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[new feature] ImagePreview: add change event (#3155)

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neverland 2019-04-15 20:09:42 +08:00 committed by GitHub
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commit 8d1c02cfbd
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1
packages/image-preview/ImagePreview.js
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@ -201,6 +201,7 @@ export default sfc({
onChange(active) { onChange(active) {
this.resetScale(); this.resetScale();
this.active = active; this.active = active;
this.$emit('change', active);
}, },
resetScale() { resetScale() {

1
packages/image-preview/en-US.md
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@ -109,6 +109,7 @@ export default {
| Event | Description | Parameters | | Event | Description | Parameters |
|------|------|------| |------|------|------|
| close | Triggered when close | { index, url } | | close | Triggered when close | { index, url } |
| change | Triggered when current image change | index: index of current image |
### onClose Parematers ### onClose Parematers

1
packages/image-preview/test/index.spec.js
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@ -37,6 +37,7 @@ test('render image', () => {
expect(wrapper.emitted('input')).toBeFalsy(); expect(wrapper.emitted('input')).toBeFalsy();
triggerDrag(swipe, 0, 0); triggerDrag(swipe, 0, 0);
expect(wrapper.emitted('input')[0][0]).toBeFalsy(); expect(wrapper.emitted('input')[0][0]).toBeFalsy();
expect(wrapper.emitted('change')[0][0]).toEqual(2);
}); });
test('async close', () => { test('async close', () => {

1
packages/image-preview/zh-CN.md
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@ -125,6 +125,7 @@ export default {
| 事件 | 说明 | 回调参数 | | 事件 | 说明 | 回调参数 |
|------|------|------| |------|------|------|
| close | 关闭时触发 | { index: 索引, url: 图片链接 } | | close | 关闭时触发 | { index: 索引, url: 图片链接 } |
| change | 切换当前图片时触发 | index, 当前图片的索引 |
### onClose 回调参数 ### onClose 回调参数