index.js
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'use strict';
Object.defineProperty(exports, '__esModule', { value: true });
var component_1 = require('../common/component');
var relation_1 = require('../common/relation');
var utils_1 = require('../common/utils');
var ARRAY = [];
component_1.VantComponent({
field: true,
relation: relation_1.useChildren('dropdown-item', function () {
this.updateItemListData();
}),
props: {
activeColor: {
type: String,
observer: 'updateChildrenData',
},
overlay: {
type: Boolean,
value: true,
observer: 'updateChildrenData',
},
zIndex: {
type: Number,
value: 10,
},
duration: {
type: Number,
value: 200,
observer: 'updateChildrenData',
},
direction: {
type: String,
value: 'down',
observer: 'updateChildrenData',
},
closeOnClickOverlay: {
type: Boolean,
value: true,
observer: 'updateChildrenData',
},
closeOnClickOutside: {
type: Boolean,
value: true,
},
},
data: {
itemListData: [],
},
beforeCreate: function () {
var windowHeight = utils_1.getSystemInfoSync().windowHeight;
this.windowHeight = windowHeight;
ARRAY.push(this);
},
destroyed: function () {
var _this = this;
ARRAY = ARRAY.filter(function (item) {
return item !== _this;
});
},
methods: {
updateItemListData: function () {
this.setData({
itemListData: this.children.map(function (child) {
return child.data;
}),
});
},
updateChildrenData: function () {
this.children.forEach(function (child) {
child.updateDataFromParent();
});
},
toggleItem: function (active) {
this.children.forEach(function (item, index) {
var showPopup = item.data.showPopup;
if (index === active) {
item.toggle();
} else if (showPopup) {
item.toggle(false, { immediate: true });
}
});
},
close: function () {
this.children.forEach(function (child) {
child.toggle(false, { immediate: true });
});
},
getChildWrapperStyle: function () {
var _this = this;
var _a = this.data,
zIndex = _a.zIndex,
direction = _a.direction;
return utils_1.getRect(this, '.van-dropdown-menu').then(function (rect) {
var _a = rect.top,
top = _a === void 0 ? 0 : _a,
_b = rect.bottom,
bottom = _b === void 0 ? 0 : _b;
var offset = direction === 'down' ? bottom : _this.windowHeight - top;
var wrapperStyle = 'z-index: ' + zIndex + ';';
if (direction === 'down') {
wrapperStyle += 'top: ' + utils_1.addUnit(offset) + ';';
} else {
wrapperStyle += 'bottom: ' + utils_1.addUnit(offset) + ';';
}
return wrapperStyle;
});
},
onTitleTap: function (event) {
var _this = this;
var index = event.currentTarget.dataset.index;
var child = this.children[index];
if (!child.data.disabled) {
ARRAY.forEach(function (menuItem) {
if (
menuItem &&
menuItem.data.closeOnClickOutside &&
menuItem !== _this
) {
menuItem.close();
}
});
this.toggleItem(index);
}
},
},
});