using System;
using System.Drawing;
using System.Collections;
using System.ComponentModel;
using System.Windows.Forms;
using System.Data;
using System.IO;
using Microsoft.DirectX;
using Microsoft.DirectX.DirectSound;
using Buffer = Microsoft.DirectX.DirectSound.SecondaryBuffer;
using System.Threading;

namespace Bluebird
{
	/// <summary>
	/// Welcome to Bluebird.
	/// April 29, 2004
	/// Elise London
	/// Jasen Hoover
	/// Konrad Reszka
	/// </summary>
	public class BlueBird : System.Windows.Forms.Form {
		//public variables to constantly tell display panel what to draw
		public ArrayList measures;
		public int curMeasure = 0;
		public int curClip = 0;
		bool isPlaying = false;
		int STARTNUMMEASURES = 1;

		private Buffer[] below20Buffers;
		private Buffer[] tensBuffers;
		private Buffer[] hundredsBuffers;
		private Buffer and;

		//Thread used for playing to be able to wait for user IO at the same time
		Thread playThread;
		Thread measureThread;

		//Buffer for all cues
		private SecondaryBuffer soundBuffer;
		
		private SecondaryBuffer measureBuffer;
		private SecondaryBuffer instructions;

		private Device ApplicationDevice;
		private string PathSoundFile = string.Empty;

		//Instrument and Control buttons
		public System.Windows.Forms.Button Guitar;
		private System.Windows.Forms.Button Bass;
		private System.Windows.Forms.Button Vocals;
		private System.Windows.Forms.Button Keyboard;
		private System.Windows.Forms.GroupBox Instruments;
		private System.Windows.Forms.Button PlayStop;
		private System.Windows.Forms.Button Insert;
		private System.Windows.Forms.Button Last;
		private System.Windows.Forms.Button PlaySingle;
		private System.Windows.Forms.GroupBox ControlsGroup;
		private System.Windows.Forms.GroupBox Measures;
		private System.Windows.Forms.Button Drum;
		private System.Windows.Forms.Button First;
		private System.Windows.Forms.Button StartOver;
		private System.Windows.Forms.Button Quit;
		private System.Windows.Forms.Button Delete;
		private System.Windows.Forms.Button Loop;

		//generates the display
		private DisplayPanel myDisplayPanel;

		/// <summary>
		/// Required designer variable
		/// </summary>
		private System.ComponentModel.Container components = null;
	
		public BlueBird()
		{
			//start with STARTNUMMEASURES as non null measures
			measures = new ArrayList(STARTNUMMEASURES);
			for(int i = 0; i < STARTNUMMEASURES; i++) 
			{
				Measure newMeasure = new Measure();
				measures.Insert(i, newMeasure);
			}


			//
			// Required for Windows Form Designer support
			//
			InitializeComponent();
			Application.AddMessageFilter(new TestMessageFilter(this));

			this.IsAccessible = true;
			foreach (Control current in this.Controls)
				current.IsAccessible = true;

			//
			// TODO: Add any constructor code after InitializeComponent call
			//
			myDisplayPanel = new DisplayPanel(measures, curMeasure);
			this.Measures.Controls.Add(this.myDisplayPanel);
			this.myDisplayPanel.Location = new System.Drawing.Point(16, 24);
			this.myDisplayPanel.Name = "myDisplayPanel";
			this.myDisplayPanel.Size = new System.Drawing.Size(824, 168);
			this.myDisplayPanel.TabIndex = 0;

			ApplicationDevice = new Device();
			ApplicationDevice.SetCooperativeLevel(this, CooperativeLevel.Priority);
			
			soundBuffer = new SecondaryBuffer( "displayBlank.wav", ApplicationDevice );
			below20Buffers = new Buffer[20];
			tensBuffers = new Buffer[8];
			hundredsBuffers = new Buffer[2];
			this.initNumberBuffers();

			and = new Buffer( "numberAnd.wav", ApplicationDevice );

			measureBuffer = new SecondaryBuffer( "displayMeasure.wav", ApplicationDevice);
			instructions = new SecondaryBuffer( "Instructions.wav", ApplicationDevice );
			instructions.Play(0,BufferPlayFlags.Default);
		}

		/// <summary>
		/// Clean up any resources being used.
		/// </summary>
		protected override void Dispose( bool disposing )
		{
			if(playThread != null)
				playThread.Abort();

			if( disposing )
			{
				if (components != null) 
				{
					components.Dispose();

