Add checkbox in table and selected items create new data source

Support
#1

i have a table static table (datasources = chartDs) in this table I want to add checkbok in all row in this table.
then checked row’s data want to change to new datasource.
tabel

#2

Do you want to copy selected rows to another datasource? By clicking on a separate button or immediately when a user selects a checkbox?

#3

when I checked items after click OK then selected item get on new data source

#5

Hi,

Here’s one of the possible solutions.

  1. Create a new datasource to be populated on click:
<groupDatasource id="selectedDs"
                 refreshMode="NEVER"
                 class="com.company.demo.entity.Statistic"
                 view="_local"/>
  1. Create a generated column in your table with a checkbox inside:
<columns>
    <column id="checkBox"
            caption="msg://selectSkills"
            width="50"
            generator="generateCheckBox"/>
    <column id="skill"/>
    <column id="count"/>
</columns>
  1. In the column generator add ValueChangeListener that will update the list of items when the user clicks on the checkbox:
private List<Statistic> selectedItemsList = new ArrayList<>();

public Component generateCheckBox(Statistic item) {
    CheckBox checkBox = componentsFactory.createComponent(CheckBox.class);
    checkBox.addValueChangeListener(e -> {
        if (Boolean.TRUE.equals(e.getValue())) {
            selectedItemsList.add(item);
        } else {
            selectedItemsList.remove(item);
        }
    });
    return checkBox;
}
  1. When the user clicks the OK button, the following method is invoked. It adds all items from the list to the datasource:
public void refreshChartWithSelectedItems() {
    selectedDs.clear();
    for (Statistic item : selectedItemsList) {
        selectedDs.addItem(item);
    }
}

I’ve attached a small demo project with two pieCharts: one displays all items from the table, another one displays only the items selected by the checkbox, when the users clicks OK:

demo.zip (86.6 KB)

1 Like
#6

Error on Statistic
public Component generateCheckBox(Statistic item)

checkboxxmlcheckbox