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+/*!
+ * Draggabilly PACKAGED v2.1.0
+ * Make that shiz draggable
+ * http://draggabilly.desandro.com
+ * MIT license
+ */
+
+/**
+ * Bridget makes jQuery widgets
+ * v2.0.0
+ * MIT license
+ */
+
+/* jshint browser: true, strict: true, undef: true, unused: true */
+
+( function( window, factory ) {
+
+ /* globals define: false, module: false, require: false */
+
+ if ( typeof define == 'function' && define.amd ) {
+ // AMD
+ define( 'jquery-bridget/jquery-bridget',[ 'jquery' ], function( jQuery ) {
+ factory( window, jQuery );
+ });
+ } else if ( typeof module == 'object' && module.exports ) {
+ // CommonJS
+ module.exports = factory(
+ window,
+ require('jquery')
+ );
+ } else {
+ // browser global
+ window.jQueryBridget = factory(
+ window,
+ window.jQuery
+ );
+ }
+
+}( window, function factory( window, jQuery ) {
+
+
+// ----- utils ----- //
+
+var arraySlice = Array.prototype.slice;
+
+// helper function for logging errors
+// $.error breaks jQuery chaining
+var console = window.console;
+var logError = typeof console == 'undefined' ? function() {} :
+ function( message ) {
+ console.error( message );
+ };
+
+// ----- jQueryBridget ----- //
+
+function jQueryBridget( namespace, PluginClass, $ ) {
+ $ = $ || jQuery || window.jQuery;
+ if ( !$ ) {
+ return;
+ }
+
+ // add option method -> $().plugin('option', {...})
+ if ( !PluginClass.prototype.option ) {
+ // option setter
+ PluginClass.prototype.option = function( opts ) {
+ // bail out if not an object
+ if ( !$.isPlainObject( opts ) ){
+ return;
+ }
+ this.options = $.extend( true, this.options, opts );
+ };
+ }
+
+ // make jQuery plugin
+ $.fn[ namespace ] = function( arg0 /*, arg1 */ ) {
+ if ( typeof arg0 == 'string' ) {
+ // method call $().plugin( 'methodName', { options } )
+ // shift arguments by 1
+ var args = arraySlice.call( arguments, 1 );
+ return methodCall( this, arg0, args );
+ }
+ // just $().plugin({ options })
+ plainCall( this, arg0 );
+ return this;
+ };
+
+ // $().plugin('methodName')
+ function methodCall( $elems, methodName, args ) {
+ var returnValue;
+ var pluginMethodStr = '$().' + namespace + '("' + methodName + '")';
+
+ $elems.each( function( i, elem ) {
+ // get instance
+ var instance = $.data( elem, namespace );
+ if ( !instance ) {
+ logError( namespace + ' not initialized. Cannot call methods, i.e. ' +
+ pluginMethodStr );
+ return;
+ }
+
+ var method = instance[ methodName ];
+ if ( !method || methodName.charAt(0) == '_' ) {
+ logError( pluginMethodStr + ' is not a valid method' );
+ return;
+ }
+
+ // apply method, get return value
+ var value = method.apply( instance, args );
+ // set return value if value is returned, use only first value
+ returnValue = returnValue === undefined ? value : returnValue;
+ });
+
+ return returnValue !== undefined ? returnValue : $elems;
+ }
+
+ function plainCall( $elems, options ) {
+ $elems.each( function( i, elem ) {
+ var instance = $.data( elem, namespace );
+ if ( instance ) {
+ // set options & init
+ instance.option( options );
+ instance._init();
+ } else {
+ // initialize new instance
+ instance = new PluginClass( elem, options );
+ $.data( elem, namespace, instance );
+ }
+ });
+ }
+
+ updateJQuery( $ );
+
+}
+
+// ----- updateJQuery ----- //
+
+// set $.bridget for v1 backwards compatibility
+function updateJQuery( $ ) {
+ if ( !$ || ( $ && $.bridget ) ) {
+ return;
+ }
+ $.bridget = jQueryBridget;
+}
+
+updateJQuery( jQuery || window.jQuery );
+
+// ----- ----- //
+
+return jQueryBridget;
+
+}));
+
+/*!
