using System;
using System.Collections.Generic;
using System.Globalization;
using System.IO;
using System.Linq;
using System.Text;
using System.Threading;
using System.Threading.Tasks;
using System.Windows;
using System.Windows.Controls;
using System.Windows.Data;
using System.Windows.Documents;
using System.Windows.Input;
using System.Windows.Media;
using System.Windows.Media.Imaging;
using System.Windows.Navigation;
using System.Windows.Shapes;
using System.Xml;
using Aitex.Core.Account;
using Aitex.Triton160.UI.ViewModel;
using ExcelLibrary.SpreadSheet;
using Triton160.UI.ViewModel;
using Aitex.Core.RT.Log;
using Aitex.Core.UI.View.Common;
using Aitex.UI.RecipeEditor.View;
using Aitex.Triton160.Common;

namespace Aitex.Triton160.UI.Views
{
    /// <summary>
    /// Interaction logic for RecipeEditorView.xaml
    /// </summary>
    public partial class RecipeEditorView : UserControl
    {
        private string _culture;
        private string tragetFilePath = "";
        private object OriginalItem;
        RecipeEditorViewModel _viewModel;
        private Point _lastMouseDown;
        private ViewPermission _permission;

        public RecipeEditorView()
        {
            InitializeComponent();

            this.DataContext = _viewModel = new RecipeEditorViewModel(new UiRecipeManager(), ModuleName.System.ToString());

            this.Loaded += new RoutedEventHandler(RecipeEditorView_Loaded);
            this.Unloaded += new RoutedEventHandler(RecipeEditorView_Unloaded);

            Triton160UiSystem.Instance.CultureChanged += CultureChanged;
        }

        private void CultureChanged(string s)
        {
            _culture = s;
            this.tableRecipeGrid.UpdateCultureResource(s);
        }

        static DependencyObject VisualUpwardSearch<T>(DependencyObject source)
        {
            while (source != null && source.GetType() != typeof(T))
                source = VisualTreeHelper.GetParent(source);
            return source;
        }

        void RecipeEditorView_Unloaded(object sender, RoutedEventArgs e)
        {

        }

        void RecipeEditorView_Loaded(object sender, RoutedEventArgs e)
        {
            if (_culture!=Thread.CurrentThread.CurrentCulture.Name)
            {
                _culture = Thread.CurrentThread.CurrentCulture.Name;
                this.tableRecipeGrid.UpdateCultureResource(_culture);
            }

            _viewModel.UpdateAllConfig();
            tableRecipeGrid.SetEnableBarcode(_viewModel.IsBarcodeEnabled);
            tableRecipeGrid.SetUser(Triton160UiSystem.Instance.CurrentUserName);

            UpdateRecipeFileList();

            this.Name = "recipeEditor";
            _permission = this.GetPermission();
            switch (_permission)
            {
                case ViewPermission.Readonly:
                    buttonReloadTableRecipe.IsEnabled = false;
                    tableRecipeGrid.IsEnabled = false;
                    buttonSaveTableRecipe.IsEnabled = false;
                    break;

                default:
                    break;
            }
        }

        private void treeViewRcpList_SelectedItemChanged(object sender, RoutedPropertyChangedEventArgs<object> e)
        {
            //var permission = this.GetPermission();

            if (tableRecipeGrid.IsRecipeModified)
            {
                //if (permission == ViewPermission.FullyControl)
                {
                    switch (MessageBox.Show(string.Format(Application.Current.Resources["GlobalLableMsgSaveCurrentRecipe"].ToString(), _viewModel.CurrentRecipeName), Application.Current.Resources["GlobalLableTitleRecipeEditor"].ToString(), MessageBoxButton.YesNo, MessageBoxImage.Question))
                    {
                        case MessageBoxResult.Yes:
                            if (SaveRecipe())
                            {
                                var item = e.NewValue as TreeViewFileItem;
                                if (item != null)
                                    item.IsSelected = true;
                            }
                            else
                            {
                                var item = e.OldValue as TreeViewFileItem;
                                if (item != null)
                                    item.IsSelected = true;
                                return;
                            }
                            break;
                        case MessageBoxResult.No:
                            {
                                var item = e.NewValue as TreeViewFileItem;
                                if (item != null)
                                    item.IsSelected = true;
                            }
                            break;
                    }
                }
            }
            var selectedItem = e.NewValue as TreeViewFileItem;
            if (selectedItem == null)
                return;
            try
            {
                this._viewModel.CurrentRecipeName = selectedItem.FileName;
                string xmlRecipeData = _viewModel.LoadRecipe(selectedItem.FileName);
                this.tableRecipeGrid.ControlViewModel.LoadRecipe(_viewModel.RecipeFormat, xmlRecipeData);
            }
            catch (Exception ex)
            {
                LOG.Write(ex);
                MessageBox.Show(string.Format(Application.Current.Resources["GlobalLableTitleRecipeEditor"].ToString(), ex.Message), Application.Current.Resources["GlobalLableTitleRecipeEditor"].ToString(), MessageBoxButton.OK, MessageBoxImage.Error);
            }
        }

