User:Dr pda/prosesize.js
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//<pre>
//This function adds a link to the toolbox which, when clicked, displays the size of the page
//and the size of the prose. See the talk page for more details.
//
//This function requires the addLink function. If you do not already have it,
//add {{subst:js|User:Omegatron/monobook.js/addlink.js}} to your monobook.js.
//
//To use this function add {{subst:js|User:Dr pda/prosesize.js}} to your monobook.js
//
function loadXMLDoc(url,handler, page)
{
// branch for native XMLHttpRequest object
if (window.XMLHttpRequest) {
var req = new XMLHttpRequest();
}
// branch for IE/Windows ActiveX version
else if (window.ActiveXObject) {
var req = new ActiveXObject("Microsoft.XMLHTTP");
}
if (req) {
req.onreadystatechange = function () {handler(req, page)};
req.open("GET", url, true);
req.send("");
}
}
function getWikiText(req, page) {
// only if req shows "loaded"
if (req.readyState == 4) {
// only if "OK"
if (req.status == 200) {
// ...processing statements go here...
response = req.responseText;
var startindex = response.indexOf('»');
startindex = response.indexOf('title="'+page+'"',startindex);
var endindex = response.indexOf('</li>',startindex);
if(startindex > -1){
searchresult = response.substr(startindex,endindex-startindex);
result = searchresult.match(/\d+\.\d kB \(\d+ words\)/);
wiki_value = document.createElement("li");
wiki_value.id = "wiki-size";
wiki_value.innerHTML = '<b>Wiki text: </b>'+result;
var output = document.getElementById("document-size-stats");
prose_value = document.getElementById("prose-size");
output.insertBefore(wiki_value,prose_value);
}
else{
//alert("There was a problem using the Wikipedia Search to find the wiki text size\nEither the search is not working or the correct article did not appear on the first page of results");
wiki_value = document.createElement("li");
wiki_value.id = "wiki-size";
wiki_value.innerHTML = '<b>Wiki text: </b>Problem with search';
var output = document.getElementById("document-size-stats");
prose_value = document.getElementById("prose-size");
output.insertBefore(wiki_value,prose_value);
}
} else {
alert("There was a problem retrieving the XML data:\n" +
req.statusText);
}
}
}
function getFileSize(req) {
// only if req shows "loaded"
if (req.readyState == 4) {
// only if "OK"
if (req.status == 200) {
// ...processing statements go here...
var fsize = req.responseText.length;
window.status = fsize;
var total_value = document.createElement("li");
total_value.id = "total-size";
total_value.innerHTML='<b>File size: </b>'+(fsize/1024).toFixed(0)+' kB';
var output = document.getElementById("document-size-stats");
var prose_html_value = document.getElementById("prose-size-html");
output.insertBefore(total_value,prose_html_value);
} else {
alert("There was a problem retrieving the XML data:\n" +
req.statusText);
}
}
}
function getLength(id){
var textLength = 0;
for(var i=0;i<id.childNodes.length; i++){
if(id.childNodes[i].nodeName == '#text'){
textLength += id.childNodes[i].nodeValue.length;
}
else{
textLength += getLength(id.childNodes[i]);
}
}
return textLength;
}
function getDocumentSize(){
var bodyContent = document.getElementById("bodyContent");
if(document.getElementById("document-size-stats")){
//if statistics already exist, turn them off and remove highlighting
var output = document.getElementById("document-size-stats");
var oldStyle = output.className;
var pList = bodyContent.getElementsByTagName("p");
for(var i=0;i<pList.length; i++){
if(pList[i].className != 'catlinks') pList[i].style.cssText = oldStyle;
}
output.parentNode.removeChild(output);
var header = document.getElementById("document-size-header");
header.parentNode.removeChild(header);
}
else{
var output = document.createElement("ul");
output.id = "document-size-stats";
var prose_html_value = document.createElement("li");
prose_html_value.id = "prose-size-html";
output.appendChild(prose_html_value);
var ref_html_value = document.createElement("li");