+ * getSize v2.0.2
+ * measure size of elements
+ * MIT license
+ */
+
+/*jshint browser: true, strict: true, undef: true, unused: true */
+/*global define: false, module: false, console: false */
+
+( function( window, factory ) {
+
+
+ if ( typeof define == 'function' && define.amd ) {
+ // AMD
+ define( 'get-size/get-size',[],function() {
+ return factory();
+ });
+ } else if ( typeof module == 'object' && module.exports ) {
+ // CommonJS
+ module.exports = factory();
+ } else {
+ // browser global
+ window.getSize = factory();
+ }
+
+})( window, function factory() {
+
+
+// -------------------------- helpers -------------------------- //
+
+// get a number from a string, not a percentage
+function getStyleSize( value ) {
+ var num = parseFloat( value );
+ // not a percent like '100%', and a number
+ var isValid = value.indexOf('%') == -1 && !isNaN( num );
+ return isValid && num;
+}
+
+function noop() {}
+
+var logError = typeof console == 'undefined' ? noop :
+ function( message ) {
+ console.error( message );
+ };
+
+// -------------------------- measurements -------------------------- //
+
+var measurements = [
+ 'paddingLeft',
+ 'paddingRight',
+ 'paddingTop',
+ 'paddingBottom',
+ 'marginLeft',
+ 'marginRight',
+ 'marginTop',
+ 'marginBottom',
+ 'borderLeftWidth',
+ 'borderRightWidth',
+ 'borderTopWidth',
+ 'borderBottomWidth'
+];
+
+var measurementsLength = measurements.length;
+
+function getZeroSize() {
+ var size = {
+ width: 0,
+ height: 0,
+ innerWidth: 0,
+ innerHeight: 0,
+ outerWidth: 0,
+ outerHeight: 0
+ };
+ for ( var i=0; i < measurementsLength; i++ ) {
+ var measurement = measurements[i];
+ size[ measurement ] = 0;
+ }
+ return size;
+}
+
+// -------------------------- getStyle -------------------------- //
+
+/**
+ * getStyle, get style of element, check for Firefox bug
+ * https://bugzilla.mozilla.org/show_bug.cgi?id=548397
+ */
+function getStyle( elem ) {
+ var style = getComputedStyle( elem );
+ if ( !style ) {
+ logError( 'Style returned ' + style +
+ '. Are you running this code in a hidden iframe on Firefox? ' +
+ 'See http://bit.ly/getsizebug1' );
+ }
+ return style;
+}
+
+// -------------------------- setup -------------------------- //
+
+var isSetup = false;
+
+var isBoxSizeOuter;
+
+/**
+ * setup
+ * check isBoxSizerOuter
+ * do on first getSize() rather than on page load for Firefox bug
+ */
+function setup() {
+ // setup once
+ if ( isSetup ) {
+ return;
+ }
+ isSetup = true;
+
+ // -------------------------- box sizing -------------------------- //
+
+ /**
+ * WebKit measures the outer-width on style.width on border-box elems
+ * IE & Firefox<29 measures the inner-width
+ */
+ var div = document.createElement('div');
+ div.style.width = '200px';
+ div.style.padding = '1px 2px 3px 4px';
+ div.style.borderStyle = 'solid';
+ div.style.borderWidth = '1px 2px 3px 4px';
+ div.style.boxSizing = 'border-box';
+
+ var body = document.body || document.documentElement;
+ body.appendChild( div );
+ var style = getStyle( div );
+
+ getSize.isBoxSizeOuter = isBoxSizeOuter = getStyleSize( style.width ) == 200;
+ body.removeChild( div );
+
+}
+
+// -------------------------- getSize -------------------------- //
+
+function getSize( elem ) {
+ setup();
+
+ // use querySeletor if elem is string
+ if ( typeof elem == 'string' ) {
+ elem = document.querySelector( elem );
+ }
+
+ // do not proceed on non-objects
+ if ( !elem || typeof elem != 'object' || !elem.nodeType ) {
+ return;
+ }
+
+ var style = getStyle( elem );
+
+ // if hidden, everything is 0
+ if ( style.display == 'none' ) {
+ return getZeroSize();
+ }
+
+ var size = {};
+ size.width = elem.offsetWidth;
+ size.height = elem.offsetHeight;
+
+ var isBorderBox = size.isBorderBox = style.boxSizing == 'border-box';
