99 lines
3.1 KiB
C#
99 lines
3.1 KiB
C#
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using System;
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using System.Collections;
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using System.Collections.Generic;
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using System.Linq;
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using Avalonia;
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using Avalonia.Controls;
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using Avalonia.Layout;
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namespace Nebula.Launcher.ViewModels.Pages;
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public sealed class ArrayUnitConfigControl : Border, IConfigControl
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{
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private readonly List<IConfigControl> _itemControls = [];
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private readonly StackPanel _itemsPanel = new StackPanel() { Orientation = Orientation.Vertical };
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private readonly Button _addButton = new Button() { Content = new Label()
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{
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Content = "Add Item"
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}, Classes = { "ConfigBorder" }};
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private readonly int _oldCount;
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private readonly Type _elementType;
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private readonly StackPanel _panel = new();
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public string ConfigName { get; }
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public bool Dirty => _itemControls.Any(dirty => dirty.Dirty) || _itemControls.Count != _oldCount;
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public ArrayUnitConfigControl(string name, object value)
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{
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Classes.Add("ConfigBorder");
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_elementType = value.GetType().GetElementType()!;
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ConfigName = name;
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_panel.Orientation = Orientation.Vertical;
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_panel.Spacing = 4f;
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_itemsPanel.Spacing = 4f;
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_panel.Children.Add(new Label { Content = name });
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_panel.Children.Add(_itemsPanel);
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_panel.Children.Add(_addButton);
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_addButton.Click += (_, _) => AddItem(ConfigControlHelper.CreateDefaultValue(_elementType)!);
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Child = _panel;
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SetValue(value);
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_oldCount = _itemControls.Count;
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}
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private void AddItem(object value)
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{
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var itemPanel = new StackPanel { Orientation = Orientation.Horizontal, Spacing = 2 };
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var control = ConfigControlHelper.GetConfigControl(_itemControls.Count.ToString(), value);
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var removeButton = new Button { Content = new Label(){ Content = "Remove" }, Classes = { "ConfigBorder" }};
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removeButton.Click += (_, _) =>
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{
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_itemControls.Remove(control);
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_itemsPanel.Children.Remove(itemPanel);
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};
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((Control)control).Margin = new Thickness(5);
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itemPanel.Children.Add((Control)control);
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itemPanel.Children.Add(removeButton);
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_itemsPanel.Children.Add(itemPanel);
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_itemControls.Add(control);
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}
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public void SetValue(object value)
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{
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_itemControls.Clear();
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_itemsPanel.Children.Clear();
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if (value is IEnumerable list)
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{
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foreach (var item in list)
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{
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AddItem(item);
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}
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}
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}
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public object GetValue()
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{
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return ConvertArray(_itemControls.Select(c => c.GetValue()).ToArray(), _elementType);
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}
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public static Array ConvertArray(Array sourceArray, Type targetType)
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{
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int length = sourceArray.Length;
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var newArray = Array.CreateInstance(targetType, length);
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for (int i = 0; i < length; i++)
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{
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var value = sourceArray.GetValue(i);
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var converted = Convert.ChangeType(value, targetType);
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newArray.SetValue(converted, i);
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}
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return newArray;
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}
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}
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