// See http://www.quirksmode.org/js/mouseov.html
var W3CDOM = (document.createElement && document.getElementsByTagName);
// Sometimes this line is overridden by other code (e.g., haterate.gif so we don't store a file starting with "-" in CVS
sclImgPrefix = (-1 == sclValue) ? 'hate' : sclValue;
var imgSrc = '/images/stars/' + sclImgPrefix + 'rate.gif';
for (var i = 0; i < images.length; i++) {
images[i].src=imgSrc;
}
}else{
//we are unrating the movie so user the ratestar scr value to link to the current rating
var predimages = getNodesByTagAndNamePrefix(document.body, 'img', 'predstar' + movieId + '.');
var imgSrc = predimages[0].src;
for (var i = 0; i < images.length; i++) {
images[i].src=imgSrc;
}
}
// Change the ## in "You've rated ## movies".
var numRatsElem = document.getElementById("numRats");
if (numRatsElem != null) {
var numRats = parseInt(numRatsElem.childNodes[0].nodeValue);
numRats += ratDelta;
document.getElementById("numRats").childNodes[0].nodeValue = numRats;
// take care of the new-user's case
if ( document.getElementById("newUserNumRats") != null ){
document.getElementById("newUserNumRats").childNodes[0].nodeValue = numRats;
}
}
var movieUri = "http://movielens.org/movieDetail?movieId="+movieId;
MLPlugin.triggerPluginEvent("movieRate",{"movieUri":movieUri,"value":sclValue});
}
//
// Change the state of the mpaa rating image
//
// @param movieId Movie whose rating to change
// @param obj The "this" of the object to which this is attached via onChange.
// That allows us to grab the form.
//
function changeMpaa(movieId, obj, source, dimension) {
//sclValue = index of dropdown item that the user just selected
var sclValue = obj.options[obj.selectedIndex].value;
// Submit rating
submitAction(movieId, 'mpaa', sclValue, source, dimension);
// Change drop-downs
var selects = getNodesByTagAndNamePrefix(document.body, 'select', 'mpaa' + movieId);
for (var i = 0; i < selects.length; i++) {
selects[i].value = sclValue;
}
// Change images
var images = getNodesByTagAndNamePrefix(document.body, 'img', 'mpaa' + movieId);
// ratDelta is +1 if they've rated something new, -1 if they've unrated
// something, otherwise 0.
var mpaaDelta = 0;
// If the image shows a rating and it's not 0 ("unknown")
// then decrement
//images[0] = filename of image that appears before action occurs
if ( images[0].src.indexOf("0.gif") == -1) {
mpaaDelta = -1;
}
// If it's unknown, do nothing,
// otherwise they just rated something
if ( sclValue != "0" ) {
mpaaDelta++;
}
// Convert -1rate.gif => haterate.gif so we don't store a file starting with "-" in CVS
sclImgPrefix = (-1 == sclValue) ? '0' : sclValue;
var imgSrc = '/images/mpaa/' + sclImgPrefix + '.gif';
for (var i = 0; i < images.length; i++) {
images[i].src=imgSrc;
if(sclImgPrefix != 0) {
images[i].border="1";
document.getElementById("mpaa"+movieId+"span").style.display = "inline";
}else {
images[i].border="0";
document.getElementById("mpaa"+movieId+"span").style.display = "none";
}
}
// Change the ## in "You've added MPAA ratings for ## movies".
var numMpaaElem = document.getElementById("newUserNumMpaa");
if (numMpaaElem != null) {
var numMpaa = parseInt(numMpaaElem.childNodes[0].nodeValue);
numMpaa += mpaaDelta;
document.getElementById("newUserNumMpaa").childNodes[0].nodeValue = numMpaa;
}
}
//changes text on [add/edit mpaa] link in movieRow
//@param movieId
//@param obj The "this" of the object to which this is attached via onChange. (i.e. MPAA drop down select)
function mpaaUpdateShowHideLink(movieId, obj) {
var addtxt = "add MPAA rating";
var edittxt = "change MPAA rating";
var addedit_text= document.getElementById("mpaa_text"+movieId);
if (addedit_text != null) {
var txt = addedit_text.childNodes[0].nodeValue;
var mpaaRating = obj.options[obj.selectedIndex].value;
if (txt == addtxt && mpaaRating > 0) { //link currently says "add" but should say "change"
document.getElementById("mpaa_text"+movieId).childNodes[0].nodeValue = edittxt;
}else if (txt == edittxt && mpaaRating <=0) { //link currently says "change" but should say "add"
document.getElementById("mpaa_text"+movieId).childNodes[0].nodeValue = addtxt;
}
}
}
// Attach a mouse-over function to all anchors ("a" tags) with class "movieLink.*"
function attachMovieLinkMouseOvers() {
var classPrefix = 'movieLink.';
var tables = getNodesByTagAndClassPrefix(document.body, 'a', classPrefix);
for (var i=0; i.", where is this.movieId.
