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import nodeUtil from '../core/utils/node-util';
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Component({
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externalClasses: ['l-class', 'l-title-class', 'l-body-class'],
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relations: {
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'../collapse/index': {
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type: 'parent'
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}
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},
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options: {
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multipleSlots: true,
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pureDataPattern: /^_/
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},
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properties: {
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/**
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* 折叠面板子项自定义id
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*/
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itemId: {
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type: String,
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value: 'default'
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},
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/**
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* 标题文字
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*/
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title: {
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type: String,
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value: '默认标题'
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},
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/**
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* 是否开启自定义标题
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*/
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customTitle: {
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type: Boolean,
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value: false
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},
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/**
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* 是否禁用内容区展开
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*/
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disable: {
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type: Boolean,
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value: false
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},
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/**
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* 内容区域展开动画速度
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*/
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animationTime: {
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type: String,
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value: '0.3'
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}
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},
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data: {
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/**
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* 内容区高度
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*/
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bodyHeight: '0',
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/**
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* 内容区是否展开
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*/
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isExpandContent: false,
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/**
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* 默认id
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*/
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_idDefault: -1,
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},
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methods: {
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/**
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* 点击标题
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*/
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async onTapTitle() {
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if (this.data.disable) {
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return;
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}
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let parents = this.getRelationNodes('../collapse/index');
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await parents[0].onTapCollapseItem(this);
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},
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/**
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* 折叠内容区
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*/
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async foldContent() {
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// 获取 container-body-wrapper 的 css 属性信息
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const containerBodyWrapperRect =
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await nodeUtil.getNodeRectFromComponent(this, '.container-body-wrapper');
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// 这里很重要,先把高度改为固定高度,transition 才会生效
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if (this.data.isExpandContent) {
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this.setData({
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bodyHeight: containerBodyWrapperRect.height + 'px'
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});
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setTimeout(() => {
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this.setData({
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isExpandContent: false,
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bodyHeight: '0px'
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});
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}, 20);
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} else {
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this.setData({
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isExpandContent: false,
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bodyHeight: '0px'
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});
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}
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},
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/**
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* 展开内容区
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*/
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async expandContent() {
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// 获取 container-body-wrapper 的 css 属性信息
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const containerBodyWrapperRect =
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await nodeUtil.getNodeRectFromComponent(this, '.container-body-wrapper');
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this.setData({
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isExpandContent: true,
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bodyHeight: containerBodyWrapperRect.height + 'px'
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});
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},
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/**
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* 过渡效果结束后,把高度改为 auto
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* 不然内容改变时,由于高度固定,内容会显示不全
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*/
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onTransitionend() {
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if (this.data.isExpandContent) {
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this.setData({
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bodyHeight: 'auto'
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});
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}
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}
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}
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});
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