@mundorum/oid/oid.min.js

Web components based on the Digital Content Component (DCC) model for the Mundorum space.

(function(b,w){typeof exports=="object"&&typeof module<"u"?w(exports):typeof define=="function"&&define.amd?define(["exports"],w):(b=typeof globalThis<"u"?globalThis:b||self,w(b.oidlib={}))})(this,function(b){"use strict";var Zs=Object.defineProperty;var Ys=(b,w,F)=>w in b?Zs(b,w,{enumerable:!0,configurable:!0,writable:!0,value:F}):b[w]=F;var j=(b,w,F)=>Ys(b,typeof w!="symbol"?w+"":w,F);const w=(s,...e)=>String.raw({raw:s},...e),F=(s,...e)=>String.raw({raw:s},...e);class M{constructor(){this._listeners={},this._listenersRgx=[],this._providers={},this._pendingCnx={}}subscribe(e,t){if(e!=null){let i={};typeof e=="string"&&t!=null?i[e]=t:typeof e=="object"&&(i=e);const n=this._listenersRgx.slice(),r={...this._listeners};for(const o in i)i[o]!=null&&(o.includes("+")||o.includes("#")?n.push([M._convertRegExp(o),i[o],o]):(r[o]==null?r[o]=[]:r[o]=r[o].slice(),r[o].push(i[o])));this._listenersRgx=n,this._listeners=r}}unsubscribe(e){if(e!=null){let t={};typeof e=="string"&&handler!=null?t[e]=handler:typeof e=="object"&&(t=e);const i=this._listenersRgx.slice(),n={...this._listeners};for(const r in t)if(r.includes("+")||r.includes("#")){for(const o in i)if(i[o][1]===t[r]&&i[o][2]==r){i.splice(o,1);break}}else if(n[r]!=null){for(const o in n[r])if(n[r][o]===t[r]){n[r]=n[r].toSplice(o,1);break}}this._listenersRgx=i,this._listeners=n}}async publish(e,t){if(this._listeners[e]!=null)for(const n of this._listeners[e])n(e,t);const i=this._listenersRgx;for(const n of i){const r=n[0].exec(e);r!=null&&r[0]===e&&n[1](e,t)}}static _convertRegExp(e){return new RegExp(e.replace(/\//g,"\\/").replace(/\+/g,"[^/]+").replace(/#/g,".+"))}provide(e,t,i){let n=!1;if(t!=null&&e!=null&&i!=null){const r=e+"#"+t;if(this._providers[r]==null&&(n=!0,this._providers[r]=i,this._pendingCnx[r]!=null)){for(let o of this._pendingCnx[r])o.connectionReady(e,t,i);delete this._pendingCnx[r]}}return n}withhold(e,t){let i=!1;if(t!=null&&e!=null){const n=e+"#"+t;this._providers[n]&&(i=!0,delete this._providers[n])}return i}connect(e,t,i){let n=!1;if(t!=null&&e!=null&&i!=null){const r=`${e}#${t}`;this._providers[r]?i.connectionReady(e,t,this._providers[r]):this._pendingCnx[r]?this._pendingCnx[r].push(i):this._pendingCnx[r]=[i],n=!0}return n}async invoke(e,t,i,n){const r=`${e}#${t}`;return this._providers[r]!=null?await this._providers[r].handleInvoke(e,i,n):null}}M.i=new M;const X={id:"default",bus:M.i,stylesheets:"<auto>",stydefault:["stylesheets:oid.min.css"],assets:"/assets/"};class R{constructor(e,t,i,n,r){if(this._id=e||null,this._bus=t||R.i.bus,this._stydefault=n||R.i.stydefault,this._stylesheets=i||R.i.stylesheets,this._stylesheets==="<auto>"&&this._stydefault){const o=this._stydefault[0].split(/[:\/]/).pop(),l=document.querySelectorAll('link[rel="stylesheet"]');for(const u of l)if(u.href&&u.href.endsWith(o)){this._stylesheets=u.href.slice(0,-o.length);break}}this._assets=r||R.i.assets}static create(e,t,i,n,r){if(e!=null&&R._spheres[e]!=null)throw new Error(`Sphere with id ${e} already exists`);const o=new R(e,t,i,n,r);return e!