using System;

using System.IO;

using System.Windows.Forms;

using WeifenLuo.WinFormsUI.Docking;

using System.Collections.Generic;

using System.Drawing.Printing;



namespace MyNotepad

{

    public partial class MainWindow : Form

    {

        public string[] Args;

        TabbedNote activeNote = null;



        public MainWindow()

        {

            InitializeComponent();

        }



        public MainWindow(string file)

        {

            InitializeComponent();

        }



        public delegate void ProcessParametersDelegate(object sender, string[] args);

        public void ProcessParameters(object sender, string[] args)

        {

            // The form has loaded, and initialization will have been be done.



            // Add the command-line arguments to our textbox, just to confirm that

            // it reached here.

            if (args.Length == 0)

            {

                TabbedNote note = new TabbedNote();

                note.Show(mainDockPanel);

            }

            else

            {

                foreach (string file in args)

                {

                    FileInfo f = new FileInfo(file);

                    TabbedNote note = new TabbedNote(f);

                    note.Show(this.mainDockPanel);

                    this.Focus();

                }

            }

        }



        private void NewTabbedNote(object sender, EventArgs e)

        {

            TabbedNote note = new TabbedNote();

            note.Show(this.mainDockPanel);

        }



        private void OpenTabbedNote(object sender, EventArgs e)

        {

            OpenFileDialog open = new OpenFileDialog();

            open.Title = "Open...";

            string filter = "";



            filter += "All Files (*.*)|*.*|";

            filter += "C Files (*.c)|*.c|";

            filter += "C++ Files (*.cpp)|*.cpp|";

            filter += "C# Files (*.cs)|*.cs|";

            filter += "Java Files (*.java)|*.java|";

            filter += "HTML Files (*.html)|*.html|";

            filter += "Text Files (*.txt)|*.txt";

            

            open.Filter = filter;

            open.DefaultExt = ".txt";

            open.Multiselect = true;

            if (open.ShowDialog() == DialogResult.OK)

            {

                FileInfo f;

                foreach (String s in open.FileNames)

                {

                    f = new FileInfo(s);

                    TabbedNote note = new TabbedNote(f);

                    note.Show(this.mainDockPanel);

                }

            }

        }



        private void SaveCurrentNote(object sender, EventArgs e)

        {

            if (activeNote != null)

                activeNote.Save();

        }



        private void SaveFileAs(object sender, EventArgs e)

        {

            if (activeNote != null)

                activeNote.SaveFileAs();

        }



        private void MyNotepadExit(object sender, EventArgs e)

        {

            this.Dispose();

        }



        private void Exiting()

        {

            DockContentCollection openContents = mainDockPanel.Contents;

            foreach (DockContent c in openContents)

            {

                TabbedNote note = (TabbedNote)c;

                note.Close();

            }

        }



        private void MyNotepadMainFormClosed(object sender, FormClosingEventArgs e)

        {

            //Exiting();            

        }



        private void MainWindowOpened(object sender, EventArgs e)

        {

            if (this.Args != null)

            {

                ProcessParameters(null, this.Args);

                this.Args = null;

            }

        }



        private void UndoLastAction(object sender, EventArgs e)

        {

            if (activeNote != null)

                activeNote.ScintillaContent.UndoRedo.Undo();

        }



        private void RedoLastUndone(object sender, EventArgs e)

        {

            if (activeNote != null)

                activeNote.ScintillaContent.UndoRedo.Redo();

        }



        private void ContentChanged(object sender, EventArgs e)

        {

            try

            {

                activeNote = (TabbedNote)mainDockPanel.ActiveContent;                

                if (activeNote.Info == null)

                {

                    lblActiveFileInfo.Text = "Document Path: Unsaved";

                    this.Text = "My Notepad";

                }

                else

                {

                    lblActiveFileInfo.Text = "Document Path: " + activeNote.Info.FullName;

                    this.Text = activeNote.Info.Name + " - My Notepad";

                }

            }

            catch (Exception) { }

        }



        private void CloseTab(object sender, EventArgs e)

        {

            if (activeNote != null)

                activeNote.Close();

        }



        private void CutText(object sender, EventArgs e)

        {

            if (activeNote != null)

                activeNote.ScintillaContent.Clipboard.Cut();

        }



        private void CopyText(object sender, EventArgs e)

        {

            if (activeNote != null)

                activeNote.ScintillaContent.Clipboard.Copy();

        }



        private void PasteText(object sender, EventArgs e)

        {

            if (activeNote != null)

                activeNote.ScintillaContent.Clipboard.Paste();

        }



        private void SelectAllText(object sender, EventArgs e)

        {

            if (activeNote != null)

                activeNote.ScintillaContent.Selection.SelectAll();

        }



        private void ShowAboutBox(object sender, EventArgs e)

        {

            AboutWindow abt = new AboutWindow();

            abt.ShowDialog();

        }



        private void PrintCurrentDocument(object sender, EventArgs e)

        {

            try

            {

                if (activeNote != null)

                    activeNote.ScintillaContent.Printing.Print(true);

            }

            catch (InvalidPrinterException)

            {

                MessageBox.Show("You have no printers installed. Please install one.", "My Notepad", MessageBoxButtons.OK, MessageBoxIcon.Error);

            }

        }



        private void PreviewCurrentDocumentPrinting(object sender, EventArgs e)

        {

            try

            {

                if (activeNote != null)

                    activeNote.ScintillaContent.Printing.PrintPreview();

            }

            catch (InvalidPrinterException)

            {                

                MessageBox.Show("You have no printers installed. Please install one.", "My Notepad", MessageBoxButtons.OK, MessageBoxIcon.Error);

            }

        }



        private void Replace(object sender, EventArgs e)

        {

            if (activeNote != null)

                activeNote.ScintillaContent.FindReplace.ShowReplace();

        }



        private void Find(object sender, EventArgs e)

        {

            if (activeNote != null)

                activeNote.ScintillaContent.FindReplace.ShowFind();

        }



        private void ImmediatePrint(object sender, EventArgs e)

        {

            try

            {

                if (activeNote != null)

                    activeNote.ScintillaContent.Printing.Print(false);

            }

            catch (InvalidPrinterException)

            {

                MessageBox.Show("You have no printers installed. Please install one.", "My Notepad", MessageBoxButtons.OK, MessageBoxIcon.Error);

            }

        }



        private void ZoomIn(object sender, EventArgs e)

        {

            if (activeNote != null)

                activeNote.ScintillaContent.Zoom++;

        }



        private void ZoomOut(object sender, EventArgs e)

        {

            if (activeNote != null)

                activeNote.ScintillaContent.Zoom--;

        }



        private void ResetZoom(object sender, EventArgs e)

        {

            if (activeNote != null)

                activeNote.ScintillaContent.Zoom = 0;

        }



        private void ToggleLineNumbers(object sender, EventArgs e)

        {

            if (activeNote != null)

            {

                if (activeNote.ScintillaContent.Margins[0].Width == 50)

                {

                    activeNote.ScintillaContent.Margins[0].Width = 0;

                    lineNumbersToolStripMenuItem.Checked = false;

                }

                else

                {

                    activeNote.ScintillaContent.Margins[0].Width = 50;

                    lineNumbersToolStripMenuItem.Checked = true;

                }

            }

        }



        private void CloseOthers(object sender, EventArgs e)

        {

            foreach (Form frm in this.MdiChildren)

            {

                if (frm != activeNote)

                    frm.Close();

            }

        }



        private void SaveAll(object sender, EventArgs e)

        {

            DockContentCollection open = mainDockPanel.Contents;

            foreach (TabbedNote note in open)

            {

                note.Save();

            }

        }



        private void CloseAll(object sender, EventArgs e)

        {

            foreach (Form frm in this.MdiChildren)

                frm.Close();

        }

    }

}