public IEditableUIControl ContainerForControl(Type controlType, PointF mousePos)
{
// this will return the deepest level control that can own controlType as a parent.
// Example: contrlType == Paragraph, it's going to return the deepest level Stack Panel or Canvas found.
foreach (IUIControl control in ChildControls)
{
IEditableUIControl editableControl = control as IEditableUIControl;
if (editableControl != null)
{
IEditableUIControl targetControl = editableControl.ContainerForControl(controlType, mousePos);
if (targetControl != null)
{
return(targetControl);
}
}
}
return(null);
}
public void HandleCreateControl(Type controlType, PointF mousePos)
{
do
{
// first, if we're creating a header, we need to make sure there isn't already one
if (typeof(EditableHeader) == controlType)
{
List <IUIControl> headerControls = new List <IUIControl>( );
GetControlOfType <EditableHeader>(headerControls);
// we found a header, so we're done.
if (headerControls.Count > 0)
{
break;
}
}
// now see if any child wants to create it
IUIControl newControl = null;
foreach (IUIControl control in ChildControls)
{
IEditableUIControl editableControl = control as IEditableUIControl;
if (editableControl != null)
{
IEditableUIControl containerControl = editableControl.ContainerForControl(controlType, mousePos);
if (containerControl != null)
{
newControl = containerControl.HandleCreateControl(controlType, mousePos);
break;
}
}
}
// if a child handled it, we're done
if (newControl != null)
{
break;
}
// it wasn't a header, and a child didn't create it, so we will.
float availableWidth = Frame.Width - Padding.Right - Padding.Left;
// if the control type is a header, we want to force it to position 0
float workingWidth = availableWidth;
if (typeof(EditableHeader) == controlType)
{
mousePos = PointF.Empty;
// and if its allowed, use the full width
if (mStyle.mFullWidthHeader == true)
{
workingWidth = Frame.Width;
}
}
newControl = Parser.CreateEditableControl(controlType, new BaseControl.CreateParams(this, workingWidth, DeviceHeight, ref mStyle));
ChildControls.Add(newControl);
// add it to our renderable canvas
newControl.AddToView(MasterView);
// default it to where the click occurred
newControl.AddOffset((float)mousePos.X, (float)mousePos.Y);
// if the newly created control is the lower than all others, update the note height.
// This lets us continue to build vertically
if (newControl.GetFrame( ).Bottom > Frame.Height)
{
Frame = new RectangleF(Frame.Left, Frame.Top, Frame.Width, newControl.GetFrame( ).Bottom + Padding.Bottom);
}
}while(0 != 0);
}