+++ /dev/null
-/***************************************************************************
- * Copyright (C) 2005-09 by the Quassel Project *
- * devel@quassel-irc.org *
- * *
- * This program is free software; you can redistribute it and/or modify *
- * it under the terms of the GNU General Public License as published by *
- * the Free Software Foundation; either version 2 of the License, or *
- * (at your option) version 3. *
- * *
- * This program is distributed in the hope that it will be useful, *
- * but WITHOUT ANY WARRANTY; without even the implied warranty of *
- * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the *
- * GNU General Public License for more details. *
- * *
- * You should have received a copy of the GNU General Public License *
- * along with this program; if not, write to the *
- * Free Software Foundation, Inc., *
- * 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA. *
- ***************************************************************************/
-
-#include "modelpropertymapper.h"
-
-#include <QItemSelectionModel>
-#include <QDebug>
-
-ModelPropertyMapper::ModelPropertyMapper(QObject *parent)
- : QObject(parent),
- _model(0),
- _selectionModel(0)
-{
-}
-
-ModelPropertyMapper::~ModelPropertyMapper() {
-}
-
-void ModelPropertyMapper::setModel(QAbstractItemModel *model) {
- if(_model) {
- disconnect(_model, SIGNAL(dataChanged(QModelIndex, QModelIndex)),
- this, SLOT(dataChanged(QModelIndex, QModelIndex)));
- }
- _model = model;
- connect(_model, SIGNAL(dataChanged(QModelIndex, QModelIndex)),
- this, SLOT(dataChanged(QModelIndex, QModelIndex)));
- setSelectionModel(new QItemSelectionModel(model));
-}
-
-QAbstractItemModel *ModelPropertyMapper::model() const {
- return _model;
-}
-
-void ModelPropertyMapper::setSelectionModel(QItemSelectionModel *selectionModel) {
- if(selectionModel->model() != model()) {
- qWarning() << "cannot set itemSelectionModel" << selectionModel << "which uses different basemodel than" << model();
- return;
- }
- if(_selectionModel)
- disconnect(_selectionModel, 0, this, 0);
- _selectionModel = selectionModel;
- connect(_selectionModel, SIGNAL(currentRowChanged(QModelIndex, QModelIndex)),
- this, SLOT(setCurrentRow(QModelIndex, QModelIndex)));
- connect(_selectionModel, SIGNAL(currentChanged(QModelIndex, QModelIndex)),
- this, SLOT(setCurrentIndex(QModelIndex, QModelIndex)));
-
- setCurrentRow(selectionModel->currentIndex(), QModelIndex());
-}
-
-QItemSelectionModel *ModelPropertyMapper::selectionModel() const {
- return _selectionModel;
-}
-
-void ModelPropertyMapper::addMapping(int column, int role, QObject *target, const QByteArray &property) {
- Mapping mapping(column, role, target, property);
- if(!_mappings.contains(mapping))
- _mappings.append(mapping);
-}
-
-void ModelPropertyMapper::removeMapping(int column, int role, QObject *target, const QByteArray &property) {
- if(column == 0 && role == 0 && target == 0 && !property.isNull()) {
- _mappings.clear();
- return;
- }
-
- if(column == 0 && role == 0 && !property.isNull()) {
- QList<Mapping>::iterator iter = _mappings.begin();
- while(iter != _mappings.end()) {
- if((*iter).target == target)
- iter = _mappings.erase(iter);
- else
- iter++;
- }
- return;
- }
- _mappings.removeAll(Mapping(column, role, target, property));
-}
-
-void ModelPropertyMapper::setCurrentIndex(const QModelIndex ¤t, const QModelIndex &previous) {
- if(current.row() == previous.row() && current.parent() != previous.parent())
- setCurrentRow(current, previous);
-}
-
-void ModelPropertyMapper::setCurrentRow(const QModelIndex ¤t, const QModelIndex &previous) {
- Q_UNUSED(previous)
- foreach(Mapping mapping, _mappings) {
- QModelIndex index = current.sibling(current.row(), mapping.column);
- mapping.target->setProperty(mapping.property, index.data(mapping.role));
- }
-}
-
-void ModelPropertyMapper::dataChanged(const QModelIndex &topLeft, const QModelIndex &bottomRight) {
- QItemSelectionRange changedRange(topLeft, bottomRight);
- foreach(Mapping mapping, _mappings) {
- QModelIndex index = _selectionModel->currentIndex().sibling(_selectionModel->currentIndex().row(), mapping.column);
- if(changedRange.contains(index)) {
- mapping.target->setProperty(mapping.property, index.data(mapping.role));
- }
- }
-}
-
-void ModelPropertyMapper::targetDestroyed() {
- removeMapping(0, 0, sender(), QByteArray());
-}