// jscs:disable
// jshint ignore: start

// Spectrum Colorpicker v1.3.3
// https://github.com/bgrins/spectrum
// Author: Brian Grinstead
// License: MIT

(function( window, $, undefined ) {
	var defaultOpts                      = {

			// Callbacks
			beforeShow: noop,
			move: noop,
			change: noop,
			show: noop,
			hide: noop,

			// Options
			color: false,
			flat: false,
			showInput: false,
			allowEmpty: false,
			showButtons: true,
			clickoutFiresChange: false,
			showInitial: false,
			showPalette: false,
			showPaletteOnly: false,
			showSelectionPalette: true,
			localStorageKey: false,
			appendTo: 'body',
			maxSelectionSize: 7,
			cancelText: 'cancel',
			chooseText: 'choose',
			clearText: 'Clear Color Selection',
			preferredFormat: false,
			className: '', // Deprecated - use containerClassName and replacerClassName instead.
			containerClassName: '',
			replacerClassName: '',
			showAlpha: false,
			theme: 'sp-light',
			palette: [['#ffffff', '#000000', '#ff0000', '#ff8000', '#ffff00', '#008000', '#0000ff', '#4b0082', '#9400d3']],
			selectionPalette: [],
			disabled: false,
			inputText: ''
		}, spectrums                     = [], IE = ! ! /msie/i.exec( window.navigator.userAgent ),
		rgbaSupport                      = (function() {
			function contains( str, substr ) {
				return ! ! ~ ('' + str).indexOf( substr );
			}

			var elem      = document.createElement( 'div' );
			var style     = elem.style;
			style.cssText = 'background-color:rgba(0,0,0,.5)';
			return contains( style.backgroundColor, 'rgba' ) || contains( style.backgroundColor, 'hsla' );
		})(), inputTypeColorSupport      = (function() {
			var colorInput = $( '<input type=\'color\' value=\'#ffffff\' />' )[0];
			return colorInput.type === 'color' && colorInput.value !== '#ffffff';
		})(),
		replaceInput                     = ['<div class=\'sp-replacer\'>', '<div class=\'sp-preview\'><div class=\'sp-preview-inner\'></div></div>', '<div class=\'sp-dd\'>&#9660;</div>', //"<div class='sp-dd'>" + opts.inputText + "</div>",
			'</div>'].join( '' ), markup = (function() {

			// IE does not support gradients with multiple stops, so we need to simulate
			//  that for the rainbow slider with 8 divs that each have a single gradient
			var gradientFix = '';
			if ( IE ) {
				for ( var i = 1; i <= 6; i ++ ) {
					gradientFix += '<div class=\'sp-' + i + '\'></div>';
				}
			}

			return ['<div class=\'sp-container sp-hidden\'>', '<div class=\'sp-palette-container\'>', '<div class=\'sp-palette sp-thumb sp-cf\'></div>', '</div>', '<div class=\'sp-picker-container\'>', '<div class=\'sp-top sp-cf\'>', '<div class=\'sp-fill\'></div>', '<div class=\'sp-top-inner\'>', '<div class=\'sp-color\'>', '<div class=\'sp-sat\'>', '<div class=\'sp-val\'>', '<div class=\'sp-dragger\'></div>', '</div>', '</div>', '</div>', '<div class=\'sp-clear sp-clear-display\'>', '</div>', '<div class=\'sp-hue\'>', '<div class=\'sp-slider\'></div>', gradientFix, '</div>', '</div>', '<div class=\'sp-alpha\'><div class=\'sp-alpha-inner\'><div class=\'sp-alpha-handle\'></div></div></div>', '</div>', '<div class=\'sp-input-container sp-cf\'>', '<input class=\'sp-input\' type=\'text\' spellcheck=\'false\'  />', '</div>', '<div class=\'sp-initial sp-thumb sp-cf\'></div>', '<div class=\'sp-button-container sp-cf\'>', '<a class=\'sp-cancel\' href=\'#\'></a>', '<button type=\'button\' class=\'sp-choose\'></button>', '</div>', '</div>', '</div>'].join( '' );
		})();

	function paletteTemplate( p, color, className, tooltipFormat ) {
		var html = [];
		for ( var i = 0; i < p.length; i ++ ) {
			var current = p[i];
			if ( current ) {
				var tiny = tinycolor( current );
				var c    = tiny.toHsl().l < 0.5 ? 'sp-thumb-el sp-thumb-dark' : 'sp-thumb-el sp-thumb-light';
				c += (tinycolor.equals( color, current )) ? ' sp-thumb-active' : '';

				var formattedString = tiny.toString( tooltipFormat || 'rgb' );
				var swatchStyle     = rgbaSupport ? ('background-color:' + tiny.toRgbString()) : 'filter:' + tiny.toFilter();
				html.push( '<span title="' + formattedString + '" data-color="' + tiny.toRgbString() + '" class="' + c + '"><span class="sp-thumb-inner" style="' + swatchStyle + ';" /></span></span>' );
			} else {
				var cls = 'sp-clear-display';
				html.push( '<span title="No Color Selected" data-color="" style="background-color:transparent;" class="' + cls + '"></span>' );
			}
		}
		return '<div class=\'sp-cf ' + className + '\'>' + html.join( '' ) + '</div>';
	}

	function hideAll() {
		for ( var i = 0; i < spectrums.length; i ++ ) {
			if ( spectrums[i] ) {
				spectrums[i].hide();
			}
		}
	}

	function instanceOptions( o, callbackContext ) {
		var opts       = $.extend( {}, defaultOpts, o );
		opts.callbacks = {
			'move': bind( opts.move, callbackContext ),
			'change': bind( opts.change, callbackContext ),
			'show': bind( opts.show, callbackContext ),
			'hide': bind( opts.hide, callbackContext ),
			'beforeShow': bind( opts.beforeShow, callbackContext )
		};

		return opts;
	}

	function spectrum( element, o ) {

		var opts                                                                               = instanceOptions( o, element ), flat                                         = opts.flat,
			showSelectionPalette                                                               = opts.showSelectionPalette, localStorageKey = opts.localStorageKey,
			theme                                                                              = opts.theme, callbacks                                                      = opts.callbacks, resize                             = throttle( reflow, 10 ),
			visible                                                                            = false, dragWidth                                                         = 0, dragHeight                                         = 0, dragHelperHeight = 0, slideHeight = 0,
			slideWidth                                                                         = 0, alphaWidth = 0, alphaSlideHelperWidth                              = 0, slideHelperHeight = 0,
			currentHue = 0, currentSaturation = 0, currentValue = 0, currentAlpha = 1, palette = [],
			paletteArray                                                                       = [], paletteLookup = {}, selectionPalette = opts.selectionPalette.slice( 0 ),
			maxSelectionSize                                                                   = opts.maxSelectionSize, draggingClass                            = 'sp-dragging', inputText = opts.inputText,
			shiftMovementDirection                                                             = null;

		var doc                                                                           = element.ownerDocument, body = doc.body, boundElement                    = $( element ),
			disabled                                                                      = false, container = $( markup, doc ).addClass( theme ),
			dragger                                                                       = container.find( '.sp-color' ), dragHelper = container.find( '.sp-dragger' ),
			slider                                                                        = container.find( '.sp-hue' ), slideHelper                             = container.find( '.sp-slider' ),
			alphaSliderInner                                                              = container.find( '.sp-alpha-inner' ), alphaSlider           = container.find( '.sp-alpha' ),
			alphaSlideHelper                                                              = container.find( '.sp-alpha-handle' ), textInput            = container.find( '.sp-input' ),
			paletteContainer                                                              = container.find( '.sp-palette' ),
			initialColorContainer                                                         = container.find( '.sp-initial' ), cancelButton = container.find( '.sp-cancel' ),
			clearButton                                                                   = container.find( '.sp-clear' ), chooseButton = container.find( '.sp-choose' ),
			isInput                                                                       = boundElement.is( 'input' ),
			isInputTypeColor                                                              = isInput && inputTypeColorSupport && boundElement.attr( 'type' ) === 'color',
			shouldReplace                                                                 = isInput && ! flat,
			replacer                                                                      = (shouldReplace) ? $( replaceInput ).addClass( theme ).addClass( opts.className ).addClass( opts.replacerClassName ) : $( [] ),
			offsetElement                                                                 = (shouldReplace) ? replacer : boundElement,
			previewElement                                                                = replacer.find( '.sp-preview-inner' ),
			initialColor                                                                  = opts.color || (isInput && boundElement.val()), colorOnShow     = false,
			preferredFormat                                                               = opts.preferredFormat, currentPreferredFormat = preferredFormat,
			clickoutFiresChange = ! opts.showButtons || opts.clickoutFiresChange, isEmpty = ! initialColor,
			allowEmpty                                                                    = opts.allowEmpty && ! isInputTypeColor;

