antd-mini
Version:
antd-mini 是支付宝小程序 UI 组件库，遵循 Ant Design 规范。
238 lines (237 loc) • 10.8 kB
JavaScript
var __awaiter = (this && this.__awaiter) || function (thisArg, _arguments, P, generator) {
function adopt(value) { return value instanceof P ? value : new P(function (resolve) { resolve(value); }); }
return new (P || (P = Promise))(function (resolve, reject) {
function fulfilled(value) { try { step(generator.next(value)); } catch (e) { reject(e); } }
function rejected(value) { try { step(generator["throw"](value)); } catch (e) { reject(e); } }
function step(result) { result.done ? resolve(result.value) : adopt(result.value).then(fulfilled, rejected); }
step((generator = generator.apply(thisArg, _arguments || [])).next());
});
};
var __generator = (this && this.__generator) || function (thisArg, body) {
var _ = { label: 0, sent: function() { if (t[0] & 1) throw t[1]; return t[1]; }, trys: [], ops: [] }, f, y, t, g;
return g = { next: verb(0), "throw": verb(1), "return": verb(2) }, typeof Symbol === "function" && (g[Symbol.iterator] = function() { return this; }), g;
function verb(n) { return function (v) { return step([n, v]); }; }
function step(op) {
if (f) throw new TypeError("Generator is already executing.");
while (g && (g = 0, op[0] && (_ = 0)), _) try {
if (f = 1, y && (t = op[0] & 2 ? y["return"] : op[0] ? y["throw"] || ((t = y["return"]) && t.call(y), 0) : y.next) && !(t = t.call(y, op[1])).done) return t;
if (y = 0, t) op = [op[0] & 2, t.value];
switch (op[0]) {
case 0: case 1: t = op; break;
case 4: _.label++; return { value: op[1], done: false };
case 5: _.label++; y = op[1]; op = [0]; continue;
case 7: op = _.ops.pop(); _.trys.pop(); continue;
default:
if (!(t = _.trys, t = t.length > 0 && t[t.length - 1]) && (op[0] === 6 || op[0] === 2)) { _ = 0; continue; }
if (op[0] === 3 && (!t || (op[1] > t[0] && op[1] < t[3]))) { _.label = op[1]; break; }
if (op[0] === 6 && _.label < t[1]) { _.label = t[1]; t = op; break; }
if (t && _.label < t[2]) { _.label = t[2]; _.ops.push(op); break; }
if (t[2]) _.ops.pop();
_.trys.pop(); continue;
}
op = body.call(thisArg, _);
} catch (e) { op = [6, e]; y = 0; } finally { f = t = 0; }
if (op[0] & 5) throw op[1]; return { value: op[0] ? op[1] : void 0, done: true };
}
};
import createValue from '../mixins/value';
import { getInstanceBoundingClientRect } from '../_util/jsapi/get-instance-bounding-client-rect';
import { Component, getValueFromProps, triggerEvent } from '../_util/simply';
import { TabsDefaultProps } from './props';
Component(TabsDefaultProps, {
getInstance: function () {
if (this.$id) {
return my;
}
return this;
},
get$Id: function () {
return this.$id ? "-".concat(this.$id) : '';
},
getBoundingClientRect: function (query) {
return __awaiter(this, void 0, void 0, function () {
return __generator(this, function (_a) {
switch (_a.label) {
case 0: return [4 /*yield*/, getInstanceBoundingClientRect(this.getInstance(), query)];
case 1: return [2 /*return*/, _a.sent()];
}
});
});
},
updateFade: function () {
return __awaiter(this, void 0, void 0, function () {
var items, _a, view, item;
return __generator(this, function (_b) {
switch (_b.label) {
case 0:
this.setData({
leftFade: !!this.scrollLeft,
});
items = getValueFromProps(this, 'items');
return [4 /*yield*/, Promise.all([
this.getBoundingClientRect("#ant-tabs-bar-scroll-view".concat(this.get$Id())),
this.getBoundingClientRect("#ant-tabs-bar-item".concat(this.get$Id(), "-").concat(items.length - 1)),
])];
case 1:
_a = _b.sent(), view = _a[0], item = _a[1];
