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<UserControl x:Class="Tango.MachineStudio.UI.Views.UpdateView"
             xmlns="http://schemas.microsoft.com/winfx/2006/xaml/presentation"
             xmlns:x="http://schemas.microsoft.com/winfx/2006/xaml"
             xmlns:mc="http://schemas.openxmlformats.org/markup-compatibility/2006" 
             xmlns:d="http://schemas.microsoft.com/expression/blend/2008" 
             xmlns:materialDesign="http://materialdesigninxaml.net/winfx/xaml/themes"
             xmlns:vm="clr-namespace:Tango.MachineStudio.UI.ViewModels"
             xmlns:converters="clr-namespace:Tango.SharedUI.Converters;assembly=Tango.SharedUI"
             xmlns:mahApps="http://metro.mahapps.com/winfx/xaml/controls"
             xmlns:local="clr-namespace:Tango.MachineStudio.UI.Views"
             mc:Ignorable="d" 
             d:DesignHeight="1080" d:DesignWidth="1920" DataContext="{Binding UpdateViewVM, Source={StaticResource Locator}}" FontSize="20">

    <UserControl.Resources>
        <converters:VersionToShortVersionConverter x:Key="VersionToShortVersionConverter" />
    </UserControl.Resources>

    <Grid>
        <!--<Grid.Background>
            <ImageBrush ImageSource="/Images/White-Abstract.png" />
        </Grid.Background>-->
        <Grid MaxWidth="1200" MaxHeight="700">
            <DockPanel>
                <Grid DockPanel.Dock="Top" HorizontalAlignment="Center">
                    <!--<Grid.Effect>
                        <DropShadowEffect BlurRadius="200" ShadowDepth="0" Opacity="0.5" />
                    </Grid.Effect>-->
                    <StackPanel Orientation="Horizontal">
                        <Image Source="/Images/update.png" Width="100" />
                        <TextBlock Margin="20 0 0 0" VerticalAlignment="Center" FontSize="60" Foreground="#606060">Update Center</TextBlock>
                    </StackPanel>
                </Grid>

                <Grid DockPanel.Dock="Bottom">
                    <StackPanel Orientation="Horizontal" HorizontalAlignment="Right">
                        <Button MinWidth="140" Height="40" Style="{StaticResource MaterialDesignFlatButton}" Command="{Binding BackCommand}">
                            <StackPanel Orientation="Horizontal">
                                <materialDesign:PackIcon Kind="KeyboardBackspace" Width="24" Height="24" />
                                <TextBlock Margin="5 0 0 0" VerticalAlignment="Center">BACK TO APPLICATION</TextBlock>
                            </StackPanel>
                        </Button>
                    </StackPanel>

                    <Canvas HorizontalAlignment="Left">
                        <StackPanel>
                            <StackPanel.Style>
                                <Style TargetType="StackPanel">
                                    <Setter Property="Visibility" Value="Collapsed"></Setter>
                                    <Style.Triggers>
                                        <DataTrigger Binding="{Binding Status}" Value="{x:Static vm:UpdateStatus.UpdateAvailable}">
                                            <Setter Property="Visibility" Value="Visible"></Setter>
                                        </DataTrigger>
                                    </Style.Triggers>
                                </Style>
                            </StackPanel.Style>
                            <TextBlock Foreground="Gray" FontSize="16">Release Notes</TextBlock>
                            <TextBlock FontSize="12" TextWrapping="Wrap" Foreground="#404040" Margin="0 5 0 0" Text="{Binding UpdateComments}"></TextBlock>
                        </StackPanel>
                    </Canvas>
                </Grid>

                <Grid>
                    <Border Margin="0 10 0 10" BorderThickness="0 0 0 2" BorderBrush="DimGray">
                        <ContentControl>
                            <ContentControl.Style>
                                <Style TargetType="ContentControl">
                                    <Setter Property="Content">
                                        <Setter.Value>
                                            <Grid>

                                            </Grid>
                                        </Setter.Value>
                                    </Setter>
                                    <Style.Triggers>
                                        <DataTrigger Binding="{Binding Status}" Value="{x:Static vm:UpdateStatus.CheckingForUpdate}">
                                            <Setter Property="Content">
                                                <Setter.Value>
                                                    <Grid>
                                                        <StackPanel VerticalAlignment="Center">
                                                            <mahApps:ProgressRing Width="120" Height="120" Foreground="DimGray" />
                                                            <TextBlock HorizontalAlignment="Center" Margin="0 30 0 0">Checking for updates...</TextBlock>
                                                        </StackPanel>
                                                    </Grid>
                                                </Setter.Value>
                                            </Setter>
                                        </DataTrigger>
                                        <DataTrigger Binding="{Binding Status}" Value="{x:Static vm:UpdateStatus.UpdateAvailable}">
                                            <Setter Property="Content">
                                                <Setter.Value>
                                                    <Grid>
                                                        <StackPanel HorizontalAlignment="Center" VerticalAlignment="Center">
