1 // Wikilens Javascript functions.
5 var data_path = '/phpwiki-cvs';
6 var pagename = 'HomePage';
7 var script_url= '/wikicvs';
8 var stylepath = data_path+'/themes/MonoBook/';
10 var rating = new Array; var prediction = new Array;
11 var avg = new Array; var numusers = new Array;
12 var msg_rating_votes = "Rating: %.1f (%d votes)";
13 var msg_curr_rating = "Your current rating: ";
14 var msg_curr_prediction = "Your current prediction: ";
15 var msg_chg_rating = "Change your rating from ";
17 var msg_add_rating = "Add your rating: ";
18 var msg_thanks = "Thanks!";
19 var msg_rating_deleted = "Rating deleted!";
21 var rating_imgsrc = '/phpwiki-cvs/themes/MonoBook/images/RateIt';
22 var rateit_action = 'RateIt';
25 function displayRating(imgId, imgPrefix, ratingvalue, pred, init) {
26 var ratings = new Array('Not Rated','Awful','Very Poor','Poor','Below Average',
27 'Average','Above Average','Good','Very Good','Excellent','Outstanding');
28 var cancel = imgId + imgPrefix + 'Cancel';
29 var curr_rating = rating[imgId];
30 var curr_pred = prediction[imgId];
32 if (init) { // re-initialize titles
33 title = msg_curr_rating+curr_rating+' '+ratings[curr_rating*2];
34 var linebreak = '. '; //
 or 
 within IE only;
36 title = title+' '+msg_curr_prediction+ curr_pred+' '+ratings[curr_pred*2];
39 for (var i=1; i<=10; i++) {
40 var imgName = imgId + i;
41 var imgSrc = rateit_imgsrc;
43 if (curr_rating) document[cancel].style.display = 'inline';
44 document[imgName].title = title;
46 if (ratingvalue > 0) {
48 document[imgName].onmouseout = function() { displayRating(imgId,imgPrefix,curr_rating,0,0) };
49 } else if (curr_pred) {
50 document[imgName].onmouseout = function() { displayRating(imgId,imgPrefix,curr_pred,1,0) };
52 if (curr_rating != ratingvalue) {
53 document[imgName].title = msg_chg_rating+curr_rating+' '+ratings[curr_rating*2]+msg_to+j+' '+ratings[i];
56 document[imgName].onmouseout = function() { displayRating(imgId,imgPrefix,0,0,0) };
57 document[imgName].title = msg_add_rating+j+' '+ratings[i];
63 document[imgName].title = title+linebreak+msg_add_rating+ratings[i];
65 } else if (i<=(ratingvalue*2)) {
68 document[imgName].src = imgSrc + imgPrefix + imgType + ((i%2) ? 'k1' : 'k0') + '.png';
71 function sprintfRating(s, num, count) {
72 var num1 = num.toString().replace(/\.(\d).*/, '.$1');
73 return s.replace(/\%.1f/, num1).replace(/\%d/, count);
75 function clickRating(imgPrefix,pagename,version,imgId,dimension,newrating) {
76 var actionImg = imgId+'Action';
77 var top = document.getElementById('rateit-widget-top');
78 var nusers = numusers[imgId];
79 var old_rating = rating[imgId];
80 if (newrating == 'X') {
81 deleteRating(actionImg,pagename,dimension);
82 displayRating(imgId,imgPrefix,0,0,1);
84 var sum1 = avg[imgId] * nusers;
87 new_avg = (sum1 - old_rating) / (nusers-1);
90 if (new_avg.toString() != "NaN") {
91 top.childNodes[0].innerHTML = sprintfRating(msg_rating_votes, new_avg, nusers-1);
98 submitRating(actionImg,pagename,version,dimension,newrating);
99 displayRating(imgId,imgPrefix,newrating,0,1);
102 var sum1 = avg[imgId] * nusers;
103 if (old_rating && (old_rating > 0)) {
104 new_avg = (sum1 + newrating - old_rating) / nusers;
106 new_avg = (sum1 + newrating) / (nusers + 1);
107 avg[imgId] = new_avg;
110 if ((rating != rating[imgId]) && (new_avg.toString() != "NaN")) {
111 top.childNodes[0].innerHTML = sprintfRating(msg_rating_votes, new_avg, numusers[imgId]);
114 top.childNodes[0].innerHTML = sprintfRating(msg_rating_votes, newrating, 1);
115 avg[imgId] = newrating;
118 rating[imgId] = newrating;
121 function submitRating(actionImg,page,version,dimension,newrating) {
122 //TODO: GET => PUT request
123 // currently ratings are changed with side-effect, but GET should be side-effect free.
124 var myRand = Math.round(Math.random()*(1000000));
125 var imgSrc = WikiURL(page) + 'version=' + version + '&action=' + rateit_action + '+&mode=add&rating=' + newrating + '&dimension=' + dimension + '&nocache=1&nopurge=1&rand=' + myRand;
126 //alert('submitRating("'+actionImg+'", "'+page+'", '+version+', '+dimension+', '+newrating+') => '+imgSrc);
127 document[actionImg].title = msg_thanks;
128 document[actionImg].src = imgSrc;
130 function deleteRating(actionImg, page, dimension) {
131 //TODO: GET => DELETE request
132 // currently ratings are changed with side-effect, but GET should be side-effect free.
133 var myRand = Math.round(Math.random()*(1000000));
134 var imgSrc = WikiURL(page) + 'action=' + rateit_action + '&mode=delete&dimension=' + dimension + '&nocache=1&nopurge=1&rand=' + myRand;
135 //alert('deleteRating("'+actionImg+'", "'+page+'", '+version+', '+dimension+')');
136 document[actionImg].title = msg_rating_deleted;
137 document[actionImg].src = imgSrc;