1 line
2.5 KiB
JavaScript
1 line
2.5 KiB
JavaScript
import eventBus from"../core/utils/event-bus.js";import eventUtil from"../core/utils/event-util";Component({externalClasses:["l-form-container-class","l-form-submit-class","l-form-reset-class","l-form-btn-class"],options:{multipleSlots:!0},relations:{"../form-item/index":{type:"child",linked:function(t){this._initItem(t)},linkChanged:function(){},unlinked:function(){}}},properties:{name:{type:String,value:""},isSubmitValidate:{type:Boolean,value:!0}},attached(){this._init()},detached(){for(let t in this._keys)Object.prototype.hasOwnProperty.call(this._keys,t)&&(eventBus.off("lin-form-blur-"+t),eventBus.off("lin-form-change-"+t))},data:{_this:null},methods:{_init(){wx.lin=wx.lin||{},wx.lin.forms=wx.lin.forms||{},wx.lin.forms[this.properties.name]=this,wx.lin.initValidateForm=t=>{wx.lin._instantiation=t},wx.lin.submitForm=function(t){wx.lin.forms[t].submit()},wx.lin.resetForm=function(t){wx.lin.forms[t].reset()}},_initItem(t){this._keys=this._keys||{},this._errors=this._errors||{};const e=t.properties.name;if(eventBus.on("lin-form-blur-"+e,t=>{this._validateItem(t,"blur")}),eventBus.on("lin-form-change-"+e,t=>{clearTimeout(this.change_time),this.change_time=setTimeout(()=>{this._validateItem(t,"change")},200)}),this._keys[e])throw new Error("表单项存在重复的name："+e);this._keys[e]="",this._errors[e]=[]},_validateItem(t,e){let i=wx.lin._instantiation,s=this._getValues();const r=this.getRelationNodes("../form-item/index").find(e=>e.properties.name===t);if(!i.selectComponent("#"+t))throw new Error("表单项不存在name："+t);return r.validatorData(s,e),this._errors[t]=r.data.errors,r.data.errors},_forEachNodes(t,e){let i=this.getRelationNodes("../form-item/index");e&&i.reverse(),i.forEach((e,i)=>{t(e,i)})},_validateForm(){let t=wx.lin._instantiation,e=[],i=this._getValues();return this._forEachNodes(s=>{const r=s.properties.name;if(!t.selectComponent("#"+r))throw new Error("表单项不存在name："+r);s.validatorData(i),this._errors[r]=s.data.errors,e=e.concat(s.data.errors)},!0),e},_getValues(){let t={},e=wx.lin._instantiation;return this._forEachNodes(i=>{const s=i.properties.name,r=e.selectComponent("#"+s);r&&(t[s]=r.getValues())}),t},submit(){let t=this.data.isSubmitValidate?this._validateForm():[];this.triggerEvent("linsubmit",{values:this._getValues(),errors:this.data.isSubmitValidate?this._errors:{},isValidate:0===t.length})},reset(){let t=wx.lin._instantiation;this._forEachNodes(e=>{e.setData({errorText:""});const i=e.properties.name,s=t.selectComponent("#"+i);s&&s.reset()}),eventUtil.emit(this,"linreset")}}}); |