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/*
* Copyright 2000-2014 Vaadin Ltd.
*
* Licensed under the Apache License, Version 2.0 (the "License"); you may not
* use this file except in compliance with the License. You may obtain a copy of
* the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS, WITHOUT
* WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the
* License for the specific language governing permissions and limitations under
* the License.
*/
package com.vaadin.tests.components.grid;
import java.util.HashSet;
import java.util.Set;
import com.vaadin.annotations.Theme;
import com.vaadin.server.VaadinRequest;
import com.vaadin.tests.components.AbstractTestUIWithLog;
import com.vaadin.tests.fieldgroup.ComplexPerson;
import com.vaadin.ui.Button;
import com.vaadin.ui.ComboBox;
import com.vaadin.ui.Component;
import com.vaadin.ui.CustomField;
import com.vaadin.ui.Grid;
import com.vaadin.ui.HorizontalLayout;
@Theme("valo")
public class GridEditorCustomField extends AbstractTestUIWithLog {
@Override
protected void setup(VaadinRequest request) {
Grid grid = new PersonTestGrid(100);
grid.setWidth("800px");
grid.setColumns("firstName", "lastName", "address.city");
grid.setEditorEnabled(true);
Set<String> cities = new HashSet<String>();
for (Object o : grid.getContainerDataSource().getItemIds()) {
ComplexPerson p = (ComplexPerson) o;
cities.add(p.getAddress().getCity());
}
CustomCitySelect cityEditor = new CustomCitySelect(
cities.toArray(new String[cities.size()]));
grid.getColumn("address.city").setEditorField(cityEditor);
addComponent(grid);
}
public static class CustomCitySelect extends CustomField<String> {
private HorizontalLayout fieldLayout;
private String[] values;
private ComboBox cityComboBox;
public CustomCitySelect(String... values) {
this.values = values;
}
@Override
protected Component initContent() {
fieldLayout = new HorizontalLayout();
fieldLayout.setWidth("100%");
cityComboBox = new ComboBox();
for (String value : values) {
cityComboBox.addItem(value);
}
fieldLayout.addComponent(cityComboBox);
fieldLayout.setExpandRatio(cityComboBox, 1.0f);
Button addCountryButton = new Button("New");
fieldLayout.addComponent(addCountryButton);
return fieldLayout;
}
@Override
public Class<String> getType() {
return String.class;
}
@Override
protected void setInternalValue(String newValue) {
super.setInternalValue(newValue);
if (cityComboBox == null) {
return;
}
cityComboBox.setValue(newValue);
}
@Override
public String getInternalValue() {
if (cityComboBox == null) {
return null;
}
return (String) cityComboBox.getValue();
}
}
}
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