summaryrefslogtreecommitdiffstats
path: root/dist/huebee.pkgd.js
diff options
context:
space:
mode:
Diffstat (limited to 'dist/huebee.pkgd.js')
-rw-r--r--dist/huebee.pkgd.js1111
1 files changed, 1111 insertions, 0 deletions
diff --git a/dist/huebee.pkgd.js b/dist/huebee.pkgd.js
new file mode 100644
index 0000000..b0d6b40
--- /dev/null
+++ b/dist/huebee.pkgd.js
@@ -0,0 +1,1111 @@
+/**
+ * Huebee PACKAGED v1.0.0
+ * 1-click color picker
+ *
+ * Licensed GPLv3 for open source use
+ * or Huebee Commercial License for commercial use
+ *
+ * http://huebee.buzz
+ * Copyright 2016 Metafizzy
+ */
+
+/**
+ * EvEmitter v1.0.3
+ * Lil' event emitter
+ * MIT License
+ */
+
+/* jshint unused: true, undef: true, strict: true */
+
+( function( global, factory ) {
+ // universal module definition
+ /* jshint strict: false */ /* globals define, module, window */
+ if ( typeof define == 'function' && define.amd ) {
+ // AMD - RequireJS
+ define( 'ev-emitter/ev-emitter',factory );
+ } else if ( typeof module == 'object' && module.exports ) {
+ // CommonJS - Browserify, Webpack
+ module.exports = factory();
+ } else {
+ // Browser globals
+ global.EvEmitter = factory();
+ }
+
+}( typeof window != 'undefined' ? window : this, function() {
+
+
+
+function EvEmitter() {}
+
+var proto = EvEmitter.prototype;
+
+proto.on = function( eventName, listener ) {
+ if ( !eventName || !listener ) {
+ return;
+ }
+ // set events hash
+ var events = this._events = this._events || {};
+ // set listeners array
+ var listeners = events[ eventName ] = events[ eventName ] || [];
+ // only add once
+ if ( listeners.indexOf( listener ) == -1 ) {
+ listeners.push( listener );
+ }
+
+ return this;
+};
+
+proto.once = function( eventName, listener ) {
+ if ( !eventName || !listener ) {
+ return;
+ }
+ // add event
+ this.on( eventName, listener );
+ // set once flag
+ // set onceEvents hash
+ var onceEvents = this._onceEvents = this._onceEvents || {};
+ // set onceListeners object
+ var onceListeners = onceEvents[ eventName ] = onceEvents[ eventName ] || {};
+ // set flag
+ onceListeners[ listener ] = true;
+
+ return this;
+};
+
+proto.off = function( eventName, listener ) {
+ var listeners = this._events && this._events[ eventName ];
+ if ( !listeners || !listeners.length ) {
+ return;
+ }
+ var index = listeners.indexOf( listener );
+ if ( index != -1 ) {
+ listeners.splice( index, 1 );
+ }
+
+ return this;
+};
+
+proto.emitEvent = function( eventName, args ) {
+ var listeners = this._events && this._events[ eventName ];
+ if ( !listeners || !listeners.length ) {
+ return;
+ }
+ var i = 0;
+ var listener = listeners[i];
+ args = args || [];
+ // once stuff
+ var onceListeners = this._onceEvents && this._onceEvents[ eventName ];
+
+ while ( listener ) {
+ var isOnce = onceListeners && onceListeners[ listener ];
+ if ( isOnce ) {
+ // remove listener
+ // remove before trigger to prevent recursion
+ this.off( eventName, listener );
+ // unset once flag
+ delete onceListeners[ listener ];
+ }
+ // trigger listener
+ listener.apply( this, args );
+ // get next listener
+ i += isOnce ? 0 : 1;
+ listener = listeners[i];
+ }
+
+ return this;
+};
+
+return EvEmitter;
+
+}));
+
+/*!
