#region Copyright (c) 2007, PP4L Software
 /************************************************************************************
 
 Copyright  2007, PP4L Software
 Author:	Lampiasis <lampiasis@dvolker.com>
 
 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
 
 '***********************************************************************************/
 #endregion
 
 using System;
 using System.Collections.Generic;
 using System.ComponentModel;
 using System.Data;
 using System.Drawing;
 using System.Text;
 using System.Windows.Forms;
 using System.IO;
 using System.Net;
 using System.Text.RegularExpressions;
 using System.Reflection;
 using System.Diagnostics;
 using System.Threading;
 using System.Drawing.Printing;
 
 namespace AsciiPumper
 {
 	public partial class PumpForm : Form
 	{
 		private int childFormNumber = 0;
 
 		public PumpForm()
 		{
 			InitializeComponent();
 		}
 
 		private void ShowNewForm(object sender, EventArgs e)
 		{
 			// Create a new instance of the child form.
 			MainForm childForm = new MainForm();
 			// Make it a child of this MDI form before showing it.
 			childForm.MdiParent = this;
 			//childForm.Text = "(Untitled)";
 			childForm.FileName = "(Untitled " + ++childFormNumber + ")";
 			childForm.FileModified = false;
 			childForm.UndoChanged += new EventHandler<MainForm.UndoChangedEventArgs>(childForm_UndoChanged);
 			childForm.RedoChanged += new EventHandler<MainForm.RedoChangedEventArgs>(childForm_RedoChanged);
 			childForm.Show();
 		}
 
 		void childForm_RedoChanged(object sender, MainForm.RedoChangedEventArgs e)
 		{
 			if (sender is MainForm)
 			{
 				MainForm form = (MainForm)sender;
 
 				if (form.RedoList.Count > 0)
 					redoToolStripMenuItem.Enabled = true;
 				else
 					redoToolStripMenuItem.Enabled = false;
 			}
 		}
 
 		void childForm_UndoChanged(object sender, MainForm.UndoChangedEventArgs e)
 		{
 			if (sender is MainForm)
 			{
 				MainForm form = (MainForm)sender;
 
 				if (form.UndoList.Count > 0)
 					undoToolStripMenuItem.Enabled = true;
 				else
 					undoToolStripMenuItem.Enabled = false;
 			}
 		}
 
 		private void OpenFile(object sender, EventArgs e)
 		{
 			OpenFileDialog openFileDialog = new OpenFileDialog();
 			openFileDialog.InitialDirectory = Environment.GetFolderPath(Environment.SpecialFolder.Personal);
 			openFileDialog.Filter = "Text Files (*.txt)|*.txt|All Files (*.*)|*.*";
 			if (openFileDialog.ShowDialog(this) == DialogResult.OK)
 			{
 				OpenFileByName(openFileDialog.FileName);
 			}
 		}
 
 		private void OpenFileByName(string fn)
 		{
 			
 			Cursor cur = Cursor.Current;
 			Cursor.Current = Cursors.WaitCursor;
 			try
 			{
 				Stream stream = File.OpenRead(fn);
 				MainForm form = new MainForm();
 
 				form.LoadStream(stream);
 
 				stream.Close();
 				form.FileName = fn;
 				form.MdiParent = this;
 				form.FileModified = false;
 				form.UndoChanged += new EventHandler<MainForm.UndoChangedEventArgs>(childForm_UndoChanged);
 				form.RedoChanged += new EventHandler<MainForm.RedoChangedEventArgs>(childForm_RedoChanged);
 				form.Show();
 
 			}
 			finally
 			{
 				Cursor.Current = cur;
 			}
 			AddFileToRecentFiles(fn);
 		}
 
 		private void SaveAsToolStripMenuItem_Click(object sender, EventArgs e)
 		{
 			if (this.ActiveMdiChild == null)
 			{
 				MessageBox.Show(this, "No files are loaded.");
 				return;
 			}
 			SaveFileDialog saveFileDialog = new SaveFileDialog();
 			saveFileDialog.InitialDirectory = Environment.GetFolderPath(Environment.SpecialFolder.Personal);
 			saveFileDialog.Filter = "Text Files (*.txt)|*.txt|All Files (*.*)|*.*";
 			if (saveFileDialog.ShowDialog(this) == DialogResult.OK)
 			{
 				Stream stream = saveFileDialog.OpenFile();
 				StreamWriter writer = new StreamWriter(stream);
 				if (this.ActiveMdiChild is MainForm)
 				{
 					((MainForm)this.ActiveMdiChild).FileName = saveFileDialog.FileName;
 					((MainForm)this.ActiveMdiChild).FileModified = false;
 					writer.Write(((MainForm)this.ActiveMdiChild).GetIRCString(false));
 					writer.Close();
 				}
 
