protected override void Draw(ref Parameters.UiViewDrawParameters parameters)
{
float opacity = parameters.Opacity;
if (opacity == 0)
{
return;
}
DrawBackground(ref parameters);
if (_clipChildren)
{
parameters.DrawBatch.PushClip(ScreenBounds);
}
for (int idx = 0; idx < _children.Count; ++idx)
{
UiPage page = _children[idx] as UiPage;
page.ViewDraw(ref parameters);
}
if (_clipChildren)
{
parameters.DrawBatch.PopClip();
}
}
private void AddPage(UiPage page)
{
UiPage lastVisibleChild = null;
for (int idx = 0; idx < _children.Count; ++idx)
{
var child = _children[idx] as UiPage;
child.Hide();
lastVisibleChild = child;
if (child.HideTransitionEffect == null)
{
child.HideTransitionEffect = (page != null && page.ShowTransitionEffect != null) ? page.ShowTransitionEffect.Reverse() : null;
child.HideSpeed = page != null ? page.ShowSpeed : float.MaxValue;
if (child.HideTransitionEffect == null)
{
child.HideTransitionEffect = child.ShowTransitionEffect != null?child.ShowTransitionEffect.Reverse() : null;
child.HideSpeed = child.ShowSpeed;
}
}
}
if (page != null)
{
_children.Add(page);
page.Bounds = CalculateChildBounds(page);
page.Parent = this;
page.RegisterView();
page.ViewAdded();
if (page.ShowTransitionEffect == null)
{
page.ShowTransitionEffect = (lastVisibleChild != null && lastVisibleChild.HideTransitionEffect != null) ? lastVisibleChild.HideTransitionEffect.Reverse() : null;
page.ShowSpeed = lastVisibleChild != null ? lastVisibleChild.HideSpeed : float.MaxValue;
}
if (OnPageAdded != null)
{
OnPageAdded(page);
}
_skipUpdate = true;
}
}
protected override bool Init(object controller, object binding, DefinitionFile definition)
{
if (!base.Init(controller, binding, definition))
{
return(false);
}
DefinitionFileWithStyle file = new DefinitionFileWithStyle(definition, typeof(UiNavigationView));
string url = DefinitionResolver.GetString(Controller, binding, file["Page"]);
if (!string.IsNullOrWhiteSpace(url))
{
DefinitionFile pageFile = ContentLoader.Current.Load <DefinitionFile>(url);
NavigateTo(pageFile, new InvokeParameters());
UiPage page = _children[0] as UiPage;
page.InstantShow();
}
return(true);
}