		if ( inputText !== '' ) {
			var x = $( offsetElement ).find( 'div.sp-dd' );
			x.text( inputText );
		}

		function applyOptions() {

			if ( opts.showPaletteOnly ) {
				opts.showPalette = true;
			}

			if ( opts.palette ) {
				palette       = opts.palette.slice( 0 );
				paletteArray  = $.isArray( palette[0] ) ? palette : [palette];
				paletteLookup = {};
				for ( var i = 0; i < paletteArray.length; i ++ ) {
					for ( var j = 0; j < paletteArray[i].length; j ++ ) {
						var rgb            = tinycolor( paletteArray[i][j] ).toRgbString();
						paletteLookup[rgb] = true;
					}
				}
			}

			container.toggleClass( 'sp-flat', flat );
			container.toggleClass( 'sp-input-disabled', ! opts.showInput );
			container.toggleClass( 'sp-alpha-enabled', opts.showAlpha );
			container.toggleClass( 'sp-clear-enabled', allowEmpty );
			container.toggleClass( 'sp-buttons-disabled', ! opts.showButtons );
			container.toggleClass( 'sp-palette-disabled', ! opts.showPalette );
			container.toggleClass( 'sp-palette-only', opts.showPaletteOnly );
			container.toggleClass( 'sp-initial-disabled', ! opts.showInitial );
			container.addClass( opts.className ).addClass( opts.containerClassName );

			reflow();
		}

		function initialize() {

			if ( IE ) {
				container.find( '*:not(input)' ).attr( 'unselectable', 'on' );
			}

			applyOptions();

			if ( shouldReplace ) {
				boundElement.after( replacer ).hide();
			}

			if ( ! allowEmpty ) {
				clearButton.hide();
			}

			if ( flat ) {
				boundElement.after( container ).hide();
			} else {

				var appendTo = opts.appendTo === 'parent' ? boundElement.parent() : $( opts.appendTo );
				if ( appendTo.length !== 1 ) {
					appendTo = $( 'body' );
				}

				appendTo.append( container );
			}

			updateSelectionPaletteFromStorage();

			offsetElement.on( 'click.spectrum touchstart.spectrum', function( e ) {
				if ( ! disabled ) {
					toggle();
				}

				e.stopPropagation();

				if ( ! $( e.target ).is( 'input' ) ) {
					e.preventDefault();
				}
			} );

			if ( boundElement.is( ':disabled' ) || (opts.disabled === true) ) {
				disable();
			}

			// Prevent clicks from bubbling up to document.  This would cause it to be hidden.
			container.on( 'click', stopPropagation );

			// Handle user typed input
			textInput.on( 'change', setFromTextInput );
			textInput.on( 'paste', function() {
				setTimeout( setFromTextInput, 1 );
			} );
			textInput.on( 'keydown', function( e ) {
				if ( e.keyCode == 13 ) {
					setFromTextInput();
				}
			} );

			cancelButton.text( opts.cancelText );
			cancelButton.on( 'click.spectrum', function( e ) {
				e.stopPropagation();
				e.preventDefault();
				hide( 'cancel' );
			} );

			clearButton.attr( 'title', opts.clearText );
			clearButton.on( 'click.spectrum', function( e ) {
				e.stopPropagation();
				e.preventDefault();
				isEmpty = true;
				move();

				if ( flat ) {
					//for the flat style, this is a change event
					updateOriginalInput( true );
				}
			} );

			chooseButton.text( opts.chooseText );
			chooseButton.on( 'click.spectrum', function( e ) {
				e.stopPropagation();
				e.preventDefault();

				if ( isValid() ) {
					updateOriginalInput( true );
					hide();
				}
			} );

			draggable( alphaSlider, function( dragX, dragY, e ) {
				currentAlpha = (dragX / alphaWidth);
				isEmpty      = false;
				if ( e.shiftKey ) {
					currentAlpha = Math.round( currentAlpha * 10 ) / 10;
				}

				move();
			}, dragStart, dragStop );

			draggable( slider, function( dragX, dragY ) {
				currentHue = parseFloat( dragY / slideHeight );
				isEmpty    = false;
				if ( ! opts.showAlpha ) {
					currentAlpha = 1;
				}
				move();
			}, dragStart, dragStop );

			draggable( dragger, function( dragX, dragY, e ) {

				// shift+drag should snap the movement to either the x or y axis.
				if ( ! e.shiftKey ) {
					shiftMovementDirection = null;
				} else if ( ! shiftMovementDirection ) {
					var oldDragX     = currentSaturation * dragWidth;
					var oldDragY     = dragHeight - (currentValue * dragHeight);
					var furtherFromX = Math.abs( dragX - oldDragX ) > Math.abs( dragY - oldDragY );

					shiftMovementDirection = furtherFromX ? 'x' : 'y';
				}

				var setSaturation = ! shiftMovementDirection || shiftMovementDirection === 'x';
				var setValue      = ! shiftMovementDirection || shiftMovementDirection === 'y';

				if ( setSaturation ) {
					currentSaturation = parseFloat( dragX / dragWidth );
				}
				if ( setValue ) {
					currentValue = parseFloat( (dragHeight - dragY) / dragHeight );
				}

				isEmpty = false;
				if ( ! opts.showAlpha ) {
					currentAlpha = 1;
				}

				move();

			}, dragStart, dragStop );

			if ( ! ! initialColor ) {
				set( initialColor );

				// In case color was black - update the preview UI and set the format
				// since the set function will not run (default color is black).
				updateUI();
				currentPreferredFormat = preferredFormat || tinycolor( initialColor ).format;

				addColorToSelectionPalette( initialColor );
			} else {
				updateUI();
			}

			if ( flat ) {
				show();
			}

			function palletElementClick( e ) {
				if ( e.data && e.data.ignore ) {
					set( $( this ).data( 'color' ) );
					move();
				} else {
					set( $( this ).data( 'color' ) );
					move();
					updateOriginalInput( true );
					hide();
				}

				return false;
			}

			var paletteEvent = IE ? 'mousedown.spectrum' : 'click.spectrum touchstart.spectrum';
			paletteContainer.on( paletteEvent, '.sp-thumb-el', palletElementClick );
			initialColorContainer.on( paletteEvent, '.sp-thumb-el:nth-child(1)', {ignore: true}, palletElementClick );
		}

		function updateSelectionPaletteFromStorage() {

			if ( localStorageKey && window.localStorage ) {

				// Migrate old palettes over to new format.  May want to remove this eventually.
				try {
					var oldPalette = window.localStorage[localStorageKey].split( ',#' );
					if ( oldPalette.length > 1 ) {
						delete window.localStorage[localStorageKey];
						$.each( oldPalette, function( i, c ) {
							addColorToSelectionPalette( c );
						} );
					}
				} catch ( e ) {
				}

				try {
					selectionPalette = window.localStorage[localStorageKey].split( ';' );
				} catch ( e ) {
				}
			}
		}

		function addColorToSelectionPalette( color ) {
			if ( showSelectionPalette ) {
				var rgb = tinycolor( color ).toRgbString();
				if ( ! paletteLookup[rgb] && $.inArray( rgb, selectionPalette ) === - 1 ) {
					selectionPalette.push( rgb );
					while ( selectionPalette.length > maxSelectionSize ) {
						selectionPalette.shift();
					}
				}

				if ( localStorageKey && window.localStorage ) {
					try {
						window.localStorage[localStorageKey] = selectionPalette.join( ';' );
					} catch ( e ) {
					}
				}
			}
		}

		function getUniqueSelectionPalette() {
			var unique = [];
			if ( opts.showPalette ) {
				for ( i = 0; i < selectionPalette.length; i ++ ) {
					var rgb = tinycolor( selectionPalette[i] ).toRgbString();

					if ( ! paletteLookup[rgb] ) {
						unique.push( selectionPalette[i] );
					}
				}
			}

			return unique.reverse().slice( 0, opts.maxSelectionSize );
		}

		function drawPalette() {

			var currentColor = get();

			var html = $.map( paletteArray, function( palette, i ) {
				return paletteTemplate( palette, currentColor, 'sp-palette-row sp-palette-row-' + i, opts.preferredFormat );
			} );

			updateSelectionPaletteFromStorage();

			if ( selectionPalette ) {
				html.push( paletteTemplate( getUniqueSelectionPalette(), currentColor, 'sp-palette-row sp-palette-row-selection', opts.preferredFormat ) );
			}

