| 1 | <?php
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| 2 | // TreeMenuSafe.php
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| 3 | // Author: Chip Chapin <cchapin@chipchapin.com>
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| 4 | // This file is an extension to HTML_TreeMenu, by Richard Heyes.
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| 5 | // Much of the code is based on Heyes' client-side JavaScript code.
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| 6 |
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| 7 | include_once('TreeMenu.php');
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| 8 | include_once('ccBrowserInfo.php');
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| 9 |
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| 10 | // Browser detection determines whether we generate DHTML menus
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| 11 | static $tmsDoesMenus = 'maybe';
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| 12 |
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| 13 |
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| 14 | class HTML_TreeMenuSafe extends HTML_TreeMenu
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| 15 | {
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| 16 | // Constructor
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| 17 | function HTML_TreeMenuSafe($layer=null, $images=null, $linkTarget = '_self', $usePersistence = true)
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| 18 | {
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| 19 | if ($GLOBALS['tmsDoesMenus'] == 'maybe') {
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| 20 | $tmb = new ccBrowserInfo();
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| 21 | $GLOBALS['tmsDoesMenus'] = ($tmb->is_ie5up() || $tmb->is_moz5up);
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| 22 | }
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| 23 | HTML_TreeMenu::HTML_TreeMenu($layer, $images, $linkTarget, $usePersistence);
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| 24 | } // HTML_TreeMenuSafe
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| 25 |
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| 26 | function printMenu($images=null, $rigidmenu=false, $layer=null)
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| 27 | {
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| 28 | if (!$rigidmenu && $GLOBALS['tmsDoesMenus']) HTML_TreeMenu::printMenu($images, $layer);
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| 29 | elseif (!empty($this->items)) {
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| 30 | // Static menu
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| 31 | // $images could have been set in the constructor,
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| 32 | // so don't assign to it unless a value has been supplied here.
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| 33 | // $layer is not used for static menus.
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| 34 | if (!empty($images)) $this->images = $images;
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| 35 | for ($i=0; $i < count($this->items); $i++) {
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| 36 | $this->_printStaticMenu($this, $i);
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| 37 | }
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| 38 | } // static menu
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| 39 | } // printMenu
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| 40 |
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| 41 |
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| 42 | //
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| 43 | // Helper Functions
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| 44 | //
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| 45 |
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| 46 | // Print HTML for a single menu node
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| 47 | // This code is based on the JavaScript function drawMenu().
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| 48 | function _printNode($thisnode, $currentlevel, $prepend='', $modifier='')
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| 49 | {
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| 50 | if (empty($this->images)) {
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| 51 | // No images in output
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| 52 | $iconimg = '';
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| 53 | $imgTag = '';
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| 54 | }
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| 55 | else {
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| 56 | $gifname = 'branch';
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| 57 | $iconimg = $thisnode->icon ? sprintf('<img src="%s/%s" width="20" height="20" align="top">',
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| 58 | $this->images, $thisnode->icon) : '';
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| 59 | $imgTag = sprintf('<img src="%s/%s%s.gif" width="20" height="20" align="top" border="0" />',
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| 60 | $this->images, $gifname, $modifier);
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| 61 | }
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| 62 | $linkStart = $thisnode->link ? sprintf('<a href="%s" target="%s">',
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| 63 | $thisnode->link, $this->linkTarget) : '';
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| 64 | $linkEnd = $thisnode->link ? '</a>' : '';
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| 65 | $titleString = $thisnode->text;
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| 66 | $styleStart = '';
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| 67 | $styleEnd = '';
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| 68 | if ($thisnode->style == 'auto') {
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| 69 | $styleInx = min($currentlevel, count($GLOBALS['_autostyles'])-1);
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| 70 | $styleStart = '<span class="' . $GLOBALS['_autostyles'][$styleInx] . '">';
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| 71 | $styleEnd = '</span>';
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| 72 | }
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| 73 | echo '<nobr>'. $styleStart . $prepend .
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| 74 | (parentLayerID == null && nodes.length == 1 ? '' : $imgTag) .
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| 75 | $iconimg .
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| 76 | $linkStart . $titleString . $linkEnd .
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| 77 | $styleEnd . "</nobr><br>\n";
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| 78 | } // _printNode
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| 79 |
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| 80 |
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| 81 | // Static menu.
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| 82 | // Print current node and all subnodes
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| 83 | function _printStaticMenu($nodeParent, $nodeinx, $currentlevel=0, $prepend='')
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| 84 | {
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| 85 | $thisnode = $nodeParent->items[$nodeinx];
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| 86 | $cntSubnodes = empty($thisnode->items) ? 0 : count($thisnode->items);
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| 87 | $cntSiblings = empty($nodeParent->items) ? 0 : count($nodeParent->items);
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| 88 |
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| 89 | // Gif modifier
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| 90 | if ($nodeinx == 0 && $currentlevel == 0) $modifier = $cntSubnodes > 1 ? 'top' : 'single';
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| 91 | elseif ($nodeinx == ($cntSiblings - 1)) $modifier = 'bottom';
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| 92 | else $modifier = '';
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| 93 | $this->_printNode($thisnode, $currentlevel, $prepend, $modifier);
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| 94 |
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| 95 | // Print any subnodes
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| 96 | for ($i=0; $i<$cntSubnodes; $i++) {
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| 97 | // Determine what to prepend to child subnode entries.
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| 98 | $newPrepend = $prepend;
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| 99 | if (empty($this->images)) {
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| 100 | // No images. Use spaces instead
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| 101 | $newPrepend .= ' ';
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| 102 | }
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| 103 | else {
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| 104 | // Prepend images to each menu entry
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| 105 | //if ($currentlevel == 0 && $cntSiblings == 1) $nppimg = '';
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| 106 | //^^^ This special case does not apply to static menus.
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| 107 | // Why? Bwaaa Ha Ha Ha Haaaaaaa!! Try it and see. Happy Halloween...
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| 108 | if ($nodeinx < ($cntSiblings - 1)) $nppimg = 'line.gif';
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| 109 | else $nppimg = 'linebottom.gif';
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| 110 | $newPrepend .= sprintf('<img ninx=%d csn=%d src="%s/%s" width="20" height="20" align="top">', $nodeinx, $cntSubnodes, $this->images, $nppimg);
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| 111 | }
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| 112 |
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| 113 | // Now print the menu entry for this node
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| 114 | $this->_printStaticMenu($thisnode, $i, $currentlevel+1, $newPrepend);
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| 115 | }
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| 116 | } // _printStaticMenu
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| 117 |
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| 118 |
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| 119 | } // class HTML_TreeMenuSafe
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| 120 |
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| 121 |
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| 122 | ?>
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