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using System;
using System.Collections;
using System.Diagnostics;
using AppKit;
using Xamarin.PropertyEditing.Mac.Resources;
using Xamarin.PropertyEditing.ViewModels;
namespace Xamarin.PropertyEditing.Mac
{
internal abstract class BasePointEditorControl<T> : PropertyEditorControl
where T : struct
{
internal UnfocusableTextField XLabel { get; set; }
internal NumericSpinEditor XEditor { get; set; }
internal UnfocusableTextField YLabel { get; set; }
internal NumericSpinEditor YEditor { get; set; }
public override NSView FirstKeyView => XEditor;
public override NSView LastKeyView => YEditor;
internal new PropertyViewModel<T> ViewModel
{
get { return (PropertyViewModel<T>)base.ViewModel; }
set { base.ViewModel = value; }
}
public BasePointEditorControl ()
{
XLabel = new UnfocusableTextField ();
XEditor = new NumericSpinEditor ();
XEditor.BackgroundColor = NSColor.Clear;
XEditor.Value = 0.0f;
XEditor.ValueChanged += OnInputUpdated;
YLabel = new UnfocusableTextField ();
YEditor = new NumericSpinEditor ();
YEditor.BackgroundColor = NSColor.Clear;
YEditor.Value = 0.0f;
YEditor.ValueChanged += OnInputUpdated;
AddSubview (XLabel);
AddSubview (XEditor);
AddSubview (YLabel);
AddSubview (YEditor);
this.DoConstraints (new[] {
XEditor.ConstraintTo (this, (xe, c) => xe.Width == 90),
XEditor.ConstraintTo (this, (xe, c) => xe.Height == DefaultControlHeight),
YEditor.ConstraintTo (this, (ye, c) => ye.Width == 90),
YEditor.ConstraintTo (this, (ye, c) => ye.Height == DefaultControlHeight),
});
UpdateTheme ();
}
protected override void HandleErrorsChanged (object sender, System.ComponentModel.DataErrorsChangedEventArgs e)
{
UpdateErrorsDisplayed (ViewModel.GetErrors (ViewModel.Property.Name));
}
protected override void UpdateErrorsDisplayed (IEnumerable errors)
{
if (ViewModel.HasErrors) {
SetErrors (errors);
} else {
SetErrors (null);
SetEnabled ();
}
}
protected override void SetEnabled ()
{
XEditor.Editable = ViewModel.Property.CanWrite;
YEditor.Editable = ViewModel.Property.CanWrite;
}
protected override void UpdateAccessibilityValues ()
{
XEditor.AccessibilityEnabled = XEditor.Enabled;
XEditor.AccessibilityTitle = string.Format (LocalizationResources.AccessibilityXEditor, ViewModel.Property.Name);
YEditor.AccessibilityEnabled = YEditor.Enabled;
YEditor.AccessibilityTitle = string.Format (LocalizationResources.AccessibilityYEditor, ViewModel.Property.Name);
}
protected virtual void OnInputUpdated (object sender, EventArgs e)
{
ViewModel.Value = (T)Activator.CreateInstance (typeof (T), XEditor.Value, YEditor.Value);
}
}
}
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