399 lines
15 KiB
PHP
399 lines
15 KiB
PHP
<?php
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// PHP Layers Menu 3.2.0-rc (C) 2001-2004 Marco Pratesi - http://www.marcopratesi.it/
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/**
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* This file contains the code of the TreeMenu class.
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* @package PHPLayersMenu
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*/
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/**
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* This is the TreeMenu class of the PHP Layers Menu library.
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*
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* This class depends on the LayersMenuCommon class and on the PEAR conforming version of the PHPLib Template class, i.e. on HTML_Template_PHPLIB
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*
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* @version 3.2.0-rc
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* @package PHPLayersMenu
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*/
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class TreeMenu extends LayersMenuCommon
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{
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/**
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* Type of images used for the Tree Menu
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* @access private
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* @var string
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*/
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public $treeMenuImagesType;
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/**
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* Prefix for filenames of images of a theme
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* @access private
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* @var string
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*/
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public $treeMenuTheme;
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/**
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* An array where we store the Tree Menu code for each menu
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* @access private
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* @var array
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*/
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public $_treeMenu;
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/**
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* The constructor method; it initializates the menu system
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* @return void
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*/
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function TreeMenu()
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{
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$this->LayersMenuCommon();
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$this->treeMenuImagesType = 'png';
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$this->treeMenuTheme = '';
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$this->_treeMenu = array();
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$this->_nodesCount = 0;
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$this->tree = array();
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$this->_maxLevel = array();
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$this->_firstLevelCnt = array();
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$this->_firstItem = array();
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$this->_lastItem = array();
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}
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/**
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* The method to set the dirroot directory
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* @access public
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* @return boolean
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*/
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function setDirroot($dirroot)
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{
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return $this->setDirrootCommon($dirroot);
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}
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/**
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* The method to set the type of images used for the Tree Menu
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* @access public
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* @return void
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*/
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function setTreeMenuImagesType($treeMenuImagesType)
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{
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$this->treeMenuImagesType = $treeMenuImagesType;
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}
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/**
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* The method to set the prefix for filenames of images of a theme
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* @access public
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* @return void
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*/
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function setTreeMenuTheme($treeMenuTheme)
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{
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$this->treeMenuTheme = $treeMenuTheme;
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}
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/**
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* Method to prepare a new Tree Menu.
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*
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* This method processes items of a menu to prepare and return
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* the corresponding Tree Menu code.
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*
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* @access public
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* @param string $menu_name the name of the menu whose items have to be processed
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* @return string
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*/
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function newTreeMenu(
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$menu_name = '' // non consistent default...
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)
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{
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/* If cookies were disabled, build the url parameter for the session id.
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It will be append to the url to be redirect */
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$id_session_param = '';
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if (SID != '')
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$id_session_param = sprintf('&%s=%s',session_name(),session_id());
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global $ldapserver;
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if (!isset($this->_firstItem[$menu_name]) || !isset($this->_lastItem[$menu_name])) {
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$this->error("newTreeMenu: the first/last item of the menu '$menu_name' is not defined; please check if you have parsed its menu data.");
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return 0;
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}
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$this->_treeMenu[$menu_name] = '';
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$img_collapse = $this->imgwww . $this->treeMenuTheme . 'tree_collapse.' . $this->treeMenuImagesType;
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$alt_collapse = '--';
