private void RefreshStylesAfterExternalEvent()
{
var panel = m_Panel.visualTree.elementPanel;
if (panel == null)
{
return;
}
var updater = panel.GetUpdater(VisualTreeUpdatePhase.Bindings) as VisualTreeBindingsUpdater;
if (updater == null)
{
return;
}
updater.PollElementsWithBindings((e, b) => BindingExtensions.HandleStyleUpdate(e));
}
void BindListViewItem(VisualElement ve, int index)
{
var field = ve as IBindable;
if (field == null)
{
//we find the first Bindable
field = ve.Query().Where(x => x is IBindable).First() as IBindable;
}
if (field == null)
{
//can't default bind to anything!
throw new InvalidOperationException("Can't find BindableElement: please provide BindableVisualElements or provide your own Listview.bindItem callback");
}
object item = listView.itemsSource[index];
var itemProp = item as SerializedProperty;
field.bindingPath = itemProp.propertyPath;
BindingExtensions.Bind(ve, boundObject, itemProp);
}
void Reset(SerializedProperty property)
{
m_SerializedProperty = property;
if (m_SerializedProperty != null && m_SerializedProperty.isValid)
{
// if we already have a serialized property, determine if the property field can be reused without reset
// this is only supported for non propertydrawer types
if (m_ChildField != null && m_SerializedProperty.propertyType == property.propertyType)
{
var newField = CreateOrUpdateFieldFromProperty(property, m_ChildField);
// there was an issue where we weren't able to swap the bindings on the original field
if (newField != m_ChildField)
{
m_ChildField.Unbind();
var childIndex = IndexOf(m_ChildField);
if (childIndex >= 0)
{
m_ChildField.RemoveFromHierarchy();
m_ChildField = newField;
hierarchy.Insert(childIndex, m_ChildField);
}
}
return;
}
}
Clear();
m_ChildField?.Unbind();
m_ChildField = null;
if (property == null)
{
return;
}
ComputeNestingLevel();
VisualElement customPropertyGUI = null;
// Case 1292133: set proper nesting level before calling CreatePropertyGUI
var handler = ScriptAttributeUtility.GetHandler(m_SerializedProperty);
using (var nestingContext = handler.ApplyNestingContext(m_DrawNestingLevel))
{
if (handler.hasPropertyDrawer)
{
customPropertyGUI = handler.propertyDrawer.CreatePropertyGUI(m_SerializedProperty);
if (customPropertyGUI == null)
{
customPropertyGUI = CreatePropertyIMGUIContainer();
}
else
{
RegisterPropertyChangesOnCustomDrawerElement(customPropertyGUI);
}
}
else
{
customPropertyGUI = CreateOrUpdateFieldFromProperty(m_SerializedProperty);
m_ChildField = customPropertyGUI;
}
}
if (customPropertyGUI != null)
{
PropagateNestingLevel(customPropertyGUI);
hierarchy.Add(customPropertyGUI);
}
if (m_SerializedProperty.propertyType == SerializedPropertyType.ManagedReference)
{
BindingExtensions.TrackPropertyValue(this, m_SerializedProperty, Reset);
}
}
