Mercurial Repositories > eric / file comparison
comparison: E5Gui/E5ErrorMessage.py
E5Gui/E5ErrorMessage.py
- changeset 2683
- ef93fc7332a2
- child 2695
- 13c6301cbed3
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| 2681:e793289c4362 | 2683:ef93fc7332a2 |
|---|---|
| 1 # -*- coding: utf-8 -*- | |
| 2 | |
| 3 # Copyright (c) 2013 Detlev Offenbach <detlev@die-offenbachs.de> | |
| 4 # | |
| 5 | |
| 6 """ | |
| 7 Module implementing a specialized error message dialog. | |
| 8 """ | |
| 9 | |
| 10 from PyQt4.QtCore import qInstallMsgHandler, QCoreApplication, QtDebugMsg, \ | |
| 11 QtWarningMsg, QtCriticalMsg, QtFatalMsg, QThread, QMetaObject, Qt, Q_ARG | |
| 12 from PyQt4.QtGui import QErrorMessage, qApp | |
| 13 | |
| 14 import Utilities | |
| 15 | |
| 16 | |
| 17 __msgHandlerDialog = None | |
| 18 __origMsgHandler = None | |
| 19 | |
| 20 | |
| 21 class E5ErrorMessage(QErrorMessage): | |
| 22 """ | |
| 23 Class implementing a specialized error message dialog. | |
| 24 """ | |
| 25 def __init__(self, parent=None): | |
| 26 """ | |
| 27 Constructor | |
| 28 | |
| 29 @param parent reference to the parent widget (QWidget) | |
| 30 """ | |
| 31 super().__init__(parent) | |
| 32 | |
| 33 # TODO: make this list configurable by the user | |
| 34 self.__filters = [ | |
| 35 "QFont::", | |
| 36 "QCocoaMenu::removeMenuItem", | |
| 37 "QCocoaMenu::insertNative", | |
| 38 ",type id:" | |
| 39 ] | |
| 40 | |
| 41 def __filterMessage(self, message): | |
| 42 """ | |
| 43 Private method to filter messages. | |
| 44 | |
| 45 @param message message to be checked (string) | |
| 46 @return flag indicating that the message should be filtered out (boolean) | |
| 47 """ | |
| 48 for filter in self.__filters: | |
| 49 if filter in message: | |
| 50 return True | |
| 51 | |
| 52 return False | |
| 53 | |
| 54 def showMessage(self, message, msgType=""): | |
| 55 """ | |
| 56 Public method to show a message. | |
| 57 | |
| 58 @param message error message to be shown (string) | |
| 59 @param msgType type of the error message (string) | |
| 60 """ | |
| 61 if not self.__filterMessage(message): | |
| 62 if msgType: | |
| 63 super().showMessage(message, msgType) | |
| 64 else: | |
| 65 super().showMessage(message) | |
| 66 | |
| 67 | |
| 68 def messageHandler(msgType, message): | |
| 69 """ | |
| 70 Module function handling messages. | |
| 71 | |
| 72 @param msgType type of the message (integer, QtMsgType) | |
| 73 @param message message to be shown (bytes) | |
| 74 """ | |
| 75 if __msgHandlerDialog: | |
| 76 if msgType == QtDebugMsg: | |
| 77 messageType = QCoreApplication.translate("E5ErrorMessage", "Debug Message:") | |
| 78 elif msgType == QtWarningMsg: | |
| 79 messageType = QCoreApplication.translate("E5ErrorMessage", "Warning:") | |
| 80 elif msgType == QtCriticalMsg: | |
| 81 messageType = QCoreApplication.translate("E5ErrorMessage", "Critical:") | |
| 82 elif msgType == QtFatalMsg: | |
| 83 messageType = QCoreApplication.translate("E5ErrorMessage", "Fatal Error:") | |
| 84 msg = "<p><b>{0}</b></p><p>{1}</p>".format( | |
| 85 messageType, Utilities.html_uencode(message.decode())) | |
| 86 if QThread.currentThread() == qApp.thread(): | |
| 87 __msgHandlerDialog.showMessage(msg) | |
| 88 else: | |
| 89 QMetaObject.invokeMethod( | |
| 90 __msgHandlerDialog, | |
| 91 "showMessage", | |
| 92 Qt.QueuedConnection, | |
| 93 Q_ARG(str, msg)) | |
| 94 elif __origMsgHandler: | |
| 95 __origMsgHandler(msgType, message) | |
| 96 else: | |
| 97 if msgType == QtDebugMsg: | |
| 98 messageType = QCoreApplication.translate("E5ErrorMessage", "Debug Message") | |
| 99 elif msgType == QtWarningMsg: | |
| 100 messageType = QCoreApplication.translate("E5ErrorMessage", "Warning") | |
| 101 elif msgType == QtCriticalMsg: | |
| 102 messageType = QCoreApplication.translate("E5ErrorMessage", "Critical") | |
| 103 elif msgType == QtFatalMsg: | |
| 104 messageType = QCoreApplication.translate("E5ErrorMessage", "Fatal Error") | |
| 105 print("{0}: {1}".format(messageType, message.decode())) | |
| 106 | |
| 107 | |
| 108 def qtHandler(): | |
| 109 """ | |
| 110 Module function to install an E5ErrorMessage dialog as the global | |
| 111 message handler. | |
| 112 """ | |
| 113 global __msgHandlerDialog, __origMsgHandler | |
| 114 | |
| 115 if __msgHandlerDialog is None: | |
| 116 # Install an E5ErrorMessage dialog as the global message handler. | |
| 117 __msgHandlerDialog = E5ErrorMessage() | |
| 118 __origMsgHandler = qInstallMsgHandler(messageHandler) | |
| 119 | |
| 120 return __msgHandlerDialog |
