internal static void LoadComponent(FrameworkElement control, Element node, bool isDesignMode = false, Action <int, FrameworkElement> ElementCreatedAtLine = null, string xml = null)
{
var builder = new UIBuilder
{
_rootNode = node,
DataContext = control,
Caller = control,
_isDesignMode = isDesignMode,
XmlString = xml
};
if (ElementCreatedAtLine != null)
{
builder.ElementCreatedAtLine += ElementCreatedAtLine;
}
var subControl = builder.BuildNode(builder._rootNode, control);
var subControlAsFrameworkElement = subControl as FrameworkElement;
if (subControlAsFrameworkElement == null)
{
throw new InvalidOperationException("ControlFirstItemMustBeHTMLElement");
}
InitDOM(control);
control.AddLogicalChild(subControlAsFrameworkElement);
}
protected virtual FrameworkElement CreateItemRendererControlForStringContent(string content)
{
var textBlock = UIBuilder.Create <TextBlock>();
textBlock.InnerHTML = content;
return(textBlock);
}
internal void ApplyTemplate()
{
var template = Template ?? DefaultTemplate;
if (template == null)
{
return;
}
UIBuilder.BuildControlTemplate(template, this);
}
protected virtual void Render()
{
if (ItemsSource == null)
{
return;
}
var records = ItemsSource as IEnumerable;
if (records == null)
{
throw ItemSourceMustbe_Enumerable();
}
ClearItems();
var itemTemplate = ItemTemplate;
foreach (var itemData in records)
{
FrameworkElement item = null;
if (itemTemplate != null)
{
var fe = new FrameworkElement
{
DataContext = itemData
};
UIBuilder.LoadComponent(fe, ItemTemplate.Root);
item = fe.GetLogicalChildAt(0);
}
else
{
item = CreateItemRendererControlForStringContent(itemData?.ToString());
}
var data = itemData;
item.On("click", () => { ItemClicked?.Invoke(data); });
ConnectItem(item);
}
AfterRenderCompleted?.Invoke();
}
internal static void BuildControlTemplate(Template xmlTemplate, FrameworkElement control)
{
var builder = new UIBuilder
{
_rootNode = xmlTemplate.Root,
DataContext = control,
Caller = control,
_isBuildingTemplate = true
};
var subControl = builder.BuildNode(builder._rootNode, control);
var subControlAsFrameworkElement = subControl as FrameworkElement;
if (subControlAsFrameworkElement == null)
{
throw new InvalidOperationException("TemplateControlFirstItemMustBeHTMLElement");
}
control._root = subControlAsFrameworkElement._root;
control.AddVisualChild(subControlAsFrameworkElement);
}