if (!item || !view) {
return [2 /*return*/];
}
this.setData({
rightFade: item.left + item.width / 2 > view.width,
});
return [2 /*return*/];
}
});
});
},
updateScroll: function () {
return __awaiter(this, void 0, void 0, function () {
var current, _a, view, item, _b, direction, scrollMode, scrollTop, needScroll_1, distance, scrollLeft, needScroll, distance;
return __generator(this, function (_c) {
switch (_c.label) {
case 0:
current = this.getValue();
return [4 /*yield*/, Promise.all([
this.getBoundingClientRect("#ant-tabs-bar-scroll-view".concat(this.get$Id())),
this.getBoundingClientRect("#ant-tabs-bar-item".concat(this.get$Id(), "-").concat(current)),
])];
case 1:
_a = _c.sent(), view = _a[0], item = _a[1];
if (!view || !item) {
return [2 /*return*/];
}
_b = getValueFromProps(this, [
'direction',
'scrollMode',
]), direction = _b[0], scrollMode = _b[1];
if (direction === 'vertical') {
scrollTop = this.scrollTop || 0;
needScroll_1 = false;
if (scrollMode === 'center') {
needScroll_1 = true;
scrollTop +=
item.top - view.top - Math.max((view.height - item.height) / 2, 0);
}
else {
distance = item.top - view.top;
if (distance < 0) {
scrollTop += distance;
needScroll_1 = true;
}
else if (distance + item.height > view.height) {
scrollTop += Math.min(distance + item.height - view.height, distance);
needScroll_1 = true;
}
}
if (needScroll_1) {
if (scrollTop === this.data.scrollTop) {
scrollTop += Math.random();
}
this.setData({
scrollTop: scrollTop,
});
}
return [2 /*return*/];
}
scrollLeft = this.scrollLeft || 0;
needScroll = false;
if (scrollMode === 'center') {
needScroll = true;
scrollLeft +=
item.left - view.left - Math.max((view.width - item.width) / 2, 0);
}
else {
distance = item.left - view.left;
if (distance < 0) {
scrollLeft += distance;
needScroll = true;
}
else if (distance + item.width > view.width) {
scrollLeft += Math.min(distance + item.width - view.width, distance);
needScroll = true;
}
}
if (needScroll) {
if (scrollLeft === this.data.scrollLeft) {
scrollLeft += Math.random();
}
this.setData({
scrollLeft: scrollLeft,
});
this.updateFade();
}
return [2 /*return*/];
}
});
});
},
onScroll: function (e) {
return __awaiter(this, void 0, void 0, function () {
var direction;
return __generator(this, function (_a) {
direction = getValueFromProps(this, 'direction');
if (direction === 'vertical') {
this.scrollTop = e.detail.scrollTop;
return [2 /*return*/];
}
this.scrollLeft = e.detail.scrollLeft;
this.updateFade();
return [2 /*return*/];
});
});
},
onChange: function (e) {
var index = parseInt(e.currentTarget.dataset.index, 10);
var items = getValueFromProps(this, 'items');
if (items[index].disabled) {
return;
}
if (this.getValue() === index) {
return;
}
if (!this.isControlled()) {
this.update(index);
}
triggerEvent(this, 'change', index, e);
},
}, {
scrollHeight: 0,
scrollLeft: 0,
scrollTop: 0,
leftFade: false,
rightFade: false,
}, [
createValue({
valueKey: 'current',
defaultValueKey: 'defaultCurrent',
}),
], {
scrollLeft: 0,
scrollTop: 0,
attached: function () {
var _this = this;
this.updateScroll();
this.getBoundingClientRect('.ant-tabs-bar-item').then(function (res) {
var direction = getValueFromProps(_this, 'direction');
if (res && res.height > 0 && direction !== 'vertical') {
_this.setData({
scrollHeight: res.height,
});
}
else {
_this.setData({
scrollHeight: direction === 'vertical' ? 0 : 40,
});
}
});
},
observers: {
'items': function () {
this.updateScroll();
},
'mixin.current': function () {
this.updateScroll();
},
},
});