+
+ // get all measurements
+ for ( var i=0; i < measurementsLength; i++ ) {
+ var measurement = measurements[i];
+ var value = style[ measurement ];
+ var num = parseFloat( value );
+ // any 'auto', 'medium' value will be 0
+ size[ measurement ] = !isNaN( num ) ? num : 0;
+ }
+
+ var paddingWidth = size.paddingLeft + size.paddingRight;
+ var paddingHeight = size.paddingTop + size.paddingBottom;
+ var marginWidth = size.marginLeft + size.marginRight;
+ var marginHeight = size.marginTop + size.marginBottom;
+ var borderWidth = size.borderLeftWidth + size.borderRightWidth;
+ var borderHeight = size.borderTopWidth + size.borderBottomWidth;
+
+ var isBorderBoxSizeOuter = isBorderBox && isBoxSizeOuter;
+
+ // overwrite width and height if we can get it from style
+ var styleWidth = getStyleSize( style.width );
+ if ( styleWidth !== false ) {
+ size.width = styleWidth +
+ // add padding and border unless it's already including it
+ ( isBorderBoxSizeOuter ? 0 : paddingWidth + borderWidth );
+ }
+
+ var styleHeight = getStyleSize( style.height );
+ if ( styleHeight !== false ) {
+ size.height = styleHeight +
+ // add padding and border unless it's already including it
+ ( isBorderBoxSizeOuter ? 0 : paddingHeight + borderHeight );
+ }
+
+ size.innerWidth = size.width - ( paddingWidth + borderWidth );
+ size.innerHeight = size.height - ( paddingHeight + borderHeight );
+
+ size.outerWidth = size.width + marginWidth;
+ size.outerHeight = size.height + marginHeight;
+
+ return size;
+}
+
+return getSize;
+
+});
+
+/**
+ * EvEmitter v1.0.1
+ * Lil' event emitter
+ * MIT License
+ */
+
+/* jshint unused: true, undef: true, strict: true */
+
+( function( global, factory ) {
+ // universal module definition
+ /* jshint strict: false */ /* globals define, module */
+ 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();
+ }
+
+}( 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 array
+ 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;
+
+}));
+
+/*!
+ * Unidragger v2.1.0
+ * Draggable base class
+ * MIT license
+ */
+
+/*jshint browser: true, unused: true, undef: true, strict: true */
+
+( function( window, factory ) {
+ // universal module definition
+ /*jshint strict: false */ /*globals define, module, require */
+
+ if ( typeof define == 'function' && define.amd ) {
+ // AMD
+ define( 'unidragger/unidragger',[
+ 'unipointer/unipointer'
+ ], function( Unipointer ) {
+ return factory( window, Unipointer );
+ });
+ } else if ( typeof module == 'object' && module.exports ) {
+ // CommonJS
+ module.exports = factory(
+ window,
+ require('unipointer')
+ );
+ } else {
+ // browser global
+ window.Unidragger = factory(
+ window,
+ window.Unipointer
+ );
+ }
+
+}( window, function factory( window, Unipointer ) {
+
+
+
+// ----- ----- //
+
+function noop() {}
+
+// -------------------------- Unidragger -------------------------- //
+
+function Unidragger() {}
+
+// inherit Unipointer & EvEmitter
+var proto = Unidragger.prototype = Object.create( Unipointer.prototype );
+
+// ----- bind start ----- //
+
+proto.bindHandles = function() {
+ this._bindHandles( true );
+};
+
+proto.unbindHandles = function() {
+ this._bindHandles( false );
+};
+
+var navigator = window.navigator;
+/**
+ * works as unbinder, as you can .bindHandles( false ) to unbind
+ * @param {Boolean} isBind - will unbind if falsey
+ */
+proto._bindHandles = function( isBind ) {
+ // munge isBind, default to true
+ isBind = isBind === undefined ? true : !!isBind;
+ // extra bind logic
+ var binderExtra;
+ if ( navigator.pointerEnabled ) {
+ binderExtra = function( handle ) {
+ // disable scrolling on the element
+ handle.style.touchAction = isBind ? 'none' : '';
+ };
+ } else if ( navigator.msPointerEnabled ) {
