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https://onedev.site.tesses.net/crosslang/crosslangdevstudio
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409
ViewModels/MainWindowViewModel.cs
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409
ViewModels/MainWindowViewModel.cs
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using System;
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using System.Collections.ObjectModel;
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using System.IO;
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using System.Net.Http;
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using System.Threading.Tasks;
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using Avalonia.Controls;
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using Avalonia.Platform.Storage;
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using CommunityToolkit.Mvvm.ComponentModel;
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using CommunityToolkit.Mvvm.Input;
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using CommunityToolkit.Mvvm.Messaging;
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using CrossLangDevStudio.Messages;
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using CrossLangDevStudio.Models;
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using CrossLangDevStudio.Views;
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namespace CrossLangDevStudio.ViewModels;
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public partial class MainWindowViewModel : ViewModelBase
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{
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public HttpClient Client { get; set; } = new();
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public string CurrentProject { get; set; } = "";
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public Func<object> NewItemFactory => AddItem;
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public ObservableCollection<TabItemViewModel> TabItems { get; } = new();
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public ObservableCollection<ProjectFileNode> ProjectFiles { get; } = new ObservableCollection<ProjectFileNode>();
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public EventHandler<Tabalonia.Events.CloseLastTabEventArgs>? Closed { get; } = null;
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public TabItemViewModel WelcomePage
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{
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get
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{
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return new TabItemViewModel()
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{
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Header = "Welcome",
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Body = new WelcomeViewModel(this)
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};
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}
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}
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private ProjectFileNode? _selectedProjectFile = null;
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public ProjectFileNode? SelectedProjectFile
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{
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get => _selectedProjectFile;
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set
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{
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_selectedProjectFile = value;
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value?.Click?.Invoke();
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}
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}
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public MainWindowViewModel(string[] args)
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{
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if (args.Length == 1)
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{
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LoadProject(args[0]);
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}
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if (string.IsNullOrWhiteSpace(CurrentProject))
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this.TabItems.Add(WelcomePage);
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}
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private object AddItem()
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{
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var tab = new TabItemViewModel
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{
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Header = "New Tab",
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};
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if (Directory.Exists(CurrentProject))
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{
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var newTabItem = new NewTabViewModel(this, tab);
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tab.Body = newTabItem;
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}
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return tab;
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}
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internal void LoadProject(string obj)
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{
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if (!File.Exists(Path.Combine(obj, "cross.json")))
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{
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return;
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}
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CrossLangShell.EnsureRecent(obj);
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CurrentProject = obj.TrimEnd(Path.DirectorySeparatorChar);
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Refresh(CurrentProject);
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}
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[RelayCommand]
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public void RefreshListing()
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{
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if (!File.Exists(Path.Combine(CurrentProject, "cross.json")))
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{
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return;
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}
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Refresh(CurrentProject);
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}
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private void Refresh(string obj)
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{
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for (int i = 0; i < TabItems.Count; i++)
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{
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if (TabItems[i].Body is WelcomeViewModel)
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{
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TabItems.RemoveAt(i);
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i--;
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}
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}
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ObservableCollection<ProjectFileNode> entries = new ObservableCollection<ProjectFileNode>
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{
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new ProjectFileNode("Project",[
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new ProjectFileNode("Configuration",()=>{
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OpenProjectConfig();
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}),
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new ProjectFileNode("Packages")
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])
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};
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void Itterate(ObservableCollection<ProjectFileNode> nodes, string dir)
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{
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foreach (var item in Directory.EnumerateDirectories(dir))
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{
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ObservableCollection<ProjectFileNode> files = new();
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Itterate(files, item);
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var pfn = new ProjectFileNode(Path.GetFileName(item), files);
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nodes.Add(pfn);
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}
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foreach (var item in Directory.EnumerateFiles(dir))
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{
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nodes.Add(new ProjectFileNode(Path.GetFileName(item), () =>
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{
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OpenFile(item);
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}));
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}
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}
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Itterate(entries, obj);
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ProjectFiles.Clear();
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ProjectFiles.Add(new ProjectFileNode(Path.GetFileName(obj), entries));
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}
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private void OpenProjectConfig()
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{
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if (Directory.Exists(CurrentProject))
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{
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var config = Path.Combine(CurrentProject, "cross.json");
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foreach (var item in TabItems)
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{
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if (item.Body is ProjectConfigurationViewModel model && model.FilePath == config)
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{
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return;
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}
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}
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TabItemViewModel vm = new TabItemViewModel();
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vm.Header = "Project Configuration";
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var pcm = new ProjectConfigurationViewModel(config, vm);
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vm.Body = pcm;
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AddTab(vm);
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}
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}
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static string[] FILE_EXTS = new string[]{
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".tcross",
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".json",
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".txt",
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".cpp",
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".hpp",
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".html",
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".css",
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".webmanifest",
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".cs",
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".c",
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".h",
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".xml",
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".xaml",
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".js",
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".jsx",
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".ts",
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".tsx",
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".gitignore",
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".svg"
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};
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public void OpenFile(string path)
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{
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bool isValid = false;
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foreach (var item in FILE_EXTS)
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{
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if (Path.GetExtension(path).ToLower() == item)
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isValid = true;
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}
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if (!isValid) return;
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foreach (var item in TabItems)
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{
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if (item.Body is FileEditorViewModel model)
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{
