private void EditUnrestrictedAnnotationValue(TimeIntervalAnnotationDisplayData displayData, int trackId)
{
// Get the schema definition
AnnotationSchemaDefinition schemaDefinition = displayData.Definition.SchemaDefinitions[trackId];
// Get the current value
object value = displayData.Annotation.Data.Values[schemaDefinition.Name];
// Get the associated metadata
AnnotationSchemaValueMetadata schemaMetadata = this.GetAnnotationValueMetadata(value, schemaDefinition.Schema);
// Style the text box to match the schema of the annotation value
this.EditUnrestrictedAnnotationTextBox.Foreground = new SolidColorBrush(ToMediaColor(schemaMetadata.TextColor));
this.EditUnrestrictedAnnotationTextBox.Background = new SolidColorBrush(ToMediaColor(schemaMetadata.FillColor));
this.EditUnrestrictedAnnotationTextBox.BorderBrush = new SolidColorBrush(ToMediaColor(schemaMetadata.BorderColor));
this.EditUnrestrictedAnnotationTextBox.BorderThickness = new Thickness(schemaMetadata.BorderWidth);
// The textbox's tag holds context information to allow us to update the value in the display object when
// the text in the textbox changes. Note that we must set the correct tag before we set the text, otherwise
// setting the text will cause it to be copied to the last annotation that we edited.
this.EditUnrestrictedAnnotationTextBox.Tag = new UnrestrictedAnnotationValueContext(displayData, schemaDefinition.Name);
this.EditUnrestrictedAnnotationTextBox.Text = value.ToString();
// Set the textbox position to exactly cover the annotation value
var navigatorViewDuration = this.Navigator.ViewRange.Duration.TotalSeconds;
var labelStart = Math.Min(navigatorViewDuration, Math.Max((displayData.StartTime - this.Navigator.ViewRange.StartTime).TotalSeconds, 0));
var labelEnd = Math.Max(0, Math.Min((displayData.EndTime - this.Navigator.ViewRange.StartTime).TotalSeconds, navigatorViewDuration));
var verticalSpace = this.StreamVisualizationObject.Padding / this.ScaleTransform.ScaleY;
var lo = (double)(trackId + verticalSpace) / this.StreamVisualizationObject.TrackCount;
var hi = (double)(trackId + 1 - verticalSpace) / this.StreamVisualizationObject.TrackCount;
this.EditUnrestrictedAnnotationTextBox.Width = (labelEnd - labelStart) * this.Canvas.ActualWidth / this.Navigator.ViewRange.Duration.TotalSeconds;
this.EditUnrestrictedAnnotationTextBox.Height = (hi - lo) * this.Canvas.ActualHeight;
(this.EditUnrestrictedAnnotationTextBox.RenderTransform as TranslateTransform).X = labelStart * this.Canvas.ActualWidth / this.Navigator.ViewRange.Duration.TotalSeconds;
(this.EditUnrestrictedAnnotationTextBox.RenderTransform as TranslateTransform).Y = lo * this.Canvas.ActualHeight;
// Initially select the entire text of the textbox, then show the textbox and set keyboard focus to it.
this.EditUnrestrictedAnnotationTextBox.SelectAll();
this.EditUnrestrictedAnnotationTextBox.Visibility = Visibility.Visible;
this.EditUnrestrictedAnnotationTextBox.Focus();
}
/// <summary>
/// Initializes a new instance of the <see cref="FiniteAnnotationSchemaValue{T}"/> class.
/// </summary>
/// <param name="value">The value of the schema value.</param>
/// <param name="metadata">The metadata for the value, or null if the schema's metadata should be used.</param>
public FiniteAnnotationSchemaValue(T value, AnnotationSchemaValueMetadata metadata = null)
{
this.Value = value;
this.Metadata = metadata;
}
/// <summary>
/// Initializes a new instance of the <see cref="TimeIntervalAnnotationVisualizationObjectViewItem"/> class.
/// </summary>
/// <param name="parent">The parent view.</param>
/// <param name="annotationDisplayData">The data for all annotations in this view item.</param>
internal TimeIntervalAnnotationVisualizationObjectViewItem(TimeIntervalAnnotationVisualizationObjectView parent, TimeIntervalAnnotationDisplayData annotationDisplayData)
{
this.parent = parent;
this.annotationDisplayData = annotationDisplayData;
annotationDisplayData.PropertyChanged += this.AnnotationDisplayData_PropertyChanged;
this.figures = new List <Path>();
this.labels = new List <Grid>();
foreach (AnnotationSchemaDefinition schemaDefinition in annotationDisplayData.Definition.SchemaDefinitions)
{
PathFigure annotationElementFigure = new PathFigure()
{
StartPoint = new Point(0, 0),
IsClosed = true,
IsFilled = true,
};
annotationElementFigure.Segments.Add(new LineSegment(new Point(0, 0), true));
annotationElementFigure.Segments.Add(new LineSegment(new Point(0, 0), true));
annotationElementFigure.Segments.Add(new LineSegment(new Point(0, 0), true));
PathGeometry pathGeometry = new PathGeometry()
{
Transform = this.parent.TransformGroup
};
pathGeometry.Figures.Add(annotationElementFigure);
Path path = new Path()
{
Data = pathGeometry
};
this.figures.Add(path);
Grid labelGrid = new Grid
{
RenderTransform = new TranslateTransform(),
IsHitTestVisible = false,
};
TextBlock textBlock = new TextBlock()
{
VerticalAlignment = VerticalAlignment.Center,
HorizontalAlignment = HorizontalAlignment.Center,
TextWrapping = TextWrapping.Wrap,
Margin = new Thickness(3),
IsHitTestVisible = false,
};
labelGrid.Children.Add(textBlock);
this.labels.Add(labelGrid);
// Get the current value
object value = annotationDisplayData.Annotation.Data.Values[schemaDefinition.Name];
// Get the metadata associtaed with the value
AnnotationSchemaValueMetadata schemaMetadata = this.GetAnnotationValueMetadata(value, schemaDefinition.Schema);
// Set the colors etc
path.Stroke = this.parent.GetBrush(schemaMetadata.BorderColor);
path.StrokeThickness = schemaMetadata.BorderWidth;
path.Fill = this.parent.GetBrush(schemaMetadata.FillColor);
textBlock.Foreground = this.parent.GetBrush(schemaMetadata.TextColor);
}
foreach (Path figure in this.figures)
{
this.parent.Canvas.Children.Add(figure);
}
foreach (Grid label in this.labels)
{
this.parent.Canvas.Children.Add(label);
}
}
