/// <summary>
/// BindTo takes an Observable stream and applies it to a target
/// property. Conceptually it is similar to <c>Subscribe(x =>
/// target.property = x)</c>, but allows you to use child properties
/// without the null checks.
/// </summary>
/// <typeparam name="TValue">The value type.</typeparam>
/// <typeparam name="TTarget">The target type.</typeparam>
/// <typeparam name="TTValue">The target value type.</typeparam>
/// <param name="observedChange">The target observable to bind to.</param>
/// <param name="target">The target object whose property will be set.</param>
/// <param name="propertyExpression">
/// An expression representing the target property to set.
/// This can be a child property (i.e. <c>x.Foo.Bar.Baz</c>).
/// </param>
/// <param name="conversionHint">
/// An object that can provide a hint for the converter.
/// The semantics of this object is defined by the converter used.
/// </param>
/// <param name="vmToViewConverterOverride">
/// An optional <see cref="IBindingTypeConverter"/> to use when converting from the
/// viewModel to view property.
/// </param>
/// <returns>An object that when disposed, disconnects the binding.</returns>
IDisposable BindTo <TValue, TTarget, TTValue>(
IObservable <TValue> observedChange,
TTarget target,
Expression <Func <TTarget, TTValue> > propertyExpression,
object conversionHint,
IBindingTypeConverter vmToViewConverterOverride = null)
where TTarget : class;
this TView view, TViewModel viewModel, Expression <Func <TViewModel, TVMProp> > vmProperty, Expression <Func <TView, TVProp> > viewProperty, object conversionHint = null, IBindingTypeConverter vmToViewConverterOverride = null, IBindingTypeConverter viewToVmConverterOverride = null)
this TView view, TViewModel viewModel, Expression <Func <TViewModel, TVMProp> > vmProperty, Expression <Func <TView, TVProp> > viewProperty, IObservable <TDontCare> signalViewUpdate, object conversionHint = null, IBindingTypeConverter vmToViewConverterOverride = null, IBindingTypeConverter viewToVmConverterOverride = null)
//protected Settings setting;
public ContentPageBase() : base()
{
bindingDoubleToIntConverter = (IBindingTypeConverter)App.Container.Resolve <IDoubleToIntConverter>();
bindingIntToDoubleConverter = (IBindingTypeConverter)App.Container.Resolve <IIntToDoubleConverter>();
reverseBoolConverter = (IBindingTypeConverter)App.Container.Resolve <IReverseBoolConverter>();
//var _settingsFactory = App.Container.Resolve<ISettingsFactory>();
//setting = _settingsFactory.GetSettings();
}
/// <summary>
/// Creates a one-way binding, i.e. a binding that flows from the
/// <paramref name="viewModel"/> to the <paramref name="view"/> only. This binding will
/// attempt to convert the value of the view model property to the view property if they
/// are not of the same type.
/// </summary>
/// <typeparam name="TViewModel">The type of the view model that is bound.</typeparam>
/// <typeparam name="TView">The type of the view that is bound.</typeparam>
/// <typeparam name="TVMProp">The type of the property bound on the view model.</typeparam>
/// <typeparam name="TVProp">The type of the property bound on the view.</typeparam>
/// <param name="viewModel">The instance of the view model to bind to.</param>
/// <param name="view">The instance of the view to bind to.</param>
/// <param name="vmProperty">
/// An expression representing the property to be bound to on the view model.
/// This can be a child property, for example <c>x => x.Foo.Bar.Baz</c> in which case
/// the binding will attempt to subscribe recursively to updates in order to
/// always get the last value of the property chain.
/// </param>
/// <param name="viewProperty">
/// An expression representing the property to be bound to on the view.
/// This can be a child property, for example <c>x => x.Foo.Bar.Baz</c> in which case
/// the binding will attempt to subscribe recursively to updates in order to
/// always set the correct property.
/// </param>
/// <param name="conversionHint">
/// An object that can provide a hint for the converter.
/// The semantics of this object is defined by the converter used.
/// </param>
/// <param name="vmToViewConverterOverride">
/// An optional <see cref="IBindingTypeConverter"/> to use when converting from the
/// viewModel to view property.
/// </param>
/// <returns>
/// An instance of <see cref="IDisposable"/> that, when disposed,
/// disconnects the binding.
/// </returns>
/// <exception cref="ArgumentException">
/// There is no registered converter from <typeparamref name="TVMProp"/> to <typeparamref name="TVProp"/>.
/// </exception>
IReactiveBinding <TView, TViewModel, TVProp> OneWayBind <TViewModel, TView, TVMProp, TVProp>(
TViewModel viewModel,
TView view,
Expression <Func <TViewModel, TVMProp> > vmProperty,
Expression <Func <TView, TVProp> > viewProperty,
object conversionHint,
IBindingTypeConverter vmToViewConverterOverride = null)
where TViewModel : class
where TView : class, IViewFor;
/// <summary>
/// BindTo takes an Observable stream and applies it to a target
/// property. Conceptually it is similar to <c>Subscribe(x =>
/// target.property = x)</c>, but allows you to use child properties
/// without the null checks.
