Files
FileTime/src/GuiApp/FileTime.Uno/FileTime.Uno.Shared/ViewModels/MainPageViewModel.cs
2022-01-24 10:32:19 +01:00

594 lines
23 KiB
C#

using FileTime.Core.Components;
using FileTime.Core.Extensions;
using FileTime.Core.Interactions;
using FileTime.Core.Models;
using FileTime.Providers.Local;
using FileTime.Uno.Application;
using FileTime.Uno.Command;
using FileTime.Uno.Misc;
using FileTime.Uno.Models;
using FileTime.Uno.Services;
using MvvmGen;
using System;
using System.Collections.Generic;
using System.Collections.ObjectModel;
using System.Diagnostics;
using System.IO;
using System.Linq;
using System.Runtime.InteropServices;
using System.Threading.Tasks;
using Windows.System;
namespace FileTime.Uno.ViewModels
{
[ViewModel]
[Inject(typeof(LocalContentProvider))]
[Inject(typeof(AppState), PropertyAccessModifier = AccessModifier.Public)]
[Inject(typeof(ItemNameConverterService))]
public partial class MainPageViewModel
{
const string RAPIDTRAVEL = "rapidTravel";
private readonly List<KeyWithModifiers> _previousKeys = new List<KeyWithModifiers>();
private readonly List<KeyWithModifiers[]> _keysToSkip = new List<KeyWithModifiers[]>();
private bool _isAltPressed = false;
private bool _isShiftPressed = false;
private bool _isCtrlPressed = false;
private List<CommandBinding> _commandBindings = new();
private List<CommandBinding> _universalCommandBindings = new();
private Action _inputHandler;
[Property]
private string _text;
[Property]
private bool _noCommandFound;
[Property]
private List<CommandBinding> _possibleCommands = new();
[Property]
private List<InputElementWrapper> _inputs;
[Property]
private List<RootDriveInfo> _rootDriveInfos;
[Property]
private ObservableCollection<TabControlViewModel> _tabs = new ObservableCollection<TabControlViewModel>();
public Action FocusDefaultElement { get; set; }
async partial void OnInitialize()
{
InitCommandBindings();
_keysToSkip.Add(new KeyWithModifiers[] { new KeyWithModifiers(VirtualKey.Up) });
_keysToSkip.Add(new KeyWithModifiers[] { new KeyWithModifiers(VirtualKey.Down) });
_keysToSkip.Add(new KeyWithModifiers[] { new KeyWithModifiers(VirtualKey.Tab) });
_keysToSkip.Add(new KeyWithModifiers[] { new KeyWithModifiers(VirtualKey.PageDown) });
_keysToSkip.Add(new KeyWithModifiers[] { new KeyWithModifiers(VirtualKey.PageUp) });
var tab = new Tab();
await tab.Init(LocalContentProvider);
var tabContainer = new TabContainer(tab, LocalContentProvider, ItemNameConverterService);
await tabContainer.Init();
AppState.Tabs = new List<TabContainer>()
{
tabContainer
};
_tabs.Add(new TabControlViewModel(1, tabContainer));
var driveInfos = new List<RootDriveInfo>();
foreach (var drive in DriveInfo.GetDrives().Where(d => d.DriveType == DriveType.Fixed))
{
var container = RuntimeInformation.IsOSPlatform(OSPlatform.Windows)
? await GetContainerForWindowsDrive(drive)
: await GetContainerForLinuxDrive(drive);
if (container != null)
{
var driveInfo = new RootDriveInfo(drive, container);
driveInfos.Add(driveInfo);
}
}
//TODO: order by
RootDriveInfos = driveInfos;
}
private async Task<IContainer> GetContainerForWindowsDrive(DriveInfo drive)
{
return (await LocalContentProvider.GetRootContainers()).FirstOrDefault(d => d.Name == drive.Name.TrimEnd(Path.DirectorySeparatorChar));
