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Ben
244
Filtration/ViewModels/MainWindowViewModel.cs
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244
Filtration/ViewModels/MainWindowViewModel.cs
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using System;
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using System.Collections.ObjectModel;
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using System.Windows.Forms;
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using Castle.Core;
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using Filtration.Models;
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using Filtration.Services;
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using Filtration.Translators;
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using GalaSoft.MvvmLight.CommandWpf;
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using Clipboard = System.Windows.Clipboard;
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using OpenFileDialog = Microsoft.Win32.OpenFileDialog;
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namespace Filtration.ViewModels
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{
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internal class MainWindowViewModel : FiltrationViewModelBase, IMainWindowViewModel
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{
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private LootFilterScript _loadedScript;
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private readonly ILootFilterScriptViewModelFactory _lootFilterScriptViewModelFactory;
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private readonly ILootFilterPersistenceService _persistenceService;
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private readonly ILootFilterScriptTranslator _lootFilterScriptTranslator;
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private ILootFilterScriptViewModel _currentScriptViewModel;
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private readonly ObservableCollection<ILootFilterScriptViewModel> _scriptViewModels;
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public MainWindowViewModel(ILootFilterScriptViewModelFactory lootFilterScriptViewModelFactory,
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ILootFilterPersistenceService persistenceService, ILootFilterScriptTranslator lootFilterScriptTranslator)
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{
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_lootFilterScriptViewModelFactory = lootFilterScriptViewModelFactory;
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_persistenceService = persistenceService;
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_lootFilterScriptTranslator = lootFilterScriptTranslator;
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_scriptViewModels = new ObservableCollection<ILootFilterScriptViewModel>();
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OpenScriptCommand = new RelayCommand(OnOpenScriptCommand);
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SaveScriptCommand = new RelayCommand(OnSaveScriptCommand, () => CurrentScriptViewModel != null);
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SaveScriptAsCommand = new RelayCommand(OnSaveScriptAsCommand, () => CurrentScriptViewModel != null);
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CopyScriptCommand = new RelayCommand(OnCopyScriptCommand, () => CurrentScriptViewModel != null);
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NewScriptCommand = new RelayCommand(OnNewScriptCommand);
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CloseScriptCommand = new RelayCommand<ILootFilterScriptViewModel>(OnCloseScriptCommand, v => CurrentScriptViewModel != null);
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LoadScriptFromFile("C:\\ThioleLootFilter.txt");
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SetLootFilterScriptDirectory();
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}
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public RelayCommand OpenScriptCommand { get; private set; }
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public RelayCommand SaveScriptCommand { get; private set; }
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public RelayCommand SaveScriptAsCommand { get; private set; }
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public RelayCommand CopyScriptCommand { get; private set; }
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public RelayCommand NewScriptCommand { get; private set; }
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public RelayCommand<ILootFilterScriptViewModel> CloseScriptCommand { get; private set; }
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public ObservableCollection<ILootFilterScriptViewModel> ScriptViewModels
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{
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get { return _scriptViewModels; }
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}
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[DoNotWire]
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public ILootFilterScriptViewModel CurrentScriptViewModel
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{
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get { return _currentScriptViewModel; }
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set
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{
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_currentScriptViewModel = value;
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RaisePropertyChanged();
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SaveScriptCommand.RaiseCanExecuteChanged();
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SaveScriptAsCommand.RaiseCanExecuteChanged();
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}
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}
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private void OnOpenScriptCommand()
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{
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var openFileDialog = new OpenFileDialog
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{
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Filter = "Filter Files (*.filter)|*.filter|All Files (*.*)|*.*",
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InitialDirectory = _persistenceService.LootFilterScriptDirectory
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};
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if (openFileDialog.ShowDialog() != true) return;
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LoadScriptFromFile(openFileDialog.FileName);
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}
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private void LoadScriptFromFile(string path)
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{
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try
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{
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_loadedScript = _persistenceService.LoadLootFilterScript(path);
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}
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catch (Exception e)
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{
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MessageBox.Show(@"Error loading filter script - " + e.Message, @"Script Load Error", MessageBoxButtons.OK,
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MessageBoxIcon.Error);
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return;
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}
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var newViewModel = _lootFilterScriptViewModelFactory.Create();
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newViewModel.Initialise(_loadedScript);
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ScriptViewModels.Add(newViewModel);
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CurrentScriptViewModel = newViewModel;
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}
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private void SetLootFilterScriptDirectory()
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{
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var defaultDir = _persistenceService.DefaultPathOfExileDirectory();
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if (!string.IsNullOrEmpty(defaultDir))
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{
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_persistenceService.LootFilterScriptDirectory = defaultDir;
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}
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else
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{
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var dlg = new FolderBrowserDialog
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{
