<!--
   Copyright (C) 2020-2021 Artifex Software, Inc.
   All Rights Reserved.

   This software is provided AS-IS with no warranty, either express or
   implied.

   This software is distributed under license and may not be copied,
   modified or distributed except as expressly authorized under the terms
   of the license contained in the file LICENSE in this distribution.

   Refer to licensing information at http://www.artifex.com or contact
   Artifex Software, Inc.,  1305 Grant Avenue - Suite 200, Novato,
   CA 94945, U.S.A., +1(415)492-9861, for further information.
-->

<Window x:Class="ghostnet_wpf_example.MainWindow"
        xmlns="http://schemas.microsoft.com/winfx/2006/xaml/presentation"
        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:local="clr-namespace:ghostnet_wpf_example"
        mc:Ignorable="d" UseLayoutRounding="True"
        Title="GhostNet WPF example" Height="880" Width="870">
    <!-- UseLayoutRounding needed to avoid funny interpolation effects on pages -->
    <Window.Resources>
        <ItemsPanelTemplate x:Key="MenuItemPanelTemplateNoIcon">
            <StackPanel Margin="-20,0,0,0" Background="WhiteSmoke"/>
        </ItemsPanelTemplate>
        <DataTemplate x:Key="PageTemplate">
            <Canvas Tag="{Binding PageName}" HorizontalAlignment="Center" VerticalAlignment="Top" Height="{Binding Height}" Width="{Binding Width}" Margin="0,0,0,0" ClipToBounds="True">
                <Image Width="{Binding Width}" Height="{Binding Height}" Stretch="Fill" HorizontalAlignment="Center" Source="{Binding BitMap}">
                    <Image.BitmapEffect>
                        <DropShadowBitmapEffect Color="Black" Direction="-50" ShadowDepth="40" Softness=".7" />
                    </Image.BitmapEffect>
                </Image>
            </Canvas>
        </DataTemplate>

        <DataTemplate x:Key="ThumbTemplate">
            <Image Width="{Binding Width}" Height="{Binding Height}" Stretch="Fill" HorizontalAlignment="Center" Source="{Binding BitMap}" Margin="24,24,0,0">
                <Image.BitmapEffect>
                    <DropShadowBitmapEffect Color="Black" Direction="-50"
                    ShadowDepth="5" Softness=".7" />
                </Image.BitmapEffect>
            </Image>
        </DataTemplate>
        
    </Window.Resources>

    <!-- The following is needed to set up all the keyboard short cuts -->
    <Window.CommandBindings>
        <CommandBinding Command="Open" Executed="OpenFileCommand"></CommandBinding>
        <CommandBinding Command="Close" Executed="CloseCommand"></CommandBinding>
        <CommandBinding Command="Print" Executed="PrintCommand"></CommandBinding>
    </Window.CommandBindings>
    <Window.InputBindings>
        <KeyBinding Key="O" Modifiers="Control" Command="Open"></KeyBinding>
        <KeyBinding Key="W" Modifiers="Control" Command="Close"></KeyBinding>
        <KeyBinding Key="P" Modifiers="Control" Command="Print"></KeyBinding>
    </Window.InputBindings>

    <DockPanel LastChildFill="True">
        <Menu IsMainMenu="True" DockPanel.Dock="Top" Background="WhiteSmoke" FocusManager.IsFocusScope="False">
            <MenuItem Header="_File" x:Name="xaml_file" VerticalAlignment="Center">
                <MenuItem VerticalAlignment="Center" Padding="5" InputGestureText="Ctrl+O" Command="Open" >
                    <MenuItem.Header>
                        <TextBlock Margin="5,0,0,0" VerticalAlignment="Center" Text="Open..." ></TextBlock>
                    </MenuItem.Header>
                </MenuItem>
                <MenuItem Padding="5" Command="Close" InputGestureText="Ctrl+W" x:Name="xaml_closefile" VerticalAlignment="Center">
                    <MenuItem.Header>
                        <TextBlock Margin="5,0,0,0" Text="Close" VerticalAlignment="Center"></TextBlock>
                    </MenuItem.Header>
                </MenuItem>
                <MenuItem Padding="5" Command="Print" InputGestureText="Ctrl+W" x:Name="xaml_printfile" VerticalAlignment="Center">
                    <MenuItem.Header>
                        <TextBlock Margin="5,0,0,0" Text="Print" VerticalAlignment="Center"></TextBlock>
                    </MenuItem.Header>
                </MenuItem>
                <MenuItem Padding="5" Click="ShowGSMessage" x:Name="xaml_gsmessage" VerticalAlignment="Center" >
                    <MenuItem.Header>
                        <TextBlock Margin="5,0,0,0" Text="Show Messages" VerticalAlignment="Center"></TextBlock>
                    </MenuItem.Header>
                </MenuItem>
            </MenuItem>
            <MenuItem Header="About" Click="OnAboutClick"/>
        </Menu>
        <WrapPanel Orientation="Horizontal" DockPanel.Dock="Top" Background="WhiteSmoke">
            <TextBox x:Name="xaml_currPage" Grid.Row="0" Width="40" Height="20" VerticalScrollBarVisibility="Hidden" Padding="0"
                     HorizontalScrollBarVisibility="Hidden"  TextAlignment="Center" Margin="20,2,0,2" PreviewKeyDown="PageEnterClicked" VerticalAlignment="Center"/>
            <TextBlock Margin="2,0,0,0" Height="20" Text="/ 0" x:Name="xaml_TotalPages" Padding="0" VerticalAlignment="Center" Focusable="False">
                <TextBlock.FontSize>12</TextBlock.FontSize>
            </TextBlock>