// "Toggle" means add or remove a "-highlighted" to the end of the class,
// whichever is appropriate.
function toggleMovieRowHighlight() {
var movieId = this.movieId;
var tables = getNodesByTagAndNamePrefix(document.body, 'table', 'movieRow' + movieId + '.');
var highlightStr = '-highlighted';
for (var i=0; i 0;
/*
alert("ph: " + document.search.searchPhrase.value
+ " len: " + document.search.searchPhrase.value.length
+ " hasPhrase: " + hasPhrase);
*/
document.search.ExcludeRated.checked = !hasPhrase;
document.search.ExcludeNoPred.checked = !hasPhrase;
}
function synchDomainBoxes() {
if(document.search.domain.value!=""){
// Depending on the domain chosen, sometimes exclude ratings and no-preds.
// Set the hidden search parameters appropriately.
if ((document.search.domain.value == "Ratings")
|| (document.search.domain.value == "Wishlist")
|| (document.search.domain.value == "Hatelist")) {
document.search.ExcludeRated.checked = false;
document.search.ExcludeNoPred.checked = false;
}
else {
document.search.ExcludeRated.checked = true;
document.search.ExcludeNoPred.checked = true;
}
}
else {
document.search.ExcludeRated.checked = true;
document.search.ExcludeNoPred.checked = true;
}
/*
alert("ExRated: " + document.search.ExcludeRated.value +
" ExNoPred: " + document.search.ExcludeNoPred.value +
" domain: " + document.search.domain.value);
*/
}
/**
* Handles flagging of genre, date, and domain searches from the search bar.
*/
function genrePress(){
if(document.search.domain.value!=""){
// DVD and VHS are formats, Foreign is a language
if(document.search.domain.value == "DVD Releases"){
document.search.format.setAttribute("value","DVD");
}
if(document.search.domain.value == "VHS Releases"){
document.search.format.setAttribute("value", "VHS");
}
if(document.search.domain.value == "Foreign"){
document.search.language.setAttribute("value", "Foreign");
}
}
if (document.search.searchPhrase.value != "") {
document.search.sortBy.value = "TitleSimSort";
}
else {
document.search.sortBy.value = "RatePredSort";
}
//alert("d.s.s.v: " + document.search.sortBy.value);
/*
alert("ExRated: " + document.search.ExcludeRated.checked +
" ExNoPred: " + document.search.ExcludeNoPred.checked +
" domain: " + document.search.domain.value);
*/
}
// Used for debugging.
function formelements2string(form) {
var ret = '(';
if (form != null) {
els = form.elements;
if (els != null) {
for (var i=0; isame"
function getOldWidgetValue(widgetId) {
//alert("get element id 'previous" + widgetId +"'");
var prevElement = document.getElementById("previous" + widgetId);
var divVal = prevElement.childNodes[0];
var value = null;
if (null == divVal) {
// Div was empty
value = '';
}
else if ("#text" == divVal.nodeName) {
value = divVal.nodeValue;
}
else {
// There's markup inside the node. This is a special value
//alert('nodename is ' + divVal.nodeName);
if ("I" == divVal.nodeName) {
var child = divVal.childNodes[0];
if ("#text" == child.nodeName) {
if ("blank" == child.nodeValue) {
// blank
value = '';
}
else {
// Assume it was same, and leave value null
}
}
else {
// Completely unexpected. What's in there and where did it come from?
}
}
else {
// Completely unexpected. What's in there and where did it come from?
}
}
return value;
}
/**
* On the movieEdit screen, take the information from the previous movie
* and put it in the edit boxes so one can save it. This is a simple way to
* revert.
