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Initial multiselect implementation
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@Aurumaker72
Aurumaker72 committed Nov 12, 2023
1 parent 2db2743 commit 6ed7d26
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Showing 4 changed files with 188 additions and 173 deletions.
249 changes: 111 additions & 138 deletions RsrcArchitect.ViewModels/DialogEditorViewModel.cs
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Original file line number Diff line number Diff line change
@@ -1,13 +1,13 @@
using System.Numerics;
using System.Text;
using System.Collections.ObjectModel;
using System.Diagnostics;
using System.Numerics;
using CommunityToolkit.Mvvm.ComponentModel;
using CommunityToolkit.Mvvm.Input;
using CommunityToolkit.Mvvm.Messaging;
using RsrcArchitect.Services;
using RsrcArchitect.ViewModels.Factories;
using RsrcArchitect.ViewModels.Helpers;
using RsrcArchitect.ViewModels.Messages;
using RsrcArchitect.ViewModels.Positioners;
using RsrcArchitect.ViewModels.Types;
using RsrcCore;
using RsrcCore.Controls;
Expand All @@ -25,14 +25,13 @@ public partial class DialogEditorViewModel : ObservableObject

private Transformation _transformation = Transformation.None;
private Sizing _sizing = Sizing.Empty;
private Rectangle _transformationStartRectangle;

private List<Rectangle> _transformationStartRectangles = new();
private Vector2 _transformationStartPointerPosition;
private Vector2 _panStartPointerPosition;
private Vector2 _panStartTranslation;
private float _scale = 1f;
private bool _isPanning;
private TreeNode<Control>? _selectedNode;

public DialogEditorViewModel(Dialog dialog, string friendlyName,
DialogEditorSettingsViewModel dialogEditorSettingsViewModel, IFilePickerService filePickerService)
Expand All @@ -50,34 +49,31 @@ public DialogEditorViewModel(Dialog dialog, string friendlyName,
new(this, "combobox", () => new ComboBox()),
new(this, "label", () => new Label())
};
WeakReferenceMessenger.Default.RegisterAll(this);
}

public List<ToolboxItemViewModel> ToolboxItemViewModels { get; }
public DialogViewModel DialogViewModel { get; }
public string FriendlyName { get; }

private TreeNode<Control>? SelectedNode
{
get => _selectedNode;
set
SelectedNodes.CollectionChanged += (sender, args) =>
{
SetProperty(ref _selectedNode, value);
OnPropertyChanged(nameof(IsNodeSelected));
OnPropertyChanged(nameof(HasSelection));
DeleteSelectedNodeCommand.NotifyCanExecuteChanged();
BringSelectedNodeToFrontCommand.NotifyCanExecuteChanged();
SelectedControlViewModel = value != null
? ControlViewModelFactory.Create(value.Data,
SelectedControlViewModels.Clear();
foreach (var node in SelectedNodes)
{
SelectedControlViewModels.Add(ControlViewModelFactory.Create(node.Data,
s =>
{
return DialogViewModel.Dialog.Root.Flatten().Any(x =>
x.Identifier.Equals(s, StringComparison.InvariantCultureIgnoreCase));
})
: null;
OnPropertyChanged(nameof(SelectedControlViewModel));
}
}));
}
};
WeakReferenceMessenger.Default.RegisterAll(this);
}

public List<ToolboxItemViewModel> ToolboxItemViewModels { get; }
public DialogViewModel DialogViewModel { get; }
public string FriendlyName { get; }

public ObservableCollection<TreeNode<Control>> SelectedNodes { get; } = new();

public float Scale
{
get => _scale;
Expand All @@ -88,45 +84,13 @@ public float Scale
}
}

public bool IsNodeSelected => SelectedNode != null;
public ControlViewModel? SelectedControlViewModel { get; private set; }
public bool HasSelection => SelectedControlViewModels.Count > 0;
public ObservableCollection<ControlViewModel> SelectedControlViewModels { get; } = new();
public Vector2 Translation { get; private set; } = Vector2.Zero;


#region Private Methods

private (Transformation transformation, Sizing sizing) GetTransformationOperationCandidate(Control control,
Vector2 position)
{
var relative = position - control.Rectangle.ToVector2();

var transformation = Transformation.Size;
var sizing = Sizing.Empty;

sizing = sizing with { Left = Math.Abs(relative.X - 0) < _dialogEditorSettingsViewModel.GripSize };
sizing = sizing with { Top = Math.Abs(relative.Y - 0) < _dialogEditorSettingsViewModel.GripSize };
sizing = sizing with
{
Right = Math.Abs(relative.X - control.Rectangle.Width) < _dialogEditorSettingsViewModel.GripSize
};
sizing = sizing with
{
Bottom = Math.Abs(relative.Y - control.Rectangle.Height) < _dialogEditorSettingsViewModel.GripSize
};

if (sizing.IsEmpty)
{
transformation = Transformation.Move;
}

if (!control.Rectangle.Inflate(_dialogEditorSettingsViewModel.GripSize).Contains(new(position)))
{
transformation = Transformation.None;
}

return (transformation, sizing);
}

private TreeNode<Control>? GetControlNodeAtPosition(Vector2 position)
{
// TODO: make special case for groupboxes; the center is clickthrough
Expand Down Expand Up @@ -157,24 +121,43 @@ private void PointerPress(Vector2 position)

