Current File : //home/tradevaly/www/node_modules/svg.draggable.js/dist/svg.draggable.min.js

/*! svg.draggable.js - v2.2.2 - 2019-01-08
* https://github.com/svgdotjs/svg.draggable.js
* Copyright (c) 2019 Wout Fierens; Licensed MIT */
(function(){function a(a){a.remember("_draggable",this),this.el=a}a.prototype.init=function(a,b){var c=this;this.constraint=a,this.value=b,this.el.on("mousedown.drag",function(a){c.start(a)}),this.el.on("touchstart.drag",function(a){c.start(a)})},a.prototype.transformPoint=function(a,b){a=a||window.event;var c=a.changedTouches&&a.changedTouches[0]||a;return this.p.x=c.clientX-(b||0),this.p.y=c.clientY,this.p.matrixTransform(this.m)},a.prototype.getBBox=function(){var a=this.el.bbox();return this.el instanceof SVG.Nested&&(a=this.el.rbox()),(this.el instanceof SVG.G||this.el instanceof SVG.Use||this.el instanceof SVG.Nested)&&(a.x=this.el.x(),a.y=this.el.y()),a},a.prototype.start=function(a){if("click"!=a.type&&"mousedown"!=a.type&&"mousemove"!=a.type||1==(a.which||a.buttons)){var b=this;if(this.el.fire("beforedrag",{event:a,handler:this}),!this.el.event().defaultPrevented){a.preventDefault(),a.stopPropagation(),this.parent=this.parent||this.el.parent(SVG.Nested)||this.el.parent(SVG.Doc),this.p=this.parent.node.createSVGPoint(),this.m=this.el.node.getScreenCTM().inverse();var c,d=this.getBBox();if(this.el instanceof SVG.Text)switch(c=this.el.node.getComputedTextLength(),this.el.attr("text-anchor")){case"middle":c/=2;break;case"start":c=0}this.startPoints={point:this.transformPoint(a,c),box:d,transform:this.el.transform()},SVG.on(window,"mousemove.drag",function(a){b.drag(a)}),SVG.on(window,"touchmove.drag",function(a){b.drag(a)}),SVG.on(window,"mouseup.drag",function(a){b.end(a)}),SVG.on(window,"touchend.drag",function(a){b.end(a)}),this.el.fire("dragstart",{event:a,p:this.startPoints.point,m:this.m,handler:this})}}},a.prototype.drag=function(a){var b=this.getBBox(),c=this.transformPoint(a),d=this.startPoints.box.x+c.x-this.startPoints.point.x,e=this.startPoints.box.y+c.y-this.startPoints.point.y,f=this.constraint,g=c.x-this.startPoints.point.x,h=c.y-this.startPoints.point.y;if(this.el.fire("dragmove",{event:a,p:c,m:this.m,handler:this}),this.el.event().defaultPrevented)return c;if("function"==typeof f){var i=f.call(this.el,d,e,this.m);"boolean"==typeof i&&(i={x:i,y:i}),i.x===!0?this.el.x(d):i.x!==!1&&this.el.x(i.x),i.y===!0?this.el.y(e):i.y!==!1&&this.el.y(i.y)}else"object"==typeof f&&(null!=f.minX&&d<f.minX?(d=f.minX,g=d-this.startPoints.box.x):null!=f.maxX&&d>f.maxX-b.width&&(d=f.maxX-b.width,g=d-this.startPoints.box.x),null!=f.minY&&e<f.minY?(e=f.minY,h=e-this.startPoints.box.y):null!=f.maxY&&e>f.maxY-b.height&&(e=f.maxY-b.height,h=e-this.startPoints.box.y),null!=f.snapToGrid&&(d-=d%f.snapToGrid,e-=e%f.snapToGrid,g-=g%f.snapToGrid,h-=h%f.snapToGrid),this.el instanceof SVG.G?this.el.matrix(this.startPoints.transform).transform({x:g,y:h},!0):this.el.move(d,e));return c},a.prototype.end=function(a){var b=this.drag(a);this.el.fire("dragend",{event:a,p:b,m:this.m,handler:this}),SVG.off(window,"mousemove.drag"),SVG.off(window,"touchmove.drag"),SVG.off(window,"mouseup.drag"),SVG.off(window,"touchend.drag")},SVG.extend(SVG.Element,{draggable:function(b,c){("function"==typeof b||"object"==typeof b)&&(c=b,b=!0);var d=this.remember("_draggable")||new a(this);return b="undefined"==typeof b?!0:b,b?d.init(c||{},b):(this.off("mousedown.drag"),this.off("touchstart.drag")),this}})}).call(this);