Mercurial Repositories > eric / file comparison
comparison: Helpviewer/CookieJar/CookieExceptionsModel.py
Helpviewer/CookieJar/CookieExceptionsModel.py
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| 1 # -*- coding: utf-8 -*- | |
| 2 | |
| 3 # Copyright (c) 2009 Detlev Offenbach <detlev@die-offenbachs.de> | |
| 4 # | |
| 5 | |
| 6 """ | |
| 7 Module implementing the cookie exceptions model. | |
| 8 """ | |
| 9 | |
| 10 from PyQt4.QtCore import * | |
| 11 from PyQt4.QtGui import * | |
| 12 | |
| 13 from CookieJar import CookieJar | |
| 14 | |
| 15 class CookieExceptionsModel(QAbstractTableModel): | |
| 16 """ | |
| 17 Class implementing the cookie exceptions model. | |
| 18 """ | |
| 19 def __init__(self, cookieJar, parent = None): | |
| 20 """ | |
| 21 Constructor | |
| 22 | |
| 23 @param cookieJar reference to the cookie jar (CookieJar) | |
| 24 @param parent reference to the parent object (QObject) | |
| 25 """ | |
| 26 QAbstractTableModel.__init__(self, parent) | |
| 27 | |
| 28 self.__cookieJar = cookieJar | |
| 29 self.__allowedCookies = self.__cookieJar.allowedCookies() | |
| 30 self.__blockedCookies = self.__cookieJar.blockedCookies() | |
| 31 self.__sessionCookies = self.__cookieJar.allowForSessionCookies() | |
| 32 | |
| 33 self.__headers = [ | |
| 34 self.trUtf8("Website"), | |
| 35 self.trUtf8("Status"), | |
| 36 ] | |
| 37 | |
| 38 def headerData(self, section, orientation, role): | |
| 39 """ | |
| 40 Public method to get header data from the model. | |
| 41 | |
| 42 @param section section number (integer) | |
| 43 @param orientation orientation (Qt.Orientation) | |
| 44 @param role role of the data to retrieve (integer) | |
| 45 @return requested data | |
| 46 """ | |
| 47 if role == Qt.SizeHintRole: | |
| 48 fm = QFontMetrics(QFont()) | |
| 49 height = fm.height() + fm.height() / 3 | |
| 50 width = \ | |
| 51 fm.width(self.headerData(section, orientation, Qt.DisplayRole).toString()) | |
| 52 return QVariant(QSize(width, height)) | |
| 53 | |
| 54 if orientation == Qt.Horizontal and role == Qt.DisplayRole: | |
| 55 try: | |
| 56 return QVariant(self.__headers[section]) | |
| 57 except IndexError: | |
| 58 return QVariant() | |
| 59 | |
| 60 return QAbstractTableModel.headerData(self, section, orientation, role) | |
| 61 | |
| 62 def data(self, index, role): | |
| 63 """ | |
| 64 Public method to get data from the model. | |
| 65 | |
| 66 @param index index to get data for (QModelIndex) | |
| 67 @param role role of the data to retrieve (integer) | |
| 68 @return requested data | |
| 69 """ | |
| 70 if index.row() < 0 or index.row() >= self.rowCount(): | |
| 71 return QVariant() | |
| 72 | |
| 73 if role in (Qt.DisplayRole, Qt.EditRole): | |
| 74 row = index.row() | |
| 75 if row < len(self.__allowedCookies): | |
| 76 if index.column() == 0: | |
| 77 return QVariant(self.__allowedCookies[row]) | |
| 78 elif index.column() == 1: | |
| 79 return QVariant(self.trUtf8("Allow")) | |
| 80 else: | |
| 81 return QVariant() | |
| 82 | |
| 83 row -= len(self.__allowedCookies) | |
| 84 if row < len(self.__blockedCookies): | |
| 85 if index.column() == 0: | |
| 86 return QVariant(self.__blockedCookies[row]) | |
| 87 elif index.column() == 1: | |
| 88 return QVariant(self.trUtf8("Block")) | |
| 89 else: | |
| 90 return QVariant() | |
| 91 | |
| 92 row -= len(self.__blockedCookies) | |
| 93 if row < len(self.__sessionCookies): | |
| 94 if index.column() == 0: | |
| 95 return QVariant(self.__sessionCookies[row]) | |
| 96 elif index.column() == 1: | |
| 97 return QVariant(self.trUtf8("Allow For Session")) | |
| 98 else: | |
| 99 return QVariant() | |
| 100 | |
| 101 return QVariant() | |
| 102 | |
| 103 return QVariant() | |
| 104 | |
| 105 def columnCount(self, parent = QModelIndex()): | |
| 106 """ | |
| 107 Public method to get the number of columns of the model. | |
| 108 | |
| 109 @param parent parent index (QModelIndex) | |
| 110 @return number of columns (integer) | |
| 111 """ | |
| 112 if parent.isValid(): | |
| 113 return 0 | |
| 114 else: | |
