Fixed #1737 - New selectionMode for OrderList

api-generator/components/orderlist.js

@@ -11,6 +11,12 @@ 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",

src/components/orderlist/OrderList.d.ts

@@ -4,6 +4,7 @@ interface OrderListProps {
     modelValue?: any[];
     dataKey?: string;
     selection?: any[];
+    selectionMode?: string;
     metaKeySelection?: boolean;
     listStyle?: any;
     responsive?: boolean;

src/components/orderlist/OrderList.vue

@@ -40,6 +40,10 @@ export default {
             type: Array,
             default: null
         },
+        selectionMode: {
+            type: String,
+            default: null
+        },
         dataKey: {
             type: String,
             default: null
@@ -200,31 +204,46 @@ 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) {
-                    this.d_selection = this.d_selection.filter((val, index) => index !== selectedIndex);
+                    _selection = selection.filter((val, index) => index !== selectedIndex);
                 }
                 else {
-                    this.d_selection = (metaKey) ? this.d_selection ? [...this.d_selection] : [] : [];
+                    if (this.isMultipleSelectionMode()) {
-                    ObjectUtils.insertIntoOrderedArray(item, index, this.d_selection, this.modelValue);
+                        _selection = (selection && metaKey) ? [...selection] : [];
+                    }
+                    ObjectUtils.insertIntoOrderedArray(item, index, _selection, this.modelValue);
                 }
             }
             else {
                 if (selected) {
-                    this.d_selection = this.d_selection.filter((val, index) => index !== selectedIndex);
+                    if (this.isSingleSelectionMode()) {
+                        _selection = [...selection];
+                    }
+                    else if (this.isMultipleSelectionMode()) {
+                        _selection = selection.filter((val, index) => index !== selectedIndex);
+                    }
                 }
                 else {
-                    this.d_selection = this.d_selection ? [...this.d_selection] : [];
+                    if (this.isMultipleSelectionMode()) {
-                    ObjectUtils.insertIntoOrderedArray(item, index, this.d_selection, this.modelValue);
+                        _selection = selection ? [...selection] : [];
+                    }
+                    ObjectUtils.insertIntoOrderedArray(item, index, _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,
@@ -347,6 +366,12 @@ export default {
                 document.head.removeChild(this.styleElement);
                 this.styleElement = null;
             }
+        },
+        isSingleSelectionMode() {
+            return this.selectionMode === 'single';
+        },
+        isMultipleSelectionMode() {
+            return this.selectionMode === 'multiple';
         }
     },
     computed: {

src/views/orderlist/OrderListDoc.vue

@@ -89,6 +89,12 @@ 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>