        private bool SaveRecipe()
        {
            bool ret = true;
            try
            {
                var hasErr = this.tableRecipeGrid.ControlViewModel.Errors.Count > 0;
                if (!hasErr ||
                    MessageBox.Show(Application.Current.Resources["GlobalLableMsgRecipeSaveInfo"].ToString(), Application.Current.Resources["GlobalLableTitleRecipeEditor"].ToString(), MessageBoxButton.YesNoCancel, MessageBoxImage.Warning) == MessageBoxResult.Yes)
                {
                    ret = _viewModel.SaveRecipe(this._viewModel.CurrentRecipeName, this.tableRecipeGrid.ControlViewModel.GetRecipeContentString());
                    
                    if (ret)
                    {
                        tableRecipeGrid.Dispatcher.Invoke(new System.Action(() =>
                        {
                            this.tableRecipeGrid.ControlViewModel.LoadRecipe(_viewModel.RecipeFormat, _viewModel.LoadRecipe(_viewModel.CurrentRecipeName));
                        }));
                    }
                }
                else
                {
                    ret = false;
                }
            }
            catch (Exception ex)
            {
                LOG.Write(ex);
                MessageBox.Show(Application.Current.Resources["GlobalLableMsgRecipeSaveException"].ToString(), Application.Current.Resources["GlobalLableTitleRecipeEditor"].ToString(), MessageBoxButton.OK, MessageBoxImage.Warning);
                ret = false;
            }
            return ret;
        }

        private void treeViewRcpList_MouseRightButtonDown(object sender, MouseButtonEventArgs e)
        {
            if (_permission != ViewPermission.FullyControl)
                return;

            //black place right mouse click
            treeViewRcpList.ContextMenu = new ContextMenu();

            MenuItem menuItem = new MenuItem();

            menuItem = new MenuItem();
            menuItem.Tag = "\\";
            menuItem.Click += new RoutedEventHandler(menuItem_MouseClick_CreateRecipe);
            menuItem.Header = Application.Current.Resources["GlobalLableMenuNewRecipe"];
            this.treeViewRcpList.ContextMenu.Items.Add(menuItem);

            menuItem = new MenuItem();
            menuItem.Tag = "\\";
            menuItem.Click += new RoutedEventHandler(menuItem_MouseClick_ImportRecipe);
            menuItem.Header = Application.Current.Resources["GlobalLableMenuImportRecipe"];
            this.treeViewRcpList.ContextMenu.Items.Add(menuItem);

            this.treeViewRcpList.ContextMenu.Items.Add(new Separator());

            menuItem = new MenuItem();
            menuItem.Tag = "\\";
            menuItem.Click += new RoutedEventHandler(menuItem_MouseClick_CreateFolder);
            menuItem.Header = Application.Current.Resources["GlobalLableMenuNewFolder"];
            this.treeViewRcpList.ContextMenu.Items.Add(menuItem);

            treeViewRcpList.ContextMenu.Visibility = Visibility.Visible;
        }

        private void TreeViewItem_MouseRightButtonDown(object sender, MouseButtonEventArgs e)
        {
            if (_permission != ViewPermission.FullyControl)
                return;

            var treeViewFileItem = VisualUpwardSearch<TreeViewFileItem>(e.OriginalSource as DependencyObject) as TreeViewItem;
            if (treeViewFileItem != null)
            {
                treeViewFileItem.Focus();
                treeViewFileItem.IsSelected = true;

                treeViewFileItem.ContextMenu = new ContextMenu();

                MenuItem menuItem = null;
                menuItem = new MenuItem();
                menuItem.Tag = treeViewFileItem.Tag as string;
                menuItem.Click += new RoutedEventHandler(menuItem_MouseClick_ExportRecipe);
                menuItem.Header = Application.Current.Resources["GlobalLableMenuExportRecipe"];
                treeViewFileItem.ContextMenu.Items.Add(menuItem);

                menuItem = new MenuItem();
                menuItem.Tag = treeViewFileItem.Tag as string;
                menuItem.Click += new RoutedEventHandler(menuItem_MouseClick_ExportExcel);
                menuItem.Header = Application.Current.Resources["GlobalLableMenuExportRecipeAsExcel"];
                treeViewFileItem.ContextMenu.Items.Add(menuItem);

                menuItem = new MenuItem();
                menuItem.Tag = treeViewFileItem.Tag as string;
                menuItem.Click += new RoutedEventHandler(menuItem_MouseClick_SaveAs);
                menuItem.Header = Application.Current.Resources["GlobalLableMenuSaveAs"];
                treeViewFileItem.ContextMenu.Items.Add(menuItem);

                menuItem = new MenuItem();
                menuItem.Tag = treeViewFileItem.Tag as string;
                menuItem.Click += new RoutedEventHandler(menuItem_MouseClick_RenameRecipe);
                menuItem.Header = Application.Current.Resources["GlobalLableMenuRenameRecipe"];
                treeViewFileItem.ContextMenu.Items.Add(menuItem);

                menuItem = new MenuItem();
                menuItem.Tag = treeViewFileItem.Tag as string;
                menuItem.Click += new RoutedEventHandler(menuItem_MouseClick_DeleteRecipe);
                menuItem.Header = Application.Current.Resources["GlobalLableMenuDeleteRecipe"];
                treeViewFileItem.ContextMenu.Items.Add(menuItem);

                treeViewFileItem.ContextMenu.Visibility = Visibility.Visible;

