private static DesignerItem createTriggerItem()
{
var item = new DesignerItem();
item.Type = ItemType.Trigger;
item.Width = 250;
item.Height = 250;
var control = new DesignerControl();
control.Titel = "New Trigger";
control.ContentGrid.Content = new TriggerControl();
item.Content = control;
return item;
}
private static DesignerItem createCommandItem()
{
var item = new DesignerItem();
item.Type = ItemType.Command;
item.Width = 250;
item.Height = 65;
var control = new DesignerControl();
control.Titel = "New Command";
control.ContentGrid.Content = new CommandControl();
item.Content = control;
return item;
}
void thumbDragThumb_DragStarted(object sender, DragStartedEventArgs e)
{
this.HitDesignerItem = null;
this.HitConnector = null;
this.pathGeometry = null;
this.Cursor = Cursors.Cross;
this.connection.StrokeDashArray = new DoubleCollection(new double[] { 1, 2 });
if (sender == sourceDragThumb)
{
fixConnector = connection.Sink;
dragConnector = connection.Source;
}
else if (sender == sinkDragThumb)
{
dragConnector = connection.Sink;
fixConnector = connection.Source;
}
}
private void HitTesting(Point hitPoint)
{
bool hitConnectorFlag = false;
DependencyObject hitObject = designerCanvas.InputHitTest(hitPoint) as DependencyObject;
while (hitObject != null &&
hitObject != sourceConnector.ParentDesignerItem &&
hitObject.GetType() != typeof(DesignerCanvas))
{
if (hitObject is Connector)
{
HitConnector = hitObject as Connector;
hitConnectorFlag = true;
}
if (hitObject is DesignerItem)
{
HitDesignerItem = hitObject as DesignerItem;
if (!hitConnectorFlag)
HitConnector = null;
return;
}
hitObject = VisualTreeHelper.GetParent(hitObject);
}
HitConnector = null;
HitDesignerItem = null;
}
void thumbDragThumb_DragCompleted(object sender, DragCompletedEventArgs e)
{
if (HitConnector != null)
{
if (connection != null)
{
if (connection.Source == fixConnector)
connection.Sink = this.HitConnector;
else
connection.Source = this.HitConnector;
}
}
this.HitDesignerItem = null;
this.HitConnector = null;
this.pathGeometry = null;
this.connection.StrokeDashArray = null;
this.InvalidateVisual();
}