primevue
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[](https://opensource.org/licenses/MIT) [](https://badge.fury.io/js/primevue) [ • 17.3 kB
JavaScript
import{ZIndexUtils as e,ObjectUtils as t,DomHandler as i,ConnectedOverlayScrollHandler as n}from"primevue/utils";import l from"primevue/overlayeventbus";import{FilterService as o}from"primevue/api";import s from"primevue/ripple";import{resolveDirective as r,openBlock as a,createBlock as p,createVNode as d,createCommentVNode as h,renderSlot as u,createTextVNode as c,toDisplayString as b,Teleport as f,Transition as v,withCtx as y,withDirectives as g,vModelText as m,Fragment as O,renderList as w}from"vue";var L={emits:["update:modelValue","before-show","before-hide","show","hide","change","filter"],props:{modelValue:null,options:Array,optionLabel:null,optionValue:null,optionDisabled:null,optionGroupLabel:null,optionGroupChildren:null,scrollHeight:{type:String,default:"200px"},filter:Boolean,filterPlaceholder:String,filterLocale:String,filterMatchMode:{type:String,default:"contains"},filterFields:{type:Array,default:null},editable:Boolean,placeholder:String,disabled:Boolean,dataKey:null,showClear:Boolean,inputId:String,tabindex:String,ariaLabelledBy:null,appendTo:{type:String,default:"body"},emptyFilterMessage:{type:String,default:null},emptyMessage:{type:String,default:null},panelClass:null},data:()=>({focused:!1,filterValue:null,overlayVisible:!1}),outsideClickListener:null,scrollHandler:null,resizeListener:null,searchTimeout:null,currentSearchChar:null,previousSearchChar:null,searchValue:null,overlay:null,itemsWrapper:null,beforeUnmount(){this.unbindOutsideClickListener(),this.unbindResizeListener(),this.scrollHandler&&(this.scrollHandler.destroy(),this.scrollHandler=null),this.itemsWrapper=null,this.overlay&&(e.clear(this.overlay),this.overlay=null)},methods:{getOptionLabel(e){return this.optionLabel?t.resolveFieldData(e,this.optionLabel):e},getOptionValue(e){return this.optionValue?t.resolveFieldData(e,this.optionValue):e},getOptionRenderKey(e){return this.dataKey?t.resolveFieldData(e,this.dataKey):this.getOptionLabel(e)},isOptionDisabled(e){return!!this.optionDisabled&&e.optionDisabled},getOptionGroupRenderKey(e){return t.resolveFieldData(e,this.optionGroupLabel)},getOptionGroupLabel(e){return t.resolveFieldData(e,this.optionGroupLabel)},getOptionGroupChildren(e){return t.resolveFieldData(e,this.optionGroupChildren)},getSelectedOption(){let e=this.getSelectedOptionIndex();return-1!==e?this.optionGroupLabel?this.getOptionGroupChildren(this.options[e.group])[e.option]:this.options[e]:null},getSelectedOptionIndex(){if(null!=this.modelValue&&this.options){if(!this.optionGroupLabel)return this.findOptionIndexInList(this.modelValue,this.options);for(let e=0;e<this.options.length;e++){let t=this.findOptionIndexInList(this.modelValue,this.getOptionGroupChildren(this.options[e]));if(-1!==t)return{group:e,option:t}}}return-1},findOptionIndexInList(e,i){for(let n=0;n<i.length;n++)if(t.equals(e,this.getOptionValue(i[n]),this.equalityKey))return n;return-1},isSelected(e){return t.equals(this.modelValue,this.getOptionValue(e),this.equalityKey)},show(){this.$emit("before-show"),this.overlayVisible=!0},hide(){this.