            }
            else
            {
                var treeViewFolderItem = VisualUpwardSearch<TreeViewFolderItem>(e.OriginalSource as DependencyObject) as TreeViewItem;
                if (treeViewFolderItem != null)
                {
                    treeViewFolderItem.Focus();
                    treeViewFolderItem.IsSelected = true;

                    treeViewFolderItem.ContextMenu = new ContextMenu();

                    MenuItem menuItem = null;
                    menuItem = new MenuItem();
                    menuItem.Tag = treeViewFolderItem.Tag as string;
                    menuItem.Click += new RoutedEventHandler(menuItem_MouseClick_CreateRecipe);
                    menuItem.Header = Application.Current.Resources["GlobalLableMenuNewRecipe"];
                    treeViewFolderItem.ContextMenu.Items.Add(menuItem);

                    menuItem = new MenuItem();
                    menuItem.Tag = treeViewFolderItem.Tag as string;
                    menuItem.Click += new RoutedEventHandler(menuItem_MouseClick_ImportRecipe);
                    menuItem.Header = Application.Current.Resources["GlobalLableMenuImportRecipe"];
                    treeViewFolderItem.ContextMenu.Items.Add(menuItem);

                    treeViewFolderItem.ContextMenu.Items.Add(new Separator());

                    menuItem = new MenuItem();
                    menuItem.Tag = treeViewFolderItem.Tag as string;
                    menuItem.Click += new RoutedEventHandler(menuItem_MouseClick_CreateFolder);
                    menuItem.Header = Application.Current.Resources["GlobalLableMenuNewFolder"];
                    treeViewFolderItem.ContextMenu.Items.Add(menuItem);

                    menuItem = new MenuItem();
                    menuItem.Tag = treeViewFolderItem.Tag as string;
                    menuItem.Click += new RoutedEventHandler(menuItem_MouseClick_RenameFolder);
                    menuItem.Header = Application.Current.Resources["GlobalLableMenuRenameFolder"];
                    treeViewFolderItem.ContextMenu.Items.Add(menuItem);

                    menuItem = new MenuItem();
                    menuItem.Tag = treeViewFolderItem.Tag as string;
                    menuItem.Click += new RoutedEventHandler(menuItem_MouseClick_DeleteFolder);
                    menuItem.Header = Application.Current.Resources["GlobalLableMenuDeleteFolder"];
                    treeViewFolderItem.ContextMenu.Items.Add(menuItem);

                    treeViewFolderItem.ContextMenu.Visibility = Visibility.Visible;
                }
            }
        }

        /// <summary>
        /// reload current recipe content
        /// </summary>
        /// <param name="sender"></param>
        /// <param name="e"></param>
        private void buttonCodeReload_Click(object sender, RoutedEventArgs e)
        {
            if (MessageBox.Show(Application.Current.Resources["GlobalLableMsgRecipeReloadInfo"].ToString(), Application.Current.Resources["GlobalLableTitleRecipeEditor"].ToString(), MessageBoxButton.YesNoCancel) == MessageBoxResult.Yes)
            {
                this.tableRecipeGrid.Dispatcher.Invoke(new System.Action(() =>
                {
                    this.tableRecipeGrid.ControlViewModel.LoadRecipe(_viewModel.RecipeFormat, _viewModel.LoadRecipe(_viewModel.CurrentRecipeName));
                }));
            }
        }

        /// <summary>
        /// Save recipe file
        /// </summary>
        /// <param name="sender"></param>
        /// <param name="e"></param>
        private void buttonCodeSave_Click(object sender, RoutedEventArgs e)
        {
            SaveRecipe();
        }

        void SelectRecipe(string recipeName)
        {
            try
            {
                string[] paths = recipeName.Split(new char[] { '\\' }, StringSplitOptions.RemoveEmptyEntries);
                string fileName = "";
                for (int i = 0; i < paths.Length - 1; i++)
                    fileName += paths[i] + "\\";
                fileName += paths[paths.Length - 1];
                selectRecipe(treeViewRcpList, paths, 0, fileName);
            }
            catch (Exception ex)
            {
                LOG.Write(ex);
            }
        }

        ItemsControl selectRecipe(ItemsControl currentNode, string[] paths, int index, string fileName)
        {
            if (currentNode == null)
                return null;
            if (index == paths.Length - 1)
            {
                foreach (var item in currentNode.Items)
                {
                    TreeViewFileItem tvf = item as TreeViewFileItem;
                    if (tvf != null && tvf.FileName == fileName)
                    {
                        tvf.IsSelected = true;
                        return null;
                    }
                }
            }
            foreach (var item in currentNode.Items)
            {
                TreeViewFolderItem tvf = item as TreeViewFolderItem;
                if (tvf != null && tvf.FolderName == paths[index])
                {
                    tvf.IsExpanded = true;
                    selectRecipe(tvf, paths, index + 1, fileName);
                    break;
                }
            }
            return null;
        }


        private void UpdateRecipeFileList()
        {
            XmlDocument doc = new XmlDocument();
            try
            {
                string rcp = _viewModel.GetXmlRecipeList();
                if (string.IsNullOrWhiteSpace(rcp))
                    return;
                doc.LoadXml(rcp);
            }
            catch (Exception ex)
            {
                LOG.Write(ex);
                MessageBox.Show("Cannot update recipe files", "RecipeEditorView", MessageBoxButton.OK, MessageBoxImage.Error);
            }

