private void SelectDisplayObject(TimeIntervalAnnotation annotation) { TimeIntervalAnnotationDisplayData displayObject = this.DisplayData.FirstOrDefault(d => d.Annotation.Data.Interval.Right == annotation?.Interval.Right); if (displayObject != this.selectedDisplayObject) { if (this.selectedDisplayObject != null) { this.selectedDisplayObject.IsSelected = false; VisualizationContext.Instance.DisplayObjectProperties(null); } if (displayObject != null) { displayObject.IsSelected = true; VisualizationContext.Instance.DisplayObjectProperties(displayObject); } else { VisualizationContext.Instance.DisplayObjectProperties(this); } this.selectedDisplayObject = displayObject; } }
/// <summary> /// Initializes a new instance of the <see cref="AnnotationPropertyDescriptor"/> class. /// </summary> /// <param name="annotationDisplayData">The display data for the annotation that contains the property for this property descriptor.</param> /// <param name="propertyName">The name of the property in the annotation represented by this property descriptor.</param> /// <param name="isReadOnly">Specifies whether the property may be edited.</param> /// <param name="propertyType">The type of the property in this property descriptor.</param> /// <param name="propertyAttributes">A collection of attributes that apply to this property descriptor.</param> public AnnotationPropertyDescriptor(TimeIntervalAnnotationDisplayData annotationDisplayData, string propertyName, bool isReadOnly, Type propertyType, Attribute[] propertyAttributes) : base(propertyName, propertyAttributes) { this.annotationDisplayData = annotationDisplayData; this.isReadOnly = isReadOnly; this.propertyType = propertyType; }
/// <summary> /// Initializes a new instance of the <see cref="TimeIntervalAnnotationEditEventArgs"/> class. /// </summary> /// <param name="displayData">The annotation display object to edit.</param> /// <param name="trackId">The id of the track in the display data to edit.</param> public TimeIntervalAnnotationEditEventArgs(TimeIntervalAnnotationDisplayData displayData, int trackId) { this.DisplayData = displayData; this.TrackId = trackId; }
private void DoMouseLeftButtonDown(MouseButtonEventArgs e) { TimelineVisualizationPanel timelinePanel = this.Panel as TimelineVisualizationPanel; // Get the time at the mouse cursor DateTime cursorTime = timelinePanel.GetTimeAtMousePointer(e, false); Message <TimeIntervalAnnotation> annotation = default; AnnotationEdge annotationEdge = AnnotationEdge.None; // Get the item (if any) that straddles this time int index = this.GetAnnotationIndexByTime(cursorTime); if (index > -1) { // Get the annotation that was hit annotation = this.Data[index]; // Check if the mouse is over an edge of the annotation annotationEdge = this.MouseOverAnnotationEdge(cursorTime, this.Data[index].Data, timelinePanel.GetTimelineScroller(e.Source)); } // If the shift key is down, the user is dropping the start selection marker. If there is no VO currently being snapped // to and the mouse is over an annotation edge, then manually set the selection marker right on the edge. Otherwise // let the event bubble up to the timeline visualization panel which will set the selection marker in the usual fashion. if (Keyboard.IsKeyDown(Key.LeftShift) || Keyboard.IsKeyDown(Key.RightShift)) { if ((VisualizationContext.Instance.VisualizationContainer.SnapToVisualizationObject == null) && (annotationEdge != AnnotationEdge.None)) { DateTime selectionMarkerTime = annotationEdge == AnnotationEdge.Left ? annotation.Data.Interval.Left : annotation.Data.Interval.Right; this.Navigator.SelectionRange.SetRange(selectionMarkerTime, this.Navigator.SelectionRange.EndTime >= selectionMarkerTime ? this.Navigator.SelectionRange.EndTime : DateTime.MaxValue); e.Handled = true; } else { return; } } // If we're over an annotation if (annotation != default) { if (annotationEdge == AnnotationEdge.None) { // We're over an annotation, but not an annotation edge, display the annotation's properties this.SelectDisplayObject(annotation.Data); // Begin annotation edit if it's enabled if (this.EnableAnnotationValueEdit) { // Work out the track number to be edited based on the mouse position TimelineScroller timelineScroller = timelinePanel.GetTimelineScroller(e.Source); Point point = e.GetPosition(timelineScroller); int trackId = (int)(point.Y / timelineScroller.ActualHeight * (double)annotation.Data.Values.Count); // Find the display data object corresponding to the annotation and fire an edit event to the view TimeIntervalAnnotationDisplayData displayObject = this.DisplayData.FirstOrDefault(d => d.Annotation.Data.Interval.Right == annotation.Data.Interval.Right); this.TimeIntervalAnnotationEdit?.Invoke(this, new TimeIntervalAnnotationEditEventArgs(displayObject, trackId)); } } // Check if we're over an edge and annotation drag is enabled. if (annotationEdge != AnnotationEdge.None && this.EnableAnnotationDrag) { // Get the previous and next annotations (if any) and check if they abut the annotation whose edge we're going to drag Message <TimeIntervalAnnotation>?previousAnnotation = index > 0 ? this.Data[index - 1] : (Message <TimeIntervalAnnotation>?)null; bool previousAnnotationAbuts = previousAnnotation != null && previousAnnotation.Value.Data.Interval.Right == annotation.Data.Interval.Left; Message <TimeIntervalAnnotation>?nextAnnotation = index < this.Data.Count - 1 ? this.Data[index + 1] : (Message <TimeIntervalAnnotation>?)null; bool nextAnnotationAbuts = nextAnnotation != null && nextAnnotation.Value.Data.Interval.Left == annotation.Data.Interval.Right; // If the ALT key is down, then we will not try to move the annotation that abuts this one bool moveNeighborAnnotation = !Keyboard.IsKeyDown(Key.LeftAlt) && !Keyboard.IsKeyDown(Key.RightAlt); // Work out the minimum and maximum times we can drag the annotation's edge to DateTime minTime; DateTime maxTime; if (annotationEdge == AnnotationEdge.Left) { maxTime = annotation.Data.Interval.Right; if (previousAnnotation == null) { minTime = this.Navigator.ViewRange.StartTime; } else if (previousAnnotationAbuts && moveNeighborAnnotation) { minTime = previousAnnotation.Value.Data.Interval.Left; } else { minTime = previousAnnotation.Value.Data.Interval.Right; } } else { minTime = annotation.Data.Interval.Left; if (nextAnnotation == null) { maxTime = this.Navigator.ViewRange.EndTime; } else if (nextAnnotationAbuts && moveNeighborAnnotation) { maxTime = nextAnnotation.Value.Data.Interval.Right; } else { maxTime = nextAnnotation.Value.Data.Interval.Left; } } // Create the drag data that specifies which annotation(s) to drag, and the minimum and maximum time we can drag to if (annotationEdge == AnnotationEdge.Right) { this.annotationDragInfo = new TimeIntervalAnnotationDragInfo(annotation, moveNeighborAnnotation && nextAnnotationAbuts ? nextAnnotation : null, minTime, maxTime); } else { this.annotationDragInfo = new TimeIntervalAnnotationDragInfo(moveNeighborAnnotation && previousAnnotationAbuts ? previousAnnotation : null, annotation, minTime, maxTime); } } } else { // We're not over any annotation, cancel any current edit operation in the view and display the VO's properties this.TimeIntervalAnnotationEdit?.Invoke(this, new TimeIntervalAnnotationEditEventArgs(null, 0)); this.SelectDisplayObject(null); } }
/// <summary> /// Initializes a new instance of the <see cref="TimeIntervalAnnotationEditEventArgs"/> class. /// </summary> /// <param name="displayData">The annotation display object to edit.</param> /// <param name="attributeIndex">The index of the attribute to edit.</param> public TimeIntervalAnnotationEditEventArgs(TimeIntervalAnnotationDisplayData displayData, int attributeIndex) { this.DisplayData = displayData; this.AttributeIndex = attributeIndex; }