diff -r 4e8b98454baa -r 800c432b34c8 eric7/WebBrowser/History/HistoryModel.py
--- /dev/null Thu Jan 01 00:00:00 1970 +0000
+++ b/eric7/WebBrowser/History/HistoryModel.py Sat May 15 18:45:04 2021 +0200
@@ -0,0 +1,188 @@
+# -*- coding: utf-8 -*-
+
+# Copyright (c) 2009 - 2021 Detlev Offenbach <detlev@die-offenbachs.de>
+#
+
+"""
+Module implementing the history model.
+"""
+
+import contextlib
+
+from PyQt5.QtCore import Qt, QAbstractTableModel, QModelIndex, QUrl
+
+import WebBrowser.WebBrowserWindow
+
+
+class HistoryModel(QAbstractTableModel):
+ """
+ Class implementing the history model.
+ """
+ DateRole = Qt.ItemDataRole.UserRole + 1
+ DateTimeRole = Qt.ItemDataRole.UserRole + 2
+ UrlRole = Qt.ItemDataRole.UserRole + 3
+ UrlStringRole = Qt.ItemDataRole.UserRole + 4
+ TitleRole = Qt.ItemDataRole.UserRole + 5
+ VisitCountRole = Qt.ItemDataRole.UserRole + 6
+ MaxRole = VisitCountRole
+
+ def __init__(self, historyManager, parent=None):
+ """
+ Constructor
+
+ @param historyManager reference to the history manager object
+ (HistoryManager)
+ @param parent reference to the parent object (QObject)
+ """
+ super().__init__(parent)
+
+ self.__historyManager = historyManager
+
+ self.__headers = [
+ self.tr("Title"),
+ self.tr("Address"),
+ self.tr("Visit Count")
+ ]
+
+ self.__historyManager.historyReset.connect(self.historyReset)
+ self.__historyManager.entryRemoved.connect(self.historyReset)
+ self.__historyManager.entryAdded.connect(self.entryAdded)
+ self.__historyManager.entryUpdated.connect(self.entryUpdated)
+
+ def historyReset(self):
+ """
+ Public slot to reset the model.
+ """
+ self.beginResetModel()
+ self.endResetModel()
+
+ def entryAdded(self):
+ """
+ Public slot to handle the addition of a history entry.
+ """
+ self.beginInsertRows(QModelIndex(), 0, 0)
+ self.endInsertRows()
+
+ def entryUpdated(self, row):
+ """
+ Public slot to handle the update of a history entry.
+
+ @param row row number of the updated entry (integer)
+ """
+ idx = self.index(row, 0)
+ self.dataChanged.emit(idx, idx)
+
+ def headerData(self, section, orientation,
+ role=Qt.ItemDataRole.DisplayRole):
+ """
+ Public method to get the header data.
+
+ @param section section number (integer)
+ @param orientation header orientation (Qt.Orientation)
+ @param role data role (Qt.ItemDataRole)
+ @return header data
+ """
+ if (
+ orientation == Qt.Orientation.Horizontal and
+ role == Qt.ItemDataRole.DisplayRole
+ ):
+ with contextlib.suppress(IndexError):
+ return self.__headers[section]
+ return QAbstractTableModel.headerData(self, section, orientation, role)
+
+ def data(self, index, role=Qt.ItemDataRole.DisplayRole):
+ """
+ Public method to get data from the model.
+
+ @param index index of history entry to get data for (QModelIndex)
+ @param role data role (integer)
+ @return history entry data
+ """
+ lst = self.__historyManager.history()
+ if index.row() < 0 or index.row() > len(lst):
+ return None
+
+ itm = lst[index.row()]
+ if role == self.DateTimeRole:
+ return itm.dateTime
+ elif role == self.DateRole:
+ return itm.dateTime.date()
+ elif role == self.UrlRole:
+ return QUrl(itm.url)
+ elif role == self.UrlStringRole:
+ return itm.url
+ elif role == self.TitleRole:
+ return itm.userTitle()
+ elif role == self.VisitCountRole:
+ return itm.visitCount
+ elif role in [Qt.ItemDataRole.DisplayRole, Qt.ItemDataRole.EditRole]:
+ if index.column() == 0:
+ return itm.userTitle()
+ elif index.column() == 1:
+ return itm.url
+ elif index.column() == 2:
+ return itm.visitCount
+ elif (
+ role == Qt.ItemDataRole.DecorationRole and
+ index.column() == 0
+ ):
+ return WebBrowser.WebBrowserWindow.WebBrowserWindow.icon(
+ QUrl(itm.url))
+
+ return None
+
+ def columnCount(self, parent=None):
+ """
+ Public method to get the number of columns.
+
+ @param parent index of parent (QModelIndex)
+ @return number of columns (integer)
+ """
+ if parent is None:
+ parent = QModelIndex()
+
+ if parent.isValid():
+ return 0
+ else:
+ return len(self.__headers)
+
+ def rowCount(self, parent=None):
+ """
+ Public method to determine the number of rows.
+
+ @param parent index of parent (QModelIndex)
+ @return number of rows (integer)
+ """
+ if parent is None:
+ parent = QModelIndex()
+
+ if parent.isValid():
+ return 0
+ else:
+ return len(self.__historyManager.history())
+
+ def removeRows(self, row, count, parent=None):
+ """
+ Public method to remove history entries from the model.
+
+ @param row row of the first history entry to remove (integer)
+ @param count number of history entries to remove (integer)
+ @param parent index of the parent entry (QModelIndex)
+ @return flag indicating successful removal (boolean)
+ """
+ if parent is None:
+ parent = QModelIndex()
+
+ if parent.isValid():
+ return False
+
+ lastRow = row + count - 1
+ self.beginRemoveRows(parent, row, lastRow)
+ lst = self.__historyManager.history()[:]
+ for index in range(lastRow, row - 1, -1):
+ del lst[index]
+ self.__historyManager.historyReset.disconnect(self.historyReset)
+ self.__historyManager.setHistory(lst)
+ self.__historyManager.historyReset.connect(self.historyReset)
+ self.endRemoveRows()
+ return True
