m_librarian/wx/ListBooks.py

   1 # coding: utf-8
   2
   3 import wx, wx.grid  # noqa: E401 multiple imports on one line
   4 from ..compat import string_type, unicode_type
   5 from ..translations import translations
   6 from .Grids import GridWindow, GridPanel
   7
   8
   9 _ = getattr(translations, 'ugettext', None) or translations.gettext
  10
  11
  12 class BooksDataTable(wx.grid.GridTableBase):
  13     def __init__(self, rows_count, column_names):
  14         wx.grid.GridTableBase.__init__(self)
  15         self.rows_count = rows_count
  16         self.column_names = column_names
  17         self.data = []
  18         for row in range(rows_count):
  19             row_data = []
  20             self.data.append(row_data)
  21             for col in range(len(column_names)):
  22                 row_data.append('')
  23
  24     # required methods for the wxPyGridTableBase interface
  25
  26     def GetNumberRows(self):
  27         return self.rows_count
  28
  29     def GetNumberCols(self):
  30         return len(self.column_names)
  31
  32     def IsEmptyCell(self, row, col):
  33         return False
  34
  35     # Get/Set values in the table.  The Python version of these
  36     # methods can handle any data-type, (as long as the Editor and
  37     # Renderer understands the type too,) not just strings as in the
  38     # C++ version.
  39     def GetValue(self, row, col):
  40         return self.data[row][col]
  41
  42     def SetValue(self, row, col, value):
  43         self.data[row][col] = value
  44
  45     # Optional methods
  46
  47     # Called when the grid needs to display labels
  48     def GetRowLabelValue(self, row):
  49         return str(row)
  50
  51     def GetColLabelValue(self, col):
  52         return _(self.column_names[col])
  53
  54     # Called to determine the kind of editor/renderer to use by
  55     # default, doesn't necessarily have to be the same type used
  56     # natively by the editor/renderer if they know how to convert.
  57     def GetTypeName(self, row, col):
  58         return wx.grid.GRID_VALUE_STRING
  59
  60
  61 class ListBooksPanel(GridPanel):
  62
  63     def InitGrid(self):
  64         books_by_author = self.param['books_by_author']
  65         columns = self.param['columns']
  66         total_rows = 0
  67         for author in books_by_author:
  68             books = books_by_author[author]
  69             series = {book.series for book in books}
  70             total_rows += len(books) + len(series) + 1
  71         grid = self.grid
  72         grid.SetTable(BooksDataTable(total_rows, columns), takeOwnership=True)
  73         grid.EnableEditing(False)
  74         for col, col_name in enumerate(columns):
  75             grid.AutoSizeColLabelSize(col)
  76             if col_name in ('ser_no', 'size'):
  77                 cell_attr = wx.grid.GridCellAttr()
  78                 cell_attr.SetAlignment(wx.ALIGN_RIGHT, wx. ALIGN_CENTRE)
  79                 grid.SetColAttr(col, cell_attr)
  80         row = 0
  81         for author in sorted(books_by_author):
  82             grid.SetCellAlignment(row, 0, wx.ALIGN_LEFT, wx. ALIGN_CENTRE)
  83             grid.SetCellSize(row, 0, 1, len(columns))
  84             grid.SetCellValue(row, 0, u'%s' % (author,))
  85             row += 1
  86             books = books_by_author[author]
  87             series = None
  88             for book in books:
  89                 if book.series != series:
  90                     if book.series:
  91                         value = book.series
  92                     else:
  93                         value = u'Вне серий'
  94                     grid.SetCellAlignment(row, 0,
  95                                           wx.ALIGN_LEFT, wx. ALIGN_CENTRE)
  96                     grid.SetCellSize(row, 0, 1, len(columns))
  97                     grid.SetCellValue(row, 0,
  98                                       u'%s — %s' % (book.author1, value))
  99                     row += 1
 100                     series = book.series
 101                 for col, col_name in enumerate(columns):
 102                     value = getattr(book, col_name)
 103                     if value is None:
 104                         value = u''
 105                     elif not isinstance(value, (string_type, unicode_type)):
 106                         value = str(value)
 107                     grid.SetCellValue(row, col, value)
 108                 row += 1
 109         grid.AutoSizeColumns()
 110         grid.AutoSizeRows()
 111
 112     def OnDClick(self, event):
 113         pass
 114
 115     def OnKeyDown(self, event):
 116         if event.GetKeyCode() == wx.WXK_ESCAPE:
 117             self.Parent.Close()
 118         else:
 119             event.Skip()
 120
 121
 122 class ListBooksWindow(GridWindow):
 123
 124     session_config_section_name = 'list_books'
 125     window_title = u"m_Librarian: Список книг"
 126     GridPanelClass = ListBooksPanel