By Ryan Grove
—
Last update
Jun 14, 2008
—
Installed
179 times.
/**
* JyteKeys - Adds hotkeys for common operations on Jyte.
*
* Copyright (c) 2008 Ryan Grove <ryan@wonko.com>.
* All rights reserved.
*
* @version 1.0.2 (2008-06-13)
*/
// ==UserScript==
// @name JyteKeys
// @namespace http://jyte.com/
// @description Adds hotkeys for common operations on Jyte.
// @include http://jyte.com/*
// @require http://yui.yahooapis.com/2.5.2/build/yahoo-dom-event/yahoo-dom-event.js
// ==/UserScript==
var d = document,
w = window,
Y = YAHOO,
yut = Y.util,
yud = yut.Dom,
yue = yut.Event;
var JyteKeys = function () {
// -- Constants --------------------------------------------------------------
var c = {
URL_EVERYBODY : 'http://jyte.com/claims',
URL_HOME : 'http://jyte.com/home',
URL_MAKECLAIM : 'http://jyte.com/claim/new',
URL_NEWCOMMENTS: 'http://jyte.com/claims/recently_commented?new_comments=on&comments_by=', // append openid
URL_PROFILE : 'http://jyte.com/profile/', // append openid
URL_RANDOM : 'http://jyte.com/claim/random',
URL_SIGNIN : 'http://jyte.com/auth/login',
URL_SPY : 'http://jyte.com/spy'
};
// -- Private Variables ------------------------------------------------------
var hotKeys = {};
// -- Private Event Handlers -------------------------------------------------
function handleKeyComments() {
w.location = c.URL_NEWCOMMENTS + getOpenId();
}
function handleKeyEverybody() {
w.location = c.URL_EVERYBODY;
}
function handleKeyHome() {
w.location = c.URL_HOME;
}
function handleKeyLegend() {
var legend = yud.get('jytekeys');
yud.removeClass(legend, 'hidden') || yud.addClass(legend, 'hidden');
}
function handleKeyMakeClaim() {
w.location = c.URL_MAKECLAIM;
}
function handleKeyNext() {
var nextPage = getPage() + 1;
if (/page=\d+/.test(w.location.search)) {
w.location.search = w.location.search.replace(/page=\d+/, 'page=' +
nextPage);
} else {
w.location.search += '&page=' + nextPage;
}
}
function handleKeyPrev() {
var prevPage = getPage() - 1;
if (prevPage < 1) {
return;
}
if (/page=\d+/.test(w.location.search)) {
w.location.search = w.location.search.replace(/page=\d+/, 'page=' +
prevPage);
} else {
w.location.search += '&page=' + prevPage;
}
}
function handleKeyProfile() {
w.location = c.URL_PROFILE + getOpenId();
}
function handleKeyRandom() {
w.location = c.URL_RANDOM;
}
function handleKeySignIn() {
w.location = c.URL_SIGNIN;
}
function handleKeySpy() {
w.location = c.URL_SPY;
}
function handleKeyVoteNo() {
yud.get('votes_against').onclick();
}
function handleKeyVoteYes() {
yud.get('votes_for').onclick();
}
// -- Private Methods --------------------------------------------------------
function disableKeys() {
for (var key in hotKeys) {
if (hotKeys.hasOwnProperty(key)) {
hotKeys[key].disable();
}
}
}
function enableKeys() {
for (var key in hotKeys) {
if (hotKeys.hasOwnProperty(key)) {
hotKeys[key].enable();
}
}
}
function getOpenId() {
var loginInfo = yud.get('login_info_box'),
match = /Signed in as (\S+?)<\/li>/.exec(loginInfo.innerHTML);
return match && match[1] ? match[1] : null;
}
function getPage() {
var match = /page=(\d+)/.exec(w.location.search);
return match && match[1] ? (new Number(match[1])).valueOf() : 1;
}
function inject() {
GM_addStyle(
'#jytekeys { background: #f7f6fe; border: 1px solid #bfa7ff; font-size: 0.9em; padding: 6px; position: fixed; left: 8px; opacity: 0.9; top: 8px; width: 200px; }' +
'#jytekeys.hidden { display: none; }' +
'#jytekeys h1 { font-size: 1.2em; font-weight: bold; }' +
'#jytekeys table { margin: 4px 0 0 0; }' +
'#jytekeys table tr { vertical-align: top; }' +
'#jytekeys table tr th { font-weight: bold; padding-right: 6px; }');
var div = d.createElement('div');