=null&&(R._spheres[e]=o),o}static get(e){return e&&R._spheres[e]||null}get id(){return this._id}get bus(){return this._bus}set stylesheets(e){this._stylesheets=e}get stylesheets(){return this._stylesheets}set stydefault(e){this._stydefault=e}get stydefault(){return this._stydefault}set assets(e){this._assets=e}get assets(){return this._assets}}R._spheres={},R.i=R.create(X.id,X.bus,X.stylesheets,X.stydefault,X.assets);class z extends HTMLElement{connectedCallback(){if(this.hasAttribute("global"))this._sphere=R.i,this.hasAttribute("stylesheets")&&(R.i.stydefault=this.getAttribute("stylesheets")),this.hasAttribute("stydefault")&&(R.i.stydefault=this.getAttribute("stydefault")),this.hasAttribute("assets")&&(R.i.assets=this.getAttribute("assets"));else{const e=this.getAttribute("id");R.get(e)?this._sphere=R.get(e):this._sphere=R.create(this.getAttribute("id"),new M,this.getAttribute("stylesheets"),this.getAttribute("stydefault"),this.getAttribute("assets"))}}get id(){return this._sphere.id}get stylesheets(){return this._sphere.stylesheets}get stydefault(){return this._sphere.stydefault}get assets(){return this._sphere.assets}get sphere(){return this._sphere}}z.elementTag="oid-sphere",customElements.define(z.elementTag,z);class ke extends HTMLElement{constructor(){super(),this._sphere=null}get _bus(){return this._sphere==null?null:this._sphere.bus}connectedCallback(){let e=this._findAggregator(z);e!=null?this._sphere=e.sphere:this._sphere=R.i}_findAggregator(e){let t=this.parentNode!=null?this.parentNode:this instanceof DocumentFragment?this.host:null;for(;t!=null&&!(t instanceof e);)t=t.parentNode!=null?t.parentNode:t instanceof DocumentFragment?t.host:null;return t}_subscribe(e,t){this._bus!=null&&this._bus.subscribe(e,t)}_unsubscribe(e,t){this._bus.unsubscribe(e,t)}async _publish(e,t){await this._bus.publish(e,t)}_provide(e,t,i){this._bus.provide(e,t,i)}_withhold(e,t){this._bus.withhold(e,t)}_connect(e,t,i){this._bus.connect(e,t,i)}async _invoke(e,t,i,n){return await this._bus.invoke(e,t,i,n)}}class ye extends ke{constructor(){super(),this._mapTopicNotice={},this._rgxTopicNotice=[],this._mapNoticeTopic={},this._receiveHandler={},this._provideHandler={},this._connected={},this._convertNotice=this._convertNotice.bind(this),this.handleNotice=this.handleNotice.bind(this)}async connectedCallback(){super.connectedCallback(),await this._initialize()}disconnectedCallback(){this._finalize()}async _initialize(){const e=this.constructor.spec;if(e&&(this._buildHandlers(this._receiveHandler,e.receive),this._buildProviders(),this._buildProvidersHandlers(),this._buildEventDispatchers(e.dispatcher)),e&&e.properties)for(const[t,i]of Object.entries(e.properties))i.default!=null&&!this.hasAttribute(t)&&(this[t]=i.default);this.hasAttribute("custom")&&(this._custom=await v.getCustom(e.id,this.getAttribute("custom"))),this.hasAttribute("publish")&&this._publishNoticeTopic(this.getAttribute("publish")),this.hasAttribute("subscribe")&&this._subscribeTopicNotice(this.getAttribute("subscribe")),this.hasAttribute("connect")&&this._connectInterface(this.getAttribute("connect"))}_buildProviders(){const e=this.constructor.spec;if(e.provide!=null&&this.id)for(const t in e.provide)this._provide(t,this.id,this)}_buildProvidersHandlers(){const e=this.constructor.spec;if(e.provide!