throw a color picker on it

dist/picker/ZeroClipboard.js

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+// Simple Set Clipboard System
+// Author: Joseph Huckaby
+
+var ZeroClipboard = {
+
+	version: "1.0.4",
+	clients: {}, // registered upload clients on page, indexed by id
+	moviePath: 'ZeroClipboard.swf', // URL to movie
+	nextId: 1, // ID of next movie
+
+	$: function(thingy) {
+		// simple DOM lookup utility function
+		if (typeof(thingy) == 'string') thingy = document.getElementById(thingy);
+		if (!thingy.addClass) {
+			// extend element with a few useful methods
+			thingy.hide = function() { this.style.display = 'none'; };
+			thingy.show = function() { this.style.display = ''; };
+			thingy.addClass = function(name) { this.removeClass(name); this.className += ' ' + name; };
+			thingy.removeClass = function(name) {
+				this.className = this.className.replace( new RegExp("\\s*" + name + "\\s*"), " ").replace(/^\s+/, '').replace(/\s+$/, '');
+			};
+			thingy.hasClass = function(name) {
+				return !!this.className.match( new RegExp("\\s*" + name + "\\s*") );
+			}
+		}
+		return thingy;
+	},
+
+	setMoviePath: function(path) {
+		// set path to ZeroClipboard.swf
+		this.moviePath = path;
+	},
+
+	dispatch: function(id, eventName, args) {
+		// receive event from flash movie, send to client		
+		var client = this.clients[id];
+		if (client) {
+			client.receiveEvent(eventName, args);
+		}
+	},
+
+	register: function(id, client) {
+		// register new client to receive events
+		this.clients[id] = client;
+	},
+
+	getDOMObjectPosition: function(obj) {
+		// get absolute coordinates for dom element
+		var info = {
+			left: 0, 
+			top: 0, 
+			width: obj.width ? obj.width : obj.offsetWidth, 
+			height: obj.height ? obj.height : obj.offsetHeight
+		};
+
+		while (obj) {
+			info.left += obj.offsetLeft;
+			info.top += obj.offsetTop;
+			obj = obj.offsetParent;
+		}
+
+		return info;
+	},
+
+	Client: function(elem) {
+		// constructor for new simple upload client
+		this.handlers = {};
+
+		// unique ID
+		this.id = ZeroClipboard.nextId++;
+		this.movieId = 'ZeroClipboardMovie_' + this.id;
+
+		// register client with singleton to receive flash events
+		ZeroClipboard.register(this.id, this);
+
+		// create movie
+		if (elem) this.glue(elem);
+	}
+};
+
+ZeroClipboard.Client.prototype = {
+
+	id: 0, // unique ID for us
+	ready: false, // whether movie is ready to receive events or not
+	movie: null, // reference to movie object
+	clipText: '', // text to copy to clipboard
+	handCursorEnabled: true, // whether to show hand cursor, or default pointer cursor
+	cssEffects: true, // enable CSS mouse effects on dom container
+	handlers: null, // user event handlers
+
+	glue: function(elem) {
+		// glue to DOM element
+		// elem can be ID or actual DOM element object
+		this.domElement = ZeroClipboard.$(elem);
+
+		// float just above object, or zIndex 99 if dom element isn't set
+		var zIndex = 99;
+		if (this.domElement.style.zIndex) {
+			zIndex = parseInt(this.domElement.style.zIndex) + 1;
+		}
+
+		// find X/Y position of domElement
+		var box = ZeroClipboard.getDOMObjectPosition(this.domElement);
+
+		// create floating DIV above element
+		this.div = document.createElement('div');
+		var style = this.div.style;
+		style.position = 'absolute';
+		style.left = '' + box.left + 'px';
+		style.top = '' + box.top + 'px';
+		style.width = '' + box.width + 'px';
+		style.height = '' + box.height + 'px';
+		style.zIndex = zIndex;
+
+		// style.backgroundColor = '#f00'; // debug
+
+		var body = document.getElementsByTagName('body')[0];
+		body.appendChild(this.div);
+
+		this.div.innerHTML = this.getHTML( box.width, box.height );
