button.vue
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<template>
<button
:type="htmlType"
:class="classes"
:disabled="disabled"
@blur="handleBlur"
@click="handleClick"
@focus="handleFocus">
<Icon class="ivu-load-loop" type="load-c" v-if="loading"></Icon>
<Icon :type="icon" v-if="icon && !loading"></Icon>
<span v-if="showSlot" ref="slot"><slot></slot></span>
</button>
</template>
<script>
import Icon from '../icon';
import { oneOf } from '../../utils/assist';
const prefixCls = 'ivu-btn';
export default {
name: 'Button',
components: { Icon },
props: {
type: {
validator (value) {
return oneOf(value, ['primary', 'ghost', 'dashed', 'text', 'info', 'success', 'warning', 'error', 'default']);
}
},
shape: {
validator (value) {
return oneOf(value, ['circle', 'circle-outline']);
}
},
size: {
validator (value) {
return oneOf(value, ['small', 'large', 'default']);
}
},
loading: Boolean,
disabled: Boolean,
htmlType: {
default: 'button',
validator (value) {
return oneOf(value, ['button', 'submit', 'reset']);
}
},
icon: String,
long: {
type: Boolean,
default: false
}
},
data () {
return {
isFocused: false,
showSlot: true
};
},
computed: {
classes () {
return [
`${prefixCls}`,
{
[`${prefixCls}-${this.type}`]: !!this.type,
[`${prefixCls}-long`]: this.long,
[`${prefixCls}-${this.shape}`]: !!this.shape,
[`${prefixCls}-${this.size}`]: !!this.size,
[`${prefixCls}-loading`]: this.loading != null && this.loading,
[`${prefixCls}-icon-only`]: !this.showSlot && (!!this.icon || this.loading),
[`${prefixCls}-focused`]: this.isFocused
}
];
}
},
methods: {
handleBlur () {
this.isFocused = false;
},
handleClick (event) {
this.$emit('click', event);
},
handleFocus () {
this.isFocused = true;
},
},
mounted () {
this.showSlot = this.$slots.default !== undefined;
}
};
</script>