=null)for(const t in e.provide)this._buildHandlers(this._provideHandler,e.provide[t].operations,t)}_removeProviders(){const e=this.constructor.spec;if(e.provide!=null&&this.id)for(const t in e.provide)this._withhold(t,this.id)}_buildHandlers(e,t,i){if(t!=null){const n=i==null?"":i+".";if(Array.isArray(t))for(const r of t)e[n+r]==null&&(e[n+r]=this["handle"+r[0].toUpperCase()+r.slice(1)].bind(this));else for(const[r,o]of Object.entries(t))if(e[n+r]==null){const l=typeof o=="string"?o:o.handler!=null?o.handler:"handle"+r[0].toUpperCase()+r.slice(1);e[n+r]=this[l].bind(this)}}}_buildEventDispatchers(e){if(e){this._dispatcher=[];for(const[t,i,n]of e)this._dispatcher.push([t,i,n.bind(this)])}}_finalize(){this._removeProviders();for(const e in this._mapTopicNotice)this._mapTopicNotice[e]!=e?this._unsubscribe(e,this._convertNotice):this._unsubscribe(e,this.handleNotice)}attributeChangedCallback(e,t,i){const n=e.replace(/-([a-z])/g,(r,o)=>o.toUpperCase());this[n]=i}static get observedAttributes(){return["id"]}get id(){return this._id}set id(e){this._id!=null&&this._bus!=null&&this._removeProviders(),this._id=e,this._bus!=null&&this._buildProviders()}get publish(){return this.getAttribute("publish")}get subscribe(){return this.getAttribute("subscribe")}get connect(){return this.getAttribute("connect")}handleGet(e,t){return t.property!=null?this[t.property]:null}handleSet(e,t){t.property!=null&&t.value!=null&&(this[t.property]=t.value)}_subscribeTopicNotice(e){const t=e.split(";");for(const i of t){const n=i.split("~");if(n.length>1){const r=n[0].trim();r.includes("+")||r.includes("#")?this._rgxTopicNotice.push([M._convertRegExp(r),n[1].trim(),r]):this._mapTopicNotice[r]=n[1].trim(),this._subscribe(r,this._convertNotice)}else{const r=i.trim();this._mapTopicNotice[r]=r,this._subscribe(r,this.handleNotice)}}}_publishNoticeTopic(e){const t=e.split(";");for(const i of t){const n=i.split("~");n.length>1?this._mapNoticeTopic[n[0].trim()]=n[1].trim():this._mapNoticeTopic[i.trim()]=i.trim()}}_connectInterface(e){let t=!0;const i=e.split(";");for(const n of i){const r=n.split("#");r.length>1?this._connect(r[0].trim(),r[1].trim(),this):t=!1}return t}_notify(e,t){this._mapNoticeTopic[e]!=null&&this._publish(this._mapNoticeTopic[e],t)}_convertNotice(e,t){if(this._mapTopicNotice[e]!=null)this.handleNotice(this._mapTopicNotice[e],t);else for(const[i,n]of this._rgxTopicNotice){const r=i.exec(e);if(r!=null&&r[0]===e){this.handleNotice(n,t);break}}}connectTo(e,t){t.id&&this._connect(e,t.id,this)}connectionReady(e,t,i){this._connected[e]==null&&(this._connected[e]=[]),this._connected[e].push(t)}async _invoke(e,t,i){const n=v.getInterface(e);if(this._connected[e]!=null)if(n.response!=null&&n.response===!0){const r=[];for(const o of this._connected[e])r.push(await this._bus.invoke(e,o,t,i));return r}else for(const r of this._connected[e])return await this._bus.invoke(e,r,t,i)}handleNotice(e,t){const i=e&&e.includes("/")?e.split("/")[0]:e;this._receiveHandler[i]!=null&&this._receiveHandler[i](e,t)}async handleInvoke(e,t,i){let n=null;return this._provideHandler[`${e}.${t}`]!=null&&(n=await this._provideHandler[`${e}.${t}`](t,i)),n}_customExists(e){return this._custom!=null&&this._custom.hasOwnProperty(e)}_getCustomField(e){return this._custom==null||this._custom[e]==null?null:this._custom[e]}_callCustom(e,t){if(this._custom!