void DoSelected(int itemId)
{
m_SelectedItemId = itemId;
if (m_SelectedItem != null)
{
m_SelectedItem.content.RemoveFromClassList(k_PlainViewSelectedVariantUssClassName);
m_SelectedItem.content.RemoveFromClassList(k_ViewSelectedWithNoFocusVariantUssClassName);
if (!EditorGUIUtility.isProSkin)
{
m_SelectedItem.SwitchToLightSkinIcon();
}
}
foreach (var plainViewItem in m_PlainViewItems)
{
if (plainViewItem.Id.Equals(itemId))
{
m_SelectedItem = plainViewItem;
m_SelectedItem.content.AddToClassList(k_PlainViewSelectedVariantUssClassName);
if (!EditorGUIUtility.isProSkin)
{
m_SelectedItem.SwitchToDarkSkinIcon();
}
SaveViewData();
}
}
}
void OnPlainViewItemMouseDown(MouseDownEvent evt, LibraryPlainViewItem plainViewItem)
{
if (evt.button != (int)MouseButton.LeftMouse)
{
return;
}
DoSelected(plainViewItem.Id);
}
LibraryPlainViewItem GetDummyItemView()
{
foreach (var item in m_DummyItems.Where(item => item.parent == null))
{
return(item);
}
var newItem = new LibraryPlainViewItem(null);
m_DummyItems.Add(newItem);
return(newItem);
}
void FillView(IEnumerable <ITreeViewItem> items, VisualElement itemsParent = null)
{
foreach (var item in items)
{
if (item is BuilderLibraryTreeItem libraryTreeItem)
{
if (libraryTreeItem.isHeader)
{
var categoryFoldout = new LibraryFoldout {
text = libraryTreeItem.data
};
if (libraryTreeItem.isEditorOnly)
{
categoryFoldout.tag = BuilderConstants.EditorOnlyTag;
categoryFoldout.Q(LibraryFoldout.TagLabelName).AddToClassList(BuilderConstants.TagPillClassName);
}
categoryFoldout.contentContainer.RegisterCallback <GeometryChangedEvent>(e => AdjustSpace(categoryFoldout));
categoryFoldout.AddToClassList(k_PlainViewFoldoutStyle);
Add(categoryFoldout);
FillView(libraryTreeItem.children, categoryFoldout);
continue;
}
var plainViewItem = new LibraryPlainViewItem(libraryTreeItem);
plainViewItem.AddManipulator(new ContextualMenuManipulator(OnContextualMenuPopulateEvent));
plainViewItem.RegisterCallback <MouseDownEvent, LibraryPlainViewItem>(OnPlainViewItemMouseDown, plainViewItem);
LinkToTreeViewItem(plainViewItem, libraryTreeItem);
// The element set up is not yet completed at this point.
// SetupView has to be called as well.
plainViewItem.RegisterCallback <AttachToPanelEvent>(e =>
{
RegisterControlContainer(plainViewItem);
});
plainViewItem.RegisterCallback <MouseDownEvent>(e =>
{
if (e.clickCount == 2)
{
AddItemToTheDocument(libraryTreeItem);
}
});
itemsParent?.Add(plainViewItem);
m_PlainViewItems.Add(plainViewItem);
}
}
}
LibraryPlainViewItem GetDummyItemView()
{
foreach (var item in m_DummyItems.Where(item => item.parent == null))
{
return(item);
}
var id = (int)Random.Range(0, float.MaxValue);
while (m_Items.Any(i => i.id == id))
{
id = (int)Random.Range(0, float.MaxValue);
}
var newItem = new LibraryPlainViewItem(new TreeViewItemData <BuilderLibraryTreeItem>(id, null));
m_DummyItems.Add(newItem);
return(newItem);
}
