/// <summary>
/// Starts playing the song
/// </summary>
private void StartPlayingSong()
{
stepgrid.Children.Add(highlights[0], 0, 0);
Grid.SetRowSpan(highlights[0], highlight2StartRow);
stepgrid.Children.Add(highlights[1], 0, highlight2StartRow);
Grid.SetRowSpan(highlights[1], NumRows - highlight2StartRow);
player.BeginPlaying(song);
//We call this after BeginPlaying because we know no more notes will try to play.
//If we did it before, the user could theoretically start a note playing in between StopPlayingNote and BeginPlaying and it
//wouldn't be stopped
SingleNotePlayer.StopPlayingNote();
playStopButton.Image = stopImageName;
}
public MainPage()
{
InitializeComponent();
// Initializing the song player and noteArray
noteArray = new SongPlayer.Note[NumColumns, NumRows]; //stored this way because C# is row-major and we want to access a column at a time
player = new SongPlayer(noteArray);
// Initializing the colorMap
colorMap = new Dictionary <Color, SongPlayer.Instrument>();
colorMap[Red] = player.LoadInstrument("Snare");
colorMap[Blue] = player.LoadInstrument("YRM1x Atmosphere");
colorMap[Green] = player.LoadInstrument("Bass Drum");
colorMap[Yellow] = player.LoadInstrument("Hi-Hat");
// Initialize color of highlighted buttons
highLightedGrey = HighLightedVersion(Grey);
highLightedRed = HighLightedVersion(Red);
highLightedBlue = HighLightedVersion(Blue);
highLightedGreen = HighLightedVersion(Green);
highLightedYellow = HighLightedVersion(Yellow);
// Initaialize the array of buttons
buttonArray = new Button[NumColumns, NumRows]; //stored this way because C# is row-major and we want to access a column at a time
BackgroundColor = Color.FromHex("#000000"); // Make background color black
Style greyButton = new Style(typeof(Button)) // Button style for testing grid
{
Setters =
{
new Setter {
Property = Button.BackgroundColorProperty, Value = Grey
},
new Setter {
Property = Button.BorderRadiusProperty, Value = 0
},
}
};
//Set up a master grid with 2 columns to eventually place stepgrid and sidebar in.
mastergrid = new Grid {
ColumnSpacing = 2
};
mastergrid.ColumnDefinitions.Add(new ColumnDefinition {
Width = new GridLength(8, GridUnitType.Star)
});
mastergrid.ColumnDefinitions.Add(new ColumnDefinition {
Width = new GridLength(1, GridUnitType.Star)
});
//Set up grid of note squares
stepgrid = new Grid {
ColumnSpacing = 2, RowSpacing = 2
};
//Initialize the number of rows and columns
for (int i = 0; i < NumRows; i++)
{
stepgrid.RowDefinitions.Add(new RowDefinition {
Height = new GridLength(1, GridUnitType.Star)
});
}
for (int i = 0; i < NumColumns; i++)
{
stepgrid.ColumnDefinitions.Add(new ColumnDefinition {
Width = new GridLength(1, GridUnitType.Star)
});
}
//Add the note buttons to the grid
for (int i = 0; i < NumRows; i++)
{
for (int j = 0; j < NumColumns; j++)
{
Button button = new Button {
Style = greyButton
}; // Make a new button
stepgrid.Children.Add(button, j, i); // Add it to the grid
button.Clicked += OnButtonClicked; // Add it to stepsquare event handler
noteArray[j, i] = SongPlayer.Note.None; // Add a placeholder to songArray
buttonArray[j, i] = button; // Add button to buttonArray
}
}
// Make the sidebar
sidebar = new Grid {
ColumnSpacing = 1, RowSpacing = 1
};
for (int i = 0; i < NumInstruments; i++)
{
sidebar.RowDefinitions.Add(new RowDefinition {
Height = new GridLength(1, GridUnitType.Star)
});
}
sidebar.ColumnDefinitions.Add(new ColumnDefinition {
Width = new GridLength(1, GridUnitType.Star)
});
// Fill sidebar it with buttons
Color[] colors = new Color[] { Red, Blue, Green, Yellow }; // Array of colors
for (int i = 0; i < colors.Length; i++)
{
Button button = new Button {
BackgroundColor = colors[i], BorderColor = Color.Black, BorderWidth = 3
}; // Make a new button
sidebar.Children.Add(button, 0, i); // Add it to the sidebar
button.Clicked += OnSidebarClicked; // Add to sidebar event handler
}
// Set up scroll view and put grid inside it
scroller = new ScrollView {
Orientation = ScrollOrientation.Vertical //Both vertical and horizontal orientation
};
scroller.Content = stepgrid;
// Add the scroller (which contains stepgrid) and sidebar to mastergrid
mastergrid.Children.Add(scroller, 0, 0); // Add scroller to first column of mastergrid
mastergrid.Children.Add(sidebar, 1, 0); // Add sidebar to final column of mastergrid
//Grid.SetRowSpan(sidebar, NumRows); // Make sure that it spans the whole column
Content = mastergrid;
player.BeatStarted += HighlightColumns;
player.BeginPlaying(240);
}