/**
* Renders the block
*
* @param Context $context
*
* @return string
*/
public function render(Context $context)
{
$output = parent::render($context);
if ($this->lastValue == $output) {
return '';
} else {
$this->lastValue = $output;
return $this->lastValue;
}
}
/**
* Constructor
*
* @param string $markup
* @param Array $tokens
* @param FileSystem $fileSystem
*
* @throws \Liquid\LiquidException
* @return \Liquid\Tag\TagBlock
*/
public function __construct($markup, array &$tokens, FileSystem $fileSystem = null)
{
$syntaxRegexp = new Regexp('/(\\w+)/');
if ($syntaxRegexp->match($markup)) {
$this->block = $syntaxRegexp->matches[1];
parent::__construct($markup, $tokens, $fileSystem);
} else {
throw new LiquidException("Syntax Error in 'block' - Valid syntax: block [name]");
}
}
/**
* Constructor
*
* @param string $markup
* @param array $tokens
* @param FileSystem $fileSystem
*
* @throws \Liquid\LiquidException
*/
public function __construct($markup, array &$tokens, FileSystem $fileSystem = null)
{
parent::__construct($markup, $tokens, $fileSystem);
$syntax = new Regexp("/(\\w+)\\s+in\\s+(" . Liquid::get('ALLOWED_VARIABLE_CHARS') . "+)/");
if ($syntax->match($markup)) {
$this->variableName = $syntax->matches[1];
$this->collectionName = $syntax->matches[2];
$this->extractAttributes($markup);
} else {
throw new LiquidException("Syntax Error in 'table_row loop' - Valid syntax: table_row [item] in [collection] cols=3");
}
}
/**
* Constructor
*
* @param string $markup
* @param array $tokens
* @param FileSystem $fileSystem
*
* @throws \Liquid\LiquidException
*/
public function __construct($markup, array &$tokens, FileSystem $fileSystem = null)
{
parent::__construct($markup, $tokens, $fileSystem);
$syntaxRegexp = new Regexp('/(\\w+)\\s+in\\s+(' . Liquid::get('ALLOWED_VARIABLE_CHARS') . '+)/');
if ($syntaxRegexp->match($markup)) {
$this->variableName = $syntaxRegexp->matches[1];
$this->collectionName = $syntaxRegexp->matches[2];
$this->name = $syntaxRegexp->matches[1] . '-' . $syntaxRegexp->matches[2];
$this->extractAttributes($markup);
} else {
throw new LiquidException("Syntax Error in 'for loop' - Valid syntax: for [item] in [collection]");
}
}
/**
* Renders the tag
*
* @param Context $context
*
* @return string
*
*/
public function render(Context $context)
{
$this->currentPage = is_numeric($context->get('page')) ? $context->get('page') : 1;
$this->currentOffset = ($this->currentPage - 1) * $this->numberItems;
$this->collection = $context->get($this->collectionName);
$this->collectionSize = count($this->collection);
$this->totalPages = ceil($this->collectionSize / $this->numberItems);
$paginatedCollection = array_slice($this->collection, $this->currentOffset, $this->numberItems);
// Sets the collection if it's a key of another collection (ie search.results, collection.products, blog.articles)
$segments = explode('.', $this->collectionName);
if (count($segments) == 2) {
$context->set($segments[0], array($segments[1] => $paginatedCollection));
} else {
$context->set($this->collectionName, $paginatedCollection);
}
$paginate = array('page_size' => $this->numberItems, 'current_page' => $this->currentPage, 'current_offset' => $this->currentOffset, 'pages' => $this->totalPages, 'items' => $this->collectionSize);
if ($this->currentPage != 1) {
$paginate['previous']['title'] = 'Previous';
$paginate['previous']['url'] = $this->currentUrl($context) . '?page=' . ($this->currentPage - 1);
}
if ($this->currentPage != $this->totalPages) {
$paginate['next']['title'] = 'Next';
$paginate['next']['url'] = $this->currentUrl($context) . '?page=' . ($this->currentPage + 1);
}
$context->set('paginate', $paginate);
return parent::render($context);
}
/**
* Renders the block
*
* @param Context $context
*
* @return string
*/
public function render(Context $context)
{
$output = parent::render($context);
$context->set($this->to, $output);
return '';
}
