knowledgePoints.vue
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<template>
<el-container class="default-knowledge-body" v-loading="loading">
<el-main class="knowledge-main">
<div>
<el-row :gutter="20" class="knowledge-row" v-if="false">
<el-col :span="8" style="float: right;">
<div class="grid-content bg-purple">
<el-input placeholder="搜索知识点" v-model="knowledgKeyword">
<el-button slot="append" @click="_knowledgSerach" icon="el-icon-search" />
</el-input>
</div>
</el-col>
</el-row>
<el-row :gutter="20" class="knowledge-row">
<el-col>
<label class="input-tags-label">已设置知识点：</label>
<div class="input-tags">
<el-tag class="knowledgTag" v-for="(knowledg, knowledgIndex) in knowledgValues"
:key="knowledgIndex" closable @close="_knowledgRemove(knowledgIndex)">
{{ knowledg[knowledg.length - 1] }}
</el-tag>
</div>
</el-col>
</el-row>
<el-row :gutter="20" class="knowledge-row" style="margin:0px !important;">
<el-cascader-panel :value="knowledgValues" ref="knowledgeCascader" @change="_knowledgeChange"
@expand-change="_knowledgeExpandChange" :props="knowledgeOptions" :options="knowledgeList"
:default-expanded-keys="[]" placeholder="请选择知识点" :filterable="true" />
</el-row>
</div>
</el-main>
<el-footer class="knowledge-footer">
<el-button @click="_opration('cancel')">取 消</el-button>
<el-button type="primary" @click="_opration('confirm')">确 定</el-button>
</el-footer>
</el-container>
</template>
<script>
export default {
props: {
knowledges: "",
///学段
sectionName: "",
///学科
subjectName: "",
},
data() {
return {
loading: false,
///级联选择框参数
knowledgeOptions: {
//多选
multiple: true,
//父子节点不关联
checkStrictly: true
},
knowledgMaxLength: 5,
knowledgeData: [],
knowledgeList: [],
knowledgKeyword: "",
knowledgValues: [],
}
},
methods: {
_opration(opration) {
var outKnowledges = this.knowledgValues.map(mo => {
return '#' + mo.join('#');
});
this.$emit('opration', {
opration: opration,
knowledges: outKnowledges
});
},
_knowledgeChange(values) {
if (values.length > this.knowledgMaxLength) {
this.$message.error(`最多只能选择 ${this.knowledgMaxLength} 项`);
this.$nextTick(() => {
this.$refs.knowledgeCascader.checkedValue = this.knowledgValues;
this.$refs.knowledgeCascader.checkedNodePaths = this.$refs.knowledgeCascader.checkedNodePaths.splice(5, 1)
this.$refs.knowledgeCascader.syncMultiCheckState();
this.$refs.knowledgeCascader.syncActivePath();
})
this._clearNotChecked();
return;
}
this._clearNotChecked();
this.knowledgValues = values;
},
_knowledgeExpandChange(values) {
this._clearNotChecked();
},
_knowledgRemove(knowledgIndex) {
this.knowledgValues.splice(knowledgIndex, 1);
this.$refs.knowledgeCascader.checkedValue = this.knowledgValues;
this.$refs.knowledgeCascader.syncMultiCheckState();
},
_knowledgSerach() {
},
_knowledgFilter(data, query) {
return data
.map((item) => {
const children = item.children ? this._knowledgFilter(item.children, query) : [];
if (children.length || item.value.toLowerCase().indexOf(query) >= 0) {
return {
...item,
children: children.length ? children : undefined,
};
}
return null;
})
.filter((item) => item);
},
async _knowledgInit() {
var { data, info, status } = await this.$request.gKnowledge(this.$props.sectionName, this.$props.subjectName);
if (status != 0) {
this.$message.error(info);
return;
}
this.knowledgeData = [...data];
this.knowledgeList = [...this.knowledgeData]
if (this.$props.knowledges && this.$props.knowledges.length >= 1) {
var propsKnowledges = this.$props.knowledges?.split(',').map(item => item?.split('#').filter(fdl => fdl?.length >= 1));
this.knowledgValues = propsKnowledges;
}
},
_clearNotChecked() {
this.$nextTick(() => {
if (!this.$refs.knowledgeCascader.$el) return;
var checkedPath = this.$refs.knowledgeCascader.$el.querySelectorAll('.in-checked-path');
for (var ofi = 0; ofi < checkedPath.length; ofi++) {
var checkPath = checkedPath[ofi];
var checkPathIsChecked = checkPath.querySelectorAll('.is-checked');
if (checkPathIsChecked.length < 1) {
checkPath.classList.remove('in-checked-path');
}
}
});
}
},
mounted() {
},
async created() {
this.loading = true;
await this._knowledgInit();
this.loading = false;
this.$nextTick(() => {
if (!this.$refs.knowledgeCascader.menus) return;
this.$refs.knowledgeCascader.menus = [this.$refs.knowledgeCascader.menus[0]]
})
this._clearNotChecked();
}
}
</script>
<style lang="scss">
.default-knowledge-body {
padding: 0px !important;
.knowledge-footer {
text-align: right;
padding: 10px;
}
.el-main {
padding: 0px !important;
}
.knowledge-main {
width: 100%;
padding: 0px 10px !important;
.el-cascader-node.in-active-path {
background: #cddbe8 !important;
}
.el-cascader-node.in-active-path:not(.in-checked-path) {
color: #606266 !important;
}
.el-cascader-node.is-selectable.in-active-path {
background: #ecf5ff;
}
.el-cascader-panel {
width: 100% !important;
}
.input-tags-label {
float: left;
line-height: 40px;
margin-right: 12px;
}
.input-tags {
border: 1px solid #DCDFE6;
min-height: 40px;
margin-left: 130px;
border-radius: 5px;
padding: 5px 5px 0px 5px;
}
.knowledge-row {
.knowledgTag {
margin-right: 5px;
margin-bottom: 5px;
}
margin-bottom: 10px;
.el-input-group__append {
background-color: transparent !important;
border-left: none !important;
padding-right: 10px !important;
.el-icon-search {
font-size: 20px;
}
}
.el-input__inner {
border-right: none !important;
}
}
}
}
</style>