$emit("before-hide"),this.overlayVisible=!1},onFocus(){this.focused=!0},onBlur(){this.focused=!1},onKeyDown(e){switch(e.which){case 40:this.onDownKey(e);break;case 38:this.onUpKey(e);break;case 32:this.overlayVisible||(this.show(),e.preventDefault());break;case 13:case 27:this.overlayVisible&&(this.hide(),e.preventDefault());break;case 9:this.hide();break;default:this.search(e)}},onFilterKeyDown(e){switch(e.which){case 40:this.onDownKey(e);break;case 38:this.onUpKey(e);break;case 13:case 27:this.overlayVisible=!1,e.preventDefault()}},onDownKey(e){if(this.visibleOptions)if(!this.overlayVisible&&e.altKey)this.show();else{let t=this.findNextOption(this.getSelectedOptionIndex());t&&this.updateModel(e,this.getOptionValue(t))}e.preventDefault()},onUpKey(e){if(this.visibleOptions){let t=this.findPrevOption(this.getSelectedOptionIndex());t&&this.updateModel(e,this.getOptionValue(t))}e.preventDefault()},findNextOption(e){if(this.optionGroupLabel){let t=-1===e?0:e.group,i=-1===e?-1:e.option,n=this.findNextOptionInList(this.getOptionGroupChildren(this.visibleOptions[t]),i);return n||(t+1!==this.visibleOptions.length?this.findNextOption({group:t+1,option:-1}):null)}return this.findNextOptionInList(this.visibleOptions,e)},findNextOptionInList(e,t){let i=t+1;if(i===e.length)return null;let n=e[i];return this.isOptionDisabled(n)?this.findNextOptionInList(i):n},findPrevOption(e){if(-1===e)return null;if(this.optionGroupLabel){let t=e.group,i=e.option,n=this.findPrevOptionInList(this.getOptionGroupChildren(this.visibleOptions[t]),i);return n||(t>0?this.findPrevOption({group:t-1,option:this.getOptionGroupChildren(this.visibleOptions[t-1]).length}):null)}return this.findPrevOptionInList(this.visibleOptions,e)},findPrevOptionInList(e,t){let i=t-1;if(i<0)return null;let n=e[i];return this.isOptionDisabled(n)?this.findPrevOption(i):n},onClearClick(e){this.updateModel(e,null)},onClick(e){this.disabled||i.hasClass(e.target,"p-dropdown-clear-icon")||"INPUT"===e.target.tagName||this.overlay&&this.overlay.contains(e.target)||(this.overlayVisible?this.hide():this.show(),this.$refs.focusInput.focus())},onOptionSelect(e,t){let i=this.getOptionValue(t);this.updateModel(e,i),this.$refs.focusInput.focus(),setTimeout((()=>{this.hide()}),200)},onEditableInput(e){this.$emit("update:modelValue",e.target.value)},onOverlayEnter(t){e.set("overlay",t,this.$primevue.config.zIndex.overlay),this.scrollValueInView(),this.alignOverlay(),this.bindOutsideClickListener(),this.bindScrollListener(),this.bindResizeListener(),this.filter&&this.$refs.filterInput.focus(),this.$emit("show")},onOverlayLeave(){this.unbindOutsideClickListener(),this.unbindScrollListener(),this.unbindResizeListener(),this.$emit("hide"),this.itemsWrapper=null,this.overlay=null},onOverlayAfterLeave(t){e.clear(t)},alignOverlay(){this.appendDisabled?i.relativePosition(this.overlay,this.$el):(this.overlay.style.minWidth=i.getOuterWidth(this.$el)+"px",i.absolutePosition(this.overlay,this.$el))},updateModel(e,t){this.$emit("update:modelValue",t),this.$emit("change",{originalEvent:e,value:t})},bindOutsideClickListener(){this.outsideClickListener||(this.outsideClickListener=e=>{this.overlayVisible&&this.overlay&&!this.$el.contains(e.target)&&!this.overlay.contains(e.target)&&this.hide()},document.addEventListener("click",this.outsideClickListener))},unbindOutsideClickListener(){this.outsideClickListener&&(document.removeEventListener("click",this.outsideClickListener),this.outsideClickListener=null)},bindScrollListener(){this.scrollHandler||(this.scrollHandler=new n(this.