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/* interact.js v1.2.6 | https://raw.github.com/taye/interact.js/master/LICENSE */ (function(F){function ma(){}function t(a){if(!a||"object"!==typeof a)return!1;var b=V(a)||q;return/object|function/.test(typeof b.Element)?a instanceof b.Element:1===a.nodeType&&"string"===typeof a.nodeName}function Ba(a){return a===q||!(!a||!a.Window)&&a instanceof a.Window}function da(a){return z(a)&&void 0!==typeof a.length&&A(a.splice)}function z(a){return!!a&&"object"===typeof a}function A(a){return"function"===typeof a}function K(a){return"number"===typeof a}function H(a){return"boolean"===
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(b[0]=a.touches[0],b[1]=a.touches[1]);return b}function Ya(a){for(var b={pageX:0,pageY:0,clientX:0,clientY:0,screenX:0,screenY:0},c,d=0;db?d+=360+d/360|0:-135>b&&(d+=180+d/360|0));return d}function na(a,b){var c=a?a.options.origin:D.origin;"parent"===c?c=L(b):"self"===c?c=a.getRect(b):ea(c)&&(c=Ka(b,c)||{x:0,y:0});A(c)&&(c=c(a&&b));t(c)&&(c=ua(c));c.x="x"in c?c.x:c.left;c.y="y"in
c?c.y:c.top;return c}function Za(a,b,c,d){var e=1-a;return e*e*b+2*e*a*c+a*a*d}function Y(a,b){for(;b;){if(b===a)return!0;b=b.parentNode}return!1}function Ka(a,b){for(var c=L(a);t(c);){if(R(c,b))return c;c=L(c)}return null}function L(a){if((a=a.parentNode)&&a instanceof $a)for(;(a=a.host)&&a&&a instanceof $a;);return a}function va(a,b){return a._context===b.ownerDocument||Y(a._context,b)}function Z(a,b,c){return(a=a.options.ignoreFrom)&&t(c)?N(a)?La(c,a,b):t(a)?Y(a,c):!1:!1}function aa(a,b,c){return(a=
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locked:y.locked,x:y.snappedX,y:y.snappedY,realX:y.realX,realY:y.realY,dx:y.dx,dy:y.dy},y.locked&&(g.x+=y.dx,g.y+=y.dy,f.x+=y.dx,f.y+=y.dy));!Na(k,c)||m&&ia[c].restrict.elementRect||!n.restricted||(g.x+=n.dx,g.y+=n.dy,f.x+=n.dx,f.y+=n.dy,this.restrict={dx:n.dx,dy:n.dy});this.pageX=g.x;this.pageY=g.y;this.clientX=f.x;this.clientY=f.y;this.x0=a.startCoords.page.x-w.x;this.y0=a.startCoords.page.y-w.y;this.clientX0=a.startCoords.client.x-w.x;this.clientY0=a.startCoords.client.y-w.y;this.ctrlKey=b.ctrlKey;
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this.da=this.angle-a.gesture.prevAngle));m?(this.timeStamp=a.downTimes[0],this.velocityY=this.velocityX=this.speed=this.duration=this.dt=0):"inertiastart"===d?(this.timeStamp=a.prevEvent.timeStamp,this.dt=a.prevEvent.dt,this.duration=a.prevEvent.duration,this.speed=a.prevEvent.speed,this.velocityX=a.prevEvent.velocityX,this.velocityY=a.prevEvent.velocityY):(this.timeStamp=(new Date).getTime(),this.dt=this.timeStamp-a.prevEvent.timeStamp,this.duration=this.timeStamp-a.downTimes[0],b instanceof G?(b=
this[eb]-a.prevEvent[eb],l=this[l]-a.prevEvent[l],c=this.dt/1E3,this.speed=fa(b,l)/c,this.velocityX=b/c,this.velocityY=l/c):(this.speed=a.pointerDelta[E].speed,this.velocityX=a.pointerDelta[E].vx,this.velocityY=a.pointerDelta[E].vy));(p||"inertiastart"===d)&&600this.timeStamp-a.prevEvent.timeStamp&&(d=180*Math.atan2(a.prevEvent.velocityY,a.prevEvent.velocityX)/Math.PI,0>d&&(d+=360),p=112.5<=d&&247.5>d,l=202.5<=d&&337.5>d,this.swipe={up:l,down:!l&&22.5<=d&&157.5>d,left:p,right:!p&&
