using System;
using System.Drawing;
using System.Collections;
using System.ComponentModel;
using System.Windows.Forms;
using NEROLib;

namespace NeroFiddlesCOM.NET
{
	/// <summary>
	/// Summary description for DAE.
	/// </summary>
	public class DAEForm : System.Windows.Forms.Form
	{
		private NeroDrive m_drive;

		private _INeroDriveEvents_OnDoneCDInfoEventHandler m_evOnDoneCDInfo;
		private ControlEnabler m_controlEnabler;

		private System.Windows.Forms.Button c_DAE;
		private System.Windows.Forms.Button c_Close;
		private System.Windows.Forms.Label label1;
		private System.Windows.Forms.ColumnHeader columnHeader1;
		private System.Windows.Forms.ColumnHeader columnHeader2;
		private System.Windows.Forms.ColumnHeader columnHeader3;
		private System.Windows.Forms.ColumnHeader columnHeader4;
		private System.Windows.Forms.Button c_Browse;
		private System.Windows.Forms.Label label2;
		private System.Windows.Forms.Button c_Refresh;
		private System.Windows.Forms.ListView c_Tracks;
		private System.Windows.Forms.TextBox c_Filename;
		/// <summary>
		/// Required designer variable.
		/// </summary>
		private System.ComponentModel.Container components = null;

		public DAEForm(NeroDrive drive)
		{
			//
			// Required for Windows Form Designer support
			//
			InitializeComponent();

			m_drive = drive;
			m_controlEnabler = new ControlEnabler (this);
		}

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

		#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()
		{
			this.c_DAE = new System.Windows.Forms.Button();
			this.c_Close = new System.Windows.Forms.Button();
			this.label1 = new System.Windows.Forms.Label();
			this.c_Tracks = new System.Windows.Forms.ListView();
			this.columnHeader1 = new System.Windows.Forms.ColumnHeader();
			this.columnHeader2 = new System.Windows.Forms.ColumnHeader();
			this.columnHeader3 = new System.Windows.Forms.ColumnHeader();
			this.columnHeader4 = new System.Windows.Forms.ColumnHeader();
			this.c_Filename = new System.Windows.Forms.TextBox();
			this.c_Browse = new System.Windows.Forms.Button();
			this.label2 = new System.Windows.Forms.Label();
			this.c_Refresh = new System.Windows.Forms.Button();
			this.SuspendLayout();
			// 
			// c_DAE
			// 
			this.c_DAE.Location = new System.Drawing.Point(408, 64);
			this.c_DAE.Name = "c_DAE";
			this.c_DAE.TabIndex = 6;
			this.c_DAE.Text = "Do DAE";
			this.c_DAE.Click += new System.EventHandler(this.c_DAE_Click);
			// 
			// c_Close
			// 
			this.c_Close.DialogResult = System.Windows.Forms.DialogResult.Cancel;
			this.c_Close.Location = new System.Drawing.Point(408, 8);
			this.c_Close.Name = "c_Close";
			this.c_Close.TabIndex = 7;
			this.c_Close.Text = "Close";
			// 
			// label1
			// 
			this.label1.Location = new System.Drawing.Point(8, 8);
			this.label1.Name = "label1";
			this.label1.Size = new System.Drawing.Size(100, 16);
			this.label1.TabIndex = 0;
			this.label1.Text = "Audio Tracks:";
			// 
			// c_Tracks
			// 
			this.c_Tracks.Columns.AddRange(new System.Windows.Forms.ColumnHeader[] {
																					   this.columnHeader1,
																					   this.columnHeader2,
																					   this.columnHeader3,
																					   this.columnHeader4});
			this.c_Tracks.FullRowSelect = true;
			this.c_Tracks.HeaderStyle = System.Windows.Forms.ColumnHeaderStyle.Nonclickable;
			this.c_Tracks.HideSelection = false;
			this.c_Tracks.Location = new System.Drawing.Point(8, 24);
			this.c_Tracks.MultiSelect = false;
			this.c_Tracks.Name = "c_Tracks";
			this.c_Tracks.Size = new System.Drawing.Size(392, 128);
			this.c_Tracks.TabIndex = 1;
			this.c_Tracks.View = System.Windows.Forms.View.Details;
			this.c_Tracks.SelectedIndexChanged += new System.EventHandler(this.c_Tracks_SelectedIndexChanged);
			// 
			// columnHeader1
			// 
			this.columnHeader1.Text = "T#";
			this.columnHeader1.Width = 35;
			// 
			// columnHeader2
			// 
			this.columnHeader2.Text = "Name";
			this.columnHeader2.Width = 184;
			// 
			// columnHeader3
			// 
			this.columnHeader3.Text = "Start block";
			this.columnHeader3.TextAlign = System.Windows.Forms.HorizontalAlignment.Right;
			this.columnHeader3.Width = 76;
			// 
			// columnHeader4
			// 
			this.columnHeader4.Text = "Length";
			this.columnHeader4.TextAlign = System.Windows.Forms.HorizontalAlignment.Right;
			this.columnHeader4.Width = 73;
			// 
			// c_Filename
			// 
			this.c_Filename.Location = new System.Drawing.Point(8, 176);
			this.c_Filename.Name = "c_Filename";
			this.c_Filename.Size = new System.Drawing.Size(392, 20);
			this.c_Filename.TabIndex = 3;
			this.c_Filename.Text = "";
			this.c_Filename.TextChanged += new System.EventHandler(this.c_Filename_TextChanged);
			// 
			// c_Browse
			// 
			this.c_Browse.Location = new System.Drawing.Point(408, 176);
			this.c_Browse.Name = "c_Browse";
			this.c_Browse.TabIndex = 4;
			this.c_Browse.Text = "Browse";
			this.c_Browse.Click += new System.EventHandler(this.c_Browse_Click);
			// 
			// label2
			// 
			this.label2.Location = new System.Drawing.Point(8, 160);
			this.label2.Name = "label2";
			this.label2.Size = new System.Drawing.Size(100, 16);
			this.label2.TabIndex = 2;
			this.label2.Text = "Save filename:";
			// 
			// c_Refresh
			// 
			this.c_Refresh.Location = new System.Drawing.Point(408, 96);
			this.c_Refresh.Name = "c_Refresh";
			this.c_Refresh.TabIndex = 5;
			this.c_Refresh.Text = "Refresh";
			this.c_Refresh.Click += new System.EventHandler(this.c_Refresh_Click);
			// 
			// DAEForm
			// 
			this.AutoScaleBaseSize = new System.Drawing.Size(5, 13);
			this.CancelButton = this.c_Close;
			this.ClientSize = new System.Drawing.Size(488, 206);
			this.Controls.Add(this.c_Filename);
			this.Controls.Add(this.c_Tracks);
			this.Controls.Add(this.label1);
			this.Controls.Add(this.c_DAE);
			this.Controls.Add(this.c_Close);
			this.Controls.Add(this.c_Browse);
			this.Controls.Add(this.label2);
			this.Controls.Add(this.c_Refresh);
			this.FormBorderStyle = System.Windows.Forms.FormBorderStyle.FixedSingle;
			this.MaximizeBox = false;
			this.MinimizeBox = false;
			this.Name = "DAEForm";
			this.ShowInTaskbar = false;
			this.StartPosition = System.Windows.Forms.FormStartPosition.CenterParent;
			this.Text = "DAE";
			this.ResumeLayout(false);