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$img_collapse_corner = $this->imgwww . $this->treeMenuTheme . 'tree_collapse_corner.' . $this->treeMenuImagesType;
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$alt_collapse_corner = '--';
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$img_collapse_corner_first = $this->imgwww . $this->treeMenuTheme . 'tree_collapse_corner_first.' . $this->treeMenuImagesType;
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$alt_collapse_corner_first = '--';
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$img_collapse_first = $this->imgwww . $this->treeMenuTheme . 'tree_collapse_first.' . $this->treeMenuImagesType;
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$alt_collapse_first = '--';
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$img_corner = $this->imgwww . $this->treeMenuTheme . 'tree_corner.' . $this->treeMenuImagesType;
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$alt_corner = '`-';
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$img_expand = $this->imgwww . $this->treeMenuTheme . 'tree_expand.' . $this->treeMenuImagesType;
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$alt_expand = '+-';
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$img_expand_corner = $this->imgwww . $this->treeMenuTheme . 'tree_expand_corner.' . $this->treeMenuImagesType;
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$alt_expand_corner = '+-';
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$img_expand_corner_first = $this->imgwww . $this->treeMenuTheme . 'tree_expand_corner_first.' . $this->treeMenuImagesType;
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$alt_expand_corner_first = '+-';
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$img_expand_first = $this->imgwww . $this->treeMenuTheme . 'tree_expand_first.' . $this->treeMenuImagesType;
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$alt_expand_first = '+-';
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$img_folder_closed = $this->imgwww . $this->treeMenuTheme . 'tree_folder_closed.' . $this->treeMenuImagesType;
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$alt_folder_closed = '->';
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$img_folder_open = $this->imgwww . $this->treeMenuTheme . 'tree_folder_open.' . $this->treeMenuImagesType;
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$alt_folder_open = '->';
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$img_leaf = $this->imgwww . $this->treeMenuTheme . 'tree_leaf.' . $this->treeMenuImagesType;
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$alt_leaf = '->';
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$img_space = $this->imgwww . $this->treeMenuTheme . 'tree_space.' . $this->treeMenuImagesType;
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$alt_space = ' ';
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$img_split = $this->imgwww . $this->treeMenuTheme . 'tree_split.' . $this->treeMenuImagesType;
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$alt_split = '|-';
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$img_split_first = $this->imgwww . $this->treeMenuTheme . 'tree_split_first.' . $this->treeMenuImagesType;
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$alt_split_first = '|-';
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$img_vertline = $this->imgwww . $this->treeMenuTheme . 'tree_vertline.' . $this->treeMenuImagesType;
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$alt_vertline = '| ';
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for ($i=0; $i<=$this->_maxLevel[$menu_name]; $i++) {
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$levels[$i] = 0;
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}
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// Find last nodes of subtrees
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$last_level = $this->_maxLevel[$menu_name];
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for ($i=$this->_lastItem[$menu_name]; $i>=$this->_firstItem[$menu_name]; $i--) {
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if ($this->tree[$i]['level'] < $last_level) {
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for ($j=$this->tree[$i]['level']+1; $j<=$this->_maxLevel[$menu_name]; $j++) {
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$levels[$j] = 0;
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}
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}
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if ($levels[$this->tree[$i]['level']] == 0) {
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$levels[$this->tree[$i]['level']] = 1;
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$this->tree[$i]['last_item'] = 1;
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} else {
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$this->tree[$i]['last_item'] = 0;
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}
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$last_level = $this->tree[$i]['level'];
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}
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$toggle = '';
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$toggle_function_name = 'toggle' . $menu_name;
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for ($cnt=$this->_firstItem[$menu_name]; $cnt<=$this->_lastItem[$menu_name]; $cnt++) {
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if ($this->tree[$cnt]['text'] == '---') {
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continue; // separators are significant only for layers-based menus
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}
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if (isset($this->tree[$cnt]['selected']) && $this->tree[$cnt]['selected']) {
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$linkstyle = 'phplmselected';
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} else {
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$linkstyle = 'phplm';
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}
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$this->_treeMenu[$menu_name] .= '<div id="jt' . $cnt . '" class="treemenudiv">' . "\n";
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// vertical lines from higher levels
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for ($i=0; $i<$this->tree[$cnt]['level']-1; $i++) {
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if ($levels[$i] == 1) {
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$img = $img_vertline;
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$alt = $alt_vertline;
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} else {
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$img = $img_space;
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$alt = $alt_space;
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}
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$this->_treeMenu[$menu_name] .= '<img align="top" border="0" class="imgs" src="' . $img . '" alt="' . $alt . '" />';
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}
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$not_a_leaf = ($cnt<$this->_lastItem[$menu_name] && $this->tree[$cnt+1]['level']>$this->tree[$cnt]['level']) || (isset($this->tree[$cnt]['children']) && $this->tree[$cnt]['children']);
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if ($this->tree[$cnt]['last_item'] == 1) {
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// corner at end of subtree or t-split
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if ($not_a_leaf) {
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if ($cnt == $this->_firstItem[$menu_name]) {
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if ($this->tree[$cnt]['last_item'] && $this->tree[$cnt]['children']) {
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// Xavier Bruyet : 2006.09.28
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// Display for the first time the tree without the root node expanded
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$img = $img_expand_corner_first;
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$alt = $alt_expand_corner_first;
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// @todo: nasty hack, should really do this better.
