Files
FlaxEngine/Source/Editor/Surface/ContextMenu/VisjectCMItem.cs

289 lines
10 KiB
C#

// Copyright (c) 2012-2023 Wojciech Figat. All rights reserved.
using System;
using System.Collections.Generic;
using System.Linq;
using FlaxEditor.Surface.Elements;
using FlaxEditor.Utilities;
using FlaxEngine;
using FlaxEngine.GUI;
namespace FlaxEditor.Surface.ContextMenu
{
/// <summary>
/// Single item used for <see cref="VisjectCM"/>. Represents type of the <see cref="NodeArchetype"/> that can be spawned.
/// </summary>
/// <seealso cref="FlaxEngine.GUI.Control" />
[HideInEditor]
public sealed class VisjectCMItem : Control
{
private bool _isMouseDown;
private List<Rectangle> _highlights;
private GroupArchetype _groupArchetype;
private NodeArchetype _archetype;
private bool _isStartsWithMatch;
private bool _isFullMatch;
/// <summary>
/// Gets the item's group
/// </summary>
public VisjectCMGroup Group { get; }
/// <summary>
/// Gets the group archetype.
/// </summary>
public GroupArchetype GroupArchetype => _groupArchetype;
/// <summary>
/// Gets the node archetype.
/// </summary>
public NodeArchetype NodeArchetype => _archetype;
/// <summary>
/// Gets and sets the data of the node.
/// </summary>
public object[] Data;
/// <summary>
/// A computed score for the context menu order
/// </summary>
public float SortScore;
/// <summary>
/// Initializes a new instance of the <see cref="VisjectCMItem"/> class.
/// </summary>
/// <param name="group">The group.</param>
/// <param name="groupArchetype">The group archetype.</param>
/// <param name="archetype">The archetype.</param>
public VisjectCMItem(VisjectCMGroup group, GroupArchetype groupArchetype, NodeArchetype archetype)
: base(0, 0, 120, 12)
{
Group = group;
_groupArchetype = groupArchetype;
_archetype = archetype;
TooltipText = _archetype.Description;
}
/// <summary>
/// Updates the <see cref="SortScore"/>
/// </summary>
/// <param name="selectedBox">The currently user-selected box</param>
public void UpdateScore(Box selectedBox)
{
SortScore = 0;
if (!(_highlights?.Count > 0))
return;
if (!Visible)
return;
if (selectedBox != null && CanConnectTo(selectedBox, NodeArchetype))
SortScore += 1;
if (Data != null)
SortScore += 1;
if (_isStartsWithMatch)
SortScore += 2;
if (_isFullMatch)
SortScore += 5;
}
private void GetTextRectangle(out Rectangle textRect)
{
textRect = new Rectangle(22, 0, Width - 24, Height);
}
private bool CanConnectTo(Box startBox, NodeArchetype nodeArchetype)
{
if (startBox == null)
return false;
if (!startBox.IsOutput)
return false; // For now, I'm only handing the output box case
if (nodeArchetype.Elements != null)
{
for (int i = 0; i < nodeArchetype.Elements.Length; i++)
{
if (nodeArchetype.Elements[i].Type == NodeElementType.Input &&
startBox.CanUseType(nodeArchetype.Elements[i].ConnectionsType))
{
return true;
}
}
}
return false;
}
/// <summary>
/// Updates the filter.
