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<?php
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// $Id$
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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 4.5: 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 ($aPage['page_id'] == PAGE_ID) {
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$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 = $wb->page['page_id']; break;
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}
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break;
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default:
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return '';
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}
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336 |
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// do the test
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338 |
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$ok = false;
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switch ($aOperator) {
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case '<':
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$ok = ($operand < $aValue);
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break;
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|
|
case '<=':
|
344 |
|
|
$ok = ($operand <= $aValue);
|
345 |
|
|
break;
|
346 |
|
|
case '=':
|
347 |
|
|
case '==':
|
348 |
|
|
case '!=':
|
349 |
|
|
if ($aKey == 'class') {
|
350 |
|
|
$ok = strstr($operand, " $aValue ") !== FALSE;
|
351 |
|
|
}
|
352 |
|
|
else {
|
353 |
|
|
$ok = ($operand == $aValue);
|
354 |
|
|
}
|
355 |
|
|
if ($aOperator == '!=') {
|
356 |
|
|
$ok = !$ok;
|
357 |
|
|
}
|
358 |
|
|
break;
|
359 |
|
|
case '>=':
|
360 |
|
|
$ok = ($operand >= $aValue);
|
361 |
|
|
case '>':
|
362 |
|
|
$ok = ($operand > $aValue);
|
363 |
|
|
}
|
364 |
|
|
|
365 |
|
|
return $ok;
|
366 |
|
|
}
|
367 |
|
|
|
368 |
|
|
// finish the current menu item
|
369 |
|
|
function finishItem() {
|
370 |
|
|
if ($this->flags & SM2_PRETTY) {
|
371 |
|
|
$this->output(str_repeat(' ',$this->prettyLevel).$this->itemClose);
|
372 |
|
|
}
|
373 |
|
|
else {
|
374 |
|
|
$this->output($this->itemClose);
|
375 |
|
|
}
|
376 |
|
|
}
|
377 |
|
|
|
378 |
|
|
// finish the current menu
|
379 |
|
|
function finishList() {
|
380 |
|
|
$this->prettyLevel -= 3;
|
381 |
|
|
|
382 |
|
|
if ($this->flags & SM2_PRETTY) {
|
383 |
|
|
$this->output("\n".str_repeat(' ',$this->prettyLevel).$this->menuClose."\n");
|
384 |
|
|
}
|
385 |
|
|
else {
|
386 |
|
|
$this->output($this->menuClose);
|
387 |
|
|
}
|
388 |
|
|
|
389 |
|
|
$this->prettyLevel -= 1;
|
390 |
|
|
}
|
391 |
|
|
|
392 |
|
|
// cleanup the state of the formatter after everything has been output
|
393 |
|
|
function finalize() {
|
394 |
|
|
if ($this->flags & SM2_PRETTY) {
|
395 |
|
|
$this->output("\n");
|
396 |
|
|
}
|
397 |
|
|
}
|
398 |
|
|
|
399 |
|
|
// return the output
|
400 |
|
|
function getOutput() {
|
401 |
|
|
return $this->output;
|
402 |
|
|
}
|
403 |
|
|
};
|
404 |
|
|
|
405 |
|
|
function show_menu2(
|
406 |
|
|
$aMenu = 0,
|
407 |
|
|
$aStart = SM2_ROOT,
|
408 |
|
|
$aMaxLevel = -1999, // SM2_CURR+1
|
409 |
|
|
$aFlags = SM2_TRIM,
|
410 |
|
|
$aItemOpen = false,
|
411 |
|
|
$aItemClose = false,
|
412 |
|
|
$aMenuOpen = false,
|
413 |
|
|
$aMenuClose = false,
|
414 |
|
|
$aTopItemOpen = false,
|
415 |
|
|
$aTopMenuOpen = false
|
416 |
|
|
)
|
417 |
|
|
{
|
418 |
|
|
global $wb;
|
419 |
|
|
|
420 |
|
|
// ensure we have our group 1 flag, we don't check for the "exactly 1" part, but
|
421 |
|
|
// we do ensure that they provide at least one.