/// </summary>
/// <typeparam name="TValue">The source type.</typeparam>
/// <typeparam name="TTarget">The target object type.</typeparam>
/// <typeparam name="TTValue">The type of the property on the target object.</typeparam>
/// <param name="this">The observable stream to bind to a target property.</param>
/// <param name="target">The target object whose property will be set.</param>
/// <param name="property">
/// An expression representing the target property to set.
/// This can be a child property (i.e. <c>x.Foo.Bar.Baz</c>).
/// </param>
/// <param name="conversionHint">
/// An object that can provide a hint for the converter.
/// The semantics of this object is defined by the converter used.
/// </param>
/// <param name="vmToViewConverterOverride">
/// An optional <see cref="IBindingTypeConverter"/> to use when converting from the
/// viewModel to view property.
/// </param>
/// <returns>An object that when disposed, disconnects the binding.</returns>
public static IDisposable BindTo <TValue, TTarget, TTValue>(
this IObservable <TValue> @this,
TTarget target,
Expression <Func <TTarget, TTValue> > property,
object conversionHint = null,
IBindingTypeConverter vmToViewConverterOverride = null)
where TTarget : class
{
return(binderImplementation.BindTo(@this, target, property, conversionHint, vmToViewConverterOverride));
}
/// <summary>
/// Binds the specified view model property to the given view property, and
/// provide a custom view update signaller to signal when the view property has been updated.
/// </summary>
/// <typeparam name="TViewModel">The type of the view model being bound.</typeparam>
/// <typeparam name="TView">The type of the view being bound.</typeparam>
/// <typeparam name="TVMProp">The type of the property bound on the view model.</typeparam>
/// <typeparam name="TVProp">The type of the property bound on the view.</typeparam>
/// <param name="view">The instance of the view to bind.</param>
/// <typeparam name="TDontCare">
/// A dummy type, only the fact that <paramref name="signalViewUpdate"/>
/// emits values is considered, not the actual values emitted.
/// </typeparam>
/// <param name="viewModel">The instance of the view model to bind.</param>
/// <param name="vmProperty">
/// An expression indicating the property that is bound on the view model.
/// This can be a chain of properties of the form. <code>vm => vm.Foo.Bar.Baz</code>
/// and the binder will attempt to subscribe to changes on each recursively.
/// </param>
/// <param name="viewProperty">
/// The property on the view that is to be bound.
/// This can be a chain of properties of the form. <code>view => view.Foo.Bar.Baz</code>
/// and the binder will attempt to set the last one each time the view model property is updated.
/// </param>
/// <param name="signalViewUpdate">
/// An observable, that when signaled, indicates that the view property
/// has been changed, and that the binding should update the view model
/// property accordingly.
/// </param>
/// <param name="conversionHint">
/// An object that can provide a hint for the converter.
/// The semantics of this object is defined by the converter used.
/// </param>
/// <param name="vmToViewConverterOverride">
/// An optional <see cref="IBindingTypeConverter"/> to use when converting from the
/// viewModel to view property.
/// </param>
/// <param name="viewToVMConverterOverride">
/// An optional <see cref="IBindingTypeConverter"/> to use when converting from the
/// view to viewModel property.
/// </param>
/// <returns>
/// An instance of <see cref="IDisposable"/> that, when disposed,
/// disconnects the binding.
/// </returns>
public static IReactiveBinding <TView, TViewModel, Tuple <object, bool> > Bind <TViewModel, TView, TVMProp, TVProp, TDontCare>(
this TView view,
TViewModel viewModel,
Expression <Func <TViewModel, TVMProp> > vmProperty,
Expression <Func <TView, TVProp> > viewProperty,
IObservable <TDontCare> signalViewUpdate,
object conversionHint = null,
IBindingTypeConverter vmToViewConverterOverride = null,
IBindingTypeConverter viewToVMConverterOverride = null)
where TViewModel : class
where TView : class, IViewFor =>
binderImplementation.Bind(viewModel, view, vmProperty, viewProperty, signalViewUpdate, conversionHint, vmToViewConverterOverride, viewToVMConverterOverride);
BindToProperty <TViewModel, TView, TVMValue, TVMCanExecute, TVProp, TVEnabledProp>(
this TView view,
TViewModel viewModel,
Expression <Func <TViewModel, TVMValue> > vmCommandValue,
Expression <Func <TViewModel, TVMCanExecute> > vmCommandCanExecute,
Expression <Func <TView, TVProp> > vProperty,
Expression <Func <TView, TVEnabledProp> > vEnabled,
IBindingTypeConverter vmToViewConverterOverride,
CompositeDisposable disposables)
where TViewModel : class
where TView : class, IViewFor
{
view.Bind(viewModel, vmCommandValue, vProperty, vmToViewConverterOverride: vmToViewConverterOverride)
.DisposeWith(disposables);
view.Bind(viewModel, vmCommandCanExecute, vEnabled).DisposeWith(disposables);
}
/// <summary>
/// Binds the given property on the view model to a given property on the view in a one-way (view model to view) fashion.
