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using System.Collections;
using System.Collections.Generic;
using System.Linq;
using AppKit;
using Xamarin.PropertyEditing.ViewModels;
namespace Xamarin.PropertyEditing.Mac
{
internal class StringEditorControl
: EntryPropertyEditor<string>
{
public StringEditorControl (IHostResourceProvider hostResources)
: base (hostResources)
{
this.lastKeyView = Entry;
}
public override NSView LastKeyView => this.lastKeyView;
protected override void UpdateValue ()
{
base.UpdateValue ();
if (this.inputModePopup != null)
this.inputModePopup.SelectItem ((ViewModel.InputMode == null) ? string.Empty : ViewModel.InputMode.Identifier);
SetEnabled ();
}
protected override void OnViewModelChanged (PropertyViewModel oldModel)
{
base.OnViewModelChanged (oldModel);
if (ViewModel == null)
return;
RightEdgeConstraint.Active = !ViewModel.HasInputModes;
if (ViewModel.HasInputModes) {
if (this.inputModePopup == null) {
this.inputModePopup = new FocusablePopUpButton {
Menu = new NSMenu (),
ControlSize = NSControlSize.Small,
Font = NSFont.SystemFontOfSize (NSFont.SystemFontSizeForControlSize (NSControlSize.Small)),
TranslatesAutoresizingMaskIntoConstraints = false
};
this.inputModePopup.Activated += (o, e) => {
var popupButton = o as NSPopUpButton;
ViewModel.InputMode = this.viewModelInputModes.FirstOrDefault (im => im.Identifier == popupButton.Title);
};
AddSubview (this.inputModePopup);
this.editorInputModeConstraint = NSLayoutConstraint.Create (Entry, NSLayoutAttribute.Right, NSLayoutRelation.Equal, this.inputModePopup, NSLayoutAttribute.Left, 1, -4);
AddConstraints (new[] {
this.editorInputModeConstraint,
NSLayoutConstraint.Create (this.inputModePopup, NSLayoutAttribute.CenterY, NSLayoutRelation.Equal, this, NSLayoutAttribute.CenterY, 1f, 0f),
NSLayoutConstraint.Create (this.inputModePopup, NSLayoutAttribute.Right, NSLayoutRelation.Equal, this, NSLayoutAttribute.Right, 1f, 0),
NSLayoutConstraint.Create (this.inputModePopup, NSLayoutAttribute.Width, NSLayoutRelation.Equal, 1, DefaultButtonWidth),
NSLayoutConstraint.Create (this.inputModePopup, NSLayoutAttribute.Height, NSLayoutRelation.Equal, Entry, NSLayoutAttribute.Height, 1, 0),
});
this.lastKeyView = this.inputModePopup;
}
this.inputModePopup.Menu.RemoveAllItems ();
this.viewModelInputModes = ViewModel.InputModes;
foreach (InputMode item in this.viewModelInputModes) {
this.inputModePopup.Menu.AddItem (new NSMenuItem (item.Identifier));
}
}
// If we are reusing the control we'll have to hid the inputMode if this doesn't have InputMode.
if (this.inputModePopup != null) {
this.inputModePopup.Hidden = !ViewModel.HasInputModes;
this.editorInputModeConstraint.Active = ViewModel.HasInputModes;
UpdateAccessibilityValues ();
}
SetEnabled ();
}
protected override void SetEnabled ()
{
Entry.Enabled = ViewModel.Property.CanWrite && (((ViewModel.InputMode != null) && !ViewModel.InputMode.IsSingleValue) || (this.inputModePopup == null));
if (this.inputModePopup != null)
this.inputModePopup.Enabled = ViewModel.Property.CanWrite;
}
protected override void UpdateAccessibilityValues ()
{
base.UpdateAccessibilityValues ();
Entry.AccessibilityTitle = string.Format (Properties.Resources.AccessibilityString, ViewModel.Property.Name);
if (this.inputModePopup != null) {
this.inputModePopup.AccessibilityEnabled = this.inputModePopup.Enabled;
this.inputModePopup.AccessibilityTitle = string.Format (Properties.Resources.AccessibilityInputModeEditor, ViewModel.Property.Name);
}
}
private NSView lastKeyView;
private NSLayoutConstraint editorInputModeConstraint;
private NSPopUpButton inputModePopup;
private IReadOnlyList<InputMode> viewModelInputModes;
}
}
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