/// <summary>
/// Called before the view and its children has been loaded.
/// </summary>
protected override void BeforeLoad()
{
base.BeforeLoad();
// generate expander content and header
if (ContentTemplates == null)
{
return;
}
foreach (var contentTemplate in ContentTemplates)
{
if (typeof(ExpanderContent).IsAssignableFrom(contentTemplate.TemplateType))
{
var templateData = new ContentTemplateData();
_expanderContent = contentTemplate.Activator(templateData) as ExpanderContent;
}
else if (typeof(ExpanderHeader).IsAssignableFrom(contentTemplate.TemplateType))
{
var templateData = new ContentTemplateData();
_expanderHeader = contentTemplate.Activator(templateData) as ExpanderHeader;
}
}
if (_expanderHeader == null)
{
_expanderHeader = new DefaultExpanderHeader(this);
}
_expanderHeader.Alignment = HeaderAlignment;
if (HeaderHeight != null)
{
_expanderHeader.Height = HeaderHeight;
}
_expanderHeader.ParentExpander = this;
_expanderHeader.Text = Text;
_expanderHeader.Sprite = Sprite;
if (_expanderContent != null)
{
_expanderContent.Margin = ContentMargin;
}
}