+ binderExtra = function( handle ) {
+ // disable scrolling on the element
+ handle.style.msTouchAction = isBind ? 'none' : '';
+ };
+ } else {
+ binderExtra = noop;
+ }
+ // bind each handle
+ var bindMethod = isBind ? 'addEventListener' : 'removeEventListener';
+ for ( var i=0; i < this.handles.length; i++ ) {
+ var handle = this.handles[i];
+ this._bindStartEvent( handle, isBind );
+ binderExtra( handle );
+ handle[ bindMethod ]( 'click', this );
+ }
+};
+
+// ----- start event ----- //
+
+/**
+ * pointer start
+ * @param {Event} event
+ * @param {Event or Touch} pointer
+ */
+proto.pointerDown = function( event, pointer ) {
+ // dismiss range sliders
+ if ( event.target.nodeName == 'INPUT' && event.target.type == 'range' ) {
+ // reset pointerDown logic
+ this.isPointerDown = false;
+ delete this.pointerIdentifier;
+ return;
+ }
+
+ this._dragPointerDown( event, pointer );
+ // kludge to blur focused inputs in dragger
+ var focused = document.activeElement;
+ if ( focused && focused.blur ) {
+ focused.blur();
+ }
+ // bind move and end events
+ this._bindPostStartEvents( event );
+ this.emitEvent( 'pointerDown', [ event, pointer ] );
+};
+
+// base pointer down logic
+proto._dragPointerDown = function( event, pointer ) {
+ // track to see when dragging starts
+ this.pointerDownPoint = Unipointer.getPointerPoint( pointer );
+
+ var canPreventDefault = this.canPreventDefaultOnPointerDown( event, pointer );
+ if ( canPreventDefault ) {
+ event.preventDefault();
+ }
+};
+
+// overwriteable method so Flickity can prevent for scrolling
+proto.canPreventDefaultOnPointerDown = function( event ) {
+ // prevent default, unless touchstart or <select>
+ return event.target.nodeName != 'SELECT';
+};
+
+// ----- move event ----- //
+
+/**
+ * drag move
+ * @param {Event} event
+ * @param {Event or Touch} pointer
+ */
+proto.pointerMove = function( event, pointer ) {
+ var moveVector = this._dragPointerMove( event, pointer );
+ this.emitEvent( 'pointerMove', [ event, pointer, moveVector ] );
+ this._dragMove( event, pointer, moveVector );
+};
+
+// base pointer move logic
+proto._dragPointerMove = function( event, pointer ) {
+ var movePoint = Unipointer.getPointerPoint( pointer );
+ var moveVector = {
+ x: movePoint.x - this.pointerDownPoint.x,
+ y: movePoint.y - this.pointerDownPoint.y
+ };
+ // start drag if pointer has moved far enough to start drag
+ if ( !this.isDragging && this.hasDragStarted( moveVector ) ) {
+ this._dragStart( event, pointer );
+ }
+ return moveVector;
+};
+
+// condition if pointer has moved far enough to start drag
+proto.hasDragStarted = function( moveVector ) {
+ return Math.abs( moveVector.x ) > 3 || Math.abs( moveVector.y ) > 3;
+};
+
+
+// ----- end event ----- //
+
+/**
+ * pointer up
+ * @param {Event} event
+ * @param {Event or Touch} pointer
+ */
+proto.pointerUp = function( event, pointer ) {
+ this.emitEvent( 'pointerUp', [ event, pointer ] );
+ this._dragPointerUp( event, pointer );
+};
+
+proto._dragPointerUp = function( event, pointer ) {
+ if ( this.isDragging ) {
+ this._dragEnd( event, pointer );
+ } else {
+ // pointer didn't move enough for drag to start
+ this._staticClick( event, pointer );
+ }
+};
+
+// -------------------------- drag -------------------------- //
+
+// dragStart
+proto._dragStart = function( event, pointer ) {
+ this.isDragging = true;
+ this.dragStartPoint = Unipointer.getPointerPoint( pointer );
+ // prevent clicks
+ this.isPreventingClicks = true;
+
+ this.dragStart( event, pointer );
+};
+
+proto.dragStart = function( event, pointer ) {
+ this.emitEvent( 'dragStart', [ event, pointer ] );
+};
+
+// dragMove
+proto._dragMove = function( event, pointer, moveVector ) {
+ // do not drag if not dragging yet
