+/*
+** EmuFront
+** Copyright 2010 Mikko Keinänen
+**
+** This file is part of EmuFront.
+**
+**
+** EmuFront is free software: you can redistribute it and/or modify
+** it under the terms of the GNU General Public License version 2 as published by
+** the Free Software Foundation and appearing in the file gpl.txt included in the
+** packaging of this file.
+**
+** EmuFront 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 EmuFront. If not, see <http://www.gnu.org/licenses/>.
+*/
#include <QtGui>
#include <QSqlQueryModel>
#include "comboboxdelegate.h"
#include "emufrontquerymodel.h"
#include "emufrontobject.h"
-ComboBoxDelegate::ComboBoxDelegate(int viewColumn, QSqlQueryModel *model, int modelIdColumn, int modelDisplayColumn, QWidget *parent) :
- QStyledItemDelegate(parent), viewColumn(viewColumn), model(model), modelIdColumn(modelIdColumn), modelDisplayColumn(modelDisplayColumn)
+ComboBoxDelegate::ComboBoxDelegate(QSqlQueryModel *cbmodel, int cbmodelIdColumn, int cbmodelDisplayColumn, QWidget *parent) :
+ QStyledItemDelegate(parent), cbmodel(cbmodel), cbmodelIdColumn(cbmodelIdColumn), cbmodelDisplayColumn(cbmodelDisplayColumn)
{ }
void ComboBoxDelegate::paint(QPainter *painter, const QStyleOptionViewItem &option, const QModelIndex &index) const
{
- if (index.column() != viewColumn) {
- QStyledItemDelegate::paint(painter, option, index);
- return;
- }
-
// get the item id from the hosting view's model
int objid = index.model()->data(index, Qt::DisplayRole).toInt();
- // find matching object from QComboBox's model
- QModelIndex startInd = model->index(0, modelIdColumn);
- QModelIndexList indList = model->match(startInd, Qt::DisplayRole, objid);
-
+ // find a matching object from the editor's model
+ QModelIndex startInd = cbmodel->index(0, cbmodelIdColumn);
+ QModelIndexList indList = cbmodel->match(startInd, Qt::DisplayRole, objid);
+ // If an object was found in the editor's model create an index to the editor's model
QModelIndex ind = indList.empty() ?
QModelIndex() :
- model->index(startInd.row(), modelDisplayColumn);
+ cbmodel->index(indList.first().row(), cbmodelDisplayColumn);
+ // Get the name field of an object using the created index
QString txt = ind.isValid() ?
- model->data(ind).toString() : "";
+ cbmodel->data(ind).toString() : "";
+ // Render the name text
painter->save();
- //initStyleOption(&option, index);
painter->drawText(option.rect, txt);
painter->restore();
}
QWidget* ComboBoxDelegate::createEditor(QWidget *parent, const QStyleOptionViewItem &option, const QModelIndex &index) const
{
- if (index.column() != viewColumn) {
- return QStyledItemDelegate::createEditor(parent, option, index);
- }
-
QComboBox *editor = new QComboBox(parent);
editor->setEditable(false);
- editor->setModel(model);
- connect(editor, SIGNAL(editingFinished()), this, SLOT(commitAndCloseEditor()));
+ editor->setModel(cbmodel);
+ editor->setModelColumn(cbmodelDisplayColumn);
+ connect(editor, SIGNAL(currentIndexChanged(int)), this, SLOT(commitAndCloseEditor(int)));
return editor;
}
void ComboBoxDelegate::setEditorData(QWidget *editor, const QModelIndex &index) const
{
- if (index.column() != viewColumn) {
- return QStyledItemDelegate::setEditorData(editor, index);
- }
-
// set the correct item selected for the editor:
// get the item id from the parent view's model
int id = index.model()->data(index, Qt::DisplayRole).toInt();
QComboBox *cbox = qobject_cast<QComboBox *>(editor);
// create a start index from combobox model
- QModelIndex startInd = model->index(0, modelIdColumn);
+ QModelIndex startInd = cbmodel->index(0, cbmodelIdColumn);
// search an index for selected item in parent view
- QModelIndexList indList = model->match(startInd, Qt::DisplayRole, id);
+ QModelIndexList indList = cbmodel->match(startInd, Qt::DisplayRole, id);
// if no match set no item selected
int ind = indList.empty() ? -1 : indList.first().row();
cbox->setCurrentIndex(ind);
void ComboBoxDelegate::setModelData(QWidget *editor, QAbstractItemModel *model, const QModelIndex &index) const
{
- if (index.column() != viewColumn) {
- return QStyledItemDelegate::setModelData(editor, model, index);
- }
QComboBox *cbox = qobject_cast<QComboBox *>(editor);
if (cbox->currentIndex() == -1) return;
- QModelIndex mi = model->index(cbox->currentIndex(), modelIdColumn);
- int id = model->data(mi).toInt();
+ QModelIndex mi = cbmodel->index(cbox->currentIndex(), cbmodelIdColumn);
+ int id = cbmodel->data(mi).toInt();
model->setData(index, id);
}
-void ComboBoxDelegate::commitAndCloseEditor()
+void ComboBoxDelegate::commitAndCloseEditor(int)
{
QComboBox *editor = qobject_cast<QComboBox *>(sender());
emit commitData(editor);