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<?php
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// $Id: include.php 860 2008-10-21 14:32:18Z Ruebenwurzel $
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/*
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show_menu2: show_menu replacement for Website Baker
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Copyright (C) 2006-2008, Brodie Thiesfield
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This program is free software; you can redistribute it and/or
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modify it under the terms of the GNU General Public License
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as published by the Free Software Foundation; either version 2
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of the License, or (at your option) any later version.
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This program is distributed in the hope that it will be useful,
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but WITHOUT ANY WARRANTY; without even the implied warranty of
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MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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GNU General Public License for more details.
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You should have received a copy of the GNU General Public License
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along with this program; if not, write to the Free Software
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Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA
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02110-1301, USA.
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***********************************************
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** Version 4.7: see README for documentation **
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***********************************************
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*/
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define('SM2_ROOT', -1000);
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define('SM2_CURR', -2000);
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define('SM2_ALLMENU', -1);
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define('SM2_START', 1000);
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define('SM2_MAX', 2000);
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define('SM2_ALL', 0x0001); // bit 0 (group 1) (Note: also used for max level!)
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define('SM2_TRIM', 0x0002); // bit 1 (group 1)
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define('SM2_CRUMB', 0x0004); // bit 2 (group 1)
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define('SM2_SIBLING', 0x0008); // bit 3 (group 1)
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define('SM2_NUMCLASS', 0x0010); // bit 4
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define('SM2_ALLINFO', 0x0020); // bit 5
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define('SM2_NOCACHE', 0x0040); // bit 6
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define('SM2_PRETTY', 0x0080); // bit 7
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define('SM2_ESCAPE', 0x0100); // bit 8
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define('SM2_NOESCAPE', 0); // NOOP, unnecessary with WB 2.6.7+
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define('SM2_BUFFER', 0x0200); // bit 9
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define('SM2_CURRTREE', 0x0400); // bit 10
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define('_SM2_GROUP_1', 0x000F); // exactly one flag from group 1 is required
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// Implement support for page_menu and show_menu using show_menu2. If you remove
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// the comments characters from the beginning of the following include, all menu
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// functions in Website Baker will be implemented using show_menu2. While it is
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// commented out, the original WB functions will be used.
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//include('legacy.php');
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// This class is the default menu formatter for sm2. If desired, you can
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// create your own formatter class and pass the object into show_menu2
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// as $aItemFormat.
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define('SM2_CONDITIONAL','if\s*\(([^\)]+)\)\s*{([^}]*)}\s*(?:else\s*{([^}]*)}\s*)?');
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define('SM2_COND_TERM','\s*(\w+)\s*(<|<=|==|=|=>|>|!=)\s*([\w\-]+)\s*');
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class SM2_Formatter
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{
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var $output;
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var $flags;
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var $itemOpen;
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var $itemClose;
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var $menuOpen;
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var $menuClose;
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var $topItemOpen;
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var $topMenuOpen;
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var $isFirst;
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var $page;
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var $url;
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var $currSib;
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var $sibCount;
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var $currClass;
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var $prettyLevel;
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// output the data
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function output($aString) {
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if ($this->flags & SM2_BUFFER) {
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$this->output .= $aString;
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}
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else {
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echo $aString;
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}
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}
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// set the default values for all of our formatting items
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function set($aFlags, $aItemOpen, $aItemClose, $aMenuOpen, $aMenuClose, $aTopItemOpen, $aTopMenuOpen) {
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$this->flags = $aFlags;
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$this->itemOpen = is_string($aItemOpen) ? $aItemOpen : '[li][a][menu_title]</a>';
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$this->itemClose = is_string($aItemClose) ? $aItemClose : '</li>';
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$this->menuOpen = is_string($aMenuOpen) ? $aMenuOpen : '[ul]';
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$this->menuClose = is_string($aMenuClose) ? $aMenuClose : '</ul>';
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$this->topItemOpen = is_string($aTopItemOpen) ? $aTopItemOpen : $this->itemOpen;
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$this->topMenuOpen = is_string($aTopMenuOpen) ? $aTopMenuOpen : $this->menuOpen;
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}
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// initialize the state of the formatter before anything is output
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function initialize() {
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$this->output = '';
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$this->prettyLevel = 0;
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if ($this->flags & SM2_PRETTY) {
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$this->output("\n<!-- show_menu2 -->");
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}
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}
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// start a menu
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function startList(&$aPage, &$aUrl) {
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$currClass = '';
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$currItem = $this->menuOpen;
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// use the top level menu open if this is the first menu
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if ($this->topMenuOpen) {
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$currItem = $this->topMenuOpen;
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$currClass .= ' menu-top';
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$this->topMenuOpen = false;
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}
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// add the numbered menu class only if requested
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if (($this->flags & SM2_NUMCLASS) == SM2_NUMCLASS) {
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$currClass .= ' menu-'.$aPage['level'];
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}
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$this->prettyLevel += 1;
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// replace all keywords in the output
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if ($this->flags & SM2_PRETTY) {
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$this->output("\n".str_repeat(' ',$this->prettyLevel).