$refs.container,(()=>{this.overlayVisible&&this.hide()}))),this.scrollHandler.bindScrollListener()},unbindScrollListener(){this.scrollHandler&&this.scrollHandler.unbindScrollListener()},bindResizeListener(){this.resizeListener||(this.resizeListener=()=>{this.overlayVisible&&this.hide()},window.addEventListener("resize",this.resizeListener))},unbindResizeListener(){this.resizeListener&&(window.removeEventListener("resize",this.resizeListener),this.resizeListener=null)},search(e){if(!this.visibleOptions)return;this.searchTimeout&&clearTimeout(this.searchTimeout);const t=String.fromCharCode(e.keyCode);if(this.previousSearchChar=this.currentSearchChar,this.currentSearchChar=t,this.previousSearchChar===this.currentSearchChar?this.searchValue=this.currentSearchChar:this.searchValue=this.searchValue?this.searchValue+t:t,this.searchValue){let t=this.getSelectedOptionIndex(),i=this.optionGroupLabel?this.searchOptionInGroup(t):this.searchOption(++t);i&&this.updateModel(e,this.getOptionValue(i))}this.searchTimeout=setTimeout((()=>{this.searchValue=null}),250)},searchOption(e){let t;return this.searchValue&&(t=this.searchOptionInRange(e,this.visibleOptions.length),t||(t=this.searchOptionInRange(0,e))),t},searchOptionInRange(e,t){for(let i=e;i<t;i++){let e=this.visibleOptions[i];if(this.matchesSearchValue(e))return e}return null},searchOptionInGroup(e){let t=-1===e?{group:0,option:-1}:e;for(let e=t.group;e<this.visibleOptions.length;e++){let i=this.getOptionGroupChildren(this.visibleOptions[e]);for(let n=t.group===e?t.option+1:0;n<i.length;n++)if(this.matchesSearchValue(i[n]))return i[n]}for(let e=0;e<=t.group;e++){let i=this.getOptionGroupChildren(this.visibleOptions[e]);for(let n=0;n<(t.group===e?t.option:i.length);n++)if(this.matchesSearchValue(i[n]))return i[n]}return null},matchesSearchValue(e){return this.getOptionLabel(e).toLocaleLowerCase(this.filterLocale).startsWith(this.searchValue.toLocaleLowerCase(this.filterLocale))},onFilterChange(e){this.$emit("filter",{originalEvent:e,value:e.target.value}),this.overlayVisible&&this.alignOverlay()},overlayRef(e){this.overlay=e},itemsWrapperRef(e){this.itemsWrapper=e},scrollValueInView(){if(this.overlay){let e=i.findSingle(this.overlay,"li.p-highlight");e&&(this.itemsWrapper.scrollTop=e.offsetTop)}},onOverlayClick(e){l.emit("overlay-click",{originalEvent:e,target:this.$el})}},computed:{visibleOptions(){if(this.filterValue){if(this.optionGroupLabel){let e=[];for(let t of this.options){let i=o.filter(this.getOptionGroupChildren(t),this.searchFields,this.filterValue,this.filterMatchMode,this.filterLocale);i&&i.length&&e.push({...t,items:i})}return e}return o.filter(this.options,this.searchFields,this.filterValue,"contains",this.filterLocale)}return this.options},containerClass(){return["p-dropdown p-component p-inputwrapper",{"p-disabled":this.disabled,"p-dropdown-clearable":this.showClear&&!this.disabled,"p-focus":this.focused,"p-inputwrapper-filled":this.modelValue,"p-inputwrapper-focus":this.focused||this.overlayVisible}]},labelClass(){return["p-dropdown-label p-inputtext",{"p-placeholder":this.label===this.placeholder,"p-dropdown-label-empty":!this.$slots.value&&("p-emptylabel"===this.label||0===this.label.length)}]},panelStyleClass(){return["p-dropdown-panel p-component",this.panelClass]},label(){let e=this.getSelectedOption();return e?this.getOptionLabel(e):this.placeholder||"p-emptylabel"},editableInputValue(){let e=this.getSelectedOption();return e?this.getOptionLabel(e):this.modelValue},equalityKey(){return this.optionValue?null:this.dataKey},searchFields(){return this.filterFields||[this.optionLabel]},emptyFilterMessageText(){return this.emptyFilterMessage||this.