+ * Unipointer v2.1.0
+ * base class for doing one thing with pointer event
+ * MIT license
+ */
+
+/*jshint browser: true, undef: true, unused: true, strict: true */
+
+( function( window, factory ) {
+ // universal module definition
+ /* jshint strict: false */ /*global define, module, require */
+ if ( typeof define == 'function' && define.amd ) {
+ // AMD
+ define( 'unipointer/unipointer',[
+ 'ev-emitter/ev-emitter'
+ ], function( EvEmitter ) {
+ return factory( window, EvEmitter );
+ });
+ } else if ( typeof module == 'object' && module.exports ) {
+ // CommonJS
+ module.exports = factory(
+ window,
+ require('ev-emitter')
+ );
+ } else {
+ // browser global
+ window.Unipointer = factory(
+ window,
+ window.EvEmitter
+ );
+ }
+
+}( window, function factory( window, EvEmitter ) {
+
+
+
+function noop() {}
+
+function Unipointer() {}
+
+// inherit EvEmitter
+var proto = Unipointer.prototype = Object.create( EvEmitter.prototype );
+
+proto.bindStartEvent = function( elem ) {
+ this._bindStartEvent( elem, true );
+};
+
+proto.unbindStartEvent = function( elem ) {
+ this._bindStartEvent( elem, false );
+};
+
+/**
+ * works as unbinder, as you can ._bindStart( false ) to unbind
+ * @param {Boolean} isBind - will unbind if falsey
+ */
+proto._bindStartEvent = function( elem, isBind ) {
+ // munge isBind, default to true
+ isBind = isBind === undefined ? true : !!isBind;
+ var bindMethod = isBind ? 'addEventListener' : 'removeEventListener';
+
+ if ( window.navigator.pointerEnabled ) {
+ // W3C Pointer Events, IE11. See https://coderwall.com/p/mfreca
+ elem[ bindMethod ]( 'pointerdown', this );
+ } else if ( window.navigator.msPointerEnabled ) {
+ // IE10 Pointer Events
+ elem[ bindMethod ]( 'MSPointerDown', this );
+ } else {
+ // listen for both, for devices like Chrome Pixel
+ elem[ bindMethod ]( 'mousedown', this );
+ elem[ bindMethod ]( 'touchstart', this );
+ }
+};
+
+// trigger handler methods for events
+proto.handleEvent = function( event ) {
+ var method = 'on' + event.type;
+ if ( this[ method ] ) {
+ this[ method ]( event );
+ }
+};
+
+// returns the touch that we're keeping track of
+proto.getTouch = function( touches ) {
+ for ( var i=0; i < touches.length; i++ ) {
+ var touch = touches[i];
+ if ( touch.identifier == this.pointerIdentifier ) {
+ return touch;
+ }
+ }
+};
+
+// ----- start event ----- //
+
+proto.onmousedown = function( event ) {
+ // dismiss clicks from right or middle buttons
+ var button = event.button;
+ if ( button && ( button !== 0 && button !== 1 ) ) {
+ return;
+ }
+ this._pointerDown( event, event );
+};
+
+proto.ontouchstart = function( event ) {
+ this._pointerDown( event, event.changedTouches[0] );
+};
+
+proto.onMSPointerDown =
+proto.onpointerdown = function( event ) {
+ this._pointerDown( event, event );
+};
+
+/**
+ * pointer start
+ * @param {Event} event
+ * @param {Event or Touch} pointer
+ */
+proto._pointerDown = function( event, pointer ) {
+ // dismiss other pointers
+ if ( this.isPointerDown ) {
+ return;
+ }
+
+ this.isPointerDown = true;
+ // save pointer identifier to match up touch events
+ this.pointerIdentifier = pointer.pointerId !== undefined ?
