private void InitializePreviewElement(object previewContent)
{
FrameworkElement previewElement = null;
if (previewContent is IWpfDifferenceViewer)
{
_previewDiffViewer = previewContent as IWpfDifferenceViewer;
previewElement = _previewDiffViewer.VisualElement;
PreviewDockPanel.Background = _previewDiffViewer.InlineView.Background;
}
else if (previewContent is string)
{
previewElement = GetPreviewForString(previewContent as string);
}
else if (previewContent is FrameworkElement)
{
previewElement = previewContent as FrameworkElement;
}
if (previewElement != null)
{
HeaderSeparator.Visibility = Visibility.Visible;
PreviewDockPanel.Visibility = Visibility.Visible;
PreviewScrollViewer.Content = previewElement;
previewElement.VerticalAlignment = VerticalAlignment.Top;
previewElement.HorizontalAlignment = HorizontalAlignment.Left;
}
// 1. Width of the header section should not exceed the width of the preview content.
// In other words, the text we put in the header at the top of the preview pane
// should not cause the preview pane itself to grow wider than the width required to
// display the preview content at the bottom of the pane.
// 2. Adjust the height of the header section so that it displays only three lines worth
// by default.
AdjustWidthAndHeight(previewElement);
}
private void InitializePreviewElement(object previewContent)
{
FrameworkElement previewElement = null;
if (previewContent is IWpfDifferenceViewer)
{
_previewDiffViewer = previewContent as IWpfDifferenceViewer;
previewElement = _previewDiffViewer.VisualElement;
PreviewDockPanel.Background = _previewDiffViewer.InlineView.Background;
}
else if (previewContent is string)
{
previewElement = GetPreviewForString(previewContent as string);
}
else if (previewContent is FrameworkElement)
{
previewElement = previewContent as FrameworkElement;
}
if (previewElement != null)
{
PreviewDockPanel.Visibility = Visibility.Visible;
PreviewScrollViewer.Content = previewElement;
previewElement.VerticalAlignment = VerticalAlignment.Top;
previewElement.HorizontalAlignment = HorizontalAlignment.Left;
}
// 1. Width of the header section should not exceed the width of the preview content.
// In other words, the text we put in the header at the top of the preview pane
// should not cause the preview pane itself to grow wider than the width required to
// display the preview content at the bottom of the pane.
// 2. Adjust the height of the header section so that it displays only three lines worth
// by default.
AdjustWidthAndHeight(previewElement);
}
public SizeToFitHelper(IWpfDifferenceViewer diffViewer, double minWidth)
{
_calculationStarted = 0;
_diffViewer = diffViewer;
_minWidth = minWidth;
_taskCompletion = new TaskCompletionSource <object>();
}
/// <summary>
/// Initializes a new instance of the <see cref="DisposableDifferenceViewerControl"/> class.
/// </summary>
/// <param name="differenceViewer"><see cref="IWpfDifferenceViewer"/> instance.</param>
/// <param name="description">Description of the changes. Optional.</param>
/// <param name="additionalContent">Additional content to display at the bottom. Optional.</param>
internal DisposableDifferenceViewerControl(
IWpfDifferenceViewer differenceViewer,
string description = null,
FrameworkElement additionalContent = null)
{
this.InitializeComponent();
this.differenceViewer = Requires.NotNull(differenceViewer, nameof(differenceViewer));
if (!string.IsNullOrWhiteSpace(description))
{
var descriptionBlock = new TextBlock
{
TextWrapping = TextWrapping.Wrap,
Padding = new Thickness(5),
};
descriptionBlock.Inlines.Add(new Run()
{
Text = description,
});
this.StackPanelContent.Children.Add(descriptionBlock);
}
this.StackPanelContent.Children.Add(this.differenceViewer.VisualElement);
if (additionalContent != null)
{
this.StackPanelContent.Children.Add(additionalContent);