=null&&this._custom[e]!=null)return this._custom[e](this,t)}}class q extends ye{}class k extends q{async connectedCallback(){await super.connectedCallback(),this._stylesheets=this.constructor.spec.stylesheets.replace('href="default"','href="'+this._sphere.stydefault+'"').replace('href="stylesheets:','href="'+this._sphere.stylesheets),this.render()}render(){const e=this.constructor.spec;let t=e!=null?e.template:null;if(this.template){const i=this.template();if(i!=this._template){this._template=i;const n=v.prepareDispatchers(i,this.constructor);this._templatePre=n.template,this._buildEventDispatchers(n.dispatcher,this)}t=this._templatePre}if(this._presentation=null,e!=null&&t!=null){let i=this._getCustomField("style");i=i?`<style>${i}</style>`:"";const n=(this._stylesheets+e.styles+i+t).replace(/{{[ \t]*(url:)?[ \t]*this\.([^}]*)}}/g,(r,o,l)=>{l=l?l.trim():"";let u=this[l]?this[l]:"";return o==="url:"&&(u=u.replace("assets:",this._sphere.assets)),u});if(e.shadow===!1?(this.innerHTML=n,this._presentation=this.querySelector("#oid-prs")||this):this._presentation=this._shadowHTML(n),this._dispatcher){const r=e.shadow===!1?this:this.shadowRoot;for(const[o,l,u]of this._dispatcher)r.querySelector("["+o+"]").addEventListener(l,u)}}}_shadowHTML(e){const t=k.prepareShadow(this,e);return this.shadowRoot.querySelector("#oid-prs")||t}static prepareShadow(e,t){const i=document.createElement("template");i.innerHTML=t;const n=document.importNode(i.content,!0);return e.shadowRoot?e.shadowRoot.innerHTML="":e.attachShadow({mode:"open"}),e.shadowRoot.appendChild(n),n}}const _=class _{static cInterface(e){e!=null&&(_._interfaceReg[e.id]=e)}static getInterface(e){return _._interfaceReg[e]}static component(e){e=Object.assign({},_._defaultSpec,e);let t=e.implementation;if(t==null){const r=e.ui===!1||e.template==null?e.element==null?ye:q:k,o=e.element[0].toUpperCase()+e.element.slice(1).replace(/-([a-z])/g,(l,u)=>u.toUpperCase());t=class extends r{},Object.defineProperty(t,"name",{value:o})}const i=t.observedAttributes.slice();if(e.properties){Object.defineProperty(t,"observedAttributes",{get:function(){return this.observed}});for(const r in e.properties){const o=e.properties[r],l=r.replace(/-([a-z])/g,(u,c)=>c.toUpperCase());Object.defineProperty(t.prototype,l,o.readonly?{get:function(){return this["_"+l]}}:t.prototype.render==null?{get:function(){return this["_"+l]},set:function(u){this["_"+l]=u}}:{get:function(){return this["_"+l]},set:function(u){const c=this["_"+l];this["_"+l]=u,c!=u&&this._sphere&&this.render()}}),(o.attribute==null||o.attribute!==!1)&&i.push(r)}}if(e.provide=e.provide==null?_.defaultInterface:e.provide.concat(_.defaultInterface),e.provide){const r={};for(const o of e.provide){const l=_._interfaceReg[o];if(l==null)throw new Error("Unknown interface id: "+o);r[o]=l}e.provide=r}_.stylePreprocess(e);const n=_.prepareDispatchers(e.template,t);e.template=n.template,n.dispatcher&&(e.dispatcher=n.dispatcher),Object.assign(t,{spec:e,observed:i}),e.element==null&&(e.element="internal-"+e.id.replace(":","-")),customElements.define(e.element,t),_._oidReg[e.id]=t}static componentSet(e,t){if(e!=null&&_._oidReg[e]!