"use strict";
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var _interopRequireDefault = require("@babel/runtime/helpers/interopRequireDefault");
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exports.__esModule = true;
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exports.default = void 0;
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var _extends2 = _interopRequireDefault(require("@babel/runtime/helpers/extends"));
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var _utils = require("../utils");
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var _event = require("../utils/dom/event");
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var _constant = require("../utils/constant");
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var _shared = require("./shared");
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var _unit = require("../utils/format/unit");
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var _loading = _interopRequireDefault(require("../loading"));
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var _PickerColumn = _interopRequireDefault(require("./PickerColumn"));
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// Utils
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// Components
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var _createNamespace = (0, _utils.createNamespace)('picker'),
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createComponent = _createNamespace[0],
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bem = _createNamespace[1],
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t = _createNamespace[2];
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var _default2 = createComponent({
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props: (0, _extends2.default)({}, _shared.pickerProps, {
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defaultIndex: {
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type: [Number, String],
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default: 0
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},
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columns: {
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type: Array,
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default: function _default() {
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return [];
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}
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},
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toolbarPosition: {
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type: String,
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default: 'top'
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},
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valueKey: {
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type: String,
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default: 'text'
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}
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}),
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data: function data() {
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return {
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children: [],
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formattedColumns: []
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};
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},
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computed: {
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itemPxHeight: function itemPxHeight() {
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return this.itemHeight ? (0, _unit.unitToPx)(this.itemHeight) : _shared.DEFAULT_ITEM_HEIGHT;
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},
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dataType: function dataType() {
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var columns = this.columns;
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var firstColumn = columns[0] || {};
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if (firstColumn.children) {
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return 'cascade';
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}
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if (firstColumn.values) {
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return 'object';
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}
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return 'text';
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}
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},
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watch: {
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columns: {
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handler: 'format',
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immediate: true
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}
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},
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methods: {
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format: function format() {
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var columns = this.columns,
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dataType = this.dataType;
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if (dataType === 'text') {
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this.formattedColumns = [{
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values: columns
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}];
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} else if (dataType === 'cascade') {
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this.formatCascade();
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} else {
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this.formattedColumns = columns;
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}
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},
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formatCascade: function formatCascade() {
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var formatted = [];
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var cursor = {
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children: this.columns
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};
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while (cursor && cursor.children) {
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var _cursor$defaultIndex;
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var _cursor = cursor,
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children = _cursor.children;
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var defaultIndex = (_cursor$defaultIndex = cursor.defaultIndex) != null ? _cursor$defaultIndex : +this.defaultIndex;
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while (children[defaultIndex] && children[defaultIndex].disabled) {
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if (defaultIndex < children.length - 1) {
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defaultIndex++;
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} else {
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defaultIndex = 0;
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break;
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}
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}
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formatted.push({
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values: cursor.children,
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className: cursor.className,
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defaultIndex: defaultIndex
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});
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cursor = children[defaultIndex];
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}
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this.formattedColumns = formatted;
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},
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emit: function emit(event) {
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var _this = this;
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if (this.dataType === 'text') {
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this.$emit(event, this.getColumnValue(0), this.getColumnIndex(0));
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} else {
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var values = this.getValues(); // compatible with old version of wrong parameters
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// should be removed in next major version
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// see: https://github.com/vant-ui/vant/issues/5905
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if (this.dataType === 'cascade') {
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values = values.map(function (item) {
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return item[_this.valueKey];
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});
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}
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this.$emit(event, values, this.getIndexes());
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}
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},
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onCascadeChange: function onCascadeChange(columnIndex) {
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var cursor = {
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children: this.columns
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};
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var indexes = this.getIndexes();
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for (var i = 0; i <= columnIndex; i++) {
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cursor = cursor.children[indexes[i]];
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}
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while (cursor && cursor.children) {
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columnIndex++;
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this.setColumnValues(columnIndex, cursor.children);
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cursor = cursor.children[cursor.defaultIndex || 0];
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}
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},
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onChange: function onChange(columnIndex) {
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var _this2 = this;
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if (this.dataType === 'cascade') {
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this.onCascadeChange(columnIndex);
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}
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if (this.dataType === 'text') {
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this.$emit('change', this, this.getColumnValue(0), this.getColumnIndex(0));
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} else {
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var values = this.getValues(); // compatible with old version of wrong parameters
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// should be removed in next major version
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// see: https://github.com/vant-ui/vant/issues/5905
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if (this.dataType === 'cascade') {
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values = values.map(function (item) {
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return item[_this2.valueKey];
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});
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}
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this.$emit('change', this, values, columnIndex);
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}
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},
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// get column instance by index
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getColumn: function getColumn(index) {
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return this.children[index];
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},
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// @exposed-api
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// get column value by index
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getColumnValue: function getColumnValue(index) {
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var column = this.getColumn(index);
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return column && column.getValue();
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},
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// @exposed-api
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// set column value by index
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setColumnValue: function setColumnValue(index, value) {
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var column = this.getColumn(index);
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if (column) {
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column.setValue(value);
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if (this.dataType === 'cascade') {
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this.onCascadeChange(index);
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}
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}
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},