+ // pointerId for pointer events, touch.indentifier for touch events
+ pointer.pointerId : pointer.identifier;
+
+ this.pointerDown( event, pointer );
+};
+
+proto.pointerDown = function( event, pointer ) {
+ this._bindPostStartEvents( event );
+ this.emitEvent( 'pointerDown', [ event, pointer ] );
+};
+
+// hash of events to be bound after start event
+var postStartEvents = {
+ mousedown: [ 'mousemove', 'mouseup' ],
+ touchstart: [ 'touchmove', 'touchend', 'touchcancel' ],
+ pointerdown: [ 'pointermove', 'pointerup', 'pointercancel' ],
+ MSPointerDown: [ 'MSPointerMove', 'MSPointerUp', 'MSPointerCancel' ]
+};
+
+proto._bindPostStartEvents = function( event ) {
+ if ( !event ) {
+ return;
+ }
+ // get proper events to match start event
+ var events = postStartEvents[ event.type ];
+ // bind events to node
+ events.forEach( function( eventName ) {
+ window.addEventListener( eventName, this );
+ }, this );
+ // save these arguments
+ this._boundPointerEvents = events;
+};
+
+proto._unbindPostStartEvents = function() {
+ // check for _boundEvents, in case dragEnd triggered twice (old IE8 bug)
+ if ( !this._boundPointerEvents ) {
+ return;
+ }
+ this._boundPointerEvents.forEach( function( eventName ) {
+ window.removeEventListener( eventName, this );
+ }, this );
+
+ delete this._boundPointerEvents;
+};
+
+// ----- move event ----- //
+
+proto.onmousemove = function( event ) {
+ this._pointerMove( event, event );
+};
+
+proto.onMSPointerMove =
+proto.onpointermove = function( event ) {
+ if ( event.pointerId == this.pointerIdentifier ) {
+ this._pointerMove( event, event );
+ }
+};
+
+proto.ontouchmove = function( event ) {
+ var touch = this.getTouch( event.changedTouches );
+ if ( touch ) {
+ this._pointerMove( event, touch );
+ }
+};
+
+/**
+ * pointer move
+ * @param {Event} event
+ * @param {Event or Touch} pointer
+ * @private
+ */
+proto._pointerMove = function( event, pointer ) {
+ this.pointerMove( event, pointer );
+};
+
+// public
+proto.pointerMove = function( event, pointer ) {
+ this.emitEvent( 'pointerMove', [ event, pointer ] );
+};
+
+// ----- end event ----- //
+
+
+proto.onmouseup = function( event ) {
+ this._pointerUp( event, event );
+};
+
+proto.onMSPointerUp =
+proto.onpointerup = function( event ) {
+ if ( event.pointerId == this.pointerIdentifier ) {
+ this._pointerUp( event, event );
+ }
+};
+
+proto.ontouchend = function( event ) {
+ var touch = this.getTouch( event.changedTouches );
+ if ( touch ) {
+ this._pointerUp( event, touch );
+ }
+};
+
+/**
+ * pointer up
+ * @param {Event} event
+ * @param {Event or Touch} pointer
+ * @private
+ */
+proto._pointerUp = function( event, pointer ) {
+ this._pointerDone();
+ this.pointerUp( event, pointer );
+};
+
+// public
+proto.pointerUp = function( event, pointer ) {
+ this.emitEvent( 'pointerUp', [ event, pointer ] );
+};
+
+// ----- pointer done ----- //
+
+// triggered on pointer up & pointer cancel
+proto._pointerDone = function() {
+ // reset properties
+ this.isPointerDown = false;
+ delete this.pointerIdentifier;
+ // remove events
+ this._unbindPostStartEvents();
+ this.pointerDone();
+};
+
+proto.pointerDone = noop;
+
+// ----- pointer cancel ----- //
+
+proto.onMSPointerCancel =
+proto.onpointercancel = function( event ) {
+ if ( event.pointerId == this.pointerIdentifier ) {
+ this._pointerCancel( event, event );
+ }
+};
+
+proto.ontouchcancel = function( event ) {
+ var touch = this.getTouch( event.changedTouches );
+ if ( touch ) {
+ this._pointerCancel( event, touch );
+ }
+};
+
+/**
+ * pointer cancel
+ * @param {Event} event
+ * @param {Event or Touch} pointer
+ * @private
+ */
+proto._pointerCancel = function( event, pointer ) {
+ this._pointerDone();
+ this.pointerCancel( event, pointer );
