From 32fe110b694b38c28702db191ef3e73e16d1a4eb Mon Sep 17 00:00:00 2001
From: Jorge Poignon <jpglmart@gmail.com>
Date: Mon, 8 Nov 2021 12:18:42 +0200
Subject: [PATCH 1/2] ElTableColumn: Add 'disabled' prop to 'selection' type
 column

---
 packages/table/src/config.js       |  6 +++---
 packages/table/src/table-column.js | 11 ++++++++---
 2 files changed, 11 insertions(+), 6 deletions(-)

diff --git a/packages/table/src/config.js b/packages/table/src/config.js
index ba705ac632d..c3c7881a096 100644
--- a/packages/table/src/config.js
+++ b/packages/table/src/config.js
@@ -28,11 +28,11 @@ export const cellStarts = {
 // 这些选项不应该被覆盖
 export const cellForced = {
   selection: {
-    renderHeader: function(h, { store }) {
+    renderHeader: function(h, { store, column }) {
       return <el-checkbox
-        disabled={ store.states.data && store.states.data.length === 0 }
+        disabled={ store.states.data && store.states.data.length === 0 || column.disabled }
         indeterminate={ store.states.selection.length > 0 && !this.isAllSelected }
-        nativeOn-click={ this.toggleAllSelection }
+        nativeOn-click={ !column.disabled ? this.toggleAllSelection : ()=>{} }
         value={ this.isAllSelected } />;
     },
     renderCell: function(h, { row, column, store, $index }) {
diff --git a/packages/table/src/table-column.js b/packages/table/src/table-column.js
index 528eff1ab11..a29e5fbf03a 100644
--- a/packages/table/src/table-column.js
+++ b/packages/table/src/table-column.js
@@ -56,6 +56,10 @@ export default {
       validator(val) {
         return val.every(order => ['ascending', 'descending', null].indexOf(order) > -1);
       }
+    },
+    disabled: {
+      type: Boolean,
+      default: false
     }
   },
 
@@ -195,13 +199,14 @@ export default {
     },
 
     registerNormalWatchers() {
-      const props = ['label', 'property', 'filters', 'filterMultiple', 'sortable', 'index', 'formatter', 'className', 'labelClassName', 'showOverflowTooltip'];
+      const props = ['label', 'property', 'filters', 'filterMultiple', 'sortable', 'index', 'formatter', 'className', 'labelClassName', 'showOverflowTooltip', 'disabled'];
       // 一些属性具有别名
       const aliases = {
         prop: 'property',
         realAlign: 'align',
         realHeaderAlign: 'headerAlign',
-        realWidth: 'width'
+        realWidth: 'width',
+        disabled: 'disabled'
       };
       const allAliases = props.reduce((prev, cur) => {
         prev[cur] = cur;
@@ -280,7 +285,7 @@ export default {
 
     const basicProps = ['columnKey', 'label', 'className', 'labelClassName', 'type', 'renderHeader', 'formatter', 'fixed', 'resizable'];
     const sortProps = ['sortMethod', 'sortBy', 'sortOrders'];
-    const selectProps = ['selectable', 'reserveSelection'];
+    const selectProps = ['selectable', 'reserveSelection', 'disabled'];
     const filterProps = ['filterMethod', 'filters', 'filterMultiple', 'filterOpened', 'filteredValue', 'filterPlacement'];
 
     let column = this.getPropsData(basicProps, sortProps, selectProps, filterProps);

From f0b69b923d1dd4b21774a6a1df7782659c98172b Mon Sep 17 00:00:00 2001
From: Jorge Poignon <jpglmart@gmail.com>
Date: Mon, 8 Nov 2021 12:33:08 +0200
Subject: [PATCH 2/2] ElTable: Add 'unselection-change' event

---
 packages/table/src/store/watcher.js | 10 ++++++++++
 1 file changed, 10 insertions(+)

diff --git a/packages/table/src/store/watcher.js b/packages/table/src/store/watcher.js
index fa13bdcfefa..58598004352 100644
--- a/packages/table/src/store/watcher.js
+++ b/packages/table/src/store/watcher.js
@@ -129,6 +129,8 @@ export default Vue.extend({
       if (oldSelection.length) {
         states.selection = [];
         this.table.$emit('selection-change', []);
+        states.unselection = [];
+        this.table.$emit('unselection-change', []);
       }
     },
 
@@ -165,6 +167,14 @@ export default Vue.extend({
         }
         this.table.$emit('selection-change', newSelection);
       }
+      if (!this.isSelected(row)) {
+        if (!this.states.unselection) this.states.unselection = [];
+        this.states.unselection.push(row);
+      } else if (this.states.unselection) {
+        let indx = this.states.unselection.findIndex(v => v.ns_id === row.ns_id);
+        this.states.unselection.splice(indx, indx >= 0 ? 1 : 0);
+      }
+      if (this.states.unselection && this.states.unselection.length > 0) this.table.$emit('unselection-change', this.states.unselection);
     },
 
     _toggleAllSelection() {