Mercurial Repositories > eric / file comparison
comparison: E5Gui/E5ErrorMessage.py
E5Gui/E5ErrorMessage.py
- branch
- Py2 comp.
- changeset 2791
- a9577f248f04
- parent 2770
- fd5ee85f0450
- child 3057
- 10516539f238
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| 2790:6686a3326df8 | 2791:a9577f248f04 |
|---|---|
| 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 __future__ import unicode_literals # __IGNORE_WARNING__ | |
| 11 | |
| 12 from PyQt4.QtCore import qInstallMsgHandler, QCoreApplication, QtDebugMsg, \ | |
| 13 QtWarningMsg, QtCriticalMsg, QtFatalMsg, QThread, QMetaObject, Qt, Q_ARG, \ | |
| 14 QSettings | |
| 15 from PyQt4.QtGui import QErrorMessage, qApp, QDialog | |
| 16 | |
| 17 import Globals | |
| 18 import Utilities | |
| 19 | |
| 20 | |
| 21 __msgHandlerDialog = None | |
| 22 __origMsgHandler = None | |
| 23 | |
| 24 | |
| 25 class E5ErrorMessage(QErrorMessage): | |
| 26 """ | |
| 27 Class implementing a specialized error message dialog. | |
| 28 """ | |
| 29 def __init__(self, parent=None): | |
| 30 """ | |
| 31 Constructor | |
| 32 | |
| 33 @param parent reference to the parent widget (QWidget) | |
| 34 """ | |
| 35 super(E5ErrorMessage, self).__init__(parent) | |
| 36 | |
| 37 self.settings = QSettings(QSettings.IniFormat, | |
| 38 QSettings.UserScope, | |
| 39 Globals.settingsNameOrganization, | |
| 40 "eric5messagefilters") | |
| 41 | |
| 42 self.__defaultFilters = [ | |
| 43 "QFont::", | |
| 44 "QCocoaMenu::removeMenuItem", | |
| 45 "QCocoaMenu::insertNative", | |
| 46 ",type id:" | |
| 47 ] | |
| 48 | |
| 49 def __filterMessage(self, message): | |
| 50 """ | |
| 51 Private method to filter messages. | |
| 52 | |
| 53 @param message message to be checked (string) | |
| 54 @return flag indicating that the message should be filtered out (boolean) | |
| 55 """ | |
| 56 for filter in self.settings.value("MessageFilters", self.__defaultFilters): | |
| 57 if filter in message: | |
| 58 return True | |
| 59 | |
| 60 return False | |
| 61 | |
| 62 def showMessage(self, message, msgType=""): | |
| 63 """ | |
| 64 Public method to show a message. | |
| 65 | |
| 66 @param message error message to be shown (string) | |
| 67 @param msgType type of the error message (string) | |
| 68 """ | |
| 69 if not self.__filterMessage(message): | |
| 70 if msgType: | |
| 71 super(E5ErrorMessage, self).showMessage(message, msgType) | |
| 72 else: | |
| 73 super(E5ErrorMessage, self).showMessage(message) | |
| 74 | |
| 75 def editMessageFilters(self): | |
| 76 """ | |
| 77 Public method to edit the list of message filters. | |
| 78 """ | |
| 79 from .E5ErrorMessageFilterDialog import E5ErrorMessageFilterDialog | |
| 80 dlg = E5ErrorMessageFilterDialog( | |
| 81 self.settings.value("MessageFilters", self.__defaultFilters)) | |
| 82 if dlg.exec_() == QDialog.Accepted: | |
| 83 filters = dlg.getFilters() | |
| 84 self.settings.setValue("MessageFilters", filters) | |
| 85 | |
| 86 | |
| 87 def messageHandler(msgType, message): | |
| 88 """ | |
| 89 Module function handling messages. | |
| 90 | |
| 91 @param msgType type of the message (integer, QtMsgType) | |
