sider.vue
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<template>
<div
:class="wrapClasses"
:style="wrapStyles">
<span v-show="showZeroTrigger" @click="toggleCollapse" :class="zeroWidthTriggerClasses">
<i class="ivu-icon ivu-icon-navicon-round"></i>
</span>
<div :class="childClasses">
<slot></slot>
</div>
<slot name="trigger">
<div v-show="showBottomTrigger" :class="triggerClasses" @click="toggleCollapse" :style="{width: siderWidth + 'px'}">
<i :class="triggerIconClasses"></i>
</div>
</slot>
</div>
</template>
<script>
import { on, off } from '../../utils/dom';
import { oneOf, dimensionMap, setMatchMedia } from '../../utils/assist';
const prefixCls = 'ivu-layout-sider';
setMatchMedia();
export default {
name: 'Sider',
props: {
value: { // if it's collpased now
type: Boolean,
default: false
},
width: {
type: [Number, String],
default: 200
},
collapsedWidth: {
type: [Number, String],
default: 64
},
hideTrigger: {
type: Boolean,
default: false
},
breakpoint: {
type: String,
validator (val) {
return oneOf(val, ['xs', 'sm', 'md', 'lg', 'xl']);
}
},
collapsible: {
type: Boolean,
default: false
},
defaultCollapsed: {
type: Boolean,
default: false
},
reverseArrow: {
type: Boolean,
default: false
}
},
data () {
return {
prefixCls: prefixCls,
mediaMatched: false,
isCollapsed: false
};
},
computed: {
wrapClasses () {
return [
`${prefixCls}`,
this.siderWidth ? '' : `${prefixCls}-zero-width`,
this.isCollapsed ? `${prefixCls}-collapsed` : ''
];
},
wrapStyles () {
return {
width: `${this.siderWidth}px`,
minWidth: `${this.siderWidth}px`,
maxWidth: `${this.siderWidth}px`,
flex: `0 0 ${this.siderWidth}px`
};
},
triggerClasses () {
return [
`${prefixCls}-trigger`,
this.isCollapsed ? `${prefixCls}-trigger-collapsed` : '',
];
},
childClasses () {
return `${this.prefixCls}-children`;
},
zeroWidthTriggerClasses () {
return [
`${prefixCls}-zero-width-trigger`,
this.reverseArrow ? `${prefixCls}-zero-width-trigger-left` : ''
];
},
triggerIconClasses () {
return [
'ivu-icon',
`ivu-icon-chevron-${this.reverseArrow ? 'right' : 'left'}`,
`${prefixCls}-trigger-icon`,
];
},
siderWidth () {
return this.collapsible ? (this.isCollapsed ? (this.mediaMatched ? 0 : parseInt(this.collapsedWidth)) : parseInt(this.width)) : this.width;
},
showZeroTrigger () {
return this.collapsible ? (this.mediaMatched && !this.hideTrigger || (parseInt(this.collapsedWidth) === 0) && this.isCollapsed && !this.hideTrigger) : false;
},
showBottomTrigger () {
return this.collapsible ? !this.mediaMatched && !this.hideTrigger : false;
}
},
methods: {
toggleCollapse () {
this.isCollapsed = this.collapsible ? !this.isCollapsed : false;
this.$emit('input', this.isCollapsed);
this.$emit('on-collapse', this.isCollapsed);
},
matchMedia () {
let matchMedia;
if (window.matchMedia) {
matchMedia = window.matchMedia;
}
let mediaMatched = this.mediaMatched;
this.mediaMatched = matchMedia(`(max-width: ${dimensionMap[this.breakpoint]})`).matches;
if (this.mediaMatched !== mediaMatched) {
this.isCollapsed = this.collapsible ? this.mediaMatched : false;
this.$emit('input', this.mediaMatched);
this.$emit('on-collapse', this.mediaMatched);
}
},
onWindowResize () {
this.matchMedia();
}
},
mounted () {
if (this.defaultCollapsed) {
this.isCollapsed = true;
this.$emit('input', this.defaultCollapsed);
} else {
if (this.value !== undefined) {
this.isCollapsed = this.value;
}
}
if (this.breakpoint !== undefined) {
on(window, 'resize', this.onWindowResize);
this.matchMedia();
}
},
beforeDestroy () {
if (this.breakpoint !== undefined) {
off(window, 'resize', this.onWindowResize);
}
}
};
</script>