+ if ( !this.isDragging ) {
+ return;
+ }
+
+ this.dragMove( event, pointer, moveVector );
+};
+
+proto.dragMove = function( event, pointer, moveVector ) {
+ event.preventDefault();
+ this.emitEvent( 'dragMove', [ event, pointer, moveVector ] );
+};
+
+// dragEnd
+proto._dragEnd = function( event, pointer ) {
+ // set flags
+ this.isDragging = false;
+ // re-enable clicking async
+ setTimeout( function() {
+ delete this.isPreventingClicks;
+ }.bind( this ) );
+
+ this.dragEnd( event, pointer );
+};
+
+proto.dragEnd = function( event, pointer ) {
+ this.emitEvent( 'dragEnd', [ event, pointer ] );
+};
+
+// ----- onclick ----- //
+
+// handle all clicks and prevent clicks when dragging
+proto.onclick = function( event ) {
+ if ( this.isPreventingClicks ) {
+ event.preventDefault();
+ }
+};
+
+// ----- staticClick ----- //
+
+// triggered after pointer down & up with no/tiny movement
+proto._staticClick = function( event, pointer ) {
+ // ignore emulated mouse up clicks
+ if ( this.isIgnoringMouseUp && event.type == 'mouseup' ) {
+ return;
+ }
+
+ // allow click in <input>s and <textarea>s
+ var nodeName = event.target.nodeName;
+ if ( nodeName == 'INPUT' || nodeName == 'TEXTAREA' ) {
+ event.target.focus();
+ }
+ this.staticClick( event, pointer );
+
+ // set flag for emulated clicks 300ms after touchend
+ if ( event.type != 'mouseup' ) {
+ this.isIgnoringMouseUp = true;
+ // reset flag after 300ms
+ setTimeout( function() {
+ delete this.isIgnoringMouseUp;
+ }.bind( this ), 400 );
+ }
+};
+
+proto.staticClick = function( event, pointer ) {
+ this.emitEvent( 'staticClick', [ event, pointer ] );
+};
+
+// ----- utils ----- //
+
+Unidragger.getPointerPoint = Unipointer.getPointerPoint;
+
+// ----- ----- //
+
+return Unidragger;
+
+}));
+
+/*!
+ * Draggabilly v2.1.0
+ * Make that shiz draggable
+ * http://draggabilly.desandro.com
+ * MIT license
+ */
+
+/*jshint browser: true, strict: true, undef: true, unused: true */
+
+( function( window, factory ) {
+ // universal module definition
+ /* jshint strict: false */ /*globals define, module, require */
+ if ( typeof define == 'function' && define.amd ) {
+ // AMD
+ define( [
+ 'get-size/get-size',
+ 'unidragger/unidragger'
+ ],
+ function( getSize, Unidragger ) {
+ return factory( window, getSize, Unidragger );
+ });
+ } else if ( typeof module == 'object' && module.exports ) {
+ // CommonJS
+ module.exports = factory(
+ window,
+ require('get-size'),
+ require('unidragger')
+ );
+ } else {
+ // browser global
+ window.Draggabilly = factory(
+ window,
+ window.getSize,
+ window.Unidragger
+ );
+ }
+
+}( window, function factory( window, getSize, Unidragger ) {
+
+
+
+// vars
+var document = window.document;
+
+function noop() {}
+
+// -------------------------- helpers -------------------------- //
+
+// extend objects
+function extend( a, b ) {
+ for ( var prop in b ) {
+ a[ prop ] = b[ prop ];
+ }
+ return a;
+}
+
+function isElement( obj ) {
+ return obj instanceof HTMLElement;
+}
+
+// -------------------------- requestAnimationFrame -------------------------- //
+
+// get rAF, prefixed, if present
+var requestAnimationFrame = window.requestAnimationFrame ||
+ window.webkitRequestAnimationFrame || window.mozRequestAnimationFrame;
+
+// fallback to setTimeout
+var lastTime = 0;
+if ( !requestAnimationFrame ) {
+ requestAnimationFrame = function( callback ) {
+ var currTime = new Date().getTime();
+ var timeToCall = Math.max( 0, 16 - ( currTime - lastTime ) );
+ var id = setTimeout( callback, timeToCall );
+ lastTime = currTime + timeToCall;
+ return id;
+ };
+}
+
+// -------------------------- support -------------------------- //
+
+var docElem = document.documentElement;
+var transformProperty = typeof docElem.style.transform == 'string' ?
