Java to Qt code convert

I'm teaching my self Qt; in the same time I don't want to lose my Java skills in Qt. I stacked in some codes to do it in Qt, I tried many times as well as search in the net.

Code # 1

Object[] names = jList1.getSelectedValues();
String msg = "";
for (Object o : names)
msg += o;

Code # 2

DefaultListModel model;
model = new DefaultListModel();
jList1.setModel(model);

Code # 3

if(!jList1.isSelectionEmpty())
I didn't find Empty method :-(

I'm going to do some Qt's video tutorials on youtube, but before that I need to solve the above codes. If any programmer can help I will be thankful;

Thanks in advance

At the end 开发者_高级运维I would like to thanks the experts who are spent thier value times to help others

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What you want for code #1 and #3 is the selection model. It does not have an empty method, but hasSelection aught to do it for you.

As for code #2, you could use the QStandardItemModel. It could be considered the default model if you must, but having a standard model in most cases defeats the purpose of the model-view paradigm (proving a model interface to your actual data). You could also look into the QList/Tree/TableWidget classes, as they come with a model (which QList/Tree/TableView don't).