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opened)"]}constructor(){super(),this._boundMouseDownListener=this._mouseDownListener.bind(this),this._boundMouseUpListener=this._mouseUpListener.bind(this),this._boundOutsideClickListener=this._outsideClickListener.bind(this),this._boundKeydownListener=this._keydownListener.bind(this),this._observer=new h(this,(e=>{this._setTemplateFromNodes(e.addedNodes)})),this._boundIronOverlayCanceledListener=this._ironOverlayCanceled.bind(this),de&&(this._boundIosResizeListener=()=>this._detectIosNavbar()),this.__focusTrapController=new Ce(this)}ready(){super.ready(),this._observer.flush(),this.addEventListener("click",(()=>{})),this.$.backdrop.addEventListener("click",(()=>{})),this.addController(this.__focusTrapController)}_detectIosNavbar(){if(!this.opened)return;const e=window.innerHeight,t=window.innerWidth>e,i=document.documentElement.clientHeight;t&&i>e?this.style.setProperty("--vaadin-overlay-viewport-bottom",i-e+"px"):this.style.setProperty("--vaadin-overlay-viewport-bottom","0")}_setTemplateFromNodes(e){this.template=e.filter((e=>e.localName&&"template"===e.localName))[0]||this.template}close(e){const t=new CustomEvent("vaadin-overlay-close",{bubbles:!0,cancelable:!0,detail:{sourceEvent:e}});this.dispatchEvent(t),t.defaultPrevented||(this.opened=!1)}connectedCallback(){super.connectedCallback(),this._boundIosResizeListener&&(this._detectIosNavbar(),window.addEventListener("resize",this._boundIosResizeListener))}disconnectedCallback(){super.disconnectedCallback(),this._boundIosResizeListener&&window.removeEventListener("resize",this._boundIosResizeListener)}requestContentUpdate(){this.renderer&&this.renderer.call(this.owner,this.content,this.owner,this.model)}_ironOverlayCanceled(e){e.preventDefault()}_mouseDownListener(e){this._mouseDownInside=e.composedPath().indexOf(this.$.overlay)>=0}_mouseUpListener(e){this._mouseUpInside=e.composedPath().indexOf(this.$.overlay)>=0}_outsideClickListener(e){if(e.composedPath().includes(this.$.overlay)||this._mouseDownInside||this._mouseUpInside)return this._mouseDownInside=!1,void(this._mouseUpInside=!1);if(!this._last)return;const t=new CustomEvent("vaadin-overlay-outside-click",{bubbles:!0,cancelable:!0,detail:{sourceEvent:e}});this.dispatchEvent(t),this.opened&&!t.defaultPrevented&&this.close(e)}_keydownListener(e){if(this._last&&(!this.modeless||e.composedPath().includes(this.$.overlay))&&"Escape"===e.key){const t=new CustomEvent("vaadin-overlay-escape-press",{bubbles:!0,cancelable:!0,detail:{sourceEvent:e}});this.dispatchEvent(t),this.opened&&!t.defaultPrevented&&this.close(e)}}_ensureTemplatized(){this._setTemplateFromNodes(Array.from(this.children))}_openedChanged(e,t){this._instance||this._ensureTemplatized(),e?(this.__restoreFocusNode=this._getActiveElement(),this._animatedOpening(),V(this,(()=>{this.focusTrap&&this.__focusTrapController.trapFocus(this.$.overlay);const e=new CustomEvent("vaadin-overlay-open",{bubbles:!0});this.dispatchEvent(e)})),document.addEventListener("keydown",this._boundKeydownListener),this.modeless||this._addGlobalListeners()):t&&(this.focusTrap&&this.__focusTrapController.releaseFocus(),this._animatedClosing(),document.removeEventListener("keydown",this._boundKeydownListener),this.modeless||this._removeGlobalListeners())}_hiddenChanged(e){e&&this.hasAttribute("closing")&&this._flushAnimation("closing")}_shouldAnimate(){const e=getComputedStyle(this).getPropertyValue("animation-name");return!("none"===getComputedStyle(this).getPropertyValue("display"))&&e&&"none"!==e}_enqueueAnimation(e,t){const i=`__${e}Handler`,s=e=>{e&&e.target!==this||(t(),this.removeEventListener("animationend",s),delete this[i])};this[i]=s,this.addEventListener("animationend",s)}_flushAnimation(e){const t=`__${e}Handler`;"function"==typeof this[t]&&this[t]()}_animatedOpening(){this.parentNode===document.body&&this.hasAttribute("closing")&&this._flushAnimation("closing"),this._attachOverlay(),this.modeless||this._enterModalState(),this.setAttribute("opening",""),this._shouldAnimate()?this._enqueueAnimation("opening",(()=>{this._finishOpening()})):this._finishOpening()}_attachOverlay(){this._placeholder=document.createComment("vaadin-overlay-placeholder"),this.parentNode.insertBefore(this._placeholder,this),document.body.appendChild(this),this.bringToFront()}_finishOpening(){document.addEventListener("iron-overlay-canceled",this._boundIronOverlayCanceledListener),this.removeAttribute("opening")}_finishClosing(){document.removeEventListener("iron-overlay-canceled",this._boundIronOverlayCanceledListener),this._detachOverlay(),this.$.overlay.style.removeProperty("pointer-events"),this.removeAttribute("closing")}_animatedClosing(){if(this.hasAttribute("opening")&&this._flushAnimation("opening"),this._placeholder){this._exitModalState();const e=this.restoreFocusNode||this.__restoreFocusNode;if(this.restoreFocusOnClose&&e){const t=this._getActiveElement();(t===document.body||this._deepContains(t))&&setTimeout((()=>e.focus())),this.__restoreFocusNode=null}this.setAttribute("closing",""),this.dispatchEvent(new CustomEvent("vaadin-overlay-closing")),this._shouldAnimate()?this._enqueueAnimation("closing",(()=>{this._finishClosing()})):this._finishClosing()}}_detachOverlay(){this._placeholder.parentNode.insertBefore(this,this._placeholder),this._placeholder.parentNode.removeChild(this._placeholder)}static get __attachedInstances(){return Array.from(document.body.children).filter((e=>e instanceof we&&!e.hasAttribute("closing"))).sort(((e,t)=>e.__zIndex-t.__zIndex||0))}get _last(){return this===we.__attachedInstances.pop()}_modelessChanged(e){e?(this._removeGlobalListeners(),this._exitModalState()):this.opened&&(this._addGlobalListeners(),this._enterModalState())}_addGlobalListeners(){document.addEventListener("mousedown",this._boundMouseDownListener),document.addEventListener("mouseup",this._boundMouseUpListener),document.documentElement.addEventListener("click",this._boundOutsideClickListener,!0)}_enterModalState(){"none"!==document.body.style.pointerEvents&&(this._previousDocumentPointerEvents=document.body.style.pointerEvents,document.body.style.pointerEvents="none"),we.__attachedInstances.forEach((e=>{e!