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y(e,t){return-1!==e.indexOf(t)||-1!==(e=(t.__depends__||[]).reduce(y,e)).indexOf(t)?e:e.concat(t)}this.get=s,this.invoke=p,this.instantiate=c,this.createChild=h,this.init=function(e){const t=e.reduce(y,[]).map(d);let n=!1;return function(){n||(n=!0,t.forEach((e=>e())))}}(e)}function Ki(e,t){return"value"!==e&&ji(t)&&(t=Vi(t.slice())),t}function qi(e,t){X.call(this,e,1),this.CONNECTION_STYLE=t.style(["no-fill"],{strokeWidth:5,stroke:"fuchsia"}),this.SHAPE_STYLE=t.style({fill:"white",stroke:"fuchsia",strokeWidth:2}),this.FRAME_STYLE=t.style(["no-fill"],{stroke:"fuchsia",strokeDasharray:4,strokeWidth:2})}u(qi,X),qi.prototype.canRender=function(){return!0},qi.prototype.drawShape=function(e,t,n){var i=_e("rect");return me(i,{x:0,y:0,width:t.width||0,height:t.height||0}),Yn(t)?me(i,q({},this.FRAME_STYLE,n||{})):me(i,q({},this.SHAPE_STYLE,n||{})),ue(e,i),i},qi.prototype.drawConnection=function(e,t,n){var i=ze(t.waypoints,q({},this.CONNECTION_STYLE,n||{}));return ue(e,i),i},qi.prototype.getShapePath=function(e){var t=e.x,n=e.y,i=e.width;return Ie([["M",t,n],["l",i,0],["l",0,e.height],["l",-i,0],["z"]])},qi.prototype.getConnectionPath=function(e){var t,n,i=e.waypoints,r=[];for(t=0;n=i[t];t++)n=n.original||n,r.push([0===t?"M":"L",n.x,n.y]);return Ie(r)},qi.$inject=["eventBus","styles"];const Ui={__init__:["defaultRenderer"],defaultRenderer:["type",qi],styles:["type",function(){var e={"no-fill":{fill:"none"},"no-border":{strokeOpacity:0},"no-events":{pointerEvents:"none"}},t=this;this.cls=function(e,t,n){return q(this.style(t,n),{class:e})},this.style=function(t,n){v(t)||n||(n=t,t=[]);var i=k(t,(function(t,n){return q(t,e[n]||{})}),{});return n?q(i,n):i},this.computeStyle=function(e,n,i){return v(n)||(i=n,n=[]),t.style(n||[],q({},i,e||{}))}}]};function Yi(e,t){if(!e||!t)return-1;var n=e.indexOf(t);return-1!==n&&e.splice(n,1),n}function Xi(e,t,n){if(e&&t){"number"!=typeof n&&(n=-1);var i=e.indexOf(t);if(-1!==i){if(i===n)return;if(-1===n)return;e.splice(i,1)}-1!==n?e.splice(n,0,t):e.push(t)}}function Zi(e,t){return e&&t?e.indexOf(t):-1}function Qi(e,t){return Math.round(e*t)/t}function Ji(e){return b(e)?e+"px":e}function er(e,t,n){const i=_e("g");ye(i).add(t);const r=void 0!==n?n:e.childNodes.length-1;return e.insertBefore(i,e.childNodes[r]||null),i}const tr={shape:["x","y","width","height"],connection:["waypoints"]};function nr(e,t,n,i){this._eventBus=t,this._elementRegistry=i,this._graphicsFactory=n,this._rootsIdx=0,this._layers={},this._planes=[],this._rootElement=null,this._init(e||{})}function ir(e,t){const n="matrix("+t.a+","+t.b+","+t.c+","+t.d+","+t.e+","+t.f+")";e.setAttribute("transform",n)}nr.$inject=["config.canvas","eventBus","graphicsFactory","elementRegistry"],nr.prototype._init=function(e){const t=this._eventBus,n=this._container=function(e){const t=(e=q({},{width:"100%",height:"100%"},e)).container||document.body,n=document.createElement("div");return n.setAttribute("class","djs-container djs-parent"),it(n,{position:"relative",overflow:"hidden",width:Ji(e.width),height:Ji(e.height)}),t.appendChild(n),n}(e),i=this._svg=_e("svg");me(i,{width:"100%",height:"100%"}),ue(n,i);const r=this._viewport=er(i,"viewport");!1!==e.deferUpdate&&(this._viewboxChanged=H(K(this._viewboxChanged,this),300)),t.on("diagram.init",(()=>{t.fire("canvas.init",{svg:i,viewport:r})})),t.on(["shape.added","connection.added","shape.removed","connection.removed","elements.changed","root.set"],(()=>{delete this._cachedViewbox})),t.on("diagram.destroy",500,this._destroy,this),t.on("diagram.clear",500,this._clear,this)},nr.prototype._destroy=function(){this._eventBus.fire("canvas.destroy",{svg:this._svg,viewport:this._viewport});const e=this._container.parentNode;e&&e.removeChild(this._container),delete this._svg,delete this._container,delete this._layers,delete this._planes,delete this._rootElement,delete this._viewport},nr.prototype._clear=function(){this._elementRegistry.getAll().forEach((e=>{const t=Un(e);"root"===t?this.removeRootElement(e):this._removeElement(e,t)})),this._planes=[],this._rootElement=null,delete this._cachedViewbox},nr.prototype.getDefaultLayer=function(){return this.getLayer("base",0)},nr.prototype.getLayer=function(e,t){if(!e)throw new Error("must specify a name");let n=this._layers[e];if(n||(n=this._layers[e]=this._createLayer(e,t)),void 0!