Mercurial Repositories > eric / file comparison
comparison: Helpviewer/UserAgent/UserAgentMenu.py
Helpviewer/UserAgent/UserAgentMenu.py
- changeset 383
- 286de4e5179c
- child 454
- d28d558f7484
equal
deleted
inserted
replaced
| 382:29f660c4ad3e | 383:286de4e5179c |
|---|---|
| 1 # -*- coding: utf-8 -*- | |
| 2 | |
| 3 # Copyright (c) 2010 Detlev Offenbach <detlev@die-offenbachs.de> | |
| 4 # | |
| 5 | |
| 6 """ | |
| 7 Module implementing a menu to select the user agent string. | |
| 8 """ | |
| 9 | |
| 10 from PyQt4.QtCore import QByteArray, QXmlStreamReader | |
| 11 from PyQt4.QtGui import QMenu, QAction, QActionGroup, QMessageBox, QInputDialog, \ | |
| 12 QLineEdit | |
| 13 | |
| 14 from .UserAgentDefaults import UserAgentDefaults | |
| 15 | |
| 16 from Helpviewer.HelpBrowserWV import HelpWebPage | |
| 17 | |
| 18 class UserAgentMenu(QMenu): | |
| 19 """ | |
| 20 Class implementing a menu to select the user agent string. | |
| 21 """ | |
| 22 def __init__(self, title, parent = None): | |
| 23 """ | |
| 24 Constructor | |
| 25 | |
| 26 @param title title of the menu (string) | |
| 27 @param parent reference to the parent widget (QWidget) | |
| 28 """ | |
| 29 QMenu.__init__(self, title, parent) | |
| 30 | |
| 31 self.aboutToShow.connect(self.__populateMenu) | |
| 32 | |
| 33 def __populateMenu(self): | |
| 34 """ | |
| 35 Private slot to populate the menu. | |
| 36 """ | |
| 37 self.aboutToShow.disconnect(self.__populateMenu) | |
| 38 | |
| 39 # add default action | |
| 40 self.__defaultUserAgent = QAction(self) | |
| 41 self.__defaultUserAgent.setText(self.trUtf8("Default")) | |
| 42 self.__defaultUserAgent.setCheckable(True) | |
| 43 self.__defaultUserAgent.triggered.connect(self.__switchToDefaultUserAgent) | |
| 44 self.__defaultUserAgent.setChecked(HelpWebPage().userAgent() == "") | |
| 45 self.addAction(self.__defaultUserAgent) | |
| 46 | |
| 47 # add default extra user agents | |
| 48 self.__addDefaultActions() | |
| 49 | |
| 50 # add other action | |
| 51 self.addSeparator() | |
| 52 self.__otherUserAgent = QAction(self) | |
| 53 self.__otherUserAgent.setText(self.trUtf8("Other...")) | |
| 54 self.__otherUserAgent.setCheckable(True) | |
| 55 self.__otherUserAgent.triggered.connect(self.__switchToOtherUserAgent) | |
| 56 self.addAction(self.__otherUserAgent) | |
| 57 | |
| 58 usingCustomUserAgent = True | |
| 59 actionGroup = QActionGroup(self) | |
| 60 for act in self.actions(): | |
| 61 actionGroup.addAction(act) | |
| 62 if act.isChecked(): | |
| 63 usingCustomUserAgent = False | |
| 64 self.__otherUserAgent.setChecked(usingCustomUserAgent) | |
| 65 | |
| 66 def __switchToDefaultUserAgent(self): | |
| 67 """ | |
| 68 Private slot to set the default user agent. | |
| 69 """ | |
| 70 HelpWebPage().setUserAgent("") | |
| 71 | |
| 72 def __switchToOtherUserAgent(self): | |
| 73 """ | |
| 74 Private slot to set a custom user agent string. | |
| 75 """ | |
| 76 userAgent, ok = QInputDialog.getText( | |
| 77 self, | |
| 78 self.trUtf8("Custom user agent"), | |
| 79 self.trUtf8("User agent:"), | |
| 80 QLineEdit.Normal, | |
| 81 HelpWebPage().userAgent(resolveEmpty = True)) | |
| 82 if ok: | |
| 83 HelpWebPage().setUserAgent(userAgent) | |
| 84 | |
| 85 def __changeUserAgent(self): | |
| 86 """ | |
| 87 Private slot to change the user agent. | |
| 88 """ | |
| 89 act = self.sender() | |
| 90 HelpWebPage().setUserAgent(act.data()) | |
| 91 | |
| 92 def __addDefaultActions(self): | |
| 93 """ | |
| 94 Private slot to add the default user agent entries. | |
| 95 """ | |
| 96 defaultUserAgents = QByteArray(UserAgentDefaults) | |
| 97 | |
| 98 currentUserAgentString = HelpWebPage().userAgent() | |
| 99 xml = QXmlStreamReader(defaultUserAgents) | |
| 100 while not xml.atEnd(): | |
| 101 xml.readNext() | |
| 102 if xml.isStartElement() and xml.name() == "separator": | |
| 103 self.addSeparator() | |
| 104 continue | |
| 105 | |
| 106 if xml.isStartElement() and xml.name() == "useragent": | |
| 107 attributes = xml.attributes() | |
| 108 title = attributes.value("description") | |
| 109 userAgent = attributes.value("useragent") | |
| 110 | |
| 111 act = QAction(self) | |
| 112 act.setText(title) | |
| 113 act.setData(userAgent) | |
| 114 act.setToolTip(userAgent) | |
| 115 act.setCheckable(True) | |
| 116 act.setChecked(userAgent == currentUserAgentString) | |
| 117 act.triggered.connect(self.__changeUserAgent) | |
| 118 self.addAction(act) | |
| 119 | |
| 120 if xml.hasError(): | |
| 121 QMessageBox.critical(None, | |
| 122 self.trUtf8("Parsing default user agents"), | |
| 123 self.trUtf8("""<p>Error parsing default user agents.</p><p>{0}</p>""")\ | |
| 124 .format(xml.errorString())) | |
| 125 |
