private bool GetEnumShowFieldAttributeResult(EnumShowFieldAttribute showFieldAttribute, SerializedProperty property)
{
string propertyPath = property.propertyPath; // Get the path of the current property (with the attribute on).
string conditionPath = propertyPath.Replace(property.name, showFieldAttribute.sourceField); // Find the path to the property that will act as the conditional statement.
SerializedProperty sourcePropertyValue = property.serializedObject.FindProperty(conditionPath); // Get the property.
return(showFieldAttribute.IsFieldShown(sourcePropertyValue.intValue)); // Check if the value is correct or not.
}
public override float GetPropertyHeight(SerializedProperty property, GUIContent label)
{
EnumShowFieldAttribute showField = (EnumShowFieldAttribute)attribute;
bool show = GetEnumShowFieldAttributeResult(showField, property);
// If the property should be shown, return the required height, else, undo the vertical spacing added as a standard before and after the property.
return(show ? EditorGUI.GetPropertyHeight(property, label) : -EditorGUIUtility.standardVerticalSpacing);
}
public override void OnGUI(Rect position, SerializedProperty property, GUIContent label)
{
// Get the attribute:
EnumShowFieldAttribute showField = (EnumShowFieldAttribute)attribute;
bool shown = GetEnumShowFieldAttributeResult(showField, property);
// Check if the GUI was enabled.
bool wasEnabled = GUI.enabled;
// Hide/show the GUI.
GUI.enabled = shown;
if (shown)
{
// If it's not hidden, then draw the property.
EditorGUI.PropertyField(position, property, label, true);
}
// Reenable/disable the GUI.
GUI.enabled = wasEnabled;
}