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package com.vaadin.tests.components.grid;
import com.vaadin.data.SelectionModel;
import com.vaadin.server.VaadinRequest;
import com.vaadin.tests.components.AbstractReindeerTestUI;
import com.vaadin.tests.data.bean.Address;
import com.vaadin.tests.data.bean.Person;
import com.vaadin.ui.Button;
import com.vaadin.ui.Grid;
import com.vaadin.ui.Grid.Column;
import com.vaadin.ui.Grid.SelectionMode;
import com.vaadin.ui.HorizontalLayout;
import com.vaadin.ui.components.grid.HeaderRow;
public class GridHeaderFormatChange extends AbstractReindeerTestUI {
private static final long serialVersionUID = -2787771187365766027L;
private HeaderRow row;
@Override
protected void setup(VaadinRequest request) {
Grid<Person> grid = new Grid<>();
grid.setWidth("600px");
grid.addColumn(Person::getFirstName).setId("firstName");
grid.addColumn(Person::getLastName).setId("lastName");
grid.addColumn(person -> person.getAddress().getStreetAddress())
.setId("streetAddress");
grid.addColumn(person -> person.getAddress().getPostalCode())
.setId("zip");
grid.addColumn(person -> person.getAddress().getCity()).setId("city");
grid.setSelectionMode(SelectionMode.SINGLE);
addComponent(grid);
grid.setItems(createPerson());
Button showHide = new Button("Hide firstName", event -> {
Column<Person, ?> column = grid.getColumn("firstName");
if (grid.getColumn("firstName") != null) {
grid.removeColumn(column);
event.getButton().setCaption("Show firstName");
} else {
grid.addColumn(Person::getFirstName).setId("firstName");
grid.setColumnOrder(grid.getColumn("firstName"),
grid.getColumn("lastName"),
grid.getColumn("streetAddress"), grid.getColumn("zip"),
grid.getColumn("city"));
event.getButton().setCaption("Hide firstName");
}
});
showHide.setId("show_hide");
Button selectionMode = new Button("Set multiselect", event -> {
if (grid.getSelectionModel() instanceof SelectionModel.Single) {
grid.setSelectionMode(SelectionMode.MULTI);
} else {
grid.setSelectionMode(SelectionMode.SINGLE);
}
});
selectionMode.setId("selection_mode");
Button join = new Button("Add Join header column", event -> {
if (row == null) {
row = grid.prependHeaderRow();
if (grid.getColumn("firstName") != null) {
row.join(
grid.getDefaultHeaderRow()
.getCell(grid.getColumn("firstName")),
grid.getDefaultHeaderRow()
.getCell(grid.getColumn("lastName")))
.setText("Full Name");
}
row.join(
grid.getDefaultHeaderRow()
.getCell(grid.getColumn("streetAddress")),
grid.getDefaultHeaderRow()
.getCell(grid.getColumn("zip")),
grid.getDefaultHeaderRow()
.getCell(grid.getColumn("city")))
.setText("Address");
} else {
grid.removeHeaderRow(row);
row = null;
}
});
join.setId("join");
addComponent(new HorizontalLayout(showHide, selectionMode, join));
}
@Override
protected String getTestDescription() {
return "Grid for testing header re-rendering.";
}
@Override
protected Integer getTicketNumber() {
return 17131;
}
private Person createPerson() {
Person person = new Person();
person.setFirstName("Rudolph");
person.setLastName("Reindeer");
person.setAddress(new Address());
person.getAddress().setStreetAddress("Ruukinkatu 2-4");
person.getAddress().setPostalCode(20540);
person.getAddress().setCity("Turku");
return person;
}
}
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