/// </summary>
/// <typeparam name="TViewModel">The type of the view model.</typeparam>
/// <typeparam name="TView">The type of the view.</typeparam>
/// <typeparam name="TVMProp">The type of view model property.</typeparam>
/// <typeparam name="TVProp">The type of the property bound on the view.</typeparam>
/// <param name="view">
/// The instance of the view object which is bound. Usually, it is the. <code>this</code>
/// instance.
/// </param>
/// <param name="viewModel">
/// The view model that is bound.
/// It is usually set to the <see cref="IViewFor.ViewModel"/> property of the <paramref name="view"/>.</param>
/// <param name="vmProperty">
/// An expression indicating the property that is bound on the view model.
/// This can be a chain of properties of the form. <code>vm => vm.Foo.Bar.Baz</code>
/// and the binder will attempt to subscribe to changes on each recursively.
/// </param>
/// <param name="viewProperty">
/// The property on the view that is to be bound.
/// This can be a chain of properties of the form. <code>view => view.Foo.Bar.Baz</code>
/// and the binder will attempt to set the last one each time the view model property is updated.
/// </param>
/// <param name="conversionHint">
/// An object that can provide a hint for the converter.
/// The semantics of this object is defined by the converter used.
/// </param>
/// <param name="vmToViewConverterOverride">
/// An optional <see cref="IBindingTypeConverter"/> to use when converting from the
/// viewModel to view property.
/// </param>
/// <returns>
/// An instance of <see cref="IDisposable"/> that, when disposed,
/// disconnects the binding.
/// </returns>
public static IReactiveBinding <TView, TViewModel, TVProp> OneWayBind <TViewModel, TView, TVMProp, TVProp>(
this TView view,
TViewModel viewModel,
Expression <Func <TViewModel, TVMProp> > vmProperty,
Expression <Func <TView, TVProp> > viewProperty,
object conversionHint = null,
IBindingTypeConverter vmToViewConverterOverride = null)
where TViewModel : class
where TView : class, IViewFor
{
return(binderImplementation.OneWayBind(
viewModel,
view,
vmProperty,
viewProperty,
conversionHint,
vmToViewConverterOverride));
}
/// <summary>
/// Creates a one-way binding, i.e. a binding that flows from the
/// <paramref name="viewModel"/> to the <paramref name="view"/> only. This binding will
/// attempt to convert the value of the view model property to the view property if they
/// are not of the same type.
/// </summary>
/// <typeparam name="TViewModel">The type of the view model that is bound.</typeparam>
/// <typeparam name="TView">The type of the view that is bound.</typeparam>
/// <typeparam name="TVMProp">The type of the property bound on the view model.</typeparam>
/// <typeparam name="TVProp">The type of the property bound on the view.</typeparam>
/// <param name="viewModel">The instance of the view model to bind to.</param>
/// <param name="view">The instance of the view to bind to.</param>
/// <param name="vmProperty">
/// An expression representing the property to be bound to on the view model.
/// This can be a child property, for example <c>x => x.Foo.Bar.Baz</c> in which case
/// the binding will attempt to subscribe recursively to updates in order to
/// always get the last value of the property chain.
/// </param>
/// <param name="viewProperty">
/// An expression representing the property to be bound to on the view.
/// This can be a child property, for example <c>x => x.Foo.Bar.Baz</c> in which case
/// the binding will attempt to subscribe recursively to updates in order to
/// always set the correct property.
///
/// If it is left null, the framework will attempt to automagically figure out
/// the control and property that is to be bound, by looking for a control of the
/// same name as the <paramref name="vmProperty"/>, and its most natural property.
/// </param>
/// <param name="conversionHint">
/// An object that can provide a hint for the converter.
/// The semantics of this object is defined by the converter used.
/// </param>
/// <param name="vmToViewConverterOverride">
/// Delegate to convert the value of the view model's property's type to a value of the
/// view's property's type.
/// </param>
/// <returns>
/// An instance of <see cref="IDisposable"/> that, when disposed,
/// disconnects the binding.
/// </returns>
/// <exception cref="ArgumentException">
/// There is no registered converter from <typeparamref name="TVMProp"/> to <typeparamref name="TVProp"/>.
