/// <summary>
/// Adds a control to the controls collection and sets references.
/// Initializes any container pointers as well.
/// Override for specialized handling.
/// </summary>
/// <param name="control"></param>
/// <returns></returns>
virtual public BaseGadgetControl AddControl(BaseGadgetControl control)
{
if (null == control)
{
return(null);
//also log here
}
control.MyRootMaster = this.MyRootMaster;
control.MyTemplate = this.MyTemplate;
control.Parent = this;
if (control.ViewMask <= 0)
{
control.ViewMask = this.ViewMask;
}
Controls.Add(control);
if (MyRootMaster != null &&
control is DataPipeline.IExternalDataSource &&
((DataPipeline.IExternalDataSource)control).ResolveLocation == DataPipeline.ResolveAt.Server)
{
MyRootMaster.RegisterExternalServerRenderControl((DataPipeline.IExternalDataSource)control, control.ViewMask);
}
return(control);
}
/// <summary>
/// Return count control plus all child controls and their children
/// by recursively traversing the tree.
/// </summary>
/// <param name="control"></param>
/// <returns></returns>
private int RecurseCountControls(BaseGadgetControl control)
{
if (control is BaseContainerControl)
{
BaseContainerControl container = (BaseContainerControl)control;
if (container.Controls.Count == 0)
{
return(1);
}
else
{
int total = 1; //count self
foreach (BaseGadgetControl child in container.Controls)
{
total += RecurseCountControls(child);
}
return(total);
}
}
else
{
return(1);
}
}
/// <summary>
/// Recursively register all VariableTag controls for easy reference
/// </summary>
/// <param name="currentControl"></param>
protected void BuildVariableTagsList(BaseGadgetControl currentControl)
{
if (null == currentControl)
{
return;
}
if (currentControl is VariableTag)
{
VariableTags.Add((VariableTag)currentControl);
}
else if (currentControl is BaseContainerControl)
{
foreach (BaseGadgetControl child in ((BaseContainerControl)currentControl).Controls)
{
BuildVariableTagsList(child);
}
}
}