(292.5<=d||67.5>d),angle:d,speed:a.prevEvent.speed,velocity:{x:a.prevEvent.velocityX,y:a.prevEvent.velocityY}})}function fb(){this.originalEvent.preventDefault()}function gb(a){var b="";"drag"===a.name&&(b=za.drag);if("resize"===a.name)if(a.axis)b=za[a.name+a.axis];else if(a.edges){for(var b="resize",c=["top","bottom","left","right"],d=0;4>d;d++)a.edges[c[d]]&&(b+=c[d]);b=za[b]}return b}function hb(a,b,c){a=this.getRect(c);var d=!1,e=null,h=null,f,g=x({},b.curCoords.page),e=this.options;if(!a)return null;
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function W(a,b){if(!z(a))return null;var c=a.name,d=b.options;return("resize"===c&&d.resize.enabled||"drag"===c&&d.drag.enabled||"gesture"===c&&d.gesture.enabled)&&S[c]?a:null}function qa(a,b){var c={},d=P[a.type],e=Ea(a.path?a.path[0]:a.target),h=e;b=b?!0:!1;for(var f in a)c[f]=a[f];c.originalEvent=a;for(c.preventDefault=fb;t(h);){for(f=0;fthis.pointerIds.length&&(f=null),this.prepared.name=f.name,this.prepared.axis=f.axis,this.prepared.edges=f.edges,this.snapStatus.snappedX=this.snapStatus.snappedY=this.restrictStatus.restrictedX=this.restrictStatus.restrictedY=NaN,this.downTimes[h]=(new Date).getTime(),this.downTargets[h]=c,ra(this.downPointer,a),sa(this.prevCoords,this.startCoords),this.pointerWasMoved=!1,this.checkAndPreventDefault(b,g,this.element)))}},setModifications:function(a,
b){var c=this.target,d=!0,e=Ma(c,this.prepared.name)&&(!c.options[this.prepared.name].snap.endOnly||b),c=Na(c,this.prepared.name)&&(!c.options[this.prepared.name].restrict.endOnly||b);e?this.setSnapping(a):this.snapStatus.locked=!1;c?this.setRestriction(a):this.restrictStatus.restricted=!1;e&&this.snapStatus.locked&&!this.snapStatus.changed?d=c&&this.restrictStatus.restricted&&this.restrictStatus.changed:c&&this.restrictStatus.restricted&&!this.restrictStatus.changed&&(d=!1);return d},setStartOffsets:function(a,
b,c){a=b.getRect(c);var d=na(b,c);c=b.options[this.prepared.name].snap;b=b.options[this.prepared.name].restrict;var e,h;a?(this.startOffset.left=this.startCoords.page.x-a.left,this.startOffset.top=this.startCoords.page.y-a.top,this.startOffset.right=a.right-this.startCoords.page.x,this.startOffset.bottom=a.bottom-this.startCoords.page.y,e="width"in a?a.width:a.right-a.left,h="height"in a?a.height:a.bottom-a.top):this.startOffset.left=this.startOffset.top=this.startOffset.right=this.startOffset.bottom=
0;this.snapOffsets.splice(0);d=c&&"startCoords"===c.offset?{x:this.startCoords.page.x-d.x,y:this.startCoords.page.y-d.y}:c&&c.offset||{x:0,y:0};if(a&&c&&c.relativePoints&&c.relativePoints.length)for(var f=0;fQa);d||this.pointerIsDown&&!this.pointerWasMoved||(this.pointerIsDown&&clearTimeout(this.holdTimers[h]),this.collectEventTargets(a,b,c,"move"));if(this.pointerIsDown)if(d&&this.pointerWasMoved&&!e)this.checkAndPreventDefault(b,this.target,this.element);else if(Ta(this.pointerDelta,this.prevCoords,this.curCoords),this.prepared.name){if(this.pointerWasMoved&&(!this.inertiaStatus.active||a instanceof G&&/inertiastart/.test(a.type))){if(!this.interacting()&&(Ta(this.pointerDelta,
