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<?php
/**
* The 'direct' renderer for 'tree' and 'sitemap' menu types where level is represented by tags nesting.
*
* PHP versions 4 and 5
*
* LICENSE: This source file is subject to version 3.01 of the PHP license
* that is available through the world-wide-web at the following URI:
* http://www.php.net/license/3_01.txt If you did not receive a copy of
* the PHP License and are unable to obtain it through the web, please
* send a note to license@php.net so we can mail you a copy immediately.
*
* @category HTML
* @package HTML_Menu
* @author Alexey Borzov <avb@php.net>
* @author Uwe Mindrup <uwe@mindrup.de>
* @copyright 2001-2007 The PHP Group
* @license http://www.php.net/license/3_01.txt PHP License 3.01
* @version CVS: $Id: DirectTreeRenderer.php,v 1.4 2007/05/18 20:54:33 avb Exp $
* @link http://pear.php.net/package/HTML_Menu
*/
/**
* Abstract base class for HTML_Menu renderers
*/
require_once 'HTML/Menu/Renderer.php';
/**
* The 'direct' renderer for 'tree' and 'sitemap' menu types where level is
* represented by tags nesting.
*
* Thanks to Uwe Mindrup for the idea and initial implementation.
*
* @category HTML
* @package HTML_Menu
* @author Alexey Borzov <avb@php.net>
* @author Uwe Mindrup <uwe@mindrup.de>
* @version Release: 2.1.4
*/
class HTML_Menu_DirectTreeRenderer extends HTML_Menu_Renderer
{
/**#@+
* @access private
*/
/**
* Generated HTML for the menu
* @var string
*/
var $_html = '';
/**
* Generated HTML for the current branches
* @var string
*/
var $_levelHtml = array();
/**
* Generated HTML for the current menu items
* @var string
*/
var $_itemHtml = array();
/**
* The HTML that will wrap around a complete (sub)menu
* @see setLevelTemplate()
* @var array
*/
var $_levelTemplate = array('<ul>', '</ul>');
/**
* The HTML that will wrap around menu item
* @see setItemTemplate()
* @var array
*/
var $_itemTemplate = array('<li>', '</li>');
/**
* Templates for menu entries
* @see setEntryTemplate()
* @var array
*/
var $_entryTemplates = array(
HTML_MENU_ENTRY_INACTIVE => '<a href="{url}">{title}</a>',
HTML_MENU_ENTRY_ACTIVE => '<strong>{title}</strong>',
HTML_MENU_ENTRY_ACTIVEPATH => '<a href="{url}"><em>{title}</em></a>'
);
/**#@-*/
function setMenuType($menuType)
{
if ('tree' == $menuType || 'sitemap' == $menuType) {
$this->_menuType = $menuType;
} else {
require_once 'PEAR.php';
return PEAR::raiseError("HTML_Menu_DirectTreeRenderer: unable to render '$menuType' type menu");
}
}
function finishLevel($level)
{
isset($this->_levelHtml[$level]) or $this->_levelHtml[$level] = '';
$this->_levelHtml[$level] .= $this->_itemTemplate[0] . $this->_itemHtml[$level] . $this->_itemTemplate[1];
if (0 < $level) {
$this->_itemHtml[$level - 1] .= $this->_levelTemplate[0] . $this->_levelHtml[$level] . $this->_levelTemplate[1];
} else {
$this->_html = $this->_levelTemplate[0] . $this->_levelHtml[$level] . $this->_levelTemplate[1];
}
unset($this->_itemHtml[$level], $this->_levelHtml[$level]);
}
function renderEntry($node, $level, $type)
{
if (!empty($this->_itemHtml[$level])) {
isset($this->_levelHtml[$level]) or $this->_levelHtml[$level] = '';
$this->_levelHtml[$level] .= $this->_itemTemplate[0] . $this->_itemHtml[$level] . $this->_itemTemplate[1];
}
$keys = $values = array();
foreach ($node as $k => $v) {
if ('sub' != $k && is_scalar($v)) {
$keys[] = '{' . $k . '}';
$values[] = $v;
}
}
$this->_itemHtml[$level] = str_replace($keys, $values, $this->_entryTemplates[$type]);
}
/**
* returns the HTML generated for the menu
*
* @access public
* @return string
*/
function toHtml()
{
return $this->_html;
} // end func toHtml
/**
* Sets the item template (HTML that wraps around entries)
*
* @access public
* @param string this will be prepended to the entry HTML
* @param string this will be appended to the entry HTML
*/
function setItemTemplate($prepend, $append)
{
$this->_itemTemplate = array($prepend, $append);
}
/**
* Sets the level template (HTML that wraps around the submenu)
*
* @access public
* @param string this will be prepended to the submenu HTML
* @param string this will be appended to the submenu HTML
*/
function setLevelTemplate($prepend, $append)
{
$this->_levelTemplate = array($prepend, $append);
}
/**
* Sets the template for menu entry.
*
* The template should contain at least the {title} placeholder, can also contain
* {url} and {indent} placeholders, depending on entry type.
*
* @access public
* @param mixed either type (one of HTML_MENU_ENTRY_* constants) or an array 'type' => 'template'
* @param string template for this entry type if $type is not an array
*/
function setEntryTemplate($type, $template = null)
{
if (is_array($type)) {
// array_merge() will not work here: the keys are numeric
foreach ($type as $typeId => $typeTemplate) {
if (isset($this->_entryTemplates[$typeId])) {
$this->_entryTemplates[$typeId] = $typeTemplate;
}
}
} else {
$this->_entryTemplates[$type] = $template;
}
}
}
?>
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