//
<a class="autolink" href="/wiki/User:Quarl/wikipage.js">[[User:Quarl/wikipage.js]]</a> - "WikiPage" class for page name, etc.
functionality
// depends: util.js
// Suppose we are editing <a class="autolink" href="/wiki/Template talk:Foo bar 'blah'">[[Template talk:Foo bar 'blah']]</a>.
// WikiPage.editingP: true;
// ...
// wikiPage is a pre-initialized global variable using the current
page's canonical URL.
// It uses the "Retrieved from" page hyperlink which is robust against
redirections, editing, special characters, special pages.
//
// wikiPage.url:
"http://en.wikipedia.org/wiki/Template_talk:Foo_bar_%27blah%27"
// wikiPage.qurl:
"http://en.wikipedia.org/w/index.php?title=Template_talk:Foo_bar_%27blah%27"
// wikiPage.page: "Template talk:Foo bar 'blah'"
// wikiPage.article: "Foo bar 'blah'"
// wikiPage.namespace: "Template talk"
// wikiPage.namespaceNT: "Template"
// wikiPage.talkP: true
// wikiPage.nsTemplateP: true
// wikiPage.nsMainP: false
// wikiPage.nsUserP: false
// wikiPage.nsCategoryP: false
// wikiPage.nsSpecialP: false
// wikiPage.nsProjectP: false // (namespace "Wikipedia")
// To create new WikiPage object from a URL:
// var wp = new WikiPage("http://en.wikipedia.org/wiki/Article_Name");
// To create a new WikiPage object from a page name:
// var wp = new WikiPage(null, 'Article Name');
// <pre><nowiki>
/*
<div class="printfooter">
Retrieved from "<a
href="/wiki/Albert_Einstein">http://en.wikipedia.org/wiki/Albert_Einstein</a>"</div>
*/
// the "retrieved from" text contains the canonical article URL (even
if we're looking at an edit or history page)
function getCanonPageURL0() { return getElementsByClass("printfooter",
null, 'div')[0].getElementsByTagName('a')[0].href;
}
function getUsername0(doc) { // read username from pt-userpage link. //
<li id="pt-userpage"><a
href="/wiki/User:Quarl">Quarl</a></li> return
doc.getElementById('pt-userpage').getElementsByTagName('a')[0].text;
}
var wpNamespaces = {'Media':1, 'Special':1, 'Talk':1, 'User':1, 'User
talk':1, 'Wikipedia':1, 'Wikipedia talk':1, 'Image':1, 'Image talk':1,
'MediaWiki':1, 'MediaWiki talk':1, 'Template':1, 'Template talk':1,
'Help':1, 'Help talk':1, 'Category':1, 'Category talk':1, 'Portal':1,
'Portal talk':1,
};
function WikiPage(url, page, doc) { if (!(this instanceof WikiPage))
return new WikiPage(url, page, doc); this.doc = doc; if (url) { url =
"" + url; if (url.match( '^(?:http://'+WikiPage.server+')?/wiki/')) {
this.pageQuoted = RegExp.rightContext; } else if (url.match(
'^(?:http://'+WikiPage.server+')?/w/index\\.php\\?title=([^&]+)'))
{ this.pageQuoted = RegExp.$1; } else { alert("WikiPage: Couldn't parse
page name from url '"+url+"'"); return; } this.page =
wpadecode(this.pageQuoted); } else if (page) { this.page =
page.replace(/_/g, ' '); this.pageQuoted = wpaescape(page); } else {
alert("WikiPage: must specify url or page"); return; } this.url =
'http://'+WikiPage.server+'/wiki/' + this.pageQuoted; this.qurl =
'http://'+WikiPage.server+'/w/index.php?title=' + this.pageQuoted; //
Get term on the left of ":". Not any string is a namespace though, only
certain hardcoded ones! if (this.page.match(/:/) &&
wpNamespaces[RegExp.leftContext]) { this.namespace =
RegExp.leftContext; this.article = RegExp.rightContext; } else {
this.namespace = ''; // (main) this.article = this.page; } if
(this.namespace == 'Talk') { this.talkP = true; this.namespaceNT = '';
} else if (this.namespace.match(/ talk$/)) { this.talkP = true;
this.namespaceNT = RegExp.leftContext; } else { this.talkP = false;
this.namespaceNT = this.namespace; } if (this.article.match(/\//)) {
this.superarticle = RegExp.leftContext; this.subarticle =
RegExp.rightContext; } else { this.superarticle = this.article;
this.subarticle = ''; } this.nsMainP = (this.namespaceNT == '');
this.nsMediaP = (this.namespaceNT == 'Media'); this.nsSpecialP =
(this.namespaceNT == 'Special'); this.nsUserP = (this.namespaceNT ==
'User'); this.nsPortalP = (this.namespaceNT == 'Portal'); this.nsImageP
= (this.namespaceNT == 'Image'); this.nsMediaWikiP = (this.namespaceNT
== 'MediaWiki'); this.nsTemplateP = (this.namespaceNT == 'Template');
this.nsHelpP = (this.namespaceNT == 'Help'); this.nsCategoryP =
(this.namespaceNT == 'Category'); this.nsProjectP = (this.namespaceNT
== 'Wikipedia'); this.talkPage = function() { if (this.talkP) { return
this; } else if (this.namespaceNT == '') { return new WikiPage(null,
'Talk:'+this.article); } else { return new WikiPage(null,
this.namespaceNT+' talk:'+this.article); } } this.notalkPage =
function() { if (!this.talkP) { return this; } else if
(this.namespaceNT == '') { return new WikiPage(null, this.article); }
else { return new WikiPage(null, this.namespaceNT+':'+this.article); }
} this.sandboxP = Boolean(this.page.match(/sandbox$/i)); this.setDoc =
function(doc) { var wd = new WikiDocument(doc, this); if (wd.editingP)
{ this.editDoc = wd; } else { this.viewDoc = wd; } this.wd = wd; } if
(doc) { // Note that a WikiPage may have more than one associated
WikiDocument, // e.g. one from viewing and one from editing
this.setDoc(doc); this.relevantUser = this.wd.relevantUser; } else { //
this is less powerful than WikiDocument.relevantUser if we don't //
have access to doc. this.relevantUser = getRelevantUser0(this, doc); }
}
function WikiDocument(doc, wp) { this.doc = doc; this.wp = wp;
this.username = getUsername0(doc); // Note: can't use "doc.editform" or
"doc.forms.editform", because 'doc' // might actually be an XMLDocument
(not HTMLDocument), if this is the // result of an XMLHTTPRequest.