            this.treeViewRcpList.Items.Clear();
            CreateTreeViewItems(doc.DocumentElement, this.treeViewRcpList);
        }

        void CreateTreeViewItems(XmlElement curElementNode, ItemsControl itemsControl)
        {
            foreach (XmlElement ele in curElementNode.ChildNodes)
            {
                if (ele.Name == "File")
                {
                    string fileName = ele.Attributes["Name"].Value;
                    fileName = fileName.Substring(fileName.LastIndexOf('\\') + 1);
                    TreeViewFileItem item = new TreeViewFileItem(ele.Attributes["Name"].Value);
                    item.Tag = ele.Attributes["Name"].Value;
                    item.ToolTip = fileName;
                    itemsControl.Items.Add(item);
                }
                else if (ele.Name == "Folder")
                {
                    string folderName = ele.Attributes["Name"].Value;
                    folderName = folderName.Substring(folderName.LastIndexOf('\\') + 1);
                    TreeViewFolderItem item = new TreeViewFolderItem(folderName);
                    item.Tag = ele.Attributes["Name"].Value;
                    CreateTreeViewItems(ele, item);
                    item.IsExpanded = false;
                    itemsControl.Items.Add(item);
                }
            }
        }


        void menuItem_MouseClick_SaveAs(object sender, RoutedEventArgs e)
        {
            try
            {
                MenuItem mit = sender as MenuItem;
                var oldName = mit.Tag as string;
                RecipeNameInputDlg dlg = new RecipeNameInputDlg(Application.Current.Resources["GlobalLableMsgInputRecipeName"].ToString())
                {
                    InputText = oldName,
                    Owner = Application.Current.MainWindow
                };
                var ret = dlg.ShowDialog();
                if (ret.HasValue && ret.Value)
                {
                    var newName = dlg.InputText;
                    if (_viewModel.SaveAsRecipe(newName, _viewModel.LoadRecipe(oldName)))
                    {
                        UpdateRecipeFileList();
                        SelectRecipe(newName);
                    }
                    else
                    {
                        MessageBox.Show(string.Format(Application.Current.Resources["GlobalLableMsgRecipeSaveAsFailed"].ToString(), newName), Application.Current.Resources["GlobalLableTitleRecipeEditor"].ToString(), MessageBoxButton.OK, MessageBoxImage.Warning);
                    }
                }
            }
            catch (Exception ex)
            {
                LOG.Write(ex);
                MessageBox.Show(string.Format(Application.Current.Resources["GlobalLableMsgRecipeSaveAsException"].ToString(), ex.Message), Application.Current.Resources["GlobalLableTitleRecipeEditor"].ToString(), MessageBoxButton.OK, MessageBoxImage.Error);
            }
        }

        void menuItem_MouseClick_CreateFolder(object sender, RoutedEventArgs e)
        {
            try
            {
                MenuItem mit = sender as MenuItem;
                string folderName = mit.Tag as string;
                var selectedRecipeItem = treeViewRcpList.SelectedItem as TreeViewFileItem;

                RecipeNameInputDlg dlg = new RecipeNameInputDlg(Application.Current.Resources["GlobalLableMsgInputFolderName"].ToString())
                {
                    Owner = Application.Current.MainWindow
                };

                if (dlg.ShowDialog() == true)
                {
                    this._viewModel.CreateFolder(folderName + "\\" + dlg.InputText);
                    UpdateRecipeFileList();
                    if (selectedRecipeItem != null)
                        SelectRecipe(selectedRecipeItem.FileName);
                }
            }
            catch (Exception ex)
            {
                LOG.Write(ex);
                MessageBox.Show(string.Format(Application.Current.Resources["GlobalLableMsgRecipeFolderNewFailed"].ToString(), ex.Message), Application.Current.Resources["GlobalLableTitleRecipeEditor"].ToString());
            }
        }



        /// <summary>
        /// Create new recipe
        /// </summary>
        /// <param name="sender"></param>
        /// <param name="e"></param>
        void menuItem_MouseClick_CreateRecipe(object sender, RoutedEventArgs e)
        {
            try
            {
                MenuItem mit = sender as MenuItem;
                string folderName = mit.Tag as string;

                RecipeNameInputDlg dlg = new RecipeNameInputDlg(Application.Current.Resources["GlobalLableMsgInputRecipeName"].ToString())
                {
                    Owner = Application.Current.MainWindow
                };
                if (dlg.ShowDialog() == true)
                {
                    var recipeName = folderName + "\\" + dlg.InputText;
                    if (!this._viewModel.SaveAsRecipe(recipeName, this._viewModel.RecipeTemplate))
                    {
                        MessageBox.Show(string.Format(Application.Current.Resources["GlobalLableMsgRecipeCreateFailed"].ToString(), recipeName), Application.Current.Resources["GlobalLableTitleRecipeEditor"].ToString(), MessageBoxButton.OK, MessageBoxImage.Warning);
                    }
                    else
                    {
                        UpdateRecipeFileList();
                        SelectRecipe(folderName + "\\" + dlg.InputText);
                    }
                }
            }
            catch (Exception ex)
            {
                LOG.Write(ex);
                MessageBox.Show(string.Format(Application.Current.Resources["GlobalLableMsgRecipeCreateException"].ToString(), ex.Message), Application.Current.Resources["GlobalLableTitleRecipeEditor"].ToString(), MessageBoxButton.OK, MessageBoxImage.Error);
            }
        }