                                                            <Image Source="/Images/new-version.png" Width="64"></Image>
                                                            <StackPanel Orientation="Horizontal" HorizontalAlignment="Center">
                                                                <TextBlock VerticalAlignment="Center" Margin="0 20 0 0">
                                                                    <Run>Version</Run>
                                                                    <Run Text="{Binding LatestVersion,Converter={StaticResource VersionToShortVersionConverter},ConverterParameter='3'}" FontWeight="SemiBold" Foreground="{StaticResource AccentColorBrush}"></Run>
                                                                    <Run>is available!</Run>
                                                                </TextBlock>
                                                            </StackPanel>
                                                            <TextBlock FontSize="12" TextAlignment="Center" Padding="20" Margin="0 0 0 40">
                                                        <Run>A new version of Machine Studio is available for download</Run>
                                                        <LineBreak/>
                                                        <Run>Click 'Update' to start the update process.</Run>
                                                            </TextBlock>
                                                            <Button MinWidth="140" Height="40" Margin="0 0 0 0" Width="200" Command="{Binding UpdateCommand}">
                                                                <StackPanel Orientation="Horizontal">
                                                                    <materialDesign:PackIcon Kind="Download" Width="24" Height="24" />
                                                                    <TextBlock Margin="5 0 0 0" VerticalAlignment="Center">UPDATE</TextBlock>
                                                                </StackPanel>
                                                            </Button>

                                                            <Button Visibility="{Binding IsRollbackAvailable,Converter={StaticResource BoolToVisConverter}}" MinWidth="140" Height="40" Style="{StaticResource MaterialDesignFlatButton}" ToolTip="Restore Machine Studio to the previous version." Margin="0 40 0 0" Command="{Binding RollbackCommand}" Foreground="#FF5F5F">
                                                                <StackPanel Orientation="Horizontal">
                                                                    <materialDesign:PackIcon Kind="BackupRestore" Width="24" Height="24" />
                                                                    <TextBlock Margin="5 0 0 0" VerticalAlignment="Center">Restore previous version</TextBlock>
                                                                </StackPanel>
                                                            </Button>
                                                        </StackPanel>
                                                    </Grid>
                                                </Setter.Value>
                                            </Setter>
                                        </DataTrigger>
                                        <DataTrigger Binding="{Binding Status}" Value="{x:Static vm:UpdateStatus.Downloading}">
                                            <Setter Property="Content">
                                                <Setter.Value>
                                                    <Grid>
                                                        <StackPanel HorizontalAlignment="Center" VerticalAlignment="Center">
                                                            <TextBlock HorizontalAlignment="Center">
                                                        <Run>Downloading version</Run>
                                                        <Run Text="{Binding LatestVersion,FallbackValue='0.0.0.0'}"></Run>
                                                        <Run>, please wait...</Run>
                                                            </TextBlock>
                                                            <ProgressBar Height="10" Foreground="DimGray" Margin="0 20 0 0" Maximum="100" Value="{Binding DownloadProgress}"></ProgressBar>
                                                        </StackPanel>
                                                    </Grid>
                                                </Setter.Value>
                                            </Setter>
                                        </DataTrigger>
                                        <DataTrigger Binding="{Binding Status}" Value="{x:Static vm:UpdateStatus.Updating}">
                                            <Setter Property="Content">
                                                <Setter.Value>
                                                    <Grid>
                                                        <StackPanel HorizontalAlignment="Center" VerticalAlignment="Center">
                                                            <TextBlock HorizontalAlignment="Center">
                                                        <Run>Updating Machine Studio, please wait...</Run>
                                                            </TextBlock>
                                                            <ProgressBar Height="10" Foreground="DimGray" Margin="0 20 0 0" Maximum="100" Value="{Binding UpdateProgress}"></ProgressBar>

