TextEditorPopup.cs

// Copyright 2009-2013 Matvei Stefarov <me@matvei.org>
using System;
using System.IO;
using System.Linq;
using System.Windows.Forms;

namespace fCraft.ConfigGUI {

    public sealed partial class TextEditorPopup : Form {

        public string OriginalText { get; private set; }

        public string FileName { get; private set; }

        public TextEditorPopup( string fileName, string defaultValue ) {
            InitializeComponent();

            FileName = fileName;
            Text = "Editing " + FileName;

            if ( File.Exists( fileName ) ) {
                OriginalText = File.ReadAllText( fileName );
            } else {
                OriginalText = defaultValue;
            }

            tText.Text = OriginalText;
            lWarning.Visible = ContainsLongLines();
        }

        private bool ContainsLongLines() {
            return tText.Lines.Any( line => ( line.Length > 62 ) );
        }

        private void tRules_KeyDown( object sender, KeyEventArgs e ) {
            lWarning.Visible = ContainsLongLines();
        }

        private void bOK_Click( object sender, EventArgs e ) {
            File.WriteAllText( FileName, tText.Text );
            Close();
        }

        private ColorPicker colorPicker;

        private void bInsertColor_Click( object sender, EventArgs e ) {
            if ( colorPicker == null )
                colorPicker = new ColorPicker( "Insert color", 0 );
            if ( colorPicker.ShowDialog() == DialogResult.OK ) {
                string colorToInsert = Color.Parse( colorPicker.ColorIndex );
                int selectionStart = tText.SelectionStart;
                tText.Paste( colorToInsert );
                tText.Select( selectionStart, 2 );
                tText.Focus();
            }
        }

        private KeywordPicker keywordPicker;

        private void bInsertKeyword_Click( object sender, EventArgs e ) {
            if ( keywordPicker == null )
                keywordPicker = new KeywordPicker();
            if ( keywordPicker.ShowDialog() == DialogResult.OK ) {
                int selectionStart = tText.SelectionStart;
                tText.Paste( keywordPicker.Result );
                tText.Select( selectionStart, keywordPicker.Result.Length );
                tText.Focus();
            }
        }

        private void bReset_Click( object sender, EventArgs e ) {
            tText.Text = OriginalText;
        }
    }
}