From 82b01a53115ef115f5677ca34c361e3e30584ea5 Mon Sep 17 00:00:00 2001
From: Cagatay Civici <cagatay.civici@gmail.com>
Date: Thu, 18 Nov 2021 13:29:10 +0300
Subject: [PATCH] Revert "Fixed #1737 - New selectionMode for OrderList"

This reverts commit d849dea6f8528de79cea7d7a3a5f1257cce151f2.
---
 api-generator/components/orderlist.js   |  6 ----
 src/components/orderlist/OrderList.d.ts |  1 -
 src/components/orderlist/OrderList.vue  | 37 ++++---------------------
 src/views/orderlist/OrderListDoc.vue    |  6 ----
 4 files changed, 6 insertions(+), 44 deletions(-)

diff --git a/api-generator/components/orderlist.js b/api-generator/components/orderlist.js
index 0498a8a50..f2c9e4bc1 100644
--- a/api-generator/components/orderlist.js
+++ b/api-generator/components/orderlist.js
@@ -11,12 +11,6 @@ const OrderListProps = [
         default: "null",
         description: "Selected items in the list."
     },
-    {
-        name: "selectionMode",
-        type: "string",
-        default: "null",
-        description: 'Defines selection mode, options are "single" and "multiple".'
-    },
     {
         name: "metaKeySelection",
         type: "boolean",
diff --git a/src/components/orderlist/OrderList.d.ts b/src/components/orderlist/OrderList.d.ts
index d0844e892..0ef53d8d8 100755
--- a/src/components/orderlist/OrderList.d.ts
+++ b/src/components/orderlist/OrderList.d.ts
@@ -4,7 +4,6 @@ interface OrderListProps {
     modelValue?: any[];
     dataKey?: string;
     selection?: any[];
-    selectionMode?: string;
     metaKeySelection?: boolean;
     listStyle?: any;
     responsive?: boolean;
diff --git a/src/components/orderlist/OrderList.vue b/src/components/orderlist/OrderList.vue
index b613768b0..3c4d20206 100755
--- a/src/components/orderlist/OrderList.vue
+++ b/src/components/orderlist/OrderList.vue
@@ -42,10 +42,6 @@ export default {
             type: Array,
             default: null
         },
-        selectionMode: {
-            type: String,
-            default: null
-        },
         dataKey: {
             type: String,
             default: null
@@ -206,46 +202,31 @@ export default {
         },
         onItemClick(event, item, index) {
             this.itemTouched = false;
-            let selection = this.d_selection;
             let selectedIndex = ObjectUtils.findIndexInList(item, this.d_selection);
             let selected = (selectedIndex != -1);
             let metaSelection = this.itemTouched ? false : this.metaKeySelection;
-            let _selection = [];
 
             if (metaSelection) {
                 let metaKey = (event.metaKey || event.ctrlKey);
 
                 if (selected && metaKey) {
-                    _selection = selection.filter((val, index) => index !== selectedIndex);
+                    this.d_selection = this.d_selection.filter((val, index) => index !== selectedIndex);
                 }
                 else {
-                    if (this.isMultipleSelectionMode()) {
-                        _selection = (selection && metaKey) ? [...selection] : [];
-                    }
-                    ObjectUtils.insertIntoOrderedArray(item, index, _selection, this.modelValue);
+                    this.d_selection = (metaKey) ? this.d_selection ? [...this.d_selection] : [] : [];
+                    ObjectUtils.insertIntoOrderedArray(item, index, this.d_selection, this.modelValue);
                 }
             }
             else {
                 if (selected) {
-                    if (this.isSingleSelectionMode()) {
-                        _selection = [...selection];
-                    }
-                    else if (this.isMultipleSelectionMode()) {
-                        _selection = selection.filter((val, index) => index !== selectedIndex);
-                    }
+                    this.d_selection = this.d_selection.filter((val, index) => index !== selectedIndex);
                 }
                 else {
-                    if (this.isMultipleSelectionMode()) {
-                        _selection = selection ? [...selection] : [];
-                    }
-                    ObjectUtils.insertIntoOrderedArray(item, index, _selection, this.modelValue);
+                    this.d_selection = this.d_selection ? [...this.d_selection] : [];
+                    ObjectUtils.insertIntoOrderedArray(item, index, this.d_selection, this.modelValue);
                 }
             }
 
-            let newSelection = [this.d_selection];
-            newSelection = _selection;
-            this.d_selection = newSelection;
-
             this.$emit('update:selection', this.d_selection);
             this.$emit('selection-change', {
                 originalEvent:event,
@@ -368,12 +349,6 @@ export default {
                 document.head.removeChild(this.styleElement);
                 this.styleElement = null;
             }
-        },
-        isSingleSelectionMode() {
-            return this.selectionMode === 'single';
-        },
-        isMultipleSelectionMode() {
-            return this.selectionMode === 'multiple';
         }
     },
     computed: {
diff --git a/src/views/orderlist/OrderListDoc.vue b/src/views/orderlist/OrderListDoc.vue
index 8a234e81c..f4307fb62 100755
--- a/src/views/orderlist/OrderListDoc.vue
+++ b/src/views/orderlist/OrderListDoc.vue
@@ -93,12 +93,6 @@ import OrderList from 'primevue/orderlist';
                         <td>null</td>
                         <td>Selected items in the list.</td>
                     </tr>
-                    <tr>
-                        <td>selectionMode</td>
-                        <td>string</td>
-                        <td>null</td>
-                        <td>Defines selection mode, options are "single" and "multiple".</td>
-                    </tr>
                     <tr>
                         <td>metaKeySelection</td>
                         <td>boolean</td>