130 lines
3.6 KiB
JavaScript
130 lines
3.6 KiB
JavaScript
function _extends() { _extends = Object.assign || function (target) { for (var i = 1; i < arguments.length; i++) { var source = arguments[i]; for (var key in source) { if (Object.prototype.hasOwnProperty.call(source, key)) { target[key] = source[key]; } } } return target; }; return _extends.apply(this, arguments); }
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var noop = function noop() {};
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function collectArr(arr, ele) {
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var resArr = arr;
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if (arr instanceof Array) {
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resArr.push(ele);
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} else {
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resArr = [ele];
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}
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return resArr;
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}
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var prefixKey = function prefixKey(prefix) {
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return function (key) {
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return prefix + "-" + key;
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};
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};
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var collapsePrefix = prefixKey('am-collapse');
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Component({
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data: {
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isActive: false,
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contentHeight: 0,
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contentId: '',
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id: '',
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activeKey: []
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},
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props: {
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itemKey: '',
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// 默认随机数
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header: '',
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isOpen: false,
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showArrow: true,
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activeClass: '',
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className: '',
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titleClass: '',
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contentClass: '',
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defaultContentHeight: 0,
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disabled: false,
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collapseKey: ''
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},
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didMount: function didMount() {
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this.initItems();
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},
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methods: {
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initItems: function initItems() {
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var _this$props = this.props,
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itemKey = _this$props.itemKey,
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isOpen = _this$props.isOpen,
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defaultContentHeight = _this$props.defaultContentHeight,
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collapseKey = _this$props.collapseKey;
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this.setData({
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isActive: isOpen,
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contentHeight: defaultContentHeight,
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contentId: this.$id,
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id: itemKey || this.$id
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});
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this.updateStyle({
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isActive: isOpen
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});
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var bindedMethod = this.handleItemDataUpdate.bind(this);
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this.$page[collapsePrefix("updates-" + collapseKey)] = collectArr(this.$page[collapsePrefix("updates-" + collapseKey)], bindedMethod);
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this.$page[collapsePrefix("ids-" + collapseKey)] = collectArr(this.$page[collapsePrefix("ids-" + collapseKey)], this.data.id);
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},
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handleItemDataUpdate: function handleItemDataUpdate(data) {
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this.setData(_extends({}, data));
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var _this$data = this.data,
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activeKey = _this$data.activeKey,
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id = _this$data.id;
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var isActive = activeKey.indexOf(id) !== -1;
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this.setData({
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isActive: isActive
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});
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this.updateStyle({
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isActive: isActive
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});
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},
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onCollapseTap: function onCollapseTap(evt) {
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var collapseKey = this.props.collapseKey;
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if (!this.props.disabled) {
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var dataset = evt.currentTarget.dataset;
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this.$page[collapsePrefix("handleItemTap-" + collapseKey)](dataset.key);
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}
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},
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updateStyle: function updateStyle(_ref) {
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var _this = this;
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var isActive = _ref.isActive,
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_ref$callback = _ref.callback,
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callback = _ref$callback === void 0 ? noop : _ref$callback;
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if (!isActive) {
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this.setData({
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isActive: isActive,
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contentHeight: 0
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});
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callback();
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} else {
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this.calcContentHeight(".am-collapse-item-content." + ("am-collapse-item-content-" + this.$id)).then(function (height) {
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_this.setData({
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isActive: isActive,
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contentHeight: height
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});
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callback();
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});
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}
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},
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calcContentHeight: function calcContentHeight(selector) {
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if (selector === void 0) {
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selector = '';
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}
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return new Promise(function (resolve, reject) {
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my.createSelectorQuery().select(selector).boundingClientRect().exec(function (res) {
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if (res && res[0]) {
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resolve(res[0].height);
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} else {
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reject(res);
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}
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});
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});
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}
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}
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}); |