public ViewModelBinding(ConsoleControl control, PropertyInfo controlProperty, ObservableObject viewModel, string observablePropertyName)
{
var viewModelObservableProperty = viewModel.GetType().GetProperty(observablePropertyName);
if (viewModelObservableProperty.PropertyType != controlProperty.PropertyType &&
viewModelObservableProperty.PropertyType.IsSubclassOf(controlProperty.PropertyType) == false &&
viewModelObservableProperty.PropertyType.GetInterfaces().Contains(controlProperty.PropertyType) == false)
{
throw new InvalidOperationException($"ViewModel property '{viewModel.GetType().FullName}.{observablePropertyName}' of type {viewModelObservableProperty.PropertyType.FullName} is not compatible with control property '{controlProperty.DeclaringType.FullName}.{controlProperty.Name}' of type {controlProperty.PropertyType.FullName} ");
}
viewModel.SynchronizeForLifetime(observablePropertyName, () =>
{
var newValue = viewModelObservableProperty.GetValue(viewModel);
if (newValue == latestValue)
{
return;
}
latestValue = newValue;
controlProperty.SetValue(control, newValue);
}, control.LifetimeManager);
control.SubscribeForLifetime(controlProperty.Name, () =>
{
var newValue = controlProperty.GetValue(control);
if (newValue == latestValue)
{
return;
}
latestValue = newValue;
viewModelObservableProperty.SetValue(viewModel, newValue);
}, control.LifetimeManager);
}
public static T FillAndPreserveAspectRatio <T>(this T child, ConsoleControl parent = null, Thickness?padding = null) where T : ConsoleControl
{
parent = parent ?? child.Parent;
var effectivePadding = padding.HasValue ? padding.Value : new Thickness(0, 0, 0, 0);
Action syncAction = () =>
{
if (parent.Width == 0 || parent.Height == 0)
{
return;
}
var aspectRatio = (float)child.Width / child.Height;
var newW = parent.Width - (effectivePadding.Left + effectivePadding.Right);
var newH = (int)Math.Round(newW / aspectRatio);
if (newH > parent.Height)
{
newH = parent.Height;
newW = (int)Math.Round(newH * aspectRatio);
}
var newLeft = (parent.Width - newW) / 2;
var newTop = (parent.Height - newH) / 2;
child.Bounds = new Rectangle(newLeft, newTop, newW, newH);
};
parent.SubscribeForLifetime(nameof(ConsoleControl.Bounds), syncAction, parent);
syncAction();
return(child);
}
public static T Fill <T>(this T child, ConsoleControl parent = null, Thickness?padding = null) where T : ConsoleControl
{
parent = parent ?? child.Parent;
var effectivePadding = padding.HasValue ? padding.Value : new Thickness(0, 0, 0, 0);
Action syncAction = () =>
{
if (parent.Width == 0 || parent.Height == 0)
{
return;
}
var newBounds = new Rectangle(new Point(0, 0), parent.Size);
newBounds.X += effectivePadding.Left;
newBounds.Width -= effectivePadding.Left;
newBounds.Width -= effectivePadding.Right;
newBounds.Y += effectivePadding.Top;
newBounds.Height -= effectivePadding.Top;
newBounds.Height -= effectivePadding.Bottom;
child.Bounds = newBounds;
};
parent.SubscribeForLifetime(nameof(ConsoleControl.Bounds), syncAction, parent);
syncAction();
return(child);
}
public static T FillVertically <T>(this T child, ConsoleControl parent = null) where T : ConsoleControl
{
parent = parent ?? child.Parent;
Action syncAction = () => { child.Bounds = new Rectangle(child.X, 0, child.Width, parent.Height); };
parent.SubscribeForLifetime(nameof(ConsoleControl.Bounds), syncAction, parent.LifetimeManager);
syncAction();
return(child);
}
public ViewModelBinding(ConsoleControl control, PropertyInfo controlProperty, ObservableObject viewModel, string observablePath, Func <object, object> mapper, Func <object, object> reverseMapper)
