Helpviewer/OpenSearch/OpenSearchEngineAction.py

Thu, 10 Oct 2013 18:35:45 +0200

author
Detlev Offenbach <detlev@die-offenbachs.de>
date
Thu, 10 Oct 2013 18:35:45 +0200
changeset 3002
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child 3057
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child 3160
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permissions
-rw-r--r--

Continued to shorten the code lines to max. 79 characters.

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1 # -*- coding: utf-8 -*-
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2
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3 # Copyright (c) 2009 - 2013 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 a QAction subclass for open search.
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8 """
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9
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10 from PyQt4.QtCore import QUrl
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11 from PyQt4.QtGui import QPixmap, QIcon, QAction
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12
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13
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14 class OpenSearchEngineAction(QAction):
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15 """
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16 Class implementing a QAction subclass for open search.
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17 """
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18 def __init__(self, engine, parent=None):
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19 """
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20 Constructor
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21
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22 @param engine reference to the open search engine object
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23 (OpenSearchEngine)
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24 @param parent reference to the parent object (QObject)
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25 """
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26 super().__init__(parent)
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27
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28 self.__engine = engine
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29 if self.__engine.networkAccessManager() is None:
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30 import Helpviewer.HelpWindow
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31 self.__engine.setNetworkAccessManager(
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32 Helpviewer.HelpWindow.HelpWindow.networkAccessManager())
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33
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34 self.setText(engine.name())
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35 self.__imageChanged()
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36
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37 engine.imageChanged.connect(self.__imageChanged)
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38
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39 def __imageChanged(self):
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40 """
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41 Private slot handling a change of the associated image.
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42 """
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43 image = self.__engine.image()
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44 if image.isNull():
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45 import Helpviewer.HelpWindow
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46 self.setIcon(
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47 Helpviewer.HelpWindow.HelpWindow.icon(
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48 QUrl(self.__engine.imageUrl())))
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49 else:
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50 self.setIcon(QIcon(QPixmap.fromImage(image)))

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