Simple-Touch-Color-Picker/index.html at master · bogdanripa/Simple-Touch-Color-Picker · GitHub

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<!DOCTYPE html>
<html>
	<head>
        <title>Simple Color Picker</title>
		<script src="http://code.jquery.com/jquery-1.11.0.min.js"></script>
		<script src="http://cdnjs.cloudflare.com/ajax/libs/underscore.js/1.6.0/underscore-min.js"></script>
		<script src="http://cdnjs.cloudflare.com/ajax/libs/backbone.js/1.1.2/backbone-min.js"></script>
		<script src="js/colorPicker.js"></script>
		<link rel="stylesheet" type="text/css" href="styles/colorPicker.css">
		<style>
			.myColor {
				position: absolute;
				left: 50px;
				top: 150px;
				width: 50px;
				height: 50px;
				background-color: lightgray;
			}
			.second.myColor {
				left: auto;
				right: 100px;
				top: 250px;
				background-color: darkgreen;
			}
		</style>
		<script>
			$(function() {

			    colorPicker = new ColorPicker();

                $('.myColor').on(MOBILE?'touchstart':'mousedown', clickTouch);

				function clickTouch(e) {
                    e.stopPropagation();

					currentElement = $(this);
					colorPicker.show($(this), updateColor);
				}

				function updateColor(newColor) {
					var newColorStr =  'hsla(' + newColor.get('h') + ',' + newColor.get('s') + '%,' + newColor.get('l') + '%,1)';
					currentElement.css('background-color', newColorStr);
				}
			});

		</script>
	</head>
	<body>
<h1>Simple color picker</h1>
<p>Touch / click any color to load the color picker, then use it to change the current color</p>
	<div class="myColor"></div>
	<div class="second myColor"></div>
	</body>
</html>