There are 8 previous versions of this script.
// ==UserScript==
// @name auto-completion of @replies in stackexchange comments
// @namespace stackoverflow
// @description Provides auto-completion of @replies in comments on Stack Exchange sites. Type "@" followed by the beginning of the username, then hit Ctrl+Space to auto-complete.
// @include http://stackoverflow.com/*
// @include http://meta.stackoverflow.com/*
// @include http://superuser.com/*
// @include http://meta.superuser.com/*
// @include http://serverfault.com/*
// @include http://meta.serverfault.com/*
// @include http://askubuntu.com/*
// @include http://meta.askubuntu.com/*
// @include http://answers.onstartups.com/*
// @include http://meta.answers.onstartups.com/*
// @include http://nothingtoinstall.com/*
// @include http://meta.nothingtoinstall.com/*
// @include http://seasonedadvice.com/*
// @include http://meta.seasonedadvice.com/*
// @include http://crossvalidated.com/*
// @include http://askdifferent.com/*
// @include http://meta.crossvalidated.com/*
// @include http://stackapps.com/*
// @include http://*.stackexchange.com/*
// @exclude http://chat.stackexchange.com/*
// @exclude http://api.*.stackexchange.com/*
// @exclude http://data.stackexchange.com/*
// @exclude http://area51.stackexchange.com/*
// ==/UserScript==
//Script "homepage": http://stackapps.com/questions/2341/auto-completion-of-user-name-for-replies-in-comments
(function(){
function with_jquery(f) {
var script = document.createElement("script");
script.type = "text/javascript";
script.textContent = "(" + f.toString() + ")(jQuery)";
document.body.appendChild(script);
};
with_jquery(function($)
{
var suffix = ': ';
$('textarea[name=comment]').live('keypress', function(e) {
if(!(e.ctrlKey && e.which == 0x20 && !e.altKey))
return;
//how far back from current cursor position to look for @ symbol
var MAX_LEN = 15;
if(this.selectionStart != this.selectionEnd)
return;
var cursor = this.selectionStart;
var text = $(this).val();
var before = text.substring(0, cursor);
var after = text.substring(cursor, text.length);
var names = getNames($(this));
var started = '';
//scan backwards through text before cursor, looking for @ symbol
for(var i = before.length - 1; i>=0 && i>= before.length - MAX_LEN; i--)
{
if(before.charAt(i) == '@')
{
//started now contains the part of the user name that has been typed
started = before.substring(i+1, before.length);
break;
}
}
var startedLen = started.length; //because this might change when anglicized...
started = anglicize(started);
started = started.replace(/\s+/g, ''); //remove all spaces
if(started.length == 0)
return;
var matches = new Array();
$.each(names, function() {
if(startsWithIgnoreCase(anglicize(this.toString()), started))
matches.push(this.toString());
});
if(matches.length < 1)
return;
var name = commonStartIgnoreCase(matches);
before = before.substring(0, before.length - startedLen) + name;
if(matches.length == 1)
before += suffix;
$(this).val(before + after);
this.selectionStart = this.selectionEnd = before.length;
return false;
});
//Get a list of names of users who have either asked this question, provided this
//answer (if comment is left on an answer), or left a comment on this answer.
function getNames($ta)
{
var names = $ta.data('names'); //array of user names
if(names != undefined)
return names;
var names = new Array();
//callback for $().each(). adds element's .text() to the names array
var addName = function() {
var name = $(this).text();
name = name.replace('\u2666',''); //remove moderator diamond
name = name.replace(/\s+/g, ''); //remove whitespace
if(name == '')
return;
//if it's not in the list, add it
if($.inArray(name, names) < 0)
names.push(name);
};
//get the name of the person who asked this question
$('.post-signature.owner>.user-info>.user-details>a[href^="/users/"]:first').each(addName);
//get the name of the person who provided this answer (if comment is left on answer)
var $ans = $ta.parents('.answer:first');
$('.post-signature>.user-info>.user-details>a[href^="/users/"]', $ans).each(addName);
//add each person active in this comment thread
var $com = $ta.parents('.comments:first');
$('.comment-user', $com).each(addName);
//names.sort();
//store list of names so we don't have to look it up again next time
$ta.data('names', names);
return names;
}
//Returns true if s starts with t, ignoring case
function startsWithIgnoreCase(s, t)
{
if(typeof s != 'string')
return false;
if(typeof t != 'string')
return false;
s = s.toUpperCase();
t = t.toUpperCase();
if(t.length == 0)
return true;
if(s.length < t.length)
return false;
return s.substring(0, t.length) == t;
}
//Returns the common starting substring of all strings in the given array
function commonStartIgnoreCase(matches)
{
if(matches.length < 1)
return '';
if(matches.length == 1)
return matches[0];
var ret = '';
for(var i = 0; i < matches[0].length; i++)
{
var chr = matches[0].charAt(i).toUpperCase();
var allMatch = true;
for(var j = 1; allMatch && j < matches.length; j++)
allMatch = (chr == matches[j].charAt(i).toUpperCase());
if(allMatch)
ret += matches[0].charAt(i);
else
break;
}
return ret;
}
//makes string englishier
function anglicize(s)
{
var foreign = ['\u00c0\u00c1\u00c2\u00c3\u00c4\u00c5'
,'\u00c6'
,'\u00c7'
,'\u00c8\u00c9\u00ca\u00cb'
,'\u00cc\u00cd\u00ce\u00cf'
,'\u00d1'
,'\u00d2\u00d3\u00d4\u00d5\u00d6\u00d8'
,'\u00d9\u00da\u00db\u00dc'
,'\u00dd'
,'\u00e0\u00e1\u00e2\u00e3\u00e4\u00e5'
,'\u00e6'
,'\u00e7'
,'\u00e8\u00e9\u00ea\u00eb'
,'\u00ec\u00ed\u00ee\u00ef'
,'\u00f1'
,'\u00f2\u00f3\u00f4\u00f5\u00f6\u00f8'
,'\u00f9\u00fa\u00fb\u00fc'
,'\u00fd\u00ff'
];
var english = ['A'
,'AE'
,'C'
,'E'
,'I'
,'N'
,'O'
,'U'
,'Y'
,'a'
,'ae'
,'c'
,'e'
,'i'
,'n'
,'o'
,'u'
,'y'
];
for(var i = 0; i < foreign.length; i++)
s = s.replace(new RegExp('[' + foreign[i] + ']', "g"), english[i]);
return s;
}
});
})();