$primevue.config.locale.emptyFilterMessage},emptyMessageText(){return this.emptyMessage||this.$primevue.config.locale.emptyMessage},appendDisabled(){return"self"===this.appendTo},appendTarget(){return this.appendDisabled?null:this.appendTo}},directives:{ripple:s}};const C={class:"p-hidden-accessible"},x=d("span",{class:"p-dropdown-trigger-icon pi pi-chevron-down"},null,-1),V={key:0,class:"p-dropdown-header"},k={class:"p-dropdown-filter-container"},S=d("span",{class:"p-dropdown-filter-icon pi pi-search"},null,-1),I={class:"p-dropdown-items",role:"listbox"},D={class:"p-dropdown-item-group"},F={key:2,class:"p-dropdown-empty-message"},$={key:3,class:"p-dropdown-empty-message"};!function(e,t){void 0===t&&(t={});var i=t.insertAt;if(e&&"undefined"!=typeof document){var n=document.head||document.getElementsByTagName("head")[0],l=document.createElement("style");l.type="text/css","top"===i&&n.firstChild?n.insertBefore(l,n.firstChild):n.appendChild(l),l.styleSheet?l.styleSheet.cssText=e:l.appendChild(document.createTextNode(e))}}("\n.p-dropdown {\n display: -webkit-inline-box;\n display: -ms-inline-flexbox;\n display: inline-flex;\n cursor: pointer;\n position: relative;\n -webkit-user-select: none;\n -moz-user-select: none;\n -ms-user-select: none;\n user-select: none;\n}\n.p-dropdown-clear-icon {\n position: absolute;\n top: 50%;\n margin-top: -.5rem;\n}\n.p-dropdown-trigger {\n display: -webkit-box;\n display: -ms-flexbox;\n display: flex;\n -webkit-box-align: center;\n -ms-flex-align: center;\n align-items: center;\n -webkit-box-pack: center;\n -ms-flex-pack: center;\n justify-content: center;\n -ms-flex-negative: 0;\n flex-shrink: 0;\n}\n.p-dropdown-label {\n display: block;\n white-space: nowrap;\n overflow: hidden;\n -webkit-box-flex: 1;\n -ms-flex: 1 1 auto;\n flex: 1 1 auto;\n width: 1%;\n text-overflow: ellipsis;\n cursor: pointer;\n}\n.p-dropdown-label-empty {\n overflow: hidden;\n visibility: hidden;\n}\ninput.p-dropdown-label {\n cursor: default;\n}\n.p-dropdown .p-dropdown-panel {\n min-width: 100%;\n}\n.p-dropdown-panel {\n position: absolute;\n}\n.p-dropdown-items-wrapper {\n overflow: auto;\n}\n.p-dropdown-item {\n cursor: pointer;\n font-weight: normal;\n white-space: nowrap;\n position: relative;\n overflow: hidden;\n}\n.p-dropdown-item-group {\n cursor: auto;\n}\n.p-dropdown-items {\n margin: 0;\n padding: 0;\n list-style-type: none;\n}\n.p-dropdown-filter {\n width: 100%;\n}\n.p-dropdown-filter-container {\n position: relative;\n}\n.p-dropdown-filter-icon {\n position: absolute;\n top: 50%;\n margin-top: -.5rem;\n}\n.p-fluid .p-dropdown {\n display: -webkit-box;\n display: -ms-flexbox;\n display: flex;\n}\n.p-fluid .p-dropdown .p-dropdown-label {\n width: 1%;\n}\n"),L.render=function(e,t,i,n,l,o){const s=r("ripple");return a(),p("div",{ref:"container",class:o.containerClass,onClick:t[12]||(t[12]=e=>o.onClick(e))},[d("div",C,[d("input",{ref:"focusInput",type:"text",id:i.inputId,readonly:"",disabled:i.disabled,onFocus:t[1]||(t[1]=(...e)=>o.onFocus&&o.onFocus(...e)),onBlur:t[2]||(t[2]=(...e)=>o.onBlur&&o.onBlur(...e)),onKeydown:t[3]||(t[3]=(...e)=>o.onKeyDown&&o.onKeyDown(...e)),tabindex:i.tabindex,"aria-haspopup":"true","aria-expanded":l.overlayVisible,"aria-labelledby":i.ariaLabelledBy},null,40,["id","disabled","tabindex","aria-expanded","aria-labelledby"])]),i.editable?