E5Gui/E5TreeView.py

Sun, 19 Jun 2011 15:19:46 +0200

author
Detlev Offenbach <detlev@die-offenbachs.de>
date
Sun, 19 Jun 2011 15:19:46 +0200
changeset 1127
b1802ebe0066
parent 945
8cd4d08fa9f6
child 1131
7781e396c903
permissions
-rw-r--r--

Added capability to encrypt saved passwords with a master password and rearranged some configuration parameters related to security.

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b5c84934de9c Renamed E4Gui to E5Gui.
Detlev Offenbach <detlev@die-offenbachs.de>
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1 # -*- coding: utf-8 -*-
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2
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9ec2ac20e54e Updated copyright notice.
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3 # Copyright (c) 2009 - 2011 Detlev Offenbach <detlev@die-offenbachs.de>
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4 #
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5
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6 """
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7 Module implementing specialized tree views.
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8 """
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9
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10 from PyQt4.QtCore import Qt
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11 from PyQt4.QtGui import QTreeView
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12
945
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parents: 791
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13
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14 class E5TreeView(QTreeView):
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15 """
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16 Class implementing a tree view supporting removal of entries.
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17 """
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18 def keyPressEvent(self, evt):
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19 """
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20 Protected method implementing special key handling.
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21
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22 @param evt reference to the event (QKeyEvent)
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23 """
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24 if evt.key() in [Qt.Key_Delete, Qt.Key_Backspace] and \
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25 self.model() is not None:
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26 self.removeSelected()
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27 evt.setAccepted(True)
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28 else:
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29 QTreeView.keyPressEvent(self, evt)
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30
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31 def removeSelected(self):
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Detlev Offenbach <detlev@die-offenbachs.de>
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32 """
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33 Public method to remove the selected entries.
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Detlev Offenbach <detlev@die-offenbachs.de>
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34 """
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Detlev Offenbach <detlev@die-offenbachs.de>
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35 if self.model() is None or \
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36 self.selectionModel() is None or \
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37 not self.selectionModel().hasSelection():
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38 # no models available or nothing selected
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39 return
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40
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41 selectedRows = self.selectionModel().selectedRows()
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42 for idx in reversed(sorted(selectedRows)):
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43 self.model().removeRow(idx.row(), idx.parent())
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44
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45 def removeAll(self):
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Detlev Offenbach <detlev@die-offenbachs.de>
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46 """
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Detlev Offenbach <detlev@die-offenbachs.de>
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47 Public method to clear the view.
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Detlev Offenbach <detlev@die-offenbachs.de>
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48 """
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Detlev Offenbach <detlev@die-offenbachs.de>
parents:
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49 if self.model() is not None:
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Detlev Offenbach <detlev@die-offenbachs.de>
parents: 791
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50 self.model().removeRows(0, self.model().rowCount(self.rootIndex()),
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51 self.rootIndex())

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