				}
			}
			base.Dispose( disposing );
		}


		/*Handles Key events from User 
		 * Left Arrow - Shifts left a measure
		 * Right Arrow - Shifts right a measure
		 * Up Arrow - Shifts up a clip
		 * Down Arrow - Shifts down a clip
		 * Enter - Deletes the current highlighted clip
		 * J - Plays the current highlighted clip
		 * Escape - Stops any cues from playing
		 * H - HELP, plays instructions for shortcut keys
		 * S - Stops and Starts Play
		 * I - Reads the instructions
		 * Q - Quits
		 * D - Deletes the current measure
		 * C - Plays current measure
		 */
		public bool HandleKeys(Keys keyData)
		{
			bool ret = true;

			switch (keyData)
			{
				case Keys.Left:		//shifts a measure to the left
					shiftLeft();
					break;
				case Keys.Right:	//shifts a measure to the right
					shiftRight();
					break;
				case Keys.Up:		//shifts up one clip
					shiftUp();
					break;
				case Keys.Down:		//shifts down one clip
					shiftDown();
					break;
				case Keys.Enter:	//deletes a clip
					deleteClip();
					break;
				case Keys.J:		//plays the currently selected clip
					jPressed();
					break;
				case Keys.Escape:	//stops audio cues
					this.clearBuffer();
					this.clearInstructions();
					break;
				case Keys.H:		//Help: plays short cut key instrs.
					shortCuts();	//NEED TO DO THIS~!!@!#$
					break;
				case Keys.S:		//starts or stops the music
					playStop();
					break;
				case Keys.I:		//reads the instructions
					readInstructions();
					break;
				case Keys.D:		//deletes  a measure
					deleteMeasure();
					break;
				case Keys.Q:		//quits
					this.Dispose(true);
					break;
				case Keys.C:		//plays the current measure
					this.playCur();
					break;
				default:
					ret = base.IsInputKey(keyData);
					break;
			}
			return ret;
		}