=null){const i=_._oidReg[e].spec;for(const n in t)i[n]=t[n];_.stylePreprocess(i)}}static stylePreprocess(e){let t="";if(e.stylesheets){let i=e.stylesheets;Array.isArray(i)||(i=[i]);for(const n of i)t+=`<link href="${n}" rel="stylesheet">`}e.stylesheets=t,e.styles=e.styles?`<style>${e.styles}</style>`:""}static prepareDispatchers(e,t){let i=null;if(e){let n=1;const r=e.split(/@([^= >]*)[ \t]*(?:=[ \t]*{{[ \t]*this\.([^}]*)[ \t]*}})?/);if(r.length>1){i=[];let o="";for(let l=0;l+2<r.length;l+=3){o+=r[l]+_.eventAttribute+n+" ";const u=r[l+1].trim(),c=r[l+2]!=null?r[l+2].trim():"_on"+u[0].toUpperCase()+u.substring(1);i.push([_.eventAttribute+n,u,t.prototype[c]]),n++}e=o+r[r.length-1]}}return{template:e,dispatcher:i}}static create(e,t){const i=_._oidReg[e];if(i==null)throw new Error("Unknown component id: "+e);const n=document.createElement(i.spec.element);if(t!=null)for(const r in t)n.setAttribute(r,t[r]);return n}static customize(e,t){e!=null&&_._oidReg[e]!=null&&t!=null&&t.cid!=null&&(_._oidCustom[e+"."+t.cid]=t,_._customQueue[e+"."+t.cid]!=null&&(_._customQueue[e+"."+t.cid](),delete _._customQueue[e+"."+t.cid]))}static async getCustom(e,t){return e==null||t==null?null:(_._oidCustom[e+"."+t]==null&&await new Promise((n,r)=>{const o=function(){n()};_._customQueue[e+"."+t]=o}),_._oidCustom[e+"."+t])}static setDefault(e){this._defaultSpec=e}static addDefault(e){for(const t in e)this._defaultSpec[t]==null?this._defaultSpec[t]=e[t]:Array.isArray(this._defaultSpec[t])?this._defaultSpec[t]=this._defaultSpec[t].concat(e[t]):typeof this._defaultSpec[t]=="object"?Object.assign(this._defaultSpec[t],e[t]):this._defaultSpec[t]=e[t]}};j(_,"eventAttribute","oidevent_"),j(_,"defaultInterface",["itf:oid"]),j(_,"_interfaceReg",{}),j(_,"_oidReg",{}),j(_,"_oidCustom",{}),j(_,"_customQueue",{}),j(_,"_defaultSpec",{});let v=_;v.cInterface({id:"itf:oid",operations:{get:{response:!0},set:{response:!1}},flow:"pull"}),v.cInterface({id:"itf:transfer",operations:["send"],flow:"push"}),v.cInterface({id:"itf:storage",operations:["store","load"],flow:"pull"}),v.cInterface({id:"itf:iterate",operations:{first:{response:!0},next:{response:!0}},flow:"pull",connections:"1"});class L extends z{connectedCallback(){super.connectedCallback();const e=this._prepareHTML(),t=L.template.replace("{stylesheet}",this.stylesheet).replace("{code}",L.code.replace("{html}",e).replace("{rows}",this._rows(e))).replace("{console}",this.messages?L.console.replace("{rows}",this.rows?this.rows:L.rows):"");k.prepareShadow(this,t),this._scriptPanel=this.shadowRoot.querySelector("#script"),this._unlockScript=this._unlockScript.bind(this),this._scriptPanel.addEventListener("click",this._unlockScript),this._buttonRender=this.shadowRoot.querySelector("#btn-render"),this._buttonRender.addEventListener("click",this._computeRender.bind(this)),this._observer=new MutationObserver(this._scriptUpdated.bind(this)),this._observer.observe(this,{attributes:!0,childList:!0,subtree:!0}),this.sphere.bus.subscribe("#",this._busMonitor.bind(this))}static get observedAttributes(){return z.observedAttributes.concat(["messages","rows"])}get messages(){return this.hasAttribute("messages")}set messages(e){this.setAttribute("messages",e)}get rows(){return this.getAttribute("rows")}set rows(e){this.setAttribute("rows",e)}_scriptUpdated(e,t){const