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using System;
using System.Collections;
using System.ComponentModel;
using AppKit;
using CoreGraphics;
using System.Windows.Input;
using Xamarin.PropertyEditing.Mac.Resources;
namespace Xamarin.PropertyEditing.Mac
{
internal abstract class BaseEditorControl : NSView
{
IEnumerable errorList;
const int DefaultActioButtonSize = 16;
public event EventHandler ActionButtonClicked;
NSButton actionButton;
public NSButton ActionButton
{
get { return actionButton; }
}
PropertyButton propertyButton;
public PropertyButton PropertyButton
{
get { return propertyButton; }
}
public BaseEditorControl ()
{
propertyButton = new PropertyButton {
TranslatesAutoresizingMaskIntoConstraints = false
};
AddSubview (propertyButton);
actionButton = new NSButton {
Bordered = false,
Enabled = false,
ImageScaling = NSImageScale.AxesIndependently,
Title = string.Empty,
TranslatesAutoresizingMaskIntoConstraints = false,
AccessibilityTitle = LocalizationResources.AccessibilityActionButton,
AccessibilityHelp = LocalizationResources.AccessibilityActionButtonDescription,
};
#if DESIGNER_DEBUG
actionButton.Image = PropertyEditorPanel.ThemeManager.GetImageForTheme ("action-warning-16");
#endif
actionButton.Activated += (object sender, EventArgs e) => {
if (errorList != null) {
var Container = new ErrorMessageView (errorList);
var errorMessagePopUp = new NSPopover {
Behavior = NSPopoverBehavior.Semitransient,
ContentViewController = new NSViewController (null, null) { View = Container },
};
errorMessagePopUp.Show (default (CGRect), actionButton, NSRectEdge.MinYEdge);
}
NotifyActionButtonClicked ();
};
AddSubview (actionButton);
this.DoConstraints (new[] {
propertyButton.ConstraintTo (this, (ab, c) => ab.Width == PropertyButton.DefaultSize),
propertyButton.ConstraintTo (this, (ab, c) => ab.Height == PropertyButton.DefaultSize),
propertyButton.ConstraintTo (this, (ab, c) => ab.Top == c.Top + 1),
propertyButton.ConstraintTo (this, (ab, c) => ab.Left == c.Right - 33),
actionButton.ConstraintTo (this, (eb, c) => eb.Width == DefaultActioButtonSize),
actionButton.ConstraintTo (this, (eb, c) => eb.Height == DefaultActioButtonSize),
actionButton.ConstraintTo (propertyButton, (eb, ab) => eb.Left == ab.Left + PropertyButton.DefaultSize),
actionButton.ConstraintTo (this, (eb, c) => eb.Top == c.Top + 3), // TODO: Better centering based on the icon height
});
PropertyEditorPanel.ThemeManager.ThemeChanged += ThemeManager_ThemeChanged;
}
protected override void Dispose (bool disposing)
{
if (disposing) {
PropertyEditorPanel.ThemeManager.ThemeChanged -= ThemeManager_ThemeChanged;
}
}
void ThemeManager_ThemeChanged (object sender, EventArgs e)
{
UpdateTheme ();
}
protected void UpdateTheme ()
{
this.Appearance = PropertyEditorPanel.ThemeManager.CurrentAppearance;
}
protected void SetErrors (IEnumerable errors)
{
errorList = errors;
actionButton.Enabled = errors != null;
actionButton.Hidden = !actionButton.Enabled;
// Using NSImageName.Caution for now, we can change this later at the designers behest
actionButton.Image = actionButton.Enabled ? PropertyEditorPanel.ThemeManager.GetImageForTheme ("action-warning-16") : null;
}
void NotifyActionButtonClicked ()
{
ActionButtonClicked?.Invoke (this, EventArgs.Empty);
}
}
}
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