/// <summary>
/// Draws the property.
/// </summary>
protected override void DrawPropertyLayout(InspectorProperty property, RequiredAttribute attribute, GUIContent label)
{
if (property.ValueEntry.BaseValueType.IsValueType)
{
AllEditorGUI.ErrorMessageBox("Value types cannot be null, and thus cannot be marked as required.");
return;
}
// Message context.
PropertyContext <StringMemberHelper> context = null;
if (attribute.ErrorMessage != null)
{
context = property.Context.Get <StringMemberHelper>(this, "ErrorMessage", (StringMemberHelper)null);
if (context.Value == null)
{
context.Value = new StringMemberHelper(property.ParentType, attribute.ErrorMessage);
}
if (context.Value.ErrorMessage != null)
{
AllEditorGUI.ErrorMessageBox(context.Value.ErrorMessage);
}
}
var isMissing = CheckIsMissing(property);
if (isMissing)
{
string msg = attribute.ErrorMessage != null?context.Value.GetString(property) : (property.NiceName + " is required.");
if (attribute.MessageType == InfoMessageType.Warning)
{
AllEditorGUI.WarningMessageBox(msg);
}
else if (attribute.MessageType == InfoMessageType.Error)
{
AllEditorGUI.ErrorMessageBox(msg);
}
else
{
EditorGUILayout.HelpBox(msg, (MessageType)attribute.MessageType);
}
}
var key = UniqueDrawerKey.Create(property, this);
AllEditorGUI.BeginShakeableGroup(key);
this.CallNextDrawer(property, label);
AllEditorGUI.EndShakeableGroup(key);
if (!isMissing && CheckIsMissing(property))
{
AllEditorGUI.StartShakingGroup(key);
}
}