+};
+
+// public
+proto.pointerCancel = function( event, pointer ) {
+ this.emitEvent( 'pointerCancel', [ event, pointer ] );
+};
+
+// ----- ----- //
+
+// utility function for getting x/y coords from event
+Unipointer.getPointerPoint = function( pointer ) {
+ return {
+ x: pointer.pageX,
+ y: pointer.pageY
+ };
+};
+
+// ----- ----- //
+
+return Unipointer;
+
+}));
+
+/**
+ * Huebee v1.0.0
+ * 1-click color picker
+ *
+ * Licensed GPLv3 for open source use
+ * or Huebee Commercial License for commercial use
+ *
+ * http://huebee.buzz
+ * Copyright 2016 Metafizzy
+ */
+
+/*jshint browser: true, unused: true, undef: true */
+
+( function( window, factory ) {
+ // universal module definition
+ /* globals define, module, require */
+ if ( typeof define == 'function' && define.amd ) {
+ // AMD
+ define( [
+ 'ev-emitter/ev-emitter',
+ 'unipointer/unipointer',
+ ], function( EvEmitter, Unipointer ) {
+ return factory( window, EvEmitter, Unipointer );
+ });
+ } else if ( typeof module == 'object' && module.exports ) {
+ // CommonJS
+ module.exports = factory(
+ window,
+ require('ev-emitter'),
+ require('unipointer')
+ );
+ } else {
+ // browser global
+ window.Huebee = factory(
+ window,
+ window.EvEmitter,
+ window.Unipointer
+ );
+ }
+
+}( window, function factory( window, EvEmitter, Unipointer ) {
+
+function Huebee( anchor, options ) {
+ // anchor
+ anchor = getQueryElement( anchor );
+ if ( !anchor ) {
+ throw 'Bad element for Huebee: ' + anchor;
+ }
+ this.anchor = anchor;
+ // options
+ this.options = {};
+ this.option( Huebee.defaults );
+ this.option( options );
+ // kick things off
+ this.create();
+}
+
+Huebee.defaults = {
+ hues: 12,
+ hue0: 0,
+ shades: 5,
+ saturations: 3,
+ notation: 'shortHex',
+ setText: true,
+ setBGColor: true,
+};
+
+var proto = Huebee.prototype = Object.create( EvEmitter.prototype );
+
+proto.option = function( options ) {
+ this.options = extend( this.options, options );
+};
+
+// globally unique identifiers
+var GUID = 0;
+// internal store of all Colcade intances
+var instances = {};
+
+proto.create = function() {
+ // add guid for Colcade.data
+ var guid = this.guid = ++GUID;
+ this.anchor.huebeeGUID = guid;
+ instances[ guid ] = this; // associate via id
+ // properties
+ this.setBGElems = this.getSetElems( this.options.setBGColor );
+ this.setTextElems = this.getSetElems( this.options.setText );
+ // events
+ // HACK: this is getting ugly
+ this.outsideCloseIt = this.outsideClose.bind( this );
+ this.onDocKeydown = this.docKeydown.bind( this );
+ this.closeIt = this.close.bind( this );
+ this.openIt = this.open.bind( this );
+ this.onElemTransitionend = this.elemTransitionend.bind( this );
+ // open events
+ this.isInputAnchor = this.anchor.nodeName == 'INPUT';
+ if ( !this.options.staticOpen ) {
+ this.anchor.addEventListener( 'click', this.openIt );
+ this.anchor.addEventListener( 'focus', this.openIt );
+ }
+ // change event
+ if ( this.isInputAnchor ) {
+ this.anchor.addEventListener( 'input', this.inputInput.bind( this ) );
+ }
+ // create element
+ var element = this.element = document.createElement('div');
+ element.className = 'huebee ';
+ element.className += this.options.staticOpen ? 'is-static-open ' :
+ 'is-hidden ';
+ element.className += this.options.className || '';
+ // create container
+ var container = this.container = document.createElement('div');
+ container.className = 'huebee__container';
+ // do not blur if padding clicked
+ function onContainerPointerStart( event ) {
+ if ( event.target == container ) {
+ event.preventDefault();
+ }
+ }
+ container.addEventListener( 'mousedown', onContainerPointerStart );
+ container.addEventListener( 'touchstart', onContainerPointerStart );