// do grip-test first, then store if it hits
var isGripHit = false;
if (SelectedNode != null)
isGripHit = GetTransformationOperationCandidate(SelectedNode.Data, dialogPosition).transformation !=
Transformation.None;
(Transformation transformation, Sizing sizing) transformationOperation = (Transformation.None, Sizing.Empty);
if (SelectedNodes.Count > 0)
{
// if any candidate hits, we grabbed a control's grip
transformationOperation = SelectedNodes
.Select(x =>
TransformationHelper.GetCandidate(x.Data, dialogPosition, _dialogEditorSettingsViewModel.GripSize))
.FirstOrDefault(x => x.Item1 != Transformation.None, (Transformation.None, Sizing.Empty));

isGripHit = transformationOperation.transformation != Transformation.None;
}

// if no grip hits, we know we aren't starting to resize or move a control,
// thus we can select a new one
if (!isGripHit) SelectedNode = GetControlNodeAtPosition(dialogPosition);
if (!isGripHit)
{
Debug.Print("No grip hit");
var newSelectedNode = GetControlNodeAtPosition(dialogPosition);
SelectedNodes.Clear();
if (newSelectedNode != null)
{
SelectedNodes.Add(GetControlNodeAtPosition(dialogPosition));
}
}

if (SelectedNode != null)
if (SelectedNodes.Count > 0)
{
(_transformation, _sizing) = GetTransformationOperationCandidate(SelectedNode.Data, dialogPosition);
_transformationStartRectangle = SelectedNode.Data.Rectangle;
Debug.Print("Start control transformation");
(_transformation, _sizing) = (transformationOperation.transformation, transformationOperation.sizing);
_transformationStartRectangles = SelectedNodes.Select(x => x.Data.Rectangle).ToList();
_transformationStartPointerPosition = dialogPosition;
}
else
{
// no node caught but stil clicked,
// so start translating the camera
Debug.Print("Start pan");
_isPanning = true;
_panStartPointerPosition = position;
_panStartTranslation = Translation;
Expand All @@ -200,74 +183,81 @@ private void PointerMove(Vector2 position)
WeakReferenceMessenger.Default.Send(new CanvasInvalidationMessage(0));
return;
}


if (SelectedControlViewModel == null) return;

if (SelectedNodes.Count == 0) return;

position = RelativePositionToDialog(position);

switch (_transformation)
int i = 0;
foreach (var controlViewModel in SelectedControlViewModels)
{
case Transformation.Size:
if (_sizing.Left)
{
position.X = Math.Min(position.X, _transformationStartRectangle.Right);
SelectedControlViewModel.X = (int)position.X;
SelectedControlViewModel.Width =
_transformationStartRectangle.Right - SelectedControlViewModel.X;
}

if (_sizing.Top)
{
position.Y = Math.Min(position.Y, _transformationStartRectangle.Bottom);
SelectedControlViewModel.Y = (int)position.Y;
SelectedControlViewModel.Height =
_transformationStartRectangle.Bottom - SelectedControlViewModel.Y;
}

if (_sizing.Right)
{
position.X = Math.Max(position.X, _transformationStartRectangle.X);
SelectedControlViewModel.Width = (int)(_transformationStartRectangle.Width +
(position.X - _transformationStartRectangle.Right));
}

if (_sizing.Bottom)
{
position.Y = Math.Max(position.Y, _transformationStartRectangle.Y);
SelectedControlViewModel.Height = (int)(_transformationStartRectangle.Height +
(position.Y - _transformationStartRectangle.Bottom));
}

break;
case Transformation.Move:
SelectedControlViewModel.X =
(int)(_transformationStartRectangle.X + (position.X - _transformationStartPointerPosition.X));
SelectedControlViewModel.Y =
(int)(_transformationStartRectangle.Y + (position.Y - _transformationStartPointerPosition.Y));
break;
}
var transformationStartRectangle = _transformationStartRectangles[i];
switch (_transformation)
{
case Transformation.Size:
if (_sizing.Left)
{
position.X = Math.Min(position.X, transformationStartRectangle.Right);
controlViewModel.X = (int)position.X;
controlViewModel.Width =
transformationStartRectangle.Right - controlViewModel.X;
}

if (_sizing.Top)
{
position.Y = Math.Min(position.Y, transformationStartRectangle.Bottom);
controlViewModel.Y = (int)position.Y;
controlViewModel.Height =
transformationStartRectangle.Bottom - controlViewModel.Y;
}