==this&&(e.shadowRoot.querySelector('[part="overlay"]').style.pointerEvents="none")}))}_removeGlobalListeners(){document.removeEventListener("mousedown",this._boundMouseDownListener),document.removeEventListener("mouseup",this._boundMouseUpListener),document.documentElement.removeEventListener("click",this._boundOutsideClickListener,!0)}_exitModalState(){void 0!==this._previousDocumentPointerEvents&&(document.body.style.pointerEvents=this._previousDocumentPointerEvents,delete this._previousDocumentPointerEvents);const e=we.__attachedInstances;let t;for(;(t=e.pop())&&(t===this||(t.shadowRoot.querySelector('[part="overlay"]').style.removeProperty("pointer-events"),t.modeless)););}_removeOldContent(){this.content&&this._contentNodes&&(this._observer.disconnect(),this._contentNodes.forEach((e=>{e.parentNode===this.content&&this.content.removeChild(e)})),this._originalContentPart&&(this.$.content.parentNode.replaceChild(this._originalContentPart,this.$.content),this.$.content=this._originalContentPart,this._originalContentPart=void 0),this._observer.connect(),this._contentNodes=void 0,this.content=void 0)}_stampOverlayTemplate(e){this._removeOldContent(),e._Templatizer||(e._Templatizer=c(e,this,{forwardHostProp(e,t){this._instance&&this._instance.forwardHostProp(e,t)}})),this._instance=new e._Templatizer({}),this._contentNodes=Array.from(this._instance.root.childNodes);const t=e._templateRoot||(e._templateRoot=e.getRootNode());if(t!==document){this.$.content.shadowRoot||this.$.content.attachShadow({mode:"open"});let e=Array.from(t.querySelectorAll("style")).reduce(((e,t)=>e+t.textContent),"");if(e=e.replace(/:host/g,":host-nomatch"),e){const t=document.createElement("style");t.textContent=e,this.$.content.shadowRoot.appendChild(t),this._contentNodes.unshift(t)}this.$.content.shadowRoot.appendChild(this._instance.root),this.content=this.$.content.shadowRoot}else this.appendChild(this._instance.root),this.content=this}_removeNewRendererOrTemplate(e,t,i,s){e!==t?this.template=void 0:i!==s&&(this.renderer=void 0)}_templateOrRendererChanged(e,t,i,s,o){if(e&&t)throw this._removeNewRendererOrTemplate(e,this._oldTemplate,t,this._oldRenderer),new Error("You should only use either a renderer or a template for overlay content");const r=this._oldOwner!==i||this._oldModel!==s;this._oldModel=s,this._oldOwner=i;const n=this._oldTemplate!==e;this._oldTemplate=e;const a=this._oldRenderer!==t;this._oldRenderer=t;const l=this._oldOpened!==o;this._oldOpened=o,a&&(this.content=this,this.content.innerHTML="",delete this.content._$litPart$),e&&n?this._stampOverlayTemplate(e):t&&(a||l||r)&&o&&this.requestContentUpdate()}_getActiveElement(){let e=document.activeElement||document.body;for(;e.shadowRoot&&e.shadowRoot.activeElement;)e=e.shadowRoot.activeElement;return e}_deepContains(e){if(this.contains(e))return!0;let t=e;const i=e.ownerDocument;for(;t&&t!==i&&t!==this;)t=t.parentNode||t.host;return t===this}bringToFront(){let e="";const t=we.__attachedInstances.filter((e=>e!==this)).pop();if(t){e=t.__zIndex+1}this.style.zIndex=e,this.__zIndex=e||parseFloat(getComputedStyle(this).zIndex)}}customElements.define(we.is,we);const Ee=n` [part~='loader'] { height: 2px; background: var(--material-background-color) linear-gradient( 90deg, transparent 0%, transparent 20%, var(--material-primary-color) 20%, var(--material-primary-color) 40%, transparent 40%, transparent 60%, var(--material-primary-color) 60%, var(--material-primary-color) 80%, transparent 80%, transparent 100% ) 0 0 / 400% 100% repeat-x; opacity: 0; } :host(:not([loading])) [part~='loader'] { display: none; } :host([loading]) [part='loader'] { animation: 3s linear infinite material-loader-progress, 0.3s 0.1s both material-loader-fade-in; } [part='loader']::before { content: ''; display: block; height: 100%; opacity: 0.16; background: var(--material-primary-color); } @keyframes material-loader-fade-in { 0% { opacity: 0; } 100% { opacity: 1; } } @keyframes material-loader-progress { 0% { background-position: 0 0; background-size: 300% 100%; } 33% { background-position: -100% 0; background-size: 400% 100%; } 67% { background-position: -200% 0; background-size: 250% 100%; } 100% { background-position: -300% 0; background-size: 300% 100%; } } /* RTL specific styles */ @keyframes material-loader-progress-rtl { 0% { background-position: 100% 0; background-size: 300% 100%; } 33% { background-position: 200% 0; background-size: 400% 100%; } 67% { background-position: 300% 0; background-size: 250% 100%; } 100% { background-position: 400% 0; background-size: 300% 100%; } } :host([loading][dir='rtl']) [part='loader'] { animation: 3s linear infinite material-loader-progress-rtl, 0.3s 0.1s both material-loader-fade-in; } `,ke=re;W("",ke,{moduleId:"material-menu-overlay"});W("vaadin-combo-box-overlay",[ke,n` :host { --_vaadin-combo-box-items-container-border-width: 8px 0; --_vaadin-combo-box-items-container-border-style: solid; --_vaadin-combo-box-items-container-border-color: transparent; } [part='overlay'] { position: relative; overflow: visible; border-top-left-radius: 0; border-top-right-radius: 0; } [part='content'] { padding: 0; } [part~='loader'] { position: absolute; z-index: 1; top: -2px; left: 0; right: 0; } `,Ee],{moduleId:"material-combo-box-overlay"});const Se=document.createElement("template");Se.innerHTML='\n \n',document.head.appendChild(Se.content);const Te=n` :host { display: flex; align-items: center; box-sizing: border-box; min-height: 36px; padding: 8px 32px 8px 10px; overflow: hidden; font-family: var(--material-font-family); font-size: var(--material-small-font-size); line-height: 24px; } /* It's the list-box's responsibility to add the focus style */ :host([focused]) { outline: none; } /* Checkmark */ [part='checkmark']::before { display: var(--_material-item-selected-icon-display, none); content: ''; font-family: material-icons; font-size: 24px; line-height: 1; font-weight: 400; width: 24px; text-align: center; margin-right: 10px; color: var(--material-secondary-text-color); flex: none; } :host([selected]) [part='checkmark']::before { content: var(--material-icons-check); } @media (any-hover: hover) { :host(:hover:not([disabled])) { background-color: var(--material-secondary-background-color); } :host([focused]:not([disabled])) { background-color: var(--material-divider-color); } } /* Disabled */ :host([disabled]) { color: var(--material-disabled-text-color); cursor: default; pointer-events: none; } /* RTL specific styles */ :host([dir='rtl']) { padding: 8px 10px 8px 32px; } :host([dir='rtl']) [part='checkmark']::before { margin-right: 0; margin-left: 10px; } `;W("vaadin-item",Te,{moduleId:"material-item"});W("vaadin-combo-box-item",[Te,n` :host { cursor: pointer; -webkit-tap-highlight-color: transparent; padding: 4px 10px; --_material-item-selected-icon-display: block; } `],{moduleId:"material-combo-box-item"});class Oe extends(Z(fe(l))){static get template(){return d`