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$parsed_href = preg_replace('/template_engine/','expand',$this->tree[$cnt]['parsed_href']);
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$this->_treeMenu[$menu_name] .= '<a href="' . $parsed_href . '"><img align="top" border="0" class="imgs" id="jt' . $cnt . 'node" src="' . $img . '" alt="' . $alt . '" /></a>';
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} else {
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$img = $img_collapse_corner_first;
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$alt = $alt_collapse_corner_first;
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$this->_treeMenu[$menu_name] .= '<a onmousedown="' . $toggle_function_name . "('" . $cnt . "')" . '"><img align="top" border="0" class="imgs" id="jt' . $cnt . 'node" src="' . $img . '" alt="' . $alt . '" /></a>';
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}
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} else {
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if ($this->tree[$cnt]['last_item'] && $this->tree[$cnt]['children']) {
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$img = $img_expand_corner;
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$alt = $alt_expand_corner;
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// @todo: nasty hack, should really do this better.
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$parsed_href = preg_replace('/template_engine/','expand',$this->tree[$cnt]['parsed_href']);
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$this->_treeMenu[$menu_name] .= '<a href="' . $parsed_href . '"><img align="top" border="0" class="imgs" id="jt' . $cnt . 'node" src="' . $img . '" alt="' . $alt . '" /></a>';
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} else {
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$img = $img_collapse_corner;
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$alt = $alt_collapse_corner;
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$this->_treeMenu[$menu_name] .= '<a onmousedown="' . $toggle_function_name . "('" . $cnt . "')" . '"><img align="top" border="0" class="imgs" id="jt' . $cnt . 'node" src="' . $img . '" alt="' . $alt . '" /></a>';
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}
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}
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} else {
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$this->_treeMenu[$menu_name] .= '<img align="top" border="0" class="imgs" src="' . $img_corner . '" alt="' . $alt_corner . '" />';
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}
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$levels[$this->tree[$cnt]['level']-1] = 0;
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} else {
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if ($not_a_leaf) {
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if ($cnt == $this->_firstItem[$menu_name]) {
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$img = $img_collapse_first;
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$alt = $alt_collapse_first;
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$this->_treeMenu[$menu_name] .= '<a onmousedown="' . $toggle_function_name . "('" . $cnt . "');" . '"><img align="top" border="0" class="imgs" id="jt' . $cnt . 'node" src="' . $img . '" alt="' . $alt . '" /></a>';
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} else {
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if (! $this->tree[$cnt]['last_item'] && $this->tree[$cnt]['children']) {
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$img = $img_expand;
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$alt = $alt_expand;
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// @todo: nasty hack, should really do this better.
