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/*
* Copyright 2000-2013 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.data.Item;
import com.vaadin.data.util.IndexedContainer;
import com.vaadin.server.VaadinRequest;
import com.vaadin.shared.ui.grid.ScrollDestination;
import com.vaadin.tests.components.AbstractTestUI;
import com.vaadin.ui.Button;
import com.vaadin.ui.Button.ClickEvent;
import com.vaadin.ui.Button.ClickListener;
import com.vaadin.ui.HorizontalLayout;
import com.vaadin.ui.VerticalLayout;
import com.vaadin.ui.components.grid.Grid;
/**
*
*/
@SuppressWarnings("serial")
public class GridScrolling extends AbstractTestUI {
private Grid grid;
private IndexedContainer ds;
@Override
@SuppressWarnings("unchecked")
protected void setup(VaadinRequest request) {
// Build data source
ds = new IndexedContainer();
for (int col = 0; col < 5; col++) {
ds.addContainerProperty("col" + col, String.class, "");
}
for (int row = 0; row < 65536; row++) {
Item item = ds.addItem(Integer.valueOf(row));
for (int col = 0; col < 5; col++) {
item.getItemProperty("col" + col).setValue(
"(" + row + ", " + col + ")");
}
}
grid = new Grid(ds);
HorizontalLayout hl = new HorizontalLayout();
hl.addComponent(grid);
hl.setMargin(true);
hl.setSpacing(true);
VerticalLayout vl = new VerticalLayout();
vl.setSpacing(true);
// Add scroll buttons
Button scrollUpButton = new Button("Top", new ClickListener() {
@Override
public void buttonClick(ClickEvent event) {
grid.scrollToStart();
}
});
scrollUpButton.setSizeFull();
vl.addComponent(scrollUpButton);
for (int i = 1; i < 7; ++i) {
final int row = (ds.size() / 7) * i;
Button scrollButton = new Button("Scroll to row " + row,
new ClickListener() {
@Override
public void buttonClick(ClickEvent event) {
grid.scrollToItem(Integer.valueOf(row),
ScrollDestination.MIDDLE);
}
});
scrollButton.setSizeFull();
vl.addComponent(scrollButton);
}
Button scrollDownButton = new Button("Bottom", new ClickListener() {
@Override
public void buttonClick(ClickEvent event) {
grid.scrollToEnd();
}
});
scrollDownButton.setSizeFull();
vl.addComponent(scrollDownButton);
hl.addComponent(vl);
addComponent(hl);
}
@Override
protected String getTestDescription() {
return "Test Grid programmatic scrolling features";
}
@Override
protected Integer getTicketNumber() {
return 13327;
}
}
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