                                                            <TextBlock TextTrimming="CharacterEllipsis" Text="{Binding CurrentUpdateFile}" FontSize="10" Margin="0 10 0 0" TextAlignment="Center" Foreground="DimGray"></TextBlock>
                                                        </StackPanel>
                                                    </Grid>
                                                </Setter.Value>
                                            </Setter>
                                        </DataTrigger>
                                        <DataTrigger Binding="{Binding Status}" Value="{x:Static vm:UpdateStatus.UpdateCompleted}">
                                            <Setter Property="Content">
                                                <Setter.Value>
                                                    <Grid>
                                                        <StackPanel HorizontalAlignment="Center" VerticalAlignment="Center">
                                                            <materialDesign:PackIcon Kind="Check" Width="100" Height="100" Foreground="#1CBB1C" HorizontalAlignment="Center" />
                                                            <StackPanel Orientation="Horizontal">
                                                                <TextBlock VerticalAlignment="Center" Margin="0 20 0 0">Your version of Machine Studio is up to date!</TextBlock>
                                                            </StackPanel>

                                                            <TextBlock HorizontalAlignment="Center" Margin="0 10 0 0" FontSize="12">Please restart Machine Studio in order to apply the changes.</TextBlock>

                                                            <Button MinWidth="140" Height="40" Margin="0 50 0 0" Width="200" Command="{Binding RestartCommand}">
                                                                <StackPanel Orientation="Horizontal">
                                                                    <materialDesign:PackIcon Kind="BackupRestore" Width="24" Height="24" />
                                                                    <TextBlock Margin="5 0 0 0" VerticalAlignment="Center">RESTART</TextBlock>
                                                                </StackPanel>
                                                            </Button>
                                                        </StackPanel>
                                                    </Grid>
                                                </Setter.Value>
                                            </Setter>
                                        </DataTrigger>
                                        <DataTrigger Binding="{Binding Status}" Value="{x:Static vm:UpdateStatus.UpToDate}">
                                            <Setter Property="Content">
                                                <Setter.Value>
                                                    <Grid>
                                                        <StackPanel HorizontalAlignment="Center" VerticalAlignment="Center">
                                                            <materialDesign:PackIcon Kind="Check" Width="100" Height="100" Foreground="#1CBB1C" HorizontalAlignment="Center" />
                                                            <StackPanel Orientation="Horizontal">
                                                                <TextBlock VerticalAlignment="Center" Margin="0 20 0 0">Your version of Machine Studio is up to date!</TextBlock>
                                                            </StackPanel>

                                                            <Button Visibility="{Binding IsRollbackAvailable,Converter={StaticResource BoolToVisConverter}}" MinWidth="140" Height="40" Style="{StaticResource MaterialDesignFlatButton}" ToolTip="Restore Machine Studio to the previous version." Margin="0 40 0 0" Command="{Binding RollbackCommand}" Foreground="#FF5F5F">
                                                                <StackPanel Orientation="Horizontal">
                                                                    <materialDesign:PackIcon Kind="BackupRestore" Width="24" Height="24" />
                                                                    <TextBlock Margin="5 0 0 0" VerticalAlignment="Center">Restore previous version</TextBlock>
                                                                </StackPanel>
                                                            </Button>
                                                        </StackPanel>
                                                    </Grid>
                                                </Setter.Value>
                                            </Setter>
                                        </DataTrigger>
                                        <DataTrigger Binding="{Binding Status}" Value="{x:Static vm:UpdateStatus.Error}">
                                            <Setter Property="Content">
                                                <Setter.Value>
                                                    <Grid>
                                                        <StackPanel HorizontalAlignment="Center" VerticalAlignment="Center">
                                                            <materialDesign:PackIcon Kind="Alert" Width="100" Height="100" Foreground="#FF5F5F" HorizontalAlignment="Center" />
                                                            <TextBlock VerticalAlignment="Center" Margin="0 20 0 0" HorizontalAlignment="Center">Error updating machine studio</TextBlock>
                                                            <TextBlock HorizontalAlignment="Center" Margin="0 10 0 0" FontSize="12" TextAlignment="Center">
                                                        <Run>An error occurred while updating your software.</Run>