+ // create canvas
+ this.createCanvas();
+ // create cursor
+ this.cursor = document.createElement('div');
+ this.cursor.className = 'huebee__cursor is-hidden';
+ container.appendChild( this.cursor );
+ // create close button
+ this.createCloseButton();
+
+ element.appendChild( container );
+ // set relative position on parent
+ if ( !this.options.staticOpen ) {
+ var parentStyle = getComputedStyle( this.anchor.parentNode );
+ if ( parentStyle.position != 'relative' && parentStyle.position != 'absolute' ) {
+ this.anchor.parentNode.style.position = 'relative';
+ }
+ }
+
+ // satY
+ var hues = this.options.hues;
+ var customColors = this.options.customColors;
+ var customLength = customColors && customColors.length;
+ // y position where saturation grid starts
+ this.satY = customLength ? Math.ceil( customLength/hues ) + 1 : 0;
+ // colors
+ this.updateColors();
+ this.setAnchorColor();
+ if ( this.options.staticOpen ) {
+ this.open();
+ }
+};
+
+proto.getSetElems = function( option ) {
+ if ( option === true ) {
+ return [ this.anchor ];
+ } else if ( typeof option == 'string' ) {
+ return document.querySelectorAll( option );
+ }
+};
+
+proto.createCanvas = function() {
+ var canvas = this.canvas = document.createElement('canvas');
+ canvas.className = 'huebee__canvas';
+ this.ctx = canvas.getContext('2d');
+ // canvas pointer events
+ var canvasPointer = this.canvasPointer = new Unipointer();
+ canvasPointer._bindStartEvent( canvas );
+ canvasPointer.on( 'pointerDown', this.canvasPointerDown.bind( this ) );
+ canvasPointer.on( 'pointerMove', this.canvasPointerMove.bind( this ) );
+ this.container.appendChild( canvas );
+};
+
+var svgURI = 'http://www.w3.org/2000/svg';
+
+proto.createCloseButton = function() {
+ if ( this.options.staticOpen ) {
+ return;
+ }
+ var svg = document.createElementNS( svgURI, 'svg');
+ svg.setAttribute( 'class', 'huebee__close-button' );
+ svg.setAttribute( 'viewBox', '0 0 24 24' );
+ var path = document.createElementNS( svgURI, 'path');
+ path.setAttribute( 'd', 'M 7,7 L 17,17 M 17,7 L 7,17' );
+ path.setAttribute( 'class', 'huebee__close-button__x' );
+ svg.appendChild( path );
+ svg.addEventListener( 'click', this.closeIt );
+ this.container.appendChild( svg );
+};
+
+proto.updateColors = function() {
+ // hash of color, h, s, l according to x,y grid position
+ // [x,y] = { color, h, s, l }
+ this.swatches = {};
+ // hash of gridX,gridY position according to color
+ // [#09F] = { x, y }
+ this.colorGrid = {};
+ this.updateColorModer();
+
+ var shades = this.options.shades;
+ var sats = this.options.saturations;
+ var hues = this.options.hues;
+ var customColors = this.options.customColors;
+
+ // render custom colors
+ if ( customColors && customColors.length ) {
+ var customI = 0;
+ customColors.forEach( function( color ) {
+ var x = customI % hues;
+ var y = Math.floor( customI/hues );
+ var swatch = getSwatch( color );
+ if ( swatch ) {
+ this.addSwatch( swatch, x, y );
+ customI++;
+ }
+ }.bind( this ) );
+ }
+
+ // render saturation grids
+ for ( var i=0; i < sats; i++ ) {
+ var sat = 1 - i/sats;
+ var yOffset = shades*i + this.satY;
+ this.updateSaturationGrid( i, sat, yOffset );
+ }
+
+ // render grays
+ for ( i=0; i < shades+2; i++ ) {
+ var lum = 1 - i/(shades+1);
+ var swatch = {
+ color: this.colorModer( 0, 0, lum ),
+ hue: 0,
+ sat: 0,
+ lum: lum,
+ };
+ this.addSwatch( swatch, hues+1, i );
+ }
+};
+
+proto.updateSaturationGrid = function( i, sat, yOffset ) {
+ var shades = this.options.shades;
+ var hues = this.options.hues;
+ var hue0 = this.options.hue0;
+ for ( var row = 0; row < shades; row++ ) {
+ for ( var col = 0; col < hues; col++ ) {
+ var swatch = {
+ hue: Math.round( col * 360/hues + hue0 ) % 360,
+ sat: sat,
