Merge pull request #85 from kwavnet/expansion-item/on-tap

SideMenuExpansionItem: add onTap event

Author: Jamalianpour

README.md

@@ -71,6 +71,9 @@ List<SideMenuItem> items = [
   SideMenuExpansionItem(
     title: "Expansion Item",
     icon: const Icon(Icons.kitchen),
+    onTap: (index, _, isExpanded) => {
+        print('$index, expanded $isExpanded')
+    },
     children: [
       SideMenuItem(
         title: 'Expansion Item 1',

example/lib/main.dart

@@ -125,6 +125,9 @@ class _MyHomePageState extends State<MyHomePage> {
               SideMenuExpansionItem(
                 title: "Expansion Item",
                 icon: const Icon(Icons.kitchen),
+                onTap: (index, _, isExpanded) => {
+                  print('$index, expanded $isExpanded')
+                },
                 children: [
                   SideMenuItem(
                     title: 'Expansion Item 1',

lib/src/side_menu.dart

@@ -99,6 +99,7 @@ class SideMenu extends StatefulWidget {
           icon: data.icon,
           index: sideMenuExpansionItemIndex,
           iconWidget: data.iconWidget,
+          onTap: data.onTap,
           children: data.children
               .map((childData) => SideMenuItemWithGlobal(
                     global: global,

lib/src/side_menu_expansion_item.dart

@@ -1,5 +1,6 @@
 import 'package:flutter/material.dart';
 import 'package:easy_sidemenu/src/side_menu_item.dart';
+import 'package:easy_sidemenu/src/side_menu_controller.dart';
 
 class SideMenuExpansionItem {
   /// #### Side Menu Item
@@ -9,6 +10,10 @@ class SideMenuExpansionItem {
   /// name
   final String? title;
 
+  /// A function that will be called when tap on [SideMenuExpansionItem] corresponding
+  /// to this [SideMenuExpansionItem]
+  final void Function(int index, SideMenuController sideMenuController, bool isExpanded)? onTap;
+
   /// A Icon to display before [title]
   final Icon? icon;
 
@@ -19,6 +24,7 @@ class SideMenuExpansionItem {
 
   const SideMenuExpansionItem({
     Key? key,
+    this.onTap,
     this.title,
     this.icon,
     this.iconWidget,

lib/src/side_menu_expansion_item_with_global.dart

@@ -1,6 +1,7 @@
 import 'package:flutter/material.dart';
 import 'package:easy_sidemenu/src/side_menu_display_mode.dart';
 import 'package:easy_sidemenu/src/side_menu_item_with_global.dart';
+import 'package:easy_sidemenu/src/side_menu_controller.dart';
 
 import 'global/global.dart';
 
@@ -26,12 +27,17 @@ class SideMenuExpansionItemWithGlobal extends StatefulWidget {
   /// for maintaining record of the state
   final int index;
 
+  /// A function that will be called when tap on [SideMenuExpansionItem] corresponding
+  /// to this [SideMenuExpansionItem]
+  final void Function(int index, SideMenuController sideMenuController, bool isExpanded)? onTap;
+
   const SideMenuExpansionItemWithGlobal(
       {Key? key,
       required this.global,
       this.title,
       this.icon,
       this.iconWidget,
+      this.onTap,
       required this.index,
       required this.children})
       : assert(title != null || icon != null,
@@ -99,6 +105,7 @@ class _SideMenuExpansionState extends State<SideMenuExpansionItemWithGlobal> {
                   isExpanded = value;
                   widget.global.expansionStateList[widget.index] = value;
                 });
+                widget.onTap?.call(widget.index, widget.global.controller, value);
               },
               trailing: Icon(
                 isExpanded