d531898b10
git-svn-id: https://svn.wxwidgets.org/svn/wx/wxWidgets/trunk@29500 c3d73ce0-8a6f-49c7-b76d-6d57e0e08775
135 lines
3.8 KiB
Python
135 lines
3.8 KiB
Python
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import sys
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import wx
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py2 = sys.version[0] == '2'
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try:
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if py2:
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from xml.parsers import expat
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parsermodule = expat
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else:
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from xml.parsers import pyexpat
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parsermodule = pyexpat
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haveXML = True
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except ImportError:
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haveXML = False
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#----------------------------------------------------------------------
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if not haveXML:
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def runTest(frame, nb, log):
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dlg = wx.MessageDialog(
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frame, 'This demo requires the XML package. '
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'See http://www.python.org/sigs/xml-sig/',
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'Sorry', wx.OK | wx.ICON_INFORMATION
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)
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dlg.ShowModal()
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dlg.Destroy()
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else:
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class XMLTree(wx.TreeCtrl):
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def __init__(self, parent, ID):
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wx.TreeCtrl.__init__(self, parent, ID)
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self._root = self.AddRoot("Root")
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self.nodeStack = [self._root]
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# Trees need an image list to do DnD...
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self.il = wx.ImageList(16,16)
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self.SetImageList(self.il)
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# event handlers for DnD
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self.Bind(wx.EVT_TREE_BEGIN_DRAG, self.OnBeginDrag)
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self.Bind(wx.EVT_TREE_END_DRAG, self.OnEndDrag)
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def OnBeginDrag(self, event):
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item = event.GetItem()
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if item != self.GetRootItem():
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self.draggingItem = item
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event.Allow() # if DnD of this item is okay Allow it.
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def IsDescendant(self, firstItem, secondItem):
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"Recursive check if firstItem is a descendant of a secondItem."
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if firstItem == self._root:
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return False
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parentItem = self.GetItemParent(firstItem)
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if parentItem == secondItem:
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return True
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else:
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return self.IsDescendant(parentItem, secondItem)
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def OnEndDrag(self, evt):
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itemSrc = self.draggingItem
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itemDst = evt.GetItem()
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self.draggingItem = None
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if not itemDst.IsOk():
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print "Can't drag to here..."
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return
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if self.IsDescendant(itemDst, itemSrc):
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print "Can't move item to its descendant"
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return
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# For this simple example just take the text of the source item
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# and append it to the destination item. In real life you would
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# possibly want to copy subtrees...
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text = self.GetItemText(itemSrc)
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self.AppendItem(itemDst, text)
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self.Delete(itemSrc)
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# Define a handler for start element events
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def StartElement(self, name, attrs ):
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if py2:
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name = name.encode()
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id = self.AppendItem(self.nodeStack[-1], name)
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self.nodeStack.append(id)
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def EndElement(self, name ):
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self.nodeStack = self.nodeStack[:-1]
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def CharacterData(self, data ):
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if data.strip():
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if py2:
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data = data.encode()
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self.AppendItem(self.nodeStack[-1], data)
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def LoadTree(self, filename):
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# Create a parser
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Parser = parsermodule.ParserCreate()
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# Tell the parser what the start element handler is
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Parser.StartElementHandler = self.StartElement
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Parser.EndElementHandler = self.EndElement
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Parser.CharacterDataHandler = self.CharacterData
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# Parse the XML File
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ParserStatus = Parser.Parse(open(filename,'r').read(), 1)
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def runTest(frame, nb, log):
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win = XMLTree(nb, -1)
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win.LoadTree("paper.xml")
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return win
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#----------------------------------------------------------------------
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overview = """\
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"""
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if __name__ == '__main__':
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import sys,os
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import run
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run.main(['', os.path.basename(sys.argv[0])] + sys.argv[1:])
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