                                                        <LineBreak/>
                                                        <Run>press 'Try Again' to give it another try.</Run>
                                                            </TextBlock>
                                                            <Button MinWidth="140" Height="40" Margin="0 50 0 0" Width="200" Command="{Binding TryAgainCommand}">
                                                                <StackPanel Orientation="Horizontal">
                                                                    <materialDesign:PackIcon Kind="BackupRestore" Width="24" Height="24" />
                                                                    <TextBlock Margin="5 0 0 0" VerticalAlignment="Center">TRY AGAIN</TextBlock>
                                                                </StackPanel>
                                                            </Button>
                                                        </StackPanel>
                                                    </Grid>
                                                </Setter.Value>
                                            </Setter>
                                        </DataTrigger>
                                        <DataTrigger Binding="{Binding Status}" Value="{x:Static vm:UpdateStatus.RollingBack}">
                                            <Setter Property="Content">
                                                <Setter.Value>
                                                    <Grid>
                                                        <StackPanel HorizontalAlignment="Center" VerticalAlignment="Center">
                                                            <TextBlock HorizontalAlignment="Center">
                                                        <Run>Restoring previous version, please wait...</Run>
                                                            </TextBlock>
                                                            <ProgressBar Height="10" Foreground="DimGray" Margin="0 20 0 0" Maximum="100" Value="{Binding RollbackProgress}"></ProgressBar>
                                                        </StackPanel>
                                                    </Grid>
                                                </Setter.Value>
                                            </Setter>
                                        </DataTrigger>
                                        <DataTrigger Binding="{Binding Status}" Value="{x:Static vm:UpdateStatus.RollbackError}">
                                            <Setter Property="Content">
                                                <Setter.Value>
                                                    <Grid>
                                                        <StackPanel HorizontalAlignment="Center" VerticalAlignment="Center">
                                                            <materialDesign:PackIcon Kind="Alert" Width="100" Height="100" Foreground="#FF5F5F" HorizontalAlignment="Center" />
                                                            <TextBlock VerticalAlignment="Center" Margin="0 20 0 0" HorizontalAlignment="Center">Error restoring previous version</TextBlock>
                                                            <TextBlock HorizontalAlignment="Center" Margin="0 10 0 0" FontSize="12" TextAlignment="Center">
                                                        <Run>An error occurred while restore the last version.</Run>
                                                        <LineBreak/>
                                                        <Run>press 'Try Again' to give it another try.</Run>
                                                            </TextBlock>
                                                            <Button MinWidth="140" Height="40" Margin="0 50 0 0" Width="200" Command="{Binding TryRollbackAgainCommand}">
                                                                <StackPanel Orientation="Horizontal">
                                                                    <materialDesign:PackIcon Kind="BackupRestore" Width="24" Height="24" />
                                                                    <TextBlock Margin="5 0 0 0" VerticalAlignment="Center">TRY AGAIN</TextBlock>
                                                                </StackPanel>
                                                            </Button>
                                                        </StackPanel>
                                                    </Grid>
                                                </Setter.Value>
                                            </Setter>
                                        </DataTrigger>
                                        <DataTrigger Binding="{Binding Status}" Value="{x:Static vm:UpdateStatus.RollbackCompleted}">
                                            <Setter Property="Content">
                                                <Setter.Value>
                                                    <Grid>
                                                        <StackPanel HorizontalAlignment="Center" VerticalAlignment="Center">
                                                            <materialDesign:PackIcon Kind="Check" Width="100" Height="100" Foreground="#1CBB1C" HorizontalAlignment="Center" />
                                                            <StackPanel Orientation="Horizontal">
                                                                <TextBlock VerticalAlignment="Center" Margin="0 20 0 0">Machine studio has been restored to the previous version!</TextBlock>
                                                            </StackPanel>

