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o=this._canvas.findPlane(r),s=this._canvas.getActivePlane();e.plane=o,o!==s&&Nt(t,!1),e.htmlContainer=t,n.overlays.push(e),n.html.appendChild(t),this._overlays[i]=e,this._updateOverlay(e),this._updateOverlayVisibilty(e,this._canvas.viewbox())},kt.prototype._updateOverlayVisibilty=function(e,t){var n=e.show,i=n&&n.minZoom,a=n&&n.maxZoom,o=e.htmlContainer,s=!0;n&&((r(i)&&i>t.scale||r(a)&&a<t.scale)&&(s=!1),Nt(o,s)),this._updateOverlayScale(e,t)},kt.prototype._updateOverlayScale=function(e,t){var n,i,a,o=e.scale,s=e.htmlContainer,l="";!0!==o&&(!1===o?(n=1,i=1):(n=o.min,i=o.max),r(n)&&t.scale<n&&(a=(1/t.scale||1)*n),r(i)&&t.scale>i&&(a=(1/t.scale||1)*i)),r(a)&&(l="scale("+a+","+a+")"),Tt(s,l)},kt.prototype._updateOverlaysVisibilty=function(e){var t=this;m(this._overlays,(function(n){t._updateOverlayVisibilty(n,e)}))},kt.prototype._init=function(){var e=this._eventBus,t=this;e.on("canvas.viewbox.changing",(function(e){t.hide()})),e.on("canvas.viewbox.changed",(function(e){var 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Cannot use provider from the parent!')})),e.unshift(l)}return new Gt(e,a)}}function Ht(e,t){E.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})}t(Ht,E),Ht.prototype.canRender=function(){return!0},Ht.prototype.drawShape=function(e,t){var n=z("rect");return N(n,{x:0,y:0,width:t.width||0,height:t.height||0}),gt(t)?N(n,this.FRAME_STYLE):N(n,this.SHAPE_STYLE),M(e,n),n},Ht.prototype.drawConnection=function(e,t){var n=ie(t.waypoints,this.CONNECTION_STYLE);return M(e,n),n},Ht.prototype.getShapePath=function(e){var t=e.x,n=e.y,i=e.width;return te([["M",t,n],["l",i,0],["l",0,e.height],["l",-i,0],["z"]])},Ht.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 te(r)},Ht.$inject=["eventBus","styles"];var $t={__init__:["defaultRenderer"],defaultRenderer:["type",Ht],styles:["type",function(){var e={"no-fill":{fill:"none"},"no-border":{strokeOpacity:0},"no-events":{pointerEvents:"none"}},t=this;this.cls=function(e,t,n){return w(this.style(t,n),{class:e})},this.style=function(t,n){a(t)||n||(n=t,t=[]);var i=f(t,(function(t,n){return w(t,e[n]||{})}),{});return n?w(i,n):i},this.computeStyle=function(e,n,i){return a(n)||(i=n,n=[]),t.style(n||[],w({},i,e||{}))}}]};function Kt(e,t){return Math.round(e*t)/t}function Ut(e){return s(e)?e+"px":e}function qt(e,t,n){var i=z("g");L(i).add(t);var r=void 0!==n?n:e.childNodes.length-1;return e.insertBefore(i,e.childNodes[r]||null),i}var Yt="base",Xt="djs-element-hidden",Zt={shape:["x","y","width","height"],connection:["waypoints"]};function Jt(e,t,n,i){this._eventBus=t,this._elementRegistry=i,this._graphicsFactory=n,this._init(e||{})}function Qt(e,t){var n="matrix("+t.a+","+t.b+","+t.c+","+t.d+","+t.e+","+t.f+")";e.setAttribute("transform",n)}Jt.$inject=["config.canvas","eventBus","graphicsFactory","elementRegistry"],Jt.prototype._init=function(e){var t=this._eventBus,n=this._container=function(e){var t=(e=w({},{width:"100%",height:"100%"},e)).container||document.body,n=document.createElement("div");return n.setAttribute("class","djs-container"),w(n.style,{position:"relative",overflow:"hidden",width:Ut(e.width),height:Ut(e.height)}),t.appendChild(n),n}(e),i=this._svg=z("svg");N(i,{width:"100%",height:"100%"}),M(n,i);var r=this._viewport=qt(i,"viewport");this._layers={},this._planes={},!1!==e.deferUpdate&&(this._viewboxChanged=function(e,t){var n,i,r,a;function o(){var o=Date.now(),l=a+t-o;if(l>0)return s(l);e.apply(r,i),n=a=i=r=void 0}function s(e){n=setTimeout(o,e)}return function(){a=Date.now();for(var e=arguments.length,o=new Array(e),l=0;l<e;l++)o[l]=arguments[l];i=o,r=this,n||s(t)}}(x(this._viewboxChanged,this),300)),t.on("diagram.init",(function(){t.fire("canvas.init",{svg:i,viewport:r})}),this),t.on(["shape.added","connection.added","shape.removed","connection.removed","elements.changed"],(function(){delete this._cachedViewbox}),this),t.on("diagram.destroy",500,this._destroy,this),t.on("diagram.clear",500,this._clear,this)},Jt.prototype._destroy=function(e){this._eventBus.fire("canvas.destroy",{svg:this._svg,viewport:this._viewport});var