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using System;
using System.Collections;
using System.ComponentModel;
using System.IO;
using AppKit;
using Xamarin.PropertyEditing.Mac.Resources;
using Xamarin.PropertyEditing.ViewModels;
namespace Xamarin.PropertyEditing.Mac
{
internal class PanelHeaderLabelControl : NSView
{
public const string PanelHeaderLabelIdentifierString = "PanelHeaderLabelIdentifier";
private NSImageView propertyIcon;
private PanelViewModel viewModel;
public PanelHeaderLabelControl (PanelViewModel viewModel)
{
if (viewModel == null)
throw new ArgumentNullException (nameof (viewModel));
this.viewModel = viewModel;
this.viewModel.PropertyChanged += ViewModel_PropertyChanged;
Identifier = PanelHeaderLabelIdentifierString;
var propertyObjectNameLabel = new UnfocusableTextField {
Alignment = NSTextAlignment.Right,
StringValue = Properties.Resources.Name + ":",
TranslatesAutoresizingMaskIntoConstraints = false,
};
AddSubview (propertyObjectNameLabel);
var propertyTypeNameLabel = new UnfocusableTextField {
Alignment = NSTextAlignment.Right,
StringValue = Properties.Resources.Type + ":",
TranslatesAutoresizingMaskIntoConstraints = false,
};
AddSubview (propertyTypeNameLabel);
this.propertyIcon = new NSImageView {
ImageScaling = NSImageScale.AxesIndependently,
TranslatesAutoresizingMaskIntoConstraints = false,
};
AddSubview (this.propertyIcon);
this.DoConstraints (new NSLayoutConstraint[] {
propertyObjectNameLabel.ConstraintTo(this, (ol, c) => ol.Top == c.Top),
propertyObjectNameLabel.ConstraintTo(this, (ol, c) => ol.Left == c.Left + 182),
propertyObjectNameLabel.ConstraintTo(this, (ol, c) => ol.Width == 40),
propertyObjectNameLabel.ConstraintTo(this, (ol, c) => ol.Height == PropertyEditorControl.DefaultControlHeight),
propertyTypeNameLabel.ConstraintTo(this, (tl, c) => tl.Top == c.Top + 22),
propertyTypeNameLabel.ConstraintTo(this, (tl, c) => tl.Left == c.Left + 182),
propertyTypeNameLabel.ConstraintTo(this, (tl, c) => tl.Width == 40),
propertyTypeNameLabel.ConstraintTo(this, (tl, c) => tl.Height == PropertyEditorControl.DefaultControlHeight),
this.propertyIcon.ConstraintTo(this, (ico, c) => ico.Top == c.Top + 5),
this.propertyIcon.ConstraintTo(this, (ico, c) => ico.Left == c.Left + 32),
this.propertyIcon.ConstraintTo(this, (ico, c) => ico.Width == 32),
this.propertyIcon.ConstraintTo(this, (ico, c) => ico.Height == 32),
});
UpdateIcon ();
}
private async void UpdateIcon ()
{
Stream icon = await this.viewModel.GetIconAsync ();
if (icon != null)
this.propertyIcon.Image = NSImage.FromStream (icon);
this.propertyIcon.Hidden = (icon == null);
}
void ViewModel_PropertyChanged (object sender, PropertyChangedEventArgs e)
{
if (e.PropertyName == nameof (PanelViewModel.TypeName)) {
UpdateIcon ();
}
}
}
internal class PanelHeaderEditorControl : PropertyEditorControl
{
private NSTextField propertyObjectName;
private PanelViewModel viewModel;
public PanelHeaderEditorControl (PanelViewModel viewModel)
{
if (viewModel == null)
throw new ArgumentNullException (nameof (viewModel));
this.viewModel = viewModel;
this.viewModel.PropertyChanged += ViewModel_PropertyChanged;
NSControlSize controlSize = NSControlSize.Small;
TranslatesAutoresizingMaskIntoConstraints = false;
this.propertyObjectName = new NSTextField {
ControlSize = controlSize,
Font = NSFont.FromFontName (DefaultFontName, DefaultFontSize),
PlaceholderString = LocalizationResources.ObjectNamePlaceholder,
TranslatesAutoresizingMaskIntoConstraints = false,
};
this.propertyObjectName.Activated += PropertyObjectName_Activated;
AddSubview (this.propertyObjectName);
var propertyTypeName = new UnfocusableTextField {
StringValue = viewModel.TypeName,
TranslatesAutoresizingMaskIntoConstraints = false,
};
AddSubview (propertyTypeName);
this.DoConstraints (new NSLayoutConstraint[] {
this.propertyObjectName.ConstraintTo(this, (on, c) => on.Top == c.Top + 2),
this.propertyObjectName.ConstraintTo(this, (on, c) => on.Left == c.Left + 4),
this.propertyObjectName.ConstraintTo(this, (on, c) => on.Width == c.Width - 34),
this.propertyObjectName.ConstraintTo(this, (on, c) => on.Height == DefaultControlHeight - 3),
propertyTypeName.ConstraintTo(this, (tn, c) => tn.Top == c.Top + 22),
propertyTypeName.ConstraintTo(this, (tn, c) => tn.Left == c.Left + 4),
propertyTypeName.ConstraintTo(this, (tn, c) => tn.Width == c.Width - 34),
propertyTypeName.ConstraintTo(this, (tn, c) => tn.Height == DefaultControlHeight),
});
// We won't enable or show the PropertyButton for the header
this.PropertyButton.Enabled = false;
this.PropertyButton.Hidden = true;
UpdateValue ();
}
void PropertyObjectName_Activated (object sender, EventArgs e)
{
this.viewModel.ObjectName = this.propertyObjectName.StringValue;
}
public override NSView FirstKeyView => this.propertyObjectName;
public override NSView LastKeyView => this.propertyObjectName;
protected override void HandleErrorsChanged (object sender, DataErrorsChangedEventArgs e)
{
UpdateErrorsDisplayed (viewModel.GetErrors (viewModel.GetType ().Name));
}
protected override void SetEnabled ()
{
this.propertyObjectName.Editable = !this.viewModel.IsObjectNameReadOnly;
}
protected override void UpdateAccessibilityValues ()
{
this.propertyObjectName.AccessibilityTitle = string.Format (LocalizationResources.AccessibilityObjectName, nameof (viewModel.ObjectName));
}
protected override void UpdateErrorsDisplayed (IEnumerable errors)
{
if (this.viewModel.HasErrors) {
SetErrors (errors);
} else {
SetErrors (null);
SetEnabled ();
}
}
protected override void UpdateValue ()
{
if (this.propertyObjectName != null) {
this.propertyObjectName.StringValue = this.viewModel.ObjectName ?? string.Empty;
this.propertyObjectName.Editable = !this.viewModel.IsObjectNameReadOnly;
}
}
void ViewModel_PropertyChanged (object sender, PropertyChangedEventArgs e)
{
if (e.PropertyName == nameof (PanelViewModel.ObjectName)) {
UpdateValue ();
}
}
public override nint GetHeight (EditorViewModel vm)
{
return 44;
}
}
}
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