}
private async Task<IContainer> GetContainerForLinuxDrive(DriveInfo drive)
{
return await LocalContentProvider.GetByPath(drive.Name) as IContainer;
}
public async Task OpenContainer()
{
AppState.RapidTravelText = "";
await AppState.SelectedTab.Open();
}
public async Task OpenOrRun()
{
if (AppState.SelectedTab.SelectedItem is ContainerViewModel)
{
await OpenContainer();
}
else if (AppState.SelectedTab.SelectedItem is ElementViewModel elementViewModel && elementViewModel.Element is LocalFile localFile)
{
Process.Start(new ProcessStartInfo(localFile.File.FullName) { UseShellExecute = true });
if (AppState.ViewMode == ViewMode.RapidTravel)
{
await ExitRapidTravelMode();
}
}
}
public async Task GoUp()
{
await AppState.SelectedTab.GoUp();
}
public async Task MoveCursorUp()
{
await AppState.SelectedTab.MoveCursorUp();
}
public async Task MoveCursorDown()
{
await AppState.SelectedTab.MoveCursorDown();
}
public async Task MoveCursorUpPage()
{
await AppState.SelectedTab.MoveCursorUpPage();
}
public async Task MoveCursorDownPage()
{
await AppState.SelectedTab.MoveCursorDownPage();
}
public async Task MoveToFirst()
{
await AppState.SelectedTab.MoveCursorToFirst();
}
public async Task MoveToLast()
{
await AppState.SelectedTab.MoveCursorToLast();
}
public async Task GotToProvider()
{
await AppState.SelectedTab.GotToProvider();
}
public async Task GotToRoot()
{
await AppState.SelectedTab.GotToRoot();
}
public async Task GotToHome()
{
await AppState.SelectedTab.GotToHome();
}
public Task EnterRapidTravelMode()
{
AppState.ViewMode = ViewMode.RapidTravel;
_previousKeys.Clear();
PossibleCommands = new();
FocusDefaultElement?.Invoke();
return Task.CompletedTask;
}
public async Task ExitRapidTravelMode()
{
AppState.ViewMode = ViewMode.Default;
_previousKeys.Clear();
PossibleCommands = new();
AppState.RapidTravelText = "";
await AppState.SelectedTab.OpenContainer(await AppState.SelectedTab.CurrentLocation.Container.WithoutVirtualContainer(RAPIDTRAVEL));
FocusDefaultElement?.Invoke();
}
public async Task SwitchToTab(int number)
{
var tab = _tabs.FirstOrDefault(t => t.TabNumber == number);
if (number == -1)
{
var greatestNumber = _tabs.Select(t => t.TabNumber).Max();
tab = _tabs.FirstOrDefault(t => t.TabNumber == greatestNumber);
}
else if (tab == null)
{
var newContainer = await AppState.SelectedTab.CurrentLocation.Container.Clone();
var newTab = new Tab();
await newTab.Init(newContainer);
var tabContainer = new TabContainer(newTab, LocalContentProvider, ItemNameConverterService);
await tabContainer.Init();
tab = new TabControlViewModel(number, tabContainer);
var i = 0;
for (i = 0; i < Tabs.Count; i++)
{
if (Tabs[i].TabNumber > number) break;
}
Tabs.Insert(i, tab);
}
if (AppState.ViewMode == ViewMode.RapidTravel)
{
await ExitRapidTravelMode();
}
AppState.SelectedTab = tab.Tab;
foreach (var tab2 in Tabs)
{
tab2.IsSelected = tab2.TabNumber == tab.TabNumber;
}
}
public async Task CloseTab()
{
if (_tabs.Count > 1)
{
var currentTab = _tabs.FirstOrDefault(t => t.Tab == AppState.SelectedTab);
if (currentTab != null)
{
_tabs.Remove(currentTab);
var tabNumber = _tabs[0].TabNumber;
for (var i = 0; i < Tabs.Count; i++)
{
if (Tabs[i].TabNumber > currentTab.TabNumber) break;
tabNumber = _tabs[i].TabNumber;
