wxPython: populate grid from another class using flatenotebook - sqlite

Question

I am trying to save a text file from the first page of a flatNotebook, write them to an EXTERNALLY defined sqLite database and write the values to a grid on the second page of the flatNotebook. The values are saved to the text file and written to the database successfully but I cannot get the values to populate the grid at the same time. They values show up in the grid after I close the program and restart it. I am having a hard time understanding how to call the function onAddCue(). I have tried so many things that I'm just confusing myself at this point. Please help me understand what I am doing wrong. Here is my entire code:
cue =[4,'NodeA',11,22,33,44,55,66,77,88,99]
class InitialInputs(scrolled.ScrolledPanel):
global cue
def __init__(self, parent, db):
scrolled.ScrolledPanel.__init__(self, parent, -1)
self.db = db
self.cur = self.db.con.cursor()
self.saveBtn = wx.Button(self, -1, "Save Current Values")
self.Bind(wx.EVT_BUTTON, self.onSave, self.saveBtn)
self.dirname = ""
def onSave(self, event):
global cue
dlg = wx.FileDialog(self, "Choose a file", self.dirname, "", "*.txt", wx.FD_SAVE | wx.FD_OVERWRITE_PROMPT)
if dlg.ShowModal() == wx.ID_OK:
itcontains = cue
self.filename=dlg.GetFilename()
self.dirname=dlg.GetDirectory()
filehandle=open(os.path.join(self.dirname, self.filename),'w')
filehandle.write(str(itcontains))
filehandle.close()
dlg.Destroy()
row = cue[0] - 1
InsertCell ="UPDATE CUES SET 'Send'=?,'RED'=?,'GREEN'=?,'BLUE'=?,'RGB_Alpha'=?,'HUE'=?,'SAT'=?,'BRightness'=?,'HSB_Alpha'=?,'Fade'=? WHERE DTIndex=%i" %row
self.cur.execute(InsertCell, cue[1:])
self.db.con.commit()
GridPanel().grid.onAddCue() #This is the part that's not working
class Grid(gridlib.Grid):
global cue
def __init__(self, parent, db):
gridlib.Grid.__init__(self, parent, -1)
self.CreateGrid(20,10)
for row in range(20):
rowNum = row + 1
self.SetRowLabelValue(row, "cue %s" %rowNum)
self.db = db
self.cur = self.db.con.cursor()
meta = self.cur.execute("SELECT * from CUES")
labels = []
for i in meta.description:
labels.append(i[0])
labels = labels[1:]
for i in range(len(labels)):
self.SetColLabelValue(i, labels[i])
all = self.cur.execute("SELECT * from CUES ORDER by DTindex")
for row in all:
row_num = row[0]
cells = row[1:]
for i in range(len(cells)):
if cells[i] != None and cells[i] != "null":
self.SetCellValue(row_num, i, str(cells[i]))
self.Bind(gridlib.EVT_GRID_CELL_CHANGED, self.CellContentsChanged)
def CellContentsChanged(self, event):
x = event.GetCol()
y = event.GetRow()
val = self.GetCellValue(y,x)
if val == "":
val = "null"
ColLabel = self.GetColLabelValue(x)
InsertCell = "UPDATE CUES SET %s = ? WHERE DTindex = %d"%(ColLabel,y)
self.cur.execute(InsertCell, [(val),])
self.db.con.commit()
self.SetCellValue(y, x, val)
class GridPanel(wx.Panel):
def __init__(self, parent, db):
wx.Panel.__init__(self, parent, -1)
self.db = db
self.cur = self.db.con.cursor()
grid = Grid(self, db)
sizer = wx.BoxSizer(wx.HORIZONTAL)
sizer.Add(grid)
self.SetSizer(sizer)
self.Fit()
def onAddCue():
global cue
row = cue[0] - 1
col=0
while col < 10:
for i in cue[1:]:
grid.SetCellValue(row, col, str(i))
col = col+1
class GetDatabase():
def __init__(self, f):
# check db file exists
try:
file = open(f)
file.close()
except IOError:
# database doesn't exist - create file & populate it
self.exists = 0
else:
# database already exists - need integrity check here
self.exists = 1
self.con = sqlite.connect(f)
class Frame(wx.Frame):
def __init__(self):
wx.Frame.__init__(self, None, -1,"Stage Lighting", size=(800,600))
panel = wx.Panel(self)
notebook = wx.Notebook(panel)
page1 = InitialInputs(notebook, db)
page2 = GridPanel(notebook, db)
notebook.AddPage(page1, "Initial Inputs")
notebook.AddPage(page2, "Grid")
sizer = wx.BoxSizer()
sizer.Add(notebook, 1, wx.ALL|wx.EXPAND, 5)
panel.SetSizer(sizer)
self.Layout()
if __name__ == "__main__":
db = GetDatabase("data.db")
app = wx.App()
logging.basicConfig(level=logging.DEBUG)
Frame().Show()
app.MainLoop()

Answer 1

Apparently, the question is about python syntax errors!
onAddCue is a method belonging to the class GridPanel. The class is instantiated in the variable page2.
So, you need to call the method something like this:
page2.OnAddCue()