// SIDFX
// Copyright (C) 2004  Ian Cowburn
// 
// This program is free software; you can redistribute it and/or
// modify it under the terms of the GNU General Public License
// as published by the Free Software Foundation; either version 2
// of the License, or (at your option) any later version.
// 
// This program is distributed in the hope that it will be useful,
// but WITHOUT ANY WARRANTY; without even the implied warranty of
// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
// GNU General Public License for more details.
// 
// You should have received a copy of the GNU General Public License
// along with this program; if not, write to the Free Software
// Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA  02111-1307, USA.
//
// $Id$
//
using System;
using System.Windows.Forms;
using System.IO;
using System.Text;
using System.CodeDom.Compiler;
using Noddybox.GUI;
using HardsidInterface;

namespace SIDFX
{
	/// <summary>
	/// Description of MainForm.	
	/// </summary>
	public class MainForm : System.Windows.Forms.Form
	{
		private System.Windows.Forms.RichTextBox m_edit;
		private System.Windows.Forms.Button m_runButton;
		private System.Windows.Forms.CheckBox m_showDebug;
		
		private MainMenu		m_mainMenu;
		private MenuTree		m_menu;
		private string			m_path;
		private bool			m_changed;
		private DebugForm		m_debug;
		
		public MainForm()
		{
			//
			// The InitializeComponent() call is required for Windows Forms designer support.
			//
			InitializeComponent();
			
			m_debug=new DebugForm();

			m_mainMenu=new MainMenu();
			m_menu=new MenuTree(m_mainMenu);
			
			m_menu.Add("/file", "File");
			m_menu.Add("/file/new", "New", new EventHandler(OnNew));
			m_menu.Add("/file/open", "Open...", new EventHandler(OnOpen));
			m_menu.Add("/file/save", "Save", new EventHandler(OnSave));
			m_menu.Add("/file/saveas", "Save as...", new EventHandler(OnSaveAs));
			m_menu.Add("/file/quit", "Quit", new EventHandler(OnQuit));
			
			m_menu.Add("/sid","SID");
			m_menu.Add("/sid/run","Run Script", new EventHandler(OnRun));
			
			m_menu.Add("/help","Help");
			m_menu.Add("/help/about","About...", new EventHandler(OnAbout));
			
			m_menu.Get("/file/save").Enabled=false;
		
			m_path="";
			m_changed=false;
			
			Menu=m_mainMenu;
			
			//Hardsid.Init();
			Hardsid.DLLDebug(1);
		}
		
		[STAThread]
		public static void Main(string[] args)
		{
			Application.Run(new MainForm());
		}
		
		#region Windows Forms Designer generated code
		/// <summary>
		/// This method is required for Windows Forms designer support.
		/// Do not change the method contents inside the source code editor. The Forms designer might
		/// not be able to load this method if it was changed manually.
		/// </summary>
		private void InitializeComponent() {
			this.m_showDebug = new System.Windows.Forms.CheckBox();
			this.m_runButton = new System.Windows.Forms.Button();
			this.m_edit = new System.Windows.Forms.RichTextBox();
			this.SuspendLayout();
			// 
			// m_showDebug
			// 
			this.m_showDebug.Location = new System.Drawing.Point(8, 368);
			this.m_showDebug.Name = "m_showDebug";
			this.m_showDebug.Size = new System.Drawing.Size(184, 16);
			this.m_showDebug.TabIndex = 2;
			this.m_showDebug.Text = "Show SID Register Window";
			this.m_showDebug.CheckedChanged += new System.EventHandler(this.OnShowDebug);
			// 
			// m_runButton
			// 
			this.m_runButton.Anchor = ((System.Windows.Forms.AnchorStyles)((System.Windows.Forms.AnchorStyles.Bottom | System.Windows.Forms.AnchorStyles.Right)));
			this.m_runButton.Location = new System.Drawing.Point(512, 368);
			this.m_runButton.Name = "m_runButton";
			this.m_runButton.Size = new System.Drawing.Size(80, 24);
			this.m_runButton.TabIndex = 1;
			this.m_runButton.Text = "Run";
			this.m_runButton.Click += new System.EventHandler(this.OnRun);
			// 
			// m_edit
			// 
			this.m_edit.AcceptsTab = true;
			this.m_edit.Anchor = ((System.Windows.Forms.AnchorStyles)((((System.Windows.Forms.AnchorStyles.Top | System.Windows.Forms.AnchorStyles.Bottom) 
						| System.Windows.Forms.AnchorStyles.Left) 
						| System.Windows.Forms.AnchorStyles.Right)));
			this.m_edit.DetectUrls = false;
			this.m_edit.Font = new System.Drawing.Font("Courier New", 9.75F, System.Drawing.FontStyle.Regular, System.Drawing.GraphicsUnit.Point, ((System.Byte)(0)));
			this.m_edit.Location = new System.Drawing.Point(8, 0);
			this.m_edit.Name = "m_edit";
			this.m_edit.Size = new System.Drawing.Size(584, 360);
			this.m_edit.TabIndex = 0;
			this.m_edit.Text = "";
			this.m_edit.WordWrap = false;
			this.m_edit.TextChanged += new System.EventHandler(this.OnTextChanged);
			this.m_edit.KeyUp += new System.Windows.Forms.KeyEventHandler(this.OnKeyUp);
			// 
			// MainForm
			// 
			this.AutoScaleBaseSize = new System.Drawing.Size(5, 13);
			this.ClientSize = new System.Drawing.Size(600, 397);
			this.Controls.Add(this.m_showDebug);
			this.Controls.Add(this.m_runButton);
			this.Controls.Add(this.m_edit);
			this.Name = "MainForm";
			this.Text = "SID FX - Untitled";
			this.Closing += new System.ComponentModel.CancelEventHandler(this.OnFormClosing);
			this.ResumeLayout(false);
		}
		#endregion

		void OnNew(object sender, System.EventArgs e)
		{
			m_menu.Get("/file/save").Enabled=false;
			m_path="";
			m_edit.Text="";
			m_changed=false;
			Text="SID FX - Untitled";
		}
		
		void OnOpen(object sender, System.EventArgs e)
		{
			if (!m_changed || Util.YesNo("Lose current edits?"))
			{
			    OpenFileDialog fsel=new OpenFileDialog();

				fsel.FileName=m_path;
			    fsel.Filter="SIDFX files (*.sdx)|*.sdx|All files (*.*)|*.*";
			    fsel.FilterIndex=1;
			
			    if(fsel.ShowDialog()==DialogResult.OK)
			    {
			    	m_path=fsel.FileName;
			    	
			    	try
			    	{
			    		m_edit.LoadFile(m_path,RichTextBoxStreamType.PlainText);
						m_menu.Get("/file/save").Enabled=true;
			    		m_changed=false;
			    		Text="SID FX - " + m_path;
			    	}
			    	catch
			    	{
			    		Util.Error("Error reading " + m_path);
			    	}
			    }
			}
		}
		
		void OnSave(object sender, System.EventArgs e)
		{
			try
			{
				m_edit.SaveFile(m_path,RichTextBoxStreamType.PlainText);
				m_changed=false;
			}
			catch
			{
				Util.Error("Error writing " + m_path);
			}
		}
		
		void OnSaveAs(object sender, System.EventArgs e)
		{
		    SaveFileDialog fsel=new SaveFileDialog();

			fsel.FileName=m_path;
		    fsel.Filter="SIDFX files (*.sdx)|*.sdx|All files (*.*)|*.*";
		    fsel.FilterIndex=1;
		
		    if(fsel.ShowDialog()==DialogResult.OK)
		    {
		    	m_path=fsel.FileName;
		    	
		    	OnSave(sender,e);
				m_menu.Get("/file/save").Enabled=true;
	    		m_changed=false;
	    		Text="SID FX - " + m_path;
		    }
		}
		
		void OnQuit(object sender, System.EventArgs e)
		{
			if (!m_changed || Util.YesNo("Lose current edits?"))
			{
				// This prevents OnFormClosing() asking again
				//
				m_changed=false;
				
				Close();
			}
		}

		void OnAbout(object sender, System.EventArgs e)
		{
			Form about=new About();
			
			about.ShowDialog(this);
		}

		void OnRun(object sender, System.EventArgs e)
		{
			if (Hardsid.Count<1)
			{
				Util.Error("This machine has no HardSIDs!");
				return;
			}
			
			CompileScript comp=new CompileScript(m_edit.Text);
			
			if (comp.HasErrors)
			{
				StringBuilder s=new StringBuilder();
				
				s.Append("Errors compiling the script:\n");
				
				foreach (CompilerError err in comp.Errors)
				{
					s.Append(err.ToString()+"\n");
				}
				
				Util.Error(s.ToString());
			}
			else
			{
				ExecuteForm exec=new ExecuteForm(comp);
				
				exec.Run(this);
			}
		}

		void OnTextChanged(object sender, System.EventArgs e)
		{
			m_changed=true;
		}
		
		void OnFormClosing(object sender, System.ComponentModel.CancelEventArgs e)
		{
			if (m_changed && !Util.YesNo("Lose current edits?"))
			{
				e.Cancel=true;
			}
		}
		
		void OnShowDebug(object sender, System.EventArgs e)
		{
			if (m_showDebug.Checked)
			{
				m_debug.StartDebug();
			}
			else
			{
				m_debug.StopDebug();
			}
		}
		
		void OnKeyUp(object sender, System.Windows.Forms.KeyEventArgs e)
		{
			if (e.KeyCode==Keys.F5)
			{
				OnRun(null,null);
				e.Handled=true;
			}
		}
		
	}
}