this.editForm = doc.getElementById('editform'); this.editingP =
Boolean(this.editForm); // obsolete method:
document.title.match(/^Editing /) this.protectedP =
Boolean(doc.getElementById("ca-viewsource")); this.newSectionP =
this.editForm && (this.editForm.wpSection.value == "new");
this.movePageP = Boolean(doc.getElementById("movepage")); this.previewP
= Boolean(doc.getElementById("wikiPreview")); this.historyP =
Boolean(doc.getElementById("pagehistory")); this.permalinkP =
Boolean(doc.getElementById("t-ispermalink")); this.oldid =
getOldid0(doc, this.permalinkP); this.relevantUser =
getRelevantUser0(wp, doc);
}
function getUsernameFromLink(link) { return link && (new
WikiPage(link)).relevantUser;
}
function getRelevantUser0(wp, doc) { if (wp.nsUserP) return
wp.superarticle; if (doc && wp.page == 'Special:Contributions')
{ var cdiv = doc.getElementById('contentSub'); if (cdiv.textContent ==
"For newbies") return null; return
getUsernameFromLink(cdiv.getElementsByTagName('a')[0]); } return null;
}
// Get the oldid ("permalink") for the current page.
// Note that we can't get oldid for editing pages, special pages, etc.
function getOldid0(doc, perm) { var tagid = perm ? 'ca-edit' :
't-permalink'; var tag = doc.getElementById(tagid); if (!tag) return
null; var href = tag.getElementsByTagName("a")[0].href; if (!href)
return null; href.match(/&oldid=([0-9]+)/); return RegExp.$1;
}
function getQueryVars0(){ var res = new Array(); var pairs =
location.search.substring(1).split("&"); for(var i=0; i <
pairs.length; i++){ var pair = pairs[i].split("=");
res[decodeURIComponent(pair[0])] = decodeURIComponent(pair[1]); }
return res;
}
function initWikiPage() { WikiPage.server = window.location.host ||
'en.wikipedia.org'; window.wikiPage = new WikiPage(getCanonPageURL0(),
null, document); window.wikiDoc = wikiPage.wd; WikiPage.queryVars =
window.queryVars = getQueryVars0(); // these are all deprecated
WikiPage.username = window.username = wikiDoc.username;
WikiPage.relevantUser = window.relevantUser = wikiDoc.relevantUser;
WikiPage.editingP = window.editingP = wikiDoc.editingP;
WikiPage.newSectionP = window.newSectionP = wikiDoc.newSectionP;
WikiPage.movePageP = window.movepageP = wikiDoc.movePageP;
WikiPage.previewP = window.previewP = wikiDoc.previewP;
WikiPage.historyP = window.historyP = wikiDoc.historyP;
WikiPage.sandboxP = window.sandboxP = wikiDoc.sandboxP;
WikiPage.permalinkP = window.permalinkP = wikiDoc.permalinkP;
WikiPage.oldid = window.pageOldid = wikiDoc.oldid;
}
// DEPRECATED:
function getPname() { return wikiPage.page; }
function getPnameNS() { return wikiPage.namespace; }
function getPnameNoNS() { return wikiPage.article; }
function pageIsSpecial() { return wikiPage.nsSpecialP; }
function get_query_vars() { return queryVars; }
$(initWikiPage);
// obsolete method 1:
// function getPname0() {
// var z=document.getElementById("content").childNodes;
// for (var n=0;n<z.length;n++) {
// if (z[n].className=="firstHeading") return z[n].textContent;
// }
// }
// function getPname1() {
// var t = getPname0();
// t = t.replace(/^Editing /,'');
// t = t.replace(/ \(section\)$/,'');
// return t;
// }
// obsolete method 2:
// document.title.substr(0, document.title.lastIndexOf(' - Wikipedia,
the free'));
//</nowiki></pre>
