WebBrowser/Passwords/PasswordModel.py

branch
QtWebEngine
changeset 4743
f9e2e536d130
parent 4631
5c1a96925da4
child 5389
9b1c800daff3
equal deleted inserted replaced
4742:f9d1090f6ab9 4743:f9e2e536d130
1 # -*- coding: utf-8 -*-
2
3 # Copyright (c) 2009 - 2016 Detlev Offenbach <detlev@die-offenbachs.de>
4 #
5
6 """
7 Module implementing a model for password management.
8 """
9
10 from __future__ import unicode_literals
11
12 from PyQt5.QtCore import Qt, QModelIndex, QAbstractTableModel
13
14
15 class PasswordModel(QAbstractTableModel):
16 """
17 Class implementing a model for password management.
18 """
19 def __init__(self, manager, parent=None):
20 """
21 Constructor
22
23 @param manager reference to the password manager (PasswordManager)
24 @param parent reference to the parent object (QObject)
25 """
26 super(PasswordModel, self).__init__(parent)
27
28 self.__manager = manager
29 manager.changed.connect(self.__passwordsChanged)
30
31 self.__headers = [
32 self.tr("Website"),
33 self.tr("Username"),
34 self.tr("Password")
35 ]
36
37 self.__showPasswords = False
38
39 def setShowPasswords(self, on):
40 """
41 Public methods to show passwords.
42
43 @param on flag indicating if passwords shall be shown (boolean)
44 """
45 self.__showPasswords = on
46 self.beginResetModel()
47 self.endResetModel()
48
49 def showPasswords(self):
50 """
51 Public method to indicate, if passwords shall be shown.
52
53 @return flag indicating if passwords shall be shown (boolean)
54 """
55 return self.__showPasswords
56
57 def __passwordsChanged(self):
58 """
59 Private slot handling a change of the registered passwords.
60 """
61 self.beginResetModel()
62 self.endResetModel()
63
64 def removeRows(self, row, count, parent=QModelIndex()):
65 """
66 Public method to remove entries from the model.
67
68 @param row start row (integer)
69 @param count number of rows to remove (integer)
70 @param parent parent index (QModelIndex)
71 @return flag indicating success (boolean)
72 """
73 if parent.isValid():
74 return False
75
76 if count <= 0:
77 return False
78
79 lastRow = row + count - 1
80
81 self.beginRemoveRows(parent, row, lastRow)
82
83 siteList = self.__manager.allSiteNames()
84 for index in range(row, lastRow + 1):
85 self.__manager.removePassword(siteList[index])
86
87 # removeEngine emits changed()
88 #self.endRemoveRows()
89
90 return True
91
92 def rowCount(self, parent=QModelIndex()):
93 """
94 Public method to get the number of rows of the model.
95
96 @param parent parent index (QModelIndex)
97 @return number of rows (integer)
98 """
99 if parent.isValid():
100 return 0
101 else:
102 return self.__manager.sitesCount()
103
104 def columnCount(self, parent=QModelIndex()):
105 """
106 Public method to get the number of columns of the model.
107
108 @param parent parent index (QModelIndex)
109 @return number of columns (integer)
110 """
111 if self.__showPasswords:
112 return 3
113 else:
114 return 2
115
116 def data(self, index, role):
117 """
118 Public method to get data from the model.
119
120 @param index index to get data for (QModelIndex)
121 @param role role of the data to retrieve (integer)
122 @return requested data
123 """
124 if index.row() >= self.__manager.sitesCount() or index.row() < 0:
125 return None
126
127 site = self.__manager.allSiteNames()[index.row()]
128 siteInfo = self.__manager.siteInfo(site)
129
130 if siteInfo is None:
131 return None
132
133 if role == Qt.DisplayRole:
134 if index.column() == 0:
135 return site
136 elif index.column() in [1, 2]:
137 return siteInfo[index.column() - 1]
138
139 return None
140
141 def headerData(self, section, orientation, role=Qt.DisplayRole):
142 """
143 Public method to get the header data.
144
145 @param section section number (integer)
146 @param orientation header orientation (Qt.Orientation)
147 @param role data role (integer)
148 @return header data
149 """
150 if orientation == Qt.Horizontal and role == Qt.DisplayRole:
151 try:
152 return self.__headers[section]
153 except IndexError:
154 pass
155
156 return None

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