Diffstat (limited to 'backend/php/src/setup/setup_library/xPandMenu.php') (more/less context) (ignore whitespace changes)
| -rw-r--r-- | backend/php/src/setup/setup_library/xPandMenu.php | 233 |
1 files changed, 233 insertions, 0 deletions
diff --git a/backend/php/src/setup/setup_library/xPandMenu.php b/backend/php/src/setup/setup_library/xPandMenu.php new file mode 100644 index 0000000..d9c7d07 --- a/dev/null +++ b/backend/php/src/setup/setup_library/xPandMenu.php @@ -0,0 +1,233 @@ +<?php + +/******************************** +* xPandMenu MULTI-LEVEL class +********************************* +* Creates a tree-view menu. +* The menu can be as deep as needed +* The menu items are organised in HTML unordered lists +* Container nodes can be expanded/collapsed thanks to Javascript actions +********************************* +* Patrick Brosset +* patrickbrosset@gmail.com +********************************* +* 02/2005 +*********************************/ + + + +// Path to default image files (directories and documents icons) -- (use absolute URL) +define('NODE_DEFAULT_IMG','http://project.zoe.co.nz/patrick/xpand/multi/images/folder_win.gif'); +define('LEAF_DEFAULT_IMG','http://project.zoe.co.nz/patrick/xpand/multi/images/document_win.gif'); +define('NODE_DEFAULT_ALT_IMG','http://project.zoe.co.nz/patrick/xpand/multi/images/folder_win_o.gif'); +define('LEAF_DEFAULT_ALT_IMG','http://project.zoe.co.nz/patrick/xpand/multi/images/document_win_o.gif'); + +// Reference to the File class for saving and loading the generated menu +//include_once 'File.php'; + + + +// Xmenu class +class XMenu +{ + + + // Sub-nodes contained in this menu (references to Xnode objects) + var $items = array(); + + // Keeps track of the HTML code indent to use (formatting of UL and LI) + var $indent; + + // Is it the first node ? + var $first; + + // Used for assigning unique IDs to HTML elements (for the javascript function) + var $treeCount; + + // Same for images + var $imgCount; + + // Contains the generated HTML code + var $output; + + // Contains the nodes to expand when generating tree + var $visibleNodes = array("1"); + + + + // Constructor + function XMenu() + { + $this->indent = 0; + $this->first = true; + $this->treeCount = 0; + $this->imgCount = 0; + $this->output = ""; + } + + + + // addItem, adds a child to this menu + // Takes a XNode object reference as argument + function &addItem(&$node) + { + $this->items[] = &$node; + return $this->items[count($this->items) - 1]; + } + + + + // generateTree, generates the HTML code (UL list) for the dynamic tree-view + function generateTree($root = false) + { + if(!$root) $root = $this; + + if($this->first){ + $this->output .= $this->codeIndent()."<ul id=\"XRoot\" class=\"XtreeRoot\">\n"; + $this->first = false; + }else{ + if (array_search($this->treeCount, $this->visibleNodes) !== false) + { + $this->output .= $this->codeIndent()."<ul id=\"Xtree".$this->treeCount."\" class=\"Xtree\" style=\"display:block;\">\n"; + } + else + { + $this->output .= $this->codeIndent()."<ul id=\"Xtree".$this->treeCount."\" class=\"Xtree\" style=\"display:none;\">\n"; + } + } + $this->treeCount ++; + foreach($root->items as $myChild){ + $this->imgCount ++; + if($myChild->img){ + if($myChild->alt_img){ + $img_js = "xSwapImg(document.getElementById('Ximg".$this->imgCount."'),'".$myChild->img."','".$myChild->alt_img."');"; + }else{ + $img_js = ""; + } + if (array_search($this->treeCount, $this->visibleNodes) !== false) + { + $img = "<img onClick=\"".$img_js."xMenuShowHide(document.getElementById('Xtree".$this->treeCount."'));\" id=\"Ximg".$this->imgCount."\" src=\"".$myChild->alt_img."\" border=\"0\"> "; + } + else + { + $img = "<img onClick=\"".$img_js."xMenuShowHide(document.getElementById('Xtree".$this->treeCount."'));\" id=\"Ximg".$this->imgCount."\" src=\"".$myChild->img."\" border=\"0\"> "; + } + }else{ + $img = "";$img_js = ""; + } + if($myChild->link){ + $href_open = "<a href=\"".$myChild->link."\">"; + $href_close = "</a>"; + }else{ + $href_open = ""; + $href_close = ""; + } + if(count($myChild->items) != 0){ + $this->output .= $this->codeIndent()."<li class=\"Xnode\" id=\"Xnode".$this->treeCount."\"><div>".$href_open.$img.$myChild->name.$href_close."</div></li>\n"; + $this->indent ++; + $this->generateTree($myChild); + }else{ + $this->output .= $this->codeIndent()."<li class=\"Xleaf\"><div onClick=\"".$img_js."\">".$href_open.$img.$myChild->name.$href_close."</div></li>\n"; + } + } + $this->output .= $this->codeIndent()."</ul>\n"; + $this->indent --; + + return $this->output; + } + + + + // saveTree and restoreTree - thanks to Niels Fanoe (niels.f@noee.dk) for giving me the idea + + // saveTree, save the generated HTML code to a file for future use without generating again + function saveTree($filename = "xMenuCache.html") + { + $file = new File(); + $file->write($this->output,$filename); + $file->printError(); + return $filename; + } + + + + // restoreTree, returns the previously generated HTML code stored in a file + // Call this method STATICALLY for easier use: XMenu::restoreTree("xPandMenuCode.html"); + function restoreTree($filename = "xMenuCache.html") + { + $file = new File(); + $menu = $file->read($filename); + $error = $file->getError(); + if(!empty($error)) return false; + else return $menu; + } + + + + // codeIndent, only used to create a nice and readable HTML code (indents the UL and LI tags) + function codeIndent() + { + $str = ""; + for($i=0;$i<$this->indent;$i++){ + $str .= " "; + } + return $str; + } + + +} + + + + +// XNode class: A node item in the menu +class XNode +{ + + + // Name assigned to this node (Text shown on the item) + var $name; + + // Link for the item (if any) + var $link; + + // Sub-items of this node + var $items = array(); + + // Absolute URL of this node's icon + var $img; + + // Absolute URL of this node's icon (alternate, used for expanded and collapsed states) + var $alt_img; + + + + // constructor + // $name: text shown for this item + // $link: where does this item links to when clicked (optional) + // $img and $alt_img: images displayed next to this item (absolute paths to images must be used) + function XNode($name,$link = false,$img = LEAF_DEFAULT_IMG,$alt_img = LEAF_DEFAULT_ALT_IMG) + { + $this->name = $name; + $this->link = $link; + $this->img = $img; + $this->alt_img = $alt_img; + } + + + + // addItem, adds a subnode under this node + // Takes a XNode object reference as argument + function &addItem(&$node) + { + if($this->img == LEAF_DEFAULT_IMG){$this->img = NODE_DEFAULT_IMG;} + if($this->alt_img == LEAF_DEFAULT_ALT_IMG){$this->alt_img = NODE_DEFAULT_ALT_IMG;} + $this->items[] = &$node; + return $this->items[count($this->items) - 1]; + } + + + +} + +?>
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