/// </summary>
/// <param name="filterText">The filter text.</param>
public void UpdateFilter(string filterText)
{
_isStartsWithMatch = _isFullMatch = false;
if (filterText == null)
{
// Clear filter
_highlights?.Clear();
Visible = true;
}
else
{
GetTextRectangle(out var textRect);
if (QueryFilterHelper.Match(filterText, _archetype.Title, out var ranges))
{
// Update highlights
if (_highlights == null)
_highlights = new List<Rectangle>(ranges.Length);
else
_highlights.Clear();
var style = Style.Current;
var font = style.FontSmall;
for (int i = 0; i < ranges.Length; i++)
{
var start = font.GetCharPosition(_archetype.Title, ranges[i].StartIndex);
var end = font.GetCharPosition(_archetype.Title, ranges[i].EndIndex);
_highlights.Add(new Rectangle(start.X + textRect.X, 0, end.X - start.X, Height));
if (ranges[i].StartIndex <= 0)
{
_isStartsWithMatch = true;
if (ranges[i].Length == _archetype.Title.Length)
_isFullMatch = true;
}
}
Visible = true;
}
else if (_archetype.AlternativeTitles?.Any(altTitle => string.Equals(filterText, altTitle, StringComparison.CurrentCultureIgnoreCase)) == true)
{
// Update highlights
if (_highlights == null)
_highlights = new List<Rectangle>(1);
else
_highlights.Clear();
var style = Style.Current;
var font = style.FontSmall;
var start = font.GetCharPosition(_archetype.Title, 0);
var end = font.GetCharPosition(_archetype.Title, _archetype.Title.Length - 1);
_highlights.Add(new Rectangle(start.X + textRect.X, 0, end.X - start.X, Height));
_isFullMatch = true;
Visible = true;
}
else if (NodeArchetype.TryParseText != null && NodeArchetype.TryParseText(filterText, out var data))
{
// Update highlights
if (_highlights == null)
_highlights = new List<Rectangle>(1);
else
_highlights.Clear();
var style = Style.Current;
var font = style.FontSmall;
var start = font.GetCharPosition(_archetype.Title, 0);
var end = font.GetCharPosition(_archetype.Title, _archetype.Title.Length - 1);
_highlights.Add(new Rectangle(start.X + textRect.X, 0, end.X - start.X, Height));
Visible = true;
Data = data;
}
else
{
// Hide
_highlights?.Clear();
Visible = false;
}
}
}
/// <inheritdoc />
public override void Draw()
{
var style = Style.Current;
var rect = new Rectangle(Float2.Zero, Size);
GetTextRectangle(out var textRect);
var showScoreHit = SortScore > 0.1f;
// Overlay
if (IsMouseOver)
Render2D.FillRectangle(rect, style.BackgroundHighlighted);
if (Group.ContextMenu.SelectedItem == this)
Render2D.FillRectangle(rect, style.BackgroundSelected);
// Shift text with highlights if using score mark
if (showScoreHit)
{
Render2D.PushTransform(Matrix3x3.Translation2D(12, 0));
}
// Draw all highlights
if (_highlights != null)
{
var color = style.ProgressNormal * 0.6f;
for (int i = 0; i < _highlights.Count; i++)
Render2D.FillRectangle(_highlights[i], color);
}
// Draw name
Render2D.DrawText(style.FontSmall, _archetype.Title, textRect, Enabled ? style.Foreground : style.ForegroundDisabled, TextAlignment.Near, TextAlignment.Center);
if (_archetype.SubTitle != null)
{
var titleLength = style.FontSmall.MeasureText(_archetype.Title).X;
var subTitleRect = new Rectangle(textRect.X + titleLength, textRect.Y, textRect.Width - titleLength, textRect.Height);
Render2D.DrawText(style.FontSmall, _archetype.SubTitle, subTitleRect, style.ForegroundDisabled, TextAlignment.Near, TextAlignment.Center);
}
// Reset transform and draw score mark
if (showScoreHit)
{
Render2D.PopTransform();
Render2D.DrawText(style.FontSmall, "> ", textRect, Enabled ? style.Foreground : style.ForegroundDisabled, TextAlignment.Near, TextAlignment.Center);
}
}
/// <inheritdoc />
public override bool OnMouseDown(Float2 location, MouseButton button)
{
if (button == MouseButton.Left)
{
_isMouseDown = true;
}
return base.OnMouseDown(location, button);
}
/// <inheritdoc />
public override bool OnMouseUp(Float2 location, MouseButton button)
{
if (button == MouseButton.Left && _isMouseDown)
{
_isMouseDown = false;
Group.ContextMenu.OnClickItem(this);
}
return base.OnMouseUp(location, button);
}
/// <inheritdoc />
public override void OnMouseLeave()
{
_isMouseDown = false;
base.OnMouseLeave();
}
/// <inheritdoc />
public override int Compare(Control other)
{
if (other is VisjectCMItem otherItem)
{
int order = -1 * SortScore.CompareTo(otherItem.SortScore);
if (order == 0)
{
order = string.Compare(_archetype.Title, otherItem._archetype.Title, StringComparison.Ordinal);
}
return order;
}
return base.Compare(other);
}
}
}