i=this._prepareHTML();this._scriptPanel.value=i,this._scriptPanel.rows=this._rows(i)}_rows(e){const t=e.split(/\r\n|\r|\n/);let i=0;return t.forEach(n=>{i+=Math.floor(n.length/45)+1}),i}_prepareHTML(){let e=this.innerHTML.replace('=""',"").replace(/^[\r\n]+/,"").replace(/[\r\n]+$/,"");if(e.startsWith(" ")||e.startsWith("	")){const t=e.match(/^[ \t]+/);e=e.replace(new RegExp("^"+t,"gm"),"")}return e}_unlockScript(){this._scriptPanel.removeEventListener("click",this._unlockScript),this._scriptPanel.readOnly=!1,this._buttonRender.style.display="initial"}_computeRender(){this.shadowRoot.querySelector("#render").innerHTML=this._scriptPanel.value}_busMonitor(e,t){e!="bus/monitor"&&this.sphere.bus.publish("bus/monitor",{value:`[${e}] ${JSON.stringify(t)}`})}}L.rows=5,L.code=w`<div style="width:100%;display:flex">
<textarea id="script" class="code" style="width:100%;cursor:pointer" rows="{rows}" readonly>{html}</textarea>
<button id="btn-render" class="btn btn-secondary" style="width:auto;display:none">Render</button>
</div>`,L.template=w`<link rel="stylesheet" href="{stylesheet}">
{code}
<div id="render"><slot></slot></div>
{console}`,L.console=w`<div id="msg-pnl" style="width:100%">
  <b>Messages on the Bus</b><br>
  <console-oid rows="{rows}" class="code" prompt="" subscribe="bus/monitor~display"></console-oid>
</div>`,L.elementTag="oid-play",customElements.define(L.elementTag,L);class Ce extends q{async handleSubmit(e,t){const i={},n=this._getCustomField("schema");let r=null;if(n!=null)for(const o of Object.keys(n)){const l=document.querySelector(`#${o}`);l!=null&&(i[o]=l.value)}else{for(r=this.parentNode;r!=null&&r.nodeName.toLowerCase()!=="form";)r=r.parentNode;if(r!=null)for(const o of r)o.type==="radio"||o.type==="checkbox"?o.checked&&(o.type==="checkbox"||!o.hasAttribute("name")?i[o.id]=o.value:i[o.name]=o.value):i[o.id]=o.value}(!this._customExists("pre")||this._callCustom("pre",i)===!0)&&(this._notify("submit",i),this._notify("dispatch",{value:i}),this._invoke("itf:transfer","send",{value:i}))}handleUpdate(e,t){if(t.value){let i=this.parentNode;for(;i!=null&&i.nodeName.toLowerCase()!=="form";)i=i.parentNode;if(i!=null)for(const n of i)n.type==="radio"||n.type==="checkbox"?n.checked&&(n.type==="checkbox"||!n.hasAttribute("name")?n.value=t.value[n.id]:n.value=t.value[n.name]):n.value=t.value[n.id]}}}v.component({id:"oid:submit",element:"submit-oid",receive:["submit","update"],implementation:Ce});class Ne extends k{template(){let e=this.selection==="both"?w`<div class="group">`:"";return(this.selection==="drop"||this.selection==="both")&&(e+=w`<div class="drop" @dragover @drop>{{this.dropLabel}}</div>`),(this.selection==="dialog"||this.selection==="both")&&(e+=w`<input type="file" class="selector" @change></input>`),this.selection==="both"&&(e+="</div>"),e}_onDragover(e){this.pre&&(this._presentation.innerHTML=this.dropPre),e.preventDefault()}async _onDrop(e){e.preventDefault(),this.post&&(this._presentation.innerHTML=this.dropPost);let t=null;if(e.dataTransfer.items)for(const n of e.dataTransfer.items)n.kind==="file"&&(t=n.getAsFile());else t=e.dataTransfer.files[0];let i=await t.text();this.filetype==="json"&&(i=JSON.parse(i)),this._notify("dispatch",{value:i}),this._invoke("itf:transfer","send",{value:i})}_onChange(e){const