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package com.vaadin.v7.tests.components.grid;
import com.vaadin.server.VaadinRequest;
import com.vaadin.tests.util.Person;
import com.vaadin.tests.util.PersonContainer;
import com.vaadin.ui.Button;
import com.vaadin.ui.Button.ClickEvent;
import com.vaadin.ui.CheckBox;
import com.vaadin.ui.Component;
import com.vaadin.ui.Label;
import com.vaadin.ui.Layout;
import com.vaadin.ui.TextField;
import com.vaadin.ui.UI;
import com.vaadin.ui.VerticalLayout;
import com.vaadin.v7.ui.Grid;
import com.vaadin.v7.ui.Grid.DetailsGenerator;
import com.vaadin.v7.ui.Grid.RowReference;
import com.vaadin.v7.ui.Grid.SelectionMode;
/**
* This test cannot be migrated to V8 since there is no Grid::scrollTo method.
* Will it be there in the future ? (may be this test should be just removed).
*
* @author Vaadin Ltd
*
*/
public class GridDetailsLocation extends UI {
private final DetailsGenerator detailsGenerator = new DetailsGenerator() {
@Override
public Component getDetails(RowReference rowReference) {
Person person = (Person) rowReference.getItemId();
Label label = new Label(
person.getFirstName() + " " + person.getLastName());
// currently the decorator row doesn't change its height when the
// content height is different.
label.setHeight("30px");
return label;
}
};
private TextField numberTextField;
private Grid grid;
@Override
protected void init(VaadinRequest request) {
Layout layout = new VerticalLayout();
grid = new Grid(PersonContainer.createWithTestData(1000));
grid.setSelectionMode(SelectionMode.NONE);
layout.addComponent(grid);
final CheckBox checkbox = new CheckBox("Details generator");
checkbox.addValueChangeListener(event -> {
if (checkbox.getValue()) {
grid.setDetailsGenerator(detailsGenerator);
} else {
grid.setDetailsGenerator(DetailsGenerator.NULL);
}
});
layout.addComponent(checkbox);
numberTextField = new TextField("Row");
layout.addComponent(numberTextField);
layout.addComponent(
new Button("Toggle and scroll", new Button.ClickListener() {
@Override
public void buttonClick(ClickEvent event) {
toggle();
scrollTo();
}
}));
layout.addComponent(
new Button("Scroll and toggle", new Button.ClickListener() {
@Override
public void buttonClick(ClickEvent event) {
scrollTo();
toggle();
}
}));
setContent(layout);
}
private void toggle() {
Object itemId = getItemId();
boolean isVisible = grid.isDetailsVisible(itemId);
grid.setDetailsVisible(itemId, !isVisible);
}
private void scrollTo() {
grid.scrollTo(getItemId());
}
private Object getItemId() {
int row = Integer.parseInt(numberTextField.getValue());
Object itemId = grid.getContainerDataSource().getIdByIndex(row);
return itemId;
}
}
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