		#region Windows Form Designer generated code
		/// <summary>
		/// Required method for Designer support - do not modify
		/// the contents of this method with the code editor.
		/// </summary>
		private void InitializeComponent()
		{
			System.Resources.ResourceManager resources = new System.Resources.ResourceManager(typeof(BlueBird));
			this.Guitar = new System.Windows.Forms.Button();
			this.Bass = new System.Windows.Forms.Button();
			this.Keyboard = new System.Windows.Forms.Button();
			this.Vocals = new System.Windows.Forms.Button();
			this.Instruments = new System.Windows.Forms.GroupBox();
			this.Drum = new System.Windows.Forms.Button();
			this.ControlsGroup = new System.Windows.Forms.GroupBox();
			this.Loop = new System.Windows.Forms.Button();
			this.Quit = new System.Windows.Forms.Button();
			this.Delete = new System.Windows.Forms.Button();
			this.StartOver = new System.Windows.Forms.Button();
			this.PlaySingle = new System.Windows.Forms.Button();
			this.Last = new System.Windows.Forms.Button();
			this.Insert = new System.Windows.Forms.Button();
			this.PlayStop = new System.Windows.Forms.Button();
			this.First = new System.Windows.Forms.Button();
			this.Measures = new System.Windows.Forms.GroupBox();
			this.Instruments.SuspendLayout();
			this.ControlsGroup.SuspendLayout();
			this.SuspendLayout();
			// 
			// Guitar
			// 
			this.Guitar.AccessibleDescription = "Guitar";
			this.Guitar.AccessibleName = "Guitar";
			this.Guitar.FlatStyle = System.Windows.Forms.FlatStyle.System;
			this.Guitar.Location = new System.Drawing.Point(16, 24);
			this.Guitar.Name = "Guitar";
			this.Guitar.Size = new System.Drawing.Size(168, 168);
			this.Guitar.TabIndex = 0;
			this.Guitar.Text = "Guitar";
			this.Guitar.Click += new System.EventHandler(this.Instrument_Click);
			this.Guitar.Enter += new System.EventHandler(this.Button_Enter);
			// 
			// Bass
			// 
			this.Bass.AccessibleDescription = "Bass";
			this.Bass.AccessibleName = "Bass";
			this.Bass.FlatStyle = System.Windows.Forms.FlatStyle.System;
			this.Bass.Location = new System.Drawing.Point(176, 24);
			this.Bass.Name = "Bass";
			this.Bass.Size = new System.Drawing.Size(168, 168);
			this.Bass.TabIndex = 1;
			this.Bass.Text = "Bass";
			this.Bass.Click += new System.EventHandler(this.Instrument_Click);
			this.Bass.Enter += new System.EventHandler(this.Button_Enter);
			// 
			// Keyboard
			// 
			this.Keyboard.AccessibleDescription = "Keyboard";
			this.Keyboard.AccessibleName = "Keyboard";
			this.Keyboard.FlatStyle = System.Windows.Forms.FlatStyle.System;
			this.Keyboard.Location = new System.Drawing.Point(520, 24);
			this.Keyboard.Name = "Keyboard";
			this.Keyboard.Size = new System.Drawing.Size(168, 168);
			this.Keyboard.TabIndex = 3;
			this.Keyboard.Text = "Keyboard";
			this.Keyboard.Click += new System.EventHandler(this.Instrument_Click);
			this.Keyboard.Enter += new System.EventHandler(this.Button_Enter);
			// 
			// Vocals
			// 
			this.Vocals.AccessibleDescription = "Vocals";
			this.Vocals.AccessibleName = "Vocals";
			this.Vocals.FlatStyle = System.Windows.Forms.FlatStyle.System;
			this.Vocals.Location = new System.Drawing.Point(688, 24);
			this.Vocals.Name = "Vocals";
			this.Vocals.Size = new System.Drawing.Size(160, 168);
			this.Vocals.TabIndex = 4;
			this.Vocals.Text = "Misc";
			this.Vocals.Click += new System.EventHandler(this.Instrument_Click);
			this.Vocals.Enter += new System.EventHandler(this.Button_Enter);
			// 
			// Instruments
			// 
			this.Instruments.AccessibleDescription = "Here are the selections for the various sounds you can make!";
			this.Instruments.AccessibleName = "Instruments";
			this.Instruments.Controls.Add(this.Drum);
			this.Instruments.Controls.Add(this.Guitar);
			this.Instruments.Controls.Add(this.Vocals);
			this.Instruments.Controls.Add(this.Bass);
			this.Instruments.Controls.Add(this.Keyboard);
			this.Instruments.FlatStyle = System.Windows.Forms.FlatStyle.System;
			this.Instruments.Location = new System.Drawing.Point(16, 16);
			this.Instruments.Name = "Instruments";
			this.Instruments.Size = new System.Drawing.Size(864, 208);
			this.Instruments.TabIndex = 5;
			this.Instruments.TabStop = false;
			this.Instruments.Text = "Instruments";
			// 
			// Drum
			// 
			this.Drum.FlatStyle = System.Windows.Forms.FlatStyle.System;
			this.Drum.Location = new System.Drawing.Point(352, 24);
			this.Drum.Name = "Drum";
			this.Drum.Size = new System.Drawing.Size(168, 168);
			this.Drum.TabIndex = 2;
			this.Drum.Text = "Drums";
			this.Drum.Click += new System.EventHandler(this.Instrument_Click);
			this.Drum.Enter += new System.EventHandler(this.Button_Enter);
			// 
			// ControlsGroup
			// 
			this.ControlsGroup.Controls.Add(this.Loop);
			this.ControlsGroup.Controls.Add(this.Quit);
			this.ControlsGroup.Controls.Add(this.Delete);
			this.ControlsGroup.Controls.Add(this.StartOver);
			this.ControlsGroup.Controls.Add(this.PlaySingle);
			this.ControlsGroup.Controls.Add(this.Last);
			this.ControlsGroup.Controls.Add(this.Insert);
			this.ControlsGroup.Controls.Add(this.PlayStop);
			this.ControlsGroup.Controls.Add(this.First);
			this.ControlsGroup.FlatStyle = System.Windows.Forms.FlatStyle.System;
			this.ControlsGroup.Location = new System.Drawing.Point(16, 240);