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$parsed_href = preg_replace('/template_engine/','expand',$this->tree[$cnt]['parsed_href']);
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$this->_treeMenu[$menu_name] .= '<a href="' . $parsed_href . '"><img align="top" border="0" class="imgs" id="jt' . $cnt . 'node" src="' . $img . '" alt="' . $alt . '" /></a>';
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} else {
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$img = $img_collapse;
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$alt = $alt_collapse;
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$this->_treeMenu[$menu_name] .= '<a onmousedown="' . $toggle_function_name . "('" . $cnt . "');" . '"><img align="top" border="0" class="imgs" id="jt' . $cnt . 'node" src="' . $img . '" alt="' . $alt . '" /></a>';
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}
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}
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} else {
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if ($cnt == $this->_firstItem[$menu_name]) {
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$img = $img_split_first;
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$alt = $alt_split_first;
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} else {
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$img = $img_split;
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$alt = $alt_split;
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}
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$this->_treeMenu[$menu_name] .= '<img align="top" border="0" class="imgs" id="jt' . $cnt . 'node" src="' . $img . '" alt="' . $alt . '" />';
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}
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$levels[$this->tree[$cnt]['level']-1] = 1;
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}
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if ($this->tree[$cnt]['parsed_href'] == '' || $this->tree[$cnt]['parsed_href'] == '#') {
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$a_href_open_img = '';
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$a_href_close_img = '';
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$a_href_open = '<a class="phplmnormal">';
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$a_href_close = '</a>';
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} else {
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$a_href_open_img = '<a href="' . $this->tree[$cnt]['parsed_href'] . '"' . $this->tree[$cnt]['parsed_title'] . $this->tree[$cnt]['parsed_target'] . '>';
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$a_href_close_img = '</a>';
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$a_href_open = '<a name="' . sprintf('%s_%s%s',$ldapserver->server_id,rawurlencode($this->tree[$cnt]['title']),$id_session_param) . '" href="' . $this->tree[$cnt]['parsed_href'] . '"' . $this->tree[$cnt]['parsed_title'] . $this->tree[$cnt]['parsed_target'] . ' class="' . $linkstyle . '">';
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$a_href_close = '</a>';
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}
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if ($not_a_leaf) {
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// $this->_treeMenu[$menu_name] .= $a_href_open_img . '<img align="top" border="0" class="imgs" id="jt' . $cnt . 'folder" src="' . $img_folder_open . '" alt="' . $alt_folder_open . '" />' . $a_href_close_img;
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$this->_treeMenu[$menu_name] .= $a_href_open_img . '<img align="top" border="0" class="imgs" id="jt' . $cnt . 'folder" src="' . ($this->tree[$cnt]['parsed_icon'] ? $this->tree[$cnt]['parsed_icon'] : $img_folder_open) . '" alt="' . $alt_folder_open . '" />' . $a_href_close_img;
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} else {
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if ($this->tree[$cnt]['parsed_icon'] != '') {
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// $this->_treeMenu[$menu_name] .= $a_href_open_img . '<img align="top" border="0" src="' . $this->tree[$cnt]['parsed_icon'] . '" width="' . $this->tree[$cnt]['iconwidth'] . '" height="' . $this->tree[$cnt]['iconheight'] . '" alt="' . $alt_leaf . '" />' . $a_href_close_img;
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$this->_treeMenu[$menu_name] .= $a_href_open_img . '<img align="top" border="0" src="' . $this->tree[$cnt]['parsed_icon'] . '" alt="' . $alt_leaf . '" />' . $a_href_close_img;
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} else {
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$this->_treeMenu[$menu_name] .= $a_href_open_img . '<img align="top" border="0" class="imgs" src="' . $img_leaf . '" alt="' . $alt_leaf . '" />' . $a_href_close_img;
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}
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}
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$this->_treeMenu[$menu_name] .= ' ' . $a_href_open . $this->tree[$cnt]['text'] . $a_href_close . "\n";
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$this->_treeMenu[$menu_name] .= '</div>' . "\n";
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if ($cnt<$this->_lastItem[$menu_name] && $this->tree[$cnt]['level']<$this->tree[$cnt+1]['level']) {
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$this->_treeMenu[$menu_name] .= '<div id="jt' . $cnt . 'son" class="treemenudiv">' . "\n";
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if ($this->tree[$cnt]['expanded'] != 1) {
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$toggle .= 'if (phplm_expand[' . $cnt . '] != 1) ' . $toggle_function_name . "('" . $cnt . "');\n";
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} else {
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$toggle .= 'if (phplm_collapse[' . $cnt . '] == 1) ' . $toggle_function_name . "('" . $cnt . "');\n";
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}
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}
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if ($cnt>$this->_firstItem[$menu_name] && $this->tree[$cnt]['level']>$this->tree[$cnt+1]['level']) {
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for ($i=max(1, $this->tree[$cnt+1]['level']); $i<$this->tree[$cnt]['level']; $i++) {
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$this->_treeMenu[$menu_name] .= '</div>' . "\n";
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}
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}
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}
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/*
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$this->_treeMenu[$menu_name] =
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'<div class="phplmnormal">' . "\n" .