t=this._container.parentNode;t&&t.removeChild(this._container),delete this._svg,delete this._container,delete this._layers,delete this._planes,delete this._activePlane,delete this._viewport},Jt.prototype._clear=function(){var e=this;this._elementRegistry.getAll().forEach((function(t){var n=function(e){return"waypoints"in e?"connection":"x"in e?"shape":"root"}(t);"root"===n?e.setRootElementForPlane(null,e.findPlane(t),!0):e._removeElement(t,n)})),this._activePlane=null,this._planes={},delete this._cachedViewbox},Jt.prototype.getDefaultLayer=function(){return this.getLayer(Yt)},Jt.prototype.getLayer=function(e,t){if(!e)throw new Error("must specify a name");var 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},Jt.prototype._createLayer=function(e,t){t||(t=0);var n=f(this._layers,(function(e,n){return t>=n.index&&e++,e}),0);return{group:qt(this._viewport,"layer-"+e,n),index:t}},Jt.prototype.getPlane=function(e){if(!e)throw new Error("must specify a name");return this._planes[e]},Jt.prototype.createPlane=function(e,t){if(!e)throw new Error("must specify a name");if(this._planes[e])throw new Error("plane "+e+" already exists");t||(t={id:"__implicitroot"+e,children:[],isImplicit:!0});var n=this.getLayer(e);L(n).add(Xt);var i=this._planes[e]={layer:n,name:e,rootElement:null};return this.setRootElementForPlane(t,i),i},Jt.prototype.setActivePlane=function(e){if(!e)throw new Error("must specify a plane");return"string"==typeof e&&(e=this.getPlane(e)),this._activePlane&&L(this._activePlane.layer).add(Xt),this._activePlane=e,L(e.layer).remove(Xt),e.rootElement&&this._elementRegistry.updateGraphics(e.rootElement,this._svg,!0),this._eventBus.fire("plane.set",{plane:e}),e},Jt.prototype.getActiveLayer=function(){return this.getActivePlane().layer},Jt.prototype.getActivePlane=function(){var e=this._activePlane;return e||(e=this.createPlane(Yt),this.setActivePlane(Yt)),e},Jt.prototype.findPlane=function(e){"string"==typeof e&&(e=this._elementRegistry.get(e));var t=function(e){for(;e.parent;)e=e.parent;return e}(e);return u(this._planes,(function(e){return e.rootElement===t}))},Jt.prototype.getContainer=function(){return this._container},Jt.prototype._updateMarker=function(e,t,n){var i;e.id||(e=this._elementRegistry.get(e)),(i=this._elementRegistry._elements[e.id])&&(m([i.gfx,i.secondaryGfx],(function(e){e&&(n?L(e).add(t):L(e).remove(t))})),this._eventBus.fire("element.marker.update",{element:e,gfx:i.gfx,marker:t,add:!!n}))},Jt.prototype.addMarker=function(e,t){this._updateMarker(e,t,!0)},Jt.prototype.removeMarker=function(e,t){this._updateMarker(e,t,!1)},Jt.prototype.hasMarker=function(e,t){return e.id||(e=this._elementRegistry.get(e)),L(this.getGraphics(e)).has(t)},Jt.prototype.toggleMarker=function(e,t){this.hasMarker(e,t)?this.removeMarker(e,t):this.addMarker(e,t)},Jt.prototype.getRootElement=function(){return this.getActivePlane().rootElement},Jt.prototype.setRootElement=function(e,t){var n=this._activePlane;if(n)return this.setRootElementForPlane(e,n,t);var i=this.createPlane(Yt,e);return this.setActivePlane(i),i.rootElement},Jt.prototype.setRootElementForPlane=function(e,t,n){"string"==typeof t&&(t=this.getPlane(t)),e&&this._ensureValid("root",e);var i=t.rootElement,r=this._elementRegistry,a=this._eventBus;if(i){if(!n)throw new Error("rootElement already set, need to specify override");a.fire("root.remove",{element:i}),a.fire("root.removed",{element:i}),r.remove(i)}if(e){var o=t.layer;a.fire("root.add",{element:e}),r.add(e,o),a.fire("root.added",{element:e,gfx:o}),t===this._activePlane&&this._elementRegistry.updateGraphics(e,this._svg,!0)}return t.rootElement=e,e},Jt.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 with id "+t.id+" already exists");var n=Zt[e];if(!d(n,(function(e){return void 0!