Source Code for Module pyforms.gui.Controls.ControlEmptyWidget

 1  #!/usr/bifn/python 
 2  # -*- coding: utf-8 -*- 
 3  ''' 
 4  @author: Ricardo Ribeiro 
 5  @credits: Ricardo Ribeiro 
 6  @license: MIT 
 7  @version: 0.0 
 8  @maintainer: Ricardo Ribeiro 
 9  @email: ricardojvr@gmail.com 
10  @status: Development 
11  @lastEditedBy: Carlos Mão de Ferro (carlos.maodeferro@neuro.fchampalimaud.org) 
12  ''' 
13  import sip 
14                           
15  from PyQt4 import QtGui 
16  from pyforms.gui.Controls.ControlBase import ControlBase 
17  from pyforms.gui.BaseWidget import BaseWidget 
18   
19   
20 -class ControlEmptyWidget(ControlBase, QtGui.QWidget): 
21   
22   
23 -        def __init__(self, label=''): 
24                  ControlBase.__init__(self, label) 
25                  QtGui.QWidget.__init__(self) 
26   
27                  layout = QtGui.QVBoxLayout(); layout.setMargin(0) 
28                  self.form.setLayout( layout ) 
29   
30 -        def initForm(self): 
31                  pass 
32   
33          ############################################################################ 
34          ############ Properties #################################################### 
35          ############################################################################ 
36   
37          @property 
38 -        def value(self): return ControlBase.value.fget(self) 
39   
40          @value.setter 
41 -        def value(self, value): 
42                  ControlBase.value.fset(self, value)              
43                  self.__clearLayout() 
44                           
45   
46                  if value is None or value=='':  return  
47                   
48                  if isinstance( self._value, list ): 
49                          for w in self._value: 
50                                  if w!=None and w!="": self.form.layout().removeWidget( w.form ) 
51                   
52                  if isinstance( value, list ): 
53                          for w in value: 
54                                  self.form.layout().addWidget( w.form ) 
55                  else: 
56                          self.form.layout().addWidget( value.form ) 
57   
58                  #The initForm should be called only for the BaseWidget 
59                  if isinstance(value, BaseWidget): value.initForm() 
60                   
61                   
62          @property 
63 -        def form(self): return self 
64   
65 -        def save(self, data):  
66                  if self.value!='': 
67                          data['value'] = {} 
68                          self.value.save(data['value']) 
69   
70 -        def load(self, data): 
71                  if 'value' in data: self.value.load(data['value']) 
72   
73   
74   
75   
76   
77 -        def __clearLayout(self): 
78                  if self.form.layout() is not None: 
79                          old_layout = self.form.layout() 
80                          for i in reversed(range(old_layout.count())): 
81                                  old_layout.itemAt(i).widget().setParent(None) 
82                           
83   
84 -        def show(self): 
85                  """ 
86                  Show the control 
87                  """ 
88                  QtGui.QWidget.show(self) 
89   
90 -        def hide(self): 
91                  """ 
92                  Hide the control 
93                  """ 
94                  QtGui.QWidget.hide(self) 
95