73 lines
2.8 KiB
C#
73 lines
2.8 KiB
C#
using UnityEngine;
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using System.Collections.Generic;
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#if UNITY_EDITOR
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using UnityEditor;
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#endif
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namespace MoreMountains.Tools
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{
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// original implementation by http://www.brechtos.com/hiding-or-disabling-inspector-properties-using-propertydrawers-within-unity-5/
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[CustomPropertyDrawer(typeof(MMEnumConditionAttribute))]
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public class MMEnumConditionAttributeDrawer : PropertyDrawer
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{
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public override void OnGUI(Rect position, SerializedProperty property, GUIContent label)
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{
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MMEnumConditionAttribute enumConditionAttribute = (MMEnumConditionAttribute)attribute;
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bool enabled = GetConditionAttributeResult(enumConditionAttribute, property);
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bool previouslyEnabled = GUI.enabled;
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GUI.enabled = enabled;
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if (!enumConditionAttribute.Hidden || enabled)
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{
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EditorGUI.PropertyField(position, property, label, true);
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}
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GUI.enabled = previouslyEnabled;
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}
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private static Dictionary<string, string> cachedPaths = new Dictionary<string, string>();
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private bool GetConditionAttributeResult(MMEnumConditionAttribute enumConditionAttribute, SerializedProperty property)
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{
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bool enabled = true;
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SerializedProperty enumProp;
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string enumPropPath = string.Empty;
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string propertyPath = property.propertyPath;
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if (!cachedPaths.TryGetValue(propertyPath, out enumPropPath))
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{
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enumPropPath = propertyPath.Replace(property.name, enumConditionAttribute.ConditionEnum);
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cachedPaths.Add(propertyPath, enumPropPath);
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}
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enumProp = property.serializedObject.FindProperty(enumPropPath);
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if (enumProp != null)
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{
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int currentEnum = enumProp.enumValueIndex;
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enabled = enumConditionAttribute.ContainsBitFlag(currentEnum);
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}
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else
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{
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Debug.LogWarning("No matching boolean found for ConditionAttribute in object: " + enumConditionAttribute.ConditionEnum);
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}
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return enabled;
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}
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public override float GetPropertyHeight(SerializedProperty property, GUIContent label)
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{
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MMEnumConditionAttribute enumConditionAttribute = (MMEnumConditionAttribute)attribute;
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bool enabled = GetConditionAttributeResult(enumConditionAttribute, property);
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if (!enumConditionAttribute.Hidden || enabled)
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{
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return EditorGUI.GetPropertyHeight(property, label);
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}
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else
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{
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return -EditorGUIUtility.standardVerticalSpacing;
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}
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}
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}
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} |