => $entry->getData(),

'id' => $entry->get('id')

);

}

}

}

// Return filtered entry data

return $entry_data;

}

function __layoutSubsection($entries, $fields, $caption_template, $full) {

// Templates

$templates = array(

'text' => '<li value="{$value}"><span>{$caption}</span></li>',

'image' => '<li value="{$value}" class="image preview"><img src="' . URL . '/image/2/40/40/5{$preview}" width="40" height="40" /><span>{$caption}</span></li>',

'file' => '<li value="{$value}" class="file preview"><strong class="file">{$type}</strong><span>{$caption}</span></li>'

);

if(is_array($entries)) {

foreach($entries as $entry) {

// Fetch primary field

$field_data = $entry['data'][$fields[0]->get('id')]['value'];

// Fetch field value (string)

if(!empty($field_data)) {

if(is_array($field_data)) {

$field_value = implode(', ', $field_data);

}

else {

$field_value = $field_data;

}

}

else {

$field_value = __('Untitled');

}

// Populate select options

$options[] = array($entry['id'], in_array($entry['id'], $this->_Items), $field_value);

// Generate subsection values

$caption = $caption_template;

if(in_array($entry['id'], $this->_Items) || $full) {

$thumb = $type = $preview = $template = '';

foreach($fields as $field) {

$field_name = $field->get('element_name');

$field_id = $field->get('id');

$field_data = $entry['data'][$field_id]['value'];

if(is_array($field_data)) {

$field_value = implode(', ', $field_data);

}

elseif(empty($field_data) && $entry['data'][$field_id]['file']) {

$field_value = $entry['data'][$field_id]['file'];

}

else {

$field_value = $field_data;

}

// Caption

$caption = str_replace('{$' . $field_name . '}', $field_value, $caption);

// Find upload fields

if(strpos($field->get('type'), 'upload') !== false && !empty($entry['data'][$field->get('id')]['file'])) {

// Image

if(strpos($entry['data'][$field->get('id')]['mimetype'], 'image') !== false) {

$type = 'image';

$preview = $entry['data'][$field->get('id')]['file'];

}

// File

else {

$type = 'file';

$preview = pathinfo($entry['data'][$field->get('id')]['file'], PATHINFO_EXTENSION);

}

}

}

// Apply template

if($type == 'image') {

$template = str_replace('{$preview}', $preview, $templates['image']);

$template = str_replace('{$value}', $entry['id'], $template);

$html .= str_replace('{$caption}', $caption, $template);

}

elseif($type == 'file') {

$template = str_replace('{$type}', $preview, $templates['file']);

$template = str_replace('{$value}', $entry['id'], $template);

$html .= str_replace('{$caption}', $caption, $template);

}

else {

$template = str_replace('{$preview}', $entry['id'], $templates['text']);

$template = str_replace('{$value}', $entry['id'], $template);

$html .= str_replace('{$caption}', $caption, $template);

}

}

}

}

// Return options and html

return array(

'options' => $options,

'html' => $html

);

}