        /// <summary>
        /// delete folder
        /// </summary>
        /// <param name="sender"></param>
        /// <param name="e"></param>
        void menuItem_MouseClick_DeleteFolder(object sender, RoutedEventArgs e)
        {
            try
            {
                MenuItem mit = sender as MenuItem;
                var selectedRecipeItem = treeViewRcpList.SelectedItem as TreeViewFileItem;
                string folderName = mit.Tag as string;
                if (MessageBox.Show(string.Format(Application.Current.Resources["GlobalLableMsgRecipeDeleteFolderInfo"].ToString(), folderName),
                    Application.Current.Resources["GlobalLableTitleRecipeEditor"].ToString(), MessageBoxButton.YesNo, MessageBoxImage.Question) == MessageBoxResult.Yes)
                {
                    this._viewModel.DeleteFolder(folderName);
                    UpdateRecipeFileList();
                    if (selectedRecipeItem != null)
                        SelectRecipe(selectedRecipeItem.FileName);
                }
            }
            catch (Exception ex)
            {
                LOG.Write(ex);
                MessageBox.Show(string.Format(Application.Current.Resources["GlobalLableMsgRecipeDeleteFolderException"].ToString(), ex.Message), Application.Current.Resources["GlobalLableTitleRecipeEditor"].ToString(), MessageBoxButton.OK, MessageBoxImage.Error);
            }
        }

        /// <summary>
        /// rename folder
        /// </summary>
        /// <param name="sender"></param>
        /// <param name="e"></param>
        void menuItem_MouseClick_RenameFolder(object sender, RoutedEventArgs e)
        {
            try
            {
                MenuItem mit = sender as MenuItem;
                string folderName = mit.Tag as string;
                int lastSlashIndex = folderName.LastIndexOf('\\');
                string shortName = folderName.Substring(lastSlashIndex + 1);
                RecipeNameInputDlg dlg = new RecipeNameInputDlg(string.Format(Application.Current.Resources["GlobalLableMsgRecipeRenameFolderInfo"].ToString(), shortName), Application.Current.Resources["GlobalLableMsgInputFolderName"].ToString())
                {
                    Owner = Application.Current.MainWindow
                };
                if (dlg.ShowDialog() == true)
                {
                    string dir = lastSlashIndex == -1 ? "" : folderName.Substring(0, lastSlashIndex);
                    if (!_viewModel.RenameFolder(folderName, dir + "\\" + dlg.InputText))
                    {
                        MessageBox.Show(Application.Current.Resources["GlobalLableMsgRecipeRenameFolderFailed"].ToString(), Application.Current.Resources["GlobalLableTitleRecipeEditor"].ToString(), MessageBoxButton.OK, MessageBoxImage.Warning);
                    }
                    else
                    {
                        UpdateRecipeFileList();
                    }
                }
            }
            catch (Exception ex)
            {
                LOG.Write(ex);
                MessageBox.Show(string.Format(Application.Current.Resources["GlobalLableMsgRecipeRenameFolderException"].ToString(), ex.Message), Application.Current.Resources["GlobalLableTitleRecipeEditor"].ToString(), MessageBoxButton.OK, MessageBoxImage.Error);
            }
        }

        /// <summary>
        /// import external recipe file into selected folder
        /// </summary>
        /// <param name="sender"></param>
        /// <param name="e"></param>
        void menuItem_MouseClick_ImportRecipe(object sender, RoutedEventArgs e)
        {
            try
            {
                MenuItem mit = sender as MenuItem;
                string folderName = mit.Tag as string;

                Microsoft.Win32.OpenFileDialog openDlg = new Microsoft.Win32.OpenFileDialog();
                openDlg.DefaultExt = ".rcp";
                openDlg.Filter = "Recipe file (.rcp)|*.rcp";
                openDlg.Multiselect = true;
                if (openDlg.ShowDialog() == true)
                {
                    foreach (var openDlgFileName in openDlg.FileNames)
                    {
                        using (StreamReader srd = new StreamReader(openDlgFileName))
                        {
                            bool importFailed = false;
                            string rcpContent = srd.ReadToEnd();

                            RecipeNameInputDlg dlg = new RecipeNameInputDlg(Application.Current.Resources["GlobalLableMsgRecipeImportInfo"].ToString(), Application.Current.Resources["GlobalLableMsgInputRecipeName"].ToString())
                            {
                                Owner = Application.Current.MainWindow
                            };
                            dlg.InputText = System.IO.Path.GetFileNameWithoutExtension(openDlgFileName);
                            if (dlg.ShowDialog() == true)
                            {
                                var recipeName = mit.Tag as string + "\\" + dlg.InputText;
                                XmlDocument rcpDoc = new XmlDocument();
                                rcpDoc.LoadXml(rcpContent);
                                rcpDoc.DocumentElement.SetAttribute("RecipeVersion", _viewModel.RecipeVersion());
                                if (!this._viewModel.SaveAsRecipe(recipeName, rcpDoc.OuterXml))
                                {
                                    importFailed = true;
                                    MessageBox.Show(string.Format(Application.Current.Resources["GlobalLableMsgRecipeImportFailed"].ToString(), recipeName), Application.Current.Resources["GlobalLableTitleRecipeEditor"].ToString(), MessageBoxButton.OK, MessageBoxImage.Warning);
                                }
                            }
                            srd.Close();
                            if (!importFailed) File.Delete(openDlgFileName);
                            UpdateRecipeFileList();
                            SelectRecipe(mit.Tag as string + "\\" + dlg.InputText);
                        }
                    }
                       
