private static string EditAnnotationText(AnnotationData annotation)
{
var inputBox = new AnnotationInputBox { InputText = annotation.Text };
inputBox.ShowDialog();
if (string.IsNullOrWhiteSpace(inputBox.InputText))
{
return null;
}
return inputBox.InputText;
}
/// <summary>
/// Loads the diagram data from file after the subject has already been set by <see cref="AssignDiagramData"/>.
/// At this stage the diagram has already been loaded and is displayed on screen.
/// This method ensures all diagram elements have been positioned where the file specifies their co-ordinates.
/// Also will provide feedback on any mismatches, ie the type has changed and there are more or less associations.
/// </summary>
/// <param name="deserializedDataFile">The deserialised data file.</param>
public void LoadDiagramDataFromFile(object deserializedDataFile)
{
var data = deserializedDataFile as TypeVisualiserLayoutFile;
if (data == null)
{
throw new InvalidOperationException("Code Error: Attempt to load data from a type which is not an instance of Type Visualiser Layout File.");
}
var typesNoLongerInDiagram = new List<VisualisableTypeData>();
foreach (TypeLayoutData layoutData in data.CanvasLayout.Types)
{
// Deal with annotations first - these have not been loaded by setting the subject.
if (layoutData.ContentType == typeof(AnnotationData).FullName)
{
var annotation = new AnnotationData { Id = layoutData.Id, Text = layoutData.Data, };
var annotationElement = new DiagramElement(DiagramId, annotation) { Show = layoutData.Visible, TopLeft = layoutData.TopLeft };
DiagramElements.Add(annotationElement);
continue;
}
DiagramElement element = DiagramElements.FirstOrDefault(x => x.DiagramContent.Id == layoutData.Id);
if (element == null)
{
VisualisableTypeData type = FindTypeInFile(data, layoutData.Id);
if (type == null)
{
throw new InvalidOperationException("Code error: there is a layout data element without a matching association. " + layoutData.Id);
}
typesNoLongerInDiagram.Add(type);
continue;
}
element.TopLeft = layoutData.TopLeft;
element.Show = layoutData.Visible;
}
RaiseExpandCanvasRequested();
if (typesNoLongerInDiagram.Any())
{
UserPrompt.Show(Resources.ViewportController_Error_in_diagram_file,
Resources.ViewportController_Some_types_are_not_in_assembly_anymore + string.Join(", ", typesNoLongerInDiagram.Select(x => x.Name)));
}
}
public DiagramElement DeleteAnnotation(AnnotationData annotation)
{
DiagramElement found = DiagramElements.FirstOrDefault(x => x.DiagramContent is AnnotationData && ((AnnotationData)x.DiagramContent).Id == annotation.Id);
if (found != null)
{
DiagramElements.Remove(found);
return found;
}
return null;
}
public void EditAnnotation(AnnotationData annotation)
{
if (annotation == null)
{
throw new ArgumentNullResourceException("annotation", Resources.General_Given_Parameter_Cannot_Be_Null);
}
annotation.Text = EditAnnotationText(annotation);
if (string.IsNullOrWhiteSpace(annotation.Text))
{
DeleteAnnotation(annotation);
}
}
public void AddAnnotation(Point where, AnnotationData annotation = null)
{
if (where == default(Point))
{
return;
}
if (annotation == null)
{
annotation = new AnnotationData();
}
annotation.Text = EditAnnotationText(annotation);
if (string.IsNullOrWhiteSpace(annotation.Text))
{
return;
}
var diagramElement = new DiagramElement(DiagramId, annotation) { TopLeft = where };
DiagramElements.Add(diagramElement);
}
