index.vue
1.88 KB
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<template>
<div class="zui-tab-bar">
<div class="zui-tab-bar-inner">
<div class="zui-tab-bar-list">
<div class="zui-tab-bar-item" :class="itemClassRender(item)" v-for="(item, index) in items" :key="item.name" @click="$_onClick(item, index)">
<slot name="item" :item="item" :items="items" :index="index" :currentName="currentName">{{ item.label }}</slot>
</div>
</div>
</div>
</div>
</template>
<script>
export default {
name: "TabBar",
props: {
value: {
type: [String, Number],
default: ""
},
items: {
type: Array,
default: function() {
return [];
}
}
},
data: function() {
return {
currentName: ""
};
},
computed: {
currentIndex: function() {
for (var i = 0, len = this.items.length; i < len; i++) {
if (this.items[i].name == this.currentName) {
return i;
}
}
},
currentTab: function() {
if (this.currentIndex) {
return this.items[this.currentIndex];
}
}
},
watch: {
value: {
immediate: true,
handler: function(val) {
if (val != this.currentName) {
this.currentName = val;
}
}
}
},
created: function() {
if (this.currentName == "" && this.items.length) {
this.currentName = this.items[0].name;
this.$emit("change", this.items[0].name, this.items[0], 0, 0);
}
},
methods: {
$_onClick: function(item, index) {
if (item.disabled) {
return;
}
this.$emit("change", item.name, item, index, this.currentIndex);
this.currentName = item.name;
this.$emit("input", item.name);
},
itemClassRender: function(item) {
return {
"is-active": this.currentName == item.name,
"is-disabled": !!item.disabled
};
}
}
};
</script>
<style>
@import "./index.css";
</style>