swingdrag/dist/src/jquery.ui.swingdrag.min.js

A nice swing effect for the jQuery UI drag function.

!function(t){function e(o){if(n[o])return n[o].exports;var i=n[o]={exports:{},id:o,loaded:!1};return t[o].call(i.exports,i,i.exports,e),i.loaded=!0,i.exports}var n={};e.m=t,e.c=n,e.p="",e(0)}([function(t,e,n){"use strict";Object.defineProperty(e,"__esModule",{value:!0}),(new(n(1).SwingDragPlugIn)).register()},function(t,e,n){"use strict";Object.defineProperty(e,"__esModule",{value:!0});var o=n(2),i=n(3),a=n(4),s=function(){function t(t){this.plugInName="ui.swingdrag",this.swingDragOptions=t,this.swingDragOptions||(this.swingDragOptions=new o.SwingDragOptions),this.updateCurrentDragVectorIntervalMS=1e3/30}return t.prototype.destroy=function(){if($&&$.Widget&&($.Widget.prototype.destroy.call(this),this.element)){var t=$(this.element);t.draggable("destroy"),this.disableSwing(t),this.disableSwingDragShadow(t),t.removeClass("dragging"),$(this.element).css({transform:""})}},t.prototype.register=function(){$.widget(this.plugInName,this)},t.prototype.enableSwing=function(t){t.addClass("swingdrag")},t.prototype.disableSwing=function(t){t.removeClass("swingdrag")},t.prototype.enableSwingDragShadow=function(t){t.addClass("shadow")},t.prototype.disableSwingDragShadow=function(t){t.removeClass("shadow")},t.prototype.updateElementTransform=function(t,e,n){t.css({transform:"rotate("+e+"deg) scale("+n+")"})},t.prototype._create=function(){var t=this,e=$(this.element);this.initOptions(),this.enableSwing(e);var n,o,s=new i.Vector2D,r=new i.Vector2D,g=new i.Vector2D,p=function(){var n=e.position();s.x=n.left,s.y=n.top,g.x=s.x-r.x,g.y=s.y-r.y;var i=Math.abs(g.x)/t.updateCurrentDragVectorIntervalMS;i*=t.swingDragOptions.speedInfluenceFactor,o=a.MathUtils.mapInterval(i,0,5,0,t.swingDragOptions.maxRotationAngleDeg),o*=g.x>0?1:-1,t.updateElementTransform(e,o,t.swingDragOptions.pickUpScaleFactor),r.x=s.x,r.y=s.y};e.on("dragstart",function(i){e.addClass("dragging"),t.swingDragOptions.showShadow&&t.enableSwingDragShadow(e),s.x=e.position().left,s.y=e.position().top,o=Math.abs(t.swingDragOptions.maxRotationAngleDeg),n=setInterval(p,t.updateCurrentDragVectorIntervalMS)}),e.on("dragstop",function(o){e.removeClass("dragging"),n&&clearInterval(n),t.disableSwingDragShadow(e),t.updateElementTransform(e,0,1)}),e.data("draggable")||e.draggable()},t.prototype.initOptions=function(){this.swingDragOptions=new o.SwingDragOptions,(this.options.rotationAngleDeg||0===this.options.rotationAngleDeg)&&(this.swingDragOptions.maxRotationAngleDeg=this.options.rotationAngleDeg),(this.options.maxRotationAngleDeg||0===this.options.maxRotationAngleDeg)&&(this.swingDragOptions.maxRotationAngleDeg=this.options.maxRotationAngleDeg),void 0!==this.options.showShadow&&(this.swingDragOptions.showShadow=this.options.showShadow),(this.options.pickUpScaleFactor||0===this.options.pickUpScaleFactor)&&(this.swingDragOptions.pickUpScaleFactor=this.options.pickUpScaleFactor),(this.options.speedInfluenceFactor||0===this.options.speedInfluenceFactor)&&(this.swingDragOptions.speedInfluenceFactor=this.options.speedInfluenceFactor)},t.prototype._setOption=function(t,e){switch($.Widget.prototype._setOption.apply(this,arguments),t){case"rotationAngleDeg":case"maxRotationAngleDeg":this.swingDragOptions.maxRotationAngleDeg=e;break;case"showShadow":this.swingDragOptions.showShadow=e;break;case"pickUpScaleFactor":this.swingDragOptions.pickUpScaleFactor=e;break;case"speedInfluenceFactor":this.swingDragOptions.speedInfluenceFactor=e}},t}();e.SwingDragPlugIn=s},function(t,e){"use strict";Object.defineProperty(e,"__esModule",{value:!0});var n=function(){function t(){this.maxRotationAngleDeg=20,this.showShadow=!0,this.pickUpScaleFactor=1.1,this.speedInfluenceFactor=2}return t}();e.SwingDragOptions=n},function(t,e){"use strict";Object.defineProperty(e,"__esModule",{value:!0});var n=function(){function t(){this.x=0,this.y=0}return t}();e.Vector2D=n},function(t,e){"use strict";Object.defineProperty(e,"__esModule",{value:!0});var n=function(){function t(){}return t.mapInterval=function(e,n,o,i,a){return i+(a-i)/(o-n)*(t.clamp(e,n,o)-n)},t.clamp=function(t,e,n){return Math.min(Math.max(t,e),n)},t}();e.MathUtils=n}]);