			paletteContainer.html( html.join( '' ) );
		}

		function drawInitial() {
			if ( opts.showInitial ) {
				var initial = colorOnShow;
				var current = get();
				initialColorContainer.html( paletteTemplate( [initial, current], current, 'sp-palette-row-initial', opts.preferredFormat ) );
			}
		}

		function dragStart() {
			if ( dragHeight <= 0 || dragWidth <= 0 || slideHeight <= 0 ) {
				reflow();
			}
			container.addClass( draggingClass );
			shiftMovementDirection = null;
			boundElement.trigger( 'dragstart.spectrum', [get()] );
		}

		function dragStop() {
			container.removeClass( draggingClass );
			boundElement.trigger( 'dragstop.spectrum', [get()] );
		}

		function setFromTextInput() {

			var value = textInput.val();

			if ( (value === null || value === '') && allowEmpty ) {
				set( null );
				updateOriginalInput( true );
			} else {
				var tiny = tinycolor( value );
				if ( tiny.ok ) {
					set( tiny );
					updateOriginalInput( true );
				} else {
					textInput.addClass( 'sp-validation-error' );
				}
			}
		}

		function toggle() {
			if ( visible ) {
				hide();
			} else {
				show();
			}
		}

		function show() {
			var event = $.Event( 'beforeShow.spectrum' );

			if ( visible ) {
				reflow();
				return;
			}

			boundElement.trigger( event, [get()] );

			if ( callbacks.beforeShow( get() ) === false || event.isDefaultPrevented() ) {
				return;
			}

			hideAll();
			visible = true;

			$( doc ).on( 'click.spectrum', hide );
			$( window ).on( 'resize.spectrum', resize );
			replacer.addClass( 'sp-active' );
			container.removeClass( 'sp-hidden' );

			reflow();
			updateUI();

			colorOnShow = get();

			drawInitial();
			callbacks.show( colorOnShow );
			boundElement.trigger( 'show.spectrum', [colorOnShow] );
		}

		function hide( e ) {

			// Return on right click
			if ( e && e.type == 'click' && e.button == 2 ) {
				return;
			}

			// Return if hiding is unnecessary
			if ( ! visible || flat ) {
				return;
			}
			visible = false;

			$( doc ).off( 'click.spectrum', hide );
			$( window ).off( 'resize.spectrum', resize );

			replacer.removeClass( 'sp-active' );
			container.addClass( 'sp-hidden' );

			var colorHasChanged = ! tinycolor.equals( get(), colorOnShow );

			if ( colorHasChanged ) {
				if ( clickoutFiresChange && e !== 'cancel' ) {
					updateOriginalInput( true );
				} else {
					revert();
				}
			}

			callbacks.hide( get() );
			boundElement.trigger( 'hide.spectrum', [get()] );
		}

		function revert() {
			set( colorOnShow, true );
		}

		function set( color, ignoreFormatChange ) {
			if ( tinycolor.equals( color, get() ) ) {
				// Update UI just in case a validation error needs
				// to be cleared.
				updateUI();
				return;
			}

			var newColor, newHsv;
			if ( ! color && allowEmpty ) {
				isEmpty = true;
			} else {
				isEmpty  = false;
				newColor = tinycolor( color );
				newHsv   = newColor.toHsv();

				currentHue        = (newHsv.h % 360) / 360;
				currentSaturation = newHsv.s;
				currentValue      = newHsv.v;
				currentAlpha      = newHsv.a;
			}
			updateUI();

			if ( newColor && newColor.ok && ! ignoreFormatChange ) {
				currentPreferredFormat = preferredFormat || newColor.format;
			}
		}

		function get( opts ) {
			opts = opts || {};

			if ( allowEmpty && isEmpty ) {
				return null;
			}

			return tinycolor.fromRatio( {
				h: currentHue, s: currentSaturation, v: currentValue, a: Math.round( currentAlpha * 100 ) / 100
			}, {format: opts.format || currentPreferredFormat} );
		}

		function isValid() {
			return ! textInput.hasClass( 'sp-validation-error' );
		}

		function move() {
			updateUI();

			callbacks.move( get() );
			boundElement.trigger( 'move.spectrum', [get()] );
		}

		function updateUI() {

			textInput.removeClass( 'sp-validation-error' );

			updateHelperLocations();

			// Update dragger background color (gradients take care of saturation and value).
			var flatColor = tinycolor.fromRatio( {h: currentHue, s: 1, v: 1} );
			dragger.css( 'background-color', flatColor.toHexString() );

			// Get a format that alpha will be included in (hex and names ignore alpha)
			var format = currentPreferredFormat;
			if ( currentAlpha < 1 && ! (currentAlpha === 0 && format === 'name') ) {
				if ( format === 'hex' || format === 'hex3' || format === 'hex6' || format === 'name' ) {
					format = 'rgb';
				}
			}

			var realColor = get( {format: format} ), displayColor = '';

			//reset background info for preview element
			previewElement.removeClass( 'sp-clear-display' );
			previewElement.css( 'background-color', 'transparent' );

			if ( ! realColor && allowEmpty ) {
				// Update the replaced elements background with icon indicating no color selection
				previewElement.addClass( 'sp-clear-display' );
			} else {
				var realHex = realColor.toHexString(), realRgb = realColor.toRgbString();

				// Update the replaced elements background color (with actual selected color)
				if ( rgbaSupport || realColor.alpha === 1 ) {
					previewElement.css( 'background-color', realRgb );
				} else {
					previewElement.css( 'background-color', 'transparent' );
					previewElement.css( 'filter', realColor.toFilter() );
				}

				if ( opts.showAlpha ) {
					var rgb       = realColor.toRgb();
					rgb.a         = 0;
					var realAlpha = tinycolor( rgb ).toRgbString();
					var gradient  = 'linear-gradient(left, ' + realAlpha + ', ' + realHex + ')';

					if ( IE ) {
						alphaSliderInner.css( 'filter', tinycolor( realAlpha ).toFilter( {gradientType: 1}, realHex ) );
					} else {
						alphaSliderInner.css( 'background', '-webkit-' + gradient );
						alphaSliderInner.css( 'background', '-moz-' + gradient );
						alphaSliderInner.css( 'background', '-ms-' + gradient );
						// Use current syntax gradient on unprefixed property.
						alphaSliderInner.css( 'background', 'linear-gradient(to right, ' + realAlpha + ', ' + realHex + ')' );
					}
				}

				displayColor = realColor.toString( format );
			}

			// Update the text entry input as it changes happen
			if ( opts.showInput ) {
				textInput.val( displayColor );
			}

			if ( opts.showPalette ) {
				drawPalette();
			}

			drawInitial();
		}

		function updateHelperLocations() {
			var s = currentSaturation;
			var v = currentValue;

			if ( allowEmpty && isEmpty ) {
				//if selected color is empty, hide the helpers
				alphaSlideHelper.hide();
				slideHelper.hide();
				dragHelper.hide();
			} else {
				//make sure helpers are visible
				alphaSlideHelper.show();
				slideHelper.show();
				dragHelper.show();

				// Where to show the little circle in that displays your current selected color
				var dragX = s * dragWidth;
				var dragY = dragHeight - (v * dragHeight);
				dragX     = Math.max( - dragHelperHeight, Math.min( dragWidth - dragHelperHeight, dragX - dragHelperHeight ) );
				dragY     = Math.max( - dragHelperHeight, Math.min( dragHeight - dragHelperHeight, dragY - dragHelperHeight ) );
				dragHelper.css( {
					'top': dragY + 'px', 'left': dragX + 'px'
				} );

				var alphaX = currentAlpha * alphaWidth;
				alphaSlideHelper.css( {
					'left': (alphaX - (alphaSlideHelperWidth / 2)) + 'px'
				} );

