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Build 121209
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201
DrumKit/MainPage.xaml.cs
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201
DrumKit/MainPage.xaml.cs
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using System;
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using System.Collections.Generic;
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using System.IO;
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using System.Linq;
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using Windows.Foundation;
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using Windows.Foundation.Collections;
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using Windows.UI.Xaml;
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using Windows.UI.Xaml.Controls;
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using Windows.UI.Xaml.Controls.Primitives;
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using Windows.UI.Xaml.Data;
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using Windows.UI.Xaml.Input;
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using Windows.UI.Xaml.Media;
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using Windows.UI.Xaml.Navigation;
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// The Blank Page item template is documented at http://go.microsoft.com/fwlink/?LinkId=234238
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namespace DrumKit
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{
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/// <summary>
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/// An empty page that can be used on its own or navigated to within a Frame.
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/// </summary>
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public sealed partial class MainPage : Page
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{
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DrumRepository drumRepo;
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SoundPlayer player = new SoundPlayer();
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List<Image> uiImages;
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List<Button> uiButtons;
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List<Thumb> uiThumbs;
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public MainPage()
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{
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this.InitializeComponent();
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drumRepo = new DrumRepository();
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uiImages = new List<Image>();
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uiButtons = new List<Button>();
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uiThumbs = new List<Thumb>();
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this.InitializeResources();
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this.KeyDown += MainPage_KeyDown;
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}
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void MainPage_KeyDown(object sender, KeyRoutedEventArgs e)
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{
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string key = Enum.GetName(typeof(Windows.System.VirtualKey), e.Key);
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if (key != null && key.Length == 1)
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{
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int index = Convert.ToInt32(key.ToLower()[0] - 'a');
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if (this.uiButtons.Count > index)
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this.DrumClicked(this.uiButtons[index], new RoutedEventArgs());
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}
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}
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Image CreateImage(int index, Drum drum)
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{
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var img = new Image();
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var bitmap = new Windows.UI.Xaml.Media.Imaging.BitmapImage(drum.ImageSource);
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img.Tag = index.ToString();
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img.Source = bitmap;
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img.Width = drum.Size * this.ActualWidth;
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img.Height = drum.Size * this.ActualWidth;
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return img;
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}
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Button CreateButton(int index, Drum drum)
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{
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var button = new Button();
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button.Tag = index.ToString();
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button.Click += DrumClicked;
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button.Width = drum.Size * this.ActualWidth;
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button.Height = drum.Size * this.ActualWidth;
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button.Background = new SolidColorBrush(Windows.UI.Colors.Orange);
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button.Opacity = 0;
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return button;
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}
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Thumb CreateThumb(int index, Drum drum)
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{
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var thumb = new Thumb();
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thumb.Tag = index.ToString();
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thumb.DragDelta += DrumMoved;
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thumb.Width = drum.Size * this.ActualWidth;
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thumb.Height = drum.Size * this.ActualWidth;
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thumb.Opacity = .3;
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thumb.Background = new SolidColorBrush(Windows.UI.Colors.Green);
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thumb.Visibility = Windows.UI.Xaml.Visibility.Collapsed;
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return thumb;
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}
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async void InitializeResources()
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{
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await drumRepo.LoadFile(new Uri("ms-appx:///Assets/default"));
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for (int i = 0; i < drumRepo.Drums.Count; i++)
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{
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var drum = drumRepo.Drums[i];
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// Get ui objects
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var img = CreateImage(i, drum);
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var button = CreateButton(i, drum);
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var thumb = CreateThumb(i, drum);
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// Set up layout
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this.myCanvas.Children.Add(img);
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this.myCanvas.Children.Add(button);
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this.myCanvas.Children.Add(thumb);
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Canvas.SetLeft(img, drum.Position.X * this.ActualWidth);
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Canvas.SetLeft(button, drum.Position.X * this.ActualWidth);
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Canvas.SetLeft(thumb, drum.Position.X * this.ActualWidth);
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Canvas.SetTop(img, drum.Position.Y * this.ActualHeight);
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Canvas.SetTop(button, drum.Position.Y * this.ActualHeight);
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Canvas.SetTop(thumb, drum.Position.Y * this.ActualHeight);
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Canvas.SetZIndex(img, 0);
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Canvas.SetZIndex(button, 1);
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Canvas.SetZIndex(thumb, 2);
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// Add to our list
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this.uiImages.Add(img);
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this.uiButtons.Add(button);
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this.uiThumbs.Add(thumb);
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}
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// Add drums
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this.player.AddDrums(this.drumRepo.Drums);
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}
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void DrumClicked(object sender, RoutedEventArgs e)
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{
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var button = sender as Button;
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if (button == null) return;
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var tag = button.Tag as string;
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if (tag == null) return;
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int index = int.Parse(tag);
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this.player.Play(this.drumRepo.Drums[index].Name + "0");
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}
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void DrumMoved(object sender, DragDeltaEventArgs e)
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{
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var thumb = sender as Thumb;
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if (thumb == null) return;
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var tag = thumb.Tag as string;
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if (tag == null) return;
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int index = int.Parse(tag);
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Canvas.SetLeft(uiImages[index], Canvas.GetLeft(uiImages[index]) + e.HorizontalChange);
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Canvas.SetLeft(uiButtons[index], Canvas.GetLeft(uiButtons[index]) + e.HorizontalChange);
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Canvas.SetLeft(uiThumbs[index], Canvas.GetLeft(uiThumbs[index]) + e.HorizontalChange);
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Canvas.SetTop(uiImages[index], Canvas.GetTop(uiImages[index]) + e.VerticalChange);
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Canvas.SetTop(uiButtons[index], Canvas.GetTop(uiButtons[index]) + e.VerticalChange);
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Canvas.SetTop(uiThumbs[index], Canvas.GetTop(uiThumbs[index]) + e.VerticalChange);
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drumRepo.Drums[index].Position = new Point(drumRepo.Drums[index].Position.X + e.HorizontalChange, drumRepo.Drums[index].Position.Y + e.VerticalChange);
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}
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/// <summary>
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/// Invoked when this page is about to be displayed in a Frame.
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/// </summary>
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/// <param name="e">Event data that describes how this page was reached. The Parameter
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/// property is typically used to configure the page.</param>
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protected override void OnNavigatedTo(NavigationEventArgs e)
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{
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}
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private async void mybutton_Click_1(object sender, RoutedEventArgs e)
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{
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var picker = new Windows.Storage.Pickers.FileOpenPicker();
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picker.SuggestedStartLocation = Windows.Storage.Pickers.PickerLocationId.MusicLibrary;
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picker.FileTypeFilter.Add("*");
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var file = await picker.PickSingleFileAsync();
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//blabla.Source = new Uri(file.Path);
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//blabla.Play();
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}
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private void buttonEditMode_Click_1(object sender, RoutedEventArgs e)
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{
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var button = sender as ToggleButton;
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if (button == null) return;
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// Fix togglebuton style bug
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VisualStateManager.GoToState(button, button.IsChecked.Value ? "Checked" : "Unchecked", false);
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// Change visibility of thumbs
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bool visible = (buttonEditMode.IsChecked.HasValue && buttonEditMode.IsChecked.Value);
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foreach (var i in this.uiThumbs)
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if (visible) i.Visibility = Windows.UI.Xaml.Visibility.Visible;
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else i.Visibility = Windows.UI.Xaml.Visibility.Collapsed;
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}
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}
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}
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