/// </exception>
public IReactiveBinding <TView, TViewModel, TVProp> OneWayBind <TViewModel, TView, TVMProp, TVProp>(
TViewModel viewModel,
TView view,
Expression <Func <TViewModel, TVMProp> > vmProperty,
Expression <Func <TView, TVProp> > viewProperty,
object conversionHint = null,
IBindingTypeConverter vmToViewConverterOverride = null)
where TViewModel : class
where TView : class, IViewFor
{
var vmExpression = Reflection.Rewrite(vmProperty.Body);
var viewExpression = Reflection.Rewrite(viewProperty.Body);
var viewType = viewExpression.Type;
var converter = vmToViewConverterOverride ?? GetConverterForTypes(typeof(TVMProp), viewType);
if (converter == null)
{
throw new ArgumentException($"Can't convert {typeof(TVMProp)} to {viewType}. To fix this, register a IBindingTypeConverter");
}
var ret = EvalBindingHooks(viewModel, view, vmExpression, viewExpression, BindingDirection.OneWay);
if (!ret)
{
return(null);
}
var source = Reflection.ViewModelWhenAnyValue(viewModel, view, vmExpression)
.SelectMany(x =>
{
object tmp;
if (!converter.TryConvert(x, viewType, conversionHint, out tmp))
{
return(Observable <TVProp> .Empty);
}
return(Observable.Return(tmp == null ? default(TVProp) : (TVProp)tmp));
});
IDisposable disp = BindToDirect(source, view, viewExpression);
return(new ReactiveBinding <TView, TViewModel, TVProp>(view, viewModel, viewExpression, vmExpression, source, BindingDirection.OneWay, disp));
}
/// <summary>
/// BindTo takes an Observable stream and applies it to a target
/// property. Conceptually it is similar to <c>Subscribe(x =>
/// target.property = x)</c>, but allows you to use child properties
/// without the null checks.
/// </summary>
/// <typeparam name="TValue">The source type.</typeparam>
/// <typeparam name="TTarget">The target object type.</typeparam>
/// <typeparam name="TTValue">The type of the property on the target object.</typeparam>
/// <param name="observedChange">The observable to apply to the target property.</param>
/// <param name="target">The target object whose property will be set.</param>
/// <param name="propertyExpression">
/// An expression representing the target property to set.
/// This can be a child property (i.e. <c>x.Foo.Bar.Baz</c>).</param>
/// <param name="conversionHint">
/// An object that can provide a hint for the converter.
/// The semantics of this object is defined by the converter used.
/// </param>
/// <param name="vmToViewConverterOverride">
/// Delegate to convert the value of the view model's property's type to a value of the
/// view's property's type.
/// </param>
/// <returns>An object that when disposed, disconnects the binding.</returns>
public IDisposable BindTo <TValue, TTarget, TTValue>(
IObservable <TValue> observedChange,
TTarget target,
Expression <Func <TTarget, TTValue> > propertyExpression,
object conversionHint = null,
IBindingTypeConverter vmToViewConverterOverride = null)
where TTarget : class
{
if (target == null)
{
throw new ArgumentNullException(nameof(target));
}
var viewExpression = Reflection.Rewrite(propertyExpression.Body);
var ret = EvalBindingHooks(observedChange, target, null, viewExpression, BindingDirection.OneWay);
if (!ret)
{
return(Disposable.Empty);
}
var converter = vmToViewConverterOverride ?? GetConverterForTypes(typeof(TValue), typeof(TTValue));
if (converter == null)
{
throw new ArgumentException($"Can't convert {typeof(TValue)} to {typeof(TTValue)}. To fix this, register a IBindingTypeConverter");
}
var source = observedChange.SelectMany(x =>
{
object tmp;
if (!converter.TryConvert(x, typeof(TTValue), conversionHint, out tmp))
{
return(Observable <TTValue> .Empty);
}
return(Observable.Return(tmp == null ? default(TTValue) : (TTValue)tmp));
});
return(BindToDirect(source, target, viewExpression));
}
/// <summary>
/// Binds the specified view model property to the given view property.
/// </summary>
/// <typeparam name="TViewModel">The type of the view model being bound.</typeparam>
/// <typeparam name="TView">The type of the view being bound.</typeparam>
/// <typeparam name="TVMProp">The type of the property bound on the view model.</typeparam>
/// <typeparam name="TVProp">The type of the property bound on the view.</typeparam>
/// <param name="view">The instance of the view to bind.</param>
/// <param name="viewModel">The instance of the view model to bind.</param>
/// <param name="vmProperty">
/// An expression indicating the property that is bound on the view model.
/// This can be a chain of properties of the form. <code>vm => vm.Foo.Bar.Baz</code>
/// and the binder will attempt to subscribe to changes on each recursively.
/// </param>
/// <param name="viewProperty">
/// The property on the view that is to be bound.
/// This can be a chain of properties of the form. <code>view => view.Foo.Bar.Baz</code>
/// and the binder will attempt to set the last one each time the view model property is updated.
/// </param>
/// <param name="conversionHint">
/// An object that can provide a hint for the converter.
/// The semantics of this object is defined by the converter used.
/// </param>
/// <param name="vmToViewConverterOverride">
/// An optional <see cref="IBindingTypeConverter"/> to use when converting from the
/// viewModel to view property.
/// </param>
/// <param name="viewToVMConverterOverride">
/// An optional <see cref="IBindingTypeConverter"/> to use when converting from the
/// view to viewModel property.
/// </param>
/// <returns>
/// An instance of <see cref="IDisposable"/> that, when disposed,
/// disconnects the binding.
