recipe-580752.py 文件源码

python
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项目:code 作者: ActiveState 项目源码 文件源码
def __init__(self, master, xml=None, heading_text=None, heading_anchor=None, padding=None, cursor=None, takefocus=None, style=None):
        Frame.__init__(self, master, class_="XML_Viwer")

        self._vsb = Scrollbar(self, orient=VERTICAL)
        self._hsb = Scrollbar(self, orient=HORIZONTAL)

        kwargs = {}
        kwargs["yscrollcommand"] = lambda f, l: autoscroll(self._vsb, f, l)
        kwargs["xscrollcommand"] = lambda f, l: autoscroll(self._hsb, f, l)

        if style is not None:
            kwargs["style"] = style

        if padding is not None:
            kwargs["padding"] = padding

        if cursor is not None:
            kwargs["cursor"] = cursor

        if takefocus is not None:
            kwargs["takefocus"] = takefocus

        self._treeview = Treeview(self, **kwargs)

        if heading_text is not None:
            if heading_anchor is not None:
                self._treeview.heading("#0", text=heading_text, anchor=heading_anchor)
            else:
                self._treeview.heading("#0", text=heading_text)

        self._treeview.bind("<<TreeviewOpen>>", self._on_open)
        self._treeview.bind("<<TreeviewClose>>", self._on_close)

        # Without this line, horizontal scrolling doesn't work properly.
        self._treeview.column("#0", stretch= False)

        self._vsb['command'] = self._treeview.yview
        self._hsb['command'] = self._treeview.xview

        self._treeview.grid(column=0, row=0, sticky=N+S+W+E)
        self._vsb.grid(column=1, row=0, sticky=N+S)
        self._hsb.grid(column=0, row=1, sticky=E+W)

        self.grid_columnconfigure(0, weight=1)
        self.grid_rowconfigure(0, weight=1)

        self._element_tree = None
        self._item_ID_to_element = {}

        if xml is not None:
            self.parse_xml(xml)
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