(a(),p("input",{key:0,type:"text",class:"p-dropdown-label p-inputtext",disabled:i.disabled,onFocus:t[4]||(t[4]=(...e)=>o.onFocus&&o.onFocus(...e)),onBlur:t[5]||(t[5]=(...e)=>o.onBlur&&o.onBlur(...e)),placeholder:i.placeholder,value:o.editableInputValue,onInput:t[6]||(t[6]=(...e)=>o.onEditableInput&&o.onEditableInput(...e)),"aria-haspopup":"listbox","aria-expanded":l.overlayVisible},null,40,["disabled","placeholder","value","aria-expanded"])):h("",!0),i.editable?h("",!0):(a(),p("span",{key:1,class:o.labelClass},[u(e.$slots,"value",{value:i.modelValue,placeholder:i.placeholder},(()=>[c(b(o.label),1)]))],2)),i.showClear&&null!=i.modelValue?(a(),p("i",{key:2,class:"p-dropdown-clear-icon pi pi-times",onClick:t[7]||(t[7]=e=>o.onClearClick(e))})):h("",!0),d("div",{class:"p-dropdown-trigger",role:"button","aria-haspopup":"listbox","aria-expanded":l.overlayVisible},[x],8,["aria-expanded"]),(a(),p(f,{to:o.appendTarget,disabled:o.appendDisabled},[d(v,{name:"p-connected-overlay",onEnter:o.onOverlayEnter,onLeave:o.onOverlayLeave,onAfterLeave:o.onOverlayAfterLeave},{default:y((()=>[l.overlayVisible?(a(),p("div",{key:0,ref:o.overlayRef,class:o.panelStyleClass,onClick:t[11]||(t[11]=(...e)=>o.onOverlayClick&&o.onOverlayClick(...e))},[u(e.$slots,"header",{value:i.modelValue,options:o.visibleOptions}),i.filter?(a(),p("div",V,[d("div",k,[g(d("input",{type:"text",ref:"filterInput","onUpdate:modelValue":t[8]||(t[8]=e=>l.filterValue=e),autoComplete:"off",class:"p-dropdown-filter p-inputtext p-component",placeholder:i.filterPlaceholder,onKeydown:t[9]||(t[9]=(...e)=>o.onFilterKeyDown&&o.onFilterKeyDown(...e)),onInput:t[10]||(t[10]=(...e)=>o.onFilterChange&&o.onFilterChange(...e))},null,40,["placeholder"]),[[m,l.filterValue]]),S])])):h("",!0),d("div",{ref:o.itemsWrapperRef,class:"p-dropdown-items-wrapper",style:{"max-height":i.scrollHeight}},[d("ul",I,[i.optionGroupLabel?(a(!0),p(O,{key:1},w(o.visibleOptions,((t,i)=>(a(),p(O,{key:o.getOptionGroupRenderKey(t)},[d("li",D,[u(e.$slots,"optiongroup",{option:t,index:i},(()=>[c(b(o.getOptionGroupLabel(t)),1)]))]),(a(!0),p(O,null,w(o.getOptionGroupChildren(t),((t,i)=>g((a(),p("li",{class:["p-dropdown-item",{"p-highlight":o.isSelected(t),"p-disabled":o.isOptionDisabled(t)}],key:o.getOptionRenderKey(t),onClick:e=>o.onOptionSelect(e,t),role:"option","aria-label":o.getOptionLabel(t),"aria-selected":o.isSelected(t)},[u(e.$slots,"option",{option:t,index:i},(()=>[c(b(o.getOptionLabel(t)),1)]))],10,["onClick","aria-label","aria-selected"])),[[s]]))),128))],64)))),128)):(a(!0),p(O,{key:0},w(o.visibleOptions,((t,i)=>g((a(),p("li",{class:["p-dropdown-item",{"p-highlight":o.isSelected(t),"p-disabled":o.isOptionDisabled(t)}],key:o.getOptionRenderKey(t),onClick:e=>o.onOptionSelect(e,t),role:"option","aria-label":o.getOptionLabel(t),"aria-selected":o.isSelected(t)},[u(e.$slots,"option",{option:t,index:i},(()=>[c(b(o.getOptionLabel(t)),1)]))],10,["onClick","aria-label","aria-selected"])),[[s]]))),128)),l.filterValue&&(!o.visibleOptions||o.visibleOptions&&0===o.visibleOptions.length)?(a(),p("li",F,[u(e.$slots,"emptyfilter",{},(()=>[c(b(o.emptyFilterMessageText),1)]))])):!i.options||i.options&&0===i.options.length?(a(),p("li",$,[u(e.$slots,"empty",{},(()=>[c(b(o.emptyMessageText),1)]))])):h("",!0)])],4),u(e.$slots,"footer",{value:i.modelValue,options:o.visibleOptions})],2)):h("",!0)])),_:3},8,["onEnter","onLeave","onAfterLeave"])],8,["to","disabled"]))],2)};export default L;