			this.ControlsGroup.Name = "ControlsGroup";
			this.ControlsGroup.Size = new System.Drawing.Size(864, 136);
			this.ControlsGroup.TabIndex = 6;
			this.ControlsGroup.TabStop = false;
			this.ControlsGroup.Text = "Controls";
			// 
			// Loop
			// 
			this.Loop.FlatStyle = System.Windows.Forms.FlatStyle.System;
			this.Loop.Location = new System.Drawing.Point(192, 24);
			this.Loop.Name = "Loop";
			this.Loop.Size = new System.Drawing.Size(152, 40);
			this.Loop.TabIndex = 7;
			this.Loop.Text = "Loop";
			this.Loop.Click += new System.EventHandler(this.Loop_Click);
			this.Loop.Enter += new System.EventHandler(this.Button_Enter);
			// 
			// Quit
			// 
			this.Quit.AccessibleDescription = "Quit Button";
			this.Quit.FlatStyle = System.Windows.Forms.FlatStyle.System;
			this.Quit.Location = new System.Drawing.Point(648, 80);
			this.Quit.Name = "Quit";
			this.Quit.Size = new System.Drawing.Size(192, 40);
			this.Quit.TabIndex = 14;
			this.Quit.Text = "Quit";
			this.Quit.Click += new System.EventHandler(this.Quit_Click);
			this.Quit.Enter += new System.EventHandler(this.Button_Enter);
			// 
			// Delete
			// 
			this.Delete.AccessibleDescription = "Delete Single Measure";
			this.Delete.FlatStyle = System.Windows.Forms.FlatStyle.System;
			this.Delete.Location = new System.Drawing.Point(696, 24);
			this.Delete.Name = "Delete";
			this.Delete.Size = new System.Drawing.Size(144, 40);
			this.Delete.TabIndex = 10;
			this.Delete.Text = "Delete Single Measure";
			this.Delete.Click += new System.EventHandler(this.Delete_Click);
			// 
			// StartOver
			// 
			this.StartOver.FlatStyle = System.Windows.Forms.FlatStyle.System;
			this.StartOver.Location = new System.Drawing.Point(440, 80);
			this.StartOver.Name = "StartOver";
			this.StartOver.Size = new System.Drawing.Size(192, 40);
			this.StartOver.TabIndex = 13;
			this.StartOver.Text = "Start Over";
			this.StartOver.Click += new System.EventHandler(this.StartOver_Click);
			this.StartOver.Enter += new System.EventHandler(this.Button_Enter);
			// 
			// PlaySingle
			// 
			this.PlaySingle.FlatStyle = System.Windows.Forms.FlatStyle.System;
			this.PlaySingle.Location = new System.Drawing.Point(360, 24);
			this.PlaySingle.Name = "PlaySingle";
			this.PlaySingle.Size = new System.Drawing.Size(152, 40);
			this.PlaySingle.TabIndex = 8;
			this.PlaySingle.Text = "Play Single Measure";
			this.PlaySingle.Click += new System.EventHandler(this.PlaySingle_Click);
			this.PlaySingle.Enter += new System.EventHandler(this.Button_Enter);
			// 
			// Last
			// 
			this.Last.FlatStyle = System.Windows.Forms.FlatStyle.System;
			this.Last.Location = new System.Drawing.Point(232, 80);
			this.Last.Name = "Last";
			this.Last.Size = new System.Drawing.Size(192, 40);
			this.Last.TabIndex = 12;
			this.Last.Text = "Go to Last Measure";
			this.Last.Click += new System.EventHandler(this.Last_Click);
			this.Last.Enter += new System.EventHandler(this.Button_Enter);
			// 
			// Insert
			// 
			this.Insert.FlatStyle = System.Windows.Forms.FlatStyle.System;
			this.Insert.Location = new System.Drawing.Point(528, 24);
			this.Insert.Name = "Insert";
			this.Insert.Size = new System.Drawing.Size(152, 40);
			this.Insert.TabIndex = 9;
			this.Insert.Text = "Insert Single Measure";
			this.Insert.Click += new System.EventHandler(this.Insert_Click);
			this.Insert.Enter += new System.EventHandler(this.Button_Enter);
			// 
			// PlayStop
			// 
			this.PlayStop.FlatStyle = System.Windows.Forms.FlatStyle.System;
			this.PlayStop.Location = new System.Drawing.Point(24, 24);
			this.PlayStop.Name = "PlayStop";
			this.PlayStop.Size = new System.Drawing.Size(152, 40);
			this.PlayStop.TabIndex = 6;
			this.PlayStop.Text = "Play";
			this.PlayStop.Click += new System.EventHandler(this.PlayStop_Click);
			this.PlayStop.Enter += new System.EventHandler(this.Button_Enter);
			// 
			// First
			// 
			this.First.FlatStyle = System.Windows.Forms.FlatStyle.System;
			this.First.Location = new System.Drawing.Point(24, 80);
			this.First.Name = "First";
			this.First.Size = new System.Drawing.Size(192, 40);
			this.First.TabIndex = 11;
			this.First.Text = "Go to First Measure";
			this.First.Click += new System.EventHandler(this.First_Click);
			this.First.Enter += new System.EventHandler(this.Button_Enter);
			// 
			// Measures
			// 
			this.Measures.FlatStyle = System.Windows.Forms.FlatStyle.System;
			this.Measures.Location = new System.Drawing.Point(16, 392);
			this.Measures.Name = "Measures";
			this.Measures.Size = new System.Drawing.Size(864, 208);
			this.Measures.TabIndex = 7;
			this.Measures.TabStop = false;
			this.Measures.Text = "Measures";
			// 
			// BlueBird
			// 
			this.AccessibleDescription = "Main";
			this.AccessibleName = "Main";
			this.AutoScaleBaseSize = new System.Drawing.Size(5, 13);
			this.ClientSize = new System.Drawing.Size(896, 616);
			this.Controls.Add(this.Measures);
			this.Controls.Add(this.ControlsGroup);
			this.Controls.Add(this.Instruments);
			this.FormBorderStyle = System.Windows.Forms.FormBorderStyle.FixedSingle;
			this.Icon = ((System.Drawing.Icon)(resources.GetObject("$this.Icon")));
			this.Name = "BlueBird";
			this.Text = "BlueBird";
			this.Instruments.ResumeLayout(false);
			this.ControlsGroup.ResumeLayout(false);
			this.ResumeLayout(false);

