83 lines
3.2 KiB
C#
83 lines
3.2 KiB
C#
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using System;
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using System.Linq;
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using UnityEditor;
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using UnityEngine;
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#if !UNITY_2022_1_OR_NEWER
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using UnityEditor.UIElements; // Required for Unity 2021
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#endif
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using UnityEngine.UIElements;
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namespace Rive.EditorTools
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{
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/// <summary>
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/// We don't directly use the property drawer for the Alignment class, but we keep it as a way to create the dropdown field in the inspector for RiveBaseEditor.
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/// We do this because the RiveBaseEditor class supports a bunch of the custom attributes we've created and having multiple drawers for the same class can cause conflicts so we do it all in the RiveBaseEditor class.
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/// </summary>
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//[CustomPropertyDrawer(typeof(Alignment))]
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internal class AlignmentPropertyDrawer : PropertyDrawer
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{
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private static readonly (string display, Alignment value)[] OPTIONS = new[]
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{
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("Top Left", Alignment.TopLeft),
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("Top Center", Alignment.TopCenter),
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("Top Right", Alignment.TopRight),
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("Center Left", Alignment.CenterLeft),
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("Center", Alignment.Center),
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("Center Right", Alignment.CenterRight),
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("Bottom Left", Alignment.BottomLeft),
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("Bottom Center", Alignment.BottomCenter),
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("Bottom Right", Alignment.BottomRight)
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};
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public override VisualElement CreatePropertyGUI(SerializedProperty property)
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{
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var container = new VisualElement();
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var xProp = property.FindPropertyRelative(Alignment.BindingPath_Xfield);
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var yProp = property.FindPropertyRelative(Alignment.BindingPath_Yfield);
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// Default to Center if we can't get the values
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var centerIndex = Array.FindIndex(OPTIONS, o => o.value.Equals(Alignment.Center));
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var currentIndex = centerIndex;
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if (xProp != null && yProp != null)
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{
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var currentAlignment = new Alignment(xProp.floatValue, yProp.floatValue);
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currentIndex = Array.FindIndex(OPTIONS, o => o.value.Equals(currentAlignment));
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if (currentIndex < 0) currentIndex = centerIndex;
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}
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var choices = OPTIONS.Select(o => o.display).ToList();
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var dropdown = new PopupField<string>(
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property.displayName,
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choices,
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currentIndex
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);
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dropdown.RegisterValueChangedCallback(evt =>
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{
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var index = choices.IndexOf(evt.newValue);
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if (index >= 0 && xProp != null && yProp != null)
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{
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var selectedAlignment = OPTIONS[index].value;
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xProp.floatValue = selectedAlignment.X;
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yProp.floatValue = selectedAlignment.Y;
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property.serializedObject.ApplyModifiedProperties();
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}
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});
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dropdown.AddToClassList(StyleHelper.CLASS_FIELD);
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// This ensures that the dropdown is aligned with other fields in the inspector
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dropdown.AddToClassList(BaseField<UnityEditor.UIElements.PropertyField>.alignedFieldUssClassName);
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container.Add(dropdown);
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return container;
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}
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}
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}
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