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| <template>
<div class="Tree-content">
<div
v-for="(item, idx) in computedTree"
:key="idx"
:class="{
'Tree-Title': true,
'Tree-SecondLevelTitle': item.$depth > 0,
'Tree-FirstLevelTitle': item.$depth == 0,
active: item.id === computedValue,
}"
>
<div class="Tree-Item" @click="onHandleClick(item)">
<div class="Tree-ItemTxt">{{ item[computedFieldNames.label] }}</div>
</div>
</div>
</div>
</template>
<script>
export default {
name: "menu-tree",
model: {
prop: "value",
event: "change",
},
props: {
options: {
type: Array,
default: () => [],
},
value: [String, Number],
fieldNames: {
type: Object,
},
},
computed: {
computedValue: {
get() {
return this.value;
},
set(row) {
this.$emit("change", row.id);
},
},
computedTree() {
return this.genTree([...this.options]);
},
computedFieldNames() {
return {
children: "children",
label: "label",
key: "key",
...(this.fieldNames || {}),
};
},
},
methods: {
onHandleClick(row) {
this.$emit("change", row.id);
},
genTree(tree = []) {
const data = [];
if (tree.length > 0) {
this._doLoopTreeWithDepth(tree, 0, data);
}
return data;
},
_doLoopTreeWithDepth(list, depth = 0, data = []) {
list.forEach((el, idx) => {
el.$depth = depth;
if (!el.id) {
el.id = `t-${depth}-${idx}`;
}
data.push(el);
if (el[this.computedFieldNames.children]) {
this._doLoopTreeWithDepth(
el[this.computedFieldNames.children],
depth + 1,
data
);
}
});
},
},
};
</script>
<style lang="scss" scoped>
@mixin dot {
content: " ";
position: absolute;
background-color: rgb(133, 144, 166);
display: inline-block;
border-radius: 50%;
top: 12px;
margin-right: 12px;
}
.Tree {
&-content {
box-sizing: border-box;
margin: 0px;
min-width: 0px;
flex-direction: column;
font-size: 12px;
display: flex;
}
&-Title {
box-sizing: border-box;
margin: 0px;
min-width: 0px;
flex-shrink: 0;
display: flex;
-webkit-box-align: center;
align-items: center;
color: rgb(133, 144, 166);
font-size: 12px;
padding-left: 30px;
font-weight: 500;
position: relative;
height: 30px;
line-height: 30px;
}
&-FirstLevelTitle::before {
@include dot;
left: 16px;
width: 6px;
height: 6px;
}
&-SecondLevelTitle::before {
@include dot;
left: 17px;
width: 4px;
height: 4px;
}
&-FirstLevelTitle,
&-SecondLevelTitle {
&::after {
content: " ";
display: block;
position: absolute;
left: 19px;
top: 0px;
transform: translateX(-50%);
width: 2px;
height: 40px;
margin-top: 12px;
background: rgba(133, 144, 166, 0.12);
}
&.active {
color: rgb(0, 102, 255);
}
&.active::before {
background-color: rgb(0, 102, 255);
}
}
&-Title:last-child::after {
height: 0px;
}
&-Item {
box-sizing: border-box;
margin: 0px;
min-width: 0px;
padding-left: 10px;
padding-right: 10px;
display: flex;
cursor: pointer;
-webkit-box-align: center;
align-items: center;
width: 100%;
&:hover {
color: rgb(0, 102, 255);
background: rgb(235, 235, 235);
border-radius: 4px;
}
}
&-ItemTxt {
box-sizing: border-box;
margin: 0px;
min-width: 0px;
display: -webkit-box;
text-overflow: ellipsis;
overflow: hidden;
-webkit-box-orient: vertical;
-webkit-line-clamp: 1;
pointer-events: none;
word-break: break-all;
width: calc(100% - 22px);
}
}
</style>
|
