Extension:Treeview3.php
<?php
- MediaWiki Treeview ExtensionTemplate:Php
|
- - See http://www.mediawiki.org/wiki/Extension:Tree_view for installation and usage details
- - Licenced under LGPL (http://www.gnu.org/copyleft/lesser.html)
- - Author: http://www.organicdesign.co.nz/nad
if (!defined('MEDIAWIKI')) die('Not an entry point.');
define('TREEVIEW_VERSION','3.5.7, 2007-05-15');
if (!is_array($wgTreeViewImages)) $wgTreeViewImages = array( 'plus' => "$wgUploadPath/7/72/Plus.gif", 'minus' => "$wgUploadPath/a/a0/Minus.gif", 'opened' => "$wgUploadPath/4/46/Folder_opn_sml_yel.gif", 'closed' => "$wgUploadPath/6/6e/Folder_sml_yel.gif", 'doc' => "$wgUploadPath/e/e3/Doc-icon.gif", 'spacer' => "$wgUploadPath/c/c0/Blank.gif" );
- Keep track of JavaScript added to page to avoid doubleups
if (!isset($wgJS)) $wgJS = array();
$wgTreeViewMagic = "tree"; # the parser-function name for trees $wgExtensionFunctions[] = 'wfSetupTreeView'; $wgHooks['LanguageGetMagic'][] = 'wfTreeViewLanguageGetMagic';
$wgExtensionCredits['parserhook'][] = array( 'name' => 'Treeview', 'author' => 'User:Nad', 'url' => 'http://www.mediawiki.org/wiki/Extension:Treeview', 'description' => 'Allows dynamic tree-views to be made with bullet-list syntax', 'version' => TREEVIEW_VERSION );
class TreeView {
var $version = TREEVIEW_VERSION; var $token = '@@@'; var $id = 0; var $js = 0; var $info; var $args;
# Constructor function TreeView($magic) { global $wgParser,$wgHooks; $this->info = array(); $this->args = array(); $wgParser->setFunctionHook($magic,array($this,'Tree')); $wgParser->setHook('TreeViewRowStart',array($this,'RowStart')); $wgParser->setHook('TreeViewRowEnd',array($this,'RowEnd')); }
# Restructure recursive trees to single root trees surrounded by $magic tags function Tree(&$parser) { $this->addJS(); $args = array(); foreach (func_get_args() as $arg) if (!is_object($arg)) { if (preg_match('/^(.+?)=(.+)$/',$arg,$match)) $args[$match[1]] = $match[2]; else $args[] = $arg; } $text = $args[0]; $tree = ; $token = $this->token; $ver = $this->version; $id = $this->id++; if (count($parser->mTemplatePath)) $tree = "*O$token\n$text\n*C$token"; elseif (preg_match_all("/^(\\*+)(.$token)? *(.*?) *$/m",$text,$match)) { $this->args[$id] = $args; $this->info[$id] = array(); $nest = array(); $ld = ; $row = -1; foreach ($match[1] as $i => $indent) { if ($sub = $match[2][$i]) $sub == "O$token" ? $nest[] = substr($ld,0,-1) : array_pop($nest); elseif ($item = $match[3][$i]) { $this->info[$id][++$row] = strlen($indent.join(,$nest))-1; $tree .= "<TreeViewRowStart>$id,$row</TreeViewRowStart>$item<TreeViewRowEnd/>\n"; } $ld = $indent; }
$tree = "
\n$tree";
} return $tree; }
# Convert each row into HTML function RowStart($text,$argv,&$parser) { global $wgTreeViewImages; list($id,$row) = split(',',$text);
$args = $this->args[$id]; $info = $this->info[$id]; $node = $id*1000+$row; $depth = $info[$row]; $next = isset($info[$row+1]) ? $info[$row+1] : 0; $plus = isset($args['plus']) ? $args['plus'] : $wgTreeViewImages['plus']; $minus = isset($args['minus']) ? $args['minus'] : $wgTreeViewImages['minus']; $opened = isset($args['opened']) ? $args['opened'] : $wgTreeViewImages['opened']; $closed = isset($args['closed']) ? $args['closed'] : $wgTreeViewImages['closed']; $spacer = isset($args['spacer']) ? $args['spacer'] : $wgTreeViewImages['spacer']; $doc = isset($args['doc']) ? $args['doc'] : $wgTreeViewImages['doc']; $default = isset($args['openlevels']) ? $args['openlevels'] : 0;
$show = $depth > $default ? ' style="display:none"' : ; if ($depth >= $default) { $open = $plus; $icon = $closed; } else { $open = $minus; $icon = $opened; } if ($depth >= $next) { $open = ; $icon = $doc; } else $open = "<a href='javascript:toggleTreeviewItem($node)'><img id='tree-img-$node' src='$open'/></a>";
return "<tr$show class='tree-row' depth='$depth' id='$node'>"
. "<img src='$spacer' width='".($depth*16)."' height='1'/>$open"
. " <img id='tree-fld-$node' src='$icon'/> "; }
function RowEnd($text,$argv,&$parser) {
return "\n"; } # Add the javascript to the output object if not added yet and there is at least one tree function addJS() { global $wgOut,$wgTreeViewImages,$wgJS,$wgJsMimeType; if (isset($wgJS['TreeView'])) return; $wgJS['TreeView'] = true; $plus = $wgTreeViewImages['plus']; $minus = $wgTreeViewImages['minus']; $opened = $wgTreeViewImages['opened']; $closed = $wgTreeViewImages['closed']; $spacer = $wgTreeViewImages['spacer']; $doc = $wgTreeViewImages['doc']; $wgOut->addScript('<script type="'.$wgJsMimeType.'"> function toggleTreeviewItem(id) { var plus = "'.$plus.'"; var minus = "'.$minus.'"; var opened = "'.$opened.'"; var closed = "'.$closed.'"; var doc = "'.$doc.'"; var item = document.getElementById(id); var next = document.getElementById(id+1); var depth = 0+item.getAttribute("depth"); var close = next.style.display != "none"; var img = document.getElementById("tree-img-"+id); var fld = document.getElementById("tree-fld-"+id); fld.setAttribute("src",close ? closed : opened); img.setAttribute("src",close ? plus : minus); while ((item = document.getElementById(++id)) && (0+item.getAttribute("depth") > depth)) { if (close) item.style.display = "none"; else if (depth == item.getAttribute("depth")-1) { item.style.display = ""; if (img = document.getElementById("tree-img-"+id)) img.setAttribute("src",plus); if (fld = document.getElementById("tree-fld-"+id)) if (fld.getAttribute("src") == opened) fld.setAttribute("src",closed); } } }</script>'); } }
- Called from $wgExtensionFunctions array when initialising extensions
function wfSetupTreeView() { global $wgTreeView,$wgTreeViewMagic,$wgVersion; $wgTreeView = new TreeView($wgTreeViewMagic); $wgTreeView->addJS(); # addScript doesn't seem to work from within parser }
- Needed in MediaWiki >1.8.0 for magic word hooks to work properly
function wfTreeViewLanguageGetMagic(&$magicWords,$langCode = 0) { global $wgTreeViewMagic; $magicWords[$wgTreeViewMagic] = array(0,$wgTreeViewMagic); return true; } ?>