}
await SwitchToTab(tabNumber);
}
}
}
public Task CreateContainer()
{
var handler = () =>
{
if (Inputs != null)
{
AppState.SelectedTab.CreateContainer(Inputs[0].Value).Wait();
Inputs = null;
}
};
ReadInputs(new List<InputElement>() { new InputElement("Container name", InputType.Text) }, handler);
return Task.CompletedTask;
}
[Command]
public void ProcessInputs()
{
_inputHandler();
Inputs = null;
_inputHandler = null;
}
[Command]
public void CancelInputs()
{
Inputs = null;
_inputHandler = null;
}
public async Task<bool> ProcessKeyDown(VirtualKey key)
{
NoCommandFound = false;
if (key == VirtualKey.Menu)
{
_isAltPressed = true;
}
else if (key == VirtualKey.Shift)
{
_isShiftPressed = true;
}
else if (key == VirtualKey.Control)
{
_isCtrlPressed = true;
}
else
{
if (AppState.ViewMode == ViewMode.Default)
{
var keyWithModifiers = new KeyWithModifiers(key, _isAltPressed, _isShiftPressed, _isCtrlPressed);
_previousKeys.Add(keyWithModifiers);
var selectedCommandBinding = _universalCommandBindings.Find(c => AreKeysEqual(c.Keys, _previousKeys));
selectedCommandBinding ??= _commandBindings.Find(c => AreKeysEqual(c.Keys, _previousKeys));
if (key == VirtualKey.Escape)
{
_previousKeys.Clear();
PossibleCommands = new();
}
else if (selectedCommandBinding != null)
{
await selectedCommandBinding.InvokeAsync();
_previousKeys.Clear();
PossibleCommands = new();
FocusDefaultElement?.Invoke();
}
else if (_keysToSkip.Any(k => AreKeysEqual(k, _previousKeys)))
{
_previousKeys.Clear();
PossibleCommands = new();
}
else if (_previousKeys.Count == 2)
{
NoCommandFound = true;
_previousKeys.Clear();
PossibleCommands = new();
}
else
{
var possibleCommands = _universalCommandBindings.Concat(_commandBindings).Where(c => AreKeysEqual(c.Keys[0], keyWithModifiers)).ToList();
if (possibleCommands.Count == 0)
{
NoCommandFound = true;
_previousKeys.Clear();
}
else
{
PossibleCommands = possibleCommands;
}
}
return true;
}
else
{
var keyString = key.ToString();
var updateRapidTravelFilter = false;
if (key == VirtualKey.Escape)
{
await ExitRapidTravelMode();
}
else if (key == VirtualKey.Back)
{
if (AppState.RapidTravelText.Length > 0)
{
AppState.RapidTravelText = AppState.RapidTravelText.Substring(0, AppState.RapidTravelText.Length - 1);
updateRapidTravelFilter = true;
}
}
else if (keyString.Length == 1)
{
AppState.RapidTravelText += keyString.ToString().ToLower();
updateRapidTravelFilter = true;
}
else
{
var currentKeyAsList = new List<KeyWithModifiers>() { new KeyWithModifiers(key) };
var selectedCommandBinding = _universalCommandBindings.Find(c => AreKeysEqual(c.Keys, currentKeyAsList));
if (selectedCommandBinding != null)
{
await selectedCommandBinding.InvokeAsync();
FocusDefaultElement?.Invoke();
}
}
if (updateRapidTravelFilter)
{
var currentLocation = await AppState.SelectedTab.CurrentLocation.Container.WithoutVirtualContainer(RAPIDTRAVEL);
var newLocation = new VirtualContainer(
currentLocation,
new List<Func<IEnumerable<IContainer>, IEnumerable<IContainer>>>()
{
container => container.Where(c => c.Name.ToLower().Contains(AppState.RapidTravelText))
},
new List<Func<IEnumerable<IElement>, IEnumerable<IElement>>>()
{
element => element.Where(e => e.Name.ToLower().Contains(AppState.RapidTravelText))
},
virtualContainerName: RAPIDTRAVEL
