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using System;
using System.Collections;
using System.ComponentModel;
using AppKit;
using CoreGraphics;
using Xamarin.PropertyEditing.Drawing;
using Xamarin.PropertyEditing.Mac.Resources;
using Xamarin.PropertyEditing.ViewModels;
namespace Xamarin.PropertyEditing.Mac
{
internal class ColorPopUpButton : NSPopUpButton
{
public ColorPopUpButton () : base ()
{
}
public ColorPopUpButton (CGRect frame) : base (frame, true)
{
}
public ColorPopUpButton (IntPtr handle) : base (handle)
{
}
public NSPopover Popover { get; set; }
public override void MouseDown (NSEvent theEvent)
{
if (Popover == null)
return;
if (!Popover.Shown) {
Popover.Show (new CGRect (26, this.Frame.Height / 2 - 2, 2, 2), this, NSRectEdge.MinYEdge);
Window.MakeFirstResponder (Popover);
}
}
public override void KeyDown (NSEvent theEvent)
{
if (theEvent.KeyCode == 36 || theEvent.KeyCode == 49) {
MouseDown (theEvent);
}
else {
base.KeyDown (theEvent);
}
}
}
internal class BrushEditorControl : PropertyEditorControl<BrushPropertyViewModel>
{
public BrushEditorControl (IHostResourceProvider hostResources)
: base (hostResources)
{
TranslatesAutoresizingMaskIntoConstraints = false;
this.previewLayer = new CommonBrushLayer (hostResources) {
Frame = new CGRect (0, 0, 30, 10)
};
this.popover = new NSPopover {
Behavior = NSPopoverBehavior.Transient,
ContentViewController = this.brushTabViewController = new BrushTabViewController (hostResources) {
PreferredContentSize = new CGSize (550, 363)
}
};
this.popUpButton = new ColorPopUpButton {
Font = NSFont.FromFontName (DefaultFontName, DefaultFontSize),
TranslatesAutoresizingMaskIntoConstraints = false,
};
this.popupButtonList = new NSMenu ();
this.popUpButton.Menu = this.popupButtonList;
AddSubview (this.popUpButton);
this.AddConstraints (new[] {
NSLayoutConstraint.Create (this.popUpButton, NSLayoutAttribute.Top, NSLayoutRelation.Equal, this, NSLayoutAttribute.Top, 1f, 2f),
NSLayoutConstraint.Create (this.popUpButton, NSLayoutAttribute.Width, NSLayoutRelation.Equal, this, NSLayoutAttribute.Width, 1f, -32f),
NSLayoutConstraint.Create (this.popUpButton, NSLayoutAttribute.Height, NSLayoutRelation.Equal, 1f, DefaultControlHeight - 3),
});
ViewDidChangeEffectiveAppearance ();
}
public override void ViewDidChangeEffectiveAppearance ()
{
base.ViewDidChangeEffectiveAppearance ();
this.popover.SetAppearance (HostResources.GetVibrantAppearance (EffectiveAppearance));
this.popover.ContentViewController.View.Appearance = EffectiveAppearance;
}
readonly ColorPopUpButton popUpButton;
readonly NSPopover popover;
readonly BrushTabViewController brushTabViewController;
readonly NSMenu popupButtonList;
readonly CommonBrushLayer previewLayer;
public override NSView FirstKeyView => this.popUpButton;
public override NSView LastKeyView => this.popUpButton;
protected override void HandleErrorsChanged (object sender, DataErrorsChangedEventArgs e)
{
}
protected override void SetEnabled ()
{
this.popUpButton.Enabled = this.ViewModel?.Property.CanWrite ?? false;
}
protected override void UpdateAccessibilityValues ()
{
}
protected override void UpdateErrorsDisplayed (IEnumerable errors)
{
}
string GetTitle ()
{
var title = LocalizationResources.CommonBrushTitleUnknown;
switch (ViewModel.Value) {
case CommonSolidBrush solid:
title = solid.Color.ToString ();
break;
case CommonGradientBrush gradient:
title = LocalizationResources.CommonBrushTitleGradient;
break;
default:
if (ViewModel.Value == null)
title = Properties.Resources.NoBrush;
break;
}
return title;
}
protected override void UpdateValue ()
{
this.brushTabViewController.ViewModel = ViewModel;
this.popUpButton.Popover = (ViewModel?.Property.CanWrite ?? false) ? this.popover : null;
if (ViewModel.Solid != null) {
var title = GetTitle ();
if (this.popupButtonList.Count == 0)
this.popupButtonList.AddItem (new NSMenuItem ());
this.previewLayer.Brush = ViewModel.Value;
var item = this.popupButtonList.ItemAt (0);
if (item.Title != title) {
item.Title = title;
item.Image = this.previewLayer.RenderPreview ();
}
}
}
}
}
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