128 lines
3.4 KiB
C#
128 lines
3.4 KiB
C#
using System;
|
|
using System.ComponentModel;
|
|
using Ooui.Forms.Extensions;
|
|
using Xamarin.Forms;
|
|
|
|
namespace Ooui.Forms.Renderers
|
|
{
|
|
public abstract class ViewRenderer : ViewRenderer<View, Ooui.Element>
|
|
{
|
|
}
|
|
|
|
public class ViewRenderer<TElement, TNativeElement> : VisualElementRenderer<TElement> where TElement : View where TNativeElement : Ooui.Element
|
|
{
|
|
Color _defaultColor;
|
|
|
|
public TNativeElement Control { get; private set; }
|
|
|
|
/// <summary>
|
|
/// Determines whether the native control is disposed of when this renderer is disposed
|
|
/// Can be overridden in deriving classes
|
|
/// </summary>
|
|
protected virtual bool ManageNativeControlLifetime => true;
|
|
|
|
protected override void Dispose (bool disposing)
|
|
{
|
|
base.Dispose (disposing);
|
|
|
|
if (disposing && Control != null && ManageNativeControlLifetime) {
|
|
Control = null;
|
|
}
|
|
}
|
|
|
|
protected override void OnElementChanged (ElementChangedEventArgs<TElement> e)
|
|
{
|
|
base.OnElementChanged (e);
|
|
|
|
if (e.OldElement != null)
|
|
e.OldElement.FocusChangeRequested -= ViewOnFocusChangeRequested;
|
|
|
|
if (e.NewElement != null) {
|
|
if (Control != null && e.OldElement != null && e.OldElement.BackgroundColor != e.NewElement.BackgroundColor || e.NewElement.BackgroundColor != Xamarin.Forms.Color.Default)
|
|
SetBackgroundColor (e.NewElement.BackgroundColor);
|
|
|
|
e.NewElement.FocusChangeRequested += ViewOnFocusChangeRequested;
|
|
}
|
|
|
|
UpdateIsEnabled ();
|
|
}
|
|
|
|
protected override void OnElementPropertyChanged (object sender, PropertyChangedEventArgs e)
|
|
{
|
|
if (Control != null) {
|
|
if (e.PropertyName == VisualElement.IsEnabledProperty.PropertyName)
|
|
UpdateIsEnabled ();
|
|
else if (e.PropertyName == VisualElement.BackgroundColorProperty.PropertyName)
|
|
SetBackgroundColor (Element.BackgroundColor);
|
|
}
|
|
|
|
base.OnElementPropertyChanged (sender, e);
|
|
}
|
|
|
|
protected override void OnRegisterEffect (PlatformEffect effect)
|
|
{
|
|
base.OnRegisterEffect (effect);
|
|
//effect.Control = Control;
|
|
}
|
|
|
|
protected override void SetAutomationId (string id)
|
|
{
|
|
if (Control == null)
|
|
base.SetAutomationId (id);
|
|
else {
|
|
}
|
|
}
|
|
|
|
protected override void SetBackgroundColor (Xamarin.Forms.Color color)
|
|
{
|
|
if (Control == null)
|
|
return;
|
|
|
|
if (color == Xamarin.Forms.Color.Default)
|
|
Control.Style.BackgroundColor = _defaultColor;
|
|
else
|
|
Control.Style.BackgroundColor = color.ToOouiColor ();
|
|
}
|
|
|
|
protected void SetNativeControl (Ooui.Element uiview)
|
|
{
|
|
_defaultColor = Color.FromStyleValue (uiview.Style.BackgroundColor);
|
|
Control = (TNativeElement)uiview;
|
|
|
|
if (Element.BackgroundColor != Xamarin.Forms.Color.Default)
|
|
SetBackgroundColor (Element.BackgroundColor);
|
|
|
|
UpdateIsEnabled ();
|
|
|
|
this.AppendChild (uiview);
|
|
}
|
|
|
|
public override void SetControlSize (Size size)
|
|
{
|
|
if (Control != null) {
|
|
Control.Style.Width = size.Width;
|
|
Control.Style.Height = size.Height;
|
|
}
|
|
}
|
|
|
|
protected override void SendVisualElementInitialized (VisualElement element, Ooui.Element nativeView)
|
|
{
|
|
base.SendVisualElementInitialized (element, Control);
|
|
}
|
|
|
|
void UpdateIsEnabled ()
|
|
{
|
|
if (Element == null || Control == null)
|
|
return;
|
|
|
|
var uiControl = Control as Ooui.FormControl;
|
|
if (uiControl == null)
|
|
return;
|
|
uiControl.IsDisabled = !Element.IsEnabled;
|
|
}
|
|
|
|
void ViewOnFocusChangeRequested (object sender, VisualElement.FocusRequestArgs focusRequestArgs)
|
|
{
|
|
}
|
|
}
|
|
} |