==t[e]})))throw new Error("must supply { "+n.join(", ")+" } with "+e)},Jt.prototype._setParent=function(e,t,n){!function(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)}}(t.children,e,n),e.parent=t},Jt.prototype._addElement=function(e,t,n,i){n=n||this.getRootElement();var r=this._eventBus,a=this._graphicsFactory;this._ensureValid(e,t),r.fire(e+".add",{element:t,parent:n}),this._setParent(t,n,i);var o=a.create(e,t,i);return this._elementRegistry.add(t,o),a.update(e,t,o),r.fire(e+".added",{element:t,gfx:o}),t},Jt.prototype.addShape=function(e,t,n){return this._addElement("shape",e,t,n)},Jt.prototype.addConnection=function(e,t,n){return this._addElement("connection",e,t,n)},Jt.prototype._removeElement=function(e,t){var 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),function(e,t){if(!e||!t)return-1;var n=e.indexOf(t);-1!==n&&e.splice(n,1)}(e.parent&&e.parent.children,e),e.parent=null,r.fire(t+".removed",{element:e}),n.remove(e),e},Jt.prototype.removeShape=function(e){return this._removeElement(e,"shape")},Jt.prototype.removeConnection=function(e){return this._removeElement(e,"connection")},Jt.prototype.getGraphics=function(e,t){return this._elementRegistry.getGraphics(e,t)},Jt.prototype._changeViewbox=function(e){this._eventBus.fire("canvas.viewbox.changing"),e.apply(this),this._cachedViewbox=null,this._viewboxChanged()},Jt.prototype._viewboxChanged=function(){this._eventBus.fire("canvas.viewbox.changed",{viewbox:this.viewbox()})},Jt.prototype.viewbox=function(e){if(void 0===e&&this._cachedViewbox)return this._cachedViewbox;var t,n,i,r,a,o,s=this._viewport,l=this.getSize();return e?(this._changeViewbox((function(){r=Math.min(l.width/e.width,l.height/e.height);var t=this._svg.createSVGMatrix().scale(r).translate(-e.x,-e.y);ee(s,t)})),e):(t=this.getDefaultLayer().getBBox(),n=(i=ee(s))?i.matrix:function(e,t,n,i,r,a){var o=G.createSVGMatrix();switch(arguments.length){case 0:return o;case 1:return H(o,e);case 6:return H(o,{a:e,b:t,c:n,d:i,e:r,f:a})}}(),r=Kt(n.a,1e3),a=Kt(-n.e||0,1e3),o=Kt(-n.f||0,1e3),e=this._cachedViewbox={x:a?a/r:0,y:o?o/r:0,width:l.width/r,height:l.height/r,scale:r,inner:{width:t.width,height:t.height,x:t.x,y:t.y},outer:l})},Jt.prototype.scroll=function(e){var t=this._viewport,n=t.getCTM();return e&&this._changeViewbox((function(){e=w({dx:0,dy:0},e||{}),n=this._svg.createSVGMatrix().translate(e.dx,e.dy).multiply(n),Qt(t,n)})),{x:n.e,y:n.f}},Jt.prototype.scrollToElement=function(e,t){var n=100,i=this.findPlane(e);i!==this._activePlane&&this.setActivePlane(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};var 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n?r.secondaryGfx=t:r.gfx=t,N(t,en,i),t},tn.prototype.get=function(e){var t;t="string"==typeof e?e:e&&N(e,en);var n=this._elements[t];return n&&n.element},tn.prototype.filter=function(e){var t=[];return this.forEach((function(n,i){e(n,i)&&t.push(n)})),t},tn.prototype.find=function(e){for(var t=this._elements,n=Object.keys(t),i=0;i<n.length;i++){var r=t[n[i]],a=r.element;if(e(a,r.gfx))return a}},tn.prototype.getAll=function(){return this.filter((function(e){return e}))},tn.prototype.forEach=function(e){var t=this._elements;Object.keys(t).forEach((function(n){var i=t[n],r=i.element,a=i.gfx;return e(r,a)}))},tn.prototype.getGraphics=function(e,t){var n=e.id||e,i=this._elements[n];return i&&(t?i.secondaryGfx:i.gfx)},tn.prototype._validateId=function(e){if(!e)throw new Error("element must have an id");if(this._elements[e])throw new Error("element with id "+e+" already added")};var nn={exports:{}},rn={};rn.extend=function(e,t,n,i){var r=n.inverse;return 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Error("Promises is not supported in this environment. Please polyfill Promise.");var t=arguments.length;if(!(t>=1&&l(arguments[t-1])))return e.apply(this,arguments);var n=arguments[t-1];console.warn(new Error("Passing callbacks to "+e.name+" is deprecated and will be removed in a future major release. Please switch to promises: https://bpmn.io/l/moving-to-promises.html"));var i=Array.prototype.slice.call(arguments,0,-1);e.apply(this,i).then((function(e){var t=Object.keys(e)[0];return n(null,e[t])}),(function(e){return n(e,e.warnings)}))}}
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