            <Button Margin="20 0 2 0" Width="20" Height="20" Click="ZoomIn" Background="Transparent" BorderBrush="DarkBlue"  x:Name="xaml_zoomIn" Focusable="False">
                <TextBlock Margin="0,0,0,0" Height="20" Text="+" FontWeight="Bold">
                    <TextBlock.FontSize>12</TextBlock.FontSize>
                </TextBlock>
            </Button>
            <Button  Margin="0 0 2 0" x:Name="xaml_zoomOut" Width="20" Height="20"  Click="ZoomOut" Background="Transparent" BorderBrush="DarkBlue">
                <TextBlock Margin="0,0,0,0" Height="20" Text="–" FontWeight="Bold">
                    <TextBlock.FontSize>12</TextBlock.FontSize>
                </TextBlock>
            </Button>
            <TextBox Grid.Row="0"  Grid.Column="2" Margin="0 0 0 0" Width="30" Height="20" VerticalScrollBarVisibility="Hidden"
                     HorizontalScrollBarVisibility="Hidden"  TextAlignment="Left" x:Name="xaml_Zoomsize"
                     PreviewKeyDown="ZoomEnterClicked" TextChanged="ZoomTextChanged" VerticalAlignment="Center" Padding="0"/>
            <TextBlock Margin="2,0,0,0" Height="20" Text="%">
                <TextBlock.FontSize>12</TextBlock.FontSize>
            </TextBlock>

            <TextBlock Margin="20,0,0,0" Height="20" Text="Enable Antialias:">
                <TextBlock.FontSize>12</TextBlock.FontSize>
            </TextBlock>
            <CheckBox x:Name="xaml_aa" Margin="2,2,0,0" Unchecked="AA_uncheck" Checked="AA_check" IsChecked="True"></CheckBox>
        </WrapPanel>

        <!-- The progress bar that runs during GS distilling -->
        <Grid x:Name="xaml_DistillGrid" DockPanel.Dock="Bottom" Visibility="Collapsed">
            <Grid.ColumnDefinitions>
                <ColumnDefinition Width="*" />
                <ColumnDefinition Width="Auto" />
                <ColumnDefinition Width="Auto" />
            </Grid.ColumnDefinitions>
            <ProgressBar x:Name="xaml_DistillProgress" Grid.Row="0" Grid.Column="0" Margin="3" Minimum="0"
                     Maximum="100" Height="20" HorizontalAlignment="Stretch"/>
            <TextBlock x:Name="xaml_DistillName" Grid.Row="0" Grid.Column="1" VerticalAlignment="Center" Margin="5, 0, 5, 0"><Bold>Distilling</Bold></TextBlock>
            <Button  Grid.Row="0" Grid.Column="2" Width="50" Height="20" Name="xaml_CancelDistill" Click="CancelDistillClick" Background="Transparent" BorderBrush="Transparent" Margin="5,0,5,0">
                <Button.Template>
                    <ControlTemplate TargetType="{x:Type Button}">
                        <Grid>
                            <Rectangle Height="Auto" RadiusX="5" RadiusY="5">
                                <Rectangle.Fill >
                                    <SolidColorBrush Color="LightSlateGray"></SolidColorBrush>
                                </Rectangle.Fill>
                            </Rectangle>
                            <ContentPresenter Content="{TemplateBinding Content}" HorizontalAlignment="Center" VerticalAlignment="Center"/>
                        </Grid>
                    </ControlTemplate>
                </Button.Template>
                <TextBlock><Bold>Cancel</Bold></TextBlock>
            </Button>
        </Grid>