}
}
public SizeToFitHelper(IWpfDifferenceViewer diffViewer, double minWidth)
{
_calculationStarted = 0;
_diffViewer = diffViewer;
_minWidth = minWidth;
_taskCompletion = new TaskCompletionSource<object>();
}
/// <inheritdoc/>
public void Dispose()
{
if (this.differenceViewer != null)
{
this.differenceViewer.Close();
this.differenceViewer = null;
}
}
public SizeToFitHelper(IThreadingContext threadingContext, IWpfDifferenceViewer diffViewer, double minWidth)
: base(threadingContext)
{
_calculationStarted = 0;
_diffViewer = diffViewer;
_minWidth = minWidth;
_taskCompletion = new TaskCompletionSource <object>();
}
public SizeToFitHelper(
IThreadingContext threadingContext,
IWpfDifferenceViewer diffViewer,
double minWidth
) : base(threadingContext)
{
_diffViewer = diffViewer;
_minWidth = minWidth;
}
private FrameworkElement CreatePreviewElement(IReadOnlyList <object> previewItems)
{
if (previewItems == null || previewItems.Count == 0)
{
return(null);
}
const int MaxItems = 3;
if (previewItems.Count > MaxItems)
{
previewItems = previewItems.Take(MaxItems).Concat("...").ToList();
}
var grid = new Grid();
for (var i = 0; i < previewItems.Count; i++)
{
var previewItem = previewItems[i];
FrameworkElement previewElement = null;
if (previewItem is IWpfDifferenceViewer)
{
_previewDiffViewer = (IWpfDifferenceViewer)previewItem;
previewElement = _previewDiffViewer.VisualElement;
PreviewDockPanel.Background = _previewDiffViewer.InlineView.Background;
}
else if (previewItem is string)
{
previewElement = GetPreviewForString((string)previewItem);
}
else if (previewItem is FrameworkElement)
{
previewElement = (FrameworkElement)previewItem;
}
var rowDefinition = i == 0 ? new RowDefinition() : new RowDefinition()
{
Height = GridLength.Auto
};
grid.RowDefinitions.Add(rowDefinition);
Grid.SetRow(previewElement, grid.RowDefinitions.IndexOf(rowDefinition));
grid.Children.Add(previewElement);
if (i == 0)
{
grid.Width = previewElement.Width;
}
}
var preview = grid.Children.Count == 0 ? (FrameworkElement)grid.Children[0] : grid;
return(preview);
}
public void Dispose()
{
GC.SuppressFinalize(this);
if (_viewer != null && !_viewer.IsClosed)
{
_viewer.Close();
}
_viewer = null;
}
public void Dispose()
{
GC.SuppressFinalize(this);
if (_viewer != null && !_viewer.IsClosed)
{
_viewer.Close();
}
_viewer = null;
}
public static Task SizeToFitAsync(
this IWpfDifferenceViewer diffViewer,
IThreadingContext threadingContext,
double minWidth = 400.0,
CancellationToken cancellationToken = default
)
{
var helper = new SizeToFitHelper(threadingContext, diffViewer, minWidth);
return(helper.SizeToFitAsync(cancellationToken));
}
/// <inheritdoc/>
public void Dispose()
{
if (this.differenceViewer != null)
{
this.differenceViewer.Close();
this.differenceViewer = null;
}
if (ApplyFixesInDocument != null)
{
foreach (Delegate x in ApplyFixesInDocument?.GetInvocationList())
{
ApplyFixesInDocument -= (EventHandler <ApplyFixEventArgs>)x;
}
System.Diagnostics.Debug.Assert(ApplyFixesInDocument == null, "Should not have hooked events.");
}
}
public DifferenceViewerPreview(IWpfDifferenceViewer viewer)
{
Contract.ThrowIfNull(viewer);
_viewer = viewer;
}
public static void SizeToFit(this IWpfDifferenceViewer diffViewer, double minWidth = 400.0)
{
var helper = new SizeToFitHelper(diffViewer, minWidth);
helper.SizeToFit();
}
private FrameworkElement CreatePreviewElement(IReadOnlyList<object> previewItems)
{
if (previewItems == null || previewItems.Count == 0)
{
return null;
}
const int MaxItems = 3;
if (previewItems.Count > MaxItems)
{
previewItems = previewItems.Take(MaxItems).Concat("...").ToList();
}
var grid = new Grid();
for (var i = 0; i < previewItems.Count; i++)
{
var previewItem = previewItems[i];
FrameworkElement previewElement = null;
if (previewItem is IWpfDifferenceViewer)
