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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 com.vaadin.annotations.Theme;
import com.vaadin.data.Property.ValueChangeEvent;
import com.vaadin.data.Property.ValueChangeListener;
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.Grid;
import com.vaadin.ui.Grid.DetailsGenerator;
import com.vaadin.ui.Grid.RowReference;
import com.vaadin.ui.Grid.SelectionMode;
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.ui.themes.ValoTheme;
@Theme(ValoTheme.THEME_NAME)
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(new ValueChangeListener() {
@Override
@SuppressWarnings("boxing")
public void valueChange(ValueChangeEvent event) {
if (checkbox.getValue()) {
grid.setDetailsGenerator(detailsGenerator);
} else {
grid.setDetailsGenerator(DetailsGenerator.NULL);
}
}
});
layout.addComponent(checkbox);
numberTextField = new TextField("Row");
numberTextField.setImmediate(true);
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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