#include <QtGui>
+#include <QSqlQueryModel>
#include "comboboxdelegate.h"
#include "emufrontquerymodel.h"
#include "emufrontobject.h"
-ComboBoxDelegate::ComboBoxDelegate(int column, EmuFrontQueryModel *model, QWidget *parent) :
- QStyledItemDelegate(parent), column(column), model(model)
+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() != column) {
- 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();
- EmuFrontObject *efo = model->getObject(objid);
- QString txt = efo->getName();
+
+ // find matching object from QComboBox's model
+ QModelIndex startInd = cbmodel->index(0, cbmodelIdColumn);
+ QModelIndexList indList = cbmodel->match(startInd, Qt::DisplayRole, objid);
+ QModelIndex ind = indList.empty() ?
+ QModelIndex() :
+ cbmodel->index(indList.first().row(), cbmodelDisplayColumn);
+
+ QString txt = ind.isValid() ?
+ cbmodel->data(ind).toString() : "";
+
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() != column) {
- 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
{
-
+ // 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 = cbmodel->index(0, cbmodelIdColumn);
+ // search an index for selected item in parent view
+ 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
{
+ QComboBox *cbox = qobject_cast<QComboBox *>(editor);
+ if (cbox->currentIndex() == -1) return;
+ 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);
+ emit closeEditor(editor);
}