[solved] openPersistentEditor(index) not working

[Hareen Laks]

Dear friends,

Can you help me please?

I'm trying to apply QSpinbox delegate to my application.

I tried to imitate Spin Box Delegate Example in Qt creator and "QItemDelegate tutorial video":http://www.youtube.com/watch?v=EJf-vZ6FQfc.

I successfully created the delegates. But openPersistentEditor() method not working. Which use to display the data already in edit mode.

What is missing?

Here my codes.

@ QStandardItemModel *item_model;
ComponentDelegate *component_delegate;

    item_model = new QStandardItemModel(4,2,this);
    component_delegate = new ComponentDelegate(this);

    for (int row = 0; row < 4; ++row) {
        for (int col = 0; col < 2; ++col) {
            QModelIndex index = item_model->index(row,col,QModelIndex());
            ui->height_amperate_tableview->openPersistentEditor(index);
            item_model->setData(index,0);
        }
    }

    ui->height_amperate_tableview->horizontalHeader()->setStretchLastSection(true);
    ui->height_amperate_tableview->setModel(item_model);
    ui->height_amperate_tableview->setItemDelegate(component_delegate);@

@class ComponentDelegate:public QItemDelegate
{
public:
ComponentDelegate(QObject *parent): QItemDelegate(parent){}

QWidget *createEditor(QWidget *parent, const QStyleOptionViewItem &option, const QModelIndex &index) const
{
    QSpinBox *editor=new QSpinBox(parent);
    editor->setMinimum(0);
    editor->setMaximum(100);
    return editor;
}

void setEditorData(QWidget *editor, const QModelIndex &index) const
{
    int value = index.model()->data(index,Qt::EditRole).toInt();

    QSpinBox *spinbox = static_cast<QSpinBox*>(editor);
    spinbox->setValue(value);
}

void setModelData(QWidget *editor, QAbstractItemModel *model, const QModelIndex &index) const
{
    QSpinBox *spinbox = static_cast<QSpinBox*>(editor);
    spinbox->interpretText();
    int value = spinbox->value();
    model->setData(index,value,Qt::EditRole);
}

void updateEditorGeometry(QWidget *editor, const QStyleOptionViewItem &option, const QModelIndex &index) const
{
    editor->setGeometry(option.rect);
}

};@

Thanks in advance.

[SGaist]

Hi,

One thing from your code that look strange is that you are opening the persistent editor before setting your delegate.

[Hareen Laks]

Thank you for replying me.

As you mentioned I set the delegate before opening the persistent editor.

@
QStandardItemModel *item_model;
ComponentDelegate *component_delegate;

item_model = new QStandardItemModel(4,2,this);
component_delegate = new ComponentDelegate(this);

ui->height_amperate_tableview->horizontalHeader()->setStretchLastSection(true);

ui->height_amperate_tableview->setModel(item_model);

ui->height_amperate_tableview->setItemDelegate(component_delegate);

for (int row = 0; row < 4; ++row) {
for (int col = 0; col < 2; ++col) {
QModelIndex index = item_model->index(row,col,QModelIndex());
ui->height_amperate_tableview->openPersistentEditor(index);
item_model->setData(index,0);
}
}

@

It is working Now.

Thank you very much for your help.

[SGaist]

You're welcome !

Since your view is working please update the thread title prepending [solved] so other forum users may know a solution has been found :)

[Hareen Laks]

just forgot. :)

thanks.