index.js
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'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(__assign({}, shared_1.pickerProps), {
valueKey: {
type: String,
value: 'text',
},
toolbarPosition: {
type: String,
value: 'top',
},
defaultIndex: {
type: Number,
value: 0,
},
columns: {
type: Array,
value: [],
observer: function (columns) {
if (columns === void 0) {
columns = [];
}
this.simple = columns.length && !columns[0].values;
if (Array.isArray(this.children) && this.children.length) {
this.setColumns().catch(function () {});
}
},
},
}),
beforeCreate: function () {
var _this = this;
Object.defineProperty(this, 'children', {
get: function () {
return _this.selectAllComponents('.van-picker__column') || [];
},
});
},
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);
},
},
});