/// <summary>
/// Generates views from data in collection.
/// </summary>
protected void CreateStaticTabItems()
{
if (ContentTemplates == null)
{
return;
}
foreach (var contentTemplate in ContentTemplates)
{
if (!typeof(Tab).IsAssignableFrom(contentTemplate.TemplateType))
{
continue;
}
var templateData = new ContentTemplateData();
var tab = contentTemplate.Activator(templateData) as Tab;
tab.IsDynamic = false; // because we don't want it destroyed when the view-switcher unloads it
if (TabSwitchMode == SwitchMode.Enable)
{
tab.IsActive = false;
tab.Load();
}
var tabHeader = CreateTabHeader(tab);
}
SelectedTabIndexChanged();
}
/// <summary>
/// Creates new item in collection.
/// </summary>
protected virtual View CreateItem(BindableObject item, Type templateType = null, string templateId = null)
{
var template = GetContentTemplate(templateType, templateId);
var activator = template?.Activator;
if (activator == null)
{
return(null);
}
var templateData = new ContentTemplateData {
Item = item
};
var itemView = activator(templateData);
return(itemView);
}
/// <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;
}
}
/// <summary>
/// Sets content template data.
/// </summary>
public override void SetContentTemplateData(ContentTemplateData contentTemplateData)
{
ContentTemplateData = contentTemplateData;
}
/// <summary>
/// Sets content template data.
/// </summary>
public virtual void SetContentTemplateData(ContentTemplateData contentTemplateData)
{
}