var processedRectangle = _dialogEditorSettingsViewModel.Positioner.Transform(DialogViewModel.Dialog.Root, SelectedControlViewModel.Control);
SelectedControlViewModel.X = processedRectangle.X;
SelectedControlViewModel.Y = processedRectangle.Y;
SelectedControlViewModel.Width = processedRectangle.Width;
SelectedControlViewModel.Height = processedRectangle.Height;
if (_sizing.Right)
{
position.X = Math.Max(position.X, transformationStartRectangle.X);
controlViewModel.Width = (int)(transformationStartRectangle.Width +
(position.X - transformationStartRectangle.Right));
}

if (_sizing.Bottom)
{
position.Y = Math.Max(position.Y, transformationStartRectangle.Y);
controlViewModel.Height = (int)(transformationStartRectangle.Height +
(position.Y - transformationStartRectangle.Bottom));
}

break;
case Transformation.Move:
controlViewModel.X =
(int)(transformationStartRectangle.X + (position.X - _transformationStartPointerPosition.X));
controlViewModel.Y =
(int)(transformationStartRectangle.Y + (position.Y - _transformationStartPointerPosition.Y));
break;
}

var processedRectangle =
_dialogEditorSettingsViewModel.Positioner.Transform(DialogViewModel.Dialog.Root,
controlViewModel.Control);
controlViewModel.X = processedRectangle.X;
controlViewModel.Y = processedRectangle.Y;
controlViewModel.Width = processedRectangle.Width;
controlViewModel.Height = processedRectangle.Height;
i++;
}
}

[RelayCommand(CanExecute = nameof(IsNodeSelected))]
[RelayCommand(CanExecute = nameof(HasSelection))]
private void DeleteSelectedNode()
{
DialogViewModel.Dialog.Root.Children.Remove(SelectedNode!);
SelectedNode = null;
// DialogViewModel.Dialog.Root.Children.Remove(SelectedNodes!);
// SelectedNode = null;
WeakReferenceMessenger.Default.Send(new CanvasInvalidationMessage(0));
}

[RelayCommand(CanExecute = nameof(IsNodeSelected))]
[RelayCommand(CanExecute = nameof(HasSelection))]
private void BringSelectedNodeToFront()
{
DialogViewModel.Dialog.Root.Children.Remove(SelectedNode!);
DialogViewModel.Dialog.Root.Children.Add(SelectedNode!);
// DialogViewModel.Dialog.Root.Children.Remove(SelectedNode!);
// DialogViewModel.Dialog.Root.Children.Add(SelectedNode!);
WeakReferenceMessenger.Default.Send(new CanvasInvalidationMessage(0));
}

Expand All @@ -291,24 +281,7 @@ private async Task SaveRc()
await File.WriteAllTextAsync(resourceFile, rc);
await File.WriteAllTextAsync(headerFile, header);
}

[RelayCommand]
private async Task SaveUgui()
{
var lua = new UguiDialogSerializer().Serialize(new DefaultLayoutEngine().DoLayout(DialogViewModel.Dialog),
DialogViewModel.Dialog);

var luaFile =
await _filePickerService.TryPickSaveFileAsync("ugui.lua", ("Lua Script File", new[] { "lua" }));

if (luaFile == null)
{
return;
}

await File.WriteAllTextAsync(luaFile, lua);
}


#endregion


Expand Down
41 changes: 41 additions & 0 deletions RsrcArchitect.ViewModels/Helpers/TransformationHelper.cs
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Original file line number Diff line number Diff line change
@@ -0,0 +1,41 @@
using System.Numerics;
using RsrcArchitect.ViewModels.Types;
using RsrcCore.Controls;
using RsrcCore.Geometry;

namespace RsrcArchitect.ViewModels.Helpers;

internal static class TransformationHelper
{
public static (Transformation transformation, Sizing sizing) GetCandidate(Control control,
Vector2 position, int gripSize)
{
var relative = position - control.Rectangle.ToVector2();

var transformation = Transformation.Size;
var sizing = Sizing.Empty;

sizing = sizing with { Left = Math.Abs(relative.X - 0) < gripSize };
sizing = sizing with { Top = Math.Abs(relative.Y - 0) < gripSize };
sizing = sizing with
{
Right = Math.Abs(relative.X - control.Rectangle.Width) < gripSize
};
sizing = sizing with
{
Bottom = Math.Abs(relative.Y - control.Rectangle.Height) < gripSize
};

if (sizing.IsEmpty)
{
transformation = Transformation.Move;
}

if (!control.Rectangle.Inflate(gripSize).Contains(new Vector2Int(position)))
{
transformation = Transformation.None;
}

return (transformation, sizing);
}
}
2 changes: 0 additions & 2 deletions RsrcArchitect.Views.WPF/MainWindow.xaml
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Original file line number Diff line number Diff line change
Expand Up @@ -29,8 +29,6 @@
<MenuItem Header="_Save As">
<MenuItem Header="_Resource File"
Command="{Binding MainViewModel.SelectedDialogEditorViewModel.SaveRcCommand}" />
<MenuItem Header="_Ugui Script"
Command="{Binding MainViewModel.SelectedDialogEditorViewModel.SaveUguiCommand}" />
</MenuItem>
<MenuItem Header="Set _Visual Style..." Click="SetVisualStyle_Click" />

Expand Down
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