def refr_count(self, old_count, count, store_pos=0):
dy = old_count - count
if dy != 0:
if dy > 0:
msg = GridTableMessage(self.GetTable(),
GRIDTABLE_NOTIFY_ROWS_DELETED, count,
dy)
else:
msg = GridTableMessage(self.GetTable(),
GRIDTABLE_NOTIFY_ROWS_APPENDED, -1 * dy)
try:
self.ProcessTableMessage(msg)
except:
pass
if count > 0:
if store_pos == 0:
self.SetGridCursor(0, 0)
self.MakeCellVisible(0, 0)
elif store_pos == 1:
row = self.GetGridCursorRow()
if row >= count:
self.SetGridCursor(0, 0)
self.MakeCellVisible(0, 0)
else:
row = self.GetGridCursorRow()
if row >= count:
self.SetGridCursor(count - 1 + self.CanAppend, 0)
self.MakeCellVisible(count - 1 + self.CanAppend, 0)
if count > 0:
self.AutoSizeColumns(True)
def ResetView(self, grid):
"""
(wxGrid) -> Reset the grid view. Call this to
update the grid if rows and columns have been added or deleted
"""
##print 'VirtualModel.reset_view'
grid.BeginBatch()
for current, new, delmsg, addmsg in [
(self._rows, self.GetNumberRows(), GRIDTABLE_NOTIFY_ROWS_DELETED,
GRIDTABLE_NOTIFY_ROWS_APPENDED),
(self._cols, self.GetNumberCols(), GRIDTABLE_NOTIFY_COLS_DELETED,
GRIDTABLE_NOTIFY_COLS_APPENDED),
]:
if new < current:
msg = GridTableMessage(self, delmsg, new, current - new)
grid.ProcessTableMessage(msg)
elif new > current:
msg = GridTableMessage(self, addmsg, new - current)
grid.ProcessTableMessage(msg)
self.UpdateValues(grid)
grid.EndBatch()
self._rows = self.GetNumberRows()
self._cols = self.GetNumberCols()
# update the renderers
# self._updateColAttrs(grid)
# self._updateRowAttrs(grid) too expensive to use on a large grid
# update the scrollbars and the displayed part of the grid
grid.AdjustScrollbars()
grid.ForceRefresh()
def DeleteRow(self, row_number):
'Borra las filas que se desean descartar de la interfaz'
assert row_number < self.GetNumberRows(
), "Cannot delete a non-existant row."
self.grid_data.pop(row_number)
tbl_msg = GridTableMessage(self, GRIDTABLE_NOTIFY_ROWS_DELETED, 1)
self.GetView().ProcessTableMessage(tbl_msg)
def SetValue(self, row, col, value):
if value.startswith("="):
cell = FunctionTableCell(value)
else:
cell = TableCell(value)
CELLS[(row, col)] = cell
# Notify change
msg = GridTableMessage(None, GRIDTABLE_REQUEST_VIEW_GET_VALUES)
self.GetView().ProcessTableMessage(msg)
def DeleteRows(self, pos, num_rows):
""" Called when the view is deleting rows. """
del self.data[pos:pos + num_rows]
# Tell the grid that we've deleted some rows.
#
# N.B Because of a bug in wxPython we have to send a "rows appended"
# --- message with a negative number, instead of the "rows deleted"
# message 8^() TINSTAFS!
message = GridTableMessage(self, GRIDTABLE_NOTIFY_ROWS_APPENDED,
-num_rows)
# Trait event notification.
self.model_changed = message
return True
def SetValue(self, row, col, value):
""" Set the value at the specified row and column. """
try:
self.data[row][col] = value
except IndexError:
# Add a new row.
self.data.append([0] * self.GetNumberCols())
self.data[row][col] = value
# Tell the grid that we've added a row.
#
# N.B wxGridTableMessage(table, whatWeDid, howMany)
message = GridTableMessage(self, GRIDTABLE_NOTIFY_ROWS_APPENDED, 1)
# Trait event notification.
self.model_changed = message
def UpdateValues(self, grid):
"""Update all displayed values"""
# This sends an event to the grid table to update all of the values
msg = GridTableMessage(self, GRIDTABLE_REQUEST_VIEW_GET_VALUES)
grid.ProcessTableMessage(msg)
def NotifyGrid(self, msg, count):
"Notifies the gird of the message and the affected count."
tbl_msg = GridTableMessage(self, msg, count)
self.GetView().ProcessTableMessage(tbl_msg)