antd-mini
Version:
antd-mini 是支付宝小程序 UI 组件库，遵循 Ant Design 规范。
253 lines (252 loc) • 10.8 kB
JavaScript
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);
};
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;
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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 equal from 'fast-deep-equal';
import { getAllInstanceBoundingClientRect, getInstanceBoundingClientRect, } from '../_util/jsapi/get-instance-bounding-client-rect';
import { Component, getValueFromProps, triggerEventValues, } from '../_util/simply';
import { IndexBarDefaultProps } from './props';
Component(IndexBarDefaultProps, {
getInstance: function () {
if (this.$id) {
return my;
}
return this;
},
init: function (nextProps) {
var _this = this;
var defaultCurrent = nextProps.defaultCurrent, current = nextProps.current, items = nextProps.items;
this.initItemHeight();
var initCurrent = this.isControlled(nextProps)
? current
: defaultCurrent;
var _index = items === null || items === void 0 ? void 0 : items.findIndex(function (u) { return initCurrent === u.label; });
this.setData({
currentKey: _index,
touchKeyIndex: _index,
touchKey: initCurrent,
}, function () {
_this.setData({
touchKeyIndex: -1,
touchKey: '',
});
});
},
isControlled: function (nextProps, valueKey) {
if (valueKey === void 0) { valueKey = 'current'; }
if ('controlled' in nextProps) {
return nextProps.controlled;
}
return valueKey in nextProps;
},
// 初始化每个块的高度，用已计算滑动距离
initItemHeight: function () {
return __awaiter(this, void 0, void 0, function () {
var ret, height;
return __generator(this, function (_a) {
switch (_a.label) {
case 0: return [4 /*yield*/, getInstanceBoundingClientRect(this.getInstance(), "#ant-alphabet-0")];
case 1:
ret = _a.sent();
if (ret === null)
return [2 /*return*/];
height = ret.height;
this.setData({ itemHeight: height });
return [2 /*return*/];
}
});
});
},
onTouchStart: function (e) {
var moving = this.data.moving;
var items = getValueFromProps(this, 'items');
if (moving)
return;
var _a = e.currentTarget.dataset.item, item = _a.item, index = _a.index;
var point = (e && e.touches && e.touches[0]) || {};
var clientY = point.clientY;
this.setData({
touchClientY: clientY,
touchKeyIndex: index,
touchKey: items[index].label,
moving: true,
showMask: true,
currentKey: index,
});
this.onAlphabetClick(item, index); // 触摸开始
},
onAlphabetClick: function (item, index) {
return __awaiter(this, void 0, void 0, function () {
var vibrate, _a;
return __generator(this, function (_b) {
switch (_b.label) {
case 0:
vibrate = getValueFromProps(this, 'vibrate');
// @ts-ignore
_a = vibrate;
if (!_a)
// @ts-ignore
return [3 /*break*/, 2];
return [4 /*yield*/, wx.vibrateShort()];
case 1:
_a = (_b.sent());
_b.label = 2;
case 2:
// @ts-ignore
_a;
triggerEventValues(this, 'change', [item, index]);
return [2 /*return*/];
}
});
});
},
onTouchEnd: function () {
// 没进入moving状态就不处理
if (!this.data.moving)
return;
this.setData({
touchKeyIndex: -1,
touchKey: '',
showMask: false,
moving: false,
});
},
onTouchMove: function (e) {
var _a = this.data, touchClientY = _a.touchClientY, touchKeyIndex = _a.touchKeyIndex, itemHeight = _a.itemHeight, touchKey = _a.touchKey;
var items = getValueFromProps(this, 'items');
var point = e.changedTouches[0];
var movePageY = point.clientY;
// 滑动距离
var movingHeight = Math.abs(movePageY - touchClientY);
// 滑动几个itemHeight的距离即等于滑动了几格，不那么精准，但是几乎可以忽略不计
var movingNum = parseInt("".concat(movingHeight / itemHeight), 10);
// 上 or 下
var isUp = movePageY < touchClientY;
// 新的触发的索引应该在哪个index
var newIndex = isUp
? touchKeyIndex - movingNum
: touchKeyIndex + movingNum;
// 超出索引列表范围 or 索引没变化return
if (!items[newIndex] || touchKey === items[newIndex].label)
return;
// 结算
this.setData({ touchKey: items[newIndex].label, currentKey: newIndex });
this.onAlphabetClick(items[newIndex], newIndex);
},
onScroll: function (e) {
var _a = this.data, topRange = _a.topRange, currentKey = _a.currentKey, moving = _a.moving;
var items = getValueFromProps(this, 'items');
var scrollTop = e.detail.scrollTop;
var newIndex = 0;
if (scrollTop + 1 > topRange[topRange.length - 1]) {
newIndex = topRange.length;
}
else {
newIndex = topRange === null || topRange === void 0 ? void 0 : topRange.findIndex(function (h) { return scrollTop + 1 < h; });
}
if (currentKey !== newIndex - 1 && newIndex - 1 >= 0 && !moving) {
this.setData({
currentKey: newIndex - 1,
});
this.onAlphabetClick(items[newIndex - 1], newIndex - 1);
}
},
initTopRange: function () {
return __awaiter(this, void 0, void 0, function () {
var ret, arr;
return __generator(this, function (_a) {
switch (_a.label) {
case 0: return [4 /*yield*/, getAllInstanceBoundingClientRect(this.getInstance(), '.ant-indexbar-side-list')];
case 1:
ret = _a.sent();
if (ret.length === 0)
return [2 /*return*/];
arr = [];
ret.forEach(function (u) {
arr.push(u.top - ret[0].top);
});
this.setData({ topRange: arr, hasDefaultSlot: !!ret[0].height });
return [2 /*return*/];
}
});
});
},
}, {
touchClientY: 0,
touchKeyIndex: -1,
touchKey: '',
itemHeight: 16,
moving: false,
showMask: false,
currentKey: 0,
topRange: [],
hasDefaultSlot: true,
}, undefined, {
attached: function () {
this.init(getValueFromProps(this));
},
observers: {
'**': function (data) {
var prevData = this._prevData || this.data;
this._prevData = __assign({}, data);
if (!equal(prevData.items, data.items)) {
this.init(data.items);
}
if (!equal(prevData.current, data.current)) {
var _index = data.items.findIndex(function (u) { return data.current === u.label; });
this.setData({
currentKey: _index,
});
if (!this.isControlled(data)) {
this.setData({
touchKeyIndex: _index,
touchKey: data.current,
});
}
}
},
},
});