TF-736 Create DropDownMenuHeaderStyle to select style

lib/features/composer/presentation/widgets/drop_down_menu_header_style_widget.dart

@@ -0,0 +1,110 @@
+
+import 'package:core/presentation/extensions/color_extension.dart';
+import 'package:core/presentation/utils/style_utils.dart';
+import 'package:dropdown_button2/dropdown_button2.dart';
+import 'package:flutter/material.dart';
+import 'package:pointer_interceptor/pointer_interceptor.dart';
+import 'package:tmail_ui_user/features/composer/presentation/model/header_style_type.dart';
+
+class DropDownMenuHeaderStyleWidget extends StatelessWidget {
+
+  final Widget icon;
+  final List<HeaderStyleType> items;
+  final Function(HeaderStyleType?)? onChanged;
+  final Function(bool)? onMenuStateChange;
+  final double heightItem;
+  final double dropdownWidth;
+
+  const DropDownMenuHeaderStyleWidget({
+    Key? key,
+    required this.icon,
+    required this.items,
+    this.onChanged,
+    this.onMenuStateChange,
+    this.heightItem = 44,
+    this.dropdownWidth = 180,
+  }) : super(key: key);
+
+  @override
+  Widget build(BuildContext context) {
+    return DropdownButtonHideUnderline(
+      child: PointerInterceptor(
+        child: DropdownButton2<HeaderStyleType>(
+          isExpanded: true,
+          items: items
+              .map((item) => DropdownMenuItem<HeaderStyleType>(
+                    value: item,
+                    child: PointerInterceptor(
+                      child: Container(
+                        color: Colors.transparent,
+                        height: heightItem,
+                        alignment: Alignment.centerLeft,
+                        child: _buildItemDropdown(item),
+                      ),
+                    ),
+                  ))
+              .toList(),
+          customButton: icon,
+          onChanged: onChanged,
+          onMenuStateChange: onMenuStateChange,
+          itemHeight: heightItem,
+          buttonHeight: heightItem,
+          itemPadding: const EdgeInsets.symmetric(horizontal: 12),
+          dropdownWidth: dropdownWidth,
+          dropdownMaxHeight: 200,
+          dropdownDecoration: BoxDecoration(
+            borderRadius: BorderRadius.circular(5),
+            color: Colors.white,
+          ),
+          offset: const Offset(0.0, -8.0),
+          dropdownElevation: 4,
+          scrollbarRadius: const Radius.circular(40),
+          scrollbarThickness: 6,
+        ),
+      ),
+    );
+  }
+
+  Widget _buildItemDropdown(HeaderStyleType headerStyle) {
+    switch(headerStyle) {
+      case HeaderStyleType.blockquote:
+        return Container(
+            decoration: const BoxDecoration(
+                border: Border(
+                    left: BorderSide(color: AppColor.colorStyleBlockQuote,
+                    width: 5.0))),
+            padding: const EdgeInsets.symmetric(horizontal: 10.0),
+            child: _buildHeaderStyle(
+                headerStyle.styleName,
+                headerStyle.textSize,
+                headerStyle.fontWeight));
+      case HeaderStyleType.code:
+        return Container(
+            width: dropdownWidth,
+            decoration: BoxDecoration(
+                borderRadius: BorderRadius.circular(4),
+                border: Border.all(color: AppColor.colorBorderStyleCode, width: 1.0),
+                color: AppColor.colorBackgroundStyleCode),
+            padding: const EdgeInsets.symmetric(horizontal: 10.0, vertical: 8),
+            child: _buildHeaderStyle(
+                headerStyle.styleName,
+                headerStyle.textSize,
+                headerStyle.fontWeight));
+      default:
+        return _buildHeaderStyle(
+            headerStyle.styleName,
+            headerStyle.textSize,
+            headerStyle.fontWeight);
+    }
+  }
+
+  Widget _buildHeaderStyle(String name, double size, FontWeight fontWeight) {
+    return Text(name,
+        style: TextStyle(
+            fontSize: size,
+            fontWeight: fontWeight,
+            color: Colors.black),
+        maxLines: 1,
+        overflow: CommonTextStyle.defaultTextOverFlow);
+  }
+}