+	},
+
+	getHTML: function(width, height) {
+		// return HTML for movie
+		var html = '';
+		var flashvars = 'id=' + this.id + 
+			'&width=' + width + 
+			'&height=' + height;
+
+		if (navigator.userAgent.match(/MSIE/)) {
+			// IE gets an OBJECT tag
+			var protocol = location.href.match(/^https/i) ? 'https://' : 'http://';
+			html += '<object classid="clsid:d27cdb6e-ae6d-11cf-96b8-444553540000" codebase="'+protocol+'download.macromedia.com/pub/shockwave/cabs/flash/swflash.cab#version=9,0,0,0" width="'+width+'" height="'+height+'" id="'+this.movieId+'" align="middle"><param name="allowScriptAccess" value="always" /><param name="allowFullScreen" value="false" /><param name="movie" value="'+ZeroClipboard.moviePath+'" /><param name="loop" value="false" /><param name="menu" value="false" /><param name="quality" value="best" /><param name="bgcolor" value="#ffffff" /><param name="flashvars" value="'+flashvars+'"/><param name="wmode" value="transparent"/></object>';
+		}
+		else {
+			// all other browsers get an EMBED tag
+			html += '<embed id="'+this.movieId+'" src="'+ZeroClipboard.moviePath+'" loop="false" menu="false" quality="best" bgcolor="#ffffff" width="'+width+'" height="'+height+'" name="'+this.movieId+'" align="middle" allowScriptAccess="always" allowFullScreen="false" type="application/x-shockwave-flash" pluginspage="http://www.macromedia.com/go/getflashplayer" flashvars="'+flashvars+'" wmode="transparent" />';
+		}
+		return html;
+	},
+
+	hide: function() {
+		// temporarily hide floater offscreen
+		if (this.div) {
+			this.div.style.left = '-2000px';
+		}
+	},
+
+	show: function() {
+		// show ourselves after a call to hide()
+		this.reposition();
+	},
+
+	destroy: function() {
+		// destroy control and floater
+		if (this.domElement && this.div) {
+			this.hide();
+			this.div.innerHTML = '';
+
+			var body = document.getElementsByTagName('body')[0];
+			try { body.removeChild( this.div ); } catch(e) {;}
+
+			this.domElement = null;
+			this.div = null;
+		}
+	},
+
+	reposition: function(elem) {
+		// reposition our floating div, optionally to new container
+		// warning: container CANNOT change size, only position
+		if (elem) {
+			this.domElement = ZeroClipboard.$(elem);
+			if (!this.domElement) this.hide();
+		}
+
+		if (this.domElement && this.div) {
+			var box = ZeroClipboard.getDOMObjectPosition(this.domElement);
+			var style = this.div.style;
+			style.left = '' + box.left + 'px';
+			style.top = '' + box.top + 'px';
+		}
+	},
+
+	setText: function(newText) {
+		// set text to be copied to clipboard
+		this.clipText = newText;
+		if (this.ready) this.movie.setText(newText);
+	},
+
+	addEventListener: function(eventName, func) {
+		// add user event listener for event
+		// event types: load, queueStart, fileStart, fileComplete, queueComplete, progress, error, cancel
+		eventName = eventName.toString().toLowerCase().replace(/^on/, '');
+		if (!this.handlers[eventName]) this.handlers[eventName] = [];
+		this.handlers[eventName].push(func);
+	},
+
+	setHandCursor: function(enabled) {
+		// enable hand cursor (true), or default arrow cursor (false)
+		this.handCursorEnabled = enabled;
+		if (this.ready) this.movie.setHandCursor(enabled);
+	},
+
+	setCSSEffects: function(enabled) {
+		// enable or disable CSS effects on DOM container
+		this.cssEffects = !!enabled;
+	},
+
+	receiveEvent: function(eventName, args) {
+		// receive event from flash
+		eventName = eventName.toString().toLowerCase().replace(/^on/, '');
+
+		// special behavior for certain events
+		switch (eventName) {
+			case 'load':
+				// movie claims it is ready, but in IE this isn't always the case...