+ 'transform' : 'WebkitTransform';
+
+var jQuery = window.jQuery;
+
+// -------------------------- -------------------------- //
+
+function Draggabilly( element, options ) {
+ // querySelector if string
+ this.element = typeof element == 'string' ?
+ document.querySelector( element ) : element;
+
+ if ( jQuery ) {
+ this.$element = jQuery( this.element );
+ }
+
+ // options
+ this.options = extend( {}, this.constructor.defaults );
+ this.option( options );
+
+ this._create();
+}
+
+// inherit Unidragger methods
+var proto = Draggabilly.prototype = Object.create( Unidragger.prototype );
+
+Draggabilly.defaults = {
+};
+
+/**
+ * set options
+ * @param {Object} opts
+ */
+proto.option = function( opts ) {
+ extend( this.options, opts );
+};
+
+proto._create = function() {
+
+ // properties
+ this.position = {};
+ this._getPosition();
+
+ this.startPoint = { x: 0, y: 0 };
+ this.dragPoint = { x: 0, y: 0 };
+
+ this.startPosition = extend( {}, this.position );
+
+ // set relative positioning
+ var style = getComputedStyle( this.element );
+ if ( style.position != 'relative' && style.position != 'absolute' ) {
+ this.element.style.position = 'relative';
+ }
+
+ this.enable();
+ this.setHandles();
+
+};
+
+/**
+ * set this.handles and bind start events to 'em
+ */
+proto.setHandles = function() {
+ this.handles = this.options.handle ?
+ this.element.querySelectorAll( this.options.handle ) : [ this.element ];
+
+ this.bindHandles();
+};
+
+/**
+ * emits events via EvEmitter and jQuery events
+ * @param {String} type - name of event
+ * @param {Event} event - original event
+ * @param {Array} args - extra arguments
+ */
+proto.dispatchEvent = function( type, event, args ) {
+ var emitArgs = [ event ].concat( args );
+ this.emitEvent( type, emitArgs );
+ var jQuery = window.jQuery;
+ // trigger jQuery event
+ if ( jQuery && this.$element ) {
+ if ( event ) {
+ // create jQuery event
+ var $event = jQuery.Event( event );
+ $event.type = type;
+ this.$element.trigger( $event, args );
+ } else {
+ // just trigger with type if no event available
+ this.$element.trigger( type, args );
+ }
+ }
+};
+
+// -------------------------- position -------------------------- //
+
+// get x/y position from style
+Draggabilly.prototype._getPosition = function() {
+ var style = getComputedStyle( this.element );
+ var x = this._getPositionCoord( style.left, 'width' );
+ var y = this._getPositionCoord( style.top, 'height' );
+ // clean up 'auto' or other non-integer values
+ this.position.x = isNaN( x ) ? 0 : x;
+ this.position.y = isNaN( y ) ? 0 : y;
+
+ this._addTransformPosition( style );
+};
+
+Draggabilly.prototype._getPositionCoord = function( styleSide, measure ) {
+ if ( styleSide.indexOf('%') != -1 ) {
+ // convert percent into pixel for Safari, #75
+ var parentSize = getSize( this.element.parentNode );
+ return ( parseFloat( styleSide ) / 100 ) * parentSize[ measure ];
+ }
+
+ return parseInt( styleSide, 10 );
+};
+
+// add transform: translate( x, y ) to position
+proto._addTransformPosition = function( style ) {
+ var transform = style[ transformProperty ];
+ // bail out if value is 'none'
+ if ( transform.indexOf('matrix') !== 0 ) {
+ return;
+ }
+ // split matrix(1, 0, 0, 1, x, y)
+ var matrixValues = transform.split(',');
+ // translate X value is in 12th or 4th position
+ var xIndex = transform.indexOf('matrix3d') === 0 ? 12 : 4;