                                                            <TextBlock HorizontalAlignment="Center" Margin="0 10 0 0" FontSize="12">Please restart Machine Studio in order to apply the changes.</TextBlock>

                                                            <Button MinWidth="140" Height="40" Margin="0 50 0 0" Width="200" Command="{Binding RestartCommand}">
                                                                <StackPanel Orientation="Horizontal">
                                                                    <materialDesign:PackIcon Kind="BackupRestore" Width="24" Height="24" />
                                                                    <TextBlock Margin="5 0 0 0" VerticalAlignment="Center">RESTART</TextBlock>
                                                                </StackPanel>
                                                            </Button>
                                                        </StackPanel>
                                                    </Grid>
                                                </Setter.Value>
                                            </Setter>
                                        </DataTrigger>
                                    </Style.Triggers>
                                </Style>
                            </ContentControl.Style>
                        </ContentControl>
                    </Border>
                </Grid>
            </DockPanel>
        </Grid>
    </Grid>
</UserControl>
generated by cgit v1.3.1 (git 2.54.0) at 2026-07-26 02:13:38 +0000
ass="c1">/// </summary> /// <param name="element">The element.</param> /// <param name="value">if set to <c>true</c> [value].</param> public static void SetMinDragOffset(FrameworkElement element, int value) { element.SetValue(MinDragOffsetProperty, value); } /// <summary> /// Gets the MinDragOffset attached property. /// </summary> /// <param name="element">The element.</param> /// <returns></returns> public static int GetMinDragOffset(FrameworkElement element) { return (int)element.GetValue(MinDragOffsetProperty); } #endregion #region DropCommand /// <summary> /// Determines whether an element is DropCommand by the drag and drop service. /// </summary> public static readonly DependencyProperty DropCommandProperty = DependencyProperty.RegisterAttached("DropCommand", typeof(ICommand), typeof(DragAndDropService), new FrameworkPropertyMetadata(null)); /// <summary> /// Sets the DropCommand attached property. /// </summary> /// <param name="element">The element.</param> /// <param name="value">if set to <c>true</c> [value].</param> public static void SetDropCommand(FrameworkElement element, ICommand value) { element.SetValue(DropCommandProperty, value); } /// <summary> /// Gets the DropCommand attached property. /// </summary> /// <param name="element">The element.</param> /// <returns></returns> public static ICommand GetDropCommand(FrameworkElement element) { return (ICommand)element.GetValue(DropCommandProperty); } #endregion #region Draggable /// <summary> /// Determines whether an element is draggable by the drag and drop service. /// </summary> public static readonly DependencyProperty DraggableProperty = DependencyProperty.RegisterAttached("Draggable", typeof(bool), typeof(DragAndDropService), new FrameworkPropertyMetadata(false, DraggableChanged)); /// <summary> /// Draggable changed. /// </summary> /// <param name="d">The d.</param> /// <param name="e">The <see cref="DependencyPropertyChangedEventArgs"/> instance containing the event data.</param> private static void DraggableChanged(DependencyObject d, DependencyPropertyChangedEventArgs e) { if ((bool)e.NewValue) { RegisterDraggable(d as FrameworkElement); } else { UnRegisterDraggable(d as FrameworkElement); } } /// <summary> /// Sets the draggable attached property. /// </summary> /// <param name="element">The element.</param> /// <param name="value">if set to <c>true</c> [value].</param> public static void SetDraggable(FrameworkElement element, bool value) { element.SetValue(DraggableProperty, value); } /// <summary> /// Gets the draggable attached property. /// </summary> /// <param name="element">The element.</param> /// <returns></returns> public static bool GetDraggable(FrameworkElement element) { return (bool)element.GetValue(DraggableProperty); } #endregion #region IsDragging /// <summary> /// Determines whether the draggable element is currently being dragged. /// </summary> public static readonly DependencyProperty IsDraggingProperty = DependencyProperty.RegisterAttached("IsDragging", typeof(bool), typeof(DragAndDropService), new FrameworkPropertyMetadata(false)); /// <summary> /// Sets the IsDragging attached property. /// </summary> /// <param name="element">The element.</param> /// <param name="value">if set to <c>true</c> [value].</param> public static void SetIsDragging(FrameworkElement element, bool value) { element.SetValue(IsDraggingProperty, value); } /// <summary> /// Gets the is dragging attached property. /// </summary> /// <param name="element">The element.</param> /// <returns></returns> public static bool GetIsDragging(FrameworkElement element) { return (bool)element.GetValue(IsDraggingProperty); } #endregion #region DraggableBackground /// <summary> /// Determines the draggable element replication background. /// </summary> public static readonly DependencyProperty DraggableBackgroundProperty = DependencyProperty.RegisterAttached("DraggableBackground", typeof(Brush), typeof(DragAndDropService), new FrameworkPropertyMetadata(null)); /// <summary> /// Sets the draggable background attached property. /// </summary> /// <param name="element">The element.</param> /// <param name="value">The value.