public NullElement(PropertyElement root, IProperty property, PropertyPath path)
{
m_PotentialTypes = new List <Type> {
typeof(Null)
};
binding = this;
m_Root = root;
m_Path = path;
name = m_Path.ToString();
TypeConstruction.GetAllConstructableTypes <T>(m_PotentialTypes);
if (typeof(T).IsArray)
{
Resources.Templates.NullStringField.Clone(this);
this.Q <Label>().text = GuiFactory.GetDisplayName(property);
var button = this.Q <Button>();
button.text = $"Null ({GetTypeName(typeof(T))})";
button.clickable.clicked += ReloadWithArrayType;
if (property.IsReadOnly)
{
button.SetEnabledSmart(false);
}
return;
}
if (m_PotentialTypes.Count == 2)
{
Resources.Templates.NullStringField.Clone(this);
this.Q <Label>().text = GuiFactory.GetDisplayName(property);
var button = this.Q <Button>();
button.text = $"Null ({GetTypeName(typeof(T))})";
button.clickable.clicked += ReloadWithFirstType;
if (property.IsReadOnly)
{
button.SetEnabledSmart(false);
}
return;
}
var typeSelector = new PopupField <Type>(
GuiFactory.GetDisplayName(property),
m_PotentialTypes,
typeof(Null),
GetTypeName,
GetTypeName);
typeSelector.RegisterValueChangedCallback(OnCreateItem);
if (property.IsReadOnly)
{
typeSelector.pickingMode = PickingMode.Ignore;
typeSelector.Q(className: UssClasses.Unity.BasePopupFieldInput).SetEnabledSmart(false);
}
Add(typeSelector);
}
public override void Initialize(TreeGraphView graphView, NodeInfo info)
{
base.Initialize(graphView, info);
contextSelector = new PopupField <SerializableMethod>(
"Target Context", representativeMethods, 0,
method =>
{
if (representativeMethods.Count != 1)
{
GraphView.editorWindow.SetTargetContextType(contextSelector?.value);
}
return("Select");
},
method =>
{
if (method == null)
{
return("Select");
}
if (method.Method == null)
{
return("Missing");
}
return(method.TargetContextType.ToString());
}
);
typeLabel = new Label("None");
{
// Because the choices property in PopupField is internal, which according to https://forum.unity.com/threads/maskfield-choices-internal.672670/
// is a bug. So we will use reflection to set it for now
var property = contextSelector.GetType().GetProperty("choices", BindingFlags.Instance | BindingFlags.NonPublic);
if (property == null)
{
throw new Exception("Reflection not working!!!");
}
//Should be contextSelector.choices = representativeActions
property.SetValue(contextSelector, representativeMethods);
}
VisualElement parameterContainer = TryGetParameterContainer();
var labelStyle = contextSelector.Q <Label>().style;
labelStyle.paddingTop = 0f;
labelStyle.paddingLeft = 4f;
labelStyle.paddingRight = 7f;
contextSelector[1].style.paddingBottom = 0f; //Set selector bottom padding to 0
typeLabel.style.minWidth = labelStyle.minWidth = 64f;
typeLabel.style.paddingRight = typeLabel.style.paddingLeft = 8f;
inputContainer.style.justifyContent = Justify.Center;
inputContainer.Add(contextSelector);
parameterContainer.Add(typeLabel);
GraphView.editorWindow.OnTargetContextChangedMethods += RecalculateTargetContext;
RecalculateTargetContext();
}