Source Code for Module mcbase.widgets.mc

  1  # -*- coding: utf-8 -*- 
  2   
  3  ############################################################################ 
  4  # mc.py 
  5  # 
  6  # Class representing common constants and helper functions shared among 
  7  # MOCOP GUI 
  8  # 
  9  # (C) 2008 Likya Software Ltd. 
 10  ############################################################################ 
 11   
 12  import decimal 
 13  from PyQt4.Qt import * 
 14   
 15   
 16 -class MC(object): 
 17   
 18      MAIN_WINDOW = None 
 19      BASE_GUI_CLIENT = None 
 20   
 21      DEFAULT_LANG = 'en' 
 22      LOCAL_ENCODING = 'ISO8859-9' 
 23   
 24      FOCUS_BACKGROUND_COLOR = QColor('#ffde56') 
 25      FOCUS_BACKGROUND_COLOR_NOFOCUS = QColor('#ffffc3') 
 26      FOREGROUND_COLOR_RO = QColor(0, 0, 0) 
 27      FOCUS_BACKGROUND_COLOR_RO = QColor(230, 230, 238) 
 28      FOCUS_BACKGROUND_COLOR_SELECTED = QColor(217, 165, 70) 
 29      TEXT_SELECTION_COLOR = QColor('#ffaa00') 
 30      HIGHLIGHTED_TEXT_COLOR = QColor('#001b2c') 
 31   
 32      CALL_LATER_DELAY = 0.00001 
 33   
 34      RO_TABLE_CACHE_SIZE = 150 
 35      MAX_RECORDS = RO_TABLE_CACHE_SIZE * 2 
 36   
 37      EMPTY_QVARIANT = QVariant() 
 38      ALIGNRIGHT_QVARIANT = QVariant(Qt.AlignRight) 
 39      ALIGNLEFT_QVARIANT = QVariant(Qt.AlignLeft) 
 40      SELECTED_QVARIANT = QVariant(QBrush(QColor("red"))) 
 41      NO_FILTER_BRUSH = QBrush(QColor("#e6e6ee")) 
 42   
 43      SORT_IND_ASC = '▲' 
 44      SORT_IND_DESC = '▼' 
 45   
 46      # Constants for data sources (models) and tables. 
 47      SOURCE_HEADER_KEY    = 0 
 48      SOURCE_HEADER_LABEL  = 1 
 49      SOURCE_HEADER_WIDTH  = 2 
 50      SOURCE_HEADER_STATUS = 3 
 51      SOURCE_HEADER_TYPE   = 4 
 52      SOURCE_HEADER_PRMS   = 5 
 53      SOURCE_HEADER_DATA   = 6 
 54   
 55      SOURCE_HEADER_INDEX     = 0 
 56      SOURCE_HEADER_TOTAL_LEN = 7 
 57   
 58      EDIT_CURRENT_CELL_HINT       = 101 
 59      EDIT_CELL_ABOVE_HINT         = 102 
 60      EDIT_CELL_BELOW_HINT         = 103 
 61      EDIT_NEXTLINE_FIRSTCELL_HINT = 104 
 62       
 63      TABLE_VERTICAL_HEADER_WIDTH = 22 
 64      # Always hidden column types for tables 
 65      TABLE_HIDDEN_COL_TYPES = ('primarykey', 'hidden', ) 
 66   
 67      NUMBER_FRAC_SEP = ',' 
 68      NUMBER_THOUSAND_SEP = ' ' 
 69      NUMBER_FRAC_PRECISION = 2 
 70   
 71      @staticmethod 
 72 -    def returnQVariant(func): 
 73          ''' 
 74          Decorator olarak atandığı her fonksiyonun döndürdüğü değerleri  
 75          QVariant'a dönüştürür. 
 76          ''' 
 77          def wrapper(self, *args, **kwargs): 
 78   
 79              result = func(self, *args, **kwargs) 
 80   
 81              if result is None: 
 82                  return QVariant() 
 83   
 84              else: 
 85                  return QVariant(result) 
 86   
 87          return wrapper 
 88   
 89      @staticmethod 
 90 -    def quantize(origNumber, precision=None, roundType=None): 
 91          ''' 
 92          Rounds the given number according to given parameters 
 93          ''' 
 94          if roundType == None: 
 95              roundType = decimal.ROUND_HALF_UP 
 96           
 97          if precision == 0: 
 98              base = decimal.Decimal('1') 
 99          else: 
100              base = decimal.Decimal('0.%s' % ''.zfill(precision)) 
101   
102          return decimal.Decimal(origNumber).quantize(base, rounding=roundType) 
103