107 lines
2.9 KiB
C#
107 lines
2.9 KiB
C#
/*
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* Copyright (c) 2019 ETH Zürich, Educational Development and Technology (LET)
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*
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* This Source Code Form is subject to the terms of the Mozilla Public
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* License, v. 2.0. If a copy of the MPL was not distributed with this
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* file, You can obtain one at http://mozilla.org/MPL/2.0/.
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*/
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using System;
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using System.Linq;
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using System.Threading.Tasks;
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using System.Windows.Controls;
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using System.Windows.Media;
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using SafeExamBrowser.I18n.Contracts;
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using SafeExamBrowser.SystemComponents.Contracts.Keyboard;
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using SafeExamBrowser.UserInterface.Contracts.Shell;
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namespace SafeExamBrowser.UserInterface.Desktop.Controls
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{
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public partial class TaskbarKeyboardLayoutControl : UserControl, ISystemControl
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{
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private IKeyboard keyboard;
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private IText text;
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public TaskbarKeyboardLayoutControl(IKeyboard keyboard, IText text)
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{
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this.keyboard = keyboard;
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this.text = text;
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InitializeComponent();
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InitializeKeyboardLayoutControl();
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}
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public void Close()
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{
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Dispatcher.Invoke(() => Popup.IsOpen = false);
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}
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private void InitializeKeyboardLayoutControl()
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{
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var originalBrush = Button.Background;
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InitializeLayouts();
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keyboard.LayoutChanged += Keyboard_LayoutChanged;
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Button.Click += (o, args) => Popup.IsOpen = !Popup.IsOpen;
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Button.MouseLeave += (o, args) => Task.Delay(250).ContinueWith(_ => Dispatcher.Invoke(() => Popup.IsOpen = Popup.IsMouseOver));
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Popup.MouseLeave += (o, args) => Task.Delay(250).ContinueWith(_ => Dispatcher.Invoke(() => Popup.IsOpen = IsMouseOver));
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Popup.Opened += (o, args) =>
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{
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Background = Brushes.LightGray;
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Button.Background = Brushes.LightGray;
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};
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Popup.Closed += (o, args) =>
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{
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Background = originalBrush;
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Button.Background = originalBrush;
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};
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}
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private void Keyboard_LayoutChanged(IKeyboardLayout layout)
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{
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Dispatcher.InvokeAsync(() => SetCurrent(layout));
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}
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private void InitializeLayouts()
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{
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foreach (var layout in keyboard.GetLayouts())
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{
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var button = new TaskbarKeyboardLayoutButton(layout);
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button.LayoutSelected += (o, args) => ActivateLayout(layout);
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LayoutsStackPanel.Children.Add(button);
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if (layout.IsCurrent)
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{
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SetCurrent(layout);
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}
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}
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}
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private void ActivateLayout(IKeyboardLayout layout)
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{
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Popup.IsOpen = false;
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keyboard.ActivateLayout(layout.Id);
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}
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private void SetCurrent(IKeyboardLayout layout)
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{
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var name = layout.Name?.Length > 3 ? String.Join(string.Empty, layout.Name.Split(' ').Where(s => Char.IsLetter(s.First())).Select(s => s.First())) : layout.Name;
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var tooltip = text.Get(TextKey.SystemControl_KeyboardLayoutTooltip).Replace("%%LAYOUT%%", layout.Name);
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foreach (var child in LayoutsStackPanel.Children)
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{
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if (child is TaskbarKeyboardLayoutButton layoutButton)
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{
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layoutButton.IsCurrent = layout.Id == layoutButton.LayoutId;
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}
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}
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LayoutCultureCode.Text = layout.CultureCode;
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Button.ToolTip = tooltip;
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}
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}
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}
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