2.6.3.3. Screen Controller
Open the Column3dChart
screen controller and replace its content with the following code:
package com.company.sampler.web;
import com.company.sampler.entity.CountryGrowth;
import com.haulmont.cuba.gui.model.CollectionContainer;
import com.haulmont.cuba.gui.screen.Screen;
import com.haulmont.cuba.gui.screen.Subscribe;
import com.haulmont.cuba.gui.screen.UiController;
import com.haulmont.cuba.gui.screen.UiDescriptor;
import javax.inject.Inject;
import java.util.ArrayList;
import java.util.List;
@UiController("sampler_Column3dChart")
@UiDescriptor("column3d-chart.xml")
public class Column3dChart extends Screen {
@Inject
private CollectionContainer<CountryGrowth> countryGrowthDc;
@Subscribe
private void onInit(InitEvent event) {
List<CountryGrowth> items = new ArrayList<>();
items.add(countryGrowth("USA", 3.5, 4.2));
items.add(countryGrowth("UK", 1.7, 3.1));
items.add(countryGrowth("Canada", 2.8, 2.9));
items.add(countryGrowth("Japan", 2.6, 2.3));
items.add(countryGrowth("France", 1.4, 2.1));
items.add(countryGrowth("Brazil", 2.6, 4.9));
items.add(countryGrowth("Russia", 6.4, 7.2));
items.add(countryGrowth("India", 8.0, 7.1));
items.add(countryGrowth("China", 9.9, 10.1));
countryGrowthDc.setItems(items);
}
private CountryGrowth countryGrowth(String country, double year2014, double year2015) {
CountryGrowth cg = new CountryGrowth();
cg.setCountry(country);
cg.setYear2014(year2014);
cg.setYear2015(year2015);
return cg;
}
}
The onInit
method populates the countryGrowthDc
data container with the data.
- Result
-
Now let’s see how the created screen looks in the actual application. Select CUBA → Start application server.
-
Log in using default credentials in the login window. Open the Application → Column3dChart menu item and you will see the chart like below:
Figure 26. Column 3D Chart