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package com.vaadin.tests.components.checkbox;
import java.util.LinkedHashMap;
import java.util.Objects;
import com.vaadin.icons.VaadinIcons;
import com.vaadin.server.SerializablePredicate;
import com.vaadin.tests.components.abstractlisting.AbstractMultiSelectTestUI;
import com.vaadin.ui.CheckBoxGroup;
import com.vaadin.ui.DescriptionGenerator;
import com.vaadin.ui.IconGenerator;
/**
* Test UI for CheckBoxGroup component
*
* @author Vaadin Ltd
*/
public class CheckBoxGroupTestUI
extends AbstractMultiSelectTestUI<CheckBoxGroup<Object>> {
private static final IconGenerator<Object> DEFAULT_ICON_GENERATOR = item -> "Item 2"
.equals(item) ? ICON_16_HELP_PNG_CACHEABLE : null;
@SuppressWarnings({ "unchecked", "rawtypes" })
@Override
protected Class<CheckBoxGroup<Object>> getTestClass() {
return (Class) CheckBoxGroup.class;
}
@Override
protected CheckBoxGroup<Object> constructComponent() {
CheckBoxGroup<Object> checkBoxGroup = super.constructComponent();
checkBoxGroup.setItemIconGenerator(DEFAULT_ICON_GENERATOR);
checkBoxGroup.setItemEnabledProvider(item -> !"Item 10".equals(item));
return checkBoxGroup;
}
@Override
protected void createActions() {
super.createActions();
createItemIconGenerator();
createItemDescriptionGeneratorMenu();
createItemEnabledProviderMenu();
}
private void createItemIconGenerator() {
createBooleanAction("Use Item Icon Generator", "Item Generator", false,
this::useItemIconProvider);
}
private void createItemDescriptionGeneratorMenu() {
LinkedHashMap<String, DescriptionGenerator<Object>> options = new LinkedHashMap<>();
options.put("Null Description Generator", item -> null);
options.put("Default Description Generator", item -> item.toString());
options.put("Custom Description Generator",
item -> item + " Description");
createSelectAction("Item Description Generator",
"Item Description Generator", options, "None",
(checkBoxGroup, generator, data) -> {
checkBoxGroup.setItemDescriptionGenerator(generator);
checkBoxGroup.getDataProvider().refreshAll();
}, true);
}
private void createItemEnabledProviderMenu() {
LinkedHashMap<String, SerializablePredicate<Object>> options = new LinkedHashMap<>();
options.put("Disable Item 0", o -> !Objects.equals(o, "Item 0"));
options.put("Disable Item 3", o -> !Objects.equals(o, "Item 3"));
options.put("Disable Item 5", o -> !Objects.equals(o, "Item 5"));
createSelectAction("Item Enabled Provider", "Item Enabled Provider",
options, "None", (checkBoxGroup, generator, data) -> {
checkBoxGroup.setItemEnabledProvider(generator);
checkBoxGroup.getDataProvider().refreshAll();
}, true);
}
private void useItemIconProvider(CheckBoxGroup<Object> group,
boolean activate, Object data) {
if (activate) {
group.setItemIconGenerator(
item -> VaadinIcons.values()[getIndex(item) + 1]);
} else {
group.setItemIconGenerator(DEFAULT_ICON_GENERATOR);
}
group.getDataProvider().refreshAll();
}
private int getIndex(Object item) {
int index = item.toString().indexOf(' ');
if (index < 0) {
return 0;
}
String postfix = item.toString().substring(index + 1);
index = postfix.indexOf(' ');
if (index >= 0) {
postfix = postfix.substring(0, index);
}
try {
return Integer.parseInt(postfix);
} catch (NumberFormatException e) {
return 0;
}
}
}
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