Refactored AvalonDock workspace into separate ViewModel
This commit is contained in:
Ben
@@ -1,86 +1,83 @@
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using System;
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using System.Collections.Generic;
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using System.Collections.ObjectModel;
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using System.Diagnostics;
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using System.Reflection;
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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 Filtration.Views;
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using GalaSoft.MvvmLight.CommandWpf;
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using GalaSoft.MvvmLight.Messaging;
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using Clipboard = System.Windows.Clipboard;
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using MessageBox = System.Windows.Forms.MessageBox;
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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 interface IMainWindowViewModel
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{
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IDocument ActiveDocument { get; set; }
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IItemFilterScriptViewModel ActiveScriptViewModel { get; }
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event EventHandler ActiveDocumentChanged;
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void LoadScriptFromFile(string path);
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RelayCommand OpenScriptCommand { get; }
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RelayCommand NewScriptCommand { get; }
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void Close(IDocument scriptToClose);
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}
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internal class MainWindowViewModel : FiltrationViewModelBase, IMainWindowViewModel
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{
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private ItemFilterScript _loadedScript;
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private readonly IItemFilterScriptViewModelFactory _itemFilterScriptViewModelFactory;
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private readonly IItemFilterPersistenceService _persistenceService;
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private readonly IItemFilterScriptTranslator _itemFilterScriptTranslator;
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private readonly IReplaceColorsViewModel _replaceColorsViewModel;
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private readonly IAvalonDockWorkspaceViewModel _avalonDockWorkspaceViewModel;
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private IDocument _activeDocument;
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private IItemFilterScriptViewModel _activeScriptViewModel;
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private readonly ObservableCollection<IDocument> _openDocuments;
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private readonly ISectionBrowserViewModel _sectionBrowserViewModel;
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private readonly IBlockGroupBrowserViewModel _blockGroupBrowserViewModel;
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private readonly IStartPageViewModel _startPageViewModel;
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public MainWindowViewModel(IItemFilterScriptViewModelFactory itemFilterScriptViewModelFactory,
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IItemFilterPersistenceService persistenceService,
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IItemFilterScriptTranslator itemFilterScriptTranslator,
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IReplaceColorsViewModel replaceColorsViewModel,
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ISectionBrowserViewModel sectionBrowserViewModel,
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IBlockGroupBrowserViewModel blockGroupBrowserViewModel,
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IStartPageViewModel startPageViewModel)
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IAvalonDockWorkspaceViewModel avalonDockWorkspaceViewModel)
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{
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_itemFilterScriptViewModelFactory = itemFilterScriptViewModelFactory;
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_persistenceService = persistenceService;
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_itemFilterScriptTranslator = itemFilterScriptTranslator;
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_replaceColorsViewModel = replaceColorsViewModel;
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_sectionBrowserViewModel = sectionBrowserViewModel;
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_blockGroupBrowserViewModel = blockGroupBrowserViewModel;
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_startPageViewModel = startPageViewModel;
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_avalonDockWorkspaceViewModel = avalonDockWorkspaceViewModel;
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_sectionBrowserViewModel.Initialise(this);
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_blockGroupBrowserViewModel.Initialise(this);
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_startPageViewModel.Initialise(this);
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_openDocuments = new ObservableCollection<IDocument>();
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OpenAboutWindowCommand = new RelayCommand(OnOpenAboutWindowCommand);
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OpenScriptCommand = new RelayCommand(OnOpenScriptCommand);
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SaveScriptCommand = new RelayCommand(OnSaveScriptCommand, () => ActiveDocument != null && ActiveDocument.IsScript);
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SaveScriptAsCommand = new RelayCommand(OnSaveScriptAsCommand, () => ActiveDocument != null && ActiveDocument.IsScript);
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CopyScriptCommand = new RelayCommand(OnCopyScriptCommand, () => ActiveDocument != null && ActiveDocument.IsScript);
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CopyBlockCommand = new RelayCommand(OnCopyBlockCommand, () => ActiveDocument != null && ActiveDocument.IsScript && ((IItemFilterScriptViewModel)ActiveDocument).SelectedBlockViewModel != null);
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PasteCommand = new RelayCommand(OnPasteCommand, () => ActiveDocument != null && ActiveDocument.IsScript && ((IItemFilterScriptViewModel)ActiveDocument).SelectedBlockViewModel != null);
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SaveScriptCommand = new RelayCommand(OnSaveScriptCommand, ActiveDocumentIsScript);
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SaveScriptAsCommand = new RelayCommand(OnSaveScriptAsCommand, ActiveDocumentIsScript);
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CopyScriptCommand = new RelayCommand(OnCopyScriptCommand, ActiveDocumentIsScript);
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CopyBlockCommand = new RelayCommand(OnCopyBlockCommand, () => ActiveDocumentIsScript() && (_avalonDockWorkspaceViewModel.ActiveScriptViewModel.SelectedBlockViewModel != null));
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PasteCommand = new RelayCommand(OnPasteCommand, () => ActiveDocumentIsScript() && (_avalonDockWorkspaceViewModel.ActiveScriptViewModel.SelectedBlockViewModel != null));
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NewScriptCommand = new RelayCommand(OnNewScriptCommand);
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CloseScriptCommand = new RelayCommand<IDocument>(OnCloseScriptCommand, v => ActiveDocument != null && ActiveDocument.IsScript);
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ReplaceColorsCommand = new RelayCommand(OnReplaceColorsCommand, () => ActiveDocument != null && ActiveDocument.IsScript);
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CloseScriptCommand = new RelayCommand(OnCloseScriptCommand, ActiveDocumentIsScript);
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ReplaceColorsCommand = new RelayCommand(OnReplaceColorsCommand, ActiveDocumentIsScript);