</param> public static void SetDraggableBackground(FrameworkElement element, Brush value) { element.SetValue(DraggableBackgroundProperty, value); } /// <summary> /// Gets the draggable background attached property. /// </summary> /// <param name="element">The element.</param> /// <returns></returns> public static Brush GetDraggableBackground(FrameworkElement element) { return (Brush)element.GetValue(DraggableBackgroundProperty); } #endregion #region DraggableBorderBrush /// <summary> /// Determines the draggable element replication border brush. /// </summary> public static readonly DependencyProperty DraggableBorderBrushProperty = DependencyProperty.RegisterAttached("DraggableBorderBrush", typeof(Brush), typeof(DragAndDropService), new FrameworkPropertyMetadata(null)); /// <summary> /// Sets the draggable border brush attached property. /// </summary> /// <param name="element">The element.</param> /// <param name="value">The value.</param> public static void SetDraggableBorderBrush(FrameworkElement element, Brush value) { element.SetValue(DraggableBorderBrushProperty, value); } /// <summary> /// Gets the draggable border brush attached property. /// </summary> /// <param name="element">The element.</param> /// <returns></returns> public static Brush GetDraggableBorderBrush(FrameworkElement element) { return (Brush)element.GetValue(DraggableBorderBrushProperty); } #endregion #region DraggableOpacity /// <summary> /// Determines the draggable element replication opacity. /// </summary> public static readonly DependencyProperty DraggableOpacityProperty = DependencyProperty.RegisterAttached("DraggableOpacity", typeof(double), typeof(DragAndDropService), new FrameworkPropertyMetadata(0.8)); /// <summary> /// Sets the draggable opacity attached property. /// </summary> /// <param name="element">The element.</param> /// <param name="value">The value.</param> public static void SetDraggableOpacity(FrameworkElement element, double value) { element.SetValue(DraggableOpacityProperty, value); } /// <summary> /// Gets the draggable opacity attached property. /// </summary> /// <param name="element">The element.</param> /// <returns></returns> public static double GetDraggableOpacity(FrameworkElement element) { return (double)element.GetValue(DraggableOpacityProperty); } #endregion #region Droppable /// <summary> /// Determines whether an element is a dropable target by the drag and drop service. /// </summary> public static readonly DependencyProperty DroppableProperty = DependencyProperty.RegisterAttached("Droppable", typeof(bool), typeof(DragAndDropService), new FrameworkPropertyMetadata(false, DroppableChanged)); /// <summary> /// Droppables the changed attached property. /// </summary> /// <param name="d">The d.</param> /// <param name="e">The <see cref="DependencyPropertyChangedEventArgs"/> instance containing the event data.</param> private static void DroppableChanged(DependencyObject d, DependencyPropertyChangedEventArgs e) { if ((bool)e.NewValue) { RegisterDroppable(d as FrameworkElement); } else { UnRegisterDroppable(d as FrameworkElement); } } /// <summary> /// Sets the droppable attached property. /// </summary> /// <param name="element">The element.</param> /// <param name="value">if set to <c>true</c> [value].</param> public static void SetDroppable(FrameworkElement element, bool value) { element.SetValue(DroppableProperty, value); } /// <summary> /// Gets the droppable attached property. /// </summary> /// <param name="element">The element.</param> /// <returns></returns> public static bool GetDroppable(FrameworkElement element) { return (bool)element.GetValue(DroppableProperty); } #endregion #region IsDraggableOver /// <summary> /// Determines whether a draggable element currently hovers over the droppable element. /// </summary> public static readonly DependencyProperty IsDraggableOverProperty = DependencyProperty.RegisterAttached("IsDraggableOver", typeof(bool), typeof(DragAndDropService), new FrameworkPropertyMetadata(false)); /// <summary> /// Sets the is draggable over attached property. /// </summary> /// <param name="element">The element.</param> /// <param name="value">if set to <c>true</c> [value].</param> public static void SetIsDraggableOver(FrameworkElement element, bool value) { element.SetValue(IsDraggableOverProperty, value); } /// <summary> /// Gets the is draggable over attached property. /// </summary> /// <param name="element">The element.</param> /// <returns></returns> public static bool GetIsDraggableOver(FrameworkElement element) { return (bool)element.GetValue(IsDraggableOverProperty); } #endregion #region Dragging Surface /// <summary> /// Determines the Draggable dragging surface. /// </summary> public static readonly DependencyProperty DraggingSurfaceProperty = DependencyProperty.RegisterAttached("DraggingSurface", typeof(DraggingSurface), typeof(DragAndDropService), new FrameworkPropertyMetadata(null, DraggingSurfaceChanged)); /// <summary> /// Dragging the surface changed. /// </summary> /// <param name="d">The d.</param> /// <param name="e">The <see cref="DependencyPropertyChangedEventArgs"/> instance containing the event data.</param> private static void DraggingSurfaceChanged(DependencyObject d, DependencyPropertyChangedEventArgs e) { } /// <summary> /// Sets the dragging surface attached property. /// </summary> /// <param name="element">The element.</param> /// <param name="value">The value.</param> public static void SetDraggingSurface(FrameworkElement element, DraggingSurface value) { element.SetValue(DraggingSurfaceProperty, value); } /// <summary> /// Gets the dragging surface attached property. /// </summary> /// <param name="element">The element.