livecodingspace-app/public/drivers/view/editor/draggabilly/draggabilly.pkgd.js

/*!
 * Draggabilly PACKAGED v2.2.0
 * Make that shiz draggable
 * https://draggabilly.desandro.com
 * MIT license
 */

/**
 * Bridget makes jQuery widgets
 * v2.0.1
 * 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( 'jquery-bridget/jquery-bridget',[ 'jquery' ], function( jQuery ) {
      return 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 ) {
'use strict';

// ----- 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 ) {
  'use strict';

  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() {
'use strict';

// -------------------------- 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 v1.1.0
 * 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;
  }
  // copy over to avoid interference if .off() in listener
  listeners = listeners.slice(0);
  args = args || [];
  // once stuff
  var onceListeners = this._onceEvents && this._onceEvents[ eventName ];

  for ( var i=0; i < listeners.length; i++ ) {
    var listener = listeners[i]
    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 );
  }

  return this;
};

proto.allOff = function() {
  delete this._events;
  delete this._onceEvents;
};

return EvEmitter;

}));

/*!
 * Unipointer v2.3.0
 * 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 );
};

/**
 * Add or remove start event
 * @param {Boolean} isAdd - remove if falsey
 */
proto._bindStartEvent = function( elem, isAdd ) {
  // munge isAdd, default to true
  isAdd = isAdd === undefined ? true : isAdd;
  var bindMethod = isAdd ? 'addEventListener' : 'removeEventListener';

  // default to mouse events
  var startEvent = 'mousedown';
  if ( window.PointerEvent ) {
    // Pointer Events
    startEvent = 'pointerdown';
  } else if ( 'ontouchstart' in window ) {
    // Touch Events. iOS Safari
    startEvent = 'touchstart';
  }
  elem[ bindMethod ]( startEvent, 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.onpointerdown = function( event ) {
  this._pointerDown( event, event );
};

/**
 * pointer start
 * @param {Event} event
 * @param {Event or Touch} pointer
 */
proto._pointerDown = function( event, pointer ) {
  // dismiss right click and other pointers
  // button = 0 is okay, 1-4 not
  if ( event.button || 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' ],
};

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.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.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() {
  this._pointerReset();
  this._unbindPostStartEvents();
  this.pointerDone();
};

proto._pointerReset = function() {
  // reset properties
  this.isPointerDown = false;
  delete this.pointerIdentifier;
};

proto.pointerDone = noop;

// ----- pointer cancel ----- //

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 v2.3.0
 * 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 ) {



// -------------------------- 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 );
};

/**
 * Add or remove start event
 * @param {Boolean} isAdd
 */
proto._bindHandles = function( isAdd ) {
  // munge isAdd, default to true
  isAdd = isAdd === undefined ? true : isAdd;
  // bind each handle
  var bindMethod = isAdd ? 'addEventListener' : 'removeEventListener';
  var touchAction = isAdd ? this._touchActionValue : '';
  for ( var i=0; i < this.handles.length; i++ ) {
    var handle = this.handles[i];
    this._bindStartEvent( handle, isAdd );
    handle[ bindMethod ]( 'click', this );
    // touch-action: none to override browser touch gestures. metafizzy/flickity#540
    if ( window.PointerEvent ) {
      handle.style.touchAction = touchAction;
    }
  }
};

// prototype so it can be overwriteable by Flickity
proto._touchActionValue = 'none';

// ----- start event ----- //

/**
 * pointer start
 * @param {Event} event
 * @param {Event or Touch} pointer
 */
proto.pointerDown = function( event, pointer ) {
  var isOkay = this.okayPointerDown( event );
  if ( !isOkay ) {
    return;
  }
  // track start event position
  this.pointerDownPointer = pointer;

  event.preventDefault();
  this.pointerDownBlur();
  // bind move and end events
  this._bindPostStartEvents( event );
  this.emitEvent( 'pointerDown', [ event, pointer ] );
};

// nodes that have text fields
var cursorNodes = {
  TEXTAREA: true,
  INPUT: true,
  SELECT: true,
  OPTION: true,
};

// input types that do not have text fields
var clickTypes = {
  radio: true,
  checkbox: true,
  button: true,
  submit: true,
  image: true,
  file: true,
};

