遍历Tree控件中的节点

class SapGuiTree:
    class TreeType(enum.Enum):
        SIMPLE = 0
        LIST = 1
        COLUMN = 2

    @classmethod
    def show(cls, tree, node, indention):
        print(indention, node,
              [
                  tree.GetItemText(node, column_name) for column_name in tree.GetColumnNames()
              ],
              {
                  'isFolder': tree.isFolder(node),
                  'IsFolderExpandable': tree.IsFolderExpandable(node),
                  'IsFolderExpanded': tree.IsFolderExpanded(node)
              }
        )

    @classmethod
    def expand_all_nodes(cls, session):
        tree = session.findById("wnd[0]/shellcont/shellcont/shell/shellcont[0]/shell/shellcont[1]/shell")

        def _expand_all(node, indention=''):
            if tree.IsFolderExpandable(node) and (not tree.IsFolderExpanded(node)):
                tree.ExpandNode(node)
            SapGuiTree.show(tree, node, indention=indention)
            all_sub_nodes = tree.GetSubNodesCol(node)
            for sub_node in all_sub_nodes or []:
                _expand_all(sub_node, indention= indention + ' ' * 2)

        node = tree.GetNodesCol()
        if node.Count > 0:
            _expand_all(node[0])

    @classmethod
    def collapse_all_node(cls, session):
        tree = session.findById("wnd[0]/shellcont/shellcont/shell/shellcont[0]/shell/shellcont[1]/shell")

        def _collapse_node(node, indention=''):
            all_sub_nodes = tree.GetSubNodesCol(node)
            reversed_all_sub_nodes = reversed([ sub_node for sub_node in all_sub_nodes or []])
            for sub_node in reversed_all_sub_nodes:
                _collapse_node(sub_node, indention= indention + ' ' * 2)
            if tree.IsFolderExpandable(node) and tree.IsFolderExpanded(node):
                tree.CollapseNode(node)
            SapGuiTree.show(tree, node, indention= indention)

        node = tree.GetNodesCol()
        if node.Count > 0:
            _collapse_node(node[0])


def test02(session):
    SapGuiTree.expand_all_nodes(session)
    print('------------------------------------------')
    SapGuiTree.collapse_all_node(session)
    pass

https://blog.csdn.net/chenguangqi/article/details/125613054