Populate Listview from Database

[arcade]

hello . I am trying something like this

scene : when someone clicks on delete button , i handle it like this

Button{
                    text: "delete"
                    onClicked: {
                        dbman.del(id)  // this one actually deletes file from db and from system , works fine 
                        mod.deletepages(id) //  this is what i am trying to implement 
                    }

Button{
                    text: "delete"
                    onClicked: {
                        dbman.del(id)  // this one actually deletes file from db and from system , works fine 
                        mod.deletepages(id) //  this is what i am trying to implement 
                    }

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so what mod.deletepages(id) do is get the id of the page and send it to here

void listmodel::deletepages(QString pageid)
{
 
 
    qDebug() << pageid;
    beginRemoveRows(QModelIndex(),remove,remove);
    endInsertRows();
}

void listmodel::deletepages(QString pageid)
{
    
   
    qDebug() << pageid;
    beginRemoveRows(QModelIndex(),remove,remove);
    endInsertRows();
}

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now what i have is the value not the index . how to get the index of that value .

i have tried to use m_list.indexOf(pageid) ;

but i get error " error: no matching function for call to 'QList<list>::indexOf(QString&)'
int remove = m_list.indexOf(pageid); "
^

so how to get the index

[anda_skoa]

The easiest way is to pass the row index, since the view and the model have the same concept of what a row is

In your delegate

mod.deletepages(model.index)

mod.deletepages(model.index)

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In your model

void listmodel::deletepages(int row)
{
    beginRemoveRows(QModelIndex(), row, row);
    m_list.remove(row);
    endRemoveRows();
}

void listmodel::deletepages(int row)
{
    beginRemoveRows(QModelIndex(), row, row);
    m_list.remove(row);
    endRemoveRows();
}

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Ideally you don't do two calls from QML though, but have one C++ method that modifies the model and the database.
Otherwise you could forget one and model and database could get out of sync.

Cheers,
_