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GetPercByCircles.js
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GetPercByCircles.js
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var activeCircle;
var setDeg;
var centerX = 0, centerY = 0;
var choose = false;
var big = false;
var GetPercByCircles = {
init: function() {
$(".activeBorder").mousedown(function(e) {
activeCircle = $(e.target);
if(activeCircle.is(".innerCircle")) { return 0; }
centerX = activeCircle.offset().left + activeCircle.width() / 2;
centerY = activeCircle.offset().top + activeCircle.height() / 2;
setDeg = function(deg) {
if(deg < 0) return;
var perc = (100*deg)/360;
// Check wether the sum of percentages would be > 100
var sum = perc;
$(".perc").each(function() {
if(!activeCircle.find(".perc").is($(this))) {
sum += parseInt($(this).text().substring(0,$(this).text().length-1));
}
});
if(sum > 100) {
perc = 100 - sum + perc;
deg = (perc*360)/100;
}
if(deg >= 180) { big = true; }
else { big = false; }
activeCircle.find(".perc").html(Math.round(perc)+"%");
var color, bgcolor;
if(activeCircle.is($(".blue"))) { color = '#A2ECFB'; bgcolor = '#39B4CC'; }
else if(activeCircle.is($(".green"))) { color = '#ECFBA2'; bgcolor = '#B4CC39'; }
else if(activeCircle.is($(".red"))) { color = '#FECCB2'; bgcolor = '#DD7429'; }
if (deg<=180){
activeCircle.css('background-image','linear-gradient(' + (90+deg) + 'deg, transparent 50%, '+color+' 50%),linear-gradient(90deg, '+color+' 50%, transparent 50%)');
}
else{
activeCircle.css('background-image','linear-gradient(' + (deg-90) + 'deg, transparent 50%, '+bgcolor+' 50%),linear-gradient(90deg, '+color+' 50%, transparent 50%)');
}
}
choose = true;
var xDiff = e.pageX - centerX;
var yDiff = centerY - e.pageY;
if(xDiff == 0 && yDiff >= 0) {
var deg = 0;
}
else if (xDiff == 0 && yDiff < 0) {
var deg = 180;
}
else {
var deg = Math.atan(yDiff/xDiff)*360 / (2*Math.PI);
}
if (xDiff >= 0) {
setDeg(90-deg);
} else {
setDeg(270-deg);
}
}).mouseup(function() {
choose = false;
});
$(document).mousemove(function(e) {
if(!choose) { return 0; }
var xDiff = e.pageX - centerX;
var yDiff = centerY - e.pageY;
if(xDiff == 0 && yDiff >= 0) {
var deg = 0;
}
else if (xDiff == 0 && yDiff < 0) {
var deg = 180;
}
else {
var deg = Math.atan(yDiff/xDiff)*360 / (2*Math.PI);
}
if (xDiff >= 0) {
if(big && 90-deg < 20) { setDeg(360); }
else { setDeg(90-deg); }
} else {
if(!big && 270-deg > 340) { setDeg(0); }
else { setDeg(270-deg); }
}
});
}
}