import com.intellij.ide.structureView.StructureViewExtension; //导入依赖的package包/类
@NotNull
@Override
public final StructureViewTreeElement[] getChildren() {
  final T element = getElement();
  if (element == null) return EMPTY_ARRAY;
  List<StructureViewTreeElement> result = new ArrayList<StructureViewTreeElement>();
  Collection<StructureViewTreeElement> baseChildren = getChildrenBase();
  result.addAll(baseChildren);
  StructureViewFactoryEx structureViewFactory = StructureViewFactoryEx.getInstanceEx(element.getProject());
  Class<? extends PsiElement> aClass = element.getClass();
  for (StructureViewExtension extension : structureViewFactory.getAllExtensions(aClass)) {
    StructureViewTreeElement[] children = extension.getChildren(element);
    if (children != null) {
      ContainerUtil.addAll(result, children);
    }
  }
  return result.toArray(new StructureViewTreeElement[result.size()]);
}
 

import com.intellij.ide.structureView.StructureViewExtension; //导入依赖的package包/类
@Override
public final StructureViewTreeElement[] getChildren() {
  final T element = getElement();
  if (element == null) return EMPTY_ARRAY;
  List<StructureViewTreeElement> result = new ArrayList<StructureViewTreeElement>();
  Collection<StructureViewTreeElement> baseChildren = getChildrenBase();
  result.addAll(baseChildren);
  StructureViewFactoryEx structureViewFactory = StructureViewFactoryEx.getInstanceEx(element.getProject());
  Class<? extends PsiElement> aClass = element.getClass();
  for (StructureViewExtension extension : structureViewFactory.getAllExtensions(aClass)) {
    StructureViewTreeElement[] children = extension.getChildren(element);
    if (children != null) {
      ContainerUtil.addAll(result, children);
    }
  }
  return result.toArray(new StructureViewTreeElement[result.size()]);
}
 

import com.intellij.ide.structureView.StructureViewExtension; //导入依赖的package包/类
@Override
public Object getCurrentEditorElement()
{
	final Object editorElement = super.getCurrentEditorElement();
	if(editorElement instanceof XmlTag)
	{
		for(StructureViewExtension extension : StructureViewFactoryEx.getInstanceEx(getPsiFile().getProject()).getAllExtensions(XmlTag.class))
		{
			final Object element = extension.getCurrentEditorElement(getEditor(), (PsiElement) editorElement);
			if(element != null)
			{
				return element;
			}
		}
	}
	return editorElement;
}
 

import com.intellij.ide.structureView.StructureViewExtension; //导入依赖的package包/类
@Override
public Object getCurrentEditorElement() {
  final Object editorElement = super.getCurrentEditorElement();
  if (editorElement instanceof XmlTag) {
    for (StructureViewExtension extension : StructureViewFactoryEx.getInstanceEx(getPsiFile().getProject()).getAllExtensions(XmlTag.class)) {
      final Object element = extension.getCurrentEditorElement(getEditor(), (PsiElement)editorElement);
      if (element != null) return element;
    }
  }
  return editorElement;
}
 

import com.intellij.ide.structureView.StructureViewExtension; //导入依赖的package包/类
@Override
public Object getCurrentEditorElement() {
  final Object editorElement = super.getCurrentEditorElement();
  if (editorElement instanceof XmlTag) {
    for (StructureViewExtension extension : StructureViewFactoryEx.getInstanceEx(myFile.getProject()).getAllExtensions(XmlTag.class)) {
      final Object element = extension.getCurrentEditorElement(getEditor(), (PsiElement)editorElement);
      if (element != null) return element;
    }
  }
  return editorElement;
}