                }
            }
            catch (Exception ex)
            {
                LOG.Write(ex);
                MessageBox.Show(string.Format(Application.Current.Resources["GlobalLableMsgRecipeImportException"].ToString(), ex.Message), Application.Current.Resources["GlobalLableTitleRecipeEditor"].ToString(), MessageBoxButton.OK, MessageBoxImage.Error);
            }
        }

        /// <summary>
        /// delete selected recipe files
        /// </summary>
        /// <param name="sender"></param>
        /// <param name="e"></param>
        void menuItem_MouseClick_DeleteRecipe(object sender, RoutedEventArgs e)
        {
            try
            {
                MenuItem mit = sender as MenuItem;
                string recipeName = mit.Tag as string;
                int sepIndex = recipeName.LastIndexOf("\\");
                if (sepIndex < 0)
                    sepIndex = 0;
                else
                    sepIndex++;
                recipeName = recipeName.Substring(sepIndex);
                if (MessageBox.Show(string.Format(Application.Current.Resources["GlobalLableMsgRecipeDeleteInfo"].ToString(), recipeName), Application.Current.Resources["GlobalLableTitleRecipeEditor"].ToString(),
                    MessageBoxButton.YesNo, MessageBoxImage.Question) == MessageBoxResult.Yes)
                {
                    this._viewModel.DeleteRecipe(mit.Tag as string);
                    this.UpdateRecipeFileList();
                }
            }
            catch (Exception ex)
            {
                LOG.Write(ex);
                MessageBox.Show(string.Format(Application.Current.Resources["GlobalLableMsgRecipeDeleteException"].ToString(), ex.Message), Application.Current.Resources["GlobalLableTitleRecipeEditor"].ToString(), MessageBoxButton.OK, MessageBoxImage.Error);
            }
        }

        /// <summary>
        /// rename selected recipe files
        /// </summary>
        /// <param name="sender"></param>
        /// <param name="e"></param>
        void menuItem_MouseClick_RenameRecipe(object sender, RoutedEventArgs e)
        {
            try
            {
                MenuItem mit = sender as MenuItem;
                string recipeName = mit.Tag as string;
                int lastSlashIndex = recipeName.LastIndexOf('\\');
                string shortName = recipeName.Substring(lastSlashIndex + 1);
                TreeViewItem rightClickedItem = this.treeViewRcpList.SelectedItem as TreeViewItem;
                RecipeNameInputDlg dlg = new RecipeNameInputDlg(string.Format(Application.Current.Resources["GlobalLableMsgRecipeRenameInfo"].ToString(), shortName), Application.Current.Resources["GlobalLableMsgInputRecipeName"].ToString())
                {
                    InputText = shortName,
                    Owner = Application.Current.MainWindow
                };
                if (dlg.ShowDialog() == true)
                {
                    string newRecipeName = lastSlashIndex == -1 ? dlg.InputText : (recipeName.Substring(0, lastSlashIndex) + "\\" + dlg.InputText);
                    var ret = this._viewModel.RenameRecipe(recipeName, newRecipeName);
                    if (ret)
                    {
                        UpdateRecipeFileList();
                        SelectRecipe(newRecipeName);
                    }
                    else
                    {
                        MessageBox.Show(string.Format(Application.Current.Resources["GlobalLableMsgRecipeRenameFailed"].ToString(), newRecipeName), Application.Current.Resources["GlobalLableTitleRecipeEditor"].ToString(), MessageBoxButton.OK, MessageBoxImage.Warning);
                    }
                }
            }
            catch (Exception ex)
            {
                LOG.Write(ex);
                MessageBox.Show(string.Format(Application.Current.Resources["GlobalLableMsgRecipeRenameException"].ToString(), ex.Message), Application.Current.Resources["GlobalLableTitleRecipeEditor"].ToString(), MessageBoxButton.OK, MessageBoxImage.Error);
            }
        }

        /// <summary>
        /// export selected recipe files
        /// </summary>
        /// <param name="sender"></param>
        /// <param name="e"></param>
        void menuItem_MouseClick_ExportRecipe(object sender, RoutedEventArgs e)
        {
            try
            {
                MenuItem mit = sender as MenuItem;
                string recipeName = mit.Tag as string;
                var dlg = new Microsoft.Win32.SaveFileDialog();
                dlg.FileName = recipeName.Substring(recipeName.LastIndexOf('\\') + 1);
                dlg.DefaultExt = ".rcp";
                dlg.Filter = Application.Current.Resources["GlobalLableMsgRecipeExportFilter"].ToString();
                if (dlg.ShowDialog() == true)
                {
                    using (StreamWriter sw = new StreamWriter(dlg.FileName))
                    {
                        sw.Write(this._viewModel.LoadRecipe(recipeName));
                        sw.Close();
                    }
                }
            }
            catch (Exception ex)
            {
                LOG.Write(ex);
                MessageBox.Show(string.Format(Application.Current.Resources["GlobalLableMsgRecipeExportFailed"].ToString(), ex.Message), Application.Current.Resources["GlobalLableTitleRecipeEditor"].ToString(), MessageBoxButton.OK, MessageBoxImage.Error);
            }
        }