ref_html_value.id = "ref-size-html";
output.appendChild(ref_html_value);
var prose_value = document.createElement("li");
prose_value.id = "prose-size";
output.appendChild(prose_value);
output.className = bodyContent.getElementsByTagName("p").item(0).style.cssText;
var ref_value = document.createElement("li");
ref_value.id = "ref-size";
output.appendChild(ref_value);
var dummy = document.getElementById("siteSub");
dummy.parentNode.insertBefore(output, dummy.nextSibling);
var header = document.createElement("span");
header.id = "document-size-header";
header.innerHTML = '<br/>Document statistics: <small><i>(See <a href="http://en.wikipedia.org/wiki/User_talk:Dr_pda/prosesize.js">here</a> for details.)<i></small>';
dummy.parentNode.insertBefore(header,output);
//If browser supports document.fileSize property (IE)
if(document.fileSize){
var total_value = document.createElement("li");
total_value.id = "total-size";
total_value.innerHTML='<b>File size: </b>'+(document.fileSize/1024).toFixed(0)+' kB';
output.insertBefore(total_value,prose_html_value);
}
else{
loadXMLDoc(location.pathname,getFileSize)
}
//Get size of images only if browser supports filesize property (IE)
var iList = bodyContent.getElementsByTagName("img");
if(iList.length >0 && iList[0].fileSize){
//Get size of images included in document
var image_size = 0;
var first_magnify = true;
for (var i=0;i<iList.length; i++){
var im = iList[i];
if(im.getAttribute("src").indexOf("magnify-clip.png") != -1){
if(first_magnify){
image_size += im.fileSize*1;
first_magnify = false;
}
}
else{
image_size += im.fileSize*1;
}
}
var image_value = document.createElement("li");
image_value.id = "image-size";
image_value.innerHTML='<b>Images: </b>'+(image_size/1024).toFixed(0)+' kB';
output.appendChild(image_value);
}
//Calculate prose size
var pList = bodyContent.getElementsByTagName("p");
prose_size = 0;
prose_size_html = 0;
word_count = 0;
for(var i=0;i<pList.length; i++){
var para = pList[i];
if(para.className != 'catlinks'){
prose_size += getLength(para);
prose_size_html += para.innerHTML.length;
word_count += para.innerHTML.replace(/(<([^>]+)>)/ig,"").split(' ').length
para.style.cssText = "background-color:yellow";
}
}
//Calculate size of reference markers ([1] etc)
var rmList = bodyContent.getElementsByTagName("sup");
refmark_size = 0;
refmark_size_html = 0;
for(var i=0;i<rmList.length; i++){
var refmark = rmList[i];
if(refmark.className == "reference"){
refmark_size += getLength(refmark);
refmark_size_html += refmark.innerHTML.length;
}
}
prose_value.innerHTML='<b>Prose size (text only): </b>'+((prose_size-refmark_size)/1024).toFixed(0)+' kB ('+word_count+' words)';
prose_html_value.innerHTML='<b>Prose size (HTML): </b>'+((prose_size_html-refmark_size_html)/1024).toFixed(0)+' kB';
//Calculate size of references (i.e. output of <references/>)
var rList = bodyContent.getElementsByTagName("ol");
var ref_size = 0;
var ref_size_html = 0;
for (var i=0; i<rList.length; i++){
if(rList[i].className == "references"){
ref_size = getLength(rList[i]);
ref_size_html = rList[i].innerHTML.length;
}
}
ref_value.innerHTML='<b>References (text only): </b>'+((ref_size+refmark_size)/1024).toFixed(0)+' kB';
ref_html_value.innerHTML='<b>References (HTML): </b>'+((ref_size_html+refmark_size_html)/1024).toFixed(0)+' kB';
//get correct name of article from first h1 tag
//Use this instead of location.pathname in order to handle redirects
var pageNameSpaces = document.getElementsByTagName("h1").item(0).innerHTML;
var pageNameUnderscores = pageNameSpaces.replace(/ /g,'_')
//if page is a permalink, diff, etc don't try to search
if(!location.pathname.match('/w/index.php')){
//Get size as returned by Wikipedia search
var searchURL = '/wiki/Special:Search?search=' + pageNameUnderscores + '&fulltext=Search';
loadXMLDoc(searchURL,getWikiText,pageNameSpaces);
}
}
}
addOnloadHook(function () {
if(!document.forms.editform){
addLink('p-tb', 'javascript:getDocumentSize()', 'Page size', 't-page-size', 'Calculate page and prose size', '', '');
}
});
//</pre>