);
await newLocation.Init();
await AppState.SelectedTab.OpenContainer(newLocation);
var selectedItemName = AppState.SelectedTab.SelectedItem.Item.Name;
if (!AppState.SelectedTab.CurrentLocation.Items.Select(i => i.Item.Name).Any(n => n == selectedItemName))
{
await AppState.SelectedTab.MoveCursorToFirst();
}
FocusDefaultElement?.Invoke();
}
return true;
}
}
return false;
}
public Task<bool> ProcessKeyUp(VirtualKey key)
{
if (key == VirtualKey.Menu)
{
_isAltPressed = false;
}
else if (key == VirtualKey.Shift)
{
_isShiftPressed = false;
}
else if (key == VirtualKey.Control)
{
_isCtrlPressed = false;
}
return Task.FromResult(false);
}
public void ResetSpecialKeys()
{
_isAltPressed = false;
_isShiftPressed = false;
_isCtrlPressed = false;
}
private void ReadInputs(List<InputElement> inputs, Action inputHandler)
{
Inputs = inputs.Select(i => new InputElementWrapper(i)).ToList();
_inputHandler = inputHandler;
}
private static bool AreKeysEqual(IReadOnlyList<KeyWithModifiers> collection1, IReadOnlyList<KeyWithModifiers> collection2)
{
if (collection1.Count != collection2.Count) return false;
for (var i = 0; i < collection1.Count; i++)
{
if (!AreKeysEqual(collection1[i], collection2[i])) return false;
}
return true;
}
private static bool AreKeysEqual(KeyWithModifiers key1, KeyWithModifiers key2) =>
key1.Key == key2.Key
&& key1.Alt == key2.Alt
&& key1.Shift == key2.Shift
&& key1.Ctrl == key1.Ctrl;
private void InitCommandBindings()
{
var commandBindings = new List<CommandBinding>()
{
new CommandBinding(
"enter rapid travel mode",
FileTime.App.Core.Command.Commands.EnterRapidTravel,
new KeyWithModifiers[]{new KeyWithModifiers((VirtualKey)188, shift: true)},
EnterRapidTravelMode),
new CommandBinding(
"create container",
FileTime.App.Core.Command.Commands.CreateContainer,
new KeyWithModifiers[]{new KeyWithModifiers(VirtualKey.C),new KeyWithModifiers(VirtualKey.C)},
CreateContainer),
new CommandBinding(
"move to first",
FileTime.App.Core.Command.Commands.MoveToTop,
new KeyWithModifiers[]{new KeyWithModifiers(VirtualKey.G),new KeyWithModifiers(VirtualKey.G)},
MoveToFirst),
new CommandBinding(
"move to last",
FileTime.App.Core.Command.Commands.MoveToBottom,
new KeyWithModifiers[]{new KeyWithModifiers(VirtualKey.G, shift: true)},
MoveToLast),
new CommandBinding(
"go to provider",
FileTime.App.Core.Command.Commands.GoToProvider,
new KeyWithModifiers[]{new KeyWithModifiers(VirtualKey.G),new KeyWithModifiers(VirtualKey.T)},
GotToProvider),
new CommandBinding(
"go to root",
FileTime.App.Core.Command.Commands.GoToRoot,
new KeyWithModifiers[]{new KeyWithModifiers(VirtualKey.G),new KeyWithModifiers(VirtualKey.R)},
GotToRoot),
new CommandBinding(
"go to home",
FileTime.App.Core.Command.Commands.GoToHome,
new KeyWithModifiers[]{new KeyWithModifiers(VirtualKey.G),new KeyWithModifiers(VirtualKey.H)},
GotToHome),
new CommandBinding(
"switch to tab 1",
FileTime.App.Core.Command.Commands.GoToHome,
new KeyWithModifiers[]{new KeyWithModifiers(VirtualKey.Number1)},
async() => await SwitchToTab(1)),
new CommandBinding(
"switch to tab 2",
FileTime.App.Core.Command.Commands.GoToHome,
new KeyWithModifiers[]{new KeyWithModifiers(VirtualKey.Number2)},
async() => await SwitchToTab(2)),
new CommandBinding(