        void menuItem_MouseClick_ExportExcel(object sender, RoutedEventArgs e)
        {
            MenuItem mit = sender as MenuItem;
            string recipeName = mit.Tag as string;

            var dlg = new Microsoft.Win32.SaveFileDialog();
            dlg.FileName = recipeName.Substring(recipeName.LastIndexOf('\\') + 1);
            dlg.DefaultExt = ".xls";
            dlg.Filter = Application.Current.Resources["GlobalLableMsgRecipeExportExcelFilter"].ToString();
            var ret = dlg.ShowDialog();
            if (!ret.HasValue || !ret.Value)
                return;
            string fileName = dlg.FileName;
            this._viewModel.CurrentRecipeName = recipeName;
            string xmlRecipeData = _viewModel.LoadRecipe(recipeName);
            XmlDocument doc = new XmlDocument();
            doc.LoadXml(_viewModel.RecipeFormat);

            Task.Factory.StartNew(() =>
            {
                try
                {
                    if (File.Exists(fileName))
                        File.Delete(fileName);

                    Workbook workbook = new Workbook();
                    Worksheet worksheet = new Worksheet("First Sheet");

                    var catalogNodes = doc.SelectNodes("/TableRecipeFormat/Catalog");
                    int groupRowIndex = 0;
                    int stepRowIndex = 0;
                    int catalogRowIndex = 0;

                    List<string> excelRowHeaderName = new List<string>();

                    foreach (XmlElement cNode in catalogNodes)
                    {
                        XmlNodeList sNodes = cNode.SelectNodes("Group/Step");
                        string catalogHeader = cNode.Attributes["DisplayName"].Value;
                        worksheet.Cells[catalogRowIndex + 1, 0] = new Cell(catalogHeader);
                        catalogRowIndex += sNodes.Count;
                        XmlNodeList gNodes = cNode.SelectNodes("Group");
                        foreach (XmlElement gNode in gNodes)
                        {
                            XmlNodeList stepNodes = gNode.SelectNodes("Step");
                            string groupHeader = gNode.Attributes["DisplayName"].Value;
                            worksheet.Cells[groupRowIndex + 1, 1] = new Cell(groupHeader);
                            groupRowIndex += stepNodes.Count;
                            foreach (XmlElement nd in stepNodes)
                            {
                                string stepHeader = nd.Attributes["DisplayName"].Value;
                                worksheet.Cells[stepRowIndex + 1, 2] = new Cell(stepHeader);
                                excelRowHeaderName.Add(nd.Attributes["ControlName"].Value);
                                stepRowIndex++;
                            }
                        }
                    }

                    XmlDocument rcp = new XmlDocument();
                    rcp.LoadXml(xmlRecipeData);
                    XmlNodeList stepNodeList = rcp.SelectNodes("/TableRecipeData/Step");
                    for (int stepNo = 0; stepNo < stepNodeList.Count; stepNo++)
                    {
                        var dataDic = new Dictionary<string, string>();
                        foreach (XmlAttribute att in (stepNodeList[stepNo] as XmlElement).Attributes)
                        {
                            dataDic.Add(att.Name, att.Value);
                        }
                        //fill sub node's attributes
                        foreach (XmlElement subStep in stepNodeList[stepNo].ChildNodes)
                        {
                            foreach (XmlAttribute att in subStep.Attributes)
                            {
                                dataDic.Add(att.Name, att.Value);
                            }
                            foreach (XmlElement subsubStep in subStep.ChildNodes)
                            {
                                foreach (XmlAttribute att2 in subsubStep.Attributes)
                                {
                                    dataDic.Add(att2.Name, att2.Value);
                                }
                            }
                        }
                        long length = dataDic.LongCount();
                        worksheet.Cells[0, 3] = new Cell(recipeName);
                        for (int rowIndex = 0; rowIndex < excelRowHeaderName.Count; rowIndex++)
                        {
                            worksheet.Cells.ColumnWidth[(ushort)(rowIndex + 1)] = 4000;
                            string cellValueString = dataDic[excelRowHeaderName[rowIndex]];
                            double cellValue;
                            if (double.TryParse(cellValueString, out cellValue))
                            {
                                worksheet.Cells[rowIndex + 1, stepNo + 3] = new Cell(cellValue);
                            }
                            else
                            {
                                worksheet.Cells[rowIndex + 1, stepNo + 3] = new Cell(cellValueString);
                            }
                        }
                    }
                    workbook.Worksheets.Add(worksheet);
                    workbook.Save(fileName);
                    MessageBox.Show(string.Format(Application.Current.Resources["GlobalLableMsgRecipeExportExcelOk"].ToString(), recipeName, fileName), Application.Current.Resources["GlobalLableTitleRecipeEditor"].ToString(), MessageBoxButton.OK, MessageBoxImage.Information);
                }
                catch (Exception ex)
                {
                    LOG.Write(ex);
                    MessageBox.Show(string.Format(Application.Current.Resources["GlobalLableMsgRecipeExportExcelFailed"].ToString(), ex.Message), Application.Current.Resources["GlobalLableTitleRecipeEditor"].ToString(), MessageBoxButton.OK, MessageBoxImage.Error);
                }
            });
        }