/// </returns>
public static IReactiveBinding <TView, TViewModel, Tuple <object, bool> > Bind <TViewModel, TView, TVMProp, TVProp>(
this TView view,
TViewModel viewModel,
Expression <Func <TViewModel, TVMProp> > vmProperty,
Expression <Func <TView, TVProp> > viewProperty,
object conversionHint = null,
IBindingTypeConverter vmToViewConverterOverride = null,
IBindingTypeConverter viewToVMConverterOverride = null)
where TViewModel : class
where TView : class, IViewFor
{
return(binderImplementation.Bind(
viewModel,
view,
vmProperty,
viewProperty,
(IObservable <Unit>)null,
conversionHint,
vmToViewConverterOverride,
viewToVMConverterOverride));
}
/// <summary>
/// Creates a two-way binding between a view model and a view.
/// This binding will attempt to convert the values of the
/// view and view model properties using a <see cref="IBindingTypeConverter"/>
/// if they are not of the same type.
/// </summary>
/// <typeparam name="TViewModel">The type of the view model that is bound.</typeparam>
/// <typeparam name="TView">The type of the view being bound.</typeparam>
/// <typeparam name="TVMProp">The type of the property bound on the view model.</typeparam>
/// <typeparam name="TVProp">The type of the property bound on the view.</typeparam>
/// <typeparam name="TDontCare">
/// A dummy type, only the fact that <paramref name="signalViewUpdate"/>
/// emits values is considered, not the actual values emitted.
/// </typeparam>
/// <param name="viewModel">The instance of the view model object to be bound.</param>
/// <param name="view">The instance of the view object to be bound.</param>
/// <param name="vmProperty">
/// An expression representing the property to be bound to on the view model.
/// This can be a child property, for example <c>x => x.Foo.Bar.Baz</c> in which case
/// the binding will attempt to subscribe recursively to updates in order to
/// always get and set the correct property.
/// </param>
/// <param name="viewProperty">
/// An expression representing the property to be bound to on the view.
/// This can be a child property, for example <c>x => x.Foo.Bar.Baz</c> in which case
/// the binding will attempt to subscribe recursively to updates in order to
/// always get and set the correct property.
///
/// If it is left null, the framework will attempt to automagically figure out
/// the control and property that is to be bound, by looking for a control of the
/// same name as the <paramref name="vmProperty"/>, and its most natural property.
/// </param>
/// <param name="signalViewUpdate">
/// An observable, that when signaled, indicates that the view property
/// has been changed, and that the binding should update the view model
/// property accordingly.
/// </param>
/// <param name="conversionHint">
/// An object that can provide a hint for the converter.
/// The semantics of this object is defined by the converter used.
/// </param>
/// <param name="vmToViewConverterOverride">
/// An optional <see cref="IBindingTypeConverter"/> to use when converting from the
/// viewModel to view property.
/// </param>
/// <param name="viewToVMConverterOverride">
/// An optional <see cref="IBindingTypeConverter"/> to use when converting from the
/// view to viewModel property.
/// </param>
/// <returns>
/// An instance of <see cref="IDisposable"/> that, when disposed,
/// disconnects the binding.
/// </returns>
public IReactiveBinding <TView, TViewModel, Tuple <object, bool> > Bind <TViewModel, TView, TVMProp, TVProp, TDontCare>(
TViewModel viewModel,
TView view,
Expression <Func <TViewModel, TVMProp> > vmProperty,
Expression <Func <TView, TVProp> > viewProperty,
IObservable <TDontCare> signalViewUpdate,
object conversionHint,
IBindingTypeConverter vmToViewConverterOverride = null,
IBindingTypeConverter viewToVMConverterOverride = null)
where TViewModel : class
where TView : class, IViewFor
{
var vmToViewConverter = vmToViewConverterOverride ?? GetConverterForTypes(typeof(TVMProp), typeof(TVProp));
var viewToVMConverter = viewToVMConverterOverride ?? GetConverterForTypes(typeof(TVProp), typeof(TVMProp));
if (vmToViewConverter == null || viewToVMConverter == null)
{
throw new ArgumentException(