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$this->format($aPage, $aUrl, $currItem, $currClass));
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}
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else {
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$this->output($this->format($aPage, $aUrl, $currItem, $currClass));
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}
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$this->prettyLevel += 3;
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}
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// start an item within the menu
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function startItem(&$aPage, &$aUrl, $aCurrSib, $aSibCount) {
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// generate our class list
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$currClass = '';
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if (($this->flags & SM2_NUMCLASS) == SM2_NUMCLASS) {
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$currClass .= ' menu-'.$aPage['level'];
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}
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if (array_key_exists('sm2_has_child', $aPage)) {
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// not set if false, so existence = true
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$currClass .= ' menu-expand';
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}
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if (array_key_exists('sm2_is_curr', $aPage)) {
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$currClass .= ' menu-current';
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}
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elseif (array_key_exists('sm2_is_parent', $aPage)) {
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// not set if false, so existence = true
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$currClass .= ' menu-parent';
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}
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elseif (array_key_exists('sm2_is_sibling', $aPage)) {
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// not set if false, so existence = true
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$currClass .= ' menu-sibling';
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}
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elseif (array_key_exists('sm2_child_level',$aPage)) {
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// not set if not a child
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$currClass .= ' menu-child';
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if (($this->flags & SM2_NUMCLASS) == SM2_NUMCLASS) {
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$currClass .= ' menu-child-'.($aPage['sm2_child_level']-1);
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}
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}
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if ($aCurrSib == 1) {
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$currClass .= ' menu-first';
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}
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if ($aCurrSib == $aSibCount) {
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$currClass .= ' menu-last';
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}
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// use the top level item if this is the first item
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$currItem = $this->itemOpen;
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if ($this->topItemOpen) {
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$currItem = $this->topItemOpen;
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$this->topItemOpen = false;
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}
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// replace all keywords in the output
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if ($this->flags & SM2_PRETTY) {
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$this->output("\n".str_repeat(' ',$this->prettyLevel));
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}
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$this->output($this->format($aPage, $aUrl, $currItem, $currClass, $aCurrSib, $aSibCount));
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}
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// find and replace all keywords, setting the state variables first
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function format(&$aPage, &$aUrl, &$aCurrItem, &$aCurrClass,
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$aCurrSib = 0, $aSibCount = 0)
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{
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$this->page = &$aPage;
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$this->url = &$aUrl;
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$this->currClass = trim($aCurrClass);
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$this->currSib = $aCurrSib;
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$this->sibCount = $aSibCount;
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$item = $this->format2($aCurrItem);
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unset($this->page);
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unset($this->url);
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unset($this->currClass);
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return $item;
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}
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// find and replace all keywords
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function format2(&$aCurrItem) {
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if (!is_string($aCurrItem)) return '';
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return preg_replace(
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'@\[('.
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'a|ac|/a|li|/li|ul|/ul|menu_title|page_title|url|target|page_id|'.
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'parent|level|sib|sibCount|class|description|keywords|'.
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SM2_CONDITIONAL.