t={},i=e.target.files[0];if(!i)t.error="No file selected";else{const n=new FileReader;n.onload=r=>{t.value=r.target.result,this.filetype==="json"&&(t.value=JSON.parse(t.value))},n.onerror=r=>{t.error=`Error reading file: ${r.target.error}`},n.readAsText(i)}this._notify("dispatch",t),this._invoke("itf:transfer","send",t)}handleRetrieve(e,t){}handleStore(e,t){let i=t.value||"";this.filetype==="json"&&(i=JSON.stringify(i));const n=document.createElement("a");n.style.display="none",document.body.appendChild(n),n.href=window.URL.createObjectURL(new Blob([i],{type:"text/plain"})),n.setAttribute("download",t.filename||this.filename),n.click(),window.URL.revokeObjectURL(n.href),document.body.removeChild(n)}}v.component({id:"oid:file",element:"file-oid",properties:{selection:{default:"both"},dropLabel:{default:"Drop Zone"},dropPre:{default:"Drop your file here"},dropPost:{default:"File loaded"},filename:{default:"file.txt"},filetype:{default:"plain"}},receive:["retrieve","store"],implementation:Ne,styles:F`
  .group {
    display: flex;
    width: 100%;
    height: 100%;
  }
  .drop {
    width: 50%;
    border: 5px solid;
  }
  .selector {
    flex: 1;
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  <image id="oid-prs" src="{{url:this.source}}" alt="{{this.label}}"
    @click @mouseenter @mouseleave>`});class Ue extends k{_onClick(){this._callCustom("click"),this._notify("click",{value:this.value||this.label}),this._invoke("itf:transfer","send",{value:this.value||this.label})}_onMouseenter(){this._notify("mouseenter",{value:this.value||this.label})}_onMouseleave(){this._notify("mouseleave",{value:this.value||this.label})}}v.component({id:"oid:button",element:"button-oid",properties:{label:{},value:{}},implementation:Ue,stylesheets:"default",template:w`
  <button id="oid-prs" class="btn btn-primary"
    @click @mouseenter @mouseleave>
    {{this.label}}
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    font-family: "Courier New", monospace;
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    background-color: lightgray
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    display: inline-block;
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    height: 34px;
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    width: 0;
    height: 0;
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  .slider {
    position: absolute;
    cursor: pointer;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background-color: #ccc;
    -webkit-transition: .4s;
    transition: .4s;
  }
  .slider:before {
    position: absolute;
    content: "";
    height: 26px;
    width: 26px;
    left: 4px;
    bottom: 4px;
    background-color: white;
    -webkit-transition: .4s;
    transition: .4s;
  }
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  input:focus + .slider {
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  input:checked + .slider:before {
    -webkit-transform: translateX(26px);
    -ms-transform: translateX(26px);
    transform: translateX(26px);
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  .slider.round {
    border-radius: 34px;
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  .slider.round:before {
    border-radius: 50%;
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