diff -r f99d60d6b59b -r 2602857055c5 eric6/E5Gui/E5TreeView.py
--- /dev/null Thu Jan 01 00:00:00 1970 +0000
+++ b/eric6/E5Gui/E5TreeView.py Sun Apr 14 15:09:21 2019 +0200
@@ -0,0 +1,53 @@
+# -*- coding: utf-8 -*-
+
+# Copyright (c) 2009 - 2019 Detlev Offenbach <detlev@die-offenbachs.de>
+#
+
+"""
+Module implementing specialized tree views.
+"""
+
+from __future__ import unicode_literals
+
+from PyQt5.QtCore import Qt
+from PyQt5.QtWidgets import QTreeView
+
+
+class E5TreeView(QTreeView):
+ """
+ Class implementing a tree view supporting removal of entries.
+ """
+ def keyPressEvent(self, evt):
+ """
+ Protected method implementing special key handling.
+
+ @param evt reference to the event (QKeyEvent)
+ """
+ if evt.key() in [Qt.Key_Delete, Qt.Key_Backspace] and \
+ self.model() is not None:
+ self.removeSelected()
+ evt.setAccepted(True)
+ else:
+ super(E5TreeView, self).keyPressEvent(evt)
+
+ def removeSelected(self):
+ """
+ Public method to remove the selected entries.
+ """
+ if self.model() is None or \
+ self.selectionModel() is None or \
+ not self.selectionModel().hasSelection():
+ # no models available or nothing selected
+ return
+
+ selectedRows = self.selectionModel().selectedRows()
+ for idx in reversed(sorted(selectedRows)):
+ self.model().removeRow(idx.row(), idx.parent())
+
+ def removeAll(self):
+ """
+ Public method to clear the view.
+ """
+ if self.model() is not None:
+ self.model().removeRows(0, self.model().rowCount(self.rootIndex()),
+ self.rootIndex())
