// ==UserScript==
// @name IMDB - MovieLens rating
// @namespace grease1 DOT daniboy AT antichef DOT com
// @description Adds the MovieLens rating for a film
// @include http://imdb.com/title/tt*
// @include http://*.imdb.com/title/tt*
// @date 2008-04-12
// @version 0.3
// @GM_version 0.6.8
// ==/UserScript==
window.addEventListener('load', loadMovieLensScript, false);
var globalStrSearchURL;
var globalStrImdbNum;
var STATE_LOADING = 0;
var STATE_SUCCESS = 1;
var STATE_FAILED = 2;
// This function will call for MovieLens to give the HTML source of the search page
function loadMovieLensScript() {
// Regex to get this film's imdb number
var regexImdbNum = /\/title\/(tt\d{7})\//;
var arrImdbNum = regexImdbNum.exec(document.location);
// Check that we got valid results from regex
if (arrImdbNum && arrImdbNum.length == 2) {
// Get imdb film number and store at global
globalStrImdbNum = arrImdbNum[1];
// Finally, attempt to get the direct link to MovieLens
getMovieLensLink();
} else {
GM_log("Fatal Error: Could not get the film's IMDB number.");
}
}
function getMovieLensLink() {
// This script is meaningless without GreaseMonkey's support for XMLHTTP requests, so check for it
if (GM_xmlhttpRequest) {
// Regex to get the English title and the release year
var regexTitle = /(?!".+")^(.+?) \(\d{4}(?:\/[IV]+)?\)/;
var strTitle = document.getElementsByTagName("title")[0].textContent;
var arrResult = regexTitle.exec(strTitle);
// Check if the film's title was found
if (arrResult && arrResult.length == 2) {
// Create the URL that will be used in the XMLHTTP request later
globalStrSearchURL = "http://www.movielens.org/search?action=newSearch&searchPhrase=" + escape(arrResult[1].replace(/ /g, '+'));
// Create a placeholder for the link
createPlaceholder();
// Request the search page
GM_xmlhttpRequest({method:"GET", url:globalStrSearchURL, overrideMimeType:"text/plain; charset=ISO-8859-1", onload:handleAJAX});
} else {
GM_log("This is probably a TV series. Will not link to MovieLens.");
}
}
}
// This function creates a placeholder with the tiny ml image to be changed later
function createPlaceholder() {
var nodeHeader1 = document.getElementsByTagName("h1")[0];
var nodePlaceholder = document.createElement("a");
nodePlaceholder.setAttribute("id", "GM_MovieLensLinkPlaceholder");
var nodeImgPlaceholder = document.createElement("img");
nodeImgPlaceholder.style.width = 84;
nodeImgPlaceholder.style.height = 17;
nodeImgPlaceholder.setAttribute("alt", "MovieLens");
nodeImgPlaceholder.style.border = 0;
nodeImgPlaceholder.style.marginLeft = "5px";
nodePlaceholder.appendChild(nodeImgPlaceholder);
nodeHeader1.appendChild(nodePlaceholder);
changeMovieLensLink(STATE_LOADING, globalStrSearchURL, '');
}
// This function handles the result of the XMLHTTP request
function handleAJAX(details) {
if (details.status == 200 && details.readyState == 4) {
// If the result is satisfactory, parse the link
parseMovieLensLink(details.responseText);
} else {
GM_log("MovieLens unresponsive. Linking to search page instead.");
changeMovieLensLink(STATE_FAILED, globalStrSearchURL, '');
}
}
// This function attempts to add the direct link to MovieLens, otherwise, a generic search link
function parseMovieLensLink(strResponseHTML) {
// Regex to get the direct link from the HTML source that was recieved from MovieLens
var regexDirectLink = new RegExp("src=\"/images/stars/([\\w\\.]+).gif\" width=\"84\" height=\"17\" .+<a href=\"/movieDetail\\?movieId=(\\d+)\" class=\"movieTitleL\">.+</a>.+<a href=\"http://akas\\.imdb\\.com/title/" + globalStrImdbNum + "\" TARGET=\"_imdb\">", "");
var arrResult = regexDirectLink.exec(strResponseHTML);
if (arrResult && arrResult.length == 3) {
changeMovieLensLink(STATE_SUCCESS, "http://www.movielens.org/movieDetail?movieId=" + arrResult[2], arrResult[1]);
} else {
GM_log("Could not find direct link to film in MovieLens. Linking to search page instead.");
changeMovieLensLink(STATE_FAILED, globalStrSearchURL, '');
}
}
function changeMovieLensLink(nState, strURL, strRate) {
var nodeLink = document.getElementById("GM_MovieLensLinkPlaceholder");
nodeLink.setAttribute("href", strURL);
switch (nState) {
case STATE_LOADING :
nodeLink.firstChild.setAttribute("src", "data:image/gif;base64,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");
break;
case STATE_SUCCESS :
nodeLink.firstChild.setAttribute("src", "http://www.movielens.org/images/stars/" + strRate + ".gif");
break;
case STATE_FAILED :
nodeLink.firstChild.setAttribute("src", "data:image/gif;base64,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");
break;
}
}
