redglow
95 lines
2.8 KiB
C#
95 lines
2.8 KiB
C#
using System;
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using System.Linq;
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using Godot;
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namespace GodotHostTest.GodotDI;
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public partial class ScopePickerEditor : EditorProperty
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{
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/// <summary>
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/// The "combo box" that picks a choice from the scopes.
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/// </summary>
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private OptionButton _optionButton = new();
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/// <summary>
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/// The currently chosen type.
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/// </summary>
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private string _currentType;
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/// <summary>
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/// All the known fully qualified names for scopes.
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/// </summary>
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private string[] _fullyQualifiedNames;
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/// <summary>
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/// A guard against internal changes while the property is being updated.
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/// </summary>
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private bool _updating;
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public ScopePickerEditor()
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{
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// save all the known fully qualified names
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_fullyQualifiedNames = ScopeTypesAndNames.GetQualifiedNames().ToArray();
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// fill the options button
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for (var i = 0; i < _fullyQualifiedNames.Length; i++)
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{
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// root scope is always the first, and root scope = not scoped
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_optionButton.AddItem(
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i == 0
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? "not a scope boundary"
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: ScopeTypesAndNames.GetSimpleNameFromQualifiedName(_fullyQualifiedNames[i]), i);
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}
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// add the control as a direct child of EditorProperty node.
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AddChild(_optionButton);
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// make sure the control is able to retain the focus.
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AddFocusable(_optionButton);
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// initialize the starting value
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_currentType = _fullyQualifiedNames[0];
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// update the property when the button value changes
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_optionButton.ItemSelected += OnOptionButtonItemSelected;
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}
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public override void _UpdateProperty()
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{
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// get the new value and immediately return if it's already the selected one.
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var newValue = GetEditedObject().Get(GetEditedProperty()).AsString();
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if (newValue == _currentType) return;
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_updating = true;
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try
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{
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var nameIndex = Array.IndexOf(_fullyQualifiedNames, newValue);
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if (nameIndex < 0)
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{
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GD.PushWarning($"Could not find name {newValue} in the list of scope names, resetting to root scope");
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_currentType = _fullyQualifiedNames[0];
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EmitChanged(GetEditedProperty(), _currentType);
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return;
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}
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_currentType = newValue;
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UpdateControl();
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}
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finally
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{
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_updating = false;
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}
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}
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private void OnOptionButtonItemSelected(long index)
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{
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_currentType = _fullyQualifiedNames[index];
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UpdateControl();
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EmitChanged(GetEditedProperty(), _currentType);
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}
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private void UpdateControl()
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{
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_optionButton.Selected = Array.IndexOf(_fullyQualifiedNames, _currentType);
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}
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} |