		}
		#endregion

		/// <summary>
		/// The main entry point for the application.
		/// </summary>
		[STAThread]
		static void Main() 
		{
			Application.EnableVisualStyles();
			Application.DoEvents();
			Application.Run(new BlueBird());
		}


		private void Instrument_Click(object sender, System.EventArgs e) 
		{
			String buttonName = ((Button)sender).Name;
			switch(buttonName)
			{
				case "Guitar": 
					guitarChoices newGuitarChoices = new guitarChoices(curMeasure, 
						measures, myDisplayPanel, curClip);
					newGuitarChoices.Show();
					break;
				case "Bass": 
					bassChoices newBassChoices = new bassChoices(curMeasure, 
						measures, myDisplayPanel, curClip);
					newBassChoices.Show();
					break;
				case "Drum": 
					drumChoices newDrumChoices = new drumChoices(curMeasure, 
						measures, myDisplayPanel, curClip);
					newDrumChoices.Show();
					break;
				case "Keyboard": 
					keyboardChoices newKeyboardChoices = new keyboardChoices(curMeasure, 
						measures, myDisplayPanel, curClip);
					newKeyboardChoices.Show();
					break;
				case "Vocals": 
					miscChoices newMiscChoices = new miscChoices(curMeasure, 
						measures, myDisplayPanel, curClip);
					newMiscChoices.Show();
					break;
			}			
			myDisplayPanel.Invalidate();
			myDisplayPanel.Update();
		}

		private void First_Click(object sender, System.EventArgs e)
		{
			curMeasure = 0;
			refresh();
		}

		private void Last_Click(object sender, System.EventArgs e)
		{
			curMeasure = measures.Count-1;
			refresh();
		}

		private void PlayStop_Click(object sender, System.EventArgs e)
		{
			if(PlayStop.Text.Equals("Play") && !isPlaying) 
			{
				PlayStop.Text = "Stop";
				playThread = new Thread(new ThreadStart(this.Play));
				playThread.Start();
				isPlaying = true;
			}
			else if(PlayStop.Text.Equals("Stop"))
			{
				playThread.Abort();
				this.disposeBuffers();
				PlayStop.Text = "Play";
				isPlaying = false;
			}
		}

		private void playStop()
		{
			if(PlayStop.Text.Equals("Play") && !isPlaying) 
			{
				PlayStop.Text = "Stop";
				playThread = new Thread(new ThreadStart(this.Play));
				playThread.Start();
				isPlaying = true;

			}
			else if(PlayStop.Text.Equals("Stop"))
			{
				playThread.Abort();
				isPlaying = false;
				this.disposeBuffers();
				isPlaying = false;
				PlayStop.Text = "Play";
				deleteBlanks();
			}
		}

		private void Insert_Click(object sender, System.EventArgs e)
		{
			insertMeasure();
		}

		private void PlaySingle_Click(object sender, System.EventArgs e)
		{
			playCur();
			
		}

		private void StartOver_Click(object sender, System.EventArgs e)
		{
			this.isPlaying = false;
			if(playThread != null)
				playThread.Abort();
			this.disposeBuffers();
			
			curMeasure = 0;
			measures = new ArrayList(STARTNUMMEASURES);
			for(int i = 0; i < STARTNUMMEASURES; i++) 
			{
				Measure newMeasure = new Measure();
				measures.Insert(i, newMeasure);
			}
			if(PlayStop.Text.Equals("Stop"))
				PlayStop.Text = "Play";
			if(Loop.Text.Equals("Stop"))
				Loop.Text = "Loop";
			refresh();
		}

		private void shiftLeft()
		{
			curClip = 0;
			if(curMeasure != 0)
				curMeasure--;
			refresh();

			playMeasureName();
		}
		private void shiftRight()
		{
			curClip = 0;
			if(curMeasure <= (measures.Count))
				curMeasure++;
			if(curMeasure == (measures.Count))
			{
				Measure newMeasure = new Measure();
				measures.Add(newMeasure);
			}
			refresh();
			playMeasureName();
		}
		private void shiftUp()
		{
			if(curClip > 0)
				curClip--;
			if(((Measure)measures[curMeasure]).getClip(curClip) != null)
			{
				((Measure)measures[curMeasure]).getClip(curClip).playName();
			}
			refresh();
		}
		private void shiftDown()
		{
			if(((Measure)measures[curMeasure]).getNumClips() - 1 > curClip)
				curClip++;
			if(((Measure)measures[curMeasure]).getClip(curClip) != null) {
				((Measure)measures[curMeasure]).getClip(curClip).playName();
			}
			refresh();
		}
		
		private void deleteClip()
		{
			if(((Measure)measures[curMeasure]).isEmpty() == false)
			{
				((Measure)measures[curMeasure]).deleteClip(curClip);
				if(curClip == ((Measure)measures[curMeasure]).getNumClips())
					shiftUp();
			}
			refresh();
			
