private void EditFiniteAnnotationValue(TimeIntervalAnnotationDisplayData displayData, int trackId)
{
// Get the schema definition
AnnotationSchemaDefinition schemaDefinition = displayData.Definition.SchemaDefinitions[trackId];
// Get the collection of possible values
Type schemaType = schemaDefinition.Schema.GetType();
MethodInfo valuesProperty = schemaType.GetProperty("Values").GetGetMethod();
IEnumerable values = (IEnumerable)valuesProperty.Invoke(schemaDefinition.Schema, new object[] { });
// Create a new context menu
ContextMenu contextMenu = new ContextMenu();
// Create a menuitem for each value, with a command to update the value on the annotation.
foreach (object value in values)
{
var metadata = this.GetAnnotationValueMetadata(value, schemaDefinition.Schema);
contextMenu.Items.Add(MenuItemHelper.CreateAnnotationMenuItem(
value.ToString(),
metadata.BorderColor,
metadata.FillColor,
new PsiCommand(() => this.StreamVisualizationObject.SetAnnotationValue(displayData.Annotation, schemaDefinition.Name, value))));
}
// Add a handler so that the timeline visualization panel continues to receive mouse move messages
// while the context menu is displayed, and remove the handler once the context menu closes.
MouseEventHandler mouseMoveHandler = new MouseEventHandler(this.FindTimelineVisualizationPanelView().ContextMenuMouseMove);
contextMenu.AddHandler(MouseMoveEvent, mouseMoveHandler, true);
contextMenu.Closed += (sender, e) => contextMenu.RemoveHandler(MouseMoveEvent, mouseMoveHandler);
// Show the context menu
contextMenu.IsOpen = true;
}
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="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);
}
}
public UnrestrictedAnnotationValueContext(TimeIntervalAnnotationDisplayData displayData, string valueName)
{
this.DisplayData = displayData;
this.ValueName = valueName;
}
/// <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 (var attributeSchema in annotationDisplayData.AnnotationSchema.AttributeSchemas)
{
var 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));
var pathGeometry = new PathGeometry()
{
Transform = this.parent.TransformGroup
};
pathGeometry.Figures.Add(annotationElementFigure);
var path = new Path()
{
Data = pathGeometry
};
this.figures.Add(path);
var labelGrid = new Grid
{
RenderTransform = new TranslateTransform(),
IsHitTestVisible = false,
};
var 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);
// Set the colors etc
var annotationValue = annotationDisplayData.Annotation.AttributeValues[attributeSchema.Name];
path.Fill = this.parent.GetBrush(annotationValue.FillColor);
textBlock.Foreground = this.parent.GetBrush(annotationValue.TextColor);
}
var borderElementFigure = new PathFigure()
{
StartPoint = new Point(0, 0),
IsClosed = true,
IsFilled = true,
};
borderElementFigure.Segments.Add(new LineSegment(new Point(0, 0), true));
borderElementFigure.Segments.Add(new LineSegment(new Point(0, 0), true));
borderElementFigure.Segments.Add(new LineSegment(new Point(0, 0), true));
var borderPathGeometry = new PathGeometry()
{
Transform = this.parent.TransformGroup
};
borderPathGeometry.Figures.Add(borderElementFigure);
this.borderPath = new Path()
{
Data = borderPathGeometry,
Stroke = new SolidColorBrush(Colors.Gray),
StrokeThickness = 2,
};
// Insert the figure and labels in the parent canvas, but at the beginning, starting
// from index 1. At index 0 we have the track highlight child. Inserting from index
// 1 ensures that the track label items remain towards the tail of the list of canvas
// children, making sure they stay on top in z-order.
int index = 2;
foreach (var figure in this.figures)
{
this.parent.Canvas.Children.Insert(index++, figure);
}
foreach (var label in this.labels)
{
this.parent.Canvas.Children.Insert(index++, label);
}
this.parent.Canvas.Children.Insert(index++, this.borderPath);
}
