2a09d1a4
 liuqimichale
添加宜春 天水 宣化
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<template>
<div
class="el-upload-dragger"
:class="{
'is-dragover': dragover
}"
@drop.prevent="onDrop"
@dragover.prevent="onDragover"
@dragleave.prevent="dragover = false"
>
<slot></slot>
</div>
</template>
<script>
export default {
name: 'ElUploadDrag',
props: {
disabled: Boolean
},
inject: {
uploader: {
default: ''
}
},
data() {
return {
dragover: false
};
},
methods: {
onDragover() {
if (!this.disabled) {
this.dragover = true;
}
},
onDrop(e) {
if (this.disabled || !this.uploader) return;
const accept = this.uploader.accept;
this.dragover = false;
if (!accept) {
this.$emit('file', e.dataTransfer.files);
return;
}
this.$emit('file', [].slice.call(e.dataTransfer.files).filter(file => {
const { type, name } = file;
const extension = name.indexOf('.') > -1
? `.${ name.split('.').pop() }`
: '';
const baseType = type.replace(/\/.*$/, '');
return accept.split(',')
.map(type => type.trim())
.filter(type => type)
.some(acceptedType => {
if (/\..+$/.test(acceptedType)) {
return extension === acceptedType;
}
if (/\/\*$/.test(acceptedType)) {
return baseType === acceptedType.replace(/\/\*$/, '');
}
if (/^[^\/]+\/[^\/]+$/.test(acceptedType)) {
return type === acceptedType;
}
return false;
});
}));
}
}
};
</script>
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