File "redux-spectrum.js"
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// 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\'>▼</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 = Array.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.prop( 'disabled', false );
offsetElement.removeClass( 'sp-disabled' );
}
function disable() {
hide();
disabled = true;
boundElement.prop( '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 );