From 5841276a802f0fc29a260fd4dde6710e450e1b0c Mon Sep 17 00:00:00 2001 From: Robin Dunn Date: Sun, 2 May 2004 02:45:06 +0000 Subject: [PATCH] Added wx.lib.mixins.listctrl.TextEditMixin, a mixin class that allows all columns of a wx.ListCtrl in report mode to be edited. git-svn-id: https://svn.wxwidgets.org/svn/wx/wxWidgets/trunk@27050 c3d73ce0-8a6f-49c7-b76d-6d57e0e08775 --- wxPython/docs/CHANGES.txt | 2 + wxPython/wx/lib/mixins/listctrl.py | 132 ++++++++++++++++++++++++++++- 2 files changed, 132 insertions(+), 2 deletions(-) diff --git a/wxPython/docs/CHANGES.txt b/wxPython/docs/CHANGES.txt index 7ccf7f2137..564f883c82 100644 --- a/wxPython/docs/CHANGES.txt +++ b/wxPython/docs/CHANGES.txt @@ -26,6 +26,8 @@ implemetation. In addition a set of renamed methods have been added that take wx.Point and/or wx.Size objects instead of individual parameters. +Added wx.lib.mixins.listctrl.TextEditMixin, a mixin class that allows +all columns of a wx.ListCtrl in report mode to be edited. diff --git a/wxPython/wx/lib/mixins/listctrl.py b/wxPython/wx/lib/mixins/listctrl.py index 28247de2f4..ddbb8b46a0 100644 --- a/wxPython/wx/lib/mixins/listctrl.py +++ b/wxPython/wx/lib/mixins/listctrl.py @@ -164,7 +164,7 @@ class ListCtrlAutoWidthMixin: _OnResize method is called. This mix-in class was written by Erik Westra -""" + """ def __init__(self): """ Standard initialiser. """ @@ -268,6 +268,7 @@ def selectBeforePopup(event): # ctrl.SetItemState(i, 0, SEL_FOC) ctrl.SetItemState(n, SEL_FOC, SEL_FOC) + def getListCtrlSelection(listctrl, state=wx.LIST_STATE_SELECTED): """ Returns list of item indexes of given state (selected by defaults) """ res = [] @@ -282,6 +283,7 @@ def getListCtrlSelection(listctrl, state=wx.LIST_STATE_SELECTED): wxEVT_DOPOPUPMENU = wx.NewEventType() EVT_DOPOPUPMENU = wx.PyEventBinder(wxEVT_DOPOPUPMENU, 0) + class ListCtrlSelectionManagerMix: """Mixin that defines a platform independent selection policy @@ -295,18 +297,22 @@ class ListCtrlSelectionManagerMix: self.Bind(EVT_DOPOPUPMENU, self.OnLCSMDoPopup) # self.Connect(-1, -1, self.wxEVT_DOPOPUPMENU, self.OnLCSMDoPopup) + def getPopupMenu(self): """ Override to implement dynamic menus (create) """ return self._menu + def setPopupMenu(self, menu): """ Must be set for default behaviour """ self._menu = menu + def afterPopupMenu(self, menu): """ Override to implement dynamic menus (destroy) """ pass + def getSelection(self): res = getListCtrlSelection(self) if self.GetWindowStyleFlag() & wx.LC_SINGLE_SEL: @@ -317,6 +323,7 @@ class ListCtrlSelectionManagerMix: else: return res + def OnLCSMRightDown(self, event): selectBeforePopup(event) event.Skip() @@ -328,8 +335,129 @@ class ListCtrlSelectionManagerMix: evt.pos = event.GetPosition() wx.PostEvent(self, evt) + def OnLCSMDoPopup(self, event): self.PopupMenu(event.menu, event.pos) self.afterPopupMenu(event.menu) -#---------------------------------------------------------------------- + +#---------------------------------------------------------------------------- +from bisect import bisect + + +class TextEditMixin: + """ + A mixin class that handles enables any text in any column of a + multi-column listctrl to be edited by clicking on the given row + and column. You close the text editor by hitting the ENTER key or + clicking somewhere else on the listctrl. You switch to the next + column by hiting TAB. + + To use the mixin you have to include it in the class definition + and call the __init__ function:: + + class TestListCtrl(wx.ListCtrl, TextEdit): + def __init__(self, parent, ID, pos=wx.DefaultPosition, + size=wx.DefaultSize, style=0): + wx.ListCtrl.__init__(self, parent, ID, pos, size, style) + TextEdit.__init__(self) + + + Authors: Steve Zatz, Pim Van Heuven (pim@think-wize.com) + """ + + def __init__(self): + #editor = wx.TextCtrl(self, -1, pos=(-1,-1), size=(-1,-1), + # style=wx.TE_PROCESS_ENTER|wx.TE_PROCESS_TAB \ + # |wx.TE_RICH2) + editor = wx.PreTextCtrl() + editor.Hide() + editor.Create(self, -1, style=wx.TE_PROCESS_ENTER|wx.TE_PROCESS_TAB|wx.TE_RICH2) + editor.SetBackgroundColour(wx.Colour(red=255,green=255,blue=175)) #Yellow + font = self.GetFont() + editor.SetFont(font) + + self.editor = editor + self.Bind(wx.EVT_TEXT_ENTER, self.CloseEditor) + 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() + evt.Skip() + + + 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: + self.CloseEditor() + if self.curCol+1 < self.GetColumnCount(): + self.OpenEditor(self.curCol+1, self.curRow) + else: + event.Skip() + + + def OnLeftDown(self, evt=None): + ''' Examine the click and double + click events to see if a row has been click on twice. If so, + determine the current row and columnn and open the editor.''' + + if self.editor.IsShown(): + self.CloseEditor() + + x,y = evt.GetPosition() + row,flags = self.HitTest((x,y)) + + if row != self.curRow: # self.curRow keeps track of the current row + evt.Skip() + return + + # the following should really be done in the mixin's init but + # the wx.ListCtrl demo creates the columns after creating the + # ListCtrl (generally not a good idea) on the other hand, + # doing this here handles adjustable column widths + + self.col_locs = [0] + loc = 0 + for n in range(self.GetColumnCount()): + loc = loc + self.GetColumnWidth(n) + self.col_locs.append(loc) + + col = bisect(self.col_locs, x) - 1 + self.OpenEditor(col, row) + + + def OpenEditor(self, col, row): + ''' Opens an editor at the current position. ''' + + x0 = self.col_locs[col] + x1 = self.col_locs[col+1] - x0 + + y0 = self.GetItemRect(row)[1] + + editor = self.editor + editor.SetDimensions(x0,y0, x1,-1) + editor.SetValue(self.GetItem(row, col).GetText()) + editor.Show() + editor.Raise() + editor.SetSelection(-1,-1) + editor.SetFocus() + + self.curRow = row + self.curCol = col + + + def CloseEditor(self, evt=None): + ''' 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) + + + +#---------------------------------------------------------------------------- -- 2.45.2