</param> /// <returns></returns> public static DraggingSurface GetDraggingSurface(FrameworkElement element) { return (DraggingSurface)element.GetValue(DraggingSurfaceProperty); } #endregion #endregion #region Attached Events /// <summary> /// Occurs when a successful drop has occurred. /// </summary> public static readonly RoutedEvent DropEvent = EventManager.RegisterRoutedEvent("Drop", RoutingStrategy.Bubble, typeof(DropEventHandler), typeof(DragAndDropService)); /// <summary> /// Adds the drop event handler. /// </summary> /// <param name="o">The o.</param> /// <param name="handler">The handler.</param> public static void AddDropHandler(DependencyObject o, DropEventHandler handler) { ((UIElement)o).AddHandler(DropEvent, handler); } /// <summary> /// Removes the drop event handler. /// </summary> /// <param name="o">The o.</param> /// <param name="handler">The handler.</param> public static void RemoveDropHandler(DependencyObject o, DropEventHandler handler) { ((UIElement)o).RemoveHandler(DropEvent, handler); } #endregion #region Drag Timer /// <summary> /// Handles the Tick event of the DragTimer control. /// </summary> /// <param name="sender">The source of the event.</param> /// <param name="e">The <see cref="EventArgs"/> instance containing the event data.</param> private static void DragTimer_Tick(object sender, EventArgs e) { if ((Mouse.LeftButton == MouseButtonState.Pressed || (_touchDevice != null && _touchDevice.IsActive)) && _currentDragedElement != null) { DragStarted?.Invoke(_currentDragedElement, _currentDragedElement); var surface = GetDraggingSurface(_currentDragedElement); var rootElement = surface.Parent as FrameworkElement; if (_touchDevice != null) { DraggingSurface.SetLeft(_dragBorder, _touchDevice.GetTouchPoint(surface).Position.X - _mouseDownLocation.X); DraggingSurface.SetTop(_dragBorder, _touchDevice.GetTouchPoint(surface).Position.Y - _mouseDownLocation.Y); } else { DraggingSurface.SetLeft(_dragBorder, Mouse.GetPosition(surface).X - _mouseDownLocation.X); DraggingSurface.SetTop(_dragBorder, Mouse.GetPosition(surface).Y - _mouseDownLocation.Y); } _dragBorder.Visibility = Visibility.Visible; bool found = false; foreach (var dropElement in _dropElements.Where(x => x != _currentDragedElement)) { if (!dropElement.IsLoaded) { dropElement.UpdateLayout(); dropElement.InvalidateArrange(); dropElement.InvalidateMeasure(); dropElement.InvalidateVisual(); continue; } //Point dropPoint = dropElement.TransformToAncestor(rootElement).Transform(new Point(0, 0)); Point dropPoint = dropElement.PointToScreen(new Point(0, 0)); var dropElementScaledSize = dropElement.PointToScreen(new Point(dropElement.ActualWidth, dropElement.ActualHeight)) - dropElement.PointToScreen(new Point(0, 0)); Rect dropRect = new Rect(dropPoint, new Size(dropElementScaledSize.X, dropElementScaledSize.Y)); Rect dragRect = new Rect(Canvas.GetLeft(_dragBorder), Canvas.GetTop(_dragBorder), _dragBorder.Width / 2, _dragBorder.Height); Point mousePoint = new Point(); if (_touchDevice != null) { mousePoint = rootElement.PointToScreen(_touchDevice.GetTouchPoint(rootElement).Position); } else { mousePoint = rootElement.PointToScreen(Mouse.GetPosition(rootElement)); } if (dropRect.IntersectsWith(new Rect(mousePoint, new Size(1, 1)))) { SetIsDraggableOver(dropElement, true); foreach (var drop in _dropElements.Where(x => x != dropElement)) { SetIsDraggableOver(drop, false); } _currentDropElement = dropElement; found = true; } else { SetIsDraggableOver(dropElement, false); } } if (!found) { _currentDropElement = null; } } else { DragEnded?.Invoke(_currentDragedElement, _currentDragedElement); DropDraggable(); } } #endregion #region Private Methods /// <summary> /// Registers a framework element as a draggable element. /// </summary> /// <param name="element">The element.</param> private static void RegisterDraggable(FrameworkElement element) { if (!_dragElements.Contains(element)) { _dragElements.Add(element); element.RegisterForPreviewMouseOrTouchDown(Draggable_PreviewMouseDown); element.RegisterForMouseOrTouchMove(Draggable_MouseMove); element.PreviewMouseUp += Draggable_PreviewMouseUp; //element.IsManipulationEnabled = true; //element.AddHandler(FrameworkElement.PreviewMouseDownEvent, (MouseButtonEventHandler)Draggable_PreviewMouseDown, true); //element.AddHandler(FrameworkElement.MouseMoveEvent, (MouseEventHandler)Draggable_MouseMove, true); //element.AddHandler(FrameworkElement.PreviewMouseUpEvent, (MouseButtonEventHandler)Draggable_PreviewMouseUp, true); element.Unloaded += Element_Unloaded; } } /// <summary> /// Unregisters a framework element as a draggable element. /// </summary> /// <param name="element">The element.</param> private static void RegisterDroppable(FrameworkElement element) { if (!_dropElements.Contains(element)) { _dropElements.Add(element); element.Unloaded += Element_Unloaded1; } } /// <summary> /// Registers a framework element as a droppable element. /// </summary> /// <param name="element">The element.</param> private static void UnRegisterDraggable(FrameworkElement element) { _dragElements.Remove(element); } /// <summary> /// Unregisters a framework element as a droppable element. /// </summary> /// <param name="element">The element.