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package com.vaadin.tests.declarative;
import com.vaadin.annotations.DesignRoot;
import com.vaadin.ui.Button;
import com.vaadin.ui.VerticalLayout;
import com.vaadin.ui.declarative.Design;
import com.vaadin.v7.data.fieldgroup.FieldGroup;
import com.vaadin.v7.data.fieldgroup.FieldGroup.CommitException;
import com.vaadin.v7.data.util.BeanItemContainer;
import com.vaadin.v7.ui.Table;
@DesignRoot
public class PotusCrud extends VerticalLayout {
public Table potusList;
public PotusForm potusForm;
public Button addNew;
private FieldGroup fg;
private BeanItemContainer<Potus> potusContainer = new BeanItemContainer<>(
Potus.class);
public PotusCrud() {
Design.read(this);
init();
}
private void init() {
initTable();
initForm();
addNew.addClickListener(event -> doAdd());
}
private void initTable() {
potusList.setContainerDataSource(potusContainer);
potusList.addValueChangeListener(event -> doEdit());
}
private void initForm() {
potusForm.save.addClickListener(evenet -> doSave());
potusForm.delete.addClickListener(event -> doDelete());
potusForm.revert.addClickListener(event -> doRevert());
fg = new FieldGroup();
}
protected void doRevert() {
fg.discard();
}
protected void doDelete() {
potusContainer.removeItem(potusList.getValue());
fg.setItemDataSource(null);
}
protected void doSave() {
try {
fg.commit();
} catch (CommitException e) {
e.printStackTrace();
}
}
protected void doAdd() {
potusContainer.addBean(new Potus());
}
protected void doEdit() {
if (potusList.getValue() != null) {
fg.setItemDataSource(potusList.getItem(potusList.getValue()));
fg.bindMemberFields(potusForm);
} else {
fg.setItemDataSource(null);
}
}
}
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