"switch to tab 3",
FileTime.App.Core.Command.Commands.GoToHome,
new KeyWithModifiers[]{new KeyWithModifiers(VirtualKey.Number3)},
async() => await SwitchToTab(3)),
new CommandBinding(
"switch to tab 4",
FileTime.App.Core.Command.Commands.GoToHome,
new KeyWithModifiers[]{new KeyWithModifiers(VirtualKey.Number4)},
async() => await SwitchToTab(4)),
new CommandBinding(
"switch to tab 5",
FileTime.App.Core.Command.Commands.GoToHome,
new KeyWithModifiers[]{new KeyWithModifiers(VirtualKey.Number5)},
async() => await SwitchToTab(5)),
new CommandBinding(
"switch to tab 6",
FileTime.App.Core.Command.Commands.GoToHome,
new KeyWithModifiers[]{new KeyWithModifiers(VirtualKey.Number6)},
async() => await SwitchToTab(6)),
new CommandBinding(
"switch to tab 7",
FileTime.App.Core.Command.Commands.GoToHome,
new KeyWithModifiers[]{new KeyWithModifiers(VirtualKey.Number7)},
async() => await SwitchToTab(7)),
new CommandBinding(
"switch to tab 8",
FileTime.App.Core.Command.Commands.GoToHome,
new KeyWithModifiers[]{new KeyWithModifiers(VirtualKey.Number8)},
async() => await SwitchToTab(8)),
new CommandBinding(
"switch to last tab",
FileTime.App.Core.Command.Commands.GoToHome,
new KeyWithModifiers[]{new KeyWithModifiers(VirtualKey.Number9)},
async() => await SwitchToTab(-1)),
new CommandBinding(
"close tab",
FileTime.App.Core.Command.Commands.GoToHome,
new KeyWithModifiers[]{new KeyWithModifiers(VirtualKey.Q)},
CloseTab),
};
var universalCommandBindings = new List<CommandBinding>()
{
new CommandBinding("go up", FileTime.App.Core.Command.Commands.GoUp, new KeyWithModifiers[]{new KeyWithModifiers(VirtualKey.Left)}, GoUp),
new CommandBinding("open", FileTime.App.Core.Command.Commands.Open, new KeyWithModifiers[]{new KeyWithModifiers(VirtualKey.Right)}, OpenContainer),
new CommandBinding("open or run", FileTime.App.Core.Command.Commands.OpenOrRun, new KeyWithModifiers[]{new KeyWithModifiers(VirtualKey.Enter)}, OpenOrRun),
/*new CommandBinding("cursor up", FileTime.App.Core.Command.Commands.MoveCursorUp, new KeyWithModifiers[]{new KeyWithModifiers(VirtualKey.Up)}, MoveCursorUp),
new CommandBinding("cursor down", FileTime.App.Core.Command.Commands.MoveCursorDown, new KeyWithModifiers[]{new KeyWithModifiers(VirtualKey.Down)}, MoveCursorDown),
new CommandBinding("cursor page up", FileTime.App.Core.Command.Commands.MoveCursorUpPage, new KeyWithModifiers[]{new KeyWithModifiers(VirtualKey.PageUp)}, MoveCursorUpPage),
new CommandBinding("cursor page down", FileTime.App.Core.Command.Commands.MoveCursorDownPage, new KeyWithModifiers[]{new KeyWithModifiers(VirtualKey.PageDown)}, MoveCursorDownPage),*/
/*new CommandBinding("", null, new KeyWithModifiers[]{new KeyWithModifiers(VirtualKey.Up)}, () =>{ }),
new CommandBinding("", null, new KeyWithModifiers[]{new KeyWithModifiers(VirtualKey.Down)}, () =>{ }),
new CommandBinding("", null, new KeyWithModifiers[]{new KeyWithModifiers(VirtualKey.PageUp)}, () =>{ }),
new CommandBinding("", null, new KeyWithModifiers[]{new KeyWithModifiers(VirtualKey.PageDown)}, () =>{ }),
new CommandBinding("", null, new KeyWithModifiers[]{new KeyWithModifiers(VirtualKey.Tab)}, () =>{ }),*/
};
_commandBindings.AddRange(commandBindings);
_universalCommandBindings.AddRange(universalCommandBindings);
}
}
}