* @author Uwe Mindrup * @copyright 2001-2007 The PHP Group * @license http://www.php.net/license/3_01.txt PHP License 3.01 * @version CVS: $Id$ * @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 * @author Uwe Mindrup * @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('

', '

'); /** * The HTML that will wrap around menu item * @see setItemTemplate() * @var array */ var $_itemTemplate = array('

', '

'); /** * Templates for menu entries * @see setEntryTemplate() * @var array */ var $_entryTemplates = array( HTML_MENU_ENTRY_INACTIVE => '{title}', HTML_MENU_ENTRY_ACTIVE => '{title}', HTML_MENU_ENTRY_ACTIVEPATH => '{title}' ); /**#@-*/ function setMenuType($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; } } } ?>