        private void TreeViewRcpList_MouseMove(object sender, MouseEventArgs e)
        {
            try
            {
                if (e.LeftButton == MouseButtonState.Pressed)
                {
                    Point currentPosition = e.GetPosition(treeViewRcpList);
                    OriginalItem = e.OriginalSource;
                    if ((Math.Abs(currentPosition.X - _lastMouseDown.X) > 2.0) || (Math.Abs(currentPosition.Y - _lastMouseDown.Y) > 2.0))
                    {
                        if ((treeViewRcpList.SelectedItem as TreeViewItem) != null)
                        {
                            //DragDropEffects finalDropEffect = DragDrop.DoDragDrop(treeViewRcpList, treeViewRcpList.SelectedItem, DragDropEffects.Move);
                            DragDropEffects finalDropEffect = DragDrop.DoDragDrop(treeViewRcpList.SelectedItem as TreeViewItem, sender, DragDropEffects.Move);
                        }
                    }
                }
            }
            catch (Exception ex)
            {
                LOG.Write(ex);
            }
        }

        private void TreeViewRcpList_MouseDown(object sender, MouseButtonEventArgs e)
        {
            if (e.ChangedButton == MouseButton.Left)
            {
                _lastMouseDown = e.GetPosition(treeViewRcpList);
            }
        }

        private void TreeViewRcpList_DragEnter(object sender, DragEventArgs e)
        {
            try
            {
                if (GetAncestor<TreeViewFileItem>((DependencyObject)e.Source) != null)
                {
                    if (GetAncestor<TreeViewFileItem>((DependencyObject)e.Source) == GetAncestor<TreeViewFileItem>((DependencyObject)OriginalItem)
                        || VisualTreeHelper.GetParent(GetAncestor<TreeViewFileItem>((DependencyObject)e.Source)) == VisualTreeHelper.GetParent(GetAncestor<TreeViewFileItem>((DependencyObject)OriginalItem)))
                        e.Effects = DragDropEffects.None;
                }
                else if (GetAncestor<TreeViewFolderItem>((DependencyObject)e.Source) != null)
                {
                    if (GetAncestor<TreeViewFolderItem>((DependencyObject)e.Source) == GetAncestor<TreeViewFolderItem>((DependencyObject)OriginalItem))
                        e.Effects = DragDropEffects.None;
                }
                else if (e.Source is TreeView)
                {
                    e.Effects = DragDropEffects.None;
                }
                e.Handled = true;
            }
            catch (Exception ex)
            {
                LOG.Write(ex);
            }
        }

        private void TreeViewRcpList_Drop(object sender, DragEventArgs e)
        {
            try
            {
                TreeViewItem itemRemoved = treeViewRcpList.SelectedItem as TreeViewItem;

                if (GetAncestor<TreeViewFileItem>((DependencyObject)e.Source) != null)
                {
                    if (GetAncestor<TreeViewFolderItem>((DependencyObject)e.Source) != null)
                    {
                        TreeViewFolderItem getTreeViewFolderItem = GetAncestor<TreeViewFolderItem>((DependencyObject)e.Source);
                        tragetFilePath = getTreeViewFolderItem.FolderName;
                        GetAncestor<TreeView>(getTreeViewFolderItem);
                        _viewModel.MoveRecipeFile(((TreeViewFileItem)itemRemoved).FileName, tragetFilePath);
                    }
                    else
                    {
                        tragetFilePath = "";
                        GetAncestor<TreeView>((DependencyObject)e.Source);
                        _viewModel.MoveRecipeFile(((TreeViewFileItem)itemRemoved).FileName, tragetFilePath);
                    }
                }
                else if (GetAncestor<TreeViewFolderItem>((DependencyObject)e.Source) != null)
                {
                    TreeViewFolderItem getTreeViewFolderItem = GetAncestor<TreeViewFolderItem>((DependencyObject)e.Source);
                    tragetFilePath = getTreeViewFolderItem.FolderName;
                    GetAncestor<TreeView>(getTreeViewFolderItem);
                    _viewModel.MoveRecipeFile(((TreeViewFileItem)itemRemoved).FileName, tragetFilePath);
                }
                UpdateRecipeFileList();
                SelectRecipe(tragetFilePath + "\\" + System.IO.Path.GetFileNameWithoutExtension(((TreeViewFileItem)itemRemoved).FileName));
            }
            catch (Exception ex)
            {
                LOG.Write(ex);
            }
        }

        public T GetAncestor<T>(DependencyObject reference) where T : DependencyObject
        {
            DependencyObject parent = VisualTreeHelper.GetParent(reference);

            while (!(parent is T) && parent != null)
            {
                parent = VisualTreeHelper.GetParent(parent);
                if (parent is TreeViewFolderItem)
                    tragetFilePath = tragetFilePath.Insert(0, $"{((TreeViewFolderItem)parent).FolderName}\\");
            }
            if (parent != null)
                return (T)parent;
            else
                return null;
        }
    }
}