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')\]@e',
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'$this->replace("\1")', $aCurrItem);
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}
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// replace the keywords
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function replace($aMatch) {
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switch ($aMatch) {
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case 'a':
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return '<a href="'.$this->url.'" target="'.$this->page['target'].'">';
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case 'ac':
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return '<a href="'.$this->url.'" target="'.$this->page['target'].'" class="'.$this->currClass.'">';
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case '/a':
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return '</a>';
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case 'li':
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return '<li class="'.$this->currClass.'">';
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case '/li':
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return '</li>';
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case 'ul':
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return '<ul class="'.$this->currClass.'">';
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case '/ul':
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return '</ul>';
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case 'url':
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return $this->url;
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case 'sib':
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return $this->currSib;
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case 'sibCount':
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return $this->sibCount;
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case 'class':
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return $this->currClass;
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default:
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if (array_key_exists($aMatch, $this->page)) {
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if ($this->flags & SM2_ESCAPE) {
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return htmlspecialchars($this->page[$aMatch], ENT_QUOTES);
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}
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else {
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return $this->page[$aMatch];
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}
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}
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if (preg_match('/'.SM2_CONDITIONAL.'/', $aMatch, $rgMatches)) {
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return $this->replaceIf($rgMatches[1], $rgMatches[2], $rgMatches[3]);
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}
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}
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return "[$aMatch=UNKNOWN]";
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}
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// conditional replacement
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function replaceIf(&$aExpression, &$aIfValue, &$aElseValue) {
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// evaluate all of the tests in the conditional (we don't do short-circuit
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// evaluation) and replace the string test with the boolean result
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$rgTests = preg_split('/(\|\||\&\&)/', $aExpression, -1, PREG_SPLIT_DELIM_CAPTURE);
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for ($n = 0; $n < count($rgTests); $n += 2) {
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if (preg_match('/'.SM2_COND_TERM.'/', $rgTests[$n], $rgMatches)) {
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$rgTests[$n] = $this->ifTest($rgMatches[1], $rgMatches[2], $rgMatches[3]);
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}
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else {
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error_log("show_menu2 error: conditional expression is invalid!");
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$rgTests[$n] = false;
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}
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}
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// combine all test results for a final result
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$ok = $rgTests[0];
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for ($n = 1; $n+1 < count($rgTests); $n += 2) {
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if ($rgTests[$n] == '||') {
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$ok = $ok || $rgTests[$n+1];
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}
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else {
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$ok = $ok && $rgTests[$n+1];
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}
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}
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// return the formatted expression if the test succeeded
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return $ok ? $this->format2($aIfValue) : $this->format2($aElseValue);
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}
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// conditional test
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function ifTest(&$aKey, &$aOperator, &$aValue) {
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global $wb;
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// find the correct operand
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$operand = false;
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switch($aKey) {
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case 'class':
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// we need to wrap the class names in spaces so we can test for a unique
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// class name that will not match prefixes or suffixes. Same must be done
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// for the value we are testing.
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$operand = " $this->currClass ";
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break;
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case 'sib':
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$operand = $this->currSib;
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if ($aValue == 'sibCount') {
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$aValue = $this->sibCount;
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}
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break;
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case 'sibCount':
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$operand = $this->sibCount;
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break;
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case 'level':
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$operand = $this->page['level'];
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switch ($aValue) {
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case 'root': $aValue = 0; break;
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case 'granny': $aValue = $wb->page['level']-2; break;
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case 'parent': $aValue = $wb->page['level']-1; break;
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case 'current': $aValue = $wb->page['level']; break;
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case 'child': $aValue = $wb->page['level']+1; break;
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}
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if ($aValue < 0) $aValue = 0;
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break;
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case 'id':
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$operand = $this->page['page_id'];
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switch ($aValue) {
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case 'parent': $aValue = $wb->page['parent']; break;
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case 'current': $aValue = $wb->page['page_id']; break;
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}
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break;
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default:
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return '';
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}
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336
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337
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// do the test
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338
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$ok = false;
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339
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switch ($aOperator) {
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340
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case '<':
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$ok = ($operand < $aValue);
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break;
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case '<=':
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$ok = ($operand <= $aValue);
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break;
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case '=':
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case '==':
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case '!=':
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if ($aKey == 'class') {
