wxWidgets/wxPython/tests/gridtest.py
2000-11-11 22:29:22 +00:00

222 lines
6.5 KiB
Python

# wxGrid workout
import sys
#----------------------------------------------------------------------------
from wxPython.wx import *
from wxPython.grid import *
class MyCellEditor(wxPyGridCellEditor):
"""
A custom GridCellEditor that only accepts numbers.
Also tries to work around wxGTK anomaly that key cannot start edit.
"""
def Create(self, parent, id, evtHandler):
"""
Called to create the control, which must derive from wxControl.
*Must Override*
"""
print "Create"
theStyle = 0
if wxPlatform == '__WXMSW__':
theStyle = wxTE_PROCESS_TAB | wxTE_MULTILINE | wxTE_NO_VSCROLL | wxTE_AUTO_SCROLL
#theStyle = wxTE_PROCESS_TAB | wxTE_PROCESS_ENTER
self._tc = wxTextCtrl(parent, id, "", style=theStyle)
self._tc.SetInsertionPoint(0)
self.SetControl(self._tc)
if evtHandler:
print evtHandler
self._tc.PushEventHandler(evtHandler)
def SetSize(self, rect):
"""
Called to position/size the edit control within the cell rectangle.
If you don't fill the cell (the rect) then be sure to override
PaintBackground and do something meaningful there.
"""
self._tc.SetDimensions(rect.x-1, rect.y-1, rect.width+4, rect.height+4)
def BeginEdit(self, row, col, grid):
"""
Fetch the value from the table and prepare the edit control
to begin editing. Set the focus to the edit control.
*Must Override*
"""
print "BeginEdit"
self.startValue = grid.GetTable().GetValue(row, col)
self._tc.SetValue(self.startValue)
self._tc.SetFocus()
def EndEdit(self, row, col, grid):
"""
Complete the editing of the current cell. Returns true if the value
has changed. If necessary, the control may be destroyed.
*Must Override*
"""
changed = false
val = self._tc.GetValue()
if val != self.startValue:
changed = true
grid.GetTable().SetValue(row, col, val) # update the table
self.startValue = ''
self._tc.SetValue('')
return changed
def Reset(self):
"""
Reset the value in the control back to its starting value.
*Must Override*
"""
self._tc.SetValue(self.startValue)
self._tc.SetInsertionPointEnd()
def IsAcceptedKey(self, evt):
"""
Return TRUE to allow the given key to start editing: the base class
version only checks that the event has no modifiers.
"""
key = evt.GetKeyCode()
print "KeyCode:", key
# For linux the first range means number keys in main keyboard, and
# the second range means numeric keypad keys, with num-lock on.
if key in range(48,58) or key in range(326,336):
return true
else:
return false
def StartingKey(self, evt):
"""
If the editor is enabled by pressing keys on the grid, this will be
called to let the editor do something about that first key if desired.
"""
key = evt.GetKeyCode()
print "StartingKey", key
ch = None
if key in [WXK_NUMPAD0, WXK_NUMPAD1, WXK_NUMPAD2, WXK_NUMPAD3, WXK_NUMPAD4,
WXK_NUMPAD5, WXK_NUMPAD6, WXK_NUMPAD7, WXK_NUMPAD8, WXK_NUMPAD9]:
ch = ch = chr(ord('0') + key - WXK_NUMPAD0)
elif key < 256 and key >= 0 and chr(key) in string.printable:
ch = chr(key)
if not evt.ShiftDown():
ch = string.lower(ch)
if ch is not None:
# Replace the text. Other option would be to append it.
# self._tc.AppendText(ch)
self._tc.SetValue(ch)
self._tc.SetInsertionPointEnd()
else:
evt.Skip()
def Destroy(self):
"""final cleanup"""
self.base_Destroy()
def Clone(self):
"""
Create a new object which is the copy of this one
*Must Override*
"""
print "clone"
return MyCellEditor()
class MyGrid(wxGrid):
def __init__(self, parent, cust):
wxGrid.__init__(self, parent, -1)
self.CreateGrid(10, 10)
for column in xrange(10):
self.SetColSize(column, 40)
self.SetDefaultCellAlignment(wxCENTRE, wxCENTRE)
import os
if cust:
for column in xrange(10):
# Note, we create attr and cell editor for each column
# otherwise segfault at exit, probably tries to free those
# multiple times from each column.
attr = wxGridCellAttr()
attr.SetEditor(MyCellEditor())
self.SetColAttr(column, attr)
#----------------------------------------------------------------------------
class CardNoteBook(wxNotebook):
def __init__(self, parent, id):
wxNotebook.__init__(self, parent, id)
for title, cust in [("Default", 0), ("Custom Cell Editor", 1)]:
win = MyGrid(self, cust)
self.AddPage(win, title)
EVT_NOTEBOOK_PAGE_CHANGED(self, self.GetId(), self.OnPageChanged)
EVT_KEY_DOWN(self, self.OnKeyDown)
EVT_NAVIGATION_KEY(self, self.OnNavKey)
def OnKeyDown(self, evt):
print 'CardNoteBook.OnKeyDown: ', evt.GetKeyCode()
evt.Skip()
def OnNavKey(self, evt):
print 'CardNoteBook.OnNavKey:', evt
evt.Skip()
def OnPageChanged(self, event):
event.Skip()
#----------------------------------------------------------------------------
class ScoreKeeper(wxFrame):
def __init__(self, parent, id, title):
wxFrame.__init__(self, parent, -1, title, size = (500, 400),
style=wxDEFAULT_FRAME_STYLE|wxNO_FULL_REPAINT_ON_RESIZE)
EVT_CLOSE(self, self.OnCloseWindow)
self.Centre(wxBOTH)
self.nb = CardNoteBook(self, -1)
#win=MyGrid(self, "GTK")
self.Show(true)
def OnCloseWindow(self, event):
self.dying = true
self.window = None
self.mainmenu = None
self.Destroy()
def OnFileExit(self, event):
self.Close()
#----------------------------------------------------------------------------
class MyApp(wxApp):
def OnInit(self):
frame = ScoreKeeper(None, -1, "ScoreKeeper: (A Demonstration)")
frame.Show(true)
self.SetTopWindow(frame)
return true
#---------------------------------------------------------------------------
def main():
app = MyApp(0)
app.MainLoop()
main()