--- /dev/null Thu Jan 01 00:00:00 1970 +0000
+++ b/eric6/WebBrowser/ZoomManager/ZoomValuesModel.py Sun Apr 14 15:09:21 2019 +0200
@@ -0,0 +1,135 @@
+# -*- coding: utf-8 -*-
+
+# Copyright (c) 2015 - 2019 Detlev Offenbach <detlev@die-offenbachs.de>
+#
+
+"""
+Module implementing a model for zoom values management.
+"""
+
+from __future__ import unicode_literals
+
+from PyQt5.QtCore import Qt, QModelIndex, QAbstractTableModel
+
+
+class ZoomValuesModel(QAbstractTableModel):
+ """
+ Class implementing a model for zoom values management.
+ """
+ def __init__(self, manager, parent=None):
+ """
+ Constructor
+
+ @param manager reference to the zoom values manager (ZoomManager)
+ @param parent reference to the parent object (QObject)
+ """
+ super(ZoomValuesModel, self).__init__(parent)
+
+ self.__manager = manager
+ manager.changed.connect(self.__zoomValuesChanged)
+
+ self.__headers = [
+ self.tr("Website"),
+ self.tr("Zoom Value [%]"),
+ ]
+
+ def __zoomValuesChanged(self):
+ """
+ Private slot handling a change of the registered zoom values.
+ """
+ self.beginResetModel()
+ self.endResetModel()
+
+ def removeRows(self, row, count, parent=None):
+ """
+ Public method to remove entries from the model.
+
+ @param row start row (integer)
+ @param count number of rows to remove (integer)
+ @param parent parent index (QModelIndex)
+ @return flag indicating success (boolean)
+ """
+ if parent is None:
+ parent = QModelIndex()
+
+ if parent.isValid():
+ return False
+
+ if count <= 0:
+ return False
+
+ lastRow = row + count - 1
+
+ self.beginRemoveRows(parent, row, lastRow)
+
+ siteList = self.__manager.allSiteNames()
+ for index in range(row, lastRow + 1):
+ self.__manager.removeZoomValue(siteList[index])
+
+ return True
+
+ def rowCount(self, parent=None):
+ """
+ Public method to get the number of rows of the model.
+
+ @param parent parent index (QModelIndex)
+ @return number of rows (integer)
+ """
+ if parent is None:
+ parent = QModelIndex()
+
+ if parent.isValid():
+ return 0
+ else:
+ return self.__manager.sitesCount()
+
+ def columnCount(self, parent=None):
+ """
+ Public method to get the number of columns of the model.
+
+ @param parent parent index (QModelIndex) (Unused)
+ @return number of columns (integer)
+ """
+ return len(self.__headers)
+
+ def data(self, index, role):
+ """
+ Public method to get data from the model.
+
+ @param index index to get data for (QModelIndex)
+ @param role role of the data to retrieve (integer)
+ @return requested data
+ """
+ if index.row() >= self.__manager.sitesCount() or index.row() < 0:
+ return None
+
+ site = self.__manager.allSiteNames()[index.row()]
+ siteInfo = self.__manager.siteInfo(site)
+
+ if siteInfo is None:
+ return None
+
+ if role == Qt.DisplayRole:
+ if index.column() == 0:
+ return site
+ elif index.column() == 1:
+ return siteInfo
+
+ return None
+
+ def headerData(self, section, orientation, role=Qt.DisplayRole):
+ """
+ Public method to get the header data.
+
+ @param section section number (integer)
+ @param orientation header orientation (Qt.Orientation)
+ @param role data role (integer)
+ @return header data
+ """
+ if orientation == Qt.Horizontal and role == Qt.DisplayRole:
+ try:
+ return self.__headers[section]
+ except IndexError:
+ pass
+
+ return None
