User:Bryan/EditPage.js

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Documentation for this user script can be added at User:Bryan/EditPage.

//<source lang="javascript>
/*
   Maintainer:  [[:commons:User:Bryan]]
   Copyright: (c) 2007 Bryan Tong Minh
   License: Licensed under the terms of the MIT license.

   Library to edit pages. Create an instance of EditPage,
   use the textData variable to obtain the page text, and
   save it using save().

   Tested on:
    * Mozilla Firefox 2.0.0.4
*/
function getToken(tokenName, text, def)
{
 var re = new RegExp('value\\=\\"(.*?)\\" name\\=\\"' +
  tokenName + '\\"');
 var res = re.exec(text);
 if (res)
  return res[1];
 else
  return def;
}

function EditPage(pageTitle, onload)
{
 this.pageTitle = pageTitle;
 this.onload = onload;
 
 var self = this;
 
 var req = sajax_init_object();
 req.open('GET', '/w/index.php?action=edit&title=' +
  encodeURIComponent(this.pageTitle), true);
 req.setRequestHeader('Cookie', document.cookie); //IE Fix
 req.onreadystatechange = function ()
 {
  if (req.readyState == 4)
  {
   var text = req.responseText;
   self.wpEditToken = getToken('wpEditToken', text, '');
   self.wpEdittime = getToken('wpEdittime', text, '0');
   self.wpStarttime = getToken('wpStarttime', text, '0');
   self.wpAutoSummary = getToken('wpAutoSummary', text, '');
   
   var re = new RegExp('\\<textarea[\\s\\S]*?id\\=\\"wpTextbox1\\"[\\s\\S]*?\\>([\\s\\S]*?)\\<\\/textarea\\>');
   var el = document.createElement('div');
   el.innerHTML = re.exec(text)[0];
   self.textData = el.textContent;
   
   self.onload();
  }
 };
 req.send(null);
 
 this.save = function (text, summary)
 {
  var postdata =
   'wpTextbox1=' + encodeURIComponent(text) +
   '&wpSummary=' + encodeURIComponent(summary) +
   '&wpSave=Save+page&wpScrolltop=0&wpSection=&wpEditToken=' +
   encodeURIComponent(this.wpEditToken) +
   '&wpEdittime=' + this.wpEdittime + '&wpStarttime=' +
   this.wpStarttime + '&wpAutoSummary=' + this.wpAutoSummary;
   
  var req = sajax_init_object();
  req.open('POST', '/w/index.php?action=submit&title=' +
   encodeURIComponent(this.pageTitle), true);
  req.setRequestHeader('Cookie', document.cookie); //IE Fix
  req.setRequestHeader('Content-Type',
   'application/x-www-form-urlencoded');
  req.setRequestHeader('Content-Length', postdata.length.toString());
  req.send(postdata);
 };
}
//</source>

User:Bryan/EditPage.js

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