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#
# This file is part of the LibreOffice project.
#
# This Source Code Form is subject to the terms of the Mozilla Public
# License, v. 2.0. If a copy of the MPL was not distributed with this
# file, You can obtain one at http://mozilla.org/MPL/2.0/.
#
# This file incorporates work covered by the following license notice:
#
# Licensed to the Apache Software Foundation (ASF) under one or more
# contributor license agreements. See the NOTICE file distributed
# with this work for additional information regarding copyright
# ownership. The ASF licenses this file to you under the Apache
# License, Version 2.0 (the "License"); you may not use this file
# except in compliance with the License. You may obtain a copy of
# the License at http://www.apache.org/licenses/LICENSE-2.0 .
#
from abc import abstractmethod
from .ListDataListener import ListDataListener
class ListModelBinder(ListDataListener):
def __init__(self, unoListBox, listModel_):
self.unoList = unoListBox
self.unoListModel = unoListBox.Model
self.listModel = None
self.setListModel(listModel_)
self.renderer = self.Renderer()
def setListModel(self, newListModel):
if self.listModel is not None:
self.listModel.removeListDataListener(self)
self.listModel = newListModel
self.listModel.addListDataListener(self)
def contentsChanged(self, lde):
selected = self.getSelectedItems()
i = lde.getIndex0()
while i <= lde.getIndex1():
self.update(i)
i += 1
self.setSelectedItems(selected)
def update(self, i):
self.remove(i, i)
self.insert(i)
def remove(self, i1, i2):
self.unoList.removeItems(i1, i2 - i1 + 1)
def insert(self, i):
self.unoList.addItem(self.getItemString(i), i)
def getItemString(self, i):
return self.getItemString1(self.listModel.getElementAt(i))
def getItemString1(self, item):
return self.renderer.render(item)
def getSelectedItems(self):
return self.unoListModel.SelectedItems
def setSelectedItems(self, selected):
self.unoListModel.SelectedItems = selected;
def intervalAdded(self, lde):
i = lde.getIndex0()
while (i <= lde.getIndex1()):
self.insert(i)
i += 1
def intervalRemoved(self, lde):
self.remove(lde.getIndex0(), lde.getIndex1())
class Renderer:
@abstractmethod
def render(self, item):
if (item is None):
return ""
elif (isinstance(item, int)):
return str(item)
else:
return item.toString()
@classmethod
def fillList(self, xlist, items, renderer):
xlist.Model.StringItemList = ()
for index,item in enumerate(items):
if item is not None:
if renderer is not None:
aux = renderer.render(index)
else:
aux = item.toString()
xlist.addItem(aux, index)
@classmethod
def fillComboBox(self, xComboBox, items, renderer):
xComboBox.Model.StringItemList = ()
for index,item in enumerate(items):
if item is not None:
if renderer is not None:
aux = renderer.render(index)
else:
aux = item.toString()
xComboBox.addItem(aux, index)
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