`}static get is(){return"vaadin-combo-box-item"}static get properties(){return{index:Number,item:Object,label:String,selected:{type:Boolean,value:!1,reflectToAttribute:!0},focused:{type:Boolean,value:!1,reflectToAttribute:!0},renderer:Function,_oldRenderer:Function}}static get observers(){return["__rendererOrItemChanged(renderer, index, item.*, selected, focused)","__updateLabel(label, renderer)"]}connectedCallback(){super.connectedCallback(),this._comboBox=this.parentNode.comboBox;const e=this._comboBox.getAttribute("dir");e&&this.setAttribute("dir",e)}requestContentUpdate(){if(!this.renderer)return;const e={index:this.index,item:this.item,focused:this.focused,selected:this.selected};this.renderer(this,this._comboBox,e)}__rendererOrItemChanged(e,t,i){void 0!==i&&void 0!==t&&(this._oldRenderer!==e&&(this.innerHTML="",delete this._$litPart$),e&&(this._oldRenderer=e,this.requestContentUpdate()))}__updateLabel(e,t){t||(this.textContent=e)}}customElements.define(Oe.is,Oe);const Pe={start:"top",end:"bottom"},Ve={start:"left",end:"right"},ze=e=>class extends e{static get properties(){return{positionTarget:{type:Object,value:null},horizontalAlign:{type:String,value:"start"},verticalAlign:{type:String,value:"top"},noHorizontalOverlap:{type:Boolean,value:!1},noVerticalOverlap:{type:Boolean,value:!1}}}static get observers(){return["__positionSettingsChanged(horizontalAlign, verticalAlign, noHorizontalOverlap, noVerticalOverlap)","__overlayOpenedChanged(opened, positionTarget)"]}constructor(){super(),this.__onScroll=this.__onScroll.bind(this),this._updatePosition=this._updatePosition.bind(this)}connectedCallback(){super.connectedCallback(),this.opened&&this.__addUpdatePositionEventListeners()}disconnectedCallback(){super.disconnectedCallback(),this.__removeUpdatePositionEventListeners()}__addUpdatePositionEventListeners(){window.addEventListener("resize",this._updatePosition),this.__positionTargetAncestorRootNodes=function(e){const t=[];for(;e;){if(e.nodeType===Node.DOCUMENT_NODE){t.push(e);break}e.nodeType!==Node.DOCUMENT_FRAGMENT_NODE?e=e.assignedSlot?e.assignedSlot:e.parentNode:(t.push(e),e=e.host)}return t}(this.positionTarget),this.__positionTargetAncestorRootNodes.forEach((e=>{e.addEventListener("scroll",this.__onScroll,!0)}))}__removeUpdatePositionEventListeners(){window.removeEventListener("resize",this._updatePosition),this.__positionTargetAncestorRootNodes&&(this.__positionTargetAncestorRootNodes.forEach((e=>{e.removeEventListener("scroll",this.__onScroll,!0)})),this.__positionTargetAncestorRootNodes=null)}__overlayOpenedChanged(e,t){if(this.__removeUpdatePositionEventListeners(),e&&t&&this.__addUpdatePositionEventListeners(),e){const e=getComputedStyle(this);this.__margins||(this.__margins={},["top","bottom","left","right"].forEach((t=>{this.__margins[t]=parseInt(e[t],10)}))),this.setAttribute("dir",e.direction),this._updatePosition(),requestAnimationFrame((()=>this._updatePosition()))}}get __isRTL(){return"rtl"===this.getAttribute("dir")}__positionSettingsChanged(){this._updatePosition()}__onScroll(e){this.contains(e.target)||this._updatePosition()}_updatePosition(){if(!this.positionTarget||!this.opened)return;const e=this.positionTarget.getBoundingClientRect(),t=this.__shouldAlignStartVertically(e);this.style.justifyContent=t?"flex-start":"flex-end";const i=this.__shouldAlignStartHorizontally(e,this.__isRTL),s=!this.__isRTL&&i||this.__isRTL&&!i;this.style.alignItems=s?"flex-start":"flex-end";const o=this.getBoundingClientRect(),r=this.__calculatePositionInOneDimension(e,o,this.noVerticalOverlap,Pe,this,t),n=this.__calculatePositionInOneDimension(e,o,this.noHorizontalOverlap,Ve,this,i);Object.assign(this.style,r,n),this.toggleAttribute("bottom-aligned",!t),this.toggleAttribute("top-aligned",t),this.toggleAttribute("end-aligned",!s),this.toggleAttribute("start-aligned",s)}__shouldAlignStartHorizontally(e,t){const i=Math.max(this.__oldContentWidth||0,this.$.overlay.offsetWidth);this.__oldContentWidth=this.$.overlay.offsetWidth;const s=Math.min(window.innerWidth,document.documentElement.clientWidth),o=!t&&"start"===this.horizontalAlign||t&&"end"===this.horizontalAlign;return this.__shouldAlignStart(e,i,s,this.__margins,o,this.noHorizontalOverlap,Ve)}__shouldAlignStartVertically(e){const t=Math.max(this.__oldContentHeight||0,this.$.overlay.offsetHeight);this.__oldContentHeight=this.$.overlay.offsetHeight;const i=Math.min(window.innerHeight,document.documentElement.clientHeight),s="top"===this.verticalAlign;return this.__shouldAlignStart(e,t,i,this.__margins,s,this.noVerticalOverlap,Pe)}__shouldAlignStart(e,t,i,s,o,r,n){const a=i-e[r?n.end:n.start]-s[n.end],l=e[r?n.start:n.end]-s[n.start],d=o?a:l;return o===(d>(o?l:a)||d>t)}__calculatePositionInOneDimension(e,t,i,s,o,r){const n=r?s.start:s.end,a=r?s.end:s.start;return{[n]:`${parseFloat(o.style[n]||getComputedStyle(o)[n])+(t[r?s.start:s.end]-e[i===r?s.end:s.start])*(r?