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if (model.FilePath == path)
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{
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SelectedTab = item;
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return;
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}
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}
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}
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var tab = new TabItemViewModel
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{
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Header = Path.GetFileName(path),
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};
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tab.Body = new FileEditorViewModel(path,tab);
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AddTab(tab);
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}
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[ObservableProperty]
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private TabItemViewModel? _selectedTab = null;
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private void AddTab(TabItemViewModel item)
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{
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TabItems.Add(item);
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SelectedTab = item;
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}
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[RelayCommand]
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public async Task NewProjectAsync()
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{
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var res = await WeakReferenceMessenger.Default.Send(new NewProjectMessage());
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if (!string.IsNullOrWhiteSpace(res))
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{
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LoadProject(res);
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}
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}
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[RelayCommand]
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public async Task OpenProjectAsync()
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{
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var opts = new FolderPickerOpenOptions();
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opts.AllowMultiple = false;
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opts.Title = "Open Project";
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var window = await WeakReferenceMessenger.Default.Send(new GetWindowMessage());
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opts.SuggestedStartLocation = await window.StorageProvider.TryGetFolderFromPathAsync(CrossLangShell.Settings.ProjectDirectory) ?? null;
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var res = await window.StorageProvider.OpenFolderPickerAsync(opts);
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if (res.Count == 1)
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{
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var url = res[0].TryGetLocalPath();
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if (!string.IsNullOrWhiteSpace(url))
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{
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LoadProject(url);
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}
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}
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}
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[RelayCommand]
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private void OpenProjectInFileManager()
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{
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if (Directory.Exists(CurrentProject))
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{
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CrossLangShell.OpenFolderInFileManager(CurrentProject);
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}
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}
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[RelayCommand]
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private void OpenProjectInTerminal()
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{
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if (Directory.Exists(CurrentProject))
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{
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CrossLangShell.OpenTerminalInFolder(CurrentProject);
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}
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}
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[RelayCommand]
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private void BuildAndRun()
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{
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SaveAll();
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if (Directory.Exists(CurrentProject))
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{
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CrossLangShell.RunProjectInFolder(CurrentProject);
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}
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}
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[RelayCommand]
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private void Build()
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{
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SaveAll();
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if (Directory.Exists(CurrentProject))
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{
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CrossLangShell.BuildProjectInFolder(CurrentProject);
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}
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}
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[RelayCommand]
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private void Save()
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{
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SelectedTab?.Save();
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}
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[RelayCommand]
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private void SaveAll()
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{
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foreach (var tab in TabItems)
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{
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tab.Save();
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}
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}
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}
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public partial class NewTabViewModel : ViewModelBase
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{
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private MainWindowViewModel mainWindowViewModel;
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private TabItemViewModel tab;
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public NewTabViewModel(MainWindowViewModel mainWindowViewModel, TabItemViewModel tab)
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{
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this.mainWindowViewModel = mainWindowViewModel;
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this.tab = tab;
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}
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[ObservableProperty]
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private string _filePath = "src/";
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[ObservableProperty]
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private decimal _progress = 0;
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[ObservableProperty]
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private string _url = "";
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[RelayCommand]
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private void CreateDirectory()
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{
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if (!string.IsNullOrWhiteSpace(FilePath))
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{
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Directory.CreateDirectory(Path.Combine(mainWindowViewModel.CurrentProject, FilePath));
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mainWindowViewModel.RefreshListing();
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mainWindowViewModel.TabItems.Remove(tab);
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}
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}
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[RelayCommand]
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private void CreateFile()
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{
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if (!string.IsNullOrWhiteSpace(FilePath))
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{
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var path = Path.Combine(mainWindowViewModel.CurrentProject, FilePath);
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File.WriteAllText(path, "");
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mainWindowViewModel.RefreshListing();
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mainWindowViewModel.TabItems.Remove(tab);
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mainWindowViewModel.OpenFile(path);
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}
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}
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[RelayCommand]
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private async Task DownloadFileAsync()
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{
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try
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{
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using var destStrm = File.Create(Path.Combine(mainWindowViewModel.CurrentProject, FilePath));
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var res = await mainWindowViewModel.Client.GetAsync(Url);
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long length = 0;
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long offset = 0;
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Progress = 0;
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if (res.IsSuccessStatusCode)
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{
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if (res.Content.Headers.ContentLength.HasValue)
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{
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length = res.Content.Headers.ContentLength.Value;
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byte[] array = new byte[1024];
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int read = 0;
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using var src = await res.Content.ReadAsStreamAsync();
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do
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{
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read = await src.ReadAsync(array);
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await destStrm.WriteAsync(array, 0, read);
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offset += read;
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if (length > 0)
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{
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Progress = (decimal)offset / (decimal)length;
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}
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} while (read != 0);
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}
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else
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{
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await res.Content.CopyToAsync(destStrm);
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}
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Progress = 1;
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mainWindowViewModel.RefreshListing();
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mainWindowViewModel.TabItems.Remove(tab);
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}
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else
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{
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throw new Exception();
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}
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}
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catch (Exception)
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{
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File.Delete(FilePath);
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this.Url = $"FAILED: {this.Url}";
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}
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}
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}
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