			System.Console.WriteLine(((Measure)measures[curMeasure]).getNumClips());
			System.Console.WriteLine(curClip);
		}

		private void insertMeasure() 
		{
			//creates the new measure
			Measure newMeasure = new Measure();
			measures.Insert(curMeasure, newMeasure);

			refresh();
		}

		private void deleteMeasure() 
		{
			//Disallowing deleting measure dynamically
			if(!isPlaying){
				//find last filled measure
				int lastFilled = 0;
				for(int i = 0; i < measures.Count; i++) {
					if(((Measure)measures[i]).isEmpty() == false)
						lastFilled = i;
				}

				//delete clips from measure to delete
				if(((Measure)measures[curMeasure]).getNumClips() > 0) {
					((Measure)measures[curMeasure]).deleteAllClips();
				}

				//delete the measure
				measures.RemoveAt(curMeasure);

				if((curMeasure == lastFilled && curMeasure > 0) || 
					(curMeasure == measures.Count && curMeasure > 0)) {
					shiftLeft();
				}
				else if(curMeasure == 0 && lastFilled == 0)
					insertMeasure();		
		
				refresh();
			}
		}

		public int getCurMeasure()
		{
			return curMeasure;
		}

		private void refresh() 
		{
			myDisplayPanel.update(measures, curMeasure, curClip);
			myDisplayPanel.Invalidate();
			myDisplayPanel.Update();
		}

		private void jPressed() {
			if(((Measure)measures[curMeasure]).isEmpty() == false) {
				((Measure)measures[curMeasure]).getClip(curClip).playSound();
			}
		}

		private void playMeasureName() {
			if(!isPlaying) {
				if(measureThread != null) {
					measureThread.Abort();
					try{if(measureThread.ThreadState == ThreadState.Suspended)
							measureThread.Abort();
					}
					catch(ThreadStateException e){
						System.Console.WriteLine(e.StackTrace);	
					}
				}
				measureThread = new Thread(new ThreadStart(this.playNumbers));
				measureThread.Start();
			}
		}

		private void Button_Enter(object sender, System.EventArgs e)
		{
			clearBuffer();
			String buttonName = ((Button)sender).Name;
			switch(buttonName)
			{
				case "Guitar":
					soundBuffer = new SecondaryBuffer( "controlGuitarHighlighted.wav", ApplicationDevice );
					break;
				case "Bass":
					soundBuffer = new SecondaryBuffer( "controlBassHighlighted.wav", ApplicationDevice );
					break;
				case "Vocals":
					soundBuffer = new SecondaryBuffer( "controlMiscHighlighted.wav", ApplicationDevice );
					break;
				case "Keyboard":
					soundBuffer = new SecondaryBuffer( "controlKeyboardsHighlighted.wav", ApplicationDevice );
					break;
				case "Drum":
					soundBuffer = new SecondaryBuffer( "controlDrumsHighlighted.wav", ApplicationDevice );
					break;
				case "First":
					soundBuffer = new SecondaryBuffer( "controlGotoFirstMeasure.wav", ApplicationDevice );
					break;
				case "Last":
					soundBuffer = new SecondaryBuffer( "controlGotoLastMeasure.wav", ApplicationDevice );
					break;
				case "StartOver":
					soundBuffer = new SecondaryBuffer( "controlStartOver.wav", ApplicationDevice );
					break;
				case "PlayStop":
					if(PlayStop.Text.Equals("Play"))
						soundBuffer = new SecondaryBuffer( "controlPlay.wav", ApplicationDevice );
					else
						soundBuffer = new SecondaryBuffer( "controlStop.wav", ApplicationDevice );
					break;
				case "Insert":
					soundBuffer = new SecondaryBuffer( "controlInsertMeasure.wav", ApplicationDevice );
					break;
				case "PlaySingle":
					soundBuffer = new SecondaryBuffer( "controlPlaySingleMeasure.wav", ApplicationDevice );
					break;
				case "Quit":
					soundBuffer = new SecondaryBuffer( "controlQuit.wav", ApplicationDevice );
					break;
				case "Loop":
					soundBuffer = new SecondaryBuffer( "controlLoop.wav", ApplicationDevice );
					break;
			}

			if(soundBuffer != null)
				soundBuffer.Play(0, BufferPlayFlags.Default);
		}

		private void clearBuffer()
		{
			if(soundBuffer != null)
			{
				soundBuffer.Dispose();
				soundBuffer = null;
			}
		}