				// Where to show the bar that displays your current selected hue
				var slideY = (currentHue) * slideHeight;
				slideHelper.css( {
					'top': (slideY - slideHelperHeight) + 'px'
				} );
			}
		}

		function updateOriginalInput( fireCallback ) {
			var color = get(), displayColor = '', hasChanged = ! tinycolor.equals( color, colorOnShow );

			if ( color ) {
				displayColor = color.toString( currentPreferredFormat );
				// Update the selection palette with the current color
				addColorToSelectionPalette( color );
			}

			if ( isInput ) {
				boundElement.val( displayColor );
			}

			colorOnShow = color;

			if ( fireCallback && hasChanged ) {
				callbacks.change( color );
				boundElement.trigger( 'change', [color] );
			}
		}

		function reflow() {
			dragWidth             = dragger.width();
			dragHeight            = dragger.height();
			dragHelperHeight      = dragHelper.height();
			slideWidth            = slider.width();
			slideHeight           = slider.height();
			slideHelperHeight     = slideHelper.height();
			alphaWidth            = alphaSlider.width();
			alphaSlideHelperWidth = alphaSlideHelper.width();

			if ( ! flat ) {
				container.css( 'position', 'absolute' );
				container.offset( getOffset( container, offsetElement ) );
			}

			updateHelperLocations();

			if ( opts.showPalette ) {
				drawPalette();
			}

			boundElement.trigger( 'reflow.spectrum' );
		}

		function destroy() {
			boundElement.show();
			offsetElement.off( 'click.spectrum touchstart.spectrum' );
			container.remove();
			replacer.remove();
			spectrums[spect.id] = null;
		}

		function option( optionName, optionValue ) {
			if ( optionName === undefined ) {
				return $.extend( {}, opts );
			}
			if ( optionValue === undefined ) {
				return opts[optionName];
			}

			opts[optionName] = optionValue;
			applyOptions();
		}

		function enable() {
			disabled = false;
			boundElement.attr( 'disabled', false );
			offsetElement.removeClass( 'sp-disabled' );
		}

		function disable() {
			hide();
			disabled = true;
			boundElement.attr( 'disabled', true );
			offsetElement.addClass( 'sp-disabled' );
		}

		initialize();

		var spect = {
			show: show,
			hide: hide,
			toggle: toggle,
			reflow: reflow,
			option: option,
			enable: enable,
			disable: disable,
			set: function( c ) {
				set( c );
				updateOriginalInput();
			},
			get: get,
			destroy: destroy,
			container: container
		};

		spect.id = spectrums.push( spect ) - 1;

		return spect;
	}

	/**
	 * checkOffset - get the offset below/above and left/right element depending on screen position
	 * Thanks https://github.com/jquery/jquery-ui/blob/master/ui/jquery.ui.datepicker.js
	 */
	function getOffset( picker, input ) {
		var extraY      = 0;
		var dpWidth     = picker.outerWidth();
		var dpHeight    = picker.outerHeight();
		var inputHeight = input.outerHeight();
		var doc         = picker[0].ownerDocument;
		var docElem     = doc.documentElement;
		var viewWidth   = docElem.clientWidth + $( doc ).scrollLeft();
		var viewHeight  = docElem.clientHeight + $( doc ).scrollTop();
		var offset      = input.offset();
		offset.top += inputHeight;

		offset.left -= Math.min( offset.left, (offset.left + dpWidth > viewWidth && viewWidth > dpWidth) ? Math.abs( offset.left + dpWidth - viewWidth ) : 0 );

		offset.top -= Math.min( offset.top, ((offset.top + dpHeight > viewHeight && viewHeight > dpHeight) ? Math.abs( dpHeight + inputHeight - extraY ) : extraY) );

		return offset;
	}

	/**
	 * noop - do nothing
	 */
	function noop() {

	}

	/**
	 * stopPropagation - makes the code only doing this a little easier to read in line
	 */
	function stopPropagation( e ) {
		e.stopPropagation();
	}

	/**
	 * Create a function bound to a given object
	 * Thanks to underscore.js
	 */
	function bind( func, obj ) {
		var slice = Array.prototype.slice;
		var args  = slice.call( arguments, 2 );
		return function() {
			return func.apply( obj, args.concat( slice.call( arguments ) ) );
		};
	}

	/**
	 * Lightweight drag helper.  Handles containment within the element, so that
	 * when dragging, the x is within [0,element.width] and y is within [0,element.height]
	 */
	function draggable( element, onmove, onstart, onstop ) {
		onmove        = onmove || function() {
		};
		onstart       = onstart || function() {
		};
		onstop        = onstop || function() {
		};
		var doc       = element.ownerDocument || document;
		var dragging  = false;
		var offset    = {};
		var maxHeight = 0;
		var maxWidth  = 0;
		var hasTouch  = ('ontouchstart' in window);

		var duringDragEvents                    = {};
		duringDragEvents['selectstart']         = prevent;
		duringDragEvents['dragstart']           = prevent;
		duringDragEvents['touchmove mousemove'] = move;
		duringDragEvents['touchend mouseup']    = stop;

		function prevent( e ) {
			if ( e.stopPropagation ) {
				e.stopPropagation();
			}
			if ( e.preventDefault ) {
				e.preventDefault();
			}
			e.returnValue = false;
		}

		function move( e ) {
			if ( dragging ) {
				// Mouseup happened outside of window
				if ( IE && document.documentMode < 9 && ! e.button ) {
					return stop();
				}

				var touches = e.originalEvent.touches;
				var pageX   = touches ? touches[0].pageX : e.pageX;
				var pageY   = touches ? touches[0].pageY : e.pageY;

				var dragX = Math.max( 0, Math.min( pageX - offset.left, maxWidth ) );
				var dragY = Math.max( 0, Math.min( pageY - offset.top, maxHeight ) );

				if ( hasTouch ) {
					// Stop scrolling in iOS
					prevent( e );
				}

				onmove.apply( element, [dragX, dragY, e] );
			}
		}

		function start( e ) {
			var rightclick = (e.which) ? (e.which == 3) : (e.button == 2);
			var touches    = e.originalEvent.touches;

			if ( ! rightclick && ! dragging ) {
				if ( onstart.apply( element, arguments ) !== false ) {
					dragging  = true;
					maxHeight = $( element ).height();
					maxWidth  = $( element ).width();
					offset    = $( element ).offset();

					$( doc ).on( duringDragEvents );
					$( doc.body ).addClass( 'sp-dragging' );

					if ( ! hasTouch ) {
						move( e );
					}

					prevent( e );
				}
			}
		}

		function stop() {
			if ( dragging ) {
				$( doc ).off( duringDragEvents );
				$( doc.body ).removeClass( 'sp-dragging' );
				onstop.apply( element, arguments );
			}
			dragging = false;
		}

		$( element ).on( 'touchstart mousedown', start );
	}

	function throttle( func, wait, debounce ) {
		var timeout;
		return function() {
			var context   = this, args = arguments;
			var throttler = function() {
				timeout = null;
				func.apply( context, args );
			};
			if ( debounce ) clearTimeout( timeout );
			if ( debounce || ! timeout ) timeout = setTimeout( throttler, wait );
		};
	}

	function log() {/* jshint -W021 */
		if ( window.console ) {
			if ( Function.prototype.bind ) log = Function.prototype.bind.call( console.log, console ); else log = function() {
				Function.prototype.apply.call( console.log, console, arguments );
			};
			log.apply( this, arguments );
		}
	}

	/**
	 * Define a jQuery plugin
	 */
	var dataID    = 'spectrum.id';
	$.fn.spectrum = function( opts, extra ) {

		if ( typeof opts == 'string' ) {

			var returnValue = this;
			var args        = Array.prototype.slice.call( arguments, 1 );

			this.each( function() {
				var spect = spectrums[$( this ).data( dataID )];
				if ( spect ) {
					var method = spect[opts];
					if ( ! method ) {
						throw new Error( 'Spectrum: no such method: \'' + opts + '\'' );
					}

					if ( opts == 'get' ) {
						returnValue = spect.get();
					} else if ( opts == 'container' ) {
						returnValue = spect.container;
					} else if ( opts == 'option' ) {
						returnValue = spect.option.apply( spect, args );
					} else if ( opts == 'destroy' ) {
						spect.destroy();
						$( this ).removeData( dataID );
					} else {
						method.apply( spect, args );
					}
				}
			} );

			return returnValue;
		}

		// Initializing a new instance of spectrum
		return this.spectrum( 'destroy' ).each( function() {
			var options = $.extend( {}, opts, $( this ).data() );
			var spect   = spectrum( this, options );
			$( this ).data( dataID, spect.id );
		} );
	};

	$.fn.spectrum.load      = true;
	$.fn.spectrum.loadOpts  = {};
	$.fn.spectrum.draggable = draggable;
	$.fn.spectrum.defaults  = defaultOpts;

	$.spectrum              = {};
	$.spectrum.localization = {};
	$.spectrum.palettes     = {};

	$.fn.spectrum.processNativeColorInputs = function() {
		if ( ! inputTypeColorSupport ) {
			$( 'input[type=color]' ).spectrum( {
				preferredFormat: 'hex6'
			} );
		}
	};

	// TinyColor v0.9.17
	// https://github.com/bgrins/TinyColor
	// 2013-08-10, Brian Grinstead, MIT License

	(function() {

		var trimLeft = /^[\s,#]+/, trimRight = /\s+$/, tinyCounter = 0, math = Math, mathRound = math.round,
			mathMin                                                                            = math.min, mathMax = math.max, mathRandom                                 = math.random;

		function tinycolor( color, opts ) {

			color = (color) ? color : '';
			opts  = opts || {};

