86 lines
3.6 KiB
C#
86 lines
3.6 KiB
C#
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using UnityEngine;
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using UnityEditor;
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using System.Collections.Generic;
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namespace GapperGames
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{
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[CustomPropertyDrawer(typeof(GapperGamesConditionalHideAttribute))]
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public class GapperGamesConditionalHidePropertyDrawer : 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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GapperGamesConditionalHideAttribute condHAtt = (GapperGamesConditionalHideAttribute)attribute;
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bool enabled = GetConditionalHideAttributeResult(condHAtt, property) == condHAtt.showIfTrue;
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if (enabled)
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{
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EditorGUI.PropertyField(position, property, label, true);
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}
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}
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public override float GetPropertyHeight(SerializedProperty property, GUIContent label)
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{
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GapperGamesConditionalHideAttribute condHAtt = (GapperGamesConditionalHideAttribute)attribute;
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bool enabled = GetConditionalHideAttributeResult(condHAtt, property) == condHAtt.showIfTrue;
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if (enabled)
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{
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return EditorGUI.GetPropertyHeight(property, label);
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}
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//We want to undo the spacing added before and after the property
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return -EditorGUIUtility.standardVerticalSpacing;
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}
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bool GetConditionalHideAttributeResult(GapperGamesConditionalHideAttribute condHAtt, SerializedProperty property)
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{
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SerializedProperty sourcePropertyValue = null;
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//Get the full relative property path of the sourcefield so we can have nested hiding.Use old method when dealing with arrays
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if (!property.isArray)
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{
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string propertyPath = property.propertyPath; //returns the property path of the property we want to apply the attribute to
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string conditionPath = propertyPath.Replace(property.name, condHAtt.conditionalSourceField); //changes the path to the conditionalsource property path
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sourcePropertyValue = property.serializedObject.FindProperty(conditionPath);
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//if the find failed->fall back to the old system
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if (sourcePropertyValue == null)
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{
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//original implementation (doens't work with nested serializedObjects)
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sourcePropertyValue = property.serializedObject.FindProperty(condHAtt.conditionalSourceField);
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}
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}
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else
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{
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//original implementation (doens't work with nested serializedObjects)
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sourcePropertyValue = property.serializedObject.FindProperty(condHAtt.conditionalSourceField);
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}
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if (sourcePropertyValue != null)
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{
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return CheckPropertyType(condHAtt, sourcePropertyValue);
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}
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return true;
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}
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bool CheckPropertyType(GapperGamesConditionalHideAttribute condHAtt, SerializedProperty sourcePropertyValue)
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{
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//Note: add others for custom handling if desired
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switch (sourcePropertyValue.propertyType)
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{
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case SerializedPropertyType.Boolean:
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return sourcePropertyValue.boolValue;
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case SerializedPropertyType.Enum:
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return sourcePropertyValue.enumValueIndex != condHAtt.enumIndex;
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default:
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Debug.LogError("Data type of the property used for conditional hiding [" + sourcePropertyValue.propertyType + "] is currently not supported");
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return true;
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}
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}
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}
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}
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