public static void LayoutCircleDiagramItems(DiagramItem[] items, Size pageSize, double radius)
{
double phase = -Math.PI / 2;
double phaseDelta = 2 * Math.PI / items.Length;
Point center = new Point(pageSize.Width / 2, pageSize.Height / 2);
foreach (var item in items)
{
item.Position = DiagramDemoHelper.GetCircleDiagramItemPosition(radius, phase, center, item.DesiredSize);
phase += phaseDelta;
}
}
void CreateRelationshipDiagram()
{
Dictionary <Employee, DiagramItem> employeeToDiagramItemCache = new Dictionary <Employee, DiagramItem>();
var diagramItems = ViewModel.Employees.Select(employee => {
var item = new DiagramContentItem()
{
CustomStyleId = "employeeStyle", Content = employee, FontSize = 12, CanDelete = false, CanCopy = false
};
employeeToDiagramItemCache[employee] = item;
return(item);
}).ToArray();
var diagramConnectors = ViewModel.Relationships.
Select(employeeRelation => CreateDiagramConnector(employeeToDiagramItemCache[employeeRelation.Item1], employeeToDiagramItemCache[employeeRelation.Item2], employeeRelation.Item3)).ToArray();
Array.ForEach <DiagramItem>(diagramConnectors, item => diagramControl.Items.Add(item));
Array.ForEach <DiagramItem>(diagramItems, item => diagramControl.Items.Add(item));
diagramControl.UpdateLayout();
DiagramDemoHelper.LayoutCircleDiagramItems(diagramItems, diagramControl.PageSize, 300);
diagramControl.SelectItem(diagramItems.First());
}
public static void LoadDemoData(this DiagramControl diagramControl, string dataSourceName)
{
diagramControl.LoadDocument(DiagramDemoHelper.GetDataFilePath(dataSourceName));
}
public static Stream GetDataStream(string fileName)
{
string path = DiagramDemoHelper.GetDataFilePath(fileName);
return(File.OpenRead(path));
}