div.id = 'jytekeys';
div.className = 'hidden';
div.innerHTML = '<h1>Hotkeys</h1>' +
'<table>' +
(hotKeys.c ? '<tr><th scope="row">c</th><td>new comments on claims you\'ve commented on</td></tr>' : '') +
'<tr><th scope="row">e</th><td>everybody\'s claims</td></tr>' +
'<tr><th scope="row">h</th><td>home</td></tr>' +
(hotKeys.i ? '<tr><th scope="row">i</th><td>sign in</td></tr>' : '') +
'<tr><th scope="row">l</th><td>show/hide this legend</td></tr>' +
(hotKeys.m ? '<tr><th scope="row">m</th><td>make a claim</td></tr>' : '') +
(hotKeys.n ? '<tr><th scope="row">n</th><td>next page</td></tr>' : '') +
(hotKeys.p ? '<tr><th scope="row">p</th><td>previous page</td></tr>' : '') +
'<tr><th scope="row">r</th><td>random claim</td></tr>' +
'<tr><th scope="row">s</th><td>Jyte spy</td></tr>' +
(hotKeys.y ? '<tr><th scope="row">y</th><td>your profile</td></tr>' : '') +
(hotKeys['+'] ? '<tr><th scope="row">+</th><td>agree with current claim</td></tr>' : '') +
(hotKeys['-'] ? '<tr><th scope="row">-</th><td>disagree with current claim</td></tr>' : '') +
'</table>';
d.body.appendChild(div);
}
return {
c: c,
// -- Public Methods -------------------------------------------------------
init: function () {
// Attach key listeners.
hotKeys['e'] = new yut.KeyListener(d, { keys: 69 }, { fn: handleKeyEverybody });
hotKeys['h'] = new yut.KeyListener(d, { keys: 72 }, { fn: handleKeyHome });
hotKeys['l'] = new yut.KeyListener(d, { keys: 76 }, { fn: handleKeyLegend });
hotKeys['r'] = new yut.KeyListener(d, { keys: 82 }, { fn: handleKeyRandom });
hotKeys['s'] = new yut.KeyListener(d, { keys: 83 }, { fn: handleKeySpy });
// Only enable user-specific keys if user is logged in.
if (getOpenId()) {
hotKeys['c'] = new yut.KeyListener(d, { keys: 67 }, { fn: handleKeyComments });
hotKeys['m'] = new yut.KeyListener(d, { keys: 77 }, { fn: handleKeyMakeClaim });
hotKeys['y'] = new yut.KeyListener(d, { keys: 89 }, { fn: handleKeyProfile });
} else {
hotKeys['i'] = new yut.KeyListener(d, { keys: 73 }, { fn: handleKeySignIn });
}
// Only enable prev/next keys if this page is part of a paginated results
// list. This is a regexp for speed (much faster than testing every link
// on the page).
if ((/<a\s+href=".*?page=\d+.*?">\s*Next\s+\d+\s*<\/a>/i).test(
d.body.innerHTML)) {
hotKeys['n'] = new yut.KeyListener(d, { keys: 78 }, { fn: handleKeyNext });
}
if ((/<a\s+href=".*?page=\d+.*?">\s*Previous\s+\d+\s*<\/a>/i).test(
d.body.innerHTML)) {
hotKeys['p'] = new yut.KeyListener(d, { keys: 80 }, { fn: handleKeyPrev });
}
// Only enable voting keys if this is a claim detail page.
var voteYes = yud.get('votes_for'),
voteNo = yud.get('votes_against');
if (voteYes && voteNo) {
hotKeys['='] = new yut.KeyListener(d, { keys: 61 }, { fn: handleKeyVoteYes });
hotKeys['+'] = new yut.KeyListener(d, { keys: 107 }, { fn: handleKeyVoteYes });
hotKeys['-'] = new yut.KeyListener(d, { keys: 109 }, { fn: handleKeyVoteNo });
}
// Only enable keys by default if this isn't the Make a Claim page, since
// that page automatically sets focus on the claim title input box.
if (!yud.get('new_claim_box')) {
enableKeys();
}
// Stop listening for hotkeys when an input, select, or textarea element
// gets focus.
var inputs = d.body.getElementsByTagName('input'),
selects = d.body.getElementsByTagName('select'),
textareas = d.body.getElementsByTagName('textarea');
yue.on(inputs, 'focus', disableKeys);
yue.on(selects, 'focus', disableKeys);
yue.on(textareas, 'focus', disableKeys);
yue.on(inputs, 'blur', enableKeys);
yue.on(selects, 'blur', enableKeys);
yue.on(textareas, 'blur', enableKeys);
// Inject CSS styles and hotkey legend.
inject();
}
};
}();
JyteKeys.init();