$"Can't two-way convert between {typeof(TVMProp)} and {typeof(TVProp)}. To fix this, register a IBindingTypeConverter or call the version with converter Funcs.");
}
OutFunc <TVMProp, TVProp> vmToViewFunc = (TVMProp vmValue, out TVProp vValue) =>
{
object tmp;
var result = vmToViewConverter.TryConvert(vmValue, typeof(TVProp), conversionHint, out tmp);
vValue = result ? (TVProp)tmp : default(TVProp);
return(result);
};
OutFunc <TVProp, TVMProp> viewToVmFunc = (TVProp vValue, out TVMProp vmValue) =>
{
object tmp;
var result = viewToVMConverter.TryConvert(vValue, typeof(TVMProp), conversionHint, out tmp);
vmValue = result ? (TVMProp)tmp : default(TVMProp);
return(result);
};
return(BindImpl(viewModel, view, vmProperty, viewProperty, signalViewUpdate, vmToViewFunc, viewToVmFunc));
}
public SettingsPage()
{
InitializeComponent();
bindingPaddingTopBottomConverter = (IBindingTypeConverter)App.Container.Resolve <IPaddingTopBottomConverter>();
settings = App.Container.Resolve <ISettingsFactory>().GetSettings();
ViewModel = (SettingsViewModel)App.Container.Resolve <ISettingsViewModel>();
var fontSize = settings.FontSize;
this.Padding = new Thickness(10, getDevicePadding(), 10, 5);
isManualFontLabel = new Label()
{
Text = "Enable Manual Font",
VerticalOptions = LayoutOptions.Center,
HorizontalOptions = LayoutOptions.Start
};
isManualFont = new Switch()
{
VerticalOptions = LayoutOptions.Center,
HorizontalOptions = LayoutOptions.EndAndExpand
};
isManualFontGrid = new TwoValueHorizontalGrid().Create(0d, 80d);
isManualFontGrid.Children.Add(isManualFontLabel, 0, 0);
isManualFontGrid.Children.Add(isManualFont, 1, 0);
fontSliderLabel = new Label
{
Text = $"Custom Font Size is {fontSize}",
HorizontalOptions = LayoutOptions.StartAndExpand,
VerticalOptions = LayoutOptions.CenterAndExpand
};
fontSlider = new Slider
{
Maximum = Constants.FontSizeMax,
Minimum = 12,
VerticalOptions = LayoutOptions.FillAndExpand,
HorizontalOptions = LayoutOptions.FillAndExpand
};
fontSliderGrid = new TwoValueHorizontalGrid().Create();
fontSliderGrid.Children.Add(fontSliderLabel, 0, 0);
fontSliderGrid.Children.Add(fontSlider, 1, 0);
showConnectionErrorsLabel = new Label()
{
Text = "Show Connection Errors",
VerticalOptions = LayoutOptions.CenterAndExpand,
HorizontalOptions = LayoutOptions.Start
};
showConnectionErrors = new Switch()
{
VerticalOptions = LayoutOptions.CenterAndExpand,
HorizontalOptions = LayoutOptions.End
};
showConnectionErrorsGrid = new TwoValueHorizontalGrid().Create();
showConnectionErrorsGrid.Children.Add(showConnectionErrorsLabel, 0, 0);
showConnectionErrorsGrid.Children.Add(showConnectionErrors, 1, 0);
viewCellManualFont = new ViewCell()
{
View = isManualFontGrid
};
viewCellSlider = new ViewCell()
{
View = fontSliderGrid
};
viewCellShowErrors = new ViewCell()
{
View = showConnectionErrorsGrid
};
var stacklayout = new StackLayout()
{
Orientation = StackOrientation.Vertical,
Padding = new Thickness(10, 10, 10, 10),
VerticalOptions = LayoutOptions.StartAndExpand,
HorizontalOptions = LayoutOptions.FillAndExpand
};
var seperator1 = new StackLayout
{
HeightRequest = 1,
BackgroundColor = Color.Gray,
HorizontalOptions = LayoutOptions.FillAndExpand
};
sectionLabelInterface = new Label()
{
Text = "Interface",
TextColor = Color.Gray
};
var seperator2 = new StackLayout
{
HeightRequest = 1,
BackgroundColor = Color.Gray,
HorizontalOptions = LayoutOptions.FillAndExpand
};
sectionLabelDiagnostics = new Label()
{
Text = "Diagnostics",
TextColor = Color.Gray
};
stacklayout.Children.Add(sectionLabelInterface);
stacklayout.Children.Add(seperator1);
stacklayout.Children.Add(isManualFontGrid);
stacklayout.Children.Add(fontSliderGrid);
stacklayout.Children.Add(sectionLabelDiagnostics);
stacklayout.Children.Add(seperator2);
stacklayout.Children.Add(showConnectionErrorsGrid);
this.Content = stacklayout;
this
.WhenActivated(
disposables =>
{
this
.OneWayBind(this.ViewModel, x => x.FontSize, x => x.isManualFontGrid.Margin, vmToViewConverterOverride: bindingPaddingTopBottomConverter)
.DisposeWith(disposables);
this
.OneWayBind(this.ViewModel, x => x.FontSize, x => x.fontSliderGrid.Margin, vmToViewConverterOverride: bindingPaddingTopBottomConverter)