+ lum: 1 - (row+1) / (shades+1),
+ };
+ swatch.color = this.colorModer( swatch.hue, sat, swatch.lum );
+ var gridY = row + yOffset;
+ this.addSwatch( swatch, col, gridY );
+ }
+ }
+};
+
+proto.addSwatch = function( swatch, gridX, gridY ) {
+ // add swatch color to hash
+ this.swatches[ gridX + ',' + gridY ] = swatch;
+ // add color to colorGrid
+ this.colorGrid[ swatch.color.toUpperCase() ] = {
+ x: gridX,
+ y: gridY,
+ };
+};
+
+var colorModers = {
+ hsl: function( h, s, l ) {
+ s = Math.round( s * 100 );
+ l = Math.round( l * 100 );
+ return 'hsl(' + h + ', ' + s + '%, ' + l + '%)';
+ },
+ hex: hsl2hex,
+ shortHex: function( h, s, l ) {
+ var hex = hsl2hex( h, s, l );
+ return roundHex( hex );
+ }
+};
+
+proto.updateColorModer = function() {
+ this.colorModer = colorModers[ this.options.notation ] || colorModers.shortHex;
+};
+
+proto.renderColors = function() {
+ var gridSize = this.gridSize*2;
+ for ( var position in this.swatches ) {
+ var swatch = this.swatches[ position ];
+ var duple = position.split(',');
+ var gridX = duple[0];
+ var gridY = duple[1];
+ this.ctx.fillStyle = swatch.color;
+ this.ctx.fillRect( gridX*gridSize, gridY*gridSize, gridSize, gridSize );
+ }
+};
+
+proto.setAnchorColor = function() {
+ if ( this.isInputAnchor ) {
+ this.setColor( this.anchor.value );
+ }
+};
+
+// ----- events ----- //
+
+var docElem = document.documentElement;
+
+proto.open = function() {
+ /* jshint unused: false */
+ if ( this.isOpen ) {
+ return;
+ }
+ var anchor = this.anchor;
+ var elem = this.element;
+ if ( !this.options.staticOpen ) {
+ elem.style.left = anchor.offsetLeft + 'px';
+ elem.style.top = anchor.offsetTop + anchor.offsetHeight + 'px';
+ }
+ this.bindOpenEvents( true );
+ elem.removeEventListener( 'transitionend', this.onElemTransitionend );
+ // add huebee to DOM
+ anchor.parentNode.insertBefore( elem, anchor.nextSibling );
+ // measurements
+ var duration = getComputedStyle( elem ).transitionDuration;
+ this.hasTransition = duration && duration != 'none' && parseFloat( duration );
+
+ this.isOpen = true;
+ this.updateSizes();
+ this.renderColors();
+ this.setAnchorColor();
+
+ // trigger reflow for transition
+ var h = elem.offsetHeight;
+ elem.classList.remove('is-hidden');
+};
+
+proto.bindOpenEvents = function( isAdd ) {
+ if ( this.options.staticOpen ) {
+ return;
+ }
+ var method = ( isAdd ? 'add' : 'remove' ) + 'EventListener';
+ docElem[ method]( 'mousedown', this.outsideCloseIt );
+ docElem[ method]( 'touchstart', this.outsideCloseIt );
+ document[ method ]( 'focusin', this.outsideCloseIt );
+ document[ method ]( 'keydown', this.onDocKeydown );
+ this.anchor[ method ]( 'blur', this.closeIt );
+};
+
+proto.updateSizes = function() {
+ var hues = this.options.hues;
+ var shades = this.options.shades;
+ var sats = this.options.saturations;
+
+ this.cursorBorder = parseInt( getComputedStyle( this.cursor ).borderTopWidth, 10 );
+ this.gridSize = Math.round( this.cursor.offsetWidth - this.cursorBorder*2 );
+ this.canvasOffset = {
+ x: this.canvas.offsetLeft,
+ y: this.canvas.offsetTop,
+ };
+ var height = Math.max( shades*sats + this.satY, shades+2 );
+ var width = this.gridSize * (hues+2);
+ this.canvas.width = width * 2;
+ this.canvas.style.width = width + 'px';
+ this.canvas.height = this.gridSize * height * 2;
+};
+
+// close if target is not anchor or element
+proto.outsideClose = function( event ) {
+ var isAnchor = this.anchor.contains( event.target );
+ var isElement = this.element.contains( event.target );
+ if ( !isAnchor && !isElement ) {
+ this.close();
+ }
+};
+
+var closeKeydowns = {
+ 13: true, // enter
+ 27: true, // esc
+};
+
+proto.docKeydown = function( event ) {
+ if ( closeKeydowns[ event.keyCode ] ) {
+ this.close();
+ }