		private void clearInstructions() {
			if(instructions != null) {
				instructions.Dispose();
				instructions = null;
			}
		}

		private void Delete_Click(object sender, System.EventArgs e) {
			deleteMeasure();
		}

		private void Quit_Click(object sender, System.EventArgs e) {
			this.Dispose(true);
		}

		private void Loop_Click(object sender, System.EventArgs e) {
			if(Loop.Text.Equals("Loop") && !isPlaying) {
				Loop.Text = "Stop";
				playThread = new Thread(new ThreadStart(this.LoopPlay));
				playThread.Start();
				isPlaying = true;
			}
			else if(Loop.Text.Equals("Stop")) {
				playThread.Abort();
				this.disposeBuffers();
				isPlaying = false;
				Loop.Text = "Loop";
				deleteBlanks();
			}
		}

		private void Play()
		{
			curMeasure = 0;
			refresh();

			for(int i = 0; i < measures.Count; i++)
			{
				if(((Measure)measures[i]).isEmpty()) {
					Clip newClip = new Clip(ApplicationDevice, "blank", "displayBlank.wav", "displayBlank.wav");
					((Measure)measures[i]).addClip(newClip);
				}
				((Measure)measures[i]).play();
				while(((Measure)measures[i]).stillPlaying())
				{
					//busy waiting
				}
						
				if(curMeasure < measures.Count-1)
					shiftRight();

				refresh();
			}
			
			PlayStop.Text = "Play";
			deleteBlanks();
			isPlaying = false;
		}

		private void LoopPlay() {
			curMeasure = 0;
			refresh();
			int i = 0;
			while(true) {
				if(((Measure)measures[i]).isEmpty()) {
					Clip newClip = new Clip(ApplicationDevice, "blank", "displayBlank.wav", "displayBlank.wav");
					((Measure)measures[i]).addClip(newClip);
				}
				((Measure)measures[i]).play();
				while(((Measure)measures[i]).stillPlaying()) {
					//busy waiting
				}
						
				if(curMeasure < measures.Count-1)
					shiftRight();

				refresh();
				i++;
				if(i == measures.Count) {	
					deleteBlanks();
					i = 0;
					curMeasure = 0;
					refresh();
				}
			}
		}

		private void disposeBuffers()
		{
			for(int i = 0; i < measures.Count; i++)
			{
				if(((Measure)measures[i]).isEmpty() == false )
					((Measure)measures[i]).disposeAllBuffers();
			}
		}
		
		private void shortCuts() {
			instructions = new SecondaryBuffer( "shortcutInstructions.wav", ApplicationDevice );
			instructions.Play(0, BufferPlayFlags.Default);
		}

		private void readInstructions() {
			instructions = new SecondaryBuffer( "Instructions.wav", ApplicationDevice );
			instructions.Play(0,BufferPlayFlags.Default);
		}
		
		private void deleteBlanks(){
			for(int i = 0; i < measures.Count; i++) {
				if(!((Measure)measures[i]).isEmpty() &&
					((Measure)measures[i]).getClip(0).getName().Equals("blank")) {
					((Measure)measures[i]).deleteClip(0);
				}
				refresh();
			}
		}

		private void initNumberBuffers(){
			this.below20Buffers[0] = new SecondaryBuffer( "numberZero.wav", ApplicationDevice );
			this.below20Buffers[1] = new SecondaryBuffer( "numberOne.wav", ApplicationDevice );
			this.below20Buffers[2] = new SecondaryBuffer( "numberTwo.wav", ApplicationDevice );
			this.below20Buffers[3] = new SecondaryBuffer( "numberThree.wav", ApplicationDevice );
			this.below20Buffers[4] = new SecondaryBuffer( "numberFour.wav", ApplicationDevice );
			this.below20Buffers[5] = new SecondaryBuffer( "numberFive.wav", ApplicationDevice );
			this.below20Buffers[6] = new SecondaryBuffer( "numberSix.wav", ApplicationDevice );
			this.below20Buffers[7] = new SecondaryBuffer( "numberSeven.wav", ApplicationDevice );
			this.below20Buffers[8] = new SecondaryBuffer( "numberEight.wav", ApplicationDevice );
			this.below20Buffers[9] = new SecondaryBuffer( "numberNine.wav", ApplicationDevice );
			this.below20Buffers[10] = new SecondaryBuffer( "numberTen.wav", ApplicationDevice );
			this.below20Buffers[11] = new SecondaryBuffer( "numberEleven.wav", ApplicationDevice );
			this.below20Buffers[12] = new SecondaryBuffer( "numberTwelve.wav", ApplicationDevice );
			this.below20Buffers[13] = new SecondaryBuffer( "numberThirteen.wav", ApplicationDevice );
			this.below20Buffers[14] = new SecondaryBuffer( "numberFourteen.wav", ApplicationDevice );
			this.below20Buffers[15] = new SecondaryBuffer( "numberFifteen.wav", ApplicationDevice );
			this.below20Buffers[16] = new SecondaryBuffer( "numberSixteen.wav", ApplicationDevice );
			this.below20Buffers[17] = new SecondaryBuffer( "numberSeventeen.wav", ApplicationDevice );
			this.below20Buffers[18] = new SecondaryBuffer( "numberEighteen.wav", ApplicationDevice );
			this.below20Buffers[19] = new SecondaryBuffer( "numberNineteen.wav", ApplicationDevice );