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// @exposed-api
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// get column option index by column index
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getColumnIndex: function getColumnIndex(columnIndex) {
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return (this.getColumn(columnIndex) || {}).currentIndex;
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},
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// @exposed-api
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// set column option index by column index
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setColumnIndex: function setColumnIndex(columnIndex, optionIndex) {
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var column = this.getColumn(columnIndex);
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if (column) {
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column.setIndex(optionIndex);
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if (this.dataType === 'cascade') {
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this.onCascadeChange(columnIndex);
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}
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}
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},
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// @exposed-api
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// get options of column by index
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getColumnValues: function getColumnValues(index) {
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return (this.children[index] || {}).options;
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},
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// @exposed-api
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// set options of column by index
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setColumnValues: function setColumnValues(index, options) {
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var column = this.children[index];
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if (column) {
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column.setOptions(options);
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}
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},
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// @exposed-api
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// get values of all columns
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getValues: function getValues() {
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return this.children.map(function (child) {
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return child.getValue();
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});
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},
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// @exposed-api
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// set values of all columns
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setValues: function setValues(values) {
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var _this3 = this;
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values.forEach(function (value, index) {
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_this3.setColumnValue(index, value);
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});
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},
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// @exposed-api
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// get indexes of all columns
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getIndexes: function getIndexes() {
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return this.children.map(function (child) {
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return child.currentIndex;
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});
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},
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// @exposed-api
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// set indexes of all columns
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setIndexes: function setIndexes(indexes) {
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var _this4 = this;
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indexes.forEach(function (optionIndex, columnIndex) {
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_this4.setColumnIndex(columnIndex, optionIndex);
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});
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},
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// @exposed-api
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confirm: function confirm() {
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this.children.forEach(function (child) {
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return child.stopMomentum();
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});
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this.emit('confirm');
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},
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cancel: function cancel() {
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this.emit('cancel');
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},
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genTitle: function genTitle() {
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var h = this.$createElement;
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var titleSlot = this.slots('title');
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if (titleSlot) {
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return titleSlot;
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}
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if (this.title) {
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return h("div", {
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"class": ['van-ellipsis', bem('title')]
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}, [this.title]);
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}
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},
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genCancel: function genCancel() {
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var h = this.$createElement;
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return h("button", {
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"attrs": {
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"type": "button"
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},
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"class": bem('cancel'),
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"on": {
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"click": this.cancel
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}
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}, [this.slots('cancel') || this.cancelButtonText || t('cancel')]);
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},
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genConfirm: function genConfirm() {
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var h = this.$createElement;
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return h("button", {
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"attrs": {
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"type": "button"
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},
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"class": bem('confirm'),
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"on": {
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"click": this.confirm
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}
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}, [this.slots('confirm') || this.confirmButtonText || t('confirm')]);
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},
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genToolbar: function genToolbar() {
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var h = this.$createElement;
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if (this.showToolbar) {
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return h("div", {
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"class": bem('toolbar')
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}, [this.slots() || [this.genCancel(), this.genTitle(), this.genConfirm()]]);
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}
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},
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genColumns: function genColumns() {
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var h = this.$createElement;
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var itemPxHeight = this.itemPxHeight;
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var wrapHeight = itemPxHeight * this.visibleItemCount;
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var frameStyle = {
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height: itemPxHeight + "px"
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};
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var columnsStyle = {
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height: wrapHeight + "px"
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};
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var maskStyle = {
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backgroundSize: "100% " + (wrapHeight - itemPxHeight) / 2 + "px"
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};
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return h("div", {
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"class": bem('columns'),
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"style": columnsStyle,
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"on": {
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"touchmove": _event.preventDefault
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}
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}, [this.genColumnItems(), h("div", {
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"class": bem('mask'),
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"style": maskStyle
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}), h("div", {
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"class": [_constant.BORDER_UNSET_TOP_BOTTOM, bem('frame')],
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"style": frameStyle
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})]);
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},
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genColumnItems: function genColumnItems() {
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var _this5 = this;
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var h = this.$createElement;
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return this.formattedColumns.map(function (item, columnIndex) {
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var _item$defaultIndex;
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return h(_PickerColumn.default, {
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"attrs": {
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"readonly": _this5.readonly,
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"valueKey": _this5.valueKey,
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"allowHtml": _this5.allowHtml,
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"className": item.className,
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"itemHeight": _this5.itemPxHeight,
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"defaultIndex": (_item$defaultIndex = item.defaultIndex) != null ? _item$defaultIndex : +_this5.defaultIndex,
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"swipeDuration": _this5.swipeDuration,
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"visibleItemCount": _this5.visibleItemCount,
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"initialOptions": item.values
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},
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"scopedSlots": {
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option: _this5.$scopedSlots.option
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},
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"on": {
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"change": function change() {
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_this5.onChange(columnIndex);
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}
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}
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});
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});
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}
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},
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render: function render(h) {
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return h("div", {
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"class": bem()
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}, [this.toolbarPosition === 'top' ? this.genToolbar() : h(), this.loading ? h(_loading.default, {
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"class": bem('loading')
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}) : h(), this.slots('columns-top'), this.genColumns(), this.slots('columns-bottom'), this.toolbarPosition === 'bottom' ? this.genToolbar() : h()]);
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}
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});
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exports.default = _default2;
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