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e.children?"cascade":e.values?"object":"text"}},watch:{columns:{handler:"format",immediate:!0}},methods:{format:function(){var t=this.columns,e=this.dataType;"text"===e?this.formattedColumns=[{values:t}]:"cascade"===e?this.formatCascade():this.formattedColumns=t},formatCascade:function(){var t=[],e={children:this.columns};while(e&&e.children){var i,n=e,s=n.children,a=null!=(i=e.defaultIndex)?i:+this.defaultIndex;while(s[a]&&s[a].disabled){if(!(a<s.length-1)){a=0;break}a++}t.push({values:e.children,className:e.className,defaultIndex:a}),e=s[a]}this.formattedColumns=t},emit:function(t){var e=this;if("text"===this.dataType)this.$emit(t,this.getColumnValue(0),this.getColumnIndex(0));else{var i=this.getValues();"cascade"===this.dataType&&(i=i.map((function(t){return t[e.valueKey]}))),this.$emit(t,i,this.getIndexes())}},onCascadeChange:function(t){for(var e={children:this.columns},i=this.getIndexes(),n=0;n<=t;n++)e=e.children[i[n]];while(e&&e.children)t++,this.setColumnValues(t,e.children),e=e.children[e.defaultIndex||0]},onChange:function(t){var e=this;if("cascade"===this.dataType&&this.onCascadeChange(t),"text"===this.dataType)this.$emit("change",this,this.getColumnValue(0),this.getColumnIndex(0));else{var i=this.getValues();"cascade"===this.dataType&&(i=i.map((function(t){return t[e.valueKey]}))),this.$emit("change",this,i,t)}},getColumn:function(t){return this.children[t]},getColumnValue:function(t){var e=this.getColumn(t);return e&&e.getValue()},setColumnValue:function(t,e){var i=this.getColumn(t);i&&(i.setValue(e),"cascade"===this.dataType&&this.onCascadeChange(t))},getColumnIndex:function(t){return(this.getColumn(t)||{}).currentIndex},setColumnIndex:function(t,e){var i=this.getColumn(t);i&&(i.setIndex(e),"cascade"===this.dataType&&this.onCascadeChange(t))},getColumnValues:function(t){return(this.children[t]||{}).options},setColumnValues:function(t,e){var i=this.children[t];i&&i.setOptions(e)},getValues:function(){return this.children.map((function(t){return t.getValue()}))},setValues:function(t){var e=this;t.forEach((function(t,i){e.setColumnValue(i,t)}))},getIndexes:function(){return this.children.map((function(t){return t.currentIndex}))},setIndexes:function(t){var e=this;t.forEach((function(t,i){e.setColumnIndex(i,t)}))},confirm:function(){this.children.forEach((function(t){return t.stopMomentum()})),this.emit("confirm")},cancel:function(){this.emit("cancel")},genTitle:function(){var t=this.$createElement,e=this.slots("title");return e||(this.title?t("div",{class:["van-ellipsis",j("title")]},[this.title]):void 0)},genCancel:function(){var t=this.$createElement;return t("button",{attrs:{type:"button"},class:j("cancel"),on:{click:this.cancel}},[this.slots("cancel")||this.cancelButtonText||B("cancel")])},genConfirm:function(){var t=this.$createElement;return t("button",{attrs:{type:"button"},class:j("confirm"),on:{click:this.confirm}},[this.slots("confirm")||this.confirmButtonText||B("confirm")])},genToolbar:function(){var t=this.$createElement;if(this.showToolbar)return t("div",{class:j("toolbar")},[this.slots()||[this.genCancel(),this.genTitle(),this.genConfirm()]])},genColumns:function(){var t=this.$createElement,e=this.itemPxHeight,i=e*this.visibleItemCount,n={height:e+"px"},s={height:i+"px"},o={backgroundSize:"100% "+(i-e)/2+"px"};return t("div",{class:j("columns"),style:s,on:{touchmove:a["c"]}},[this.genColumnItems(),t("div",{class:j("mask"),style:o}),t("div",{class:[r["e"],j("frame")],style:n})])},genColumnItems:function(){var t=this,e=this.$createElement;return this.formattedColumns.map((function(i,n){var s;return e(k,{attrs:{readonly:t.readonly,valueKey:t.valueKey,allowHtml:t.allowHtml,className:i.className,itemHeight:t.itemPxHeight,defaultIndex:null!=(s=i.defaultIndex)?s:+t.defaultIndex,swipeDuration:t.swipeDuration,visibleItemCount:t.visibleItemCount,initialOptions:i.values},scopedSlots:{option:t.$scopedSlots.option},on:{change:function(){t.onChange(n)}}})}))}},render:function(t){return t("div",{class:j()},["top"===this.toolbarPosition?this.genToolbar():t(),this.loading?t(c["a"],{class:j("loading")}):t(),this.slots("columns-top"),this.genColumns(),this.slots("columns-bottom"),"bottom"===this.toolbarPosition?this.genToolbar():t()])}})}}]);
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