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Fix：修复删除含有子节点的节点时，data_change_detail事件报错

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街角小林 2024-01-11 17:55:10 +08:00
parent cd7936a50b
commit b5cfca848a
1 changed files with 47 additions and 40 deletions
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87
simple-mind-map/src/core/command/Command.js
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@ -177,48 +177,55 @@ class Command {
// 派发思维导图更新明细事件 // 派发思维导图更新明细事件
emitDataUpdatesEvent(lastData, data) { emitDataUpdatesEvent(lastData, data) {
// 如果data_change_detail没有监听者，那么不进行计算，节省性能 try {
const eventName = 'data_change_detail' // 如果data_change_detail没有监听者，那么不进行计算，节省性能
const count = this.mindMap.event.listenerCount(eventName) const eventName = 'data_change_detail'
if (count > 0 && lastData && data) { const count = this.mindMap.event.listenerCount(eventName)
const lastDataObj = simpleDeepClone(transformTreeDataToObject(lastData)) if (count > 0 && lastData && data) {
const dataObj = simpleDeepClone(transformTreeDataToObject(data)) const lastDataObj = simpleDeepClone(transformTreeDataToObject(lastData))
const res = [] const dataObj = simpleDeepClone(transformTreeDataToObject(data))
const walkReplace = (root, obj) => { const res = []
if (root.children && root.children.length > 0) { const walkReplace = (root, obj) => {
root.children.forEach((childUid, index) => { if (root.children && root.children.length > 0) {
root.children[index] = obj[childUid] root.children.forEach((childUid, index) => {
walkReplace(root.children[index], obj) root.children[index] =
}) typeof childUid === 'string'
? obj[childUid]
: obj[childUid.data.uid]
walkReplace(root.children[index], obj)
})
}
return root
} }
return root // 找出新增的或修改的
Object.keys(dataObj).forEach(uid => {
// 新增的或已经存在的，如果数据发生了改变
if (!lastDataObj[uid]) {
res.push({
action: 'create',
data: walkReplace(dataObj[uid], dataObj)
})
} else if (!isSameObject(lastDataObj[uid], dataObj[uid])) {
res.push({
action: 'update',
oldData: walkReplace(lastDataObj[uid], lastDataObj),
data: walkReplace(dataObj[uid], dataObj)
})
}
})
// 找出删除的
Object.keys(lastDataObj).forEach(uid => {
if (!dataObj[uid]) {
res.push({
action: 'delete',
data: walkReplace(lastDataObj[uid], lastDataObj)
})
}
})
this.mindMap.emit(eventName, res)
} }
// 找出新增的或修改的 } catch (error) {
Object.keys(dataObj).forEach(uid => { this.mindMap.opt.errorHandler && this.mindMap.opt.errorHandler(error)
// 新增的或已经存在的，如果数据发生了改变
if (!lastDataObj[uid]) {
res.push({
action: 'create',
data: walkReplace(dataObj[uid], dataObj)
})
} else if (!isSameObject(lastDataObj[uid], dataObj[uid])) {
res.push({
action: 'update',
oldData: walkReplace(lastDataObj[uid], lastDataObj),
data: walkReplace(dataObj[uid], dataObj)
})
}
})
// 找出删除的
Object.keys(lastDataObj).forEach(uid => {
if (!dataObj[uid]) {
res.push({
action: 'delete',
data: walkReplace(lastDataObj[uid], lastDataObj)
})
}
})
this.mindMap.emit(eventName, res)
} }
} }
} }