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 LBWordLibrary;

namespace Volian.Controls.Library
{
	public partial class frmImportWordContents : Form
	{
		LBApplicationClass _WordApp;
		bool _initializing = false;
		public frmImportWordContents()
		{
			_initializing = true;
			InitializeComponent();
			txbWordFile.Text = Properties.Settings.Default.ImportWordFilePath;
			disableButtons();
			_initializing = false;
			btnOpen.Enabled = (txbWordFile.Text.Length > 0);
		}
		private void disableButtons()
		{
			btnOpen.Enabled = false;
			btnNext.Enabled = false;
			btnPage.Enabled = false;
			btnPrev.Enabled = false;
	}
		private void ofd_FileOk(object sender, CancelEventArgs e)
		{
			_initializing = true;
			txbWordFile.Text = ofd.FileName;
			_initializing = false;
			//btnOpen.Enabled = true;
		}

		private void btnBrowse_Click(object sender, EventArgs e)
		{
			// if we have a word doc open, then close it and reset WordApp
			if (_WordApp != null)
			{
				try
				{
					_WordApp.Quit();
				}
				catch
				{
					// will error if user already closed Word
				}
				_WordApp = null;
				disableButtons();
			}
			if (ofd.ShowDialog() == System.Windows.Forms.DialogResult.OK)
			{
				btnOpen_Click(sender, e);
				// btnOpen.PerformClick();  // does not work if button is disabled
			}

		}

		private void btnOpen_Click(object sender, EventArgs e)
		{
			if (!File.Exists(txbWordFile.Text))
			{
				MessageBox.Show(string.Format("{0}", txbWordFile.Text), "File Does Not Exist", MessageBoxButtons.OK, MessageBoxIcon.Exclamation);
				disableButtons();
				return;
			}
			_WordApp = new LBApplicationClass();
			_WordApp.Documents.Open(txbWordFile.Text);
			_WordApp.Visible = true;
			btnNext.Enabled = true;
			btnPage.Enabled = true;
			btnPrev.Enabled = true;
			Properties.Settings.Default.ImportWordFilePath = txbWordFile.Text;
			Properties.Settings.Default.Save();
		}

		private void btnPage_Click(object sender, EventArgs e)
		{
			_WordApp.Selection.MoveDown(LBWdUnits.wdScreen, 1, 0);
		}

		private void btnPrev_Click(object sender, EventArgs e)
		{
			_WordApp.Selection.MoveUp(LBWdUnits.wdParagraph, 1, 0);
			_WordApp.Selection.MoveUp(LBWdUnits.wdParagraph, 1, 1);
			try
			{
				int idx = _WordApp.Selection.Text.IndexOfAny("\t".ToCharArray());
				if (idx > 0)
					txbWrdText.Text = _WordApp.Selection.Text.Substring(0, idx);
				else
					txbWrdText.Text = _WordApp.Selection.Text;
				txbWrdText.Text = txbWrdText.Text.Replace('\xA0', ' '); // replace hard space with regular space
				txbWrdText.Text = txbWrdText.Text.Replace('\x0B', ' '); // replace hard return with regular space
				txvStyle.Text = _WordApp.Selection.Style.NameLocal;
				txbLevel.Text = _WordApp.Selection.Style.ListLevelNumber.ToString();
				//_WordApp.Selection.Copy();
				Clipboard.SetText(txbWrdText.Text);
			}
			catch
			{ }
		}

		private void btnNext_Click(object sender, EventArgs e)
		{
			_WordApp.Selection.MoveDown(LBWdUnits.wdParagraph, 1, 0);
			_WordApp.Selection.MoveDown(LBWdUnits.wdParagraph, 1, 1);
			try
			{
				int idx = _WordApp.Selection.Text.IndexOfAny("\t".ToCharArray());
				if (idx > 0)
					txbWrdText.Text = _WordApp.Selection.Text.Substring(0, idx);
				else
					txbWrdText.Text = _WordApp.Selection.Text;
				txbWrdText.Text = txbWrdText.Text.Replace('\xA0', ' '); // replace hard space with regular space
				txbWrdText.Text = txbWrdText.Text.Replace('\x0B', ' '); // replace hard return with regular space

				txvStyle.Text = _WordApp.Selection.Style.NameLocal;
				txbLevel.Text = _WordApp.Selection.Style.ListLevelNumber.ToString();
				//_WordApp.Selection.Copy();
				Clipboard.SetText(txbWrdText.Text);
			}
			catch
			{ }
			//_WordApp.Selection.Copy();
			//string tmp = Clipboard.GetText(TextDataFormat.Html);
			//EditItem ei = MyDisplayTabItem.MyStepTabPanel.SelectedEditItem;
			//while (ei.Enabled == false)
			//	ei = ei.MyParentEditItem ?? ei.MyPreviousEditItem;
			//ei.MyStepRTB.Focus();

		}

		private void txbWordFile_TextChanged(object sender, EventArgs e)
		{
			btnOpen.Enabled = !_initializing;
		}

		private void frmImportWordContents_FormClosing(object sender, FormClosingEventArgs e)
		{
			try
			{
				if (_WordApp != null)
					_WordApp.Quit();
			}
			catch
			{
				// incase user manually closed word
			}
		}
	}
}