{
_previewDiffViewer = (IWpfDifferenceViewer)previewItem;
previewElement = _previewDiffViewer.VisualElement;
PreviewDockPanel.Background = _previewDiffViewer.InlineView.Background;
}
else if (previewItem is string)
{
previewElement = GetPreviewForString((string)previewItem);
}
else if (previewItem is FrameworkElement)
{
previewElement = (FrameworkElement)previewItem;
}
var rowDefinition = i == 0 ? new RowDefinition() : new RowDefinition() { Height = GridLength.Auto };
grid.RowDefinitions.Add(rowDefinition);
Grid.SetRow(previewElement, grid.RowDefinitions.IndexOf(rowDefinition));
grid.Children.Add(previewElement);
if (i == 0)
{
grid.Width = previewElement.Width;
}
}
var preview = grid.Children.Count == 0 ? (FrameworkElement)grid.Children[0] : grid;
return preview;
}
public DifferenceViewerPreview(IWpfDifferenceViewer viewer)
{
_viewer = viewer ?? throw new FormatException("Viewer null");
}
public DifferenceViewerPreview(IWpfDifferenceViewer viewer)
{
Contract.ThrowIfNull(viewer);
_viewer = viewer;
}
public static Task SizeToFitAsync(this IWpfDifferenceViewer diffViewer, IThreadingContext threadingContext, double minWidth = 400.0)
{
var helper = new SizeToFitHelper(threadingContext, diffViewer, minWidth);
return(helper.SizeToFitAsync());
}
public PreviewPane(Image severityIcon, string id, string title, string helpMessage, string description, string helpLink,
bool telemetry, object previewContent, IServiceProvider serviceProvider)
{
InitializeComponent();
InitializeHyperlinkStyles();
if ((severityIcon != null) && !string.IsNullOrWhiteSpace(id) && !string.IsNullOrWhiteSpace(title))
{
HeaderStackPanel.Visibility = Visibility.Visible;
SeverityIconBorder.Child = severityIcon;
// Set the initial title text to three lines worth so that we can measure the pixel height
// that WPF requires to render three lines of text under the current font and DPI settings.
TitleRun.Text = s_dummyThreeLineTitle;
TitleTextBlock.Measure(availableSize: s_infiniteSize);
_heightForThreeLineTitle = TitleTextBlock.DesiredSize.Height;
// Now set the actual title text.
TitleRun.Text = title;
Uri helpUri;
if (BrowserHelper.TryGetUri(helpLink, out helpUri))
{
InitializeDiagnosticIdHyperLink(id, helpUri, bingLink: false);
}
else
{
InitializeDiagnosticIdHyperLink(id, BrowserHelper.CreateBingQueryUri(id, helpMessage), bingLink: true);
}
if (!string.IsNullOrWhiteSpace(description))
{
DescriptionParagraph.Inlines.Add(description);
}
}
FrameworkElement previewElement = null;
if (previewContent is IWpfDifferenceViewer)
{
_previewDiffViewer = previewContent as IWpfDifferenceViewer;
previewElement = _previewDiffViewer.VisualElement;
PreviewDockPanel.Background = _previewDiffViewer.InlineView.Background;
}
else if (previewContent is string)
{
previewElement = GetPreviewForString(previewContent as string);
}
else if (previewContent is FrameworkElement)
{
previewElement = previewContent as FrameworkElement;
}
else
{
// previewContent is either null or some type that we don't know how to display.
previewElement = GetEmptyPreview();
}
PreviewScrollViewer.Content = previewElement;
previewElement.VerticalAlignment = VerticalAlignment.Top;
previewElement.HorizontalAlignment = HorizontalAlignment.Left;
// 1. Width of the header section should not exceed the width of the preview content.
// In other words, the text we put in the header at the top of the preview pane
// should not cause the preview pane itself to grow wider than the width required to
// display the preview content at the bottom of the pane.
// 2. Adjust the height of the header section so that it displays only three lines worth
// by default.
AdjustWidthAndHeight(previewElement);
_serviceProvider = serviceProvider;
_errorId = id;
// save permission whether we are allowed to save data as it is or not.
_telemetry = telemetry;
}