        <Grid x:Name="xaml_PrintGrid" DockPanel.Dock="Bottom" Visibility="Collapsed">
            <Grid.ColumnDefinitions>
                <ColumnDefinition Width="*" />
                <ColumnDefinition Width="Auto" />
                <ColumnDefinition Width="Auto" />
            </Grid.ColumnDefinitions>
            <ProgressBar x:Name="xaml_PrintProgress" Grid.Row="0" Grid.Column="0" Margin="3" Minimum="0"
                     Maximum="100" Height="20" HorizontalAlignment="Stretch" />
            <TextBlock Grid.Row="0" Grid.Column="1" VerticalAlignment="Center" Margin="5, 0, 5, 0"><Bold>Printing</Bold></TextBlock>
        </Grid>

        <!-- The progress bar that runs while the pages are rendered -->
        <Grid x:Name="xaml_ProgressGrid" DockPanel.Dock="Bottom" Visibility="Collapsed">
            <Grid.ColumnDefinitions>
                <ColumnDefinition Width="*" />
                <ColumnDefinition Width="Auto" />
                <ColumnDefinition Width="Auto" />
            </Grid.ColumnDefinitions>
            <ProgressBar x:Name="xaml_RenderProgress" Grid.Row="0" Grid.Column="0" Margin="3" Minimum="0"
                     Maximum="100" Height="20" HorizontalAlignment="Stretch" />
            <TextBlock x:Name="xaml_RenderProgressText" Grid.Row="0" Grid.Column="1" VerticalAlignment="Center" Margin="5, 0, 5, 0"><Bold>Creating Thumbs</Bold></TextBlock>
        </Grid>

        <!-- Thumb viewer/selector -->
        <Grid x:Name="xaml_ThumbGrid" Width="150" Background="DarkGray" DockPanel.Dock="Left" Visibility="Collapsed">
            <ListView x:Name="xaml_ThumbList" HorizontalAlignment="Stretch"
                      ItemTemplate="{StaticResource ThumbTemplate}"
                      ScrollViewer.CanContentScroll="False"
                      Background="DarkGray"
                      PreviewMouseLeftButtonUp="ThumbSelected">
            </ListView>
        </Grid>

        <!-- Pages are last child fill.  This goes in the center of dock panel ScrollViewer.CanContentScroll False allows continuous scrolling-->
        <!--  <Grid x:Name="xaml_PageGrid" HorizontalAlignment="Stretch" Background="DarkGray" DockPanel.Dock="Left" AllowDrop="True"> -->
        <ListView x:Name="xaml_PageList" HorizontalAlignment="Stretch"
                ItemTemplate="{StaticResource PageTemplate}"
                ScrollViewer.CanContentScroll="False"
                Background="DarkGray"
                ScrollViewer.IsDeferredScrollingEnabled="False"
                IsHitTestVisible="True"
                SelectionMode="Single"
                ScrollViewer.HorizontalScrollBarVisibility="Auto"
                ScrollViewer.VerticalScrollBarVisibility="Visible"
                ScrollViewer.ScrollChanged="PageScrollChanged"
                DockPanel.Dock="Left" AllowDrop="True"
                >

            <!-- This keeps the pages in the center of the panel -->
            <ListView.ItemContainerStyle>
                <Style TargetType="ListViewItem">
                    <Setter Property="BorderThickness" Value="0"/>
                    <Setter Property="Margin" Value="10"/>
                    <!-- This should be changed with PAGE_MARGIN -->
                    <Setter Property="Padding" Value="0"/>
                    <Setter Property="HorizontalContentAlignment" Value="Stretch"/>
                    <!-- This overrides the blue back ground color of the current selection or mouse over -->
                    <Setter Property="Template">
                        <Setter.Value>
                            <ControlTemplate TargetType="ListViewItem">
                                <Border x:Name="border" Background="Transparent">
                                    <VisualStateManager.VisualStateGroups>
                                        <VisualStateGroup x:Name="CommonStates">
                                            <VisualState x:Name="Normal" />
                                            <VisualState x:Name="Disabled" />
                                        </VisualStateGroup>
                                        <VisualStateGroup x:Name="SelectionStates">
                                            <VisualState x:Name="Unselected" />
                                            <VisualState x:Name="Selected">
                                            </VisualState>
                                            <VisualState x:Name="SelectedUnfocused">
                                            </VisualState>
                                        </VisualStateGroup>
                                    </VisualStateManager.VisualStateGroups>
                                    <ContentPresenter/>
                                </Border>
                            </ControlTemplate>
                        </Setter.Value>
                    </Setter>
                </Style>
            </ListView.ItemContainerStyle>
        </ListView>
    </DockPanel>

</Window>