==t&&n.index!==t)throw new Error("layer <"+e+"> already created at index <"+t+">");return n.group},nr.prototype._getChildIndex=function(e){return k(this._layers,(function(t,n){return n.visible&&e>=n.index&&t++,t}),0)},nr.prototype._createLayer=function(e,t){void 0===t&&(t=1);const n=this._getChildIndex(t);return{group:er(this._viewport,"layer-"+e,n),index:t,visible:!0}},nr.prototype.showLayer=function(e){if(!e)throw new Error("must specify a name");const t=this._layers[e];if(!t)throw new Error("layer <"+e+"> does not exist");const n=this._viewport,i=t.group,r=t.index;if(t.visible)return i;const o=this._getChildIndex(r);return n.insertBefore(i,n.childNodes[o]||null),t.visible=!0,i},nr.prototype.hideLayer=function(e){if(!e)throw new Error("must specify a name");const t=this._layers[e];if(!t)throw new Error("layer <"+e+"> does not exist");const n=t.group;return t.visible?(Ne(n),t.visible=!1,n):n},nr.prototype._removeLayer=function(e){const t=this._layers[e];t&&(delete this._layers[e],Ne(t.group))},nr.prototype.getActiveLayer=function(){const e=this._findPlaneForRoot(this.getRootElement());return e?e.layer:null},nr.prototype.findRoot=function(e){if("string"==typeof e&&(e=this._elementRegistry.get(e)),!e)return;const t=this._findPlaneForRoot(function(e){for(;e.parent;)e=e.parent;return e}(e))||{};return t.rootElement},nr.prototype.getRootElements=function(){return this._planes.map((function(e){return e.rootElement}))},nr.prototype._findPlaneForRoot=function(e){return A(this._planes,(function(t){return t.rootElement===e}))},nr.prototype.getContainer=function(){return this._container},nr.prototype._updateMarker=function(e,t,n){let i;e.id||(e=this._elementRegistry.get(e)),i=this._elementRegistry._elements[e.id],i&&(C([i.gfx,i.secondaryGfx],(function(e){e&&(n?ye(e).add(t):ye(e).remove(t))})),this._eventBus.fire("element.marker.update",{element:e,gfx:i.gfx,marker:t,add:!!n}))},nr.prototype.addMarker=function(e,t){this._updateMarker(e,t,!0)},nr.prototype.removeMarker=function(e,t){this._updateMarker(e,t,!1)},nr.prototype.hasMarker=function(e,t){e.id||(e=this._elementRegistry.get(e));return ye(this.getGraphics(e)).has(t)},nr.prototype.toggleMarker=function(e,t){this.hasMarker(e,t)?this.removeMarker(e,t):this.addMarker(e,t)},nr.prototype.getRootElement=function(){const e=this._rootElement;return e||this._planes.length?e:this.setRootElement(this.addRootElement(null))},nr.prototype.addRootElement=function(e){const t=this._rootsIdx++;e||(e={id:"__implicitroot_"+t,children:[],isImplicit:!0});const n=e.layer="root-"+t;this._ensureValid("root",e);const i=this.getLayer(n,0);return this.hideLayer(n),this._addRoot(e,i),this._planes.push({rootElement:e,layer:i}),e},nr.prototype.removeRootElement=function(e){"string"==typeof e&&(e=this._elementRegistry.get(e));if(this._findPlaneForRoot(e))return this._removeRoot(e),this._removeLayer(e.layer),this._planes=this._planes.filter((function(t){return t.rootElement!