-1:1)}px`,[a]:""}}};let Le;W("vaadin-combo-box-overlay",n` #overlay { width: var(--vaadin-combo-box-overlay-width, var(--_vaadin-combo-box-overlay-default-width, auto)); } [part='content'] { display: flex; flex-direction: column; height: 100%; } `,{moduleId:"vaadin-combo-box-overlay-styles"});class Be extends(ze(we)){static get is(){return"vaadin-combo-box-overlay"}static get template(){return Le||(Le=super.template.cloneNode(!0),Le.content.querySelector('[part~="overlay"]').removeAttribute("tabindex")),Le}static get observers(){return["_setOverlayWidth(positionTarget, opened)"]}connectedCallback(){super.connectedCallback();const e=this._comboBox,t=e&&e.getAttribute("dir");t&&this.setAttribute("dir",t)}ready(){super.ready();const e=document.createElement("div");e.setAttribute("part","loader");const t=this.shadowRoot.querySelector('[part~="content"]');t.parentNode.insertBefore(e,t)}_outsideClickListener(e){const t=e.composedPath();t.includes(this.positionTarget)||t.includes(this)||this.close()}_setOverlayWidth(e,t){if(e&&t){const t=this.localName;this.style.setProperty(`--_${t}-default-width`,`${e.clientWidth}px`);const i=getComputedStyle(this._comboBox).getPropertyValue(`--${t}-width`);""===i?this.style.removeProperty(`--${t}-width`):this.style.setProperty(`--${t}-width`,i),this._updatePosition()}}}customElements.define(Be.is,Be);let Re=0;let Ne=0,Me=0;const De=[];let Fe=0,He=!1;const $e=document.createTextNode("");new window.MutationObserver((function(){He=!1;const e=De.length;for(let t=0;t{throw e}))}}De.splice(0,e),Me+=e})).observe($e,{characterData:!0});const qe={after:e=>({run:t=>window.setTimeout(t,e),cancel(e){window.clearTimeout(e)}}),run:(e,t)=>window.setTimeout(e,t),cancel(e){window.clearTimeout(e)}},je={run:e=>window.requestAnimationFrame(e),cancel(e){window.cancelAnimationFrame(e)}},Ue={run:e=>window.requestIdleCallback?window.requestIdleCallback(e):window.setTimeout(e,16),cancel(e){window.cancelIdleCallback?window.cancelIdleCallback(e):window.clearTimeout(e)}},We={run(e){He||(He=!0,$e.textContent=Fe,Fe+=1),De.push(e);const t=Ne;return Ne+=1,t},cancel(e){const t=e-Me;if(t>=0){if(!De[t])throw new Error(`invalid async handle: ${e}`);De[t]=null}}};class Ye{static debounce(e,t,i){return e instanceof Ye?e._cancelAsync():e=new Ye,e.setConfig(t,i),e}constructor(){this._asyncModule=null,this._callback=null,this._timer=null}setConfig(e,t){this._asyncModule=e,this._callback=t,this._timer=this._asyncModule.run((()=>{this._timer=null,Ge.delete(this),this._callback()}))}cancel(){this.isActive()&&(this._cancelAsync(),Ge.delete(this))}_cancelAsync(){this.isActive()&&(this._asyncModule.cancel(this._timer),this._timer=null)}flush(){this.isActive()&&(this.cancel(),this._callback())}isActive(){return null!=this._timer}}let Ge=new Set;function Qe(){const e=Boolean(Ge.size);return Ge.forEach((e=>{try{e.flush()}catch(e){setTimeout((()=>{throw e}))}})),e}const Ke=()=>{let e;do{e=Qe()}while(e)},Je=navigator.userAgent.match(/iP(?:hone|ad;(?: U;)? 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this._physicalStartVal||0},set _physicalStart(e){(e%=this._physicalCount)<0&&(e=this._physicalCount+e),this._physicalStartVal=e},get _physicalEnd(){return(this._physicalStart+this._physicalCount-1)%this._physicalCount},get _physicalCount(){return this._physicalCountVal||0},set _physicalCount(e){this._physicalCountVal=e},get _optPhysicalSize(){return 0===this._viewportHeight?1/0:this._viewportHeight*this._maxPages},get _isVisible(){return Boolean(this.offsetWidth||this.offsetHeight)},get firstVisibleIndex(){let e=this._firstVisibleIndexVal;if(null==e){let t=this._physicalTop+this._scrollOffset;e=this._iterateItems(((e,i)=>{if(t+=this._getPhysicalSizeIncrement(e),t>this._scrollPosition)return i}))||0,this._firstVisibleIndexVal=e}return e},get lastVisibleIndex(){let e=this._lastVisibleIndexVal;if(null==e){let t=this._physicalTop+this._scrollOffset;this._iterateItems(((i,s)=>{t=0;if(this._scrollPosition=e,this._firstVisibleIndexVal=null,this._lastVisibleIndexVal=null,Math.abs(t)>this._physicalSize&&this._physicalSize>0){t-=this._scrollOffset;const e=Math.round(t/this._physicalAverage);this._virtualStart+=e,this._physicalStart+=e,this._physicalTop=Math.min(Math.floor(this._virtualStart)*this._physicalAverage,this._scrollPosition),this._update()}else if(this._physicalCount>0){const e=this._getReusables(i);i?(this._physicalTop=e.physicalTop,this._virtualStart+=e.indexes.length,this._physicalStart+=e.indexes.length):(this._virtualStart-=e.indexes.length,this._physicalStart-=e.indexes.length),this._update(e.indexes,i?null:e.indexes),this._debounce("_increasePoolIfNeeded",this._increasePoolIfNeeded.bind(this,0),We)}},_getReusables(e){let t,i,s;const o=[],r=this._hiddenContentSize*this._ratio,n=this._virtualStart,a=this._virtualEnd,l=this._physicalCount;let d=this._physicalTop+this._scrollOffset;const h=this._physicalBottom+this._scrollOffset,c=this._scrollPosition,u=this._scrollBottom;for(e?(t=this._physicalStart,i=c-d):(t=this._physicalEnd,i=h-u);s=this._getPhysicalSizeIncrement(t),i-=s,!(o.length>=l||i<=r);)if(e){if(a+o.length+1>=this._virtualCount)break;if(d+s>=c-this._scrollOffset)break;o.push(t),d+=s,t=(t+1)%l}else{if(n-o.length<=0)break;if(d+this._physicalSize-s<=u)break;o.push(t),d-=s,t=0===t?l-1:t-1}return{indexes:o,physicalTop:d-this._scrollOffset}},_update(e,t){if(!(e&&0===e.length||0===this._physicalCount)){if(this._assignModels(e),this._updateMetrics(e),t)for(;t.length;){const e=t.pop();this._physicalTop-=this._getPhysicalSizeIncrement(e)}this._positionItems(),this._updateScrollerSize()}},_isClientFull(){return 0!==this._scrollBottom&&this._physicalBottom-1>=this._scrollBottom&&this._physicalTop<=this._scrollPosition},_increasePoolIfNeeded(e){const t=this._clamp(this._physicalCount+e,3,this._virtualCount-this._virtualStart)-this._physicalCount;let i=Math.round(.5*this._physicalCount);if(!(t<0)){if(t>0){const e=window.performance.now();[].push.apply(this._physicalItems,this._createPool(t));for(let e=0;ethis._physicalEnd&&this._isIndexRendered(this._focusedVirtualIndex)&&this._getPhysicalIndex(this._focusedVirtualIndex)=this._virtualCount-1||0===i||(this._isClientFull()?this._physicalSize0&&(this.updateViewportBoundaries(),this._increasePoolIfNeeded(3))},_itemsChanged(e){"items"===e.path&&(this._virtualStart=0,this._physicalTop=0,this._virtualCount=this.items?this.items.length:0,this._physicalIndexForKey={},this._firstVisibleIndexVal=null,this._lastVisibleIndexVal=null,this._physicalCount=this._physicalCount||0,this._physicalItems=this._physicalItems||[],this._physicalSizes=this._physicalSizes||[],this._physicalStart=0,this._scrollTop>this._scrollOffset&&this._resetScrollPosition(0),this._debounce("_render",this._render,je))},_iterateItems(e,t){let i,s,o,r;if(2===arguments.length&&t){for(r=0;r=this._physicalStart?this._virtualStart+(e-this._physicalStart):this._virtualStart+(this._physicalCount-this._physicalStart)+e},_updateMetrics(e){Ke();let t=0,i=0;const s=this._physicalAverageCount,o=this._physicalAverage;this._iterateItems(((e,s)=>{i+=this._physicalSizes[e],this._physicalSizes[e]=this._physicalItems[e].offsetHeight,t+=this._physicalSizes[e],this._physicalAverageCount+=this._physicalSizes[e]?1:0}),e),this._physicalSize=this._physicalSize+t-i,this._physicalAverageCount!