*/
function loadPreviousMovieEditInfo() {
var movieEditWidgets =
new Array('title', 'lang', 'directedBy', 'starring', 'comment',
'filmReleaseDate', 'vhsReleaseDate', 'dvdReleaseDate');
for (var i = 0; i < movieEditWidgets.length; i++) {
var widgetId = movieEditWidgets[i];
var oldValue = getOldWidgetValue(widgetId);
var element = document.getElementById(widgetId);
if (null != oldValue)
element.value = oldValue;
}
// Handle genre checkboxes specially
var oldValue = getOldWidgetValue("genres");
if (null != oldValue) {
var form = document.getElementById('movieEditForm');
// Split apart comma-separated genres, then check the right boxes
var genreArray = oldValue.split(", ");
// Check the right boxes
for (var i = 0; i < form.genre.length; i++) {
var genreName = form.genre[i].value;
//alert ('genreName is ' + genreName);
form.genre[i].checked = false;
for (var j = 0; j < genreArray.length; j++) {
if (genreName == genreArray[j]) {
// Match!
form.genre[i].checked = true;
break;
}
}
}
}
}
// Encapsulate the big actor search string.
function actorSearch(name) {
self.location =
"/search?actorPhrase=" + name + "&sortBy=RatePredSort&action=newSearch"
}
// Encapsulate the big director search string.
function directorSearch(name) {
self.location =
"/search?directorPhrase=" + name + "&sortBy=RatePredSort&action=newSearch"
}
/*************************************************************************
* These functions are for buddystudy
*************************************************************************/
/**
* Submit a change in confidence.
* Also, block out the "top 2 choices" checkbox if "I've seen it".
* For buddystudy widget (radio buttons).
* listNum is 1, 2, 3, corresponding to screens 2, 4, 6.
*/
function submitConfidenceChange(movieId, radioButton, ratingSource, listNum) {
submitAction(movieId, 'rate', radioButton.value, 'buddystudy', listNum*2);
var boxes = getNodesByTagAndNamePrefix(document.body, 'input', 'box' + movieId + '.');
//alert('boxes[0] ' + boxes[0] + ' radioButton.value ' + radioButton.value);
var seenIt = 5;
if (seenIt == radioButton.value) {
//alert('uncheck and gray out');
if (boxes[0].checked) {
boxes[0].checked = false;
listId = (1*listNum) + 1000; // Contorted expression to get arithmetic +
changeTack(movieId, listId, boxes[0]);
}
}
boxes[0].disabled = (seenIt == radioButton.value);
//alert('boxes[0].disabled ' + boxes[0].disabled);
}
function checkChoices() {
// Check that everything is rated
var rateDropdown = getNodesByTagAndNamePrefix(document.body, 'select', 'rate');
for (var i = 0; i < rateDropdown.length; i++) {
if (0 == rateDropdown[i].value) {
alert('At least one movie has not been rated. Please rate them all before going on.');
return false;
}
}
// Check all confidences
var confDropdown = getNodesByTagAndNamePrefix(document.body, 'select', 'conf');
for (var i = 0; i < confDropdown.length; i++) {
if (0 == confDropdown[i].value) {
alert('At least one rating confidence has not been selected. Please select them all before going on.');
return false;
}
}
// Check that the right number of boxes is checked
var boxes = getNodesByTagAndNamePrefix(document.body, 'input', 'box');
var numChecked = 0;
var numEnabled = 0;
for (var i = 0; i < boxes.length; i++) {
if (!boxes[i].disabled) numEnabled++;
if (boxes[i].checked) numChecked++;
}
numRequired = 2;
if (numEnabled < numRequired) numRequired = numEnabled;
if (numChecked != numRequired) {
alert("You have chosen " + numChecked + " movies. Please choose " + numRequired
+ " by using the checkboxes along the right side of the screen.");
return false;
}
return true;
}
// returns the array number of the selected radio button or -1 if no button is selected
function getSelectedRadio(buttonGroup) {
// if the button group is an array (one button is not an array)
if (buttonGroup[0]) {
for (var i=0; i 0) {
alert("At least one of questions 1-2 is unanswered. Please answer all questions.");
return false;
}
return true;
}
function checkFinalSurvey(form, buddyarray) {
//alert('hello');
var notSel = 0;
for (var i=1; i<=2; i++) {
notSel += (-1 == getSelectedRadio(eval('form.question' + i)));
}
for (var i=3; i<=5; i++) {
for (var b=0; b < buddyarray.length; b++) {
//var radios = getNodesByTagAndNamePrefix(document.body, 'input', 'question' + i + '-' + buddyarray[b]);
//alert(i + ' radios is ' + radios[0]);
//var buttonGroupName = radios[0].name;
var buttongroupName = 'question' + i + '_' + buddyarray[b];
//alert('buttongroupName is ' + buttongroupName);
var buttonGroup = eval('form.' + buttongroupName);
//alert('buttonGroup is ' + buttonGroup);
notSel += (-1 == getSelectedRadio(buttonGroup));
}
}
if (notSel > 0) {
alert("At least one of questions 1-5 is unanswered. Please answer all questions.");
return false;
}
return true;
}
/*************************************************************************
* End functions for buddystudy
*************************************************************************/
/**
* Return true if the field contains too few characters.
*
* @param field An html element, probably a