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return a},gestureStart:function(a){a=new G(this,a,"gesture","start",this.element);a.ds=0;this.gesture.startDistance=this.gesture.prevDistance=a.distance;this.gesture.startAngle=this.gesture.prevAngle=a.angle;this.gesture.scale=1;this.gesturing=!0;this.target.fire(a);return a},gestureMove:function(a){if(!this.pointerIds.length)return this.prevEvent;a=new G(this,a,"gesture","move",this.element);a.ds=a.scale-this.gesture.scale;this.target.fire(a);this.gesture.prevAngle=a.angle;this.gesture.prevDistance=
a.distance;Infinity===a.scale||null===a.scale||void 0===a.scale||isNaN(a.scale)||(this.gesture.scale=a.scale);return a},pointerHold:function(a,b,c){this.collectEventTargets(a,b,c,"hold")},pointerUp:function(a,b,c,d){var e=this.mouse?0:v(this.pointerIds,O(a));clearTimeout(this.holdTimers[e]);this.collectEventTargets(a,b,c,"up");this.collectEventTargets(a,b,c,"tap");this.pointerEnd(a,b,c,d);this.removePointer(a)},pointerCancel:function(a,b,c,d){var e=this.mouse?0:v(this.pointerIds,O(a));clearTimeout(this.holdTimers[e]);
this.collectEventTargets(a,b,c,"cancel");this.pointerEnd(a,b,c,d);this.removePointer(a)},ie8Dblclick:function(a,b,c){this.prevTap&&b.clientX===this.prevTap.clientX&&b.clientY===this.prevTap.clientY&&c===this.prevTap.target&&(this.downTargets[0]=c,this.downTimes[0]=(new Date).getTime(),this.collectEventTargets(a,b,c,"tap"))},pointerEnd:function(a,b,c,d){var e,h=this.target,f=h&&h.options,g=f&&this.prepared.name&&f[this.prepared.name].inertia;e=this.inertiaStatus;if(this.interacting()){if(e.active&&
!e.ending)return;var k=(new Date).getTime(),l=!1,m=!1,n=!1,p=Ma(h,this.prepared.name)&&f[this.prepared.name].snap.endOnly,q=Na(h,this.prepared.name)&&f[this.prepared.name].restrict.endOnly,r=0,t=0,f=this.dragging?"x"===f.drag.axis?Math.abs(this.pointerDelta.client.vx):"y"===f.drag.axis?Math.abs(this.pointerDelta.client.vy):this.pointerDelta.client.speed:this.pointerDelta.client.speed,m=(l=g&&g.enabled&&"gesture"!==this.prepared.name&&b!==e.startEvent)&&50>k-this.curCoords.timeStamp&&f>g.minSpeed&&
f>g.endSpeed;l&&!m&&(p||q)&&(g={},g.snap=g.restrict=g,p&&(this.setSnapping(this.curCoords.page,g),g.locked&&(r+=g.dx,t+=g.dy)),q&&(this.setRestriction(this.curCoords.page,g),g.restricted&&(r+=g.dx,t+=g.dy)),r||t)&&(n=!0);if(m||n){sa(e.upCoords,this.curCoords);this.pointers[0]=e.startEvent=new G(this,b,this.prepared.name,"inertiastart",this.element);e.t0=k;h.fire(e.startEvent);m?(e.vx0=this.pointerDelta.client.vx,e.vy0=this.pointerDelta.client.vy,e.v0=f,this.calcInertia(e),b=x({},this.curCoords.page),
h=na(h,this.element),b.x=b.x+e.xe-h.x,b.y=b.y+e.ye-h.y,h={useStatusXY:!0,x:b.x,y:b.y,dx:0,dy:0,snap:null},h.snap=h,r=t=0,p&&(b=this.setSnapping(this.curCoords.page,h),b.locked&&(r+=b.dx,t+=b.dy)),q&&(h=this.setRestriction(this.curCoords.page,h),h.restricted&&(r+=h.dx,t+=h.dy)),e.modifiedXe+=r,e.modifiedYe+=t,e.i=T(this.boundInertiaFrame)):(e.smoothEnd=!0,e.xe=r,e.ye=t,e.sx=e.sy=0,e.i=T(this.boundSmoothEndFrame));e.active=!0;return}(p||q)&&this.pointerMove(a,b,c,d,!0)}this.dragging?(e=new G(this,b,
