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