Mercurial Repositories > eric / file comparison
comparison: eric6/Helpviewer/UserAgent/UserAgentModel.py
eric6/Helpviewer/UserAgent/UserAgentModel.py
- changeset 6942
- 2602857055c5
- parent 6645
- ad476851d7e0
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| 6941:f99d60d6b59b | 6942:2602857055c5 |
|---|---|
| 1 # -*- coding: utf-8 -*- | |
| 2 | |
| 3 # Copyright (c) 2012 - 2019 Detlev Offenbach <detlev@die-offenbachs.de> | |
| 4 # | |
| 5 | |
| 6 """ | |
| 7 Module implementing a model for user agent management. | |
| 8 """ | |
| 9 | |
| 10 from __future__ import unicode_literals | |
| 11 | |
| 12 from PyQt5.QtCore import Qt, QModelIndex, QAbstractTableModel | |
| 13 | |
| 14 | |
| 15 class UserAgentModel(QAbstractTableModel): | |
| 16 """ | |
| 17 Class implementing a model for user agent management. | |
| 18 """ | |
| 19 def __init__(self, manager, parent=None): | |
| 20 """ | |
| 21 Constructor | |
| 22 | |
| 23 @param manager reference to the user agent manager (UserAgentManager) | |
| 24 @param parent reference to the parent object (QObject) | |
| 25 """ | |
| 26 super(UserAgentModel, self).__init__(parent) | |
| 27 | |
| 28 self.__manager = manager | |
| 29 self.__manager.changed.connect(self.__userAgentsChanged) | |
| 30 | |
| 31 self.__headers = [ | |
| 32 self.tr("Host"), | |
| 33 self.tr("User Agent String"), | |
| 34 ] | |
| 35 | |
| 36 def __userAgentsChanged(self): | |
| 37 """ | |
| 38 Private slot handling a change of the registered user agent strings. | |
| 39 """ | |
| 40 self.beginResetModel() | |
| 41 self.endResetModel() | |
| 42 | |
| 43 def removeRows(self, row, count, parent=None): | |
| 44 """ | |
| 45 Public method to remove entries from the model. | |
| 46 | |
| 47 @param row start row (integer) | |
| 48 @param count number of rows to remove (integer) | |
| 49 @param parent parent index (QModelIndex) | |
| 50 @return flag indicating success (boolean) | |
| 51 """ | |
| 52 if parent is None: | |
| 53 parent = QModelIndex() | |
| 54 | |
| 55 if parent.isValid(): | |
| 56 return False | |
| 57 | |
| 58 if count <= 0: | |
| 59 return False | |
| 60 | |
| 61 lastRow = row + count - 1 | |
| 62 | |
| 63 self.beginRemoveRows(parent, row, lastRow) | |
| 64 | |
| 65 hostsList = self.__manager.allHostNames() | |
| 66 for index in range(row, lastRow + 1): | |
| 67 self.__manager.removeUserAgent(hostsList[index]) | |
| 68 | |
| 69 # removeEngine emits changed() | |
| 70 #self.endRemoveRows() | |
| 71 | |
| 72 return True | |
| 73 | |
| 74 def rowCount(self, parent=None): | |
| 75 """ | |
| 76 Public method to get the number of rows of the model. | |
| 77 | |
| 78 @param parent parent index (QModelIndex) | |
| 79 @return number of rows (integer) | |
| 80 """ | |
| 81 if parent is None: | |
| 82 parent = QModelIndex() | |
| 83 | |
| 84 if parent.isValid(): | |
| 85 return 0 | |
| 86 else: | |
| 87 return self.__manager.hostsCount() | |
| 88 | |
| 89 def columnCount(self, parent=None): | |
| 90 """ | |
| 91 Public method to get the number of columns of the model. | |
| 92 | |
| 93 @param parent parent index (QModelIndex) (Unused) | |
| 94 @return number of columns (integer) | |
| 95 """ | |
| 96 return len(self.__headers) | |
| 97 | |
| 98 def data(self, index, role): | |
| 99 """ | |
| 100 Public method to get data from the model. | |
| 101 | |
| 102 @param index index to get data for (QModelIndex) | |
| 103 @param role role of the data to retrieve (integer) | |
| 104 @return requested data | |
| 105 """ | |
| 106 if index.row() >= self.__manager.hostsCount() or index.row() < 0: | |
| 107 return None | |
| 108 | |
| 109 host = self.__manager.allHostNames()[index.row()] | |
| 110 userAgent = self.__manager.userAgent(host) | |
| 111 | |
| 112 if userAgent is None: | |
| 113 return None | |
| 114 | |
| 115 if role == Qt.DisplayRole: | |
| 116 if index.column() == 0: | |
| 117 return host | |
| 118 elif index.column() == 1: | |
| 119 return userAgent | |
| 120 | |
| 121 return None | |
| 122 | |
| 123 def headerData(self, section, orientation, role=Qt.DisplayRole): | |
| 124 """ | |
| 125 Public method to get the header data. | |
| 126 | |
| 127 @param section section number (integer) | |
| 128 @param orientation header orientation (Qt.Orientation) | |
| 129 @param role data role (integer) | |
| 130 @return header data | |
| 131 """ | |
| 132 if orientation == Qt.Horizontal and role == Qt.DisplayRole: | |
| 133 try: | |
| 134 return self.__headers[section] | |
| 135 except IndexError: | |
| 136 pass | |
| 137 | |
| 138 return None |