</param> private static void UnRegisterDroppable(FrameworkElement element) { _dropElements.Remove(element); } /// <summary> /// Creates the dragging element replication. /// </summary> private static void CreateDraggingElement() { if (_currentDragedElement != null) { BitmapSource source = _currentDragedElement.TakeSnapshot(); _dragBorder = new Border(); var surface = GetDraggingSurface(_currentDragedElement); _dragBorder.Background = GetDraggableBackground(_currentDragedElement); _dragBorder.BorderThickness = new Thickness(1); _dragBorder.BorderBrush = GetDraggableBorderBrush(_currentDragedElement); //dragBorder.CornerRadius = new CornerRadius(currentDragedElement.BorderRadius); _dragBorder.Visibility = Visibility.Hidden; _dragBorder.IsHitTestVisible = false; _dragBorder.Width = source.PixelWidth; _dragBorder.Height = source.PixelHeight; _dragBorder.Opacity = GetDraggableOpacity(_currentDragedElement); Image img = new Image(); _dragBorder.Child = img; img.Stretch = System.Windows.Media.Stretch.Fill; img.Source = source; ScaleTransform scale = new ScaleTransform(1, 1, 0.5, 0.5); _dragBorder.RenderTransformOrigin = new Point(0.5, 0.5); _dragBorder.RenderTransform = scale; surface.Children.Add(_dragBorder); DoubleAnimation ani = new DoubleAnimation(0.95, new Duration(TimeSpan.FromMilliseconds(300))); ani.AutoReverse = true; ani.RepeatBehavior = RepeatBehavior.Forever; DoubleAnimation aniOp = new DoubleAnimation(_dragBorder.Opacity, 0.5, new Duration(TimeSpan.FromMilliseconds(300))); aniOp.AutoReverse = true; aniOp.RepeatBehavior = RepeatBehavior.Forever; scale.BeginAnimation(ScaleTransform.ScaleXProperty, ani); scale.BeginAnimation(ScaleTransform.ScaleYProperty, ani); _dragBorder.BeginAnimation(ContentControl.OpacityProperty, aniOp); } } /// <summary> /// Removes the dragging element replication. /// </summary> private static void RemoveDraggingElement() { if (_dragBorder != null) { _dragBorder.RenderTransform.BeginAnimation(ScaleTransform.ScaleXProperty, null); _dragBorder.RenderTransform.BeginAnimation(ScaleTransform.ScaleYProperty, null); _dragBorder.BeginAnimation(ContentControl.OpacityProperty, null); } var surface = GetDraggingSurface(_currentDragedElement); surface.Children.Clear(); } /// <summary> /// Drops the draggable. /// </summary> /// <param name="noDrop">if set to <c>true</c> [no drop].</param> private static void DropDraggable(bool noDrop = false) { _isMouseDown = false; RemoveDraggingElement(); _dragTimer.Stop(); SetIsDragging(_currentDragedElement, false); foreach (var dropElement in _dropElements) { SetIsDraggableOver(dropElement, false); } if (noDrop) { _currentDragedElement = null; _currentDropElement = null; return; } if (_currentDropElement != null && _currentDragedElement != null) { _currentDropElement.RaiseEvent(new DropEventArgs(DropEvent, _currentDragedElement, _currentDropElement, _mouseDownLocation)); var command = GetDropCommand(_currentDropElement); if (command != null) { command.Execute(new DropEventArgs(DropEvent, _currentDragedElement, _currentDropElement, _mouseDownLocation)); } _currentDragedElement = null; _currentDropElement = null; } else if (_currentDropElement == null && _currentDragedElement != null) { //if (DroppedNoWhere != null) DroppedNoWhere(this, currentDragedElement.Element); //TODO: ?? } } #endregion #region Draggable Event Handlers private static void Draggable_PreviewMouseDown(object sender, MouseOrTouchEventArgs e) { var dragThumb = (sender as FrameworkElement).FindChild<DragThumb>(); if ((e.Source != sender && dragThumb == null) || (dragThumb != null && dragThumb != e.OriginalSource)) { return; } FrameworkElement element = sender as FrameworkElement; if (!_dragElements.Exists(x => x == element)) { e.Handled = false; return; } _mouseDownLocation = e.GetPosition(element); _currentDragedElement = element; _isMouseDown = true; } /// <summary> /// Handles the MouseMove event of the Draggable control. /// </summary> /// <param name="sender">The source of the event.</param> /// <param name="e">The <see cref="System.Windows.Input.MouseEventArgs"/> instance containing the event data.</param> private static void Draggable_MouseMove(object sender, MouseOrTouchEventArgs e) { if (_isMouseDown) { FrameworkElement element = _currentDragedElement; int minDragOffset = GetMinDragOffset(element); if (element != null) { var surface = GetDraggingSurface(element); if (surface != null) { if ((e.GetPosition(element).X > _mouseDownLocation.X + minDragOffset || e.GetPosition(element).X < _mouseDownLocation.X - minDragOffset) || (e.GetPosition(element).Y > _mouseDownLocation.Y + minDragOffset || e.GetPosition(element).Y < _mouseDownLocation.Y - minDragOffset)) { element.ReleaseMouseCapture(); surface.ReleaseMouseCapture(); if (e.TouchDevice != null) { element.ReleaseTouchCapture(e.TouchDevice); surface.ReleaseTouchCapture(e.TouchDevice); } _isMouseDown = false; CreateDraggingElement(); _touchDevice = e.TouchDevice; _dragTimer.Start(); SetIsDragging(element, true); } } } } } /// <summary> /// Handles the PreviewMouseUp event of the Draggable control. /// </summary> /// <param name="sender">The source of the event.</param> /// <param name="e">The <see cref="System.Windows.Input.MouseButtonEventArgs"/> instance containing the event data.</param> private static void Draggable_PreviewMouseUp(object sender, System.Windows.Input.MouseButtonEventArgs e) { FrameworkElement element = _currentDragedElement; if (element != null) { e.Handled = true; if ((e.GetPosition(element).X > _mouseDownLocation.X + 10 || e.GetPosition(element).X < _mouseDownLocation.X - 10) || (e.GetPosition(element).Y > _mouseDownLocation.Y + 10 || e.GetPosition(element).Y < _mouseDownLocation.Y - 10)) { DropDraggable(); } else { DropDraggable(true); } } } /// <summary> /// Handles the Unloaded event of the Element control. /// </summary> /// <param name="sender">The source of the event.</param> /// <param name="e">The <see cref="RoutedEventArgs"/> instance containing the event data.</param> private static void Element_Unloaded(object sender, RoutedEventArgs e) { //FrameworkElement element = sender as FrameworkElement; //UnRegisterDraggable(element); } #endregion #region Droppable Event Handlers /// <summary> /// Handles the Unloaded1 event of the Element control. /// </summary> /// <param name="sender">The source of the event.</param> /// <param name="e">The <see cref="RoutedEventArgs"/> instance containing the event data.</param> private static void Element_Unloaded1(object sender, RoutedEventArgs e) { //FrameworkElement element = sender as FrameworkElement; //UnRegisterDroppable(element); } #endregion } }
generated by cgit v1.3.1 (git 2.54.0) at 2026-07-26 02:13:38 +0000