+};
+
+var supportsTransitions = typeof docElem.style.transform == 'string';
+
+proto.close = function() {
+ if ( !this.isOpen ) {
+ return;
+ }
+
+ if ( supportsTransitions && this.hasTransition ) {
+ this.element.addEventListener( 'transitionend', this.onElemTransitionend );
+ } else {
+ this.remove();
+ }
+ this.element.classList.add('is-hidden');
+
+ this.bindOpenEvents( false );
+ this.isOpen = false;
+};
+
+proto.remove = function() {
+ var parent = this.element.parentNode;
+ if ( parent.contains( this.element ) ) {
+ parent.removeChild( this.element );
+ }
+};
+
+proto.elemTransitionend = function( event ) {
+ if ( event.target != this.element ) {
+ return;
+ }
+ this.element.removeEventListener( 'transitionend', this.onElemTransitionend );
+ this.remove();
+};
+
+proto.inputInput = function() {
+ this.setColor( this.anchor.value );
+};
+
+// ----- canvas pointer ----- //
+
+proto.canvasPointerDown = function( event, pointer ) {
+ event.preventDefault();
+ this.updateOffset();
+ this.canvasPointerChange( pointer );
+};
+
+proto.updateOffset = function() {
+ var boundingRect = this.canvas.getBoundingClientRect();
+ this.offset = {
+ x: boundingRect.left + window.pageXOffset,
+ y: boundingRect.top + window.pageYOffset,
+ };
+};
+
+proto.canvasPointerMove = function( event, pointer ) {
+ this.canvasPointerChange( pointer );
+};
+
+proto.canvasPointerChange = function( pointer ) {
+ var x = Math.round( pointer.pageX - this.offset.x );
+ var y = Math.round( pointer.pageY - this.offset.y );
+ var gridSize = this.gridSize;
+ var sx = Math.floor( x/gridSize );
+ var sy = Math.floor( y/gridSize );
+
+ var swatch = this.swatches[ sx + ',' + sy ];
+ this.setSwatch( swatch );
+};
+
+// ----- select ----- //
+
+proto.setColor = function( color ) {
+ var swatch = getSwatch( color );
+ this.setSwatch( swatch );
+};
+
+proto.setSwatch = function( swatch ) {
+ var color = swatch && swatch.color;
+ if ( !swatch ) {
+ return;
+ }
+ var wasSameColor = color == this.color;
+ // color properties
+ this.color = color;
+ this.hue = swatch.hue;
+ this.sat = swatch.sat;
+ this.lum = swatch.lum;
+ // estimate if color can have dark or white text
+ var lightness = this.lum - Math.cos( (this.hue+60) / 180*Math.PI ) * 0.1;
+ this.isLight = lightness > 0.5;
+ // cursor
+ var gridPosition = this.colorGrid[ color.toUpperCase() ];
+ this.updateCursor( gridPosition );
+ // set texts & backgrounds
+ this.setTexts();
+ this.setBackgrounds();
+ // event
+ if ( !wasSameColor ) {
+ this.emitEvent( 'change', [ color, swatch.hue, swatch.sat, swatch.lum ] );
+ }
+};
+
+proto.setTexts = function() {
+ if ( !this.setTextElems ) {
+ return;
+ }
+ for ( var i=0; i < this.setTextElems.length; i++ ) {
+ var elem = this.setTextElems[i];
+ var property = elem.nodeName == 'INPUT' ? 'value' : 'textContent';
+ elem[ property ] = this.color;
+ }
+};
+
+proto.setBackgrounds = function() {
+ if ( !this.setBGElems ) {
+ return;
+ }
+ var textColor = this.isLight ? '#222' : 'white';
+ for ( var i=0; i < this.setBGElems.length; i++ ) {
+ var elem = this.setBGElems[i];
+ elem.style.backgroundColor = this.color;
+ elem.style.color = textColor;
+ }
+};
+
+proto.updateCursor = function( position ) {
+ if ( !this.isOpen ) {
+ return;
+ }
+ // show cursor if color is on the grid
+ var classMethod = position ? 'remove' : 'add';
+ this.cursor.classList[ classMethod ]('is-hidden');
+
+ if ( !position ) {
+ return;
+ }
+ var gridSize = this.gridSize;
+ var offset = this.canvasOffset;
+ var border = this.cursorBorder;
+ this.cursor.style.left = position.x*gridSize + offset.x - border + 'px';
+ this.cursor.style.top = position.y*gridSize + offset.y - border + 'px';
+};
+
+// -------------------------- htmlInit -------------------------- //