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$this->_treeMenu[$menu_name] .
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'</div>' . "\n";
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*/
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// Some (old) browsers do not support the "white-space: nowrap;" CSS property...
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$this->_treeMenu[$menu_name] =
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'<table cellspacing="0" cellpadding="0" border="0">' . "\n" .
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'<tr>' . "\n" .
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'<td class="phplmnormal" nowrap="nowrap">' . "\n" .
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$this->_treeMenu[$menu_name] .
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'</td>' . "\n" .
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'</tr>' . "\n" .
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'</table>' . "\n";
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$t = new Template_PHPLIB();
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$t->setFile('tplfile', $this->libjsdir . 'layerstreemenu.ijs');
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$t->setVar(array(
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'toggle_function_name' => $toggle_function_name,
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'img_collapse' => $img_collapse,
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'img_collapse_corner' => $img_collapse_corner,
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'img_collapse_corner_first' => $img_collapse_corner_first,
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'img_collapse_first' => $img_collapse_first,
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'img_expand' => $img_expand,
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'img_expand_corner' => $img_expand_corner,
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'img_expand_corner_first' => $img_expand_corner_first,
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'img_expand_first' => $img_expand_first,
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'img_folder_closed' => $img_folder_closed,
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'img_folder_open' => $img_folder_open
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));
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$inc = '<!-- # PHP layers menu. -->
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<script type="text/javascript" language="javascript" src="js/phplayersmenu/libjs/layersmenu-browser_detection.js"></script>
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<script type="text/javascript" language="javascript" src="js/phplayersmenu/libjs/layerstreemenu-cookies.js"></script>';
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$toggle_function = $t->parse('out', 'tplfile');
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$toggle_function =
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'<script language="JavaScript" type="text/javascript">' . "\n" .
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'<!--' . "\n" .
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$toggle_function .
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'// -->' . "\n" .
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'</script>' . "\n";
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$toggle =
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'<script language="JavaScript" type="text/javascript">' . "\n" .
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'<!--' . "\n" .
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'if ((DOM && !Opera56 && !Konqueror22) || IE4) {' . "\n" .
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$toggle .
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'}' . "\n" .
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'if (NS4) alert("Only the accessibility is provided to Netscape 4 on the JavaScript Tree Menu.\nWe *strongly* suggest you to upgrade your browser.");' . "\n" .
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'// -->' . "\n" .
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'</script>' . "\n";
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$this->_treeMenu[$menu_name] = $inc . "\n" . $toggle_function . "\n" . $this->_treeMenu[$menu_name] . "\n" . $toggle;
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return $this->_treeMenu[$menu_name];
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}
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/**
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* Method that returns the code of the requested Tree Menu
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* @access public
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* @param string $menu_name the name of the menu whose Tree Menu code
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* has to be returned
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* @return string
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*/
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function getTreeMenu($menu_name)
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{
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return $this->_treeMenu[$menu_name];
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}
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/**
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* Method that prints the code of the requested Tree Menu
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* @access public
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* @param string $menu_name the name of the menu whose Tree Menu code
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* has to be printed
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* @return void
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*/
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function printTreeMenu($menu_name)
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{
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print $this->_treeMenu[$menu_name];
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}
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} /* END OF CLASS */
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?>
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