1 line
6.6 KiB
JavaScript
1 line
6.6 KiB
JavaScript
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import{__awaiter,__decorate}from"tslib";import{SuperComponent,wxComponent}from"../common/src/index";import config from"../common/config";import{trimSingleValue,trimValue}from"./tool";import props from"./props";import{getRect}from"../common/utils";import Bus from"../common/bus";const{prefix:prefix}=config,name=`${prefix}-slider`;let Slider=class extends SuperComponent{constructor(){super(...arguments),this.externalClasses=[`${prefix}-class`,`${prefix}-class-bar`,`${prefix}-class-bar-active`,`${prefix}-class-bar-disabled`,`${prefix}-class-cursor`],this.options={pureDataPattern:/^__/},this.properties=props,this.controlledProps=[{key:"value",event:"change"}],this.data={sliderStyles:"",classPrefix:name,initialLeft:null,initialRight:null,activeLeft:0,activeRight:0,maxRange:0,lineLeft:0,lineRight:0,dotTopValue:[0,0],_value:0,blockSize:20,isScale:!1,scaleArray:[],scaleTextArray:[],prefix:prefix,isVisibleToScreenReader:!1,identifier:[-1,-1],__inited:!1},this.observers={value(e){this.handlePropsChange(e)},_value(e){this.bus.on("initial",(()=>this.renderLine(e))),this.toggleA11yTips()},marks(e){this.bus.on("initial",(()=>this.handleMark(e)))}},this.lifetimes={created(){this.bus=new Bus},attached(){const{value:e}=this.properties;e||this.handlePropsChange(0),this.init(),this.injectPageScroll()}}}injectPageScroll(){const{range:e,vertical:t}=this.properties;if(!e||!t)return;const i=getCurrentPages()||[];let r=null;if(i&&i.length-1>=0&&(r=i[i.length-1]),!r)return;const s=null==r?void 0:r.onPageScroll;r.onPageScroll=e=>{null==s||s.call(this,e),this.observerScrollTop(e)}}observerScrollTop(e){const{scrollTop:t}=e||{};this.pageScrollTop=t}toggleA11yTips(){this.setData({isVisibleToScreenReader:!0}),setTimeout((()=>{this.setData({isVisibleToScreenReader:!1})}),2e3)}renderLine(e){const{min:t,max:i,range:r}=this.properties,{maxRange:s}=this.data;if(r){const r=s*(e[0]-Number(t))/(Number(i)-Number(t)),a=s*(Number(i)-e[1])/(Number(i)-Number(t));this.setLineStyle(r,a)}else this.setSingleBarWidth(e)}triggerValue(e){this.preval!==e&&(this.preval=e,this._trigger("change",{value:trimValue(e,this.properties)}))}handlePropsChange(e){const t=trimValue(e,this.properties),i=()=>{this.setData({_value:t})};0!==this.data.maxRange?i():this.init().then(i)}handleMark(e){const t=e=>{const{max:t,theme:i}=this.properties,{blockSize:r,maxRange:s}=this.data,a="capsule"===i?r/2:0;return e.map((e=>({val:e,left:Math.round(e/Number(t)*s)+a})))};if((null==e?void 0:e.length)&&Array.isArray(e)&&this.setData({isScale:!0,scaleArray:t(e),scaleTextArray:[]}),"[object Object]"===Object.prototype.toString.call(e)){const i=Object.keys(e).map((e=>Number(e))),r=i.map((t=>e[t]));this.setData({isScale:i.length>0,scaleArray:t(i),scaleTextArray:r})}}setSingleBarWidth(e){const{max:t,min:i,theme:r}=this.properties,{maxRange:s,blockSize:a}=this.data,n="capsule"===r?Number(a)/2:0,o=(Number(e)-Number(i))/(Number(t)-Number(i))*s+n;this.setData({lineBarWidth:`${o}px`})}init(){return __awaiter(this,void 0,void 0,(function*(){if(this.data.__inited)return;const e=yield getRect(this,"#sliderLine"),{blockSize:t}=this.data,{theme:i,vertical:r}=this.properties,s=Number(t)/2,{top:a,bottom:n,right:o,left:l}=e;let h=r?n-a:o-l,c=r?a:l,u=r?n:o;0===c&&0===u||("capsule"===i&&(h=h-Number(t)-6,c-=s,u-=s),this.setData({maxRange:h,initialLeft:c,initialRight:u,__inited:!0}),this.bus.emit("initial"))}))}stepValue(e){const{step:t,min:i,max:r}=this.properties,s=String(t).indexOf(".")>-1?String(t).length-String(t).indexOf(".")-1:0;return trimSingleValue(Number((Math.round(e/Number(t))*Number(t)).toFixed(s)),Number(i),Number(r))}onSingleLineTap(e){const{disabled:t}=this.properties;if(t)return;const i=-1===this.data.identifier[0];if(i){const[t]=e.changedTouches;this.data.identifier[0]=t.identifier}const r=this.getSingleChangeValue(e);i&&(this.data.identifier[0]=-1),this.triggerValue(r)}getSingleChangeValue(e){const{min:t,max:i,theme:r,vertical:s}=this.properties,{initialLeft:a,maxRange:n,blockSize:o}=this.data,l=e.changedTouches.find((e=>e.identifier===this.data.identifier[0])),h=this.getPagePosition(l);let c=0;"capsu
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