-
+
diff --git a/js/drag_drop_touch.js b/js/drag_drop_touch.js
new file mode 100644
index 0000000..4cf6cb7
--- /dev/null
+++ b/js/drag_drop_touch.js
@@ -0,0 +1,8 @@
+/*
+ DragDropTouch by Bernardo Castilho
+ https://github.com/Bernardo-Castilho/dragdroptouch
+ MIT License
+
+ Note: it only works on a real phone for some reason, it doesn't work on desktop browser simulations of phones for some reason.
+*/
+var DragDropTouch;!function(t){"use strict";var e=function(){function t(){this._dropEffect="move",this._effectAllowed="all",this._data={}}return Object.defineProperty(t.prototype,"dropEffect",{get:function(){return this._dropEffect},set:function(t){this._dropEffect=t},enumerable:!0,configurable:!0}),Object.defineProperty(t.prototype,"effectAllowed",{get:function(){return this._effectAllowed},set:function(t){this._effectAllowed=t},enumerable:!0,configurable:!0}),Object.defineProperty(t.prototype,"types",{get:function(){return Object.keys(this._data)},enumerable:!0,configurable:!0}),t.prototype.clearData=function(t){null!=t?delete this._data[t.toLowerCase()]:this._data={}},t.prototype.getData=function(t){return this._data[t.toLowerCase()]||""},t.prototype.setData=function(t,e){this._data[t.toLowerCase()]=e},t.prototype.setDragImage=function(t,e,s){var o=i._instance;o._imgCustom=t,o._imgOffset={x:e,y:s}},t}();t.DataTransfer=e;var i=function(){function t(){if(this._lastClick=0,t._instance)throw"DragDropTouch instance already created.";var e=!1;if(document.addEventListener("test",function(){},{get passive(){return e=!0,!0}}),navigator.maxTouchPoints){var i=document,s=this._touchstart.bind(this),o=this._touchmove.bind(this),n=this._touchend.bind(this),r=!!e&&{passive:!1,capture:!1};i.addEventListener("touchstart",s,r),i.addEventListener("touchmove",o,r),i.addEventListener("touchend",n),i.addEventListener("touchcancel",n)}}return t.getInstance=function(){return t._instance},t.prototype._touchstart=function(e){var i=this;if(this._shouldHandle(e)){if(Date.now()-this._lastClick
t._PRESSHOLDMARGIN},t.prototype._shouldStartDragging=function(e){var i=this._getDelta(e);return i>t._THRESHOLD||t._ISPRESSHOLDMODE&&i>=t._PRESSHOLDTHRESHOLD},t.prototype._reset=function(){this._destroyImage(),this._dragSource=null,this._lastTouch=null,this._lastTarget=null,this._ptDown=null,this._isDragEnabled=!1,this._isDropZone=!1,this._dataTransfer=new e,clearInterval(this._pressHoldInterval)},t.prototype._getPoint=function(t,e){return t&&t.touches&&(t=t.touches[0]),{x:e?t.pageX:t.clientX,y:e?t.pageY:t.clientY}},t.prototype._getDelta=function(e){if(t._ISPRESSHOLDMODE&&!this._ptDown)return 0;var i=this._getPoint(e);return Math.abs(i.x-this._ptDown.x)+Math.abs(i.y-this._ptDown.y)},t.prototype._getTarget=function(t){for(var e=this._getPoint(t),i=document.elementFromPoint(e.x,e.y);i&&"none"==getComputedStyle(i).pointerEvents;)i=i.parentElement;return i},t.prototype._createImage=function(e){this._img&&this._destroyImage();var i=this._imgCustom||this._dragSource;if(this._img=i.cloneNode(!0),this._copyStyle(i,this._img),this._img.style.top=this._img.style.left="-9999px",!this._imgCustom){var s=i.getBoundingClientRect(),o=this._getPoint(e);this._imgOffset={x:o.x-s.left,y:o.y-s.top},this._img.style.opacity=t._OPACITY.toString()}this._moveImage(e),document.body.appendChild(this._img)},t.prototype._destroyImage=function(){this._img&&this._img.parentElement&&this._img.parentElement.removeChild(this._img),this._img=null,this._imgCustom=null},t.prototype._moveImage=function(t){var e=this;requestAnimationFrame(function(){if(e._img){var i=e._getPoint(t,!0),s=e._img.style;s.position="absolute",s.pointerEvents="none",s.zIndex="999999",s.left=Math.round(i.x-e._imgOffset.x)+"px",s.top=Math.round(i.y-e._imgOffset.y)+"px"}})},t.prototype._copyProps=function(t,e,i){for(var s=0;s