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Description = @"Select your Path of Exile data directory, usually in Documents\My Games",
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ShowNewFolderButton = false
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};
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var result = dlg.ShowDialog();
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if (result == DialogResult.OK)
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{
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_persistenceService.LootFilterScriptDirectory = dlg.SelectedPath;
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}
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}
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}
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private void OnSaveScriptCommand()
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{
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if (!ValidateScript()) return;
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if (string.IsNullOrEmpty(CurrentScriptViewModel.Script.FilePath))
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{
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OnSaveScriptAsCommand();
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return;
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}
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try
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{
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_persistenceService.SaveLootFilterScript(CurrentScriptViewModel.Script);
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CurrentScriptViewModel.RemoveDirtyFlag();
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}
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catch (Exception e)
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{
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MessageBox.Show(@"Error saving filter file - " + e.Message, @"Save Error", MessageBoxButtons.OK,
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MessageBoxIcon.Error);
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}
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}
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private void OnSaveScriptAsCommand()
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{
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if (!ValidateScript()) return;
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var saveDialog = new SaveFileDialog
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{
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DefaultExt = ".filter",
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Filter = @"Filter Files (*.filter)|*.filter|All Files (*.*)|*.*",
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InitialDirectory = _persistenceService.LootFilterScriptDirectory
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};
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var result = saveDialog.ShowDialog();
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if (result != DialogResult.OK) return;
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var previousFilePath = CurrentScriptViewModel.Script.FilePath;
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try
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{
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CurrentScriptViewModel.Script.FilePath = saveDialog.FileName;
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_persistenceService.SaveLootFilterScript(CurrentScriptViewModel.Script);
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CurrentScriptViewModel.RemoveDirtyFlag();
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}
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catch (Exception e)
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{
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MessageBox.Show(@"Error saving filter file - " + e.Message, @"Save Error", MessageBoxButtons.OK,
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MessageBoxIcon.Error);
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CurrentScriptViewModel.Script.FilePath = previousFilePath;
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}
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}
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private bool ValidateScript()
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{
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var result = CurrentScriptViewModel.Script.Validate();
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if (result.Count == 0) return true;
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var failures = string.Empty;
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// ReSharper disable once LoopCanBeConvertedToQuery
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foreach (string failure in result)
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{
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failures += failure + Environment.NewLine;
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}
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MessageBox.Show(@"The following script validation errors occurred:" + Environment.NewLine + failures,
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@"Script Validation Failure", MessageBoxButtons.OK, MessageBoxIcon.Exclamation);
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return false;
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}
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private void OnCopyScriptCommand()
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{
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Clipboard.SetText(_lootFilterScriptTranslator.TranslateLootFilterScriptToString(_loadedScript));
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}
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private void OnNewScriptCommand()
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{
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var newScript = new LootFilterScript();
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var newViewModel = _lootFilterScriptViewModelFactory.Create();
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newViewModel.Initialise(newScript);
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newViewModel.Description = "New Script";
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ScriptViewModels.Add(newViewModel);
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CurrentScriptViewModel = newViewModel;
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}
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private void OnCloseScriptCommand(ILootFilterScriptViewModel scriptViewModel)
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{
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CurrentScriptViewModel = scriptViewModel;
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if (!CurrentScriptViewModel.IsDirty)
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{
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ScriptViewModels.Remove(CurrentScriptViewModel);
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}
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else
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{
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var result = MessageBox.Show(@"Want to save your changes to this script?",
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@"Filtration", MessageBoxButtons.YesNoCancel, MessageBoxIcon.Question);
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switch (result)
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{
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case DialogResult.Yes:
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{
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OnSaveScriptCommand();
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ScriptViewModels.Remove(CurrentScriptViewModel);
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break;
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}
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case DialogResult.No:
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{
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ScriptViewModels.Remove(CurrentScriptViewModel);
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break;
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}
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case DialogResult.Cancel:
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{
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break;
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}
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}
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}
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}
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}
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}
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