.DisposeWith(disposables);
this
.OneWayBind(this.ViewModel, x => x.FontSize, x => x.showConnectionErrorsGrid.Margin, vmToViewConverterOverride: bindingPaddingTopBottomConverter)
.DisposeWith(disposables);
this
.OneWayBind(this.ViewModel, x => x.FontSize, x => x.isManualFontLabel.FontSize, vmToViewConverterOverride: bindingIntToDoubleConverter)
.DisposeWith(disposables);
this
.OneWayBind(this.ViewModel, x => x.FontSize, x => x.sectionLabelInterface.FontSize, vmToViewConverterOverride: bindingIntToDoubleConverter)
.DisposeWith(disposables);
this
.OneWayBind(this.ViewModel, x => x.FontSize, x => x.sectionLabelDiagnostics.FontSize, vmToViewConverterOverride: bindingIntToDoubleConverter)
.DisposeWith(disposables);
this.Bind(ViewModel, vm => vm.FontSize, x => x.fontSlider.Value, vmToViewConverterOverride: bindingIntToDoubleConverter, viewToVMConverterOverride: bindingDoubleToIntConverter)
.DisposeWith(disposables);
this.fontSlider.Events().ValueChanged
.Throttle(TimeSpan.FromMilliseconds(150), RxApp.MainThreadScheduler)
.Do((x) =>
{
var rounded = Math.Round(x.NewValue);
fontSliderLabel.Text = $"Custom Font Size is {rounded}";
MessagingCenter.Send <ISettingsPage>(this, "mSettingsFontChanged");
})
.Select(x => Unit.Default)
.InvokeCommand(ViewModel.FontSliderChanged)
.DisposeWith(disposables);
this.isManualFont.Events().Toggled
.Select(x => Unit.Default)
.InvokeCommand(ViewModel.IsManualFontOnClicked)
.DisposeWith(disposables);
this
.OneWayBind(this.ViewModel, x => x.FontSize, x => x.isManualFontLabel.FontSize, vmToViewConverterOverride: bindingIntToDoubleConverter)
.DisposeWith(disposables);
this
.Bind(this.ViewModel, x => x.IsManualFontOn, x => x.isManualFont.IsToggled)
.DisposeWith(disposables);
this
.OneWayBind(this.ViewModel, x => x.FontSize, x => x.fontSliderLabel.FontSize, vmToViewConverterOverride: bindingIntToDoubleConverter)
.DisposeWith(disposables);
this
.OneWayBind(this.ViewModel, x => x.IsManualFontOn, x => x.fontSlider.IsEnabled)
.DisposeWith(disposables);
this
.OneWayBind(this.ViewModel, x => x.FontSize, x => x.showConnectionErrorsLabel.FontSize, vmToViewConverterOverride: bindingIntToDoubleConverter)
.DisposeWith(disposables);
this
.Bind(this.ViewModel, x => x.ShowConnectionErrors, x => x.showConnectionErrors.IsToggled)
.DisposeWith(disposables);
this.BindCommand(
this.ViewModel,
x => x.ShowConnectionErrorsCommand,
x => x.showConnectionErrors, nameof(showConnectionErrors.Toggled))
.DisposeWith(disposables);
});
}
private IDisposable BindComboBox <T>(
Expression <Func <SeasonFormViewModel, T> > vmProperty,
Expression <Func <SeasonFormControl, object> > viewProperty,
IBindingTypeConverter converter)
=> this.Bind(this.ViewModel, vmProperty, viewProperty, null, converter, converter);
public ContentViewBase() : base()
{
bindingDoubleToIntConverter = (IBindingTypeConverter)App.Container.Resolve <IDoubleToIntConverter>();
bindingIntToDoubleConverter = (IBindingTypeConverter)App.Container.Resolve <IIntToDoubleConverter>();
}
public SettingsPage()
{
InitializeComponent();
bindingPaddingTopBottomConverter = (IBindingTypeConverter)App.Container.Resolve <IPaddingTopBottomConverter>();
ViewModel = (SettingsViewModel)App.Container.Resolve <ISettingsViewModel>();
var fontSize = ViewModel.FontSize;
this.Padding = new Thickness(10, getDevicePadding(), 10, 5);
isManualFontLabel = new Label()
{
Text = "Enable Manual Font",
VerticalOptions = LayoutOptions.Center,
HorizontalOptions = LayoutOptions.Start
};
isManualFont = new Switch()
{
VerticalOptions = LayoutOptions.Center,
HorizontalOptions = LayoutOptions.EndAndExpand
};
isManualFontGrid = new TwoValueHorizontalGrid().Create(0d, 80d);
isManualFontGrid.Children.Add(isManualFontLabel, 0, 0);
isManualFontGrid.Children.Add(isManualFont, 1, 0);
fontSliderLabel = new Label
{
//Text = $"Custom Font Size is {fontSize}",
HorizontalOptions = LayoutOptions.StartAndExpand,
VerticalOptions = LayoutOptions.CenterAndExpand
};
fontSlider = new Slider
{
Maximum = ViewModel.defaultsFactory.GetFontSizeMax(),
Minimum = 12,
VerticalOptions = LayoutOptions.FillAndExpand,
HorizontalOptions = LayoutOptions.FillAndExpand
};