==e})),this._rootElement===e&&(this._rootElement=null),e},nr.prototype.setRootElement=function(e,t){if(y(t))throw new Error("override not supported");if(e===this._rootElement)return;let n;if(!e)throw new Error("rootElement required");return n=this._findPlaneForRoot(e),n||(e=this.addRootElement(e)),this._setRoot(e),e},nr.prototype._removeRoot=function(e){const t=this._elementRegistry,n=this._eventBus;n.fire("root.remove",{element:e}),n.fire("root.removed",{element:e}),t.remove(e)},nr.prototype._addRoot=function(e,t){const n=this._elementRegistry,i=this._eventBus;i.fire("root.add",{element:e}),n.add(e,t),i.fire("root.added",{element:e,gfx:t})},nr.prototype._setRoot=function(e,t){const n=this._rootElement;n&&(this._elementRegistry.updateGraphics(n,null,!0),this.hideLayer(n.layer)),e&&(t||(t=this._findPlaneForRoot(e).layer),this._elementRegistry.updateGraphics(e,this._svg,!0),this.showLayer(e.layer)),this._rootElement=e,this._eventBus.fire("root.set",{element:e})},nr.prototype._ensureValid=function(e,t){if(!t.id)throw new Error("element must have an id");if(this._elementRegistry.get(t.id))throw new Error("element <"+t.id+"> already exists");const n=tr[e];if(!P(n,(function(e){return void 0!==t[e]})))throw new Error("must supply { "+n.join(", ")+" } with "+e)},nr.prototype._setParent=function(e,t,n){Xi(t.children,e,n),e.parent=t},nr.prototype._addElement=function(e,t,n,i){n=n||this.getRootElement();const r=this._eventBus,o=this._graphicsFactory;this._ensureValid(e,t),r.fire(e+".add",{element:t,parent:n}),this._setParent(t,n,i);const a=o.create(e,t,i);return this._elementRegistry.add(t,a),o.update(e,t,a),r.fire(e+".added",{element:t,gfx:a}),t},nr.prototype.addShape=function(e,t,n){return this._addElement("shape",e,t,n)},nr.prototype.addConnection=function(e,t,n){return this._addElement("connection",e,t,n)},nr.prototype._removeElement=function(e,t){const n=this._elementRegistry,i=this._graphicsFactory,r=this._eventBus;if(e=n.get(e.id||e))return r.fire(t+".remove",{element:e}),i.remove(e),Yi(e.parent&&e.parent.children,e),e.parent=null,r.fire(t+".removed",{element:e}),n.remove(e),e},nr.prototype.removeShape=function(e){return this._removeElement(e,"shape")},nr.prototype.removeConnection=function(e){return this._removeElement(e,"connection")},nr.prototype.getGraphics=function(e,t){return this._elementRegistry.getGraphics(e,t)},nr.prototype._changeViewbox=function(e){this._eventBus.fire("canvas.viewbox.changing"),e.apply(this),this._cachedViewbox=null,this._viewboxChanged()},nr.prototype._viewboxChanged=function(){this._eventBus.fire("canvas.viewbox.changed",{viewbox:this.viewbox()})},nr.prototype.viewbox=function(e){if(void 0===e&&this._cachedViewbox)return this._cachedViewbox;const t=this._viewport,n=this.getSize();let i,r,o,a,s,l,c;return e?(this._changeViewbox((function(){s=Math.min(n.width/e.width,n.height/e.height);const i=this._svg.createSVGMatrix().scale(s).translate(-e.x,-e.y);Le(t,i)})),e):(o=this._rootElement?this.getActiveLayer():null,i=o&&o.getBBox()||{},a=Le(t),r=a?a.matrix:function(e,t,n,i,r,o){var a=Se().createSVGMatrix();switch(arguments.length){case 0:return a;case 1:return Re(a,e);case 6:return Re(a,{a:e,b:t,c:n,d:i,e:r,f:o})}}(),s=Qi(r.a,1e3),l=Qi(-r.e||0,1e3),c=Qi(-r.f||0,1e3),e=this._cachedViewbox={x:l?l/s:0,y:c?c/s:0,width:n.width/s,height:n.height/s,scale:s,inner:{width:i.width||0,height:i.height||0,x:i.x||0,y:i.y||0},outer:n})},nr.prototype.scroll=function(e){const t=this._viewport;let n=t.getCTM();return e&&this._changeViewbox((function(){e=q({dx:0,dy:0},e||{}),n=this._svg.createSVGMatrix().translate(e.dx,e.dy).multiply(n),ir(t,n)})),{x:n.e,y:n.f}},nr.prototype.scrollToElement=function(e,t){let n=100;"string"==typeof e&&(e=this._elementRegistry.get(e));const i=this.findRoot(e);i!==this.getRootElement()&&this.setRootElement(i),t||(t={}),"number"==typeof t&&(n=t),t={top:t.top||n,right:t.right||n,bottom:t.bottom||n,left:t.left||n};const r=Kn(e),o=dn(r),a=this.viewbox(),s=this.zoom();let l,c;a.y+=t.top/s,a.x+=t.left/s,a.width-=(t.right+t.left)/s,a.height-=(t.bottom+t.top)/s;const p=dn(a);if(r.width<a.width&&r.height<a.height){const 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