"drag","end",this.element),q=this.getDrop(e,b,this.element),this.dropTarget=q.dropzone,this.dropElement=q.element,q=this.getDropEvents(b,e),q.leave&&this.prevDropTarget.fire(q.leave),q.enter&&this.dropTarget.fire(q.enter),q.drop&&this.dropTarget.fire(q.drop),q.deactivate&&this.fireActiveDrops(q.deactivate),h.fire(e)):this.resizing?(e=new G(this,b,"resize","end",this.element),h.fire(e)):this.gesturing&&(e=new G(this,b,"gesture","end",this.element),h.fire(e));this.stop(b)},collectDrops:function(a){var b=
[],c=[],d;a=a||this.element;for(d=0;dk),g["double"]=l,this.tapTime=g.timeStamp);for(a=0;ah.innerWidth-p.margin,
a=a.clientY>h.innerHeight-p.margin):(h=Fa(h),d=a.clientXh.right-p.margin,a=a.clientY>h.bottom-p.margin);p.x=c?1:d?-1:0;p.y=a?1:b?-1:0;p.isScrolling||(p.margin=e.margin,p.speed=e.speed,p.start(this))}},_updateEventTargets:function(a,b){this._eventTarget=a;this._curEventTarget=b}};G.prototype={preventDefault:ma,stopImmediatePropagation:function(){this.immediatePropagationStopped=this.propagationStopped=!0},stopPropagation:function(){this.propagationStopped=
!0}};for(var m={},lb="dragStart dragMove resizeStart resizeMove gestureStart gestureMove pointerOver pointerOut pointerHover selectorDown pointerDown pointerMove pointerUp pointerCancel pointerEnd addPointer removePointer recordPointer autoScrollMove".split(" "),Ra=0,Sa=lb.length;Rah.left&&k.xh.top&&k.y=h.left&&f<=h.right&&l>=h.top&&l<=h.bottom;K(g)&&(f=Math.max(0,Math.min(h.right,k.right)-Math.max(h.left,k.left))*Math.max(0,Math.min(h.bottom,k.bottom)-Math.max(h.top,k.top))/(k.width*k.height)>=g);this.options.drop.checker&&(f=this.options.drop.checker(a,b,f,this,e,c,d));return f},dropChecker:function(a){return A(a)?(this.options.drop.checker=a,this):
null===a?(delete this.options.getRect,this):this.options.drop.checker},accept:function(a){return t(a)||ea(a)?(this.options.drop.accept=a,this):null===a?(delete this.options.drop.accept,this):this.options.drop.accept},resizable:function(a){return z(a)?(this.options.resize.enabled=!1===a.enabled?!1:!0,this.setPerAction("resize",a),this.setOnEvents("resize",a),/^x$|^y$|^xy$/.test(a.axis)?this.options.resize.axis=a.axis:null===a.axis&&(this.options.resize.axis=D.resize.axis),H(a.preserveAspectRatio)?
this.options.resize.preserveAspectRatio=a.preserveAspectRatio:H(a.square)&&(this.options.resize.square=a.square),this):H(a)?(this.options.resize.enabled=a,this):this.options.resize},squareResize:function(a){return H(a)?(this.options.resize.square=a,this):null===a?(delete this.options.resize.square,this):this.options.resize.square},gesturable:function(a){return z(a)?(this.options.gesture.enabled=!1===a.enabled?!1:!0,this.setPerAction("gesture",a),this.setOnEvents("gesture",a),this):H(a)?(this.options.gesture.enabled=
a,this):this.options.gesture},autoScroll:function(a){z(a)?a=x({actions:["drag","resize"]},a):H(a)&&(a={actions:["drag","resize"],enabled:a});return this.setOptions("autoScroll",a)},snap:function(a){a=this.setOptions("snap",a);return a===this?this:a.drag},setOptions:function(a,b){var c=b&&da(b.actions)?b.actions:["drag"],d;if(z(b)||H(b)){for(d=0;d