private void drag_area_tracker_OnDragComplete(bool button_left_pressed, bool button_right_pressed, Point mouse_down_point, Point mouse_up_point)
{
FeatureTrackingManager.Instance.UseFeature(Features.Document_AddAnnotation);
int MINIMUM_DRAG_SIZE_TO_CREATE_ANNOTATION = 20;
if (Math.Abs(mouse_up_point.X - mouse_down_point.X) < MINIMUM_DRAG_SIZE_TO_CREATE_ANNOTATION ||
Math.Abs(mouse_up_point.Y - mouse_down_point.Y) < MINIMUM_DRAG_SIZE_TO_CREATE_ANNOTATION)
{
Logging.Info("Drag area too small to create annotation");
return;
}
PDFAnnotation pdf_annotation = new PDFAnnotation(pdf_renderer_control_stats.pdf_document.PDFRenderer.DocumentFingerprint, page, PDFAnnotationEditorControl.LastAnnotationColor, ConfigurationManager.Instance.ConfigurationRecord.Account_Nickname);
pdf_annotation.Left = Math.Min(mouse_up_point.X, mouse_down_point.X) / ActualWidth;
pdf_annotation.Top = Math.Min(mouse_up_point.Y, mouse_down_point.Y) / ActualHeight;
pdf_annotation.Width = Math.Abs(mouse_up_point.X - mouse_down_point.X) / ActualWidth;
pdf_annotation.Height = Math.Abs(mouse_up_point.Y - mouse_down_point.Y) / ActualHeight;
pdf_renderer_control_stats.pdf_document.GetAnnotations().AddUpdatedAnnotation(pdf_annotation);
PDFAnnotationItem pdf_annotation_item = new PDFAnnotationItem(this, pdf_annotation, pdf_renderer_control_stats);
pdf_annotation_item.ResizeToPage(ActualWidth, ActualHeight);
Children.Add(pdf_annotation_item);
}
public PDFAnnotationLayer(PDFDocument pdf_document, int page)
{
WPFDoEvents.AssertThisCodeIsRunningInTheUIThread();
this.pdf_document = pdf_document;
this.page = page;
InitializeComponent();
// Wizard
if (1 == page)
{
WizardDPs.SetPointOfInterest(this, "PDFReadingAnnotationLayer");
}
Background = Brushes.Transparent;
Cursor = Cursors.Cross;
SizeChanged += PDFAnnotationLayer_SizeChanged;
drag_area_tracker = new DragAreaTracker(this);
drag_area_tracker.OnDragComplete += drag_area_tracker_OnDragComplete;
// Add all the already existing annotations
foreach (PDFAnnotation pdf_annotation in pdf_document.GetAnnotations())
{
if (pdf_annotation.Page == this.page)
{
if (!pdf_annotation.Deleted)
{
Logging.Info("Loading annotation on page {0}", page);
PDFAnnotationItem pdf_annotation_item = new PDFAnnotationItem(this, pdf_annotation);
pdf_annotation_item.ResizeToPage(ActualWidth, ActualHeight);
Children.Add(pdf_annotation_item);
}
else
{
Logging.Info("Not loading deleted annotation on page {0}", page);
}
}
}
//Unloaded += PDFAnnotationLayer_Unloaded;
Dispatcher.ShutdownStarted += Dispatcher_ShutdownStarted;
}
public PDFAnnotationLayer(PDFRendererControlStats pdf_renderer_control_stats, int page)
{
this.pdf_renderer_control_stats = pdf_renderer_control_stats;
this.page = page;
InitializeComponent();
// Wizard
if (1 == page)
{
WizardDPs.SetPointOfInterest(this, "PDFReadingAnnotationLayer");
}
Background = Brushes.Transparent;
Cursor = Cursors.Cross;
SizeChanged += PDFAnnotationLayer_SizeChanged;
drag_area_tracker = new DragAreaTracker(this);
drag_area_tracker.OnDragComplete += drag_area_tracker_OnDragComplete;
// Add all the already existing annotations
foreach (PDFAnnotation pdf_annotation in pdf_renderer_control_stats.pdf_document.GetAnnotations())
{
if (pdf_annotation.Page == this.page)
{
if (!pdf_annotation.Deleted)
{
Logging.Info("Loading annotation on page {0}", page);
PDFAnnotationItem pdf_annotation_item = new PDFAnnotationItem(this, pdf_annotation, pdf_renderer_control_stats);
pdf_annotation_item.ResizeToPage(ActualWidth, ActualHeight);
Children.Add(pdf_annotation_item);
}
else
{
Logging.Info("Not loading deleted annotation on page {0}", page);
}
}
}
}
internal void DeletePDFAnnotationItem(PDFAnnotationItem pdf_annotation_item)
{
Children.Remove(pdf_annotation_item);
}
