Source Code for Module diffpy.pdfgui.gui.wxExtensions.autowidthlabelsgrid

 1  ############################################################################## 
 2  # 
 3  # wxExtensions      by DANSE Diffraction group 
 4  #                   Simon J. L. Billinge 
 5  #                   (c) 2006 trustees of the Michigan State University. 
 6  #                   All rights reserved. 
 7  # 
 8  # File coded by:    Dmitriy Bryndin 
 9  # 
10  # See AUTHORS.txt for a list of people who contributed. 
11  # See LICENSE.txt for license information. 
12  # 
13  ############################################################################## 
14   
15  """This module contains AutoWidthListCtrl, a wxListCtrl object that 
16  automatically adjusts the width of its columns. 
17  """ 
18   
19  __id__ = "$Id: autowidthlabelsgrid.py 2980 2009-04-02 00:14:33Z juhas $" 
20   
21  import wx 
22  import wx.grid 
23   
24 -class AutoWidthLabelsGrid(wx.grid.Grid): 
25      '''wx grid which allows lables auto sizing''' 
26  #    def __init__(self, parent, state, size): 
27  #        wx.grid.Grid.__init__(self, parent, state, size) 
28   
29 -    def AutosizeLabels(self,rows=True,cols=False): 
30          # Common setup.  
31          devContext = wx.ScreenDC()  
32          devContext.SetFont(self.GetLabelFont())  
33   
34          # First do row labels.  
35          if rows: 
36              maxWidth = 0  
37              curRow = self.GetNumberRows() - 1  
38              while curRow >= 0:  
39                  curWidth = devContext.GetTextExtent("M%s"%(self.GetRowLabelValue(curRow)))[0]  
40                  if curWidth > maxWidth:  
41                      maxWidth = curWidth  
42                  curRow = curRow - 1  
43              self.SetRowLabelSize(maxWidth)  
44   
45          # Then column labels.  
46          if cols: 
47              maxHeight = 0  
48              curCol = self.GetNumberCols() - 1  
49              while curCol >= 0:  
50                  (w,h,d,l) = devContext.GetFullTextExtent(self.GetColLabelValue(curCol))  
51                  curHeight = h + d + l + 4  
52                  if curHeight > maxHeight:  
53                      maxHeight = curHeight  
54                  curCol = curCol - 1  
55              self.SetColLabelSize(maxHeight)  
56          return 
57   
58  # End of class AutoWidthLabelsGrid 
59