+				// bug fix: Cannot extend EMBED DOM elements in Firefox, must use traditional function
+				this.movie = document.getElementById(this.movieId);
+				if (!this.movie) {
+					var self = this;
+					setTimeout( function() { self.receiveEvent('load', null); }, 1 );
+					return;
+				}
+
+				// firefox on pc needs a "kick" in order to set these in certain cases
+				if (!this.ready && navigator.userAgent.match(/Firefox/) && navigator.userAgent.match(/Windows/)) {
+					var self = this;
+					setTimeout( function() { self.receiveEvent('load', null); }, 100 );
+					this.ready = true;
+					return;
+				}
+
+				this.ready = true;
+				this.movie.setText( this.clipText );
+				this.movie.setHandCursor( this.handCursorEnabled );
+				break;
+
+			case 'mouseover':
+				if (this.domElement && this.cssEffects) {
+					this.domElement.addClass('hover');
+					if (this.recoverActive) this.domElement.addClass('active');
+				}
+				break;
+
+			case 'mouseout':
+				if (this.domElement && this.cssEffects) {
+					this.recoverActive = false;
+					if (this.domElement.hasClass('active')) {
+						this.domElement.removeClass('active');
+						this.recoverActive = true;
+					}
+					this.domElement.removeClass('hover');
+				}
+				break;
+
+			case 'mousedown':
+				if (this.domElement && this.cssEffects) {
+					this.domElement.addClass('active');
+				}
+				break;
+
+			case 'mouseup':
+				if (this.domElement && this.cssEffects) {
+					this.domElement.removeClass('active');
+					this.recoverActive = false;
+				}
+				break;
+		} // switch eventName
+
+		if (this.handlers[eventName]) {
+			for (var idx = 0, len = this.handlers[eventName].length; idx < len; idx++) {
+				var func = this.handlers[eventName][idx];
+
+				if (typeof(func) == 'function') {
+					// actual function reference
+					func(this, args);
+				}
+				else if ((typeof(func) == 'object') && (func.length == 2)) {
+					// PHP style object + method, i.e. [myObject, 'myMethod']
+					func[0][ func[1] ](this, args);
+				}
+				else if (typeof(func) == 'string') {
+					// name of function
+					window[func](this, args);
+				}
+			} // foreach event handler defined
+		} // user defined handler for event
+	}
+
+};

dist/picker/index.html

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+
+<!DOCTYPE html>
+<html lang="en">
+<head>
+  <meta charset="UTF-8">
+  <meta name="keywords" content="piknik, color, colour, color picker, colour picker">
+  <meta name="description" content="Piknik is a simple yet gorgeous color picker tool, brilliant when you need to see your color in full screen.">
+  <title>Piknik Color Picker</title>
+  <style type="text/css" media="screen">
+  @import url(picker.css);
+  </style>
+  <script src="ZeroClipboard.js" type="text/javascript"></script>
+  <script src="http://ajax.googleapis.com/ajax/libs/jquery/1/jquery.min.js" type="text/javascript"></script>
+  <script src="jquery.mousewheel.min.js" type="text/javascript"></script>
+  <script src="picker.js" type="text/javascript"></script>
+</head>
+<body>
+
+  <div id="color">
+    <!--[if IE]><p>Oh, you're using Internet Explorer? My condolences. This won't work at all, I'm afraid.</p><![endif]-->
+    <p>Click anywhere to lock color — Scroll to change luminosity — Click values to copy</p>
+    <ul>
+      <li id="rgb">rgb(<span id="r"></span>,<span id="g"></span>,<span id="b"></span>)</li>
+      <li id="hex">hex(<span id="hexval"></span>)</li>
+      <li id="hsl">hsl(<span id="h"></span>,<span id="s"></span>,<span id="l"></span>)</li>
+    </ul>
+  </div>
+
+</body>
+</html>