wxWidgets/wxPython/demo/wxListCtrl_virtual.py
2003-10-02 00:58:06 +00:00

105 lines
3.0 KiB
Python

from wxPython.wx import *
import images
#----------------------------------------------------------------------
class TestVirtualList(wxListCtrl):
def __init__(self, parent, log):
wxListCtrl.__init__(self, parent, -1,
style=wxLC_REPORT|wxLC_VIRTUAL|wxLC_HRULES|wxLC_VRULES)
self.log = log
self.il = wxImageList(16, 16)
self.idx1 = self.il.Add(images.getSmilesBitmap())
self.SetImageList(self.il, wxIMAGE_LIST_SMALL)
self.InsertColumn(0, "First")
self.InsertColumn(1, "Second")
self.InsertColumn(2, "Third")
self.SetColumnWidth(0, 175)
self.SetColumnWidth(1, 175)
self.SetColumnWidth(2, 175)
self.SetItemCount(1000000)
self.attr1 = wxListItemAttr()
self.attr1.SetBackgroundColour("yellow")
self.attr2 = wxListItemAttr()
self.attr2.SetBackgroundColour("light blue")
EVT_LIST_ITEM_SELECTED(self, self.GetId(), self.OnItemSelected)
EVT_LIST_ITEM_ACTIVATED(self, self.GetId(), self.OnItemActivated)
EVT_LIST_ITEM_DESELECTED(self, self.GetId(), self.OnItemDeselected)
def OnItemSelected(self, event):
self.currentItem = event.m_itemIndex
self.log.WriteText('OnItemSelected: "%s", "%s", "%s", "%s"\n' %
(self.currentItem,
self.GetItemText(self.currentItem),
self.getColumnText(self.currentItem, 1),
self.getColumnText(self.currentItem, 2)))
def OnItemActivated(self, event):
self.currentItem = event.m_itemIndex
self.log.WriteText("OnItemActivated: %s\nTopItem: %s\n" %
(self.GetItemText(self.currentItem), self.GetTopItem()))
def getColumnText(self, index, col):
item = self.GetItem(index, col)
return item.GetText()
def OnItemDeselected(self, evt):
self.log.WriteText("OnItemDeselected: %s" % evt.m_itemIndex)
#---------------------------------------------------
# These methods are callbacks for implementing the
# "virtualness" of the list... Normally you would
# determine the text, attributes and/or image based
# on values from some external data source, but for
# this demo we'll just calculate them
def OnGetItemText(self, item, col):
return "Item %d, column %d" % (item, col)
def OnGetItemImage(self, item):
if item % 3 == 0:
return self.idx1
else:
return -1
def OnGetItemAttr(self, item):
if item % 3 == 1:
return self.attr1
elif item % 3 == 2:
return self.attr2
else:
return None
#----------------------------------------------------------------------
def runTest(frame, nb, log):
win = TestVirtualList(nb, log)
return win
#----------------------------------------------------------------------
overview = """\
"""
if __name__ == '__main__':
import sys,os
import run
run.main(['', os.path.basename(sys.argv[0])])