/// <summary>
/// Create <see cref="MenuItem"/> representing given edit
/// </summary>
/// <param name="edit">Represented edit</param>
/// <param name="context">Context of edit</param>
/// <returns>Created <see cref="MenuItem"/></returns>
private static MenuItem createEditItem(EditDefinition edit, DiagramContext context)
{
var item = new MenuItem();
item.Header = edit.Name;
item.Click += (e, s) => edit.Commit(context.Diagram.InitialView);
return(item);
}
/// <summary>
/// Initializes a new instance of the <see cref="DiagramItem" /> class.
/// </summary>
/// <param name="definition">The definition.</param>
/// <param name="parentItem">The parent item.</param>
/// <param name="slot">The slot.</param>
internal DiagramItem(DiagramItemDefinition definition, DiagramItem parentItem, SlotCanvas slot)
{
ContainingDiagramCanvas = slot;
Definition = definition;
ParentItem = parentItem;
ParentItem._children.Add(this);
DiagramContext = parentItem.DiagramContext;
initialize();
}
/// <summary>
/// Create context menu according to edits and commands in given definition
/// </summary>
/// <param name="diagramDefinition">Definitin of diagram</param>
/// <param name="context">Context available for diagram definition</param>
/// <returns>Created context menu</returns>
private ContextMenu createContextMenu(DiagramDefinition diagramDefinition, DiagramContext context)
{
var menu = new ContextMenu();
//add edit entries
foreach (var edit in diagramDefinition.Edits)
{
if (!edit.IsActive(diagramDefinition.InitialView))
{
continue;
}
var item = createEditItem(edit, context);
menu.Items.Add(item);
}
foreach (var menuProvider in diagramDefinition.MenuProviders)
{
var item = new MenuItem();
item.Header = menuProvider.Key;
item.Tag = menuProvider.Value;
menu.Items.Add(item);
}
//add command entries
foreach (var command in diagramDefinition.Commands)
{
var item = new MenuItem();
item.Header = command.Name;
item.Click += (e, s) => command.Command();
menu.Items.Add(item);
}
return(menu);
}
/// <summary>
/// Sets the context of diagram.
/// </summary>
/// <param name="context">The context.</param>
internal void SetContext(DiagramContext context)
{
DiagramContext = context;
}
/// <summary> /// Creates the join according to given definition. /// </summary> /// <param name="definition">The definition of join.</param> /// <param name="context">The context of <see cref="DiagramDefinition"/> where join will be displayed.</param> /// <returns>Join drawing.</returns> public abstract JoinDrawing CreateJoin(JoinDefinition definition, DiagramContext context);