+++ /dev/null
-
-import string
-
-import wx
-import wx.grid as gridlib
-
-#---------------------------------------------------------------------------
-class MyCellEditor(gridlib.PyGridCellEditor):
- """
- This is a sample GridCellEditor that shows you how to make your own custom
- grid editors. All the methods that can be overridden are shown here. The
- ones that must be overridden are marked with "*Must Override*" in the
- docstring.
- """
- def __init__(self, log):
- self.log = log
- self.log.write("MyCellEditor ctor\n")
- gridlib.PyGridCellEditor.__init__(self)
-
-
- def Create(self, parent, id, evtHandler):
- """
- Called to create the control, which must derive from wx.Control.
- *Must Override*
- """
- self.log.write("MyCellEditor: Create\n")
- self._tc = wx.TextCtrl(parent, id, "")
- self._tc.SetInsertionPoint(0)
- self.SetControl(self._tc)
-
- if 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.log.write("MyCellEditor: SetSize %s\n" % rect)
- self._tc.SetDimensions(rect.x, rect.y, rect.width+2, rect.height+2,
- wx.SIZE_ALLOW_MINUS_ONE)
-
-
- def Show(self, show, attr):
- """
- Show or hide the edit control. You can use the attr (if not None)
- to set colours or fonts for the control.
- """
- self.log.write("MyCellEditor: Show(self, %s, %s)\n" % (show, attr))
- super(MyCellEditor, self).Show(show, attr)
-
-
- def PaintBackground(self, rect, attr):
- """
- Draws the part of the cell not occupied by the edit control. The
- base class version just fills it with background colour from the
- attribute. In this class the edit control fills the whole cell so
- don't do anything at all in order to reduce flicker.
- """
- self.log.write("MyCellEditor: PaintBackground\n")
-
-
- 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*
- """
- self.log.write("MyCellEditor: BeginEdit (%d,%d)\n" % (row, col))
- self.startValue = grid.GetTable().GetValue(row, col)
- self._tc.SetValue(self.startValue)
- self._tc.SetInsertionPointEnd()
- self._tc.SetFocus()
-
- # For this example, select the text
- self._tc.SetSelection(0, self._tc.GetLastPosition())
-
-
- 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*
- """
- self.log.write("MyCellEditor: EndEdit (%d,%d)\n" % (row, col))
- 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.log.write("MyCellEditor: Reset\n")
- 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. F2 is special
- and will always start the editor.
- """
- self.log.write("MyCellEditor: IsAcceptedKey: %d\n" % (evt.GetKeyCode()))
-
- ## We can ask the base class to do it
- #return super(MyCellEditor, self).IsAcceptedKey(evt)
-
- # or do it ourselves
- return (not (evt.ControlDown() or evt.AltDown()) and
- evt.GetKeyCode() != wx.WXK_SHIFT)
-
-
- 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.
- """
- self.log.write("MyCellEditor: StartingKey %d\n" % evt.GetKeyCode())
- key = evt.GetKeyCode()
- ch = None
- if key in [ wx.WXK_NUMPAD0, wx.WXK_NUMPAD1, wx.WXK_NUMPAD2, wx.WXK_NUMPAD3,
- wx.WXK_NUMPAD4, wx.WXK_NUMPAD5, wx.WXK_NUMPAD6, wx.WXK_NUMPAD7,
- wx.WXK_NUMPAD8, wx.WXK_NUMPAD9
- ]:
-
- ch = ch = chr(ord('0') + key - wx.WXK_NUMPAD0)
-
- elif key < 256 and key >= 0 and chr(key) in string.printable:
- ch = chr(key)
-
- if ch is not None:
- # For this example, replace the text. Normally we would append it.
- #self._tc.AppendText(ch)
- self._tc.SetValue(ch)
- self._tc.SetInsertionPointEnd()
- else:
- evt.Skip()
-
-
- def StartingClick(self):
- """
- If the editor is enabled by clicking on the cell, this method will be
- called to allow the editor to simulate the click on the control if
- needed.
- """
- self.log.write("MyCellEditor: StartingClick\n")
-
-
- def Destroy(self):
- """final cleanup"""
- self.log.write("MyCellEditor: Destroy\n")
- super(MyCellEditor, self).Destroy()
-
-
- def Clone(self):
- """
- Create a new object which is the copy of this one
- *Must Override*
- """
- self.log.write("MyCellEditor: Clone\n")
- return MyCellEditor(self.log)
-
-
-#---------------------------------------------------------------------------
-class GridEditorTest(gridlib.Grid):
- def __init__(self, parent, log):
- gridlib.Grid.__init__(self, parent, -1)
- self.log = log
-
- self.CreateGrid(10, 3)
-
- # Somebody changed the grid so the type registry takes precedence
- # over the default attribute set for editors and renderers, so we
- # have to set null handlers for the type registry before the
- # default editor will get used otherwise...
- #self.RegisterDataType(wxGRID_VALUE_STRING, None, None)
- #self.SetDefaultEditor(MyCellEditor(self.log))
-
- # Or we could just do it like this:
- #self.RegisterDataType(wx.GRID_VALUE_STRING,
- # wx.GridCellStringRenderer(),
- # MyCellEditor(self.log))
- # )
-
- # but for this example, we'll just set the custom editor on one cell
- self.SetCellEditor(1, 0, MyCellEditor(self.log))
- self.SetCellValue(1, 0, "Try to edit this box")
-
- # and on a column
- attr = gridlib.GridCellAttr()
- attr.SetEditor(MyCellEditor(self.log))
- self.SetColAttr(2, attr)
- self.SetCellValue(1, 2, "or any in this column")
-
- self.SetColSize(0, 150)
- self.SetColSize(1, 150)
- self.SetColSize(2, 150)
-
-
-#---------------------------------------------------------------------------
-
-class TestFrame(wx.Frame):
- def __init__(self, parent, log):
- wx.Frame.__init__(self, parent, -1, "Custom Grid Cell Editor Test",
- size=(640,480))
- grid = GridEditorTest(self, log)
-
-#---------------------------------------------------------------------------
-
-if __name__ == '__main__':
- import sys
- app = wx.PySimpleApp()
- frame = TestFrame(None, sys.stdout)
- frame.Show(True)
- app.MainLoop()
-
-