fontSliderGrid = new TwoValueHorizontalGrid().Create();
fontSliderGrid.Children.Add(fontSliderLabel, 0, 0);
fontSliderGrid.Children.Add(fontSlider, 1, 0);
showConnectionErrorsLabel = new Label()
{
Text = "Show Connection Errors",
VerticalOptions = LayoutOptions.CenterAndExpand,
HorizontalOptions = LayoutOptions.Start
};
showConnectionErrors = new Switch()
{
VerticalOptions = LayoutOptions.CenterAndExpand,
HorizontalOptions = LayoutOptions.End
};
showConnectionErrorsGrid = new TwoValueHorizontalGrid().Create();
showConnectionErrorsGrid.Children.Add(showConnectionErrorsLabel, 0, 0);
showConnectionErrorsGrid.Children.Add(showConnectionErrors, 1, 0);
viewCellManualFont = new ViewCell()
{
View = isManualFontGrid
};
viewCellSlider = new ViewCell()
{
View = fontSliderGrid
};
viewCellShowErrors = new ViewCell()
{
View = showConnectionErrorsGrid
};
var stacklayout = new StackLayout()
{
Orientation = StackOrientation.Vertical,
Padding = new Thickness(10, 10, 10, 10),
VerticalOptions = LayoutOptions.StartAndExpand,
HorizontalOptions = LayoutOptions.FillAndExpand
};
var seperator1 = new StackLayout
{
HeightRequest = 1,
BackgroundColor = Color.Gray,
HorizontalOptions = LayoutOptions.FillAndExpand
};
sectionLabelInterface = new Label()
{
Text = "Interface",
TextColor = Color.Gray
};
var seperator2 = new StackLayout
{
HeightRequest = 1,
BackgroundColor = Color.Gray,
HorizontalOptions = LayoutOptions.FillAndExpand
};
sectionLabelDiagnostics = new Label()
{
Text = "Diagnostics",
TextColor = Color.Gray
};
stacklayout.Children.Add(sectionLabelInterface);
stacklayout.Children.Add(seperator1);
stacklayout.Children.Add(isManualFontGrid);
stacklayout.Children.Add(fontSliderGrid);
stacklayout.Children.Add(sectionLabelDiagnostics);
stacklayout.Children.Add(seperator2);
stacklayout.Children.Add(showConnectionErrorsGrid);
this.Content = stacklayout;
this
.WhenActivated(
disposables =>
{
this
.OneWayBind(ViewModel, vm => vm.Title, x => x.Title)
.DisposeWith(disposables);
this
.OneWayBind(this.ViewModel, x => x.FontSize, x => x.isManualFontGrid.Margin, vmToViewConverterOverride: bindingPaddingTopBottomConverter)
.DisposeWith(disposables);
this
.OneWayBind(this.ViewModel, x => x.FontSize, x => x.fontSliderGrid.Margin, vmToViewConverterOverride: bindingPaddingTopBottomConverter)
.DisposeWith(disposables);
this
.OneWayBind(this.ViewModel, x => x.FontSize, x => x.showConnectionErrorsGrid.Margin, vmToViewConverterOverride: bindingPaddingTopBottomConverter)
.DisposeWith(disposables);
this
.OneWayBind(this.ViewModel, x => x.FontSize, x => x.isManualFontLabel.FontSize, vmToViewConverterOverride: bindingIntToDoubleConverter)
.DisposeWith(disposables);
this
.OneWayBind(this.ViewModel, x => x.FontSize, x => x.sectionLabelInterface.FontSize, vmToViewConverterOverride: bindingIntToDoubleConverter)
.DisposeWith(disposables);
this
.OneWayBind(this.ViewModel, x => x.FontSize, x => x.sectionLabelDiagnostics.FontSize, vmToViewConverterOverride: bindingIntToDoubleConverter)
.DisposeWith(disposables);
this.Bind(ViewModel, vm => vm.FontSize, x => x.fontSlider.Value, vmToViewConverterOverride: bindingIntToDoubleConverter, viewToVMConverterOverride: bindingDoubleToIntConverter)
.DisposeWith(disposables);
this
.OneWayBind(this.ViewModel, x => x.FontSize, x => x.isManualFontLabel.FontSize, vmToViewConverterOverride: bindingIntToDoubleConverter)
.DisposeWith(disposables);
this
.Bind(this.ViewModel, x => x.IsManualFontOn, x => x.isManualFont.IsToggled)
.DisposeWith(disposables);
this
.OneWayBind(this.ViewModel, x => x.FontSliderLabel, x => x.fontSliderLabel.Text)
.DisposeWith(disposables);
this
.OneWayBind(this.ViewModel, x => x.FontSize, x => x.fontSliderLabel.FontSize, vmToViewConverterOverride: bindingIntToDoubleConverter)
.DisposeWith(disposables);
this
.OneWayBind(this.ViewModel, x => x.IsManualFontOn, x => x.fontSlider.IsEnabled)
.DisposeWith(disposables);
this
.OneWayBind(this.ViewModel, x => x.FontSize, x => x.showConnectionErrorsLabel.FontSize, vmToViewConverterOverride: bindingIntToDoubleConverter)
.DisposeWith(disposables);
this
.Bind(this.ViewModel, x => x.ShowConnectionErrors, x => x.showConnectionErrors.IsToggled)
.DisposeWith(disposables);
});
}