| 92 @param message message to be shown (bytes) | |
| 93 """ | |
| 94 if __msgHandlerDialog: | |
| 95 try: | |
| 96 if msgType == QtDebugMsg: | |
| 97 messageType = QCoreApplication.translate( | |
| 98 "E5ErrorMessage", "Debug Message:") | |
| 99 elif msgType == QtWarningMsg: | |
| 100 messageType = QCoreApplication.translate( | |
| 101 "E5ErrorMessage", "Warning:") | |
| 102 elif msgType == QtCriticalMsg: | |
| 103 messageType = QCoreApplication.translate( | |
| 104 "E5ErrorMessage", "Critical:") | |
| 105 elif msgType == QtFatalMsg: | |
| 106 messageType = QCoreApplication.translate( | |
| 107 "E5ErrorMessage", "Fatal Error:") | |
| 108 if isinstance(message, bytes): | |
| 109 message = message.decode() | |
| 110 message = message.replace("\r\n", "<br/>")\ | |
| 111 .replace("\n", "<br/>")\ | |
| 112 .replace("\r", "<br/>") | |
| 113 msg = "<p><b>{0}</b></p><p>{1}</p>".format( | |
| 114 messageType, Utilities.html_uencode(message)) | |
| 115 if QThread.currentThread() == qApp.thread(): | |
| 116 __msgHandlerDialog.showMessage(msg) | |
| 117 else: | |
| 118 QMetaObject.invokeMethod( | |
| 119 __msgHandlerDialog, | |
| 120 "showMessage", | |
| 121 Qt.QueuedConnection, | |
| 122 Q_ARG(str, msg)) | |
| 123 return | |
| 124 except RuntimeError: | |
| 125 pass | |
| 126 elif __origMsgHandler: | |
| 127 __origMsgHandler(msgType, message) | |
| 128 return | |
| 129 | |
| 130 if msgType == QtDebugMsg: | |
| 131 messageType = QCoreApplication.translate("E5ErrorMessage", "Debug Message") | |
| 132 elif msgType == QtWarningMsg: | |
| 133 messageType = QCoreApplication.translate("E5ErrorMessage", "Warning") | |
| 134 elif msgType == QtCriticalMsg: | |
| 135 messageType = QCoreApplication.translate("E5ErrorMessage", "Critical") | |
| 136 elif msgType == QtFatalMsg: | |
| 137 messageType = QCoreApplication.translate("E5ErrorMessage", "Fatal Error") | |
| 138 if isinstance(message, bytes): | |
| 139 message = message.decode() | |
| 140 print("{0}: {1}".format(messageType, message)) | |
| 141 | |
| 142 | |
| 143 def qtHandler(): | |
| 144 """ | |
| 145 Module function to install an E5ErrorMessage dialog as the global | |
| 146 message handler. | |
| 147 """ | |
| 148 global __msgHandlerDialog, __origMsgHandler | |
| 149 | |
| 150 if __msgHandlerDialog is None: | |
| 151 # Install an E5ErrorMessage dialog as the global message handler. | |
| 152 __msgHandlerDialog = E5ErrorMessage() | |
| 153 __origMsgHandler = qInstallMsgHandler(messageHandler) | |
| 154 | |
| 155 return __msgHandlerDialog | |
| 156 | |
| 157 | |
| 158 def editMessageFilters(): | |
| 159 """ | |
| 160 Module function to edit the list of message filters. | |
| 161 """ | |
| 162 if __msgHandlerDialog: | |
| 163 __msgHandlerDialog.editMessageFilters() | |
| 164 else: | |
| 165 print(QCoreApplication.translate("E5ErrorMessage", | |
| 166 "No message handler installed.")) | |
| 167 | |
| 168 | |
| 169 def messageHandlerInstalled(): | |
| 170 """ | |
| 171 Module function to check, if a message handler was installed. | |
| 172 | |
| 173 @return flag indicating an installed message handler (boolean) | |
| 174 """ | |
| 175 return __msgHandlerDialog is not None |
