Crunchy-Downloader/CRD/Views/Utils/ContentDialogEncodingPresetView.axaml

<UserControl xmlns="https://github.com/avaloniaui"
             xmlns:x="http://schemas.microsoft.com/winfx/2006/xaml"
             xmlns:d="http://schemas.microsoft.com/expression/blend/2008"
             xmlns:mc="http://schemas.openxmlformats.org/markup-compatibility/2006"
             xmlns:controls="clr-namespace:FluentAvalonia.UI.Controls;assembly=FluentAvalonia"
             xmlns:utils="clr-namespace:CRD.ViewModels.Utils"
             x:DataType="utils:ContentDialogEncodingPresetViewModel"
             mc:Ignorable="d" d:DesignWidth="800" d:DesignHeight="450"
             x:Class="CRD.Views.Utils.ContentDialogEncodingPresetView">


    <StackPanel Spacing="10" Margin="10">

        <StackPanel IsVisible="{Binding EditMode}">
            <TextBlock Text="Edit Preset" Margin="0,0,0,5" />
            <ComboBox HorizontalContentAlignment="Center" MinWidth="210" MaxDropDownHeight="400"
                      ItemsSource="{Binding CustomPresetsList}"
                      SelectedItem="{Binding SelectedCustomPreset}">

                <ComboBox.ItemTemplate>
                    <DataTemplate>
                        <TextBlock Text="{Binding PresetName}"></TextBlock>
                    </DataTemplate>
                </ComboBox.ItemTemplate>
            </ComboBox>
        </StackPanel>


        <!-- Preset Name -->
        <StackPanel>
            <TextBlock Text="Enter Preset Name" Margin="0,0,0,5" />
            <TextBox Watermark="H.265 1080p" Text="{Binding PresetName}" />
            <TextBlock Text="Preset name already used" FontSize="12" Foreground="{DynamicResource SystemFillColorCaution}"
                       IsVisible="{Binding FileExists}" />
        </StackPanel>

        <!-- Codec -->
        <StackPanel>
            <TextBlock Text="Enter Codec" Margin="0,10,0,5" />
            <TextBox Watermark="libx265" Text="{Binding Codec}" />
            <TextBlock Text="Leave empty to provide the encoding options through Additional Parameters only."
                       Opacity="0.7"
                       FontSize="12"
                       TextWrapping="Wrap"
                       IsVisible="{Binding !HasCodec}" />
        </StackPanel>

        <!-- Resolution ComboBox -->
        <StackPanel IsVisible="{Binding HasCodec}">
            <TextBlock Text="Select Resolution" Margin="0,10,0,5" />
            <ComboBox HorizontalContentAlignment="Center" MinWidth="210" MaxDropDownHeight="400"
                      ItemsSource="{Binding ResolutionList}"
                      SelectedItem="{Binding SelectedResolution}">
                <ComboBox.ItemTemplate>
                    <DataTemplate>
                        <TextBlock Text="{Binding DisplayName}" />
                    </DataTemplate>
                </ComboBox.ItemTemplate>
            </ComboBox>
            <TextBlock Text="Use exact sizes for fixed output dimensions, or keep AR to preserve the source aspect ratio."
                       Opacity="0.7"
                       FontSize="12"
                       TextWrapping="Wrap" />
        </StackPanel>

        <!-- Frame Rate NumberBox -->
        <StackPanel IsVisible="{Binding HasCodec}">
            <TextBlock Text="Enter Frame Rate" Margin="0,10,0,5" />
            <!-- <controls:NumberBox Minimum="1" Maximum="999" -->
            <!--                     Value="{Binding FrameRate}" -->
            <!--                     SpinButtonPlacementMode="Inline" -->
            <!--                     HorizontalAlignment="Stretch" /> -->
            <TextBox Watermark="24000/1001" Text="{Binding FrameRate}" />
        </StackPanel>

        <!-- CRF NumberBox -->
        <StackPanel IsVisible="{Binding HasCodec}">
            <TextBlock Text="Enter CRF (0-51) - (cq,global_quality,qp)" Margin="0,10,0,5" />
            <controls:NumberBox Minimum="0" Maximum="51"
                                Value="{Binding Crf}"
                                SpinButtonPlacementMode="Inline"
                                HorizontalAlignment="Stretch" />
        </StackPanel>

        <!-- Additional Parameters -->
        <StackPanel Margin="0,20,0,0">
            <TextBlock Text="Additional Parameters" Margin="0,0,0,5" />
            <StackPanel Orientation="Horizontal" Spacing="5">
                <TextBox HorizontalAlignment="Left" MinWidth="250"
                         Text="{Binding AdditionalParametersString}" />
                <Button HorizontalAlignment="Center" Command="{Binding AddAdditionalParam}">
                    <StackPanel Orientation="Horizontal">
                        <controls:SymbolIcon Symbol="Add" FontSize="18" />
                    </StackPanel>
                </Button>
            </StackPanel>

            <ItemsControl ItemsSource="{Binding AdditionalParameters}" Margin="0,10,0,0" MaxWidth="350" HorizontalAlignment="Left">
                <ItemsControl.ItemsPanel>
                    <ItemsPanelTemplate>
                        <WrapPanel />
                    </ItemsPanelTemplate>
                </ItemsControl.ItemsPanel>
                <ItemsControl.ItemTemplate>
                    <DataTemplate>
                        <Border BorderBrush="#4a4a4a" Background="{DynamicResource ControlAltFillColorQuarternary}" BorderThickness="1"
                                CornerRadius="10" Margin="2">
                            <StackPanel Orientation="Horizontal" Margin="5">
                                <TextBlock Text="{Binding stringValue}" Margin="5,0" TextTrimming="CharacterEllipsis" MaxWidth="300" TextWrapping="NoWrap">
                                    <ToolTip.Tip>
                                        <TextBlock Text="{Binding stringValue}" FontSize="15" />
                                    </ToolTip.Tip>
                                </TextBlock>
                                <Button Content="X" FontSize="8" VerticalAlignment="Center" HorizontalAlignment="Center"
                                        HorizontalContentAlignment="Center" VerticalContentAlignment="Center"
                                        Width="15" Height="15" Padding="0"
                                        Command="{Binding $parent[ItemsControl].((utils:ContentDialogEncodingPresetViewModel)DataContext).RemoveAdditionalParam}"
                                        CommandParameter="{Binding .}" />
                            </StackPanel>
                        </Border>
                    </DataTemplate>
                </ItemsControl.ItemTemplate>
            </ItemsControl>
        </StackPanel>

        <StackPanel Margin="0,20,0,0">
            <TextBlock Text="Generated FFmpeg Command" Margin="0,0,0,5" />
            <Border BorderBrush="#4a4a4a"
                    Background="{DynamicResource ControlAltFillColorQuarternary}"
                    BorderThickness="1"
                    CornerRadius="8"
                    Padding="10"
                    MaxWidth="700"
                    HorizontalAlignment="Left">
                <SelectableTextBlock Text="{Binding CommandPreview}"
                                     FontFamily="Cascadia Mono, Consolas, Courier New"
                                     TextWrapping="Wrap" />
            </Border>
            <TextBlock Text="This preview uses sample input and output file names, but the generated options match the preset."
                       Opacity="0.7"
                       FontSize="12"
                       TextWrapping="Wrap" />
        </StackPanel>

    </StackPanel>


</UserControl>