elective faculty - enable modify `classesCount`

src/common/mx-extension.js

@@ -44,11 +44,9 @@ export default {
     Array.prototype.sum = function(propGetter = null) {
       let result = 0
       this.forEach(item => {
-        if (propGetter) {
-          result += propGetter(item) * 1
-        } else {
-          result += item * 1
-        }
+        let el = propGetter ? propGetter(item) : item
+        if (isNaN(el)) el = 0
+        result += el * 1
       })
       return result
     }

src/views/elective/publish/components/steps/fauclty/faculty-forms.vue

@@ -60,11 +60,6 @@ export default {
   },
   computed: {
     formModel() {
-      // fields - use demo field trigger
-      this.rows.forEach((row) => this.handleInputChanged('teacherCount', row, false))
-      this.rows.forEach((row) => this.handleInputChanged('levelClassesCount', row, false))
-      // summary
-      this.calculateSummary()
       // rebuild
       return {
         rows: [...this.rows, this.sum]
@@ -98,7 +93,7 @@ export default {
           label: '单科总课时数',
           slot: 'input',
           minWidth: '130px',
-          disabled: true
+          disabled: false
         },
         levelClassesCount: {
           label: '等级考课时数',
@@ -115,7 +110,7 @@ export default {
       }
     },
     facultyRules() {
-      const excludeFiles = ['subjectName', 'classesCount']
+      const excludeFiles = ['subjectName']
       const commonValidator = (rule, value, callback) => {
         const arrField = rule.field.split('.')
         let index = arrField.first()
@@ -138,6 +133,18 @@ export default {
       return rules
     }
   },
+  watch: {
+    'rows': {
+      immediate: true,
+      handler: function() {
+        // fields - use demo field trigger
+        this.rows.forEach((row) => this.handleInputChanged('teacherCount', row, false))
+        this.rows.forEach((row) => this.handleInputChanged('levelClassesCount', row, false))
+        // summary
+        this.calculateSummary()
+      }
+    }
+  },
   methods: {
     handleCheckAll() {
       this.batchData.subjectIds = this.rows.map(s => s.subjectId)
@@ -166,12 +173,16 @@ export default {
       this.handleBatchCancel(key)
       this.$emit('change')
     },
-    handleInputChanged(key, row, calcSum = true) {
+    handleInputChanged(key, row, inputting = true) {
       // auto calc
       const helpFields = ['teacherCount', 'teacherClassesCount']
       const linkedField = 'classesCount'
       if (helpFields.includes(key)) {
-        row[linkedField] = row.teacherCount * row.teacherClassesCount
+        const currentLinkedVal = row[linkedField]
+        if (!currentLinkedVal || inputting) {
+          // 没有值，或者非执行检测程序时才强制修改（即输入真正输入teacherCount、teacherClassesCount时才关联计算）
+          row[linkedField] = row.teacherCount * row.teacherClassesCount
+        }
       }
       // auto copy
       const equalFields = ['levelClassesCount', 'qualifiedClassesCount']
@@ -180,19 +191,19 @@ export default {
         otherKeys.forEach(k => row[k] = row[key])
       }
       // auto sum
-      if (calcSum) this.calculateSummary()
+      if (inputting) this.calculateSummary()
       return true
     },
     calculateSummary() {
       const excludeFiles = ['subjectName']
       Object.keys(this.facultyTableDefines).forEach(key => {
         if (!excludeFiles.includes(key)) {
-          this.sum[key] = this.rows.sum(r => r[key])
+          const sumVal = this.rows.sum(r => r[key])
+          this.$set(this.sum, key, sumVal)
         }
       })
     },
     validate() {
-      console.log('faculty-forms validate')
       return this.$refs.form.validate()
     }
   }