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350
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$ok = strstr($operand, " $aValue ") !== FALSE;
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}
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else {
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$ok = ($operand == $aValue);
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}
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if ($aOperator == '!=') {
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$ok = !$ok;
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}
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break;
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359
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case '>=':
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$ok = ($operand >= $aValue);
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361
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case '>':
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362
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$ok = ($operand > $aValue);
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}
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364
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365
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return $ok;
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366
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}
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367
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368
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// finish the current menu item
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369
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function finishItem() {
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370
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if ($this->flags & SM2_PRETTY) {
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$this->output(str_repeat(' ',$this->prettyLevel).$this->itemClose);
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}
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else {
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374
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$this->output($this->itemClose);
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}
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376
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}
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377
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378
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// finish the current menu
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379
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function finishList() {
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380
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$this->prettyLevel -= 3;
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381
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382
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if ($this->flags & SM2_PRETTY) {
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$this->output("\n".str_repeat(' ',$this->prettyLevel).$this->menuClose."\n");
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}
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else {
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$this->output($this->menuClose);
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}
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388
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389
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$this->prettyLevel -= 1;
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}
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391
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// cleanup the state of the formatter after everything has been output
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function finalize() {
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394
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if ($this->flags & SM2_PRETTY) {
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$this->output("\n");
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}
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397
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}
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398
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399
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// return the output
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400
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function getOutput() {
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401
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return $this->output;
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402
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}
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};
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404
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405
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function show_menu2(
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406
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$aMenu = 0,
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407
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$aStart = SM2_ROOT,
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408
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$aMaxLevel = -1999, // SM2_CURR+1
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409
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$aOptions = SM2_TRIM,
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$aItemOpen = false,
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411
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$aItemClose = false,
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412
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$aMenuOpen = false,
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$aMenuClose = false,
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414
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$aTopItemOpen = false,
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415
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$aTopMenuOpen = false
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416
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)
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417
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{
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418
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global $wb;
|
419
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|
420
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// extract the flags and set $aOptions to an array
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421
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$flags = 0;
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422
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if (is_int($aOptions)) {
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423
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$flags = $aOptions;
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424
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$aOptions = array();
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425
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}
|
426
|
else if (isset($aOptions['flags'])) {
|
427
|
$flags = $aOptions['flags'];
|
428
|
}
|
429
|
else {
|
430
|
$flags = SM2_TRIM;
|
431
|
$aOptions = array();
|
432
|
error_log('show_menu2 error: $aOptions is invalid. No flags supplied!');
|
433
|
}
|
434
|
|
435
|
// ensure we have our group 1 flag, we don't check for the "exactly 1" part, but
|
436
|
// we do ensure that they provide at least one.
|
437
|
if (0 == ($flags & _SM2_GROUP_1)) {
|
438
|
error_log('show_menu2 error: $aOptions is invalid. No flags from group 1 supplied!');
|
439
|
$flags |= SM2_TRIM; // default to TRIM
|
440
|
}
|
441
|
|
442
|
// search page results don't have any of the page data loaded by WB, so we load it
|
443
|
// ourselves using the referrer ID as the current page
|
444
|
$CURR_PAGE_ID = defined('REFERRER_ID') ? REFERRER_ID : PAGE_ID;
|
445
|
if (count($wb->page) == 0 && defined('REFERRER_ID') && REFERRER_ID > 0) {
|
446
|
global $database;
|
447
|
$sql = "SELECT * FROM ".TABLE_PREFIX."pages WHERE page_id = '".REFERRER_ID."'";
|
448
|
$result = $database->query($sql);
|
449
|
if ($result->numRows() == 1) {
|
450
|
$wb->page = $result->fetchRow();
|
451
|
}
|
452
|
unset($result);
|
453
|
}
|
454
|
|
455
|
// fix up the menu number to default to the menu number
|
456
|
// of the current page if no menu has been supplied
|
457
|
if ($aMenu == 0) {
|
458
|
$aMenu = $wb->page['menu'] == '' ? 1 : $wb->page['menu'];
|
459
|
}
|
460
|
|
461
|
// Set some of the $wb->page[] settings to defaults if not set
|
462
|
$pageLevel = $wb->page['level'] == '' ? 0 : $wb->page['level'];
|
463
|
$pageParent = $wb->page['parent'] == '' ? 0 : $wb->page['parent'];
|
464
|
|
465
|
// adjust the start level and start page ID as necessary to
|
466
|
// handle the special values that can be passed in as $aStart
|
467
|
$aStartLevel = 0;
|
468
|
if ($aStart < SM2_ROOT) { // SM2_CURR+N
|
469
|
if ($aStart == SM2_CURR) {
|
470
|
$aStartLevel = $pageLevel;
|
471
|
$aStart = $pageParent;
|
472
|
}
|
473
|
else {
|
474
|
$aStartLevel = $pageLevel + $aStart - SM2_CURR;
|
475
|
$aStart = $CURR_PAGE_ID;
|
476
|
}
|
477
|
}
|
478
|
elseif ($aStart < 0) { // SM2_ROOT+N
|
479
|
$aStartLevel = $aStart - SM2_ROOT;
|
480
|
$aStart = 0;
|
481
|
}
|
482
|
|
483
|
// we get the menu data once and store it in a global variable. This allows
|
484
|
// multiple calls to show_menu2 in a single page with only a single call to
|
485
|
// the database. If this variable exists, then we have already retrieved all
|
486
|
// of the information and processed it, so we don't need to do it again.
