From a0f9d344a8da9bce313ad4c29d5af8c748763337 Mon Sep 17 00:00:00 2001
From: mertsincan <sincan.mert@gmail.com>
Date: Wed, 31 Aug 2022 11:07:32 +0100
Subject: [PATCH] Fixed #2846 - Add resetFilterOnHide property to Dropdown

---
 api-generator/components/dropdown.js  | 6 ++++++
 src/components/dropdown/Dropdown.d.ts | 4 ++++
 src/components/dropdown/Dropdown.vue  | 5 +++++
 src/views/dropdown/DropdownDoc.vue    | 6 ++++++
 4 files changed, 21 insertions(+)

diff --git a/api-generator/components/dropdown.js b/api-generator/components/dropdown.js
index 8f132fcf2..31e0ad4f8 100644
--- a/api-generator/components/dropdown.js
+++ b/api-generator/components/dropdown.js
@@ -179,6 +179,12 @@ const DropdownProps = [
         default: "pi pi-spinner pi-spin",
         description: "Icon to display in loading state."
     },
+    {
+        name: "resetFilterOnHide",
+        type: "boolean",
+        default: "false",
+        description: "Clears the filter value when hiding the dropdown."
+    },
     {
         name: "virtualScrollerOptions",
         type: "object",
diff --git a/src/components/dropdown/Dropdown.d.ts b/src/components/dropdown/Dropdown.d.ts
index fb34f5bf3..fdf82e0ef 100755
--- a/src/components/dropdown/Dropdown.d.ts
+++ b/src/components/dropdown/Dropdown.d.ts
@@ -168,6 +168,10 @@ export interface DropdownProps {
      * Default value is 'pi pi-spinner pi-spin'.
      */
     loadingIcon?: string | undefined;
+    /**
+     * Clears the filter value when hiding the dropdown.
+     */
+    resetFilterOnHide?: boolean;
     /**
      * Whether to use the virtualScroller feature. The properties of VirtualScroller component can be used like an object in it.
      * @see VirtualScroller.VirtualScrollerProps
diff --git a/src/components/dropdown/Dropdown.vue b/src/components/dropdown/Dropdown.vue
index 863b00f02..bb34971f8 100755
--- a/src/components/dropdown/Dropdown.vue
+++ b/src/components/dropdown/Dropdown.vue
@@ -132,6 +132,10 @@ export default {
             type: String,
             default: 'pi pi-spinner pi-spin'
         },
+        resetFilterOnHide: {
+            type: Boolean,
+            default: false
+        },
         virtualScrollerOptions: {
             type: Object,
             default: null
@@ -272,6 +276,7 @@ export default {
                 this.focusedOptionIndex = -1;
                 this.searchValue = '';
 
+                this.resetFilterOnHide && (this.filterValue = null);
                 isFocus && this.$refs.focusInput && this.$refs.focusInput.focus();
             }
 
diff --git a/src/views/dropdown/DropdownDoc.vue b/src/views/dropdown/DropdownDoc.vue
index c03ec8bc6..843b6dd7f 100755
--- a/src/views/dropdown/DropdownDoc.vue
+++ b/src/views/dropdown/DropdownDoc.vue
@@ -312,6 +312,12 @@ export default {
                         <td>pi pi-spinner pi-spin</td>
                         <td>Icon to display in loading state.</td>
                     </tr>
+                    <tr>
+                        <td>resetFilterOnHide</td>
+                        <td>boolean</td>
+                        <td>false</td>
+                        <td>Clears the filter value when hiding the dropdown.</td>
+                    </tr>
                     <tr>
                         <td>virtualScrollerOptions</td>
                         <td>object</td>