AssetEditorDialog.java 文件源码

@Override
@FXThread
protected @NotNull ObservableBooleanValue buildAdditionalDisableCondition() {
    final ResourceTree resourceTree = getResourceTree();
    final MultipleSelectionModel<TreeItem<ResourceElement>> selectionModel = resourceTree.getSelectionModel();
    final ReadOnlyObjectProperty<TreeItem<ResourceElement>> selectedItemProperty = selectionModel.selectedItemProperty();
    return selectedItemProperty.isNull();
}