|
487
|
if (($flags & SM2_NOCACHE) != 0
|
488
|
|| !array_key_exists('show_menu2_data', $GLOBALS)
|
489
|
|| !array_key_exists($aMenu, $GLOBALS['show_menu2_data']))
|
490
|
{
|
491
|
global $database;
|
492
|
|
493
|
// create an array of all parents of the current page. As the page_trail
|
494
|
// doesn't include the theoretical root element 0, we add it ourselves.
|
495
|
$rgCurrParents = split(',', '0,'.$wb->page['page_trail']);
|
496
|
array_pop($rgCurrParents); // remove the current page
|
497
|
$rgParent = array();
|
498
|
|
499
|
// if the caller wants all menus gathered together (e.g. for a sitemap)
|
500
|
// then we don't limit our SQL query
|
501
|
$menuLimitSql = ' AND menu = ' .$aMenu;
|
502
|
if ($aMenu == SM2_ALLMENU) {
|
503
|
$menuLimitSql = '';
|
504
|
}
|
505
|
|
506
|
// we only load the description and keywords if we have been told to,
|
507
|
// this cuts the memory load for pages that don't use them. Note that if
|
508
|
// we haven't been told to load these fields the *FIRST TIME* show_menu2
|
509
|
// is called (i.e. where the database is loaded) then the info won't
|
510
|
// exist anyhow.
|
511
|
$fields = 'parent,page_id,menu_title,page_title,link,target,level,visibility,viewing_groups';
|
512
|
if (version_compare(WB_VERSION, '2.7', '>=')) { // WB 2.7+
|
513
|
$fields .= ',viewing_users';
|
514
|
}
|
515
|
if ($flags & SM2_ALLINFO) {
|
516
|
$fields = '*';
|
517
|
}
|
518
|
|
519
|
// get this once for performance. We really should be calling only need to
|
520
|
// call $wb->get_group_id() but that outputs a warning notice if the
|
521
|
// groupid isn't set in the session, so we check it first here.
|
522
|
$currGroup = array_key_exists('GROUP_ID', $_SESSION) ?
|
523
|
','.$wb->get_group_id().',' : 'NOGROUP';
|
524
|
|
525
|
// we request all matching rows from the database for the menu that we
|
526
|
// are about to create it is cheaper for us to get everything we need
|
527
|
// from the database once and create the menu from memory then make
|
528
|
// multiple calls to the database.
|
529
|
$sql = "SELECT $fields FROM ".TABLE_PREFIX.
|
530
|
"pages WHERE $wb->extra_where_sql $menuLimitSql ".
|
531
|
'ORDER BY level ASC, position ASC';
|
532
|
$oRowset = $database->query($sql);
|
533
|
if (is_object($oRowset) && $oRowset->numRows() > 0) {
|
534
|
// create an in memory array of the database data based on the item's parent.
|
535
|
// The array stores all elements in the correct display order.
