kmpdfkit_demo/lib/widgets/common/views/cpdf_main_tool_bar.dart

import 'package:compdfkit_flutter/core/cpdf_view_ctrl.dart';
import 'package:compdfkit_flutter/theme/colors.dart';
import 'package:compdfkit_flutter/theme/themes.dart';
import 'package:compdfkit_flutter/widgets/viewer/pdfbota/cpdf_bota_page.dart';
import 'package:flutter/material.dart';

import '../../viewer/pdfbota/pdfthumbnail/cpdf_thumbnail_page.dart';

///  Copyright © 2014-2023 PDF Technologies, Inc. All Rights Reserved.
///
///  THIS SOURCE CODE AND ANY ACCOMPANYING DOCUMENTATION ARE PROTECTED BY INTERNATIONAL COPYRIGHT LAW
///  AND MAY NOT BE RESOLD OR REDISTRIBUTED. USAGE IS BOUND TO THE ComPDFKit LICENSE AGREEMENT.
///  UNAUTHORIZED REPRODUCTION OR DISTRIBUTION IS SUBJECT TO CIVIL AND CRIMINAL PENALTIES.
///  This notice may not be removed from this file.

class CPDFSlidingMainToolbar extends CPDFMainToolbar {
  final bool visible;

  final AnimationController controller;

  CPDFSlidingMainToolbar(
      {super.key,
      required this.visible,
      required this.controller,
      required super.ctrl,
      super.isDark,
      super.actions});

  CPDFSlidingMainToolbar.normal(
      {required this.visible,
      required this.controller,
      required super.ctrl,
      super.isDark})
      : super.normal();

  @override
  Widget build(BuildContext context) {
    visible ? controller.reverse() : controller.forward();
    return SlideTransition(
        position: Tween(begin: Offset.zero, end: const Offset(0, -1)).animate(
            CurvedAnimation(parent: controller, curve: Curves.fastOutSlowIn)),
        child: visible ? super.build(context) : null);
  }

  // @override
  // Size get preferredSize =>
  //     visible ? super.preferredSize : Size(super.preferredSize.width, 0.0);
}

class CPDFMainToolbar extends StatelessWidget implements PreferredSizeWidget {
  final CPDFViewCtrl ctrl;

  List<CPDFActionWidget>? actions;

  bool isDark = false;

  CPDFMainToolbar(
      {Key? key, required this.ctrl, this.isDark = false, this.actions})
      : super(key: key);

  CPDFMainToolbar.normal({Key? key, this.isDark = false, required this.ctrl})
      : super(key: key) {
    actions = [
      CPDFActions.thumbnail(onPressed: (context) async {
        int? pageIndex = await Navigator.push(context, MaterialPageRoute(builder: (_) {
          return CPDFBotaPage(
            ctrl: ctrl,
            isDark: isDark,
            types: const [CPDFBotaType.thumbnails],
          );
        }));
        if (pageIndex != null) {
          ctrl.setDisplayPageIndex(pageIndex);
        }
      }),
      CPDFActions.search(),
      CPDFActions.bota(),
      CPDFActions.more()
    ];
  }

  @override
  Widget build(BuildContext context) {
    return Theme(
        data: isDark
            ? comPDFKitDarkTheme
            : comPDFKitLightTheme.copyWith(
                colorScheme: comPDFKitLightTheme.colorScheme
                    .copyWith(primary: const Color(0xFFFAFCFF))),
        child: Builder(builder: (context) {
          return AppBar(
            leading: null,
            title: Row(
              children: [
                InkWell(
                  borderRadius: BorderRadius.circular(6),
                  child: Padding(
                      padding: const EdgeInsets.only(
                          left: 8, right: 8, top: 8, bottom: 8),
                      child: Text('Viewer',
                          style: Theme.of(context)
                              .textTheme
                              .titleLarge
                              ?.copyWith(fontFamily: 'sans-serif-medium'))),
                  onTap: () {},
                ),
              ],
            ),
            titleSpacing: 10,
            elevation: 2,
            actions: actions,
          );
        }));
  }

  @override
  Size get preferredSize => const Size(double.infinity, 56);
}

class CPDFActions {
  static CPDFActionWidget thumbnail({CPDFActionOnPressedCallback? onPressed}) {
    return CPDFActionWidget(
      image: 'assets/images/ic_thumbnail.png',
      package: 'compdfkit_flutter',
      onPressed: onPressed,
    );
  }

  static CPDFActionWidget search({CPDFActionOnPressedCallback? onPressed}) {
    return CPDFActionWidget(
      image: 'assets/images/ic_search.png',
      package: 'compdfkit_flutter',
      onPressed: onPressed,
    );
  }

  static CPDFActionWidget bota({CPDFActionOnPressedCallback? onPressed}) {
    return CPDFActionWidget(
      image: 'assets/images/ic_book.png',
      package: 'compdfkit_flutter',
      onPressed: onPressed,
    );
  }

  static CPDFActionWidget more({CPDFActionOnPressedCallback? onPressed}) {
    return CPDFActionWidget(
      image: 'assets/images/ic_more.png',
      package: 'compdfkit_flutter',
      onPressed: onPressed,
    );
  }
}

typedef CPDFActionOnPressedCallback = Function(BuildContext context);

class CPDFActionWidget extends StatelessWidget {
  final String image;

  final String package;

  final CPDFActionOnPressedCallback? onPressed;

  const CPDFActionWidget(
      {Key? key,
      required this.image,
      this.package = 'compdfkit_flutter',
      this.onPressed})
      : super(key: key);

  @override
  Widget build(BuildContext context) {
    return IconButton(
        splashRadius: 24,
        onPressed: () {
          if (onPressed != null) {
            onPressed!(context);
          }
        },
        icon: Image.asset(
          image,
          package: package,
          width: 24,
          height: 24,
          color: Theme.of(context).colorScheme.onBackground,
        ));
  }
}