// This method adjusts the width of the header section to match that of the preview content
// thereby ensuring that the preview pane itself is never wider than the preview content.
// This method also adjusts the height of the header section so that it displays only three lines
// worth by default.
private void AdjustWidthAndHeight(FrameworkElement previewElement)
{
PreviewDockPanel.Measure(availableSize: new Size(previewElement.Width, double.PositiveInfinity));
var width = PreviewDockPanel.DesiredSize.Width;
if (IsNormal(width))
{
HeaderStackPanel.Width = width;
TitleTextBlock.Measure(availableSize: new Size(width, double.PositiveInfinity));
var height = TitleTextBlock.DesiredSize.Height;
// If the pixel height required to render the complete title in the
// TextBlock is larger than that required to render three lines worth,
// then trim the contents of the TextBlock with an ellipsis at the end and
// display the expander button that will allow users to view the full text.
if ((IsNormal(height) && (height > _heightForThreeLineTitle)) || HasDescription)
{
TitleTextBlock.MaxHeight = _heightForThreeLineTitle;
TitleTextBlock.TextTrimming = TextTrimming.CharacterEllipsis;
ExpanderToggleButton.Visibility = Visibility.Visible;
if (_isExpanded)
{
ExpanderToggleButton.IsChecked = true;
}
}
}
}
public PreviewPane(Image severityIcon, string id, string title, string description, Uri helpLink, string helpLinkToolTipText,
object previewContent, bool logIdVerbatimInTelemetry)
{
InitializeComponent();
_id = id;
_logIdVerbatimInTelemetry = logIdVerbatimInTelemetry;
// Initialize header portion.
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;
InitializeHyperlinks(helpLink, helpLinkToolTipText);
if (!string.IsNullOrWhiteSpace(description))
{
DescriptionParagraph.Inlines.Add(description);
}
}
// Initialize preview (i.e. diff view) portion.
InitializePreviewElement(previewContent);
}
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);
}
}
InitializePreviewElement(previewContent);
_serviceProvider = serviceProvider;
_errorId = id;
// save permission whether we are allowed to save data as it is or not.
_telemetry = telemetry;
}
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;
}