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| Original file line number | Diff line number | Diff line change |
|---|---|---|
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@@ -37,5 +37,5 @@ export enum QUESTION_TYPE { | |
| /** | ||
| * 多级联动 | ||
| */ | ||
| MULTILEVEL = 'multilevel', | ||
| CASCADER = 'cascader', | ||
| } | ||
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,138 @@ | ||
| import { ElMessageBox } from 'element-plus' | ||
| import { ref } from 'vue' | ||
| import { cloneDeep } from 'lodash-es' | ||
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| interface NodeItem { | ||
| hash: string, | ||
| text: string, | ||
| children?: NodeItem[], | ||
| } | ||
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| type CascaderDate = { | ||
| placeholder: Array<{ | ||
| hash: string, | ||
| text: string, | ||
| }>, | ||
| children: Array<NodeItem>, | ||
| } | ||
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| export const useCascaderPull = () => { | ||
| const maxCount = 3; | ||
| const optionsCount = 50; | ||
| const cascaderVal = ref<Array<null | NodeItem>>([]); | ||
| const cascaderData = ref<CascaderDate | null>(null) | ||
| let hashArr: Array<string> = []; | ||
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| const extractHash = (obj: CascaderDate): Array<string> => { | ||
| const hashes: Array<string> = []; | ||
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| function recurse(currentObj: any) { | ||
| if (Array.isArray(currentObj)) { | ||
| currentObj.forEach(item => recurse(item)); | ||
| } else if (typeof currentObj === 'object' && currentObj !== null) { | ||
| if (currentObj.hash) { | ||
| hashes.push(currentObj.hash); | ||
| } | ||
| for (const key in currentObj) { | ||
| // eslint-disable-next-line no-prototype-builtins | ||
| if (currentObj.hasOwnProperty(key as any)) { | ||
| recurse(currentObj[key]); | ||
| } | ||
| } | ||
| } | ||
| } | ||
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| recurse(obj); | ||
| return hashes; | ||
| } | ||
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| const getRandom = () => { | ||
| return Math.random().toString().slice(-6) | ||
| } | ||
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| const getNewHash = () => { | ||
| let random = getRandom() | ||
| while (random in hashArr) { | ||
| random = getRandom() | ||
| } | ||
| hashArr.push(random) | ||
| return random | ||
| } | ||
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| const addCascaderNode = (key: number) => { | ||
| const nodeItem: NodeItem = (key == 0 ? cascaderData.value : cascaderVal.value[key - 1]) as NodeItem | ||
| if (nodeItem.children && nodeItem.children.length > optionsCount) { | ||
| ElMessageBox.alert(`当前最多添加${optionsCount}个选项`, '提示', { | ||
| confirmButtonText: '确定', | ||
| type: 'warning' | ||
| }) | ||
| return | ||
| } | ||
| const optionStr = `选项${nodeItem?.children ? nodeItem?.children?.length + 1 : 1}` | ||
| nodeItem.children?.push({ | ||
| hash: getNewHash(), | ||
| text: optionStr, | ||
| children: [] | ||
| }) | ||
| } | ||
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| const resetCascaderVal = (index: number) => { | ||
| for (let i = cascaderVal.value.length; index < i; i--) { | ||
| cascaderVal.value[i - 1] = null; | ||
| } | ||
| } | ||
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| const removeCascaderNode = (nodeItem: NodeItem, index: number, key: number) => { | ||
| try { | ||
| if (key == 0 && cascaderData.value?.children && cascaderData.value?.children?.length<=1) { | ||
| ElMessageBox.alert('至少保留一个选项', '提示', { | ||
| confirmButtonText: '确定', | ||
| type: 'warning' | ||
| }) | ||
| return | ||
| } | ||
| if (nodeItem.children) { | ||
| nodeItem.children[index].children = []; | ||
| } | ||
| nodeItem.children?.splice(index, 1) | ||
| resetCascaderVal(key) | ||
| } catch (error) { | ||
| console.log(error) | ||
| } | ||
| } | ||
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| const editCascaderNode = (nodeItem: NodeItem, index: number, text: string) => { | ||
| nodeItem.children && (nodeItem.children[index].text = text) | ||
| } | ||
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| const setCascaderVal = (data: NodeItem, index: number) => { | ||
| if (cascaderVal.value[index]?.hash == data.hash) return | ||
| resetCascaderVal(index) | ||
| cascaderVal.value[index] = data | ||
| } | ||
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| const loadInitData = (data: CascaderDate) => { | ||
| cascaderData.value = cloneDeep(data); | ||
| cascaderVal.value = []; | ||
| for (let index = 0; index < maxCount; index++) { | ||
| cascaderVal.value.push(null) | ||
| } | ||
| hashArr = extractHash(cascaderData.value); | ||
| } | ||
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| return { | ||
| addCascaderNode, | ||
| removeCascaderNode, | ||
| editCascaderNode, | ||
| loadInitData, | ||
| setCascaderVal, | ||
|
|
||
| cascaderVal, | ||
| cascaderData | ||
| } | ||
| } |
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