|
536
|
while ($page = $oRowset->fetchRow()) {
|
537
|
// ignore all pages that the current user is not permitted to view
|
538
|
if(version_compare(WB_VERSION, '2.7', '>=')) { // WB >= 2.7
|
539
|
// 1. all pages with no active sections (unless it is the top page) are ignored
|
540
|
if (!$wb->page_is_active($page) && $page['link'] != $wb->default_link && !INTRO_PAGE) {
|
541
|
continue;
|
542
|
}
|
543
|
// 2. all pages not visible to this user (unless always visible to registered users) are ignored
|
544
|
if (!$wb->page_is_visible($page) && $page['visibility'] != 'registered') {
|
545
|
continue;
|
546
|
}
|
547
|
}
|
548
|
else { // WB < 2.7
|
549
|
// We can't do this in SQL as the viewing_groups column contains multiple
|
550
|
// values which are hard to process correctly in SQL. Essentially we add the
|
551
|
// following limit to the SQL query above:
|
552
|
// (visibility <> "private" OR $wb->get_group_id() IN viewing_groups)
|
553
|
if ($page['visibility'] == 'private'
|
554
|
&& false === strstr(",{$page['viewing_groups']},", $currGroup))
|
555
|
{
|
556
|
continue;
|
557
|
}
|
558
|
}
|
559
|
|
560
|
// ensure that we have an array entry in the table to add this to
|
561
|
$idx = $page['parent'];
|
562
|
if (!array_key_exists($idx, $rgParent)) {
|
563
|
$rgParent[$idx] = array();
|
564
|
}
|
565
|
|
566
|
// mark our current page as being on the current path
|
567
|
if ($page['page_id'] == $CURR_PAGE_ID) {
|
568
|
$page['sm2_is_curr'] = true;
|
569
|
$page['sm2_on_curr_path'] = true;
|
570
|
}
|
571
|
|
572
|
// mark parents of the current page as such
|
573
|
if (in_array($page['page_id'], $rgCurrParents)) {
|
574
|
$page['sm2_is_parent'] = true;
|
575
|
$page['sm2_on_curr_path'] = true;
|
576
|
}
|
577
|
|
578
|
// add the entry to the array
|
579
|
$rgParent[$idx][] = $page;
|
580
|
}
|
581
|
}
|
582
|
unset($oRowset);
|
583
|
|
584
|
// mark all elements that are siblings of any element on the current path
|
585
|
foreach ($rgCurrParents as $x) {
|
586
|
if (array_key_exists($x, $rgParent)) {
|
587
|
foreach (array_keys($rgParent[$x]) as $y) {
|
588
|
$mark =& $rgParent[$x][$y];
|
589
|
$mark['sm2_path_sibling'] = true;
|
590
|
unset($mark);
|
591
|
}
|
592
|
}
|
593
|
}
|
594
|
|
595
|
// mark all elements that have children and are siblings of the current page
|
596
|
$parentId = $pageParent;
|
597
|
foreach (array_keys($rgParent) as $x) {
|
598
|
$childSet =& $rgParent[$x];
|
599
|
foreach (array_keys($childSet) as $y) {
|
600
|
$mark =& $childSet[$y];
|
601
|
if (array_key_exists($mark['page_id'], $rgParent)) {
|
602
|
$mark['sm2_has_child'] = true;
|
603
|
}
|
604
|
if ($mark['parent'] == $parentId && $mark['page_id'] != $CURR_PAGE_ID) {
|
605
|
$mark['sm2_is_sibling'] = true;
|
606
|
}
|
607
|
unset($mark);
|
608
|
}
|
609
|
unset($childSet);
|
610
|
}
|
611
|
|
612
|
// mark all children of the current page. We don't do this when
|
613
|
// $CURR_PAGE_ID is 0, as 0 is the parent of everything.
|
614
|
// $CURR_PAGE_ID == 0 occurs on special pages like search results
|
615
|
// when no referrer is available.s
|
616
|
if ($CURR_PAGE_ID != 0) {
|
617
|
sm2_mark_children($rgParent, $CURR_PAGE_ID, 1);
|
618
|
}
|
619
|
|
620
|
// store the complete processed menu data as a global. We don't
|
621
|
// need to read this from the database anymore regardless of how
|
622
|
// many menus are displayed on the same page.
|
623
|
if (!array_key_exists('show_menu2_data', $GLOBALS)) {
|
624
|
$GLOBALS['show_menu2_data'] = array();
|
625
|
}
|
626
|
$GLOBALS['show_menu2_data'][$aMenu] =& $rgParent;
|
627
|
unset($rgParent);
|
628
|
}
|
629
|
|
630
|
// adjust $aMaxLevel to the level number of the final level that
|
631
|
// will be displayed. That is, we display all levels <= aMaxLevel.
