element buffering for CakePHP 1.3/2.0

app_13_helper.php

<?php

/**
 * for CakePHP 1.3
 *
 * Copyright 2012, nojimage http://php-tips.com/
 *
 * Licensed under The MIT License
 * Redistributions of files must retain the above copyright notice.
 *
 * @copyright  2012 nojimage
 * @license    http://www.opensource.org/licenses/mit-license.php The MIT License
 */
class AppHelper extends Helper {
	// .. snip another helper methods

	/**
	 * エレメントを読み込み、バッファリングする
	 *
	 * バッファリングしたエレメントはgetAttachedElements()で呼び出す。
	 *
	 * @param $name
	 * @param $params
	 * @param $loadHelpers
	 */
	function attachElement($name, $params = array(), $loadHelpers = false) {
		/* @var $view ThemeView */
		$view =& ClassRegistry::getObject('view');

		$blockName = 'attached';
		if (!empty($params['blockName'])) {
			$blockName = $params['blockName'];
			unset($params['blockName']);
		}

		if (empty($this->__attachedElements[$blockName])) {
			$this->__attachedElements[$blockName] = array();
		}

		$this->__attachedElements[$blockName][] = $view->element($name, $params, $loadHelpers);
	}

	/**
	 * attachElementで追加したブロックを取得する
	 *
	 * @param string $blockName
	 * @param string $separeter
	 * @param array  $wrap
	 */
	function getAttachedElements($blockName = 'attached', $separeter = '', $wrap = array()) {
		if (empty($this->__attachedElements[$blockName])) {
			return;
		}

		$elements = $this->__attachedElements[$blockName];

		$wrap = Set::normalize($wrap);

		foreach ($wrap as $tag => $options) {
			if (empty($options)) {
				$options = array();
			}

			$elements = array_map(
				array($this, '_wrapElement'), $elements, array_pad(array(), count($elements), $tag), array_pad(array(), count($elements), $options)
			);
		}

		return join($separeter, $elements);
	}

	/**
	 *
	 * @param string $element
	 * @param string $tag
	 * @param array  $attributes
	 */
	function _wrapElement($element, $tag, $options = array()) {
		return $this->tag($tag, $element, $options);
	}

	// .. snip another helper methods
}

app_20_helper.php

<?php

App::uses('Helper', 'View');

/**
 * for CakePHP 2.0
 *
 * Copyright 2012, nojimage http://php-tips.com/
 *
 * Licensed under The MIT License
 * Redistributions of files must retain the above copyright notice.
 *
 * @copyright  2012 nojimage
 * @license    http://www.opensource.org/licenses/mit-license.php The MIT License
 */
class AppHelper extends Helper {
	// .. snip another helper methods

	/**
	 * エレメントを読み込み、バッファリングする
	 *
	 * バッファリングしたエレメントはgetAttachedElements()で呼び出す。
	 *
	 * @param $name
	 * @param $params
	 * @param $loadHelpers
	 */
	public function attachElement($name, $params = array(), $loadHelpers = false) {
		$blockName = 'attached';
		if (!empty($params['blockName'])) {
			$blockName = $params['blockName'];
			unset($params['blockName']);
		}

		if (empty($this->__attachedElements[$blockName])) {
			$this->__attachedElements[$blockName] = array();
		}

		$this->__attachedElements[$blockName][] = $this->_View->element($name, $params, $loadHelpers);
	}

	/**
	 * attachElementで追加したブロックを取得する
	 *
	 * @param string $blockName
	 * @param string $separeter
	 * @param array  $wrap
	 */
	public function getAttachedElements($blockName = 'attached', $separeter = '', $wrap = array()) {
		if (empty($this->__attachedElements[$blockName])) {
			return;
		}

		$elements = $this->__attachedElements[$blockName];

		$wrap = Set::normalize($wrap);

		foreach ($wrap as $tag => $options) {
			if (empty($options)) {
				$options = array();
			}

			$elements = array_map(
				array($this, '_wrapElement'), $elements, array_pad(array(), count($elements), $tag), array_pad(array(), count($elements), $options)
			);
		}

		return join($separeter, $elements);
	}

	/**
	 *
	 * @param string $element
	 * @param string $tag
	 * @param array  $attributes
	 */
	protected function _wrapElement($element, $tag, $options = array()) {
		return $this->tag($tag, $element, $options);
	}

	// .. snip another helper methods
}

buffering in view.ctp

$this->Html->appendElement('element_name', $params);

flush buffered content in layout.ctp

echo $this->Html-> getAttachedElements();

using another block name

$this->Html->appendElement('element_first', array('blockName' => 'sidebar'));
$this->Html->appendElement('element_second', array('blockName' => 'sidebar'));

flush buffered content in layout.ctp

echo $this->Html-> getAttachedElements('sidebar');