 				AddFileToRecentFiles(saveFileDialog.FileName);
 			}
 		}
 
 		private void ExitToolsStripMenuItem_Click(object sender, EventArgs e)
 		{
 			Application.Exit();
 		}
 
 		private void CutToolStripMenuItem_Click(object sender, EventArgs e)
 		{
 			// TODO: Use System.Windows.Forms.Clipboard to insert the selected text or images into the clipboard
 		}
 
 		private void CopyToolStripMenuItem_Click(object sender, EventArgs e)
 		{
 			// TODO: Use System.Windows.Forms.Clipboard to insert the selected text or images into the clipboard
 		}
 
 		private void PasteToolStripMenuItem_Click(object sender, EventArgs e)
 		{
 			// TODO: Use System.Windows.Forms.Clipboard.GetText() or System.Windows.Forms.GetData to retrieve information from the clipboard.
 		}
 
 		private void ToolBarToolStripMenuItem_Click(object sender, EventArgs e)
 		{
 			toolStrip.Visible = toolBarToolStripMenuItem.Checked;
 		}
 
 		private void StatusBarToolStripMenuItem_Click(object sender, EventArgs e)
 		{
 			statusStrip.Visible = statusBarToolStripMenuItem.Checked;
 		}
 
 		private void CascadeToolStripMenuItem_Click(object sender, EventArgs e)
 		{
 			LayoutMdi(MdiLayout.Cascade);
 		}
 
 		private void TileVerticalToolStripMenuItem_Click(object sender, EventArgs e)
 		{
 			LayoutMdi(MdiLayout.TileVertical);
 		}
 
 		private void TileHorizontalToolStripMenuItem_Click(object sender, EventArgs e)
 		{
 			LayoutMdi(MdiLayout.TileHorizontal);
 		}
 
 		private void ArrangeIconsToolStripMenuItem_Click(object sender, EventArgs e)
 		{
 			LayoutMdi(MdiLayout.ArrangeIcons);
 		}
 
 		private void CloseAllToolStripMenuItem_Click(object sender, EventArgs e)
 		{
 			foreach (Form childForm in MdiChildren)
 			{
 				childForm.Close();
 			}
 		}
 
 		private void aboutToolStripMenuItem_Click(object sender, EventArgs e)
 		{
 			(new AboutBox1()).ShowDialog(this);
 		}
 
 		private void optionsToolStripMenuItem_Click(object sender, EventArgs e)
 		{
 			OptionsForm optionsform = new OptionsForm();
 			optionsform.SettingsSaved += new EventHandler<OptionsForm.SettingsSavedEventArgs>(optionsform_SettingsSaved);
 			optionsform.ShowDialog(this);
 
 		}
 
 		private void AddFileToRecentFiles(string fn)
 		{
 			Program.Settings.RecentFiles.Remove(fn);
 			Program.Settings.RecentFiles.Add(fn);
 			while (Program.Settings.RecentFiles.Count > 10)
 			{
 				Program.Settings.RecentFiles.RemoveAt(0);
 			}
 			ReloadRecentFiles();
 		}
 
 		void optionsform_SettingsSaved(object sender, OptionsForm.SettingsSavedEventArgs e)
 		{
 			foreach (Form form in this.MdiChildren)
 			{
 				if (form is MainForm)
 				{
 					((MainForm)form).RepaintCanvas();
 				}
 
 			}
 		}
 
 		private void ReloadRecentFiles()
 		{
 			openRecentToolStripMenuItem.DropDownItems.Clear();
 			if (Program.Settings.RecentFiles == null)
 			{
 				Program.Settings.RecentFiles = new System.Collections.Specialized.StringCollection();
 			}
 			for (int i = Program.Settings.RecentFiles.Count - 1; i >= 0; i--)
 			{
 				openRecentToolStripMenuItem.DropDownItems.Add(Program.Settings.RecentFiles[i], null, new EventHandler(OpenRecentHandler));
 			}
 			
 		}
 
 		private void PumpForm_Load(object sender, EventArgs e)
 		{
 			new Thread(new ThreadStart(this.CheckForNewVersion)).Start();
 
 			ReloadRecentFiles();
 
 			string[] args = Environment.GetCommandLineArgs();
 			if ( args.Length > 1 )
 				OpenFileByName(args[1]);
 			else
 				ShowNewForm(this, EventArgs.Empty);
 		}
 
 		private void OpenRecentHandler(object sender, EventArgs e)
 		{
 			ToolStripMenuItem menu = (ToolStripMenuItem) sender;
 
 			// see if file is open already
 			foreach (Form form in this.MdiChildren)
 			{
 				if (form is MainForm)
 				{
 					if (((MainForm)form).FileName == menu.Text)
 					{
 						form.Activate();
 						return;
 					}
 				}
 			}
 
 			// open file
 			OpenFileByName(menu.Text);
 		}
 
 		private void CheckForNewVersion()
 		{
 			// this is really non-critical code so let's discard all exceptions and go on with life ok?
 			try
 			{
 				WebRequest request = WebRequest.Create("http://code.google.com/p/asciipumper");
 
 				// Get the response.
 				HttpWebResponse response = (HttpWebResponse)request.GetResponse();
 				// Get the stream containing content returned by the server.
 				Stream dataStream = response.GetResponseStream();
 				// Open the stream using a StreamReader for easy access.
 				StreamReader reader = new StreamReader(dataStream);
 				// Read the content.
 				string responseFromServer = reader.ReadToEnd();
 				Regex versionregex = new Regex(@"Latest release version: (\d+)\.(\d+)\.(\d+)\.(\d+)", RegexOptions.Multiline);
 				MatchCollection matches = versionregex.Matches(responseFromServer);
 				if (matches.Count >= 1 && matches[0].Captures.Count >= 1)
 				{
 					int v1, v2, v3, v4;
 					v1 = int.Parse(matches[0].Groups[1].Value);
 					v2 = int.Parse(matches[0].Groups[2].Value);
 					v3 = int.Parse(matches[0].Groups[3].Value);
 					v4 = int.Parse(matches[0].Groups[4].Value);
 
 					Version v = Assembly.GetExecutingAssembly().GetName().Version;
 					bool old = false;
 					if (v.Major < v1)
 						old = true;
 					if (v.Major == v1 && v.Minor < v2)
 						old = true;
 					if (v.Major == v1 && v.Minor == v2 && v.Build < v3)
 						old = true;
 					if (v.Major == v1 && v.Minor == v2 && v.Build == v3 && v.Revision < v4)
 						old = true;
 
 					if (old)
 					{
 						DialogResult res = MessageBox.Show(string.Format("A new version of Ascii Pumper is available.\r\nYou have: {0}.\r\nLatest release: {1}.{2}.{3}.{4}.\r\n\r\nVisit homepage?", v.ToString(), v1, v2, v3, v4), "New Ascii Pumper version", MessageBoxButtons.YesNo);
 						if (res == DialogResult.Yes)
 						{
 							ProcessStartInfo pi = new ProcessStartInfo("http://code.google.com/p/asciipumper/");
 							Process.Start(pi);
 						}
 					}
 				}
 
 			}
 			catch (Exception e)
 			{
 				// this is really non-critical code so let's discard all exceptions and go on with life ok?
 			}
 
 
 		}
 
 		private void saveToolStripButton_Click(object sender, EventArgs e)
 		{
 			if (this.ActiveMdiChild == null)
 			{
 				MessageBox.Show(this, "No files are loaded.");
 				return;
 			}
 
 			if (this.ActiveMdiChild is MainForm)
 			{
 				((MainForm)this.ActiveMdiChild).SaveDocument();
 				AddFileToRecentFiles(((MainForm)this.ActiveMdiChild).FileName );
 			}
 
 		}
 
 		private void saveToolStripMenuItem_Click(object sender, EventArgs e)
 		{
 			saveToolStripButton_Click(sender, e);
 		}
 
 		private void imageImporterToolStripMenuItem_Click(object sender, EventArgs e)
 		{
 			OpenFileDialog ofd = new OpenFileDialog();
 			ofd.Filter = "Supported images (*.bmp, *.jpeg, *.jpg, *.png, *.gif)|*.bmp;*.jpeg;*.jpg;*.png;*.gif|Bitmaps (*.bmp)|*.bmp|GIFs (*.gif)|*.gif|JPEGs (*.jpg,*.jpeg)|*.jpeg;*.jpg|PNGs (*.png)|*.png|All Files (*.*)|*.*";
 			DialogResult res = ofd.ShowDialog(this);
 			if (res == DialogResult.OK)
 			{
 				
 				// Create a new instance of the child form.
 				MainForm childForm = new MainForm();
 				// Make it a child of this MDI form before showing it.
 				childForm.MdiParent = this;
 				//childForm.Text = "(Untitled)";
 				childForm.FileName = "(Imported image " + ++childFormNumber + ")";
 				childForm.FileModified = false;
 				childForm.Show();
 				childForm.ImportImage(ofd.FileName);
 				
 			}
 		}
 
 		private void printPreviewToolStripMenuItem_Click(object sender, EventArgs e)
 		{
 			PrintPreviewDialog previewdlg = new PrintPreviewDialog();
 			previewdlg.Document = new System.Drawing.Printing.PrintDocument();
 			previewdlg.Document.PrintPage += new PrintPageEventHandler(Document_PrintPage);
 			previewdlg.ShowDialog(this);
 		}
 
 		void Document_PrintPage(object sender, PrintPageEventArgs e)
 		{
 			if (this.ActiveMdiChild is MainForm)
 			{
 				((MainForm)this.ActiveMdiChild).PrintToGraphicDevice(e.Graphics, e);
 			}
 		}
 
 		private void printToolStripButton_Click(object sender, EventArgs e)
 		{
 			PrintDialog printdlg = new PrintDialog();
 			printdlg.Document = new PrintDocument();
 			printdlg.Document.PrintPage += new PrintPageEventHandler(Document_PrintPage);
 			if (printdlg.ShowDialog(this) == DialogResult.OK)
 				printdlg.Document.Print();
 
 		}
 
 		private void printPreviewToolStripButton_Click(object sender, EventArgs e)
 		{
 			printPreviewToolStripMenuItem_Click(sender, e);
 		}
 
 		private void printSetupToolStripMenuItem_Click(object sender, EventArgs e)
 		{
 
 		}
 
 		private void printToolStripMenuItem_Click(object sender, EventArgs e)
 		{
 			printToolStripButton_Click(sender, e);
 		}
 
 		private void redoToolStripMenuItem_Click(object sender, EventArgs e)
 		{
 			if (this.ActiveMdiChild is MainForm)
 			{
 				MainForm form = (MainForm)this.ActiveMdiChild;
 
 				form.Redo();
 			}
 		}
 
 		private void undoToolStripMenuItem_Click(object sender, EventArgs e)
 		{
 			if (this.ActiveMdiChild is MainForm)
 			{
 				MainForm form = (MainForm)this.ActiveMdiChild;
 
 				form.Undo();
 			}
 		}
 
 		private void PumpForm_FormClosing(object sender, FormClosingEventArgs e)
 		{
 			Program.Settings.Save();
 		}
 
 		private void rEADMETXTToolStripMenuItem_Click(object sender, EventArgs e)
 		{
 			ProcessStartInfo pi = new ProcessStartInfo( /*Assembly.GetExecutingAssembly().Location*/ "README.TXT");
 			Process.Start(pi);
 		}
 
 		private void PumpForm_MdiChildActivate(object sender, EventArgs e)
 		{
 			childForm_UndoChanged(this.ActiveMdiChild, MainForm.UndoChangedEventArgs.Empty);
 			childForm_RedoChanged(this.ActiveMdiChild, MainForm.RedoChangedEventArgs.Empty);
 
 		}
 	}
 }

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