+ var translateX = parseInt( matrixValues[ xIndex ], 10 );
+ // translate Y value is in 13th or 5th position
+ var translateY = parseInt( matrixValues[ xIndex + 1 ], 10 );
+ this.position.x += translateX;
+ this.position.y += translateY;
+};
+
+// -------------------------- events -------------------------- //
+
+/**
+ * pointer start
+ * @param {Event} event
+ * @param {Event or Touch} pointer
+ */
+proto.pointerDown = function( event, pointer ) {
+ this._dragPointerDown( event, pointer );
+ // kludge to blur focused inputs in dragger
+ var focused = document.activeElement;
+ // do not blur body for IE10, metafizzy/flickity#117
+ if ( focused && focused.blur && focused != document.body ) {
+ focused.blur();
+ }
+ // bind move and end events
+ this._bindPostStartEvents( event );
+ this.element.classList.add('is-pointer-down');
+ this.dispatchEvent( 'pointerDown', event, [ pointer ] );
+};
+
+/**
+ * drag move
+ * @param {Event} event
+ * @param {Event or Touch} pointer
+ */
+proto.pointerMove = function( event, pointer ) {
+ var moveVector = this._dragPointerMove( event, pointer );
+ this.dispatchEvent( 'pointerMove', event, [ pointer, moveVector ] );
+ this._dragMove( event, pointer, moveVector );
+};
+
+/**
+ * drag start
+ * @param {Event} event
+ * @param {Event or Touch} pointer
+ */
+proto.dragStart = function( event, pointer ) {
+ if ( !this.isEnabled ) {
+ return;
+ }
+ this._getPosition();
+ this.measureContainment();
+ // position _when_ drag began
+ this.startPosition.x = this.position.x;
+ this.startPosition.y = this.position.y;
+ // reset left/top style
+ this.setLeftTop();
+
+ this.dragPoint.x = 0;
+ this.dragPoint.y = 0;
+
+ this.element.classList.add('is-dragging');
+ this.dispatchEvent( 'dragStart', event, [ pointer ] );
+ // start animation
+ this.animate();
+};
+
+proto.measureContainment = function() {
+ var containment = this.options.containment;
+ if ( !containment ) {
+ return;
+ }
+
+ // use element if element
+ var container = isElement( containment ) ? containment :
+ // fallback to querySelector if string
+ typeof containment == 'string' ? document.querySelector( containment ) :
+ // otherwise just `true`, use the parent
+ this.element.parentNode;
+
+ var elemSize = getSize( this.element );
+ var containerSize = getSize( container );
+ var elemRect = this.element.getBoundingClientRect();
+ var containerRect = container.getBoundingClientRect();
+
+ var borderSizeX = containerSize.borderLeftWidth + containerSize.borderRightWidth;
+ var borderSizeY = containerSize.borderTopWidth + containerSize.borderBottomWidth;
+
+ var position = this.relativeStartPosition = {
+ x: elemRect.left - ( containerRect.left + containerSize.borderLeftWidth ),
+ y: elemRect.top - ( containerRect.top + containerSize.borderTopWidth )
+ };
+
+ this.containSize = {
+ width: ( containerSize.width - borderSizeX ) - position.x - elemSize.width,
+ height: ( containerSize.height - borderSizeY ) - position.y - elemSize.height
+ };
+};
+
+// ----- move event ----- //
+
+/**
+ * drag move
+ * @param {Event} event
+ * @param {Event or Touch} pointer
+ */
+proto.dragMove = function( event, pointer, moveVector ) {
+ if ( !this.isEnabled ) {
+ return;
+ }
+ var dragX = moveVector.x;
+ var dragY = moveVector.y;
+
+ var grid = this.options.grid;
+ var gridX = grid && grid[0];
+ var gridY = grid && grid[1];
+
+ dragX = applyGrid( dragX, gridX );
