source: extensions/luciano/js/script.js @ 27004

function makeNiceRatingForm(options)
{
        gRatingOptions = options || {};
        var form = $('rateForm');
        if (!form) return;

        gRatingButtons = form.getElements('input');
        gUserRating = "";
        
        gRatingButtons.each(function(el){ if ( el.type=="button" ) { gUserRating = el.value; } });

        gRatingButtons.each(function(el, i){
                
                el.initialRateValue = el.value; // save it as a property
                
                try { el.type = "button"; } catch (e){}// avoid normal submit (use ajax); not working in IE6
                
                //hide the text IE/Opera - breaks safari
                if (navigator.userAgent.indexOf('AppleWebKit/') == -1 ) el.value = ""; 
                
                el.setStyles({
                        'textIndent' : "-50px",
                        'marginLeft' : 0,
                        'marginRight' : 0
                });

                if (i!=gRatingButtons.length-1 && el.nextSibling.nodeType == 3 /*TEXT_NODE*/)
                        el.parentNode.removeChild(el.nextSibling);
                        
                if (i>0 && el.previousSibling.nodeType == 3 /*TEXT_NODE*/)
                        el.parentNode.removeChild(el.previousSibling);
                
                el.addEvents({
                        'mouseenter'    : function(){updateRating(el)},
                        'mouseleave'    : function(){resetRating(el)},
                        'click'                 : function(e){submitRating(e)}
                });

        });
}

function resetRating(el)
{
        for (i = 1; i<gRatingButtons.length; i++){
                gRatingButtons[i].removeClass('rateButtonUserFull2');
                gRatingButtons[i].removeClass('rateButtonUserHalf2');
                gRatingButtons[i].removeClass('rateButtonUserEmpty2');
                gRatingButtons[i].removeClass('rateButtonFull2');
                gRatingButtons[i].removeClass('rateButtonHalf2');
                gRatingButtons[i].removeClass('rateButtonEmpty2');
                if(gRatingButtons[i].value > el.value) break;
        }
}

function updateRating(el)
{
        for (i = 1; i<gRatingButtons.length; i++){
                                                                                                                                                                                                                                var newClass = 'rateButton';
                if(gRatingButtons[i].title <= el.title)                                                                                                                                         newClass = newClass+'User';
                if(gRatingButtons[i].hasClass('rateButtonFull') || gRatingButtons[i].hasClass('rateButtonUserFull'))            newClass = newClass+'Full2';
                else if(gRatingButtons[i].hasClass('rateButtonHalf') || gRatingButtons[i].hasClass('rateButtonUserHalf'))       newClass = newClass+'Half2';
                else                                                                                                                                                                                                            newClass = newClass+'Empty2';
                gRatingButtons[i].addClass(newClass);
        }
}

function setNewRate(score, count, stdev, newRating)
{
        var score = score+"";
        ratingSplitted = score.split('.');
        starFull = ratingSplitted[0];
        starHalf = (ratingSplitted[1] > 49) ? true : false;
        
        for (i = 1; i<gRatingButtons.length; i++){
                gRatingButtons[i].removeClass('rateButtonFull');
                gRatingButtons[i].removeClass('rateButtonHalf');
                gRatingButtons[i].removeClass('rateButtonEmpty');
                gRatingButtons[i].removeClass('rateButtonUserFull');
                gRatingButtons[i].removeClass('rateButtonUserHalf');
                gRatingButtons[i].removeClass('rateButtonUserEmpty');
                gRatingButtons[i].removeClass('rateButtonFull2');
                gRatingButtons[i].removeClass('rateButtonHalf2');
                gRatingButtons[i].removeClass('rateButtonEmpty2');
                gRatingButtons[i].removeClass('rateButtonUserFull2');
                gRatingButtons[i].removeClass('rateButtonUserHalf2');
                gRatingButtons[i].removeClass('rateButtonUserEmpty2');
                
                
                if(gRatingButtons[i].title <= starFull)                                 gRatingButtons[i].addClass((gRatingButtons[i].title <= newRating) ? 'rateButtonUserFull': 'rateButtonFull');
                else if(gRatingButtons[i].title == starFull.toInt()+1)
                        if(gRatingButtons[i].title <= newRating)                        gRatingButtons[i].addClass((starHalf) ? 'rateButtonUserHalf': 'rateButtonUserEmpty');
                        else                                                                                            gRatingButtons[i].addClass((starHalf) ? 'rateButtonHalf': 'rateButtonEmpty');
                else                                                                                                    gRatingButtons[i].addClass((gRatingButtons[i].title <= newRating) ? 'rateButtonUserEmpty': 'rateButtonEmpty');
        }
}

function submitRating(e)
{
        var rateButton = e.target;
        if (rateButton.initialRateValue == gUserRating)
                return false; //nothing to do

        for (var i=0; i<gRatingButtons.length; i++) gRatingButtons[i].disabled=true;
        var y = new PwgWS(gRatingOptions.rootUrl);
        y.callService(
                "pwg.images.rate", {image_id: gRatingOptions.image_id, rate: rateButton.initialRateValue } ,
                {
                        onFailure: function(num, text) {
                                alert(num + " " + text);
                                document.location = rateButton.form.action + "&rate="+rateButton.initialRateValue;
                        },
                        onSuccess: function(result)     {
                                gUserRating = rateButton.initialRateValue;
                                for (var i=0; i<gRatingButtons.length; i++) gRatingButtons[i].disabled=false;
                                setNewRate(result.score, result.count, result.stdev, rateButton.initialRateValue);
                                if (gRatingOptions.ratingSummaryElement)
                                {
                                        var t = gRatingOptions.ratingSummaryText;
                                        var args =[result.score, result.count, result.stdev], idx = 0, rexp = new RegExp( /%\.?\d*[sdf]/ );
                                        _xxx = t.match( rexp );
                                        while (idx<args.length) t=t.replace(rexp, args[idx++]);
                                        gRatingOptions.ratingSummaryElement.innerHTML = t;
                                }
                        }
                }
        );
        return false;
}