			// If input is already a tinycolor, return itself
			if ( typeof color == 'object' && color.hasOwnProperty( '_tc_id' ) ) {
				return color;
			}

			var rgb                                                = inputToRGB( color );
			var r = rgb.r, g = rgb.g, b = rgb.b, a = rgb.a, roundA = mathRound( 100 * a ) / 100,
				format                                             = opts.format || rgb.format;

			// Don't let the range of [0,255] come back in [0,1].
			// Potentially lose a little bit of precision here, but will fix issues where
			// .5 gets interpreted as half of the total, instead of half of 1
			// If it was supposed to be 128, this was already taken care of by `inputToRgb`
			if ( r < 1 ) {
				r = mathRound( r );
			}
			if ( g < 1 ) {
				g = mathRound( g );
			}
			if ( b < 1 ) {
				b = mathRound( b );
			}

			return {
				ok: rgb.ok, format: format, _tc_id: tinyCounter ++, alpha: a, getAlpha: function() {
					return a;
				}, setAlpha: function( value ) {
					a      = boundAlpha( value );
					roundA = mathRound( 100 * a ) / 100;
				}, toHsv: function() {
					var hsv = rgbToHsv( r, g, b );
					return {h: hsv.h * 360, s: hsv.s, v: hsv.v, a: a};
				}, toHsvString: function() {
					var hsv = rgbToHsv( r, g, b );
					var h   = mathRound( hsv.h * 360 ), s = mathRound( hsv.s * 100 ), v = mathRound( hsv.v * 100 );
					return (a == 1) ? 'hsv(' + h + ', ' + s + '%, ' + v + '%)' : 'hsva(' + h + ', ' + s + '%, ' + v + '%, ' + roundA + ')';
				}, toHsl: function() {
					var hsl = rgbToHsl( r, g, b );
					return {h: hsl.h * 360, s: hsl.s, l: hsl.l, a: a};
				}, toHslString: function() {
					var hsl = rgbToHsl( r, g, b );
					var h   = mathRound( hsl.h * 360 ), s = mathRound( hsl.s * 100 ), l = mathRound( hsl.l * 100 );
					return (a == 1) ? 'hsl(' + h + ', ' + s + '%, ' + l + '%)' : 'hsla(' + h + ', ' + s + '%, ' + l + '%, ' + roundA + ')';
				}, toHex: function( allow3Char ) {
					return rgbToHex( r, g, b, allow3Char );
				}, toHexString: function( allow3Char ) {
					return '#' + this.toHex( allow3Char );
				}, toHex8: function() {
					return rgbaToHex( r, g, b, a );
				}, toHex8String: function() {
					return '#' + this.toHex8();
				}, toRgb: function() {
					return {r: mathRound( r ), g: mathRound( g ), b: mathRound( b ), a: a};
				}, toRgbString: function() {
					return (a == 1) ? 'rgb(' + mathRound( r ) + ', ' + mathRound( g ) + ', ' + mathRound( b ) + ')' : 'rgba(' + mathRound( r ) + ', ' + mathRound( g ) + ', ' + mathRound( b ) + ', ' + roundA + ')';
				}, toPercentageRgb: function() {
					return {
						r: mathRound( bound01( r, 255 ) * 100 ) + '%',
						g: mathRound( bound01( g, 255 ) * 100 ) + '%',
						b: mathRound( bound01( b, 255 ) * 100 ) + '%',
						a: a
					};
				}, toPercentageRgbString: function() {
					return (a == 1) ? 'rgb(' + mathRound( bound01( r, 255 ) * 100 ) + '%, ' + mathRound( bound01( g, 255 ) * 100 ) + '%, ' + mathRound( bound01( b, 255 ) * 100 ) + '%)' : 'rgba(' + mathRound( bound01( r, 255 ) * 100 ) + '%, ' + mathRound( bound01( g, 255 ) * 100 ) + '%, ' + mathRound( bound01( b, 255 ) * 100 ) + '%, ' + roundA + ')';
				}, toName: function() {
					if ( a === 0 ) {
						return 'transparent';
					}

					return hexNames[rgbToHex( r, g, b, true )] || false;
				}, toFilter: function( secondColor ) {
					var hex8String       = '#' + rgbaToHex( r, g, b, a );
					var secondHex8String = hex8String;
					var gradientType     = opts && opts.gradientType ? 'GradientType = 1, ' : '';

					if ( secondColor ) {
						var s            = tinycolor( secondColor );
						secondHex8String = s.toHex8String();
					}

					return 'progid:DXImageTransform.Microsoft.gradient(' + gradientType + 'startColorstr=' + hex8String + ',endColorstr=' + secondHex8String + ')';
				}, toString: function( format ) {
					var formatSet = ! ! format;
					format        = format || this.format;

					var formattedString         = false;
					var hasAlphaAndFormatNotSet = ! formatSet && a < 1 && a > 0;
					var formatWithAlpha         = hasAlphaAndFormatNotSet && (format === 'hex' || format === 'hex6' || format === 'hex3' || format === 'name');

					if ( format === 'rgb' ) {
						formattedString = this.toRgbString();
					}
					if ( format === 'prgb' ) {
						formattedString = this.toPercentageRgbString();
					}
					if ( format === 'hex' || format === 'hex6' ) {
						formattedString = this.toHexString();
					}
					if ( format === 'hex3' ) {
						formattedString = this.toHexString( true );
					}
					if ( format === 'hex8' ) {
						formattedString = this.toHex8String();
					}
					if ( format === 'name' ) {
						formattedString = this.toName();
					}
					if ( format === 'hsl' ) {
						formattedString = this.toHslString();
					}
					if ( format === 'hsv' ) {
						formattedString = this.toHsvString();
					}

					if ( formatWithAlpha ) {
						return this.toRgbString();
					}

					return formattedString || this.toHexString();
				}
			};
		}

		// If input is an object, force 1 into "1.0" to handle ratios properly
		// String input requires "1.0" as input, so 1 will be treated as 1
		tinycolor.fromRatio = function( color, opts ) {
			if ( typeof color == 'object' ) {
				var newColor = {};
				for ( var i in color ) {
					if ( color.hasOwnProperty( i ) ) {
						if ( i === 'a' ) {
							newColor[i] = color[i];
						} else {
							newColor[i] = convertToPercentage( color[i] );
						}
					}
				}
				color = newColor;
			}

			return tinycolor( color, opts );
		};

		// Given a string or object, convert that input to RGB
		// Possible string inputs:
		//
		//     "red"
		//     "#f00" or "f00"
		//     "#ff0000" or "ff0000"
		//     "#ff000000" or "ff000000"
		//     "rgb 255 0 0" or "rgb (255, 0, 0)"
		//     "rgb 1.0 0 0" or "rgb (1, 0, 0)"
		//     "rgba (255, 0, 0, 1)" or "rgba 255, 0, 0, 1"
		//     "rgba (1.0, 0, 0, 1)" or "rgba 1.0, 0, 0, 1"
		//     "hsl(0, 100%, 50%)" or "hsl 0 100% 50%"
		//     "hsla(0, 100%, 50%, 1)" or "hsla 0 100% 50%, 1"
		//     "hsv(0, 100%, 100%)" or "hsv 0 100% 100%"
		//
		function inputToRGB( color ) {

			var rgb    = {r: 0, g: 0, b: 0};
			var a      = 1;
			var ok     = false;
			var format = false;

			if ( typeof color == 'string' ) {
				color = stringInputToObject( color );
			}

			if ( typeof color == 'object' ) {
				if ( color.hasOwnProperty( 'r' ) && color.hasOwnProperty( 'g' ) && color.hasOwnProperty( 'b' ) ) {
					rgb    = rgbToRgb( color.r, color.g, color.b );
					ok     = true;
					format = String( color.r ).substr( - 1 ) === '%' ? 'prgb' : 'rgb';
				} else if ( color.hasOwnProperty( 'h' ) && color.hasOwnProperty( 's' ) && color.hasOwnProperty( 'v' ) ) {
					color.s = convertToPercentage( color.s );
					color.v = convertToPercentage( color.v );
					rgb     = hsvToRgb( color.h, color.s, color.v );
					ok      = true;
					format  = 'hsv';
				} else if ( color.hasOwnProperty( 'h' ) && color.hasOwnProperty( 's' ) && color.hasOwnProperty( 'l' ) ) {
					color.s = convertToPercentage( color.s );
					color.l = convertToPercentage( color.l );
					rgb     = hslToRgb( color.h, color.s, color.l );
					ok      = true;
					format  = 'hsl';
				}

				if ( color.hasOwnProperty( 'a' ) ) {
					a = color.a;
				}
			}

			a = boundAlpha( a );

			return {
				ok: ok,
				format: color.format || format,
				r: mathMin( 255, mathMax( rgb.r, 0 ) ),
				g: mathMin( 255, mathMax( rgb.g, 0 ) ),
				b: mathMin( 255, mathMax( rgb.b, 0 ) ),
				a: a
			};
		}