+ dragY = applyGrid( dragY, gridY );
+
+ dragX = this.containDrag( 'x', dragX, gridX );
+ dragY = this.containDrag( 'y', dragY, gridY );
+
+ // constrain to axis
+ dragX = this.options.axis == 'y' ? 0 : dragX;
+ dragY = this.options.axis == 'x' ? 0 : dragY;
+
+ this.position.x = this.startPosition.x + dragX;
+ this.position.y = this.startPosition.y + dragY;
+ // set dragPoint properties
+ this.dragPoint.x = dragX;
+ this.dragPoint.y = dragY;
+
+ this.dispatchEvent( 'dragMove', event, [ pointer, moveVector ] );
+};
+
+function applyGrid( value, grid, method ) {
+ method = method || 'round';
+ return grid ? Math[ method ]( value / grid ) * grid : value;
+}
+
+proto.containDrag = function( axis, drag, grid ) {
+ if ( !this.options.containment ) {
+ return drag;
+ }
+ var measure = axis == 'x' ? 'width' : 'height';
+
+ var rel = this.relativeStartPosition[ axis ];
+ var min = applyGrid( -rel, grid, 'ceil' );
+ var max = this.containSize[ measure ];
+ max = applyGrid( max, grid, 'floor' );
+ return Math.min( max, Math.max( min, drag ) );
+};
+
+// ----- end event ----- //
+
+/**
+ * pointer up
+ * @param {Event} event
+ * @param {Event or Touch} pointer
+ */
+proto.pointerUp = function( event, pointer ) {
+ this.element.classList.remove('is-pointer-down');
+ this.dispatchEvent( 'pointerUp', event, [ pointer ] );
+ this._dragPointerUp( event, pointer );
+};
+
+/**
+ * drag end
+ * @param {Event} event
+ * @param {Event or Touch} pointer
+ */
+proto.dragEnd = function( event, pointer ) {
+ if ( !this.isEnabled ) {
+ return;
+ }
+ // use top left position when complete
+ if ( transformProperty ) {
+ this.element.style[ transformProperty ] = '';
+ this.setLeftTop();
+ }
+ this.element.classList.remove('is-dragging');
+ this.dispatchEvent( 'dragEnd', event, [ pointer ] );
+};
+
+// -------------------------- animation -------------------------- //
+
+proto.animate = function() {
+ // only render and animate if dragging
+ if ( !this.isDragging ) {
+ return;
+ }
+
+ this.positionDrag();
+
+ var _this = this;
+ requestAnimationFrame( function animateFrame() {
+ _this.animate();
+ });
+
+};
+
+// left/top positioning
+proto.setLeftTop = function() {
+ this.element.style.left = this.position.x + 'px';
+ this.element.style.top = this.position.y + 'px';
+};
+
+proto.positionDrag = function() {
+ this.element.style[ transformProperty ] = 'translate3d( ' + this.dragPoint.x +
+ 'px, ' + this.dragPoint.y + 'px, 0)';
+};
+
+// ----- staticClick ----- //
+
+proto.staticClick = function( event, pointer ) {
+ this.dispatchEvent( 'staticClick', event, [ pointer ] );
+};
+
+// ----- methods ----- //
+
+proto.enable = function() {
+ this.isEnabled = true;
+};
+
+proto.disable = function() {
+ this.isEnabled = false;
+ if ( this.isDragging ) {
+ this.dragEnd();
+ }
+};
+
+proto.destroy = function() {
+ this.disable();
+ // reset styles
+ this.element.style[ transformProperty ] = '';
+ this.element.style.left = '';
+ this.element.style.top = '';
+ this.element.style.position = '';
+ // unbind handles
+ this.unbindHandles();
+ // remove jQuery data
+ if ( this.$element ) {
+ this.$element.removeData('draggabilly');
+ }
+};
+
+// ----- jQuery bridget ----- //
+
+// required for jQuery bridget
+proto._init = noop;
+
+if ( jQuery && jQuery.bridget ) {
+ jQuery.bridget( 'draggabilly', Draggabilly );
+}
+
+// ----- ----- //
+
+return Draggabilly;
+
+}));
+