|
632
|
if ($aMaxLevel == SM2_ALL) {
|
633
|
$aMaxLevel = 1000;
|
634
|
}
|
635
|
elseif ($aMaxLevel < 0) { // SM2_CURR+N
|
636
|
$aMaxLevel += $pageLevel - SM2_CURR;
|
637
|
}
|
638
|
elseif ($aMaxLevel >= SM2_MAX) { // SM2_MAX+N
|
639
|
$aMaxLevel += $aStartLevel - SM2_MAX;
|
640
|
if ($aMaxLevel > $pageLevel) {
|
641
|
$aMaxLevel = $pageLevel;
|
642
|
}
|
643
|
}
|
644
|
else { // SM2_START+N
|
645
|
$aMaxLevel += $aStartLevel - SM2_START;
|
646
|
}
|
647
|
|
648
|
// generate the menu
|
649
|
$retval = false;
|
650
|
if (array_key_exists($aStart, $GLOBALS['show_menu2_data'][$aMenu])) {
|
651
|
$formatter = $aItemOpen;
|
652
|
if (!is_object($aItemOpen)) {
|
653
|
static $sm2formatter;
|
654
|
if (!isset($sm2formatter)) {
|
655
|
$sm2formatter = new SM2_Formatter;
|
656
|
}
|
657
|
$formatter = $sm2formatter;
|
658
|
$formatter->set($flags, $aItemOpen, $aItemClose,
|
659
|
$aMenuOpen, $aMenuClose, $aTopItemOpen, $aTopMenuOpen);
|
660
|
}
|
661
|
|
662
|
// adjust the level until we show everything and ignore the SM2_TRIM flag.
|
663
|
// Usually this will be less than the start level to disable it.
|
664
|
$showAllLevel = $aStartLevel - 1;
|
665
|
if (isset($aOptions['notrim'])) {
|
666
|
$showAllLevel = $aStartLevel + $aOptions['notrim'];
|
667
|
}
|
668
|
|
669
|
// display the menu
|
670
|
$formatter->initialize();
|
671
|
sm2_recurse(
|
672
|
$GLOBALS['show_menu2_data'][$aMenu],
|
673
|
$aStart, // parent id to start displaying sub-menus
|
674
|
$aStartLevel, $showAllLevel, $aMaxLevel, $flags,
|
675
|
$formatter);
|
676
|
$formatter->finalize();
|
677
|
|
678
|
// if we are returning something, get the data
|
679
|
if (($flags & SM2_BUFFER) != 0) {
|
680
|
$retval = $formatter->getOutput();
|
681
|
}
|
682
|
}
|
683
|
|
684
|
// clear the data if we aren't caching it
|
685
|
if (($flags & SM2_NOCACHE) != 0) {
|
686
|
unset($GLOBALS['show_menu2_data'][$aMenu]);
|
687
|
}
|
688
|
|
689
|
return $retval;
|
690
|
}
|
691
|
|
692
|
function sm2_mark_children(&$rgParent, $aStart, $aChildLevel)
|
693
|
{
|
694
|
if (array_key_exists($aStart, $rgParent)) {
|
695
|
foreach (array_keys($rgParent[$aStart]) as $y) {
|
696
|
$mark =& $rgParent[$aStart][$y];
|
697
|
$mark['sm2_child_level'] = $aChildLevel;
|
698
|
$mark['sm2_on_curr_path'] = true;
|
699
|
sm2_mark_children($rgParent, $mark['page_id'], $aChildLevel+1);
|
700
|
}
|
701
|
}
|
702
|
}
|
703
|
|
704
|
function sm2_recurse(
|
705
|
&$rgParent, $aStart,
|
706
|
$aStartLevel, $aShowAllLevel, $aMaxLevel, $aFlags,
|
707
|
&$aFormatter
|
708
|
)
|
709
|
{
|
710
|
global $wb;
|
711
|
|
712
|
// on entry to this function we know that there are entries for this
|
713
|
// parent and all entries for that parent are being displayed. We also
|
714
|
// need to check if any of the children need to be displayed too.
|
715
|
$isListOpen = false;
|
716
|
$currentLevel = $wb->page['level'] == '' ? 0 : $wb->page['level'];
|
717
|
|
718
|
// get the number of siblings so we can check pass this and check if the
|
719
|
// item is first or last
|
720
|
$sibCount = count($rgParent[$aStart]);
|
721
|
$currSib = 0;
|
722
|
foreach ($rgParent[$aStart] as $page) {
|
723
|
$currSib++;
|
724
|
|
725
|
// skip any elements that are lower than the maximum level
|
726
|
$pageLevel = $page['level'];
|
727
|
if ($pageLevel > $aMaxLevel) {
|
728
|
continue;
|
729
|
}
|
730
|
|
731
|
// this affects ONLY the top level
|
732
|
if ($aStart == 0 && ($aFlags & SM2_CURRTREE)) {
|
733
|
if (!array_key_exists('sm2_on_curr_path', $page)) { // not set if false, so existence = true
|
734
|
continue;
|
735
|
}
|
736
|
$sibCount = 1;
|
737
|
}
|
738
|
|
739
|
// trim the tree as appropriate
|
740
|
if ($aFlags & SM2_SIBLING) {
|
741
|
// parents, and siblings and children of current only
|
742
|
if (!array_key_exists('sm2_on_curr_path', $page) // not set if false, so existence = true
|
743
|
&& !array_key_exists('sm2_is_sibling', $page) // not set if false, so existence = true
|
744
|
&& !array_key_exists('sm2_child_level', $page)) { // not set if false, so existence = true
|
745
|
continue;
|
746
|
}
|
747
|
}
|
748
|
else if ($aFlags & SM2_TRIM) {
|
749
|
// parents and siblings of parents
|
750
|
if ($pageLevel > $aShowAllLevel // permit all levels to be shown
|
751
|
&& !array_key_exists('sm2_on_curr_path', $page) // not set if false, so existence = true
|
752
|
&& !array_key_exists('sm2_path_sibling', $page)) { // not set if false, so existence = true
|
753
|
continue;
|
754
|
}
|
755
|
}
|
756
|
elseif ($aFlags & SM2_CRUMB) {
|
757
|
// parents only
|
758
|
if (!array_key_exists('sm2_on_curr_path', $page) // not set if false, so existence = true
|
759
|
|| array_key_exists('sm2_child_level', $page)) { // not set if false, so existence = true
|
760
|
continue;
|
761
|
}
|
762
|
}
|
763
|
|
764
|
// depth first traverse
|
765
|
$nextParent = $page['page_id'];
|
766
|
|
767
|
// display the current element if we have reached the start level
|
768
|
if ($pageLevel >= $aStartLevel) {
|
769
|
// massage the link into the correct form
|
770
|
if(!INTRO_PAGE && $page['link'] == $wb->default_link) {
|
771
|
$url = WB_URL;
|
772
|
}
|
773
|
else {
|
774
|
$url = $wb->page_link($page['link']);
|
775
|
}
|
776
|
|
777
|
// we open the list only when we absolutely need to
|
778
|
if (!$isListOpen) {
|
779
|
$aFormatter->startList($page, $url);
|
780
|
$isListOpen = true;
|
781
|
}
|
782
|
|
783
|
$aFormatter->startItem($page, $url, $currSib, $sibCount);
|
784
|
}
|
785
|
|
786
|
// display children as appropriate
|
787
|
if ($pageLevel + 1 <= $aMaxLevel
|
788
|
&& array_key_exists('sm2_has_child', $page)) { // not set if false, so existence = true
|
789
|
sm2_recurse(
|
790
|
$rgParent, $nextParent, // parent id to start displaying sub-menus
|
791
|
$aStartLevel, $aShowAllLevel, $aMaxLevel, $aFlags,
|
792
|
$aFormatter);
|
793
|
}
|
794
|
|
795
|
// close the current element if appropriate
|
796
|
if ($pageLevel >= $aStartLevel) {
|
797
|
$aFormatter->finishItem($pageLevel, $page);
|
798
|
}
|
799
|
}
|
800
|
|
801
|
// close the list if we opened one
|
802
|
if ($isListOpen) {
|
803
|
$aFormatter->finishList();
|
804
|
}
|
805
|
}
|
806
|
|
807
|
?>
|