==s&&(this._physicalAverage=Math.round((o*s+t)/this._physicalAverageCount))},_positionItems(){this._adjustScrollPosition();let e=this._physicalTop;this._iterateItems((t=>{this.translate3d(0,`${e}px`,0,this._physicalItems[t]),e+=this._physicalSizes[t]}))},_getPhysicalSizeIncrement(e){return this._physicalSizes[e]},_adjustScrollPosition(){const e=0===this._virtualStart?this._physicalTop:Math.min(this._scrollPosition+this._physicalTop,0);if(0!==e){this._physicalTop-=e;const t=this._scrollPosition;!Ze&&t>0&&this._resetScrollPosition(t-e)}},_resetScrollPosition(e){this.scrollTarget&&e>=0&&(this._scrollTop=e,this._scrollPosition=this._scrollTop)},_updateScrollerSize(e){this._estScrollHeight=this._physicalBottom+Math.max(this._virtualCount-this._physicalCount-this._virtualStart,0)*this._physicalAverage,((e=(e=e||0===this._scrollHeight)||this._scrollPosition>=this._estScrollHeight-this._physicalSize)||Math.abs(this._estScrollHeight-this._scrollHeight)>=this._viewportHeight)&&(this.$.items.style.height=`${this._estScrollHeight}px`,this._scrollHeight=this._estScrollHeight)},scrollToIndex(e){if("number"!=typeof e||e<0||e>this.items.length-1)return;if(Ke(),0===this._physicalCount)return;e=this._clamp(e,0,this._virtualCount-1),(!this._isIndexRendered(e)||e>=this._maxVirtualStart)&&(this._virtualStart=e-1),this._assignModels(),this._updateMetrics(),this._physicalTop=this._virtualStart*this._physicalAverage;let t=this._physicalStart,i=this._virtualStart,s=0;const o=this._hiddenContentSize;for(;i{this._firstVisibleIndexVal=null,this._lastVisibleIndexVal=null,this._isVisible?(this.updateViewportBoundaries(),this.toggleScrollListener(!0),this._resetAverage(),this._render()):this.toggleScrollListener(!1)}),je)},_isIndexRendered(e){return e>=this._virtualStart&&e<=this._virtualEnd},_getPhysicalIndex(e){return(this._physicalStart+(e-this._virtualStart))%this._physicalCount},_clamp:(e,t,i)=>Math.min(i,Math.max(t,e)),_debounce(e,t,i){var s;this._debouncers=this._debouncers||{},this._debouncers[e]=Ye.debounce(this._debouncers[e],i,t.bind(this)),s=this._debouncers[e],Ge.add(s)}};class et{constructor({createElements:e,updateElement:t,scrollTarget:i,scrollContainer:s,elementsContainer:o,reorderElements:r}){this.isAttached=!0,this._vidxOffset=0,this.createElements=e,this.updateElement=t,this.scrollTarget=i,this.scrollContainer=s,this.elementsContainer=o||s,this.reorderElements=r,this._maxPages=1.3,this.__placeholderHeight=200,this.__elementHeightQueue=Array(10),this.timeouts={SCROLL_REORDER:500,IGNORE_WHEEL:500},this.__resizeObserver=new ResizeObserver((()=>this._resizeHandler())),"visible"===getComputedStyle(this.scrollTarget).overflow&&(this.scrollTarget.style.overflow="auto"),"static"===getComputedStyle(this.scrollContainer).position&&(this.scrollContainer.style.position="relative"),this.__resizeObserver.observe(this.scrollTarget),this.scrollTarget.addEventListener("scroll",(()=>this._scrollHandler())),this._scrollLineHeight=this._getScrollLineHeight(),this.scrollTarget.addEventListener("wheel",(e=>this.__onWheel(e))),this.reorderElements&&(this.scrollTarget.addEventListener("mousedown",(()=>{this.__mouseDown=!0})),this.scrollTarget.addEventListener("mouseup",(()=>{this.__mouseDown=!1,this.__pendingReorder&&this.__reorderElements()})))}get scrollOffset(){return 0}get adjustedFirstVisibleIndex(){return this.firstVisibleIndex+this._vidxOffset}get adjustedLastVisibleIndex(){return this.lastVisibleIndex+this._vidxOffset}scrollToIndex(e){if("number"!=typeof e||isNaN(e)||0===this.size||!this.scrollTarget.offsetHeight)return;e=this._clamp(e,0,this.size-1);const t=this.__getVisibleElements().length;let i=Math.floor(e/this.size*this._virtualCount);this._virtualCount-i{i.__virtualIndex>=e&&i.__virtualIndex<=t&&this.__updateElement(i,i.__virtualIndex,!0)}))}__updateElement(e,t,i){e.style.paddingTop&&(e.style.paddingTop=""),this.__preventElementUpdates||e.__lastUpdatedIndex===t&&!i||(this.updateElement(e,t),e.__lastUpdatedIndex=t);const s=e.offsetHeight;if(0===s)e.style.paddingTop=`${this.__placeholderHeight}px`;else{this.__elementHeightQueue.push(s),this.__elementHeightQueue.shift();const e=this.__elementHeightQueue.filter((e=>void 0!==e));this.__placeholderHeight=Math.round(e.reduce(((e,t)=>e+t),0)/e.length)}}__getIndexScrollOffset(e){const t=this.__getVisibleElements().find((t=>t.__virtualIndex===e));return t?this.scrollTarget.getBoundingClientRect().top-t.getBoundingClientRect().top:void 0}get size(){return this.__size}set size(e){if(e===this.size)return;let t,i;if(this.__preventElementUpdates=!0,e>0&&(t=this.adjustedFirstVisibleIndex,i=this.__getIndexScrollOffset(t)),this.__size=e,Ke(),this._itemsChanged({path:"items"}),Ke(),e>0){t=Math.min(t,e-1),this.scrollToIndex(t);const s=this.__getIndexScrollOffset(t);void 0!==i&&void 0!==s&&(this._scrollTop+=i-s)}this.elementsContainer.children.length||requestAnimationFrame((()=>this._resizeHandler())),this.__preventElementUpdates=!1,this._resizeHandler(),Ke()}get _scrollTop(){return this.scrollTarget.scrollTop}set _scrollTop(e){this.scrollTarget.scrollTop=e}get items(){return{length:Math.min(this.size,1e5)}}get offsetHeight(){return this.scrollTarget.offsetHeight}get $(){return{items:this.scrollContainer}}updateViewportBoundaries(){const e=window.getComputedStyle(this.scrollTarget);this._scrollerPaddingTop=this.scrollTarget===this?0:parseInt(e["padding-top"],10),this._isRTL=Boolean("rtl"===e.direction),this._viewportWidth=this.elementsContainer.offsetWidth,this._viewportHeight=this.scrollTarget.offsetHeight,this._scrollPageHeight=this._viewportHeight-this._scrollLineHeight,this.grid&&this._updateGridMetrics()}setAttribute(){}_createPool(e){const t=this.createElements(e),i=document.createDocumentFragment();return t.forEach((e=>{e.style.position="absolute",i.appendChild(e),this.