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         if col == 0:
  59             return wx.grid.GRID_VALUE_BOOL
  60         else:
  61             return wx.grid.GRID_VALUE_STRING
  62
  63     # Called to determine how the data can be fetched and stored by the
  64     # editor and renderer.  This allows you to enforce some type-safety
  65     # in the grid.
  66     def CanGetValueAs(self, row, col, typeName):
  67         colType = self.GetTypeName(row, col)
  68         if typeName == colType:
  69             return True
  70         else:
  71             return False
  72
  73     def CanSetValueAs(self, row, col, typeName):
  74         return self.CanGetValueAs(row, col, typeName)
  75
  76
  77 class ListBooksPanel(GridPanel):
  78
  79     def InitGrid(self):
  80         books_by_author = self.param['books_by_author']
  81         columns = self.param['columns']
  82         columns.insert(0, u'Выбрать')
  83         total_rows = 0
  84         for author in books_by_author:
  85             books = books_by_author[author]
  86             series = {book.series for book in books}
  87             total_rows += len(books) + len(series) + 1
  88         grid = self.grid
  89         grid.SetTable(BooksDataTable(total_rows, columns), takeOwnership=True)
  90         grid.EnableEditing(False)
  91         for col, col_name in enumerate(columns):
  92             grid.AutoSizeColLabelSize(col)
  93             if col == 0:
  94                 cell_attr = wx.grid.GridCellAttr()
  95                 cell_attr.SetAlignment(wx.ALIGN_CENTRE, wx. ALIGN_CENTRE)
  96                 grid.SetColAttr(col, cell_attr)
  97             elif col_name in ('ser_no', 'size'):
  98                 cell_attr = wx.grid.GridCellAttr()
  99                 cell_attr.SetAlignment(wx.ALIGN_RIGHT, wx. ALIGN_CENTRE)
 100                 grid.SetColAttr(col, cell_attr)
 101         row = 0
 102         for author in sorted(books_by_author):
 103             grid.SetCellAlignment(row, 1, wx.ALIGN_LEFT, wx. ALIGN_CENTRE)
 104             grid.SetCellSize(row, 1, 1, len(columns)-1)
 105             grid.SetCellValue(row, 1, u'%s' % (author,))
 106             row += 1
 107             books = books_by_author[author]
 108             series = None
 109             for book in books:
 110                 if book.series != series:
 111                     if book.series:
 112                         value = book.series
 113                     else:
 114                         value = u'Вне серий'
 115                     grid.SetCellAlignment(row, 1,
 116                                           wx.ALIGN_LEFT, wx. ALIGN_CENTRE)
 117                     grid.SetCellSize(row, 1, 1, len(columns)-1)
 118                     grid.SetCellValue(row, 1,
 119                                       u'%s — %s' % (book.author1, value))
 120                     row += 1
 121                     series = book.series
 122                 for col, col_name in enumerate(columns[1:]):
 123                     value = getattr(book, col_name)
 124                     if value is None:
 125                         value = u''
 126                     elif not isinstance(value, (string_type, unicode_type)):
 127                         value = str(value)
 128                     grid.SetCellValue(row, col+1, value)
 129                 row += 1
 130         grid.AutoSizeColumns()
 131         grid.AutoSizeRows()
 132
 133     def OnDClick(self, event):
 134         pass
 135
 136     def OnKeyDown(self, event):
 137         if event.GetKeyCode() == wx.WXK_ESCAPE:
 138             self.Parent.Close()
 139         else:
 140             event.Skip()
 141
 142
 143 class ListBooksWindow(GridWindow):
 144
 145     session_config_section_name = 'list_books'
 146     window_title = u"m_Librarian: Список книг"
 147     GridPanelClass = ListBooksPanel