deguodaigou/utils/dist/image/index.js
2019-12-14 09:20:48 +08:00

99 lines
2.4 KiB
JavaScript

import { addUnit, isDef } from '../common/utils';
import { VantComponent } from '../common/component';
import { button } from '../mixins/button';
import { openType } from '../mixins/open-type';
const FIT_MODE_MAP = {
none: 'center',
fill: 'scaleToFill',
cover: 'aspectFill',
contain: 'aspectFit'
};
VantComponent({
mixins: [button, openType],
classes: ['custom-class', 'loading-class', 'error-class', 'image-class'],
props: {
src: String,
round: Boolean,
width: {
type: null,
observer: 'setStyle'
},
height: {
type: null,
observer: 'setStyle'
},
radius: null,
lazyLoad: Boolean,
useErrorSlot: Boolean,
useLoadingSlot: Boolean,
showMenuByLongpress: Boolean,
fit: {
type: String,
value: 'fill',
observer: 'setMode'
},
showError: {
type: Boolean,
value: true
},
showLoading: {
type: Boolean,
value: true
}
},
data: {
error: false,
loading: true
},
watch: {
src() {
this.setData({
error: false,
loading: true
});
}
},
mounted() {
this.setMode();
this.setStyle();
},
methods: {
setMode() {
this.setData({
mode: FIT_MODE_MAP[this.data.fit],
});
},
setStyle() {
const { width, height, radius } = this.data;
let style = '';
if (isDef(width)) {
style += `width: ${addUnit(width)};`;
}
if (isDef(height)) {
style += `height: ${addUnit(height)};`;
}
if (isDef(radius)) {
style += 'overflow: hidden;';
style += `border-radius: ${addUnit(radius)};`;
}
this.setData({ style });
},
onLoad(event) {
this.setData({
loading: false
});
this.$emit('load', event.detail);
},
onError(event) {
this.setData({
loading: false,
error: true
});
this.$emit('error', event.detail);
},
onClick(event) {
this.$emit('click', event.detail);
}
}
});