		// Conversion Functions
		// --------------------

		// `rgbToHsl`, `rgbToHsv`, `hslToRgb`, `hsvToRgb` modified from:
		// <http://mjijackson.com/2008/02/rgb-to-hsl-and-rgb-to-hsv-color-model-conversion-algorithms-in-javascript>

		// `rgbToRgb`
		// Handle bounds / percentage checking to conform to CSS color spec
		// <http://www.w3.org/TR/css3-color/>
		// *Assumes:* r, g, b in [0, 255] or [0, 1]
		// *Returns:* { r, g, b } in [0, 255]
		function rgbToRgb( r, g, b ) {
			return {
				r: bound01( r, 255 ) * 255, g: bound01( g, 255 ) * 255, b: bound01( b, 255 ) * 255
			};
		}

		// `rgbToHsl`
		// Converts an RGB color value to HSL.
		// *Assumes:* r, g, and b are contained in [0, 255] or [0, 1]
		// *Returns:* { h, s, l } in [0,1]
		function rgbToHsl( r, g, b ) {

			r = bound01( r, 255 );
			g = bound01( g, 255 );
			b = bound01( b, 255 );

			var max     = mathMax( r, g, b ), min = mathMin( r, g, b );
			var h, s, l = (max + min) / 2;

			if ( max == min ) {
				h = s = 0; // achromatic
			} else {
				var d = max - min;
				s     = l > 0.5 ? d / (2 - max - min) : d / (max + min);
				switch ( max ) {
					case r:
						h = (g - b) / d + (g < b ? 6 : 0);
						break;
					case g:
						h = (b - r) / d + 2;
						break;
					case b:
						h = (r - g) / d + 4;
						break;
				}

				h /= 6;
			}

			return {h: h, s: s, l: l};
		}

		// `hslToRgb`
		// Converts an HSL color value to RGB.
		// *Assumes:* h is contained in [0, 1] or [0, 360] and s and l are contained [0, 1] or [0, 100]
		// *Returns:* { r, g, b } in the set [0, 255]
		function hslToRgb( h, s, l ) {
			var r, g, b;

			h = bound01( h, 360 );
			s = bound01( s, 100 );
			l = bound01( l, 100 );

			function hue2rgb( p, q, t ) {
				if ( t < 0 ) t += 1;
				if ( t > 1 ) t -= 1;
				if ( t < 1 / 6 ) return p + (q - p) * 6 * t;
				if ( t < 1 / 2 ) return q;
				if ( t < 2 / 3 ) return p + (q - p) * (2 / 3 - t) * 6;
				return p;
			}

			if ( s === 0 ) {
				r = g = b = l; // achromatic
			} else {
				var q = l < 0.5 ? l * (1 + s) : l + s - l * s;
				var p = 2 * l - q;
				r     = hue2rgb( p, q, h + 1 / 3 );
				g     = hue2rgb( p, q, h );
				b     = hue2rgb( p, q, h - 1 / 3 );
			}

			return {r: r * 255, g: g * 255, b: b * 255};
		}

		// `rgbToHsv`
		// Converts an RGB color value to HSV
		// *Assumes:* r, g, and b are contained in the set [0, 255] or [0, 1]
		// *Returns:* { h, s, v } in [0,1]
		function rgbToHsv( r, g, b ) {

			r = bound01( r, 255 );
			g = bound01( g, 255 );
			b = bound01( b, 255 );

			var max     = mathMax( r, g, b ), min = mathMin( r, g, b );
			var h, s, v = max;

			var d = max - min;
			s     = max === 0 ? 0 : d / max;

			if ( max == min ) {
				h = 0; // achromatic
			} else {
				switch ( max ) {
					case r:
						h = (g - b) / d + (g < b ? 6 : 0);
						break;
					case g:
						h = (b - r) / d + 2;
						break;
					case b:
						h = (r - g) / d + 4;
						break;
				}
				h /= 6;
			}
			return {h: h, s: s, v: v};
		}

		// `hsvToRgb`
		// Converts an HSV color value to RGB.
		// *Assumes:* h is contained in [0, 1] or [0, 360] and s and v are contained in [0, 1] or [0, 100]
		// *Returns:* { r, g, b } in the set [0, 255]
		function hsvToRgb( h, s, v ) {

			h = bound01( h, 360 ) * 6;
			s = bound01( s, 100 );
			v = bound01( v, 100 );

			var i                                                                        = math.floor( h ), f = h - i, p = v * (1 - s), q = v * (1 - f * s), t = v * (1 - (1 - f) * s),
				mod = i % 6, r = [v, q, p, p, t, v][mod], g = [t, v, v, q, p, p][mod], b = [p, p, t, v, v, q][mod];

			return {r: r * 255, g: g * 255, b: b * 255};
		}

		// `rgbToHex`
		// Converts an RGB color to hex
		// Assumes r, g, and b are contained in the set [0, 255]
		// Returns a 3 or 6 character hex
		function rgbToHex( r, g, b, allow3Char ) {

			var hex = [pad2( mathRound( r ).toString( 16 ) ), pad2( mathRound( g ).toString( 16 ) ), pad2( mathRound( b ).toString( 16 ) )];

			// Return a 3 character hex if possible
			if ( allow3Char && hex[0].charAt( 0 ) == hex[0].charAt( 1 ) && hex[1].charAt( 0 ) == hex[1].charAt( 1 ) && hex[2].charAt( 0 ) == hex[2].charAt( 1 ) ) {
				return hex[0].charAt( 0 ) + hex[1].charAt( 0 ) + hex[2].charAt( 0 );
			}

			return hex.join( '' );
		}

		// `rgbaToHex`
		// Converts an RGBA color plus alpha transparency to hex
		// Assumes r, g, b and a are contained in the set [0, 255]
		// Returns an 8 character hex
		function rgbaToHex( r, g, b, a ) {

			var hex = [pad2( convertDecimalToHex( a ) ), pad2( mathRound( r ).toString( 16 ) ), pad2( mathRound( g ).toString( 16 ) ), pad2( mathRound( b ).toString( 16 ) )];

			return hex.join( '' );
		}

		// `equals`
		// Can be called with any tinycolor input
		tinycolor.equals = function( color1, color2 ) {
			if ( ! color1 || ! color2 ) {
				return false;
			}
			return tinycolor( color1 ).toRgbString() == tinycolor( color2 ).toRgbString();
		};
		tinycolor.random = function() {
			return tinycolor.fromRatio( {
				r: mathRandom(), g: mathRandom(), b: mathRandom()
			} );
		};

		// Modification Functions
		// ----------------------
		// Thanks to less.js for some of the basics here
		// <https://github.com/cloudhead/less.js/blob/master/lib/less/functions.js>

		tinycolor.desaturate = function( color, amount ) {
			amount  = (amount === 0) ? 0 : (amount || 10);
			var hsl = tinycolor( color ).toHsl();
			hsl.s -= amount / 100;
			hsl.s   = clamp01( hsl.s );
			return tinycolor( hsl );
		};
		tinycolor.saturate   = function( color, amount ) {
			amount  = (amount === 0) ? 0 : (amount || 10);
			var hsl = tinycolor( color ).toHsl();
			hsl.s += amount / 100;
			hsl.s   = clamp01( hsl.s );
			return tinycolor( hsl );
		};
		tinycolor.greyscale  = function( color ) {
			return tinycolor.desaturate( color, 100 );
		};
		tinycolor.lighten    = function( color, amount ) {
			amount  = (amount === 0) ? 0 : (amount || 10);
			var hsl = tinycolor( color ).toHsl();
			hsl.l += amount / 100;
			hsl.l   = clamp01( hsl.l );
			return tinycolor( hsl );
		};
		tinycolor.darken     = function( color, amount ) {
			amount  = (amount === 0) ? 0 : (amount || 10);
			var hsl = tinycolor( color ).toHsl();
			hsl.l -= amount / 100;
			hsl.l   = clamp01( hsl.l );
			return tinycolor( hsl );
		};
		tinycolor.complement = function( color ) {
			var hsl = tinycolor( color ).toHsl();
			hsl.h   = (hsl.h + 180) % 360;
			return tinycolor( hsl );
		};

