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package com.vaadin.tests.util;
import java.util.Collection;
import java.util.HashMap;
import java.util.List;
import java.util.Map;
import com.vaadin.data.Container;
import com.vaadin.data.ContainerHelpers;
import com.vaadin.data.Item;
import com.vaadin.data.Property;
import com.vaadin.data.util.AbstractContainer;
import com.vaadin.data.util.ObjectProperty;
public class LargeContainer extends AbstractContainer implements
Container.Indexed {
public class TestItem implements Item {
private final Object itemId;
public TestItem(Object itemId) {
this.itemId = itemId;
}
@Override
public Property<?> getItemProperty(Object propertyId) {
ObjectProperty<String> property = new ObjectProperty<String>(
containerPropertyIdDefaults.get(propertyId) + " (item "
+ itemId + ")");
return property;
}
@Override
public Collection<?> getItemPropertyIds() {
return getContainerPropertyIds();
}
@Override
@SuppressWarnings("rawtypes")
public boolean addItemProperty(Object id, Property property)
throws UnsupportedOperationException {
throw new UnsupportedOperationException("Cannot add item property");
}
@Override
public boolean removeItemProperty(Object id)
throws UnsupportedOperationException {
throw new UnsupportedOperationException(
"Cannot remove item property");
}
}
private int size = 1000;
private Map<Object, Class<?>> containerPropertyIdTypes = new HashMap<Object, Class<?>>();
private Map<Object, Object> containerPropertyIdDefaults = new HashMap<Object, Object>();
@Override
public Object nextItemId(Object itemId) {
Integer id = (Integer) itemId;
if (id >= size() - 1) {
return null;
}
return (id + 1);
}
@Override
public Object prevItemId(Object itemId) {
Integer id = (Integer) itemId;
if (id <= 0) {
return null;
}
return (id - 1);
}
@Override
public Object firstItemId() {
if (0 == size()) {
return null;
}
return 0;
}
@Override
public Object lastItemId() {
if (0 == size()) {
return null;
}
return (size() - 1);
}
@Override
public boolean isFirstId(Object itemId) {
if (null == itemId) {
return false;
}
return itemId.equals(firstItemId());
}
@Override
public boolean isLastId(Object itemId) {
if (null == itemId) {
return false;
}
return itemId.equals(lastItemId());
}
@Override
public TestItem getItem(Object itemId) {
if (!containsId(itemId)) {
return null;
}
return new TestItem(itemId);
}
@Override
public Collection<?> getItemIds() {
return new RangeCollection(size());
}
@Override
public List<?> getItemIds(int startIndex, int numberOfIds) {
// TODO use a lazy list for better performance
return ContainerHelpers.getItemIdsUsingGetIdByIndex(startIndex,
numberOfIds, this);
}
@Override
public Property<?> getContainerProperty(Object itemId, Object propertyId) {
TestItem item = getItem(itemId);
if (null == item) {
return null;
}
return item.getItemProperty(propertyId);
}
@Override
public int size() {
return size;
}
@Override
public boolean containsId(Object itemId) {
if (!(itemId instanceof Integer)) {
return false;
}
Integer id = (Integer) itemId;
return (id >= 0 && id < (size() - 1));
}
@Override
public int indexOfId(Object itemId) {
if (!containsId(itemId)) {
return -1;
}
return (Integer) itemId;
}
@Override
public Object getIdByIndex(int index) {
return index;
}
public void setSize(int newSize) {
size = newSize;
}
@Override
public boolean removeAllItems() throws UnsupportedOperationException {
setSize(0);
return true;
}
@Override
public Class<?> getType(Object propertyId) {
return containerPropertyIdTypes.get(propertyId);
}
@Override
public Collection<?> getContainerPropertyIds() {
return containerPropertyIdTypes.keySet();
}
@Override
public boolean addContainerProperty(Object propertyId, Class<?> type,
Object defaultValue) throws UnsupportedOperationException {
if (containerPropertyIdTypes.containsKey(propertyId) || null == type) {
return false;
}
containerPropertyIdTypes.put(propertyId, type);
containerPropertyIdDefaults.put(propertyId, defaultValue);
return true;
}
@Override
public boolean removeContainerProperty(Object propertyId)
throws UnsupportedOperationException {
if (!containerPropertyIdTypes.containsKey(propertyId)) {
return false;
}
containerPropertyIdTypes.remove(propertyId);
containerPropertyIdDefaults.remove(propertyId);
return true;
}
@Override
public Item addItem(Object itemId) throws UnsupportedOperationException {
throw new UnsupportedOperationException("Not supported");
}
@Override
public Object addItem() throws UnsupportedOperationException {
throw new UnsupportedOperationException("Not supported");
}
@Override
public boolean removeItem(Object itemId)
throws UnsupportedOperationException {
throw new UnsupportedOperationException("Not supported");
}
@Override
public Object addItemAt(int index) throws UnsupportedOperationException {
throw new UnsupportedOperationException("Not supported");
}
@Override
public Item addItemAt(int index, Object newItemId)
throws UnsupportedOperationException {
throw new UnsupportedOperationException("Not supported");
}
@Override
public Object addItemAfter(Object previousItemId)
throws UnsupportedOperationException {
throw new UnsupportedOperationException("Not supported");
}
@Override
public Item addItemAfter(Object previousItemId, Object newItemId)
throws UnsupportedOperationException {
throw new UnsupportedOperationException("Not supported");
}
}
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