button.vue
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<template>
<component :is="tagName" :class="classes" :disabled="disabled" @click="handleClickLink" v-bind="tagProps">
<Icon class="ivu-load-loop" type="ios-loading" v-if="loading"></Icon>
<Icon :type="icon" :custom="customIcon" v-if="(icon || customIcon) && !loading"></Icon>
<span v-if="showSlot" ref="slot"><slot></slot></span>
</component>
</template>
<script>
import Icon from '../icon';
import { oneOf } from '../../utils/assist';
import mixinsLink from '../../mixins/link';
const prefixCls = 'ivu-btn';
export default {
name: 'Button',
mixins: [ mixinsLink ],
components: { Icon },
props: {
type: {
validator (value) {
return oneOf(value, ['default', 'primary', 'dashed', 'text', 'info', 'success', 'warning', 'error', 'search', 'confirm', 'cancel', 'reset']);
},
default: 'default'
},
shape: {
validator (value) {
return oneOf(value, ['circle', 'circle-outline']);
}
},
size: {
validator (value) {
return oneOf(value, ['small', 'large', 'default']);
},
default () {
return !this.$IVIEW || this.$IVIEW.size === '' ? 'default' : this.$IVIEW.size;
}
},
loading: Boolean,
disabled: Boolean,
htmlType: {
default: 'button',
validator (value) {
return oneOf(value, ['button', 'submit', 'reset']);
}
},
icon: {
type: String,
default: ''
},
customIcon: {
type: String,
default: ''
},
long: {
type: Boolean,
default: false
},
ghost: {
type: Boolean,
default: false
}
},
data () {
return {
showSlot: true
};
},
computed: {
classes () {
return [
`${prefixCls}`,
`${prefixCls}-${this.type}`,
{
[`${prefixCls}-long`]: this.long,
[`${prefixCls}-${this.shape}`]: !!this.shape,
[`${prefixCls}-${this.size}`]: this.size !== 'default',
[`${prefixCls}-loading`]: this.loading != null && this.loading,
[`${prefixCls}-icon-only`]: !this.showSlot && (!!this.icon || !!this.customIcon || this.loading),
[`${prefixCls}-ghost`]: this.ghost
}
];
},
// Point out if it should render as <a> tag
isHrefPattern() {
const {to} = this;
return !!to;
},
tagName() {
const {isHrefPattern} = this;
return isHrefPattern ? 'a' : 'button';
},
tagProps() {
const {isHrefPattern} = this;
if(isHrefPattern) {
const {linkUrl,target}=this;
return {href: linkUrl, target};
} else {
const {htmlType} = this;
return {type: htmlType};
}
}
},
methods: {
// Ctrl or CMD and click, open in new window when use `to`
handleClickLink (event) {
this.$emit('click', event);
const openInNewWindow = event.ctrlKey || event.metaKey;
this.handleCheckClick(event, openInNewWindow);
}
},
mounted () {
this.showSlot = this.$slots.default !== undefined;
}
};
</script>