		// Combination Functions
		// ---------------------
		// Thanks to jQuery xColor for some of the ideas behind these
		// <https://github.com/infusion/jQuery-xcolor/blob/master/jquery.xcolor.js>

		tinycolor.triad           = function( color ) {
			var hsl = tinycolor( color ).toHsl();
			var h   = hsl.h;
			return [tinycolor( color ), tinycolor( {
				h: (h + 120) % 360, s: hsl.s, l: hsl.l
			} ), tinycolor( {h: (h + 240) % 360, s: hsl.s, l: hsl.l} )];
		};
		tinycolor.tetrad          = function( color ) {
			var hsl = tinycolor( color ).toHsl();
			var h   = hsl.h;
			return [tinycolor( color ), tinycolor( {
				h: (h + 90) % 360, s: hsl.s, l: hsl.l
			} ), tinycolor( {h: (h + 180) % 360, s: hsl.s, l: hsl.l} ), tinycolor( {
				h: (h + 270) % 360, s: hsl.s, l: hsl.l
			} )];
		};
		tinycolor.splitcomplement = function( color ) {
			var hsl = tinycolor( color ).toHsl();
			var h   = hsl.h;
			return [tinycolor( color ), tinycolor( {
				h: (h + 72) % 360, s: hsl.s, l: hsl.l
			} ), tinycolor( {h: (h + 216) % 360, s: hsl.s, l: hsl.l} )];
		};
		tinycolor.analogous       = function( color, results, slices ) {
			results = results || 6;
			slices  = slices || 30;

			var hsl  = tinycolor( color ).toHsl();
			var part = 360 / slices;
			var ret  = [tinycolor( color )];

			for ( hsl.h = ((hsl.h - (part * results >> 1)) + 720) % 360; -- results; ) {
				hsl.h = (hsl.h + part) % 360;
				ret.push( tinycolor( hsl ) );
			}
			return ret;
		};
		tinycolor.monochromatic   = function( color, results ) {
			results          = results || 6;
			var hsv          = tinycolor( color ).toHsv();
			var h            = hsv.h, s = hsv.s, v = hsv.v;
			var ret          = [];
			var modification = 1 / results;

			while ( results -- ) {
				ret.push( tinycolor( {h: h, s: s, v: v} ) );
				v = (v + modification) % 1;
			}

			return ret;
		};

		// Readability Functions
		// ---------------------
		// <http://www.w3.org/TR/AERT#color-contrast>

		// `readability`
		// Analyze the 2 colors and returns an object with the following properties:
		//    `brightness`: difference in brightness between the two colors
		//    `color`: difference in color/hue between the two colors
		tinycolor.readability = function( color1, color2 ) {
			var a           = tinycolor( color1 ).toRgb();
			var b           = tinycolor( color2 ).toRgb();
			var brightnessA = (a.r * 299 + a.g * 587 + a.b * 114) / 1000;
			var brightnessB = (b.r * 299 + b.g * 587 + b.b * 114) / 1000;
			var colorDiff   = (Math.max( a.r, b.r ) - Math.min( a.r, b.r ) + Math.max( a.g, b.g ) - Math.min( a.g, b.g ) + Math.max( a.b, b.b ) - Math.min( a.b, b.b ));

			return {
				brightness: Math.abs( brightnessA - brightnessB ), color: colorDiff
			};
		};

		// `readable`
		// http://www.w3.org/TR/AERT#color-contrast
		// Ensure that foreground and background color combinations provide sufficient contrast.
		// *Example*
		//    tinycolor.readable("#000", "#111") => false
		tinycolor.readable = function( color1, color2 ) {
			var readability = tinycolor.readability( color1, color2 );
			return readability.brightness > 125 && readability.color > 500;
		};

		// `mostReadable`
		// Given a base color and a list of possible foreground or background
		// colors for that base, returns the most readable color.
		// *Example*
		//    tinycolor.mostReadable("#123", ["#fff", "#000"]) => "#000"
		tinycolor.mostReadable = function( baseColor, colorList ) {
			var bestColor      = null;
			var bestScore      = 0;
			var bestIsReadable = false;
			for ( var i = 0; i < colorList.length; i ++ ) {

				// We normalize both around the "acceptable" breaking point,
				// but rank brightness constrast higher than hue.

				var readability = tinycolor.readability( baseColor, colorList[i] );
				var readable    = readability.brightness > 125 && readability.color > 500;
				var score       = 3 * (readability.brightness / 125) + (readability.color / 500);

				if ( (readable && ! bestIsReadable) || (readable && bestIsReadable && score > bestScore) || ((! readable) && (! bestIsReadable) && score > bestScore) ) {
					bestIsReadable = readable;
					bestScore      = score;
					bestColor      = tinycolor( colorList[i] );
				}
			}
			return bestColor;
		};

		// Big List of Colors
		// ------------------
		// <http://www.w3.org/TR/css3-color/#svg-color>
		var names = tinycolor.names = {
			aliceblue: 'f0f8ff',
			antiquewhite: 'faebd7',
			aqua: '0ff',
			aquamarine: '7fffd4',
			azure: 'f0ffff',
			beige: 'f5f5dc',
			bisque: 'ffe4c4',
			black: '000',
			blanchedalmond: 'ffebcd',
			blue: '00f',
			blueviolet: '8a2be2',
			brown: 'a52a2a',
			burlywood: 'deb887',
			burntsienna: 'ea7e5d',
			cadetblue: '5f9ea0',
			chartreuse: '7fff00',
			chocolate: 'd2691e',
			coral: 'ff7f50',
			cornflowerblue: '6495ed',
			cornsilk: 'fff8dc',
			crimson: 'dc143c',
			cyan: '0ff',
			darkblue: '00008b',
			darkcyan: '008b8b',
			darkgoldenrod: 'b8860b',
			darkgray: 'a9a9a9',
			darkgreen: '006400',
			darkgrey: 'a9a9a9',
			darkkhaki: 'bdb76b',
			darkmagenta: '8b008b',
			darkolivegreen: '556b2f',
			darkorange: 'ff8c00',
			darkorchid: '9932cc',
			darkred: '8b0000',
			darksalmon: 'e9967a',
			darkseagreen: '8fbc8f',
			darkslateblue: '483d8b',
			darkslategray: '2f4f4f',
			darkslategrey: '2f4f4f',
			darkturquoise: '00ced1',
			darkviolet: '9400d3',
			deeppink: 'ff1493',
			deepskyblue: '00bfff',
			dimgray: '696969',
			dimgrey: '696969',
			dodgerblue: '1e90ff',
			firebrick: 'b22222',
			floralwhite: 'fffaf0',
			forestgreen: '228b22',
			fuchsia: 'f0f',
			gainsboro: 'dcdcdc',
			ghostwhite: 'f8f8ff',
			gold: 'ffd700',
			goldenrod: 'daa520',
			gray: '808080',
			green: '008000',
			greenyellow: 'adff2f',
			grey: '808080',
			honeydew: 'f0fff0',
			hotpink: 'ff69b4',
			indianred: 'cd5c5c',
			indigo: '4b0082',
			ivory: 'fffff0',
			khaki: 'f0e68c',
			lavender: 'e6e6fa',
			lavenderblush: 'fff0f5',
			lawngreen: '7cfc00',
			lemonchiffon: 'fffacd',
			lightblue: 'add8e6',
			lightcoral: 'f08080',
			lightcyan: 'e0ffff',
			lightgoldenrodyellow: 'fafad2',
			lightgray: 'd3d3d3',
			lightgreen: '90ee90',
			lightgrey: 'd3d3d3',
			lightpink: 'ffb6c1',
			lightsalmon: 'ffa07a',
			lightseagreen: '20b2aa',
			lightskyblue: '87cefa',
			lightslategray: '789',
			lightslategrey: '789',
			lightsteelblue: 'b0c4de',
			lightyellow: 'ffffe0',
			lime: '0f0',
			limegreen: '32cd32',
			linen: 'faf0e6',
			magenta: 'f0f',
			maroon: '800000',
			mediumaquamarine: '66cdaa',
			mediumblue: '0000cd',
			mediumorchid: 'ba55d3',
			mediumpurple: '9370db',
			mediumseagreen: '3cb371',
			mediumslateblue: '7b68ee',
			mediumspringgreen: '00fa9a',
			mediumturquoise: '48d1cc',
			mediumvioletred: 'c71585',
			midnightblue: '191970',
			mintcream: 'f5fffa',
			mistyrose: 'ffe4e1',
			moccasin: 'ffe4b5',
			navajowhite: 'ffdead',
			navy: '000080',
			oldlace: 'fdf5e6',
			olive: '808000',
			olivedrab: '6b8e23',
			orange: 'ffa500',
			orangered: 'ff4500',
			orchid: 'da70d6',
			palegoldenrod: 'eee8aa',
			palegreen: '98fb98',
			paleturquoise: 'afeeee',
			palevioletred: 'db7093',
			papayawhip: 'ffefd5',
			peachpuff: 'ffdab9',
			peru: 'cd853f',
			pink: 'ffc0cb',
			plum: 'dda0dd',
			powderblue: 'b0e0e6',
			purple: '800080',
			red: 'f00',
			rosybrown: 'bc8f8f',
			royalblue: '4169e1',
			saddlebrown: '8b4513',
			salmon: 'fa8072',
			sandybrown: 'f4a460',
			seagreen: '2e8b57',
			seashell: 'fff5ee',
			sienna: 'a0522d',
			silver: 'c0c0c0',
			skyblue: '87ceeb',
			slateblue: '6a5acd',
			slategray: '708090',
			slategrey: '708090',
			snow: 'fffafa',
			springgreen: '00ff7f',
			steelblue: '4682b4',
			tan: 'd2b48c',
			teal: '008080',
			thistle: 'd8bfd8',
			tomato: 'ff6347',
			turquoise: '40e0d0',
			violet: 'ee82ee',
			wheat: 'f5deb3',
			white: 'fff',
			whitesmoke: 'f5f5f5',
			yellow: 'ff0',
			yellowgreen: '9acd32'
		};

