Implemented "Quick SSH" dialog (#423)
* Simplifying view models, step 1: Extracting common terminal configuration into TerminalInfoViewModel.cs. * Simplifying a bit. * SSH view models simplfication. * Refactoring duplicated code. * Refactoring duplicated code. * Renaming a resource file. * Cleanup. * Fixing an issue with TemplateSelectors. * QuickSshDialog created. * Minor fix. * Wiring up QuickSshDialog. * Minor fix. * Fixed an issue with shared resources. * Single-text-box dialog works. * Improving "Quick SSH" look. * Improving data validation workflow to avoid double validations. * Refactoring view models and templates to avoid duplicated code. * Minor fix. * Fixing a bug with mosh. * Cleanup. * Cleanup. * Moving profile view models in a separate folder (namespace). * Few comment lines (short description) added to profile view models. * Removing IDisposable from view-models because event-caused memory leaks will be solved differently. * Implemented quick-ssh shortcuts. * Fixing quick SSH command validation. * Minor change. * Minor change. * Combining "SSH Info" and "Quick SSH" into a single dialog. * Quick SSH profiles. * Fixing a minor bug with custom links. * Fixing remote profiles look and feel. * Minor improvements. * Fixing a minor bug. * Minor changes based on Felix' comments. * Saving executed commands history implemented.
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Aleksandar Pesic authored and Felix committed
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using System;
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using System.Collections.Generic;
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using System.Linq;
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using System.Threading.Tasks;
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using FluentTerminal.App.Services;
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using FluentTerminal.App.Services.Utilities;
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using FluentTerminal.App.ViewModels.Infrastructure;
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using FluentTerminal.App.ViewModels.Profiles;
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using FluentTerminal.App.ViewModels.Settings;
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using FluentTerminal.Models;
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using GalaSoft.MvvmLight;
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using GalaSoft.MvvmLight.Command;
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namespace FluentTerminal.App.ViewModels
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{
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/// <summary>
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/// Base class for all shell profile view models. Implements logic for saving, editing, resetting, etc.
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/// </summary>
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/// <typeparam name="T"></typeparam>
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public abstract class ShellProfileViewModelBase<T> : ViewModelBase where T : ProfileProviderViewModelBase
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{
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#region Fields
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protected readonly IDialogService DialogService;
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protected readonly ISettingsService SettingsService;
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private List<KeyBinding> _bindingsBeforeEdit;
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private string _nameBeforeEdit;
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#endregion Fields
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#region Properties
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protected bool IsNew { get; private set; }
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public Guid Id { get; private set; }
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private bool _inEditMode;
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public bool InEditMode
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{
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get => _inEditMode;
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set => Set(ref _inEditMode, value);
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}
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private string _name;
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public string Name
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{
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get => _name;
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set => Set(ref _name, value);
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}
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public KeyBindingsViewModel KeyBindings { get; }
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public T ProfileVm { get; protected set; }
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#endregion Properties
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#region Events
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public event EventHandler Deleted;
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#endregion Events
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#region Commands
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public IAsyncCommand CancelEditCommand { get; }
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public IAsyncCommand DeleteCommand { get; }
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public RelayCommand EditCommand { get; }
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public IAsyncCommand SaveChangesCommand { get; }
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public IAsyncCommand AddKeyboardShortcutCommand { get; }
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#endregion Commands
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#region Constructor
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protected ShellProfileViewModelBase(ShellProfile shellProfile, ISettingsService settingsService, IDialogService dialogService, bool isNew)
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{
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SettingsService = settingsService;
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DialogService = dialogService;
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IsNew = isNew;
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KeyBindings = new KeyBindingsViewModel(shellProfile.Id.ToString(), dialogService, string.Empty, false);
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Initialize(shellProfile);
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DeleteCommand = new AsyncCommand(Delete, CanDelete);
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EditCommand = new RelayCommand(Edit);
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CancelEditCommand = new AsyncCommand(CancelEdit);
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SaveChangesCommand = new AsyncCommand(SaveChangesAsync);
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AddKeyboardShortcutCommand = new AsyncCommand(AddKeyboardShortcut);
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}
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#endregion Constructor
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#region Methods
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// Loads view model properties from the input shellProfile
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protected void Initialize(ShellProfile shellProfile)
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{
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Id = shellProfile.Id;
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Name = shellProfile.Name;
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KeyBindings.Clear();
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foreach (var keyBinding in shellProfile.KeyBindings.Select(x => new KeyBinding(x)).ToList())
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{
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KeyBindings.Add(keyBinding);
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}
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}
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protected virtual bool HasChanges()
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{
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return ProfileVm.HasChanges() || !_nameBeforeEdit.NullableEqualTo(_name) ||
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!(_bindingsBeforeEdit?.SequenceEqual(KeyBindings.KeyBindings.Select(x => x.Model).ToList()) ??
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false);
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}
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private async Task Delete()
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{
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var result = await DialogService.ShowMessageDialogAsnyc(I18N.Translate("PleaseConfirm"),
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I18N.Translate("ConfirmDeleteProfile"), DialogButton.OK, DialogButton.Cancel).ConfigureAwait(true);
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if (result == DialogButton.OK)
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{
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Deleted?.Invoke(this, EventArgs.Empty);
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}
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}
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protected abstract bool CanDelete();
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private void Edit()
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{
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if (InEditMode)
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{
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return;
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}
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_bindingsBeforeEdit = KeyBindings.KeyBindings.Select(x => x.Model).ToList();
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_nameBeforeEdit = _name;
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KeyBindings.Editable = true;
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InEditMode = true;
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}
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private async Task CancelEdit()
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{
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if (IsNew)
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{
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await Delete();
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}
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else
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{
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if (HasChanges())
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{
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var result = await DialogService.ShowMessageDialogAsnyc(I18N.Translate("PleaseConfirm"),
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I18N.Translate("ConfirmDiscardChanges"), DialogButton.OK, DialogButton.Cancel)
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.ConfigureAwait(true);
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if (result == DialogButton.OK)
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{
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// Cancelled, so rollback
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ProfileVm.RejectChanges();
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KeyBindings.Editable = false;
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InEditMode = false;
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}
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}
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else
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{
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KeyBindings.Editable = false;
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InEditMode = false;
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}
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}
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}
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public virtual async Task SaveChangesAsync()
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{
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var error = await ProfileVm.AcceptChangesAsync();
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if (!string.IsNullOrEmpty(error))
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{
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await DialogService.ShowMessageDialogAsnyc(I18N.Translate("InvalidInput"), error, DialogButton.OK);
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return;
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}
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var profile = ProfileVm.Model;
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profile.Id = Id;
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profile.Name = _name;
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profile.KeyBindings = KeyBindings.KeyBindings.Select(x => x.Model).ToList();
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if (profile is SshProfile sshProfile)
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{
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SettingsService.SaveSshProfile(sshProfile, IsNew);
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}
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else
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{
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SettingsService.SaveShellProfile(profile, IsNew);
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}
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KeyBindings.Editable = false;
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InEditMode = false;
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IsNew = false;
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}
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public Task AddKeyboardShortcut()
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{
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return KeyBindings.ShowAddKeyBindingDialog();
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}
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#endregion Methods
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}
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}
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