# 12/21/2003 - Jeff Grimmett (grimmtooth@softhome.net)
#
# o wxColumnSorterMixin -> ColumnSorterMixin
-# o wxListCtrlAutoWidthMixin -> ListCtrlAutoWidthMixin
+# o wxListCtrlAutoWidthMixin -> ListCtrlAutoWidthMixin
+# ...
+# 13/10/2004 - Pim Van Heuven (pim@think-wize.com)
+# o wxTextEditMixin: Support Horizontal scrolling when TAB is pressed on long
+# ListCtrls, support for WXK_DOWN, WXK_UP, performance improvements on
+# very long ListCtrls, Support for virtual ListCtrls
+#
+# 15-Oct-2004 - Robin Dunn
+# o wxTextEditMixin: Added Shift-TAB support
#
import locale
#editor = wx.TextCtrl(self, -1, pos=(-1,-1), size=(-1,-1),
# style=wx.TE_PROCESS_ENTER|wx.TE_PROCESS_TAB \
# |wx.TE_RICH2)
+
+ self.make_editor()
+ self.Bind(wx.EVT_TEXT_ENTER, self.CloseEditor)
+ self.Bind(wx.EVT_LEFT_DOWN, self.OnLeftDown)
+ self.Bind(wx.EVT_LEFT_DCLICK, self.OnLeftDown)
+ self.Bind(wx.EVT_LIST_ITEM_SELECTED, self.OnItemSelected)
+
+
+ def make_editor(self, col_style=wx.LIST_FORMAT_LEFT):
editor = wx.PreTextCtrl()
- editor.Hide()
- editor.Create(self, -1, style=wx.TE_PROCESS_ENTER|wx.TE_PROCESS_TAB|wx.TE_RICH2)
+
+ style =wx.TE_PROCESS_ENTER|wx.TE_PROCESS_TAB|wx.TE_RICH2
+ style |= {wx.LIST_FORMAT_LEFT: wx.TE_LEFT, wx.LIST_FORMAT_RIGHT: wx.TE_RIGHT, wx.LIST_FORMAT_CENTRE : wx.TE_CENTRE}[col_style]
+
+ editor.Create(self, -1, style=style)
editor.SetBackgroundColour(wx.Colour(red=255,green=255,blue=175)) #Yellow
font = self.GetFont()
editor.SetFont(font)
+ self.curRow = 0
+ self.curCol = 0
+
+ editor.Hide()
self.editor = editor
- self.Bind(wx.EVT_TEXT_ENTER, self.CloseEditor)
+
+ self.col_style = col_style
self.editor.Bind(wx.EVT_CHAR, self.OnChar)
self.editor.Bind(wx.EVT_KILL_FOCUS, self.CloseEditor)
- self.Bind(wx.EVT_LEFT_DOWN, self.OnLeftDown)
- self.Bind(wx.EVT_LEFT_DCLICK, self.OnLeftDown)
- self.Bind(wx.EVT_LIST_ITEM_SELECTED, self.OnItemSelected)
- self.curRow = -1
-
+
def OnItemSelected(self, evt):
self.curRow = evt.GetIndex()
def OnChar(self, event):
- ''' Catch the TAB key code so we can open the editor at the next column (if any).'''
- if event.GetKeyCode() == wx.WXK_TAB:
+ ''' Catch the TAB, Shift-TAB, cursor DOWN/UP key code
+ so we can open the editor at the next column (if any).'''
+
+ keycode = event.GetKeyCode()
+ if keycode == wx.WXK_TAB and event.ShiftDown():
+ self.CloseEditor()
+ if self.curCol-1 >= 0:
+ self.OpenEditor(self.curCol-1, self.curRow)
+
+ elif keycode == wx.WXK_TAB:
self.CloseEditor()
if self.curCol+1 < self.GetColumnCount():
self.OpenEditor(self.curCol+1, self.curRow)
+
+ elif keycode == wx.WXK_ESCAPE:
+ self.CloseEditor()
+
+ elif keycode == wx.WXK_DOWN:
+ self.CloseEditor()
+ if self.curRow+1 < self.GetItemCount():
+ self._SelectIndex(self.curRow+1)
+ self.OpenEditor(self.curCol, self.curRow)
+
+ elif keycode == wx.WXK_UP:
+ self.CloseEditor()
+ if self.curRow > 0:
+ self._SelectIndex(self.curRow-1)
+ self.OpenEditor(self.curCol, self.curRow)
+
else:
event.Skip()
for n in range(self.GetColumnCount()):
loc = loc + self.GetColumnWidth(n)
self.col_locs.append(loc)
+
- col = bisect(self.col_locs, x) - 1
+ col = bisect(self.col_locs, x+self.GetScrollPos(wx.HORIZONTAL)) - 1
self.OpenEditor(col, row)
def OpenEditor(self, col, row):
''' Opens an editor at the current position. '''
+
+ if self.GetColumn(col).m_format != self.col_style:
+ self.make_editor(self.GetColumn(col).m_format)
x0 = self.col_locs[col]
x1 = self.col_locs[col+1] - x0
+ scrolloffset = self.GetScrollPos(wx.HORIZONTAL)
+
+ # scroll foreward
+ if x0+x1-scrolloffset > self.GetSize()[0]:
+ if wx.Platform == "__WXMSW__":
+ # don't start scrolling unless we really need to
+ offset = x0+x1-self.GetSize()[0]-scrolloffset
+ # scroll a bit more than what is minimum required
+ # so we don't have to scroll everytime the user presses TAB
+ # which is very tireing to the eye
+ addoffset = self.GetSize()[0]/4
+ # but be careful at the end of the list
+ if addoffset + scrolloffset < self.GetSize()[0]:
+ offset += addoffset
+
+ self.ScrollList(offset, 0)
+ scrolloffset = self.GetScrollPos(wx.HORIZONTAL)
+ else:
+ # Since we can not programmatically scroll the ListCtrl
+ # close the editor so the user can scroll and open the editor
+ # again
+ self.CloseEditor()
+ return
+
y0 = self.GetItemRect(row)[1]
editor = self.editor
- editor.SetDimensions(x0,y0, x1,-1)
+ editor.SetDimensions(x0-scrolloffset,y0, x1,-1)
+
editor.SetValue(self.GetItem(row, col).GetText())
editor.Show()
editor.Raise()
''' Close the editor and save the new value to the ListCtrl. '''
text = self.editor.GetValue()
self.editor.Hide()
- self.SetStringItem(self.curRow, self.curCol, text)
+ if self.IsVirtual():
+ # replace by whather you use to populate the virtual ListCtrl
+ # data source
+ self.SetVirtualData(self.curRow, self.curCol, text)
+ else:
+ self.SetStringItem(self.curRow, self.curCol, text)
+ self.RefreshItem(self.curRow)
+
+ def _SelectIndex(self, row):
+ listlen = self.GetItemCount()
+ if row < 0 and not listlen:
+ return
+ if row > (listlen-1):
+ row = listlen -1
+
+ self.SetItemState(self.curRow, ~wx.LIST_STATE_SELECTED,
+ wx.LIST_STATE_SELECTED)
+ self.EnsureVisible(row)
+ self.SetItemState(row, wx.LIST_STATE_SELECTED,
+ wx.LIST_STATE_SELECTED)