		// Make it easy to access colors via `hexNames[hex]`
		var hexNames = tinycolor.hexNames = flip( names );

		// Utilities
		// ---------

		// `{ 'name1': 'val1' }` becomes `{ 'val1': 'name1' }`
		function flip( o ) {
			var flipped = {};
			for ( var i in o ) {
				if ( o.hasOwnProperty( i ) ) {
					flipped[o[i]] = i;
				}
			}
			return flipped;
		}

		// Return a valid alpha value [0,1] with all invalid values being set to 1
		function boundAlpha( a ) {
			a = parseFloat( a );

			if ( isNaN( a ) || a < 0 || a > 1 ) {
				a = 1;
			}

			return a;
		}

		// Take input from [0, n] and return it as [0, 1]
		function bound01( n, max ) {
			if ( isOnePointZero( n ) ) {
				n = '100%';
			}

			var processPercent = isPercentage( n );
			n                  = mathMin( max, mathMax( 0, parseFloat( n ) ) );

			// Automatically convert percentage into number
			if ( processPercent ) {
				n = parseInt( n * max, 10 ) / 100;
			}

			// Handle floating point rounding errors
			if ( (math.abs( n - max ) < 0.000001) ) {
				return 1;
			}

			// Convert into [0, 1] range if it isn't already
			return (n % max) / parseFloat( max );
		}

		// Force a number between 0 and 1
		function clamp01( val ) {
			return mathMin( 1, mathMax( 0, val ) );
		}

		// Parse a base-16 hex value into a base-10 integer
		function parseIntFromHex( val ) {
			return parseInt( val, 16 );
		}

		// Need to handle 1.0 as 100%, since once it is a number, there is no difference between it and 1
		// <http://stackoverflow.com/questions/7422072/javascript-how-to-detect-number-as-a-decimal-including-1-0>
		function isOnePointZero( n ) {
			return typeof n == 'string' && n.indexOf( '.' ) != - 1 && parseFloat( n ) === 1;
		}

		// Check to see if string passed in is a percentage
		function isPercentage( n ) {
			return typeof n === 'string' && n.indexOf( '%' ) != - 1;
		}

		// Force a hex value to have 2 characters
		function pad2( c ) {
			return c.length == 1 ? '0' + c : '' + c;
		}

		// Replace a decimal with it's percentage value
		function convertToPercentage( n ) {
			if ( n <= 1 ) {
				n = (n * 100) + '%';
			}

			return n;
		}

		// Converts a decimal to a hex value
		function convertDecimalToHex( d ) {
			return Math.round( parseFloat( d ) * 255 ).toString( 16 );
		}

		// Converts a hex value to a decimal
		function convertHexToDecimal( h ) {
			return (parseIntFromHex( h ) / 255);
		}

		var matchers = (function() {

			// <http://www.w3.org/TR/css3-values/#integers>
			var CSS_INTEGER = '[-\\+]?\\d+%?';

			// <http://www.w3.org/TR/css3-values/#number-value>
			var CSS_NUMBER = '[-\\+]?\\d*\\.\\d+%?';

			// Allow positive/negative integer/number.  Don't capture the either/or, just the entire outcome.
			var CSS_UNIT = '(?:' + CSS_NUMBER + ')|(?:' + CSS_INTEGER + ')';

			// Actual matching.
			// Parentheses and commas are optional, but not required.
			// Whitespace can take the place of commas or opening paren
			var PERMISSIVE_MATCH3 = '[\\s|\\(]+(' + CSS_UNIT + ')[,|\\s]+(' + CSS_UNIT + ')[,|\\s]+(' + CSS_UNIT + ')\\s*\\)?';
			var PERMISSIVE_MATCH4 = '[\\s|\\(]+(' + CSS_UNIT + ')[,|\\s]+(' + CSS_UNIT + ')[,|\\s]+(' + CSS_UNIT + ')[,|\\s]+(' + CSS_UNIT + ')\\s*\\)?';

			return {
				rgb: new RegExp( 'rgb' + PERMISSIVE_MATCH3 ),
				rgba: new RegExp( 'rgba' + PERMISSIVE_MATCH4 ),
				hsl: new RegExp( 'hsl' + PERMISSIVE_MATCH3 ),
				hsla: new RegExp( 'hsla' + PERMISSIVE_MATCH4 ),
				hsv: new RegExp( 'hsv' + PERMISSIVE_MATCH3 ),
				hex3: /^([0-9a-fA-F]{1})([0-9a-fA-F]{1})([0-9a-fA-F]{1})$/,
				hex6: /^([0-9a-fA-F]{2})([0-9a-fA-F]{2})([0-9a-fA-F]{2})$/,
				hex8: /^([0-9a-fA-F]{2})([0-9a-fA-F]{2})([0-9a-fA-F]{2})([0-9a-fA-F]{2})$/
			};
		})();

		// `stringInputToObject`
		// Permissive string parsing.  Take in a number of formats, and output an object
		// based on detected format.  Returns `{ r, g, b }` or `{ h, s, l }` or `{ h, s, v}`
		function stringInputToObject( color ) {

			color     = color.replace( trimLeft, '' ).replace( trimRight, '' ).toLowerCase();
			var named = false;
			if ( names[color] ) {
				color = names[color];
				named = true;
			} else if ( color == 'transparent' ) {
				return {r: 0, g: 0, b: 0, a: 0, format: 'name'};
			}

			// Try to match string input using regular expressions.
			// Keep most of the number bounding out of this function - don't worry about [0,1] or [0,100] or [0,360]
			// Just return an object and let the conversion functions handle that.
			// This way the result will be the same whether the tinycolor is initialized with string or object.
			var match;
			if ( (match = matchers.rgb.exec( color )) ) {
				return {r: match[1], g: match[2], b: match[3]};
			}
			if ( (match = matchers.rgba.exec( color )) ) {
				return {r: match[1], g: match[2], b: match[3], a: match[4]};
			}
			if ( (match = matchers.hsl.exec( color )) ) {
				return {h: match[1], s: match[2], l: match[3]};
			}
			if ( (match = matchers.hsla.exec( color )) ) {
				return {h: match[1], s: match[2], l: match[3], a: match[4]};
			}
			if ( (match = matchers.hsv.exec( color )) ) {
				return {h: match[1], s: match[2], v: match[3]};
			}
			if ( (match = matchers.hex8.exec( color )) ) {
				return {
					a: convertHexToDecimal( match[1] ),
					r: parseIntFromHex( match[2] ),
					g: parseIntFromHex( match[3] ),
					b: parseIntFromHex( match[4] ),
					format: named ? 'name' : 'hex8'
				};
			}
			if ( (match = matchers.hex6.exec( color )) ) {
				return {
					r: parseIntFromHex( match[1] ),
					g: parseIntFromHex( match[2] ),
					b: parseIntFromHex( match[3] ),
					format: named ? 'name' : 'hex'
				};
			}
			if ( (match = matchers.hex3.exec( color )) ) {
				return {
					r: parseIntFromHex( match[1] + '' + match[1] ),
					g: parseIntFromHex( match[2] + '' + match[2] ),
					b: parseIntFromHex( match[3] + '' + match[3] ),
					format: named ? 'name' : 'hex'
				};
			}

			return false;
		}

		// Expose tinycolor to window, does not need to run in non-browser context.
		window.tinycolor = tinycolor;

	})();

	$( function() {
		if ( $.fn.spectrum.load ) {
			$.fn.spectrum.processNativeColorInputs();
		}
	} );

})( window, jQuery );