__resizeObserver.observe(e)})),this.elementsContainer.appendChild(i),t}_assignModels(e){this._iterateItems(((e,t)=>{const i=this._physicalItems[e];i.hidden=t>=this.size,i.hidden?delete i.__lastUpdatedIndex:(i.__virtualIndex=t+(this._vidxOffset||0),this.__updateElement(i,i.__virtualIndex))}),e)}_isClientFull(){return setTimeout((()=>{this.__clientFull=!0})),this.__clientFull||super._isClientFull()}translate3d(e,t,i,s){s.style.transform=`translateY(${t})`}toggleScrollListener(){}_scrollHandler(){this._adjustVirtualIndexOffset(this._scrollTop-(this.__previousScrollTop||0));const e=this.scrollTarget.scrollTop-this._scrollPosition;if(super._scrollHandler(),0!==this._physicalCount){const t=e>=0,i=this._getReusables(!t);i.indexes.length&&(this._physicalTop=i.physicalTop,t?(this._virtualStart-=i.indexes.length,this._physicalStart-=i.indexes.length):(this._virtualStart+=i.indexes.length,this._physicalStart+=i.indexes.length),this._resizeHandler())}this.reorderElements&&(this.__scrollReorderDebouncer=Ye.debounce(this.__scrollReorderDebouncer,qe.after(this.timeouts.SCROLL_REORDER),(()=>this.__reorderElements()))),this.__previousScrollTop=this._scrollTop,0===this._scrollTop&&0!==this.firstVisibleIndex&&(this._scrollTop=1)}__onWheel(e){if(e.ctrlKey||this._hasScrolledAncestor(e.target,e.deltaX,e.deltaY))return;let t=e.deltaY;if(e.deltaMode===WheelEvent.DOM_DELTA_LINE?t*=this._scrollLineHeight:e.deltaMode===WheelEvent.DOM_DELTA_PAGE&&(t*=this._scrollPageHeight),this._deltaYAcc=this._deltaYAcc||0,this._wheelAnimationFrame)return this._deltaYAcc+=t,void e.preventDefault();t+=this._deltaYAcc,this._deltaYAcc=0,this._wheelAnimationFrame=!0,this.__debouncerWheelAnimationFrame=Ye.debounce(this.__debouncerWheelAnimationFrame,je,(()=>{this._wheelAnimationFrame=!1}));const i=Math.abs(e.deltaX)+Math.abs(t);this._canScroll(this.scrollTarget,e.deltaX,t)?(e.preventDefault(),this.scrollTarget.scrollTop+=t,this.scrollTarget.scrollLeft+=e.deltaX,this._hasResidualMomentum=!0,this._ignoreNewWheel=!0,this._debouncerIgnoreNewWheel=Ye.debounce(this._debouncerIgnoreNewWheel,qe.after(this.timeouts.IGNORE_WHEEL),(()=>{this._ignoreNewWheel=!1}))):this._hasResidualMomentum&&i<=this._previousMomentum||this._ignoreNewWheel?e.preventDefault():i>this._previousMomentum&&(this._hasResidualMomentum=!1),this._previousMomentum=i}_hasScrolledAncestor(e,t,i){return e!==this.scrollTarget&&e!==this.scrollTarget.getRootNode().host&&(!(!this._canScroll(e,t,i)||-1===["auto","scroll"].indexOf(getComputedStyle(e).overflow))||(e!==this&&e.parentElement?this._hasScrolledAncestor(e.parentElement,t,i):void 0))}_canScroll(e,t,i){return i>0&&e.scrollTop0||t>0&&e.scrollLeft0}_getScrollLineHeight(){const e=document.createElement("div");e.style.fontSize="initial",e.style.display="none",document.body.appendChild(e);const t=window.getComputedStyle(e).fontSize;return document.body.removeChild(e),t?window.parseInt(t):void 0}__getVisibleElements(){return Array.from(this.elementsContainer.children).filter((e=>!e.hidden))}__reorderElements(){if(this.__mouseDown)return void(this.__pendingReorder=!0);this.__pendingReorder=!1;const e=this._virtualStart+(this._vidxOffset||0),t=this.__getVisibleElements(),i=t.find((e=>e.contains(this.elementsContainer.getRootNode().activeElement)||e.contains(this.scrollTarget.getRootNode().activeElement)))||t[0];if(!i)return;const s=i.__virtualIndex-e,o=t.indexOf(i)-s;if(o>0)for(let e=0;e{this.scrollTarget.style.transform=e}))}}_adjustVirtualIndexOffset(e){if(this._virtualCount>=this.size)this._vidxOffset=0;else if(this.__skipNextVirtualIndexAdjust)this.__skipNextVirtualIndexAdjust=!1;else if(Math.abs(e)>1e4){const e=this._scrollTop/(this.scrollTarget.scrollHeight-this.scrollTarget.offsetHeight),t=e*this.size;this._vidxOffset=Math.round(t-e*this._virtualCount)}else{const e=this._vidxOffset,t=1e3,i=100;0===this._scrollTop?(this._vidxOffset=0,e!==this._vidxOffset&&super.scrollToIndex(0)):this.firstVisibleIndex0&&(this._vidxOffset-=Math.min(this._vidxOffset,i),super.scrollToIndex(this.firstVisibleIndex+(e-this._vidxOffset)));const s=this.size-this._virtualCount;this._scrollTop>=this._maxScrollTop&&this._maxScrollTop>0?(this._vidxOffset=s,e!==this._vidxOffset&&super.scrollToIndex(this._virtualCount-1)):this.firstVisibleIndex>this._virtualCount-t&&this._vidxOffset :host { display: block; min-height: 1px; overflow: auto; /* Fixes item background from getting on top of scrollbars on Safari */ transform: translate3d(0, 0, 0); /* Enable momentum scrolling on iOS */ -webkit-overflow-scrolling: touch; /* Fixes scrollbar disappearing when 'Show scroll bars: Always' enabled in Safari */ box-shadow: 0 0 0 white; } #selector { border-width: var(--_vaadin-combo-box-items-container-border-width); border-style: var(--_vaadin-combo-box-items-container-border-style); border-color: var(--_vaadin-combo-box-items-container-border-color); }
`}static get properties(){return{items:{type:Array,observer:"__itemsChanged"},focusedIndex:{type:Number,observer:"__focusedIndexChanged"},loading:{type:Boolean,observer:"__loadingChanged"},opened:{type:Boolean,observer:"__openedChanged"},selectedItem:{type:Object,observer:"__selectedItemChanged"},itemIdPath:{type:String},comboBox:{type:Object},getItemLabel:{type:Object},renderer:{type:Object,observer:"__rendererChanged"},theme:{type:String}}}constructor(){super(),this.__boundOnItemClick=this.__onItemClick.bind(this)}__openedChanged(e){e&&this.requestContentUpdate()}ready(){super.ready(),this.id=`${this.localName}-${Re++}`,this.__hostTagName=this.constructor.is.replace("-scroller",""),this.setAttribute("role","listbox"),this.addEventListener("click",(e=>e.stopPropagation())),this.__patchWheelOverScrolling(),this.__virtualizer=new tt({createElements:this.__createElements.bind(this),updateElement:this.__updateElement.bind(this),elementsContainer:this,scrollTarget:this,scrollContainer:this.$.selector})}requestContentUpdate(){this.__virtualizer&&this.__virtualizer.update()}scrollIntoView(e){if(!