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