weilaiGo/node_modules/vant-weapp/lib/picker/index.js

"use strict";
var __assign = (this && this.__assign) || function () {
    __assign = Object.assign || function(t) {
        for (var s, i = 1, n = arguments.length; i < n; i++) {
            s = arguments[i];
            for (var p in s) if (Object.prototype.hasOwnProperty.call(s, p))
                t[p] = s[p];
        }
        return t;
    };
    return __assign.apply(this, arguments);
};
Object.defineProperty(exports, "__esModule", { value: true });
var component_1 = require("../common/component");
var shared_1 = require("./shared");
component_1.VantComponent({
    classes: ['active-class', 'toolbar-class', 'column-class'],
    props: __assign({}, shared_1.pickerProps, { valueKey: {
            type: String,
            value: 'text'
        }, defaultIndex: {
            type: Number,
            value: 0
        }, columns: {
            type: Array,
            value: [],
            observer: function (columns) {
                if (columns === void 0) { columns = []; }
                this.simple = columns.length && !columns[0].values;
                this.children = this.selectAllComponents('.van-picker__column');
                if (Array.isArray(this.children) && this.children.length) {
                    this.setColumns().catch(function () { });
                }
            }
        } }),
    beforeCreate: function () {
        this.children = [];
    },
    methods: {
        noop: function () { },
        setColumns: function () {
            var _this = this;
            var data = this.data;
            var columns = this.simple ? [{ values: data.columns }] : data.columns;
            var stack = columns.map(function (column, index) {
                return _this.setColumnValues(index, column.values);
            });
            return Promise.all(stack);
        },
        emit: function (event) {
            var type = event.currentTarget.dataset.type;
            if (this.simple) {
                this.$emit(type, {
                    value: this.getColumnValue(0),
                    index: this.getColumnIndex(0)
                });
            }
            else {
                this.$emit(type, {
                    value: this.getValues(),
                    index: this.getIndexes()
                });
            }
        },
        onChange: function (event) {
            if (this.simple) {
                this.$emit('change', {
                    picker: this,
                    value: this.getColumnValue(0),
                    index: this.getColumnIndex(0)
                });
            }
            else {
                this.$emit('change', {
                    picker: this,
                    value: this.getValues(),
                    index: event.currentTarget.dataset.index
                });
            }
        },
        // get column instance by index
        getColumn: function (index) {
            return this.children[index];
        },
        // get column value by index
        getColumnValue: function (index) {
            var column = this.getColumn(index);
            return column && column.getValue();
        },
        // set column value by index
        setColumnValue: function (index, value) {
            var column = this.getColumn(index);
            if (column == null) {
                return Promise.reject(new Error('setColumnValue: 对应列不存在'));
            }
            return column.setValue(value);
        },
        // get column option index by column index
        getColumnIndex: function (columnIndex) {
            return (this.getColumn(columnIndex) || {}).data.currentIndex;
        },
        // set column option index by column index
        setColumnIndex: function (columnIndex, optionIndex) {
            var column = this.getColumn(columnIndex);
            if (column == null) {
                return Promise.reject(new Error('setColumnIndex: 对应列不存在'));
            }
            return column.setIndex(optionIndex);
        },
        // get options of column by index
        getColumnValues: function (index) {
            return (this.children[index] || {}).data.options;
        },
        // set options of column by index
        setColumnValues: function (index, options, needReset) {
            if (needReset === void 0) { needReset = true; }
            var column = this.children[index];
            if (column == null) {
                return Promise.reject(new Error('setColumnValues: 对应列不存在'));
            }
            var isSame = JSON.stringify(column.data.options) === JSON.stringify(options);
            if (isSame) {
                return Promise.resolve();
            }
            return column.set({ options: options }).then(function () {
                if (needReset) {
                    column.setIndex(0);
                }
            });
        },
        // get values of all columns
        getValues: function () {
            return this.children.map(function (child) { return child.getValue(); });
        },
        // set values of all columns
        setValues: function (values) {
            var _this = this;
            var stack = values.map(function (value, index) {
                return _this.setColumnValue(index, value);
            });
            return Promise.all(stack);
        },
        // get indexes of all columns
        getIndexes: function () {
            return this.children.map(function (child) { return child.data.currentIndex; });
        },
        // set indexes of all columns
        setIndexes: function (indexes) {
            var _this = this;
            var stack = indexes.map(function (optionIndex, columnIndex) {
                return _this.setColumnIndex(columnIndex, optionIndex);
            });
            return Promise.all(stack);
        }
    }
});