set data to Grid

Flow
1

Hi my previous experience was about Swing.
Are there any other ways to set data to Grid except setItems(object) either binded or not? For example to JTable you could have 2 dimension array or ArrayList. If there are can you point me to examples?

Thank you in advance

2

Hi,

You can use setItems that takes a Collection but also a dataprovider:
https://vaadin.com/docs/v14/flow/binding-data/tutorial-flow-data-provider.html

3

Hi and thanks for the answer.
Can you please give a sample of Collection code used with Grid?

My objective is to use Grid like grid.setItems(Record) where Record is a class with variable number of parameters each time.

Any suggestions?
Thank

4

Hi,

The grid component helps you to: (in short)

  • create a column that renders a data (A Java lamdba expression for example)
  • set a collection a data

Basically:

Grid<Record> grid = new Grid<>();
// build all the needed columns
grid.addColumn(record -> record.getYourData()); 
grid.setItems(records); //records is a list or collection of record

Record can contain anything but you need to know which column you will show.