|
422 |
|
|
if (0 == ($aFlags & _SM2_GROUP_1)) {
|
423 |
|
|
error_log("show_menu2 error: no flags from group 1 supplied! Exactly one flag is required!");
|
424 |
|
|
$aFlags |= SM2_TRIM; // default to TRIM
|
425 |
|
|
}
|
426 |
|
|
|
427 |
|
|
// fix up the menu number to default to the menu number
|
428 |
|
|
// of the current page if no menu has been supplied
|
429 |
|
|
if ($aMenu == 0) {
|
430 |
|
|
$aMenu = $wb->page['menu'] == '' ? 1 : $wb->page['menu'];
|
431 |
|
|
}
|
432 |
|
|
|
433 |
|
|
// Set some of the $wb->page[] settings to defaults if not set
|
434 |
|
|
$pageLevel = $wb->page['level'] == '' ? 0 : $wb->page['level'];
|
435 |
|
|
$pageParent = $wb->page['parent'] == '' ? 0 : $wb->page['parent'];
|
436 |
|
|
|
437 |
|
|
// adjust the start level and start page ID as necessary to
|
438 |
|
|
// handle the special values that can be passed in as $aStart
|
439 |
|
|
$aStartLevel = 0;
|
440 |
|
|
if ($aStart < SM2_ROOT) { // SM2_CURR+N
|
441 |
|
|
if ($aStart == SM2_CURR) {
|
442 |
|
|
$aStartLevel = $pageLevel;
|
443 |
|
|
$aStart = $pageParent;
|
444 |
|
|
}
|
445 |
|
|
else {
|
446 |
|
|
$aStartLevel = $pageLevel + $aStart - SM2_CURR;
|
447 |
|
|
$aStart = PAGE_ID;
|
448 |
|
|
}
|
449 |
|
|
}
|
450 |
|
|
elseif ($aStart < 0) { // SM2_ROOT+N
|
451 |
|
|
$aStartLevel = $aStart - SM2_ROOT;
|
452 |
|
|
$aStart = 0;
|
453 |
|
|
}
|
454 |
|
|
|
455 |
|
|
// we get the menu data once and store it in a global variable. This allows
|
456 |
|
|
// multiple calls to show_menu2 in a single page with only a single call to
|
457 |
|
|
// the database. If this variable exists, then we have already retrieved all
|
458 |
|
|
// of the information and processed it, so we don't need to do it again.
|
459 |
|
|
if (($aFlags & SM2_NOCACHE) != 0
|
460 |
|
|
|| !array_key_exists('show_menu2_data', $GLOBALS)
|
461 |
|
|
|| !array_key_exists($aMenu, $GLOBALS['show_menu2_data']))
|
462 |
|
|
{
|
463 |
|
|
global $database;
|
464 |
|
|
|
465 |
|
|
// create an array of all parents of the current page. As the page_trail
|
466 |
|
|
// doesn't include the theoretical root element 0, we add it ourselves.
|
467 |
|
|
$rgCurrParents = split(',', '0,'.$wb->page['page_trail']);
|
468 |
|
|
array_pop($rgCurrParents); // remove the current page
|
469 |
|
|
$rgParent = array();
|
470 |
|
|
|
471 |
|
|
// if the caller wants all menus gathered together (e.g. for a sitemap)
|
472 |
|
|
// then we don't limit our SQL query
|
473 |
|
|
$menuLimitSql = ' AND menu = ' .$aMenu;
|
474 |
|
|
if ($aMenu == SM2_ALLMENU) {
|
475 |
|
|
$menuLimitSql = '';
|
476 |
|
|
}
|
477 |
|
|
|
478 |
|
|
// we only load the description and keywords if we have been told to,
|
479 |
|
|
// this cuts the memory load for pages that don't use them. Note that if
|
480 |
|
|
// we haven't been told to load these fields the *FIRST TIME* show_menu2
|
481 |
|
|
// is called (i.e. where the database is loaded) then the info won't
|
482 |
|
|
// exist anyhow.