(this.opened&&e>=0))return;const t=this._visibleItemsCount();let i=e;e>this.__virtualizer.lastVisibleIndex-1?(this.__virtualizer.scrollToIndex(e),i=e-t+1):e>this.__virtualizer.firstVisibleIndex&&(i=this.__virtualizer.firstVisibleIndex),this.__virtualizer.scrollToIndex(Math.max(0,i));const s=[...this.children].find((e=>!e.hidden&&e.index===this.__virtualizer.lastVisibleIndex));if(!s||e!==s.index)return;const o=s.getBoundingClientRect(),r=this.getBoundingClientRect(),n=o.bottom-r.bottom+this._viewportTotalPaddingBottom;n>0&&(this.scrollTop+=n)}__getAriaRole(e){return void 0!==e&&"option"}__getAriaSelected(e,t){return this.__isItemFocused(e,t).toString()}__isItemFocused(e,t){return!this.loading&&e===t}__isItemSelected(e,t,i){return!(e instanceof it)&&(i&&void 0!==e&&void 0!==t?this.get(i,e)===this.get(i,t):e===t)}__itemsChanged(e){this.__virtualizer&&e&&(this.__virtualizer.size=e.length,this.__virtualizer.flush(),this.setAttribute("aria-setsize",e.length),this.requestContentUpdate())}__loadingChanged(){this.__virtualizer&&this.requestContentUpdate()}__selectedItemChanged(){this.__virtualizer&&this.requestContentUpdate()}__focusedIndexChanged(e,t){this.__virtualizer&&(e!==t&&this.requestContentUpdate(),e>=0&&!this.loading&&this.scrollIntoView(e))}__rendererChanged(e,t){(e||t)&&this.requestContentUpdate()}__createElements(e){return[...Array(e)].map((()=>{const e=document.createElement(`${this.__hostTagName}-item`);return e.addEventListener("click",this.__boundOnItemClick),e.tabIndex="-1",e.style.width="100%",e}))}__updateElement(e,t){const i=this.items[t],s=this.focusedIndex;e.setProperties({item:i,index:t,label:this.getItemLabel(i),selected:this.__isItemSelected(i,this.selectedItem,this.itemIdPath),renderer:this.renderer,focused:this.__isItemFocused(s,t)}),e.id=`${this.__hostTagName}-item-${t}`,e.setAttribute("role",this.__getAriaRole(t)),e.setAttribute("aria-selected",this.__getAriaSelected(s,t)),e.setAttribute("aria-posinset",t+1),this.theme?e.setAttribute("theme",this.theme):e.removeAttribute("theme"),i instanceof it&&this.__requestItemByIndex(t)}__onItemClick(e){this.dispatchEvent(new CustomEvent("selection-changed",{detail:{item:e.currentTarget.item}}))}__patchWheelOverScrolling(){this.$.selector.addEventListener("wheel",(e=>{const t=0===this.scrollTop,i=this.scrollHeight-this.scrollTop-this.clientHeight<=1;(t&&e.deltaY<0||i&&e.deltaY>0)&&e.preventDefault()}))}get _viewportTotalPaddingBottom(){if(void 0===this._cachedViewportTotalPaddingBottom){const e=window.getComputedStyle(this.$.selector);this._cachedViewportTotalPaddingBottom=[e.paddingBottom,e.borderBottomWidth].map((e=>parseInt(e,10))).reduce(((e,t)=>e+t))}return this._cachedViewportTotalPaddingBottom}__requestItemByIndex(e){requestAnimationFrame((()=>{this.dispatchEvent(new CustomEvent("index-requested",{detail:{index:e,currentScrollerPos:this._oldScrollerPosition}}))}))}_visibleItemsCount(){this.__virtualizer.scrollToIndex(this.__virtualizer.firstVisibleIndex);return this.__virtualizer.size>0?this.__virtualizer.lastVisibleIndex-this.__virtualizer.firstVisibleIndex+1:0}}customElements.define(st.is,st);const ot=a((e=>class extends e{static get properties(){return{invalid:{type:Boolean,reflectToAttribute:!0,notify:!0,value:!1},required:{type:Boolean,reflectToAttribute:!0}}}validate(){const e=this.checkValidity();return this._setInvalid(!e),this.dispatchEvent(new CustomEvent("validated",{detail:{valid:e}})),e}checkValidity(){return!this.required||!!this.value}_setInvalid(e){this._shouldSetInvalid(e)&&(this.invalid=e)}_shouldSetInvalid(e){return!0}})),rt=e=>class extends e{static get properties(){return{pageSize:{type:Number,value:50,observer:"_pageSizeChanged"},size:{type:Number,observer:"_sizeChanged"},dataProvider:{type:Object,observer:"_dataProviderChanged"},_pendingRequests:{value:()=>({})},__placeHolder:{value:new it},__previousDataProviderFilter:{type:String}}}static get observers(){return["_dataProviderFilterChanged(filter)","_warnDataProviderValue(dataProvider, value)","_ensureFirstPage(opened)"]}ready(){super.ready(),this._scroller.addEventListener("index-requested",(e=>{const t=e.detail.index,i=e.detail.currentScrollerPos,s=Math.floor(1.5*this.pageSize);if(!this._shouldSkipIndex(t,s,i)&&void 0!==t){const e=this._getPageForIndex(t);this._shouldLoadPage(e)&&this._loadPage(e)}}))}_dataProviderFilterChanged(e){void 0!==this.__previousDataProviderFilter||""!==e?this.__previousDataProviderFilter!==e&&(this.__previousDataProviderFilter=e,this._pendingRequests={},this.loading=this._shouldFetchData(),this.size=void 0,this.clearCache()):this.__previousDataProviderFilter=e}_shouldFetchData(){return!!this.dataProvider&&(this.opened||this.filter&&this.filter.length)}_ensureFirstPage(e){e&&this._shouldLoadPage(0)&&this._loadPage(0)}_shouldSkipIndex(e,t,i){return 0!==i&&e>=i-t&&e<=i+t}_shouldLoadPage(e){if(!this.filteredItems||this._forceNextRequest)return this._forceNextRequest=!1,!0;const t=this.filteredItems[e*this.pageSize];return void 0!==t?t instanceof it:void 0===this.size}_loadPage(e){if(this._pendingRequests[e]||!this.dataProvider)return;const t={page:e,pageSize:this.pageSize,filter:this.filter},i=(s,o)=>{if(this._pendingRequests[e]!==i)return;const r=this.filteredItems?[...this.filteredItems]:[];r.splice(t.page*t.pageSize,s.length,...s),this.filteredItems=r,this.opened||this._isInputFocused()||this._commitValue(),void 0!==o&&(this.size=o),delete this._pendingRequests[e],0===Object.keys(this._pendingRequests).length&&(this.loading=!1)};this._pendingRequests[e]=i,this.loading=!0,this.dataProvider(t,i)}_getPageForIndex(e){return Math.floor(e/this.pageSize)}clearCache(){if(!this.dataProvider)return;this._pendingRequests={};const e=[];for(let t=0;t<(this.size||0);t++)e.push(this.__placeHolder);this.filteredItems=e,this._shouldFetchData()?(this._forceNextRequest=!1,this._loadPage(0)):this._forceNextRequest=!0}_sizeChanged(e=0){const t=(this.filteredItems||[]).slice(0,e);for(let i=0;i 0");this.clearCache()}_dataProviderChanged(e,t){this._ensureItemsOrDataProvider((()=>{this.dataProvider=t})),this.clearCache()}_ensureItemsOrDataProvider(e){if(void 0!==this.items&&void 0!