67 lines
2.0 KiB
C#
67 lines
2.0 KiB
C#
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using System.Collections.Generic;
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using System.Numerics;
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using ImGuiNET;
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using KamiLib.Interfaces;
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using KamiLib.Localization;
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namespace KamiLib.Windows;
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public class SelectionList
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{
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private ISelectable? Selected { get; set; }
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public void Draw(IEnumerable<ISelectable> selectables)
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{
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var frameBgColor = ImGui.GetStyle().Colors[(int)ImGuiCol.FrameBg];
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ImGui.PushStyleColor(ImGuiCol.FrameBg, frameBgColor with { W = 0.05f });
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ImGui.PushStyleVar(ImGuiStyleVar.ScrollbarSize, 0.0f);
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var listBoxValid = ImGui.BeginListBox("", new Vector2(-1, -1));
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ImGui.PopStyleVar();
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ImGui.PopStyleColor();
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if (listBoxValid)
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{
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foreach (var item in selectables)
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{
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var headerHoveredColor = ImGui.GetStyle().Colors[(int)ImGuiCol.HeaderHovered];
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var textSelectedColor = ImGui.GetStyle().Colors[(int)ImGuiCol.Header];
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ImGui.PushStyleColor(ImGuiCol.HeaderHovered, headerHoveredColor with { W = 0.1f });
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ImGui.PushStyleColor(ImGuiCol.Header, textSelectedColor with { W = 0.1f });
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if (ImGui.Selectable($"##SelectableID{item.ID}", Selected?.ID == item.ID))
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{
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Selected = Selected == item ? null : item;
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}
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ImGui.PopStyleColor();
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ImGui.PopStyleColor();
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ImGui.SameLine(3.0f);
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item.DrawLabel();
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ImGui.Spacing();
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}
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ImGui.EndListBox();
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}
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}
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public void DrawSelected()
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{
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if (Selected is null)
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{
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var available = ImGui.GetContentRegionAvail() / 2.0f;
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var textSize = ImGui.CalcTextSize(Strings.Selection_NoItemSelected) / 2.0f;
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var center = new Vector2(available.X - textSize.X, available.Y - textSize.Y);
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ImGui.SetCursorPos(center);
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ImGui.TextWrapped(Strings.Selection_NoItemSelected);
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}
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else
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{
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Selected.Contents.Draw();
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}
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}
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}
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