|
483 |
|
|
$fields = 'parent,page_id,menu_title,page_title,link,target,level,visibility,viewing_groups';
|
484 |
|
|
if(version_compare(WB_VERSION, '2.7', '>=')) { // WB 2.7+
|
485 |
|
|
$fields .= ',viewing_users';
|
486 |
|
|
}
|
487 |
|
|
if ($aFlags & SM2_ALLINFO) {
|
488 |
|
|
$fields = '*';
|
489 |
|
|
}
|
490 |
|
|
|
491 |
|
|
// get this once for performance. We really should be calling only need to
|
492 |
|
|
// call $wb->get_group_id() but that outputs a warning notice if the
|
493 |
|
|
// groupid isn't set in the session, so we check it first here.
|
494 |
|
|
$currGroup = array_key_exists('GROUP_ID', $_SESSION) ?
|
495 |
|
|
','.$wb->get_group_id().',' : 'NOGROUP';
|
496 |
|
|
|
497 |
|
|
// we request all matching rows from the database for the menu that we
|
498 |
|
|
// are about to create it is cheaper for us to get everything we need
|
499 |
|
|
// from the database once and create the menu from memory then make
|
500 |
|
|
// multiple calls to the database.
|
501 |
|
|
$sql = "SELECT $fields FROM ".TABLE_PREFIX.
|
502 |
|
|
"pages WHERE $wb->extra_where_sql $menuLimitSql ".
|
503 |
|
|
'ORDER BY level ASC, position ASC';
|
504 |
|
|
$oRowset = $database->query($sql);
|
505 |
|
|
if (is_object($oRowset) && $oRowset->numRows() > 0) {
|
506 |
|
|
// create an in memory array of the database data based on the item's parent.
|
507 |
|
|
// The array stores all elements in the correct display order.
|
508 |
|
|
while ($page = $oRowset->fetchRow()) {
|
509 |
|
|
// ignore all pages that the current user is not permitted to view
|
510 |
|
|
if(version_compare(WB_VERSION, '2.7', '>=')) { // WB >= 2.7
|
511 |
|
|
// 1. all pages with no active sections (unless it is the top page) are ignored
|
512 |
|
|
if(!$wb->page_is_active($page) && $page['link'] != $wb->default_link && !INTRO_PAGE) {
|
513 |
|
|
continue;
|
514 |
|
|
}
|
515 |
|
|
// 2. all pages not visible to this user (unless always visible to registered users) are ignored
|
516 |
|
|
if(!$wb->page_is_visible($page) && $page['visibility'] != 'registered') {
|
517 |
|
|
continue;
|
518 |
|
|
}
|
519 |
|
|
|
520 |
|
|
}
|
521 |
|
|
else { // WB < 2.7
|
522 |
|
|
// We can't do this in SQL as the viewing_groups column contains multiple
|
523 |
|
|
// values which are hard to process correctly in SQL. Essentially we add the
|
524 |
|
|
// following limit to the SQL query above:
|
525 |
|
|
// (visibility <> "private" OR $wb->get_group_id() IN viewing_groups)
|
526 |
|
|
if ($page['visibility'] == 'private'
|
527 |
|
|
&& false === strstr(",{$page['viewing_groups']},", $currGroup))
|
528 |
|
|
{
|
529 |
|
|
continue;
|
530 |
|
|
}
|
531 |
|
|
}
|
532 |
|
|
|
533 |
|
|
// ensure that we have an array entry in the table to add this to
|
534 |
|
|
$idx = $page['parent'];
|
535 |
|
|
if (!array_key_exists($idx, $rgParent)) {
|
536 |
|
|
$rgParent[$idx] = array();
|
537 |
|
|
}
|
538 |
|
|
|
539 |
|
|
// mark our current page as being on the current path
|
540 |
|
|
if ($page['page_id'] == PAGE_ID) {
|
541 |
|
|
$page['sm2_on_curr_path'] = true;
|
542 |
|
|
}
|
543 |
|
|
|
544 |
|
|
// mark parents of the current page as such
|
545 |
|
|
if (in_array($page['page_id'], $rgCurrParents)) {
|
546 |
|
|
$page['sm2_is_parent'] = true;
|
547 |
|
|
$page['sm2_on_curr_path'] = true;
|
548 |
|
|
}
|
549 |
|
|
|
550 |
|
|
// add the entry to the array
|
551 |
|
|
$rgParent[$idx][] = $page;
|
552 |
|
|
}
|
553 |
|
|
}
|
554 |
|
|
unset($oRowset);
|
555 |
|
|
|
556 |
|
|
// mark all elements that are siblings of any element on the current path
|
557 |
|
|
foreach ($rgCurrParents as $x) {
|
558 |
|
|
if (array_key_exists($x, $rgParent)) {
|
559 |
|
|
foreach (array_keys($rgParent[$x]) as $y) {
|
560 |
|
|
$mark =& $rgParent[$x][$y];
|
561 |
|
|
$mark['sm2_path_sibling'] = true;
|
562 |
|
|
unset($mark);
|
563 |
|
|
}
|
564 |
|
|
}
|
565 |
|
|
}
|
566 |
|
|
|
567 |
|
|
// mark all elements that have children and are siblings of the current page
|
568 |
|
|
$parentId = $pageParent;
|
569 |
|
|
foreach (array_keys($rgParent) as $x) {
|
570 |
|
|
$childSet =& $rgParent[$x];
|
571 |
|
|
foreach (array_keys($childSet) as $y) {
|
572 |
|
|
$mark =& $childSet[$y];
|
573 |
|
|
if (array_key_exists($mark['page_id'], $rgParent)) {
|
574 |
|
|
$mark['sm2_has_child'] = true;
|
575 |
|
|
}
|
576 |
|
|
if ($mark['parent'] == $parentId && $mark['page_id'] != PAGE_ID) {
|
577 |
|
|
$mark['sm2_is_sibling'] = true;
|
578 |
|
|
}
|
579 |
|
|
unset($mark);
|
580 |
|
|
}
|
581 |
|
|
unset($childSet);
|
582 |
|
|
}
|
583 |
|
|
|
584 |
|
|
// mark all children of the current page. We don't do this when
|
585 |
|
|
// PAGE_ID is 0, as 0 is the parent of everything. PAGE_ID == 0
|
586 |
|
|
// occurs on special pages like search results.
|
587 |
|
|
if (PAGE_ID != 0) {
|
588 |
|
|
sm2_mark_children($rgParent, PAGE_ID, 1);
|
589 |
|
|
}
|
590 |
|
|
|
591 |
|
|
// store the complete processed menu data as a global. We don't
|
592 |
|
|
// need to read this from the database anymore regardless of how
|
593 |
|
|
// many menus are displayed on the same page.
|
594 |
|
|
if (!array_key_exists('show_menu2_data', $GLOBALS)) {
|
595 |
|
|
$GLOBALS['show_menu2_data'] = array();
|
596 |
|
|
}
|
597 |
|
|
$GLOBALS['show_menu2_data'][$aMenu] =& $rgParent;
|
598 |
|
|
unset($rgParent);
|
599 |
|
|
}
|
600 |
|
|
|
601 |
|
|
// adjust $aMaxLevel to the level number of the final level that
|
602 |
|
|
// will be displayed. That is, we display all levels <= aMaxLevel.
|
603 |
|
|
if ($aMaxLevel == SM2_ALL) {
|
604 |
|
|
$aMaxLevel = 1000;
|
605 |
|
|
}
|
606 |
|
|
elseif ($aMaxLevel < 0) { // SM2_CURR+N
|
607 |
|
|
$aMaxLevel += $pageLevel - SM2_CURR;
|
608 |
|
|
}
|
609 |
|
|
elseif ($aMaxLevel >= SM2_MAX) { // SM2_MAX+N
|
610 |
|
|
$aMaxLevel += $aStartLevel - SM2_MAX;
|
611 |
|
|
if ($aMaxLevel > $pageLevel) {
|
612 |
|
|
$aMaxLevel = $pageLevel;
|
613 |
|
|
}
|
614 |
|
|
}
|
615 |
|
|
else { // SM2_START+N
|
616 |
|
|
$aMaxLevel += $aStartLevel - SM2_START;
|
617 |
|
|
}
|
618 |
|
|
|
619 |
|
|
// generate the menu
|
620 |
|
|
$retval = false;
|
621 |
|
|
if (array_key_exists($aStart, $GLOBALS['show_menu2_data'][$aMenu])) {
|
622 |
|
|
$formatter = $aItemOpen;
|
623 |
|
|
if (!is_object($aItemOpen)) {
|
624 |
|
|
static $sm2formatter;
|
625 |
|
|
if (!isset($sm2formatter)) {
|
626 |
|
|
$sm2formatter = new SM2_Formatter;
|
627 |
|
|
}
|
628 |
|
|
$formatter = $sm2formatter;
|
629 |
|
|
$formatter->set($aFlags, $aItemOpen, $aItemClose,
|
630 |
|
|
$aMenuOpen, $aMenuClose, $aTopItemOpen, $aTopMenuOpen);
|
631 |
|
|
}
|
632 |
|
|
|
633 |
|
|
// display the menu
|
634 |
|
|
$formatter->initialize();
|
635 |
|
|
sm2_recurse(
|
636 |
|
|
$GLOBALS['show_menu2_data'][$aMenu],
|
637 |
|
|
$aStart, // parent id to start displaying sub-menus
|
638 |
|
|
$aStartLevel, $aMaxLevel, $aFlags,
|
639 |
|
|
$formatter);
|
640 |
|
|
$formatter->finalize();
|
641 |
|
|
|
642 |
|
|
// if we are returning something, get the data
|
643 |
|
|
if (($aFlags & SM2_BUFFER) != 0) {
|
644 |
|
|
$retval = $formatter->getOutput();
|
645 |
|
|
}
|
646 |
|
|
}
|
647 |
|
|
|
648 |
|
|
// clear the data if we aren't caching it
|
649 |
|
|
if (($aFlags & SM2_NOCACHE) != 0) {
|
650 |
|
|
unset($GLOBALS['show_menu2_data'][$aMenu]);
|
651 |
|
|
}
|
652 |
|
|
|
653 |
|
|
return $retval;
|
654 |
|
|
}
|
655 |
|
|
|
656 |
|
|
function sm2_mark_children(&$rgParent, $aStart, $aChildLevel)
|
657 |
|
|
{
|
658 |
|
|
if (array_key_exists($aStart, $rgParent)) {
|
659 |
|
|
foreach (array_keys($rgParent[$aStart]) as $y) {
|
660 |
|
|
$mark =& $rgParent[$aStart][$y];
|
661 |
|
|
$mark['sm2_child_level'] = $aChildLevel;
|
662 |
|
|
$mark['sm2_on_curr_path'] = true;
|
663 |
|
|
sm2_mark_children($rgParent, $mark['page_id'], $aChildLevel+1);
|
664 |
|
|
}
|
665 |
|
|
}
|
666 |
|
|
}
|
667 |
|
|
|
668 |
|
|
function sm2_recurse(
|
669 |
|
|
&$rgParent, $aStart,
|
670 |
|
|
$aStartLevel, $aMaxLevel, $aFlags,
|
671 |
|
|
&$aFormatter
|
672 |
|
|
)
|
673 |
|
|
{
|
674 |
|
|
global $wb;
|
675 |
|
|
|
676 |
|
|
// on entry to this function we know that there are entries for this
|
677 |
|
|
// parent and all entries for that parent are being displayed. We also
|
678 |
|
|
// need to check if any of the children need to be displayed too.
|
679 |
|
|
$isListOpen = false;
|
680 |
|
|
$currentLevel = $wb->page['level'] == '' ? 0 : $wb->page['level'];
|
681 |
|
|
|
682 |
|
|
// get the number of siblings so we can check pass this and check if the
|
683 |
|
|
// item is first or last
|
684 |
|
|
$sibCount = count($rgParent[$aStart]);
|
685 |
|
|
$currSib = 0;
|
686 |
|
|
foreach ($rgParent[$aStart] as $page) {
|
687 |
|
|
$currSib++;
|
688 |
|
|
|
689 |
|
|
// skip any elements that are lower than the maximum level
|
690 |
|
|
$pageLevel = $page['level'];
|
691 |
|
|
if ($pageLevel > $aMaxLevel) {
|
692 |
|
|
continue;
|
693 |
|
|
}
|
694 |
|
|
|
695 |
|
|
// this affects ONLY the top level
|
696 |
|
|
if ($aStart == 0 && ($aFlags & SM2_CURRTREE)) {
|
697 |
|
|
if (!array_key_exists('sm2_on_curr_path', $page)) { // not set if false, so existence = true
|
698 |
|
|
continue;
|
699 |
|
|
}
|
700 |
|
|
$sibCount = 1;
|
701 |
|
|
}
|
702 |
|
|
|
703 |
|
|
// trim the tree as appropriate
|
704 |
|
|
if ($aFlags & SM2_SIBLING) {
|
705 |
|
|
// parents, and siblings and children of current only
|
706 |
|
|
if (!array_key_exists('sm2_on_curr_path', $page) // not set if false, so existence = true
|
707 |
|
|
&& !array_key_exists('sm2_is_sibling', $page) // not set if false, so existence = true
|
708 |
|
|
&& !array_key_exists('sm2_child_level', $page)) { // not set if false, so existence = true
|
709 |
|
|
continue;
|
710 |
|
|
}
|
711 |
|
|
}
|
712 |
|
|
else if ($aFlags & SM2_TRIM) {
|
713 |
|
|
// parents and siblings of parents
|
714 |
|
|
if (!array_key_exists('sm2_on_curr_path', $page) // not set if false, so existence = true
|
715 |
|
|
&& !array_key_exists('sm2_path_sibling', $page)) { // not set if false, so existence = true
|
716 |
|
|
continue;
|
717 |
|
|
}
|
718 |
|
|
}
|
719 |
|
|
elseif ($aFlags & SM2_CRUMB) {
|
720 |
|
|
// parents only
|
721 |
|
|
if (!array_key_exists('sm2_on_curr_path', $page) // not set if false, so existence = true
|
722 |
|
|
|| array_key_exists('sm2_child_level', $page)) { // not set if false, so existence = true
|
723 |
|
|
continue;
|
724 |
|
|
}
|
725 |
|
|
}
|
726 |
|
|
|
727 |
|
|
// depth first traverse
|
728 |
|
|
$nextParent = $page['page_id'];
|
729 |
|
|
|
730 |
|
|
// display the current element if we have reached the start level
|
731 |
|
|
if ($pageLevel >= $aStartLevel) {
|
732 |
|
|
// massage the link into the correct form
|
733 |
|
|
if(!INTRO_PAGE && $page['link'] == $wb->default_link) {
|
734 |
|
|
$url = WB_URL;
|
735 |
|
|
}
|
736 |
|
|
else {
|
737 |
|
|
$url = $wb->page_link($page['link']);
|
738 |
|
|
}
|
739 |
|
|
|
740 |
|
|
// we open the list only when we absolutely need to
|
741 |
|
|
if (!$isListOpen) {
|
742 |
|
|
$aFormatter->startList($page, $url);
|
743 |
|
|
$isListOpen = true;
|
744 |
|
|
}
|
745 |
|
|
|
746 |
|
|
$aFormatter->startItem($page, $url, $currSib, $sibCount);
|
747 |
|
|
}
|
748 |
|
|
|
749 |
|
|
// display children as appropriate
|
750 |
|
|
if ($pageLevel + 1 <= $aMaxLevel
|
751 |
|
|
&& array_key_exists('sm2_has_child', $page)) { // not set if false, so existence = true
|
752 |
|
|
sm2_recurse(
|
753 |
|
|
$rgParent, $nextParent, // parent id to start displaying sub-menus
|
754 |
|
|
$aStartLevel, $aMaxLevel, $aFlags,
|
755 |
|
|
$aFormatter);
|
756 |
|
|
}
|
757 |
|
|
|
758 |
|
|
// close the current element if appropriate
|
759 |
|
|
if ($pageLevel >= $aStartLevel) {
|
760 |
|
|
$aFormatter->finishItem($pageLevel, $page);
|
761 |
|
|
}
|
762 |
|
|
}
|
763 |
|
|
|
764 |
|
|
// close the list if we opened one
|
765 |
|
|
if ($isListOpen) {
|
766 |
|
|
$aFormatter->finishList();
|
767 |
|
|
}
|
768 |
|
|
}
|
769 |
|
|
|
770 |
|
|
?>
|