==this.dataProvider)throw e(),new Error("Using `items` and `dataProvider` together is not supported");this.dataProvider&&!this.filteredItems&&(this.filteredItems=[])}_warnDataProviderValue(e,t){if(e&&""!==t&&(void 0===this.selectedItem||null===this.selectedItem)){const e=this.__getItemIndexByValue(this.filteredItems,t);(e<0||!this._getItemLabel(this.filteredItems[e]))&&console.warn("Warning: unable to determine the label for the provided `value`. Nothing to display in the text field. This usually happens when setting an initial `value` before any items are returned from the `dataProvider` callback. Consider setting `selectedItem` instead of `value`")}}_flushPendingRequests(e){if(this._pendingRequests){const t=Math.ceil(e/this.pageSize),i=Object.keys(this._pendingRequests);for(let s=0;s=t&&this._pendingRequests[o]([],e)}}}},nt=a((e=>class extends e{static get properties(){return{disabled:{type:Boolean,value:!1,observer:"_disabledChanged",reflectToAttribute:!0}}}_disabledChanged(e){this._setAriaDisabled(e)}_setAriaDisabled(e){e?this.setAttribute("aria-disabled","true"):this.removeAttribute("aria-disabled")}click(){this.disabled||super.click()}})),at=a((e=>class extends e{ready(){super.ready(),this.addEventListener("keydown",(e=>{this._onKeyDown(e)})),this.addEventListener("keyup",(e=>{this._onKeyUp(e)}))}_onKeyDown(e){switch(e.key){case"Enter":this._onEnter(e);break;case"Escape":this._onEscape(e)}}_onKeyUp(e){}_onEnter(e){}_onEscape(e){}}));const lt=a((e=>class extends e{static get properties(){return{inputElement:{type:Object,readOnly:!0,observer:"_inputElementChanged"},type:{type:String,readOnly:!0},value:{type:String,value:"",observer:"_valueChanged",notify:!0},_hasInputValue:{type:Boolean,value:!1,observer:"_hasInputValueChanged"}}}constructor(){super(),this._boundOnInput=this.__onInput.bind(this),this._boundOnChange=this._onChange.bind(this)}clear(){this.value=""}_addInputListeners(e){e.addEventListener("input",this._boundOnInput),e.addEventListener("change",this._boundOnChange)}_removeInputListeners(e){e.removeEventListener("input",this._boundOnInput),e.removeEventListener("change",this._boundOnChange)}_forwardInputValue(e){this.inputElement&&(this.inputElement.value=null!=e?e:"")}_inputElementChanged(e,t){e?this._addInputListeners(e):t&&this._removeInputListeners(t)}_hasInputValueChanged(e,t){(e||t)&&this.dispatchEvent(new CustomEvent("has-input-value-changed"))}__onInput(e){const t=e.composedPath()[0];this._hasInputValue=t.value.length>0,this._onInput(e)}_onInput(e){const t=e.composedPath()[0];this.__userInput=e.isTrusted,this.value=t.value,this.__userInput=!1}_onChange(e){}_toggleHasValue(e){this.toggleAttribute("has-value",e)}_valueChanged(e,t){this._toggleHasValue(this._hasValue),""===e&&void 0===t||this.__userInput||this._forwardInputValue(e)}get _hasValue(){return null!=this.value&&""!==this.value}}));class dt{constructor(e){this.host=e,e.addEventListener("opened-changed",(()=>{e.opened||this.__setVirtualKeyboardEnabled(!1)})),e.addEventListener("blur",(()=>this.__setVirtualKeyboardEnabled(!0))),e.addEventListener("touchstart",(()=>this.__setVirtualKeyboardEnabled(!0)))}__setVirtualKeyboardEnabled(e){this.host.inputElement&&(this.host.inputElement.inputMode=e?"":"none")}}function ht(e){return null!=e}function ct(e,t){return e.findIndex((e=>!(e instanceof it)&&t(e)))}const ut=e=>class extends(ue(at(lt(nt(e))))){static get properties(){return{opened:{type:Boolean,notify:!0,value:!1,reflectToAttribute:!0,observer:"_openedChanged"},autoOpenDisabled:{type:Boolean},readonly:{type:Boolean,value:!1,reflectToAttribute:!0},renderer:Function,items:{type:Array,observer:"_itemsChanged"},allowCustomValue:{type:Boolean,value:!1},filteredItems:{type:Array,observer:"_filteredItemsChanged"},_lastCommittedValue:String,loading:{type:Boolean,value:!1,reflectToAttribute:!0},_focusedIndex:{type:Number,observer:"_focusedIndexChanged",value:-1},filter:{type:String,value:"",notify:!0},selectedItem:{type:Object,notify:!0},itemLabelPath:{type:String,value:"label",observer:"_itemLabelPathChanged"},itemValuePath:{type:String,value:"value"},itemIdPath:String,_toggleElement:{type:Object,observer:"_toggleElementChanged"},_closeOnBlurIsPrevented:Boolean,_scroller:Object,_overlayOpened:{type:Boolean,observer:"_overlayOpenedChanged"}}}static get observers(){return["_selectedItemChanged(selectedItem, itemValuePath, itemLabelPath)","_openedOrItemsChanged(opened, filteredItems, loading)","_updateScroller(_scroller, filteredItems, opened, loading, selectedItem, itemIdPath, _focusedIndex, renderer, theme)"]}constructor(){super(),this._boundOnFocusout=this._onFocusout.bind(this),this._boundOverlaySelectedItemChanged=this._overlaySelectedItemChanged.bind(this),this._boundOnClearButtonMouseDown=this.__onClearButtonMouseDown.bind(this),this._boundOnClick=this._onClick.bind(this),this._boundOnOverlayTouchAction=this._onOverlayTouchAction.bind(this),this._boundOnTouchend=this._onTouchend.bind(this)}get _tagNamePrefix(){return"vaadin-combo-box"}get _inputElementValue(){return this.inputElement?this.inputElement[this._propertyForValue]:void 0}set _inputElementValue(e){this.inputElement&&(this.inputElement[this._propertyForValue]=e)}get _nativeInput(){return this.inputElement}_inputElementChanged(e){super._inputElementChanged(e);const t=this._nativeInput;t&&(t.autocomplete="off",t.autocapitalize="off",t.setAttribute("role","combobox"),t.setAttribute("aria-autocomplete","list"),t.setAttribute("aria-expanded",!!this.opened),t.setAttribute("spellcheck","false"),t.setAttribute("autocorrect","off"),this._revertInputValueToValue(),this.clearElement&&this.clearElement.addEventListener("mousedown",this._boundOnClearButtonMouseDown))}ready(){super.ready(),this._initOverlay(),this._initScroller(),this.addEventListener("focusout",this._boundOnFocusout),this._lastCommittedValue=this.value,this.addEventListener("click",this._boundOnClick),this.addEventListener("touchend",this._boundOnTouchend);const e=()=>{requestAnimationFrame((()=>{this.$.overlay.bringToFront()}))};var t;this.addEventListener("mousedown",e),this.addEventListener("touchstart",e),t=this,window.Vaadin&&window.Vaadin.templateRendererCallback?window.Vaadin.templateRendererCallback(t):t.querySelector("template")&&console.warn(`WARNING: