/src/NUnit/UiException/Controls/StackTraceDisplay.cs

// ****************************************************************

// This is free software licensed under the NUnit license. You may

// obtain a copy of the license at http://nunit.org

// ****************************************************************



using System;

using System.Collections.Generic;

using System.Text;

using System.Windows.Forms;

using System.Drawing;

using NUnit.UiException.Properties;



namespace NUnit.UiException.Controls

{

    /// <summary>

    /// Implements IErrorDisplay to show the actual stack trace in a TextBox control.

    /// </summary>

    public class StackTraceDisplay :

        UserControl,

        IErrorDisplay

    {

        private TextBox _textContent;

        private ToolStripButton _btnPlugin;

        private ToolStripButton _btnCopy;



        /// <summary>

        /// Builds a new instance of StackTraceDisplay.

        /// </summary>

        public StackTraceDisplay()

        {

            _btnPlugin = ErrorToolbar.NewStripButton(true, "Display actual stack trace", Resources.ImageStackTraceDisplay, null);

            _btnCopy = ErrorToolbar.NewStripButton(false, "Copy stack trace to clipboard", Resources.ImageCopyToClipboard, OnClick);



            _textContent = new TextBox();

            _textContent.ReadOnly = true;

            _textContent.Multiline = true;

            _textContent.ScrollBars = ScrollBars.Both;



           return;

        }



        protected override void OnFontChanged(EventArgs e)

        {

            _textContent.Font = this.Font;



            base.OnFontChanged(e);

        }



        /// <summary>

        /// Copies the actual stack trace to the clipboard.

        /// </summary>

        public void CopyToClipBoard()

        {

            if (String.IsNullOrEmpty(_textContent.Text))

            {

                Clipboard.Clear();

                return;

            }



            Clipboard.SetText(_textContent.Text);



            return;

        }



        #region IErrorDisplay Membres



        public ToolStripButton PluginItem

        {

            get { return (_btnPlugin); }

        }



        public ToolStripItem[] OptionItems

        {

            get { return (new ToolStripItem[] { _btnCopy }); }

        }

        

        public Control Content

        {

            get { return (_textContent); }

        }



        public void OnStackTraceChanged(string stackTrace)

        {

            _textContent.Text = stackTrace;

        }



        #endregion



        private void OnClick(object sender, EventArgs args)

        {

            CopyToClipBoard();

        }

    }

}