// dismiss inputs with text fields. flickity#403, flickity#404
proto.okayPointerDown = function( event ) {
  var isCursorNode = cursorNodes[ event.target.nodeName ];
  var isClickType = clickTypes[ event.target.type ];
  var isOkay = !isCursorNode || isClickType;
  if ( !isOkay ) {
    this._pointerReset();
  }
  return isOkay;
};

// kludge to blur previously focused input
proto.pointerDownBlur = function() {
  var focused = document.activeElement;
  // do not blur body for IE10, metafizzy/flickity#117
  var canBlur = focused && focused.blur && focused != document.body;
  if ( canBlur ) {
    focused.blur();
  }
};

// ----- 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 moveVector = {
    x: pointer.pageX - this.pointerDownPointer.pageX,
    y: pointer.pageY - this.pointerDownPointer.pageY
  };
  // 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;
  // 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;
  }

  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 v2.2.0
 * Make that shiz draggable
 * https://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 ) {



// -------------------------- helpers & variables -------------------------- //

// extend objects
function extend( a, b ) {
  for ( var prop in b ) {
    a[ prop ] = b[ prop ];
  }
  return a;
}

function noop() {}

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 );
};

// css position values that don't need to be set
var positionValues = {
  relative: true,
  absolute: true,
  fixed: true
};

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 ( !positionValues[ style.position ] ) {
    this.element.style.position = 'relative';
  }

  // events, bridge jQuery events from vanilla
  this.on( 'pointerDown', this.onPointerDown );
  this.on( 'pointerMove', this.onPointerMove );
  this.on( 'pointerUp', this.onPointerUp );

  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 );
  this.dispatchJQueryEvent( type, event, args );
};

proto.dispatchJQueryEvent = function( type, event, args ) {
  var jQuery = window.jQuery;
  // trigger jQuery event
  if ( !jQuery || !this.$element ) {
    return;
  }
  // create jQuery event
  var $event = jQuery.Event( event );
  $event.type = type;
  this.$element.trigger( $event, args );
};

// -------------------------- position -------------------------- //

// get x/y position from style
proto._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 );
};

proto._getPositionCoord = function( styleSide, measure ) {
  if ( styleSide.indexOf('%') != -1 ) {
    // convert percent into pixel for Safari, #75
    var parentSize = getSize( this.element.parentNode );
    // prevent not-in-DOM element throwing bug, #131
    return !parentSize ? 0 :
      ( parseFloat( styleSide ) / 100 ) * parentSize[ measure ];
  }
  return parseInt( styleSide, 10 );
};

// add transform: translate( x, y ) to position
proto._addTransformPosition = function( style ) {
  var transform = style.transform;
  // 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 -------------------------- //

proto.onPointerDown = function( event, pointer ) {
  this.element.classList.add('is-pointer-down');
  this.dispatchJQueryEvent( 'pointerDown', event, [ pointer ] );
};

/**
 * 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 container = this.getContainer();
  if ( !container ) {
    return;
  }

  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
  };
};

proto.getContainer = function() {
  var containment = this.options.containment;
  if ( !containment ) {
    return;
  }
  var isElement = containment instanceof HTMLElement;
  // use as element
  if ( isElement ) {
    return containment;
  }
  // querySelector if string
  if ( typeof containment == 'string' ) {
    return document.querySelector( containment );
  }
  // fallback to parent element
  return this.element.parentNode;
};

// ----- move event ----- //

proto.onPointerMove = function( event, pointer, moveVector ) {
  this.dispatchJQueryEvent( 'pointerMove', event, [ pointer, moveVector ] );
};

/**
 * 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.max( min, Math.min( max, drag ) );
};

// ----- end event ----- //

/**
 * pointer up
 * @param {Event} event
 * @param {Event or Touch} pointer
 */
proto.onPointerUp = function( event, pointer ) {
  this.element.classList.remove('is-pointer-down');
  this.dispatchJQueryEvent( 'pointerUp', 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
  this.element.style.transform = '';
  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.transform = 'translate3d( ' + this.dragPoint.x +
    'px, ' + this.dragPoint.y + 'px, 0)';
};

// ----- staticClick ----- //

proto.staticClick = function( event, pointer ) {
  this.dispatchEvent( 'staticClick', event, [ pointer ] );
};

// ----- methods ----- //

/**
 * @param {Number} x
 * @param {Number} y
 */
proto.setPosition = function( x, y ) {
  this.position.x = x;
  this.position.y = y;
  this.setLeftTop();
};

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.transform = '';
  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;

}));