{
this.mapper = mapper;
this.reverseMapper = reverseMapper;
var exp = ObjectPathExpression.Parse(observablePath);
var trace = exp.EvaluateAndTraceInfo(viewModel);
var observableObject = trace[trace.Count - 2].Value as ObservableObject;
var viewModelObservableProperty = trace.Last()?.MemberInfo as PropertyInfo;
if (observableObject == null)
{
throw new InvalidOperationException($"ViewModel property '{viewModel.GetType().FullName}.{observablePath}' is not observable");
}
if (viewModelObservableProperty == null)
{
throw new InvalidOperationException($"Cannot resolve ViewModel property '{viewModel.GetType().FullName}.{observablePath}'");
}
if (mapper != null && reverseMapper != null)
{
if (viewModelObservableProperty.PropertyType != controlProperty.PropertyType &&
viewModelObservableProperty.PropertyType.IsSubclassOf(controlProperty.PropertyType) == false &&
viewModelObservableProperty.PropertyType.GetInterfaces().Contains(controlProperty.PropertyType) == false)
{
throw new InvalidOperationException($"ViewModel type '{viewModel.GetType().FullName} property {observablePath}' of type {viewModelObservableProperty.PropertyType.FullName} is not compatible with control property '{controlProperty.DeclaringType.FullName}.{controlProperty.Name}' of type {controlProperty.PropertyType.FullName} ");
}
}
observableObject.SynchronizeForLifetime(trace.Last().MemberInfo.Name, () =>
{
var newValue = viewModelObservableProperty.GetValue(observableObject);
if (newValue == latestValue)
{
return;
}
latestValue = newValue;
controlProperty.SetValue(control, mapper != null ? mapper(newValue) : newValue);
}, control.LifetimeManager);
control.SubscribeForLifetime(controlProperty.Name, () =>
{
var newValue = controlProperty.GetValue(control);
if (newValue == latestValue)
{
return;
}
latestValue = newValue;
viewModelObservableProperty.SetValue(observableObject, reverseMapper != null ? reverseMapper(newValue) : newValue);
}, control.LifetimeManager);
}
public static T DockToLeft <T>(this T child, ConsoleControl parent = null, int padding = 0) where T : ConsoleControl
{
parent = parent ?? child.Parent;
Action syncAction = () =>
{
child.X = padding;
};
child.SubscribeForLifetime(nameof(ConsoleControl.Bounds), syncAction, parent);
parent.SubscribeForLifetime(nameof(ConsoleControl.Bounds), syncAction, parent);
syncAction();
return(child);
}
public static T FillVertically <T>(this T child, ConsoleControl parent = null, Thickness?padding = null) where T : ConsoleControl
{
parent = parent ?? child.Parent;
var effectivePadding = padding.HasValue ? padding.Value : new Thickness(0, 0, 0, 0);
Action syncAction = () =>
{
child.Bounds = new Rectangle(child.X, effectivePadding.Top, child.Width, parent.Height - (effectivePadding.Top + effectivePadding.Bottom));
};
parent.SubscribeForLifetime(nameof(ConsoleControl.Bounds), syncAction, parent);
syncAction();
return(child);
}
public static T DockToBottom <T>(this T child, ConsoleControl parent = null, int padding = 0) where T : ConsoleControl
{
parent = parent ?? child.Parent;
Action syncAction = () =>
{
if (parent.Height == 0)
{
return;
}
child.Y = parent.Height - child.Height - padding;
};
child.SubscribeForLifetime(nameof(ConsoleControl.Bounds), syncAction, parent);
parent.SubscribeForLifetime(nameof(ConsoleControl.Bounds), syncAction, parent);
syncAction();
return(child);
}
public static T FillHorizontally <T>(this T child, ConsoleControl parent = null, Thickness?padding = null) where T : ConsoleControl
{
parent = parent ?? child.Parent;
