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/*
@ITMillApache2LicenseForJavaFiles@
*/
package com.itmill.toolkit.tests.book;
import java.util.Collection;
import java.util.Vector;
import com.itmill.toolkit.data.Container;
import com.itmill.toolkit.data.Item;
import com.itmill.toolkit.data.Property;
import com.itmill.toolkit.data.Container.Indexed;
import com.itmill.toolkit.data.util.BeanItem;
import com.itmill.toolkit.data.util.ObjectProperty;
import com.itmill.toolkit.data.util.PropertysetItem;
import com.itmill.toolkit.ui.CustomComponent;
import com.itmill.toolkit.ui.Table;
public class TableHuge extends CustomComponent {
/**
* This is a virtual container that generates the items on the fly when
* requested.
*/
public class HugeContainer implements Container, Indexed {
int numberofitems;
public HugeContainer(int numberofitems) {
this.numberofitems = numberofitems;
}
public boolean addContainerProperty(Object propertyId, Class type,
Object defaultValue) throws UnsupportedOperationException {
throw new UnsupportedOperationException();
}
public Item addItem(Object itemId) throws UnsupportedOperationException {
throw new UnsupportedOperationException();
}
public Object addItem() throws UnsupportedOperationException {
throw new UnsupportedOperationException();
}
/**
* This addItem method is specific for this container and allows adding
* BeanItem objects. The BeanItems must be bound to MyBean objects.
*/
public void addItem(BeanItem item) throws UnsupportedOperationException {
}
public boolean containsId(Object itemId) {
if (itemId instanceof Integer) {
int pos = ((Integer) itemId).intValue();
if (pos >= 0 && pos < