865883 Custom search toolbar for NET MAUI PDFViewer

CustomSearchToolbar/CustomSearchToolbar.sln

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+
+Microsoft Visual Studio Solution File, Format Version 12.00
+# Visual Studio Version 17
+VisualStudioVersion = 17.9.34310.174
+MinimumVisualStudioVersion = 10.0.40219.1
+Project("{9A19103F-16F7-4668-BE54-9A1E7A4F7556}") = "CustomSearchToolbar", "CustomSearchToolbar\CustomSearchToolbar.csproj", "{BBA73B1E-E93D-461F-BB81-E01B79006E3A}"
+EndProject
+Global
+	GlobalSection(SolutionConfigurationPlatforms) = preSolution
+		Debug|Any CPU = Debug|Any CPU
+		Release|Any CPU = Release|Any CPU
+		Release-Xml|Any CPU = Release-Xml|Any CPU
+	EndGlobalSection
+	GlobalSection(ProjectConfigurationPlatforms) = postSolution
+		{BBA73B1E-E93D-461F-BB81-E01B79006E3A}.Debug|Any CPU.ActiveCfg = Debug|Any CPU
+		{BBA73B1E-E93D-461F-BB81-E01B79006E3A}.Debug|Any CPU.Build.0 = Debug|Any CPU
+		{BBA73B1E-E93D-461F-BB81-E01B79006E3A}.Debug|Any CPU.Deploy.0 = Debug|Any CPU
+		{BBA73B1E-E93D-461F-BB81-E01B79006E3A}.Release|Any CPU.ActiveCfg = Release|Any CPU
+		{BBA73B1E-E93D-461F-BB81-E01B79006E3A}.Release|Any CPU.Build.0 = Release|Any CPU
+		{BBA73B1E-E93D-461F-BB81-E01B79006E3A}.Release|Any CPU.Deploy.0 = Release|Any CPU
+		{BBA73B1E-E93D-461F-BB81-E01B79006E3A}.Release-Xml|Any CPU.ActiveCfg = Release|Any CPU
+		{BBA73B1E-E93D-461F-BB81-E01B79006E3A}.Release-Xml|Any CPU.Build.0 = Release|Any CPU
+		{BBA73B1E-E93D-461F-BB81-E01B79006E3A}.Release-Xml|Any CPU.Deploy.0 = Release|Any CPU
+	EndGlobalSection
+	GlobalSection(SolutionProperties) = preSolution
+		HideSolutionNode = FALSE
+	EndGlobalSection
+	GlobalSection(ExtensibilityGlobals) = postSolution
+		SolutionGuid = {E68A9110-FEBA-46B4-8E01-5F1B0008A776}
+	EndGlobalSection
+EndGlobal

CustomSearchToolbar/CustomSearchToolbar/App.xaml

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+<?xml version = "1.0" encoding = "UTF-8" ?>
+<Application xmlns="http://schemas.microsoft.com/dotnet/2021/maui"
+             xmlns:x="http://schemas.microsoft.com/winfx/2009/xaml"
+             xmlns:local="clr-namespace:CustomSearchToolbar"
+             x:Class="CustomSearchToolbar.App">
+    <Application.Resources>
+        <ResourceDictionary>
+            <ResourceDictionary.MergedDictionaries>
+                <ResourceDictionary Source="Resources/Styles/Colors.xaml" />
+                <ResourceDictionary Source="Resources/Styles/Styles.xaml" />
+            </ResourceDictionary.MergedDictionaries>
+        </ResourceDictionary>
+    </Application.Resources>
+</Application>

CustomSearchToolbar/CustomSearchToolbar/App.xaml.cs

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+namespace CustomSearchToolbar
+{
+    public partial class App : Application
+    {
+        public App()
+        {
+            InitializeComponent();
+
+            MainPage = new AppShell();
+        }
+    }
+}

CustomSearchToolbar/CustomSearchToolbar/AppShell.xaml

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+<?xml version="1.0" encoding="UTF-8" ?>
+<Shell
+    x:Class="CustomSearchToolbar.AppShell"
+    xmlns="http://schemas.microsoft.com/dotnet/2021/maui"
+    xmlns:x="http://schemas.microsoft.com/winfx/2009/xaml"
+    xmlns:local="clr-namespace:CustomSearchToolbar"
+    Shell.FlyoutBehavior="Disabled"
+    Title="CustomSearchToolbar">
+
+    <ShellContent
+        Title="Home"
+        ContentTemplate="{DataTemplate local:MainPage}"
+        Route="MainPage" />
+
+</Shell>

CustomSearchToolbar/CustomSearchToolbar/AppShell.xaml.cs

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+namespace CustomSearchToolbar
+{
+    public partial class AppShell : Shell
+    {
+        public AppShell()
+        {
+            InitializeComponent();
+        }
+    }
+}

CustomSearchToolbar/CustomSearchToolbar/CustomSearchToolbar.csproj

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+<Project Sdk="Microsoft.NET.Sdk">
+
+	<PropertyGroup>
+		<TargetFrameworks>net8.0-android;net8.0-ios;net8.0-maccatalyst</TargetFrameworks>
+		<TargetFrameworks Condition="$([MSBuild]::IsOSPlatform('windows'))">$(TargetFrameworks);net8.0-windows10.0.19041.0</TargetFrameworks>
+		<!-- Uncomment to also build the tizen app. You will need to install tizen by following this: https://github.com/Samsung/Tizen.NET -->
+		<!-- <TargetFrameworks>$(TargetFrameworks);net8.0-tizen</TargetFrameworks> -->
+
+		<!-- Note for MacCatalyst:
+		The default runtime is maccatalyst-x64, except in Release config, in which case the default is maccatalyst-x64;maccatalyst-arm64.
+		When specifying both architectures, use the plural <RuntimeIdentifiers> instead of the singular <RuntimeIdentifier>.
+		The Mac App Store will NOT accept apps with ONLY maccatalyst-arm64 indicated;
+		either BOTH runtimes must be indicated or ONLY macatalyst-x64. -->
+		<!-- For example: <RuntimeIdentifiers>maccatalyst-x64;maccatalyst-arm64</RuntimeIdentifiers> -->
+
+		<OutputType>Exe</OutputType>
+		<RootNamespace>CustomSearchToolbar</RootNamespace>
+		<UseMaui>true</UseMaui>
+		<SingleProject>true</SingleProject>
+		<ImplicitUsings>enable</ImplicitUsings>
+		<Nullable>enable</Nullable>
+
+		<!-- Display name -->
+		<ApplicationTitle>CustomSearchToolbar</ApplicationTitle>
+
+		<!-- App Identifier -->
+		<ApplicationId>com.companyname.customsearchtoolbar</ApplicationId>
+
+		<!-- Versions -->
+		<ApplicationDisplayVersion>1.0</ApplicationDisplayVersion>
+		<ApplicationVersion>1</ApplicationVersion>
+
+		<SupportedOSPlatformVersion Condition="$([MSBuild]::GetTargetPlatformIdentifier('$(TargetFramework)')) == 'ios'">11.0</SupportedOSPlatformVersion>
+		<SupportedOSPlatformVersion Condition="$([MSBuild]::GetTargetPlatformIdentifier('$(TargetFramework)')) == 'maccatalyst'">13.1</SupportedOSPlatformVersion>
+		<SupportedOSPlatformVersion Condition="$([MSBuild]::GetTargetPlatformIdentifier('$(TargetFramework)')) == 'android'">21.0</SupportedOSPlatformVersion>
+		<SupportedOSPlatformVersion Condition="$([MSBuild]::GetTargetPlatformIdentifier('$(TargetFramework)')) == 'windows'">10.0.17763.0</SupportedOSPlatformVersion>
+		<TargetPlatformMinVersion Condition="$([MSBuild]::GetTargetPlatformIdentifier('$(TargetFramework)')) == 'windows'">10.0.17763.0</TargetPlatformMinVersion>
+		<SupportedOSPlatformVersion Condition="$([MSBuild]::GetTargetPlatformIdentifier('$(TargetFramework)')) == 'tizen'">6.5</SupportedOSPlatformVersion>
+	</PropertyGroup>
+
+	<ItemGroup>
+		<!-- App Icon -->
+		<MauiIcon Include="Resources\AppIcon\appicon.svg" ForegroundFile="Resources\AppIcon\appiconfg.svg" Color="#512BD4" />
+
+		<!-- Splash Screen -->
+		<MauiSplashScreen Include="Resources\Splash\splash.svg" Color="#512BD4" BaseSize="128,128" />
+
+		<!-- Images -->
+		<MauiImage Include="Resources\Images\*" />
+		<MauiImage Update="Resources\Images\dotnet_bot.png" Resize="True" BaseSize="300,185" />
+
+		<!-- Custom Fonts -->
+		<MauiFont Include="Resources\Fonts\*" />
+
+		<!-- Raw Assets (also remove the "Resources\Raw" prefix) -->
+		<MauiAsset Include="Resources\Raw\**" LogicalName="%(RecursiveDir)%(Filename)%(Extension)" />
+	</ItemGroup>
+
+	<ItemGroup>
+	  <None Remove="zero_degree_rotated_document.pdf" />
+	</ItemGroup>
+
+	<ItemGroup>
+	  <EmbeddedResource Include="zero_degree_rotated_document.pdf" />
+	</ItemGroup>
+
+	<ItemGroup>
+		<PackageReference Include="Microsoft.Maui.Controls" Version="$(MauiVersion)" />
+		<PackageReference Include="Microsoft.Maui.Controls.Compatibility" Version="$(MauiVersion)" />
+		<PackageReference Include="Microsoft.Extensions.Logging.Debug" Version="8.0.0" />
+		<PackageReference Include="Syncfusion.Maui.PdfViewer" Version="100.2.276" />
+		<PackageReference Include="Syncfusion.Compression.NET" Version="*" />
+		<PackageReference Include="Syncfusion.Maui.Core" Version="*" />
+		<PackageReference Include="Syncfusion.Maui.SignaturePad" Version="*" />
+		<PackageReference Include="Syncfusion.Maui.DataSource" Version="*" />
+		<PackageReference Include="Syncfusion.Maui.GridCommon" Version="*" />
+		<PackageReference Include="Syncfusion.Maui.ListView" Version="*" />
+		<PackageReference Include="Syncfusion.Maui.PdfToImageConverter" Version="*" />
+		<PackageReference Include="Syncfusion.Pdf.NET" Version="*" />
+		<PackageReference Include="Syncfusion.Pdf.Imaging.NET" Version="*" />
+		<PackageReference Include="Syncfusion.Maui.PdfViewer" Version="*" />
+	</ItemGroup>
+
+</Project>

CustomSearchToolbar/CustomSearchToolbar/MainPage.xaml

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+<?xml version="1.0" encoding="utf-8" ?>
+<ContentPage xmlns="http://schemas.microsoft.com/dotnet/2021/maui"
+             xmlns:x="http://schemas.microsoft.com/winfx/2009/xaml"
+             x:Class="CustomSearchToolbar.MainPage"
+             xmlns:syncfusion="clr-namespace:Syncfusion.Maui.PdfViewer;assembly=Syncfusion.Maui.PdfViewer">
+    <Grid RowDefinitions="45,*">
+        <syncfusion:SfPdfViewer Grid.Row="1" x:Name="PdfViewer"></syncfusion:SfPdfViewer>
+        <Grid Grid.Row="0" BackgroundColor="#FFF7F2FB">
+            <HorizontalStackLayout HorizontalOptions="Center">
+                <Entry Placeholder="Search text..." Background="White" ClearButtonVisibility="WhileEditing" x:Name="TextField" WidthRequest="280"></Entry>
+                <Button Text="&#xe715;" TextColor="#1C1B1F" FontSize="20" FontFamily="Maui Material Assets" Background="Transparent" x:Name="Search" Clicked="Search_Clicked"></Button>
+                <Button x:Name="Previous" Text="&#xe707;" FontSize="20" TextColor="#1C1B1F" FontFamily="Maui Material Assets" Background="Transparent" Clicked="Previous_Clicked"></Button>
+                <Button x:Name="Next" Text="&#xe706;" FontSize="20" TextColor="#1C1B1F" FontFamily="Maui Material Assets" Background="Transparent" Clicked="Next_Clicked"></Button>
+                <Label Margin="5,0" VerticalOptions="Center" TextColor="#1C1B1F" Text="Match case"></Label>
+                <CheckBox x:Name="MatchCase" IsChecked="False" CheckedChanged="Search_Clicked"></CheckBox>
+                <Button x:Name="ChangeHightlightColor" FontSize="20" Text="&#xe710;" FontFamily="Maui Material Assets" Background="Transparent" TextColor="#1C1B1F" Clicked="ChangeHightlightColor_Clicked"></Button>
+                <Button x:Name="Close" Text="&#xe70e;" FontSize="20" FontFamily="Maui Material Assets" Background="Transparent" TextColor="#1C1B1F" Clicked="Close_Clicked"></Button>
+                <Label Margin="5,0" VerticalOptions="Center" IsVisible="false" x:Name="MatchesCount" Text="Matches count: " Background="Transparent" TextColor="#1C1B1F"></Label>
+                <Label Margin="5,0" VerticalOptions="Center" IsVisible="false" x:Name="CurrentMatch" Text="Current Match: " Background="Transparent" TextColor="#1C1B1F"></Label>
+            </HorizontalStackLayout>
+        </Grid>
+    </Grid>
+
+</ContentPage>

CustomSearchToolbar/CustomSearchToolbar/MainPage.xaml.cs

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+using Syncfusion.Maui.PdfViewer;
+using System.Reflection;
+
+namespace CustomSearchToolbar
+{
+    public partial class MainPage : ContentPage
+    {
+        Stream? m_pdfDocumentStream;
+        TextSearchResult? SearchResult;
+        public MainPage()
+        {
+            InitializeComponent();
+
+            // Load PDF document from resources
+            m_pdfDocumentStream = typeof(App).GetTypeInfo().Assembly.GetManifestResourceStream("CustomSearchToolbar.zero_degree_rotated_document.pdf");
+            PdfViewer.LoadDocument(m_pdfDocumentStream);
+        }
+
+        //Event handler for the search button click, initiates a text search in a PDF viewer.
+        private async void Search_Clicked(object sender, EventArgs e)
+        {
+            // Set search options based on user preferences.
+            TextSearchOptions options =  SetSearchOptions();
+
+            // Perform an asynchronous text search in the PDF viewer.
+            SearchResult = await PdfViewer.SearchTextAsync(TextField.Text, options);
+
+            if(SearchResult != null)
+            {
+                // Display an alert message based on the outcome.
+                if (SearchResult.TotalMatchesCount == 0)
+                    await DisplayAlert("No Match Found!", "Sorry, no matches found. Please try different keywords", "Cancel");
+                else
+                {
+                    // Update UI to show the total matches count and the current match index.
+                    MatchesCount.IsVisible = true;
+                    MatchesCount.Text = "Matches count: " + SearchResult.TotalMatchesCount.ToString();
+                    CurrentMatch.IsVisible = true;
+                    CurrentMatch.Text = "Current Match: " + SearchResult.CurrentMatchIndex.ToString();
+                }
+            }
+        }
+
+        // Set search options based on user preferences.
+        private TextSearchOptions SetSearchOptions()
+        {
+            TextSearchOptions options = new TextSearchOptions();
+            options = TextSearchOptions.None;
+            if (MatchCase.IsChecked)
+                options = TextSearchOptions.CaseSensitive;
+            return options;
+        }
+
+        // Moves to the previous match in the search results.
+        private void Previous_Clicked(object sender, EventArgs e)
+        {
+            SearchResult?.GoToPreviousMatch();
+            CurrentMatch.IsVisible = true;
+            CurrentMatch.Text = "Current Match: " + SearchResult?.CurrentMatchIndex.ToString();
+        }
+
+        //Moves to the next match in the search results.
+        private void Next_Clicked(object sender, EventArgs e)
+        {
+            SearchResult?.GoToNextMatch();
+            CurrentMatch.IsVisible = true;
+            CurrentMatch.Text = "Current Match: " + SearchResult?.CurrentMatchIndex.ToString();
+        }
+
+        //Changes settings of the highlight colors for the current and other matches in the PDF viewer.
+        private void ChangeHightlightColor_Clicked(object sender, EventArgs e)
+        {
+            PdfViewer.TextSearchSettings.CurrentMatchHighlightColor = Color.FromRgba("#8F00FF43");
+            PdfViewer.TextSearchSettings.OtherMatchesHighlightColor = Color.FromRgba("#00FF0043");
+        }
+
+        //Clears the search results and updates UI elements after closing the search.
+        private void Close_Clicked(object sender, EventArgs e)
+        {
+            SearchResult?.Clear();
+            MatchesCount.Text = "Matches count: " + SearchResult?.TotalMatchesCount.ToString();
+            CurrentMatch.Text = "Current Match: " + SearchResult?.CurrentMatchIndex.ToString();
+        }
+    }
+
+}

CustomSearchToolbar/CustomSearchToolbar/MauiProgram.cs

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+using Syncfusion.Maui.Core.Hosting;
+using Microsoft.Extensions.Logging;
+
+namespace CustomSearchToolbar
+{
+    public static class MauiProgram
+    {
+        public static MauiApp CreateMauiApp()
+        {
+            var builder = MauiApp.CreateBuilder();
+            builder
+                .UseMauiApp<App>()
+                .ConfigureFonts(fonts =>
+                {
+                    fonts.AddFont("OpenSans-Regular.ttf", "OpenSansRegular");
+                    fonts.AddFont("OpenSans-Semibold.ttf", "OpenSansSemibold");
+                });
+
+#if DEBUG
+    		builder.Logging.AddDebug();
+#endif
+            builder.ConfigureSyncfusionCore();
+            return builder.Build();
+        }
+    }
+}

CustomSearchToolbar/CustomSearchToolbar/Platforms/Android/AndroidManifest.xml

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+<?xml version="1.0" encoding="utf-8"?>
+<manifest xmlns:android="http://schemas.android.com/apk/res/android">
+	<application android:allowBackup="true" android:icon="@mipmap/appicon" android:roundIcon="@mipmap/appicon_round" android:supportsRtl="true"></application>
+	<uses-permission android:name="android.permission.ACCESS_NETWORK_STATE" />
+	<uses-permission android:name="android.permission.INTERNET" />
+</manifest>

CustomSearchToolbar/CustomSearchToolbar/Platforms/Android/MainActivity.cs

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+using Android.App;
+using Android.Content.PM;
+using Android.OS;
+
+namespace CustomSearchToolbar
+{
+    [Activity(Theme = "@style/Maui.SplashTheme", MainLauncher = true, ConfigurationChanges = ConfigChanges.ScreenSize | ConfigChanges.Orientation | ConfigChanges.UiMode | ConfigChanges.ScreenLayout | ConfigChanges.SmallestScreenSize | ConfigChanges.Density)]
+    public class MainActivity : MauiAppCompatActivity
+    {
+    }
+}

CustomSearchToolbar/CustomSearchToolbar/Platforms/Android/MainApplication.cs

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+using Android.App;
+using Android.Runtime;
+
+namespace CustomSearchToolbar
+{
+    [Application]
+    public class MainApplication : MauiApplication
+    {
+        public MainApplication(IntPtr handle, JniHandleOwnership ownership)
+            : base(handle, ownership)
+        {
+        }
+
+        protected override MauiApp CreateMauiApp() => MauiProgram.CreateMauiApp();
+    }
+}

CustomSearchToolbar/CustomSearchToolbar/Platforms/Android/Resources/values/colors.xml

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+<?xml version="1.0" encoding="utf-8"?>
+<resources>
+    <color name="colorPrimary">#512BD4</color>
+    <color name="colorPrimaryDark">#2B0B98</color>
+    <color name="colorAccent">#2B0B98</color>
+</resources>

CustomSearchToolbar/CustomSearchToolbar/Platforms/MacCatalyst/AppDelegate.cs

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+using Foundation;
+
+namespace CustomSearchToolbar
+{
+    [Register("AppDelegate")]
+    public class AppDelegate : MauiUIApplicationDelegate
+    {
+        protected override MauiApp CreateMauiApp() => MauiProgram.CreateMauiApp();
+    }
+}

CustomSearchToolbar/CustomSearchToolbar/Platforms/MacCatalyst/Entitlements.plist

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+<?xml version="1.0" encoding="UTF-8"?>
+<!DOCTYPE plist PUBLIC "-//Apple//DTD PLIST 1.0//EN" "http://www.apple.com/DTDs/PropertyList-1.0.dtd">
+<plist version="1.0">
+    <!-- See https://aka.ms/maui-publish-app-store#add-entitlements for more information about adding entitlements.-->
+    <dict>
+        <!-- App Sandbox must be enabled to distribute a MacCatalyst app through the Mac App Store. -->
+        <key>com.apple.security.app-sandbox</key>
+        <true/>
+        <!-- When App Sandbox is enabled, this value is required to open outgoing network connections. -->
+        <key>com.apple.security.network.client</key>
+        <true/>
+    </dict>
+</plist>
+