		}
		#endregion

		protected override void OnLoad(EventArgs e)
		{
			base.OnLoad (e);

			RefreshTracks ();
		}

		private void c_Refresh_Click(object sender, System.EventArgs e)
		{
			RefreshTracks ();
		}

		private void RefreshTracks ()
		{
			// Subscribe to OnDoneCDInfo event, disable controls and
			// show wait cursor. Then do the disc info.
			// 
			m_evOnDoneCDInfo = new _INeroDriveEvents_OnDoneCDInfoEventHandler(m_drive_OnDoneCDInfo);
			m_drive.OnDoneCDInfo += m_evOnDoneCDInfo;
			m_controlEnabler.EnableAllControls (false);
			this.Cursor = Cursors.WaitCursor;

			m_drive.CDInfo (0);
		}

		private void m_drive_OnDoneCDInfo(INeroCDInfo pCDInfo)
		{
			// Unsubscribe from event and display disc info information.
			// 
			m_drive.OnDoneCDInfo -= m_evOnDoneCDInfo;

			c_Tracks.Items.Clear ();

			if (pCDInfo != null)
			{
				foreach (NeroTrack trk in pCDInfo.Tracks)
				{
					// Display all audio tracks in a list view.
					// 
					if (trk.TrackType == NERO_TRACK_TYPE.NERO_TT_AUDIO)
					{
						ListViewItem lvi = c_Tracks.Items.Add (trk.TrackNumber.ToString ());

						string sArtist = trk.Artist == ""? "Unknown": trk.Artist;
						string sTitle = trk.Title == ""? "Unknown": trk.Title;

						lvi.SubItems.Add (sArtist + " - " + sTitle);
						lvi.SubItems.Add (trk.TrackStartBlk.ToString ());
						lvi.SubItems.Add (trk.TrackLengthInBlks.ToString ());
					}
				}
			}

			// Restore controls' values and restore the cursor.
			// 
			m_controlEnabler.EnableAllControls (true);
			this.Cursor = Cursors.Default;

			// Update the state of DAE button.
			// 
			UpdateDAEButton ();
		}

		private void UpdateDAEButton ()
		{
			// Enable DAE button if some audio track is selected and a filename
			// exists.
			// 
			c_DAE.Enabled = c_Tracks.SelectedIndices.Count > 0 && c_Filename.Text != "";
		}

		private void c_Tracks_SelectedIndexChanged(object sender, System.EventArgs e)
		{
			UpdateDAEButton ();
		}

		private void c_Browse_Click(object sender, System.EventArgs e)
		{
			SaveFileDialog dlg = new SaveFileDialog ();
			dlg.DefaultExt = ".wav";
			dlg.Filter = "All files (*.*)|*.*";

			if (DialogResult.OK == dlg.ShowDialog (this))
			{
				c_Filename.Text = dlg.FileName;
				UpdateDAEButton ();
			}
		}

		private void c_DAE_Click(object sender, System.EventArgs e)
		{
			if (c_Tracks.SelectedIndices.Count > 0 &&
				c_Filename.Text != "")
			{
				// Get the start block and block length of the selected audio
				// track.
				// 
				ListViewItem lvi = c_Tracks.SelectedItems[0];
				int iStartBlock = Convert.ToInt32 (lvi.SubItems[2].Text);
				int iLengthInBlocks = Convert.ToInt32 (lvi.SubItems[3].Text);

				// Pass the params to DAE progress form and start the process
				// by calling ShowDialog.
				// 
				DAEProgressForm frm = new DAEProgressForm (m_drive, iStartBlock, iLengthInBlocks, c_Filename.Text, 0);
				frm.ShowDialog ();
			}
		}

		private void c_Filename_TextChanged(object sender, System.EventArgs e)
		{
			UpdateDAEButton ();
		}
	}
}