private void treeView1_DragDrop(object sender, DragEventArgs e)
{
object typeGuid = e.Data.GetData(typeof(Guid));
if (typeGuid == null)
{
return;
}
var filterType = FiltersHelper.GetFilterType((Guid)typeGuid);
var filter = (IFilter)filterType.Assembly.CreateInstance(filterType.FullName);
graphControl1.AddFilter(filter);
}
private static IFilter GetFilter(XElement filterNode)
{
// ReSharper disable PossibleNullReferenceException
var typeGuid = new Guid(filterNode.Attribute(GraphFileFormat.Ver_0_1.Node_Filter_TypeGuid).Value);
var filterType = FiltersHelper.GetFilterType(typeGuid);
var filter = (IFilter)filterType.Assembly.CreateInstance(filterType.FullName);
Debug.Assert(filter != null);
filter.NodeGuid = new Guid(filterNode.Attribute(GraphFileFormat.Ver_0_1.Node_Filter_NodeGuid).Value);
XAttribute nameAttribute = filterNode.Attribute(GraphFileFormat.Ver_0_1.Node_Filter_Name);
if (nameAttribute != null)
{
filter.Name = nameAttribute.Value;
}
var filterPropertyNodes = filterNode.Elements(GraphFileFormat.Ver_0_1.Node_FilterProperty);
foreach (XElement element in filterPropertyNodes)
{
var propertyName = element.Attribute(GraphFileFormat.Ver_0_1.Node_FilterProperty_Name).Value;
var propertyValueAttribute = element.Attribute(GraphFileFormat.Ver_0_1.Node_FilterProperty_Value);
var propertyValue = propertyValueAttribute != null ? propertyValueAttribute.Value : null;
var filterProperty = filter.Properties[propertyName];
switch (filterProperty.Type)
{
case FilterPropertyType.String:
case FilterPropertyType.Enum:
filterProperty.Value = propertyValue;
break;
case FilterPropertyType.Integer:
filterProperty.Value = int.Parse(propertyValue, GraphFileFormat.Ver_0_1.NumberStyles);
break;
case FilterPropertyType.Float:
filterProperty.Value = float.Parse(propertyValue, GraphFileFormat.Ver_0_1.NumberStyles);
break;
case FilterPropertyType.Size:
var sizeParts = propertyValue.Split(',');
var width = int.Parse(sizeParts[0], GraphFileFormat.Ver_0_1.NumberStyles);
var height = int.Parse(sizeParts[1], GraphFileFormat.Ver_0_1.NumberStyles);
filterProperty.Value = new Size(width, height);
break;
case FilterPropertyType.Point:
var pointParts = propertyValue.Split(',');
var x = int.Parse(pointParts[0], GraphFileFormat.Ver_0_1.NumberStyles);
var y = int.Parse(pointParts[1], GraphFileFormat.Ver_0_1.NumberStyles);
filterProperty.Value = new Point(x, y);
break;
default:
throw new ArgumentOutOfRangeException();
}
}
return(filter);
// ReSharper restore PossibleNullReferenceException
}