var effectivePadding = padding.HasValue ? padding.Value : new Thickness(0, 0, 0, 0);
Action syncAction = () =>
{
if (parent.Width == 0)
{
return;
}
child.Bounds = new Rectangle(effectivePadding.Left, child.Y, parent.Width - (effectivePadding.Right + effectivePadding.Left), child.Height);
};
parent.SubscribeForLifetime(nameof(ConsoleControl.Bounds), syncAction, parent);
syncAction();
return(child);
}
public static T DockToRight <T>(this T child, ConsoleControl parent = null, int padding = 0) where T : ConsoleControl
{
parent = parent ?? child.Parent;
Action syncAction = () =>
{
if (parent.Width == 0 || child.Width == 0)
{
return;
}
child.X = parent.Width - child.Width - padding;
};
child.SubscribeForLifetime(nameof(ConsoleControl.Bounds), syncAction, parent.LifetimeManager);
parent.SubscribeForLifetime(nameof(ConsoleControl.Bounds), syncAction, parent.LifetimeManager);
syncAction();
return(child);
}
/// <summary>
/// Adds the current control to the current focus context
/// </summary>
/// <param name="c">The control to add</param>
internal void Add(ConsoleControl c)
{
if (focusStack.Peek().Controls.Contains(c))
{
throw new InvalidOperationException("Item already being tracked");
}
focusStack.Peek().Controls.Add(c);
if (c.Id != null && c.Id == currentFocusedControlId)
{
c.TryFocus();
}
c.SubscribeForLifetime(nameof(c.CanFocus), () =>
{
if (c.CanFocus == false && c.HasFocus)
{
TryMoveFocus();
}
}, c);
}
public static T CenterHorizontally <T>(this T child, ConsoleControl parent = null) where T : ConsoleControl
{
parent = parent ?? child.Parent;
Action syncAction = () =>
{
if (parent.Width == 0 || child.Width == 0)
{
return;
}
var gap = parent.Width - child.Width;
var x = gap / 2;
child.X = Math.Max(0, x);
};
parent.SubscribeForLifetime(nameof(ConsoleControl.Bounds), syncAction, parent);
child.SubscribeForLifetime(nameof(ConsoleControl.Bounds), syncAction, parent);
syncAction();
return(child);
}
private void ScrollableControls_Added(ConsoleControl c)
{
c.SubscribeForLifetime(nameof(Bounds), UpdateScrollbars, c.LifetimeManager);
}
private void ScrollableControls_Added(ConsoleControl c)
{
c.SubscribeForLifetime(nameof(Bounds), UpdateScrollbars, c.LifetimeManager);
}
public ViewModelBinding(ConsoleControl control, PropertyInfo controlProperty, ObservableObject viewModel, string observablePropertyName)
{
var viewModelObservableProperty = viewModel.GetType().GetProperty(observablePropertyName);
if (viewModelObservableProperty.PropertyType != controlProperty.PropertyType &&
viewModelObservableProperty.PropertyType.IsSubclassOf(controlProperty.PropertyType) == false &&
viewModelObservableProperty.PropertyType.GetInterfaces().Contains(controlProperty.PropertyType) == false)
{
throw new InvalidOperationException($"ViewModel property '{viewModel.GetType().FullName}.{observablePropertyName}' of type {viewModelObservableProperty.PropertyType.FullName} is not compatible with control property '{controlProperty.DeclaringType.FullName}.{controlProperty.Name}' of type {controlProperty.PropertyType.FullName} ");
}
viewModel.SynchronizeForLifetime(observablePropertyName, () =>
{
var newValue = viewModelObservableProperty.GetValue(viewModel);
if (newValue == latestValue) return;
latestValue = newValue;
controlProperty.SetValue(control, newValue);
}, control.LifetimeManager);
control.SubscribeForLifetime(controlProperty.Name, () =>
{
var newValue = controlProperty.GetValue(control);
if (newValue == latestValue) return;
latestValue = newValue;
viewModelObservableProperty.SetValue(viewModel, newValue);
}, control.LifetimeManager);
}