| 115 return len(self.__headers) | |
| 116 | |
| 117 def rowCount(self, parent = QModelIndex()): | |
| 118 """ | |
| 119 Public method to get the number of rows of the model. | |
| 120 | |
| 121 @param parent parent index (QModelIndex) | |
| 122 @return number of columns (integer) | |
| 123 """ | |
| 124 if parent.isValid() or self.__cookieJar is None: | |
| 125 return 0 | |
| 126 else: | |
| 127 return len(self.__allowedCookies) + \ | |
| 128 len(self.__blockedCookies) + \ | |
| 129 len(self.__sessionCookies) | |
| 130 | |
| 131 def removeRows(self, row, count, parent = QModelIndex()): | |
| 132 """ | |
| 133 Public method to remove entries from the model. | |
| 134 | |
| 135 @param row start row (integer) | |
| 136 @param count number of rows to remove (integer) | |
| 137 @param parent parent index (QModelIndex) | |
| 138 @return flag indicating success (boolean) | |
| 139 """ | |
| 140 if parent.isValid() or self.__cookieJar is None: | |
| 141 return False | |
| 142 | |
| 143 lastRow = row + count - 1 | |
| 144 self.beginRemoveRows(parent, row, lastRow) | |
| 145 for i in range(lastRow, row - 1, -1): | |
| 146 rowToRemove = i | |
| 147 | |
| 148 if rowToRemove < len(self.__allowedCookies): | |
| 149 del self.__allowedCookies[rowToRemove] | |
| 150 continue | |
| 151 | |
| 152 rowToRemove -= len(self.__allowedCookies) | |
| 153 if rowToRemove < len(self.__blockedCookies): | |
| 154 del self.__blockedCookies[rowToRemove] | |
| 155 continue | |
| 156 | |
| 157 rowToRemove -= len(self.__blockedCookies) | |
| 158 if rowToRemove < len(self.__sessionCookies): | |
| 159 del self.__sessionCookies[rowToRemove] | |
| 160 continue | |
| 161 | |
| 162 self.__cookieJar.setAllowedCookies(self.__allowedCookies) | |
| 163 self.__cookieJar.setBlockedCookies(self.__blockedCookies) | |
| 164 self.__cookieJar.setAllowForSessionCookies(self.__sessionCookies) | |
| 165 self.endRemoveRows() | |
| 166 | |
| 167 return True | |
| 168 | |
| 169 def addRule(self, host, rule): | |
| 170 """ | |
| 171 Public method to add an exception rule. | |
| 172 | |
| 173 @param host name of the host to add a rule for (string) | |
| 174 @param rule type of rule to add (CookieJar.Allow, CookieJar.Block or | |
| 175 CookieJar.AllowForSession) | |
| 176 """ | |
| 177 if not host: | |
| 178 return | |
| 179 | |
| 180 if rule == CookieJar.Allow: | |
| 181 self.__addHost(host, | |
| 182 self.__allowedCookies, self.__blockedCookies, self.__sessionCookies) | |
| 183 return | |
| 184 elif rule == CookieJar.Block: | |
| 185 self.__addHost(host, | |
| 186 self.__blockedCookies, self.__allowedCookies, self.__sessionCookies) | |
| 187 return | |
| 188 elif rule == CookieJar.AllowForSession: | |
| 189 self.__addHost(host, | |
| 190 self.__sessionCookies, self.__allowedCookies, self.__blockedCookies) | |
| 191 return | |
| 192 | |
| 193 def __addHost(self, host, addList, removeList1, removeList2): | |
| 194 """ | |
| 195 Private method to add a host to an exception list. | |
| 196 | |
| 197 @param host name of the host to add (string) | |
| 198 @param addList reference to the list to add it to (list of strings) | |
| 199 @param removeList1 reference to first list to remove it from (list of strings) | |
| 200 @param removeList2 reference to second list to remove it from (list of strings) | |
| 201 """ | |
| 202 if host not in addList: | |
| 203 addList.append(host) | |
| 204 if host in removeList1: | |
| 205 removeList1.remove(host) | |
| 206 if host in removeList2: | |
| 207 removeList2.remove(host) | |
| 208 | |
| 209 # Avoid to have similar rules (with or without leading dot) | |
| 210 # e.g. python-projects.org and .python-projects.org | |
| 211 if host.startswith("."): | |
| 212 otherRule = host[1:] | |
| 213 else: | |
| 214 otherRule = '.' + host | |
| 215 if otherRule in addList: | |
| 216 addList.removeOne(otherRule) | |
| 217 if otherRule in removeList1: | |
| 218 removeList1.remove(otherRule) | |
| 219 if otherRule in removeList2: | |
| 220 removeList2.remove(otherRule) | |
| 221 | |
| 222 self.reset() |
