1e4a197e4c
git-svn-id: https://svn.wxwidgets.org/svn/wx/wxWidgets/trunk@19793 c3d73ce0-8a6f-49c7-b76d-6d57e0e08775
88 lines
2.4 KiB
Python
88 lines
2.4 KiB
Python
"""
|
|
Build a GUI Tree (wxWindows) from an XML file
|
|
using pyExpat
|
|
"""
|
|
|
|
import sys
|
|
from xml.parsers import pyexpat
|
|
|
|
from wxPython.wx import *
|
|
|
|
class MyFrame(wxFrame):
|
|
def __init__(self, parent, id, title):
|
|
wxFrame.__init__(self, parent, id, title, wxPoint(100, 100), wxSize(160,100))
|
|
menu = wxMenu()
|
|
menu.Append (1001,"Open")
|
|
menu.Append (1002,"Close")
|
|
menu.Append (1003,"Exit")
|
|
menubar = wxMenuBar()
|
|
menubar.Append (menu,"File")
|
|
self.SetMenuBar(menubar)
|
|
|
|
class MyApp(wxApp):
|
|
def OnInit(self):
|
|
self.frame = MyFrame(NULL, -1, "Tree View of XML")
|
|
self.tree = wx.wxTreeCtrl(self.frame, -1)
|
|
EVT_MENU(self, 1001, self.OnOpen)
|
|
EVT_MENU(self, 1002, self.OnClose)
|
|
EVT_MENU(self, 1003, self.OnExit)
|
|
self.frame.Show(true)
|
|
self.SetTopWindow(self.frame)
|
|
return true
|
|
|
|
def OnOpen(self,event):
|
|
f = wxFileDialog(self.frame,"Select a file",".","","*.xml",wxOPEN)
|
|
if f.ShowModal() == wxID_OK:
|
|
LoadTree(f.GetPath())
|
|
|
|
def OnClose(self,event):
|
|
self.tree = wx.wxTreeCtrl(self.frame, -1)
|
|
pass
|
|
|
|
def OnExit(self,event):
|
|
self.OnCloseWindow(event)
|
|
|
|
def OnCloseWindow(self, event):
|
|
self.frame.Destroy()
|
|
|
|
|
|
NodeStack = []
|
|
|
|
# Define a handler for start element events
|
|
def StartElement( name, attrs ):
|
|
global NodeStack
|
|
NodeStack.append(app.tree.AppendItem(NodeStack[-1],name))
|
|
|
|
def EndElement( name ):
|
|
global NodeStack
|
|
NodeStack = NodeStack[:-1]
|
|
|
|
def CharacterData ( data ):
|
|
global NodeStack
|
|
if data.strip():
|
|
app.tree.AppendItem(NodeStack[-1],data)
|
|
|
|
|
|
def LoadTree (f):
|
|
print f
|
|
# Create a parser
|
|
Parser = pyexpat.ParserCreate()
|
|
|
|
# Tell the parser what the start element handler is
|
|
Parser.StartElementHandler = StartElement
|
|
Parser.EndElementHandler = EndElement
|
|
Parser.CharacterDataHandler = CharacterData
|
|
|
|
# Parse the XML File
|
|
ParserStatus = Parser.Parse(open(f,'r').read(), 1)
|
|
if ParserStatus == 0:
|
|
print "oops!"
|
|
raise SystemExit
|
|
|
|
app = MyApp(0)
|
|
NodeStack = [app.tree.AddRoot("Root")]
|
|
|
|
|
|
app.MainLoop()
|
|
raise SystemExit
|