+
+var console = window.console;
+
+function htmlInit() {
+ var elems = document.querySelectorAll('[data-huebee]');
+ for ( var i=0; i < elems.length; i++ ) {
+ var elem = elems[i];
+ var attr = elem.getAttribute('data-huebee');
+ var options;
+ try {
+ options = attr && JSON.parse( attr );
+ } catch ( error ) {
+ // log error, do not initialize
+ if ( console ) {
+ console.error( 'Error parsing data-huebee on ' + elem.className +
+ ': ' + error );
+ }
+ continue;
+ }
+ // initialize
+ new Huebee( elem, options );
+ }
+}
+
+var readyState = document.readyState;
+if ( readyState == 'complete' || readyState == 'interactive' ) {
+ htmlInit();
+} else {
+ document.addEventListener( 'DOMContentLoaded', htmlInit );
+}
+
+// -------------------------- Huebee.data -------------------------- //
+
+Huebee.data = function( elem ) {
+ elem = getQueryElement( elem );
+ var id = elem && elem.huebeeGUID;
+ return id && instances[ id ];
+};
+
+// -------------------------- getSwatch -------------------------- //
+
+// proxy canvas used to check colors
+var proxyCanvas = document.createElement('canvas');
+proxyCanvas.width = proxyCanvas.height = 1;
+var proxyCtx = proxyCanvas.getContext('2d');
+
+function getSwatch( color ) {
+ // check that color value is valid
+ proxyCtx.clearRect( 0, 0, 1, 1 );
+ proxyCtx.fillStyle = '#010203'; // reset value
+ proxyCtx.fillStyle = color;
+ proxyCtx.fillRect( 0, 0, 1, 1 );
+ var imageData = proxyCtx.getImageData( 0, 0, 1, 1 ).data;
+ if ( imageData.join(',') == '1,2,3,255' ) {
+ // invalid color
+ return;
+ }
+ // convert rgb to hsl
+ var hsl = rgb2hsl.apply( this, imageData );
+ return {
+ color: color.trim(),
+ hue: hsl[0],
+ sat: hsl[1],
+ lum: hsl[2],
+ };
+}
+
+// -------------------------- utils -------------------------- //
+
+function extend( a, b ) {
+ for ( var prop in b ) {
+ a[ prop ] = b[ prop ];
+ }
+ return a;
+}
+
+function getQueryElement( elem ) {
+ if ( typeof elem == 'string' ) {
+ elem = document.querySelector( elem );
+ }
+ return elem;
+}
+
+function hsl2hex( h, s, l ) {
+ var rgb = hsl2rgb( h, s, l );
+ return rgb2hex( rgb );
+}
+
+// thx jfsiii
+// https://github.com/jfsiii/chromath/blob/master/src/static.js#L312
+function hsl2rgb(h, s, l) {
+
+ var C = (1 - Math.abs(2*l-1)) * s;
+ var hp = h/60;
+ var X = C * (1-Math.abs(hp%2-1));
+ var rgb, m;
+
+ switch ( Math.floor(hp) ) {
+ case 0: rgb = [C,X,0]; break;
+ case 1: rgb = [X,C,0]; break;
+ case 2: rgb = [0,C,X]; break;
+ case 3: rgb = [0,X,C]; break;
+ case 4: rgb = [X,0,C]; break;
+ case 5: rgb = [C,0,X]; break;
+ default: rgb = [0,0,0];
+ }
+
+ m = l - (C/2);
+ rgb = rgb.map( function( v ) {
+ return v + m;
+ });
+
+ return rgb;
+}
+
+function rgb2hsl(r, g, b) {
+ r /= 255; g /= 255; b /= 255;
+
+ var M = Math.max(r, g, b);
+ var m = Math.min(r, g, b);
+ var C = M - m;
+ var L = 0.5*(M + m);
+ var S = (C === 0) ? 0 : C/(1-Math.abs(2*L-1));
+
+ var h;
+ if (C === 0) h = 0; // spec'd as undefined, but usually set to 0
+ else if (M === r) h = ((g-b)/C) % 6;
+ else if (M === g) h = ((b-r)/C) + 2;
+ else if (M === b) h = ((r-g)/C) + 4;
+
+ var H = 60 * h;
+
+ return [H, parseFloat(S), parseFloat(L)];
+}
+
+function rgb2hex( rgb ) {
+ var hex = rgb.map( function( value ) {
+ value = Math.round( value * 255 );
+ var hexNum = value.toString(16).toUpperCase();
+ // left pad 0
+ hexNum = hexNum.length < 2 ? '0' + hexNum : hexNum;
+ return hexNum;
+ });
+
+ return '#' + hex.join('');
+}
+
+// #123456 -> #135
+// grab first digit from hex
+// not mathematically accurate, but makes for better palette
+function roundHex( hex ) {
+ return '#' + hex[1] + hex[3] + hex[5];
+}
+
+// -------------------------- -------------------------- //
+
+return Huebee;
+
+}));
+