			this.tensBuffers[0] = new SecondaryBuffer( "numberTwenty.wav", ApplicationDevice );
			this.tensBuffers[1] = new SecondaryBuffer( "numberThirty.wav", ApplicationDevice );
			this.tensBuffers[2] = new SecondaryBuffer( "numberForty.wav", ApplicationDevice );
			this.tensBuffers[3] = new SecondaryBuffer( "numberFifty.wav", ApplicationDevice );
			this.tensBuffers[4] = new SecondaryBuffer( "numberSixty.wav", ApplicationDevice );
			this.tensBuffers[5] = new SecondaryBuffer( "numberSeventy.wav", ApplicationDevice );
			this.tensBuffers[6] = new SecondaryBuffer( "numberEighty.wav", ApplicationDevice );
			this.tensBuffers[7] = new SecondaryBuffer( "numberNinety.wav", ApplicationDevice );

			this.hundredsBuffers[0] = new Buffer( "numberOneHundred.wav", ApplicationDevice );
			this.hundredsBuffers[1] = new Buffer( "numberTwoHundred.wav", ApplicationDevice );
		
		}

		private void playCur(){
			((Measure)measures[curMeasure]).play();
		}
		private void playNumbers(){
			clearBuffer();
				
			soundBuffer = new SecondaryBuffer("displayMeasure.wav", ApplicationDevice);
			soundBuffer.Play(0, BufferPlayFlags.Default);
			while(soundBuffer.Status.Playing){}
			
			int test = curMeasure;

			if(curMeasure >= 200) {		//100s place
				test = test% 200;
				this.hundredsBuffers[1].Play(0, BufferPlayFlags.Default);
				while(hundredsBuffers[1].Status.Playing){}
				if(test < 10 && test > 0) {
					soundBuffer = new SecondaryBuffer( "numberAnd.wav", ApplicationDevice );
					soundBuffer.Play(0,0);
					while(soundBuffer.Status.Playing){}
				}
			}
			else if(curMeasure >= 100) {
				test = test%100;
				this.hundredsBuffers[0].Play(0, BufferPlayFlags.Default);
				while(hundredsBuffers[0].Status.Playing){}

				if(test < 10 && test > 0) {
					soundBuffer = new SecondaryBuffer( "numberAnd.wav", ApplicationDevice );
					soundBuffer.Play(0,0);
					while(soundBuffer.Status.Playing){}
				}
			}
			
			if(test >= 20)
			{				//10s place
				for(int i = this.tensBuffers.Length+2; i >= 2; i--) {
					if(test%(i*10) == 0 || test %(i*10) < 10) {
						this.tensBuffers[i-2].Play(0, BufferPlayFlags.Default);
						while(tensBuffers[i-2].Status.Playing){}
						break;
					}
				}
				
			}
			else if(test > 9 && test < 20) {		//if in the teens
				for(int i = 10; i < this.below20Buffers.Length+10; i++) {
					if(i%test == 0) {
						this.below20Buffers[i].Play(0, BufferPlayFlags.Default);
						while(this.below20Buffers[i].Status.Playing){}
						break;
					}
				}
			}
			
			if((test < 10 && test%10 != 0) || test > 20) {		//get 1's place
				for(int i = 9; i >= 1; i--) {
					if(i > 1) {
						if((curMeasure%10)%i == 0) {
							this.below20Buffers[i].Play(0, BufferPlayFlags.Default);
							while(this.below20Buffers[i].Status.Playing){}
							break;
						}
					}	
				}
				if(curMeasure %10 != 0) {
					if(curMeasure == 1 || 1%(curMeasure%10) == 0) {
						this.below20Buffers[1].Play(0, BufferPlayFlags.Default);
						while(this.below20Buffers[1].Status.Playing){}
					}
				}
			}

			if(curMeasure == 0) {
				this.below20Buffers[0].Play(0, BufferPlayFlags.Default);
				while(this.below20Buffers[0].Status.Playing){}
			}
		}	
	}
}