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//LoadScriptFromFile("C:\\ThioleLootFilter.txt");
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SetItemFilterScriptDirectory();
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_openDocuments.Add(_startPageViewModel);
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ActiveDocument = startPageViewModel;
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Messenger.Default.Register<NotificationMessage>(this, message =>
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{
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switch (message.Notification)
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{
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case "ActiveDocumentChanged":
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{
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_activeDocument = _avalonDockWorkspaceViewModel.ActiveDocument;
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SaveScriptCommand.RaiseCanExecuteChanged();
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SaveScriptAsCommand.RaiseCanExecuteChanged();
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CopyScriptCommand.RaiseCanExecuteChanged();
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CopyBlockCommand.RaiseCanExecuteChanged();
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PasteCommand.RaiseCanExecuteChanged();
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NewScriptCommand.RaiseCanExecuteChanged();
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CloseScriptCommand.RaiseCanExecuteChanged();
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ReplaceColorsCommand.RaiseCanExecuteChanged();
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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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public RelayCommand OpenScriptCommand { get; private set; }
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@@ -90,28 +87,13 @@ namespace Filtration.ViewModels
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public RelayCommand PasteCommand { 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<IDocument> CloseScriptCommand { get; private set; }
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public RelayCommand CloseScriptCommand { get; private set; }
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public RelayCommand OpenAboutWindowCommand { get; private set; }
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public RelayCommand ReplaceColorsCommand { get; private set; }
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public ObservableCollection<IDocument> OpenDocuments
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public IAvalonDockWorkspaceViewModel AvalonDockWorkspaceViewModel
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{
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get { return _openDocuments; }
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}
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private List<IToolViewModel> _tools;
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public IEnumerable<IToolViewModel> Tools
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{
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get
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{
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if (_tools == null)
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{
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_tools = new List<IToolViewModel> {_sectionBrowserViewModel, _blockGroupBrowserViewModel};
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}
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return _tools;
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}
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get { return _avalonDockWorkspaceViewModel; }
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}
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public string WindowTitle
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@@ -124,43 +106,11 @@ namespace Filtration.ViewModels
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}
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}
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public IDocument ActiveDocument
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private bool ActiveDocumentIsScript()
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{
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get { return _activeDocument; }
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set
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{
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_activeDocument = value;
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RaisePropertyChanged();
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if (value.IsScript)
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{
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_activeScriptViewModel = (IItemFilterScriptViewModel)value;
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}
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if (ActiveDocumentChanged != null)
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{
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ActiveDocumentChanged(this, EventArgs.Empty);
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}
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RaisePropertyChanged("NoScriptsOpen");
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SaveScriptCommand.RaiseCanExecuteChanged();
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SaveScriptAsCommand.RaiseCanExecuteChanged();
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}
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}
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public IItemFilterScriptViewModel ActiveScriptViewModel
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{
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get { return _activeScriptViewModel; }
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return _activeDocument != null && _activeDocument.IsScript;
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}
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public event EventHandler ActiveDocumentChanged;
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public bool NoScriptsOpen
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{
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get { return _activeDocument == null; }
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}
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private void OnOpenAboutWindowCommand()
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{
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var aboutWindow = new AboutWindow();
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@@ -182,9 +132,10 @@ namespace Filtration.ViewModels
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public void LoadScriptFromFile(string path)
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{
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var loadedScript = _persistenceService.LoadItemFilterScript(path);
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try
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{
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_loadedScript = _persistenceService.LoadItemFilterScript(path);
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}
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catch (Exception e)
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{
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@@ -194,10 +145,8 @@ namespace Filtration.ViewModels
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}
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var newViewModel = _itemFilterScriptViewModelFactory.Create();
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newViewModel.Initialise(_loadedScript);
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_activeScriptViewModel = newViewModel;
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OpenDocuments.Add((IDocument)newViewModel);
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ActiveDocument = (IDocument)newViewModel;
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newViewModel.Initialise(loadedScript);
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_avalonDockWorkspaceViewModel.AddDocument(newViewModel);
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}
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private void SetItemFilterScriptDirectory()
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@@ -225,96 +174,34 @@ namespace Filtration.ViewModels
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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(_activeScriptViewModel.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.SaveItemFilterScript(_activeScriptViewModel.Script);
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_activeScriptViewModel.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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_avalonDockWorkspaceViewModel.ActiveScriptViewModel.SaveScript();
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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.ItemFilterScriptDirectory
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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 = _activeScriptViewModel.Script.FilePath;
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try
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{
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_activeScriptViewModel.Script.FilePath = saveDialog.FileName;
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_persistenceService.SaveItemFilterScript(_activeScriptViewModel.Script);
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_activeScriptViewModel.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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_activeScriptViewModel.Script.FilePath = previousFilePath;
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}
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_avalonDockWorkspaceViewModel.ActiveScriptViewModel.SaveScriptAs();
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}
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private void OnReplaceColorsCommand()
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{
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_replaceColorsViewModel.Initialise(_activeScriptViewModel.Script);
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_replaceColorsViewModel.Initialise(_avalonDockWorkspaceViewModel.ActiveScriptViewModel.Script);
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var replaceColorsWindow = new ReplaceColorsWindow {DataContext = _replaceColorsViewModel};
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replaceColorsWindow.ShowDialog();
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}
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private bool ValidateScript()
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{
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var result = _activeScriptViewModel.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(_itemFilterScriptTranslator.TranslateItemFilterScriptToString(_activeScriptViewModel.Script));
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Clipboard.SetText(_itemFilterScriptTranslator.TranslateItemFilterScriptToString(_avalonDockWorkspaceViewModel.ActiveScriptViewModel.Script));
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}
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private void OnCopyBlockCommand()
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{
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_activeScriptViewModel.CopyBlock(_activeScriptViewModel.SelectedBlockViewModel);
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_avalonDockWorkspaceViewModel.ActiveScriptViewModel.CopyBlock(_avalonDockWorkspaceViewModel.ActiveScriptViewModel.SelectedBlockViewModel);
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}
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private void OnPasteCommand()
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{
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_activeScriptViewModel.PasteBlock(_activeScriptViewModel.SelectedBlockViewModel);
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_avalonDockWorkspaceViewModel.ActiveScriptViewModel.PasteBlock(_avalonDockWorkspaceViewModel.ActiveScriptViewModel.SelectedBlockViewModel);
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}
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private void OnNewScriptCommand()
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@@ -323,66 +210,12 @@ namespace Filtration.ViewModels
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var newViewModel = _itemFilterScriptViewModelFactory.Create();
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newViewModel.Initialise(newScript);
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newViewModel.Description = "New Script";
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_activeScriptViewModel = newViewModel;
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OpenDocuments.Add((IDocument)newViewModel);
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ActiveDocument = (IDocument)newViewModel;
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_avalonDockWorkspaceViewModel.AddDocument(newViewModel);
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}
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private void OnCloseScriptCommand(IDocument documentToClose)
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private void OnCloseScriptCommand()
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{
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Close(documentToClose);
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_avalonDockWorkspaceViewModel.ActiveScriptViewModel.Close();
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}
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public void Close(IDocument documentToClose)
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{
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ActiveDocument = documentToClose;
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if (ActiveDocument.IsScript)
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{
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if (!_activeScriptViewModel.IsDirty)
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{
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RemoveDocument(ActiveDocument);
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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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RemoveDocument(ActiveDocument);
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break;
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}
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case DialogResult.No:
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{
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RemoveDocument(ActiveDocument);
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break;
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}
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case DialogResult.Cancel:
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{
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return;
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}
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}
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}
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}
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else
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{
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RemoveDocument(documentToClose);
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}
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}
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private void RemoveDocument(IDocument documentToRemove)
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{
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if (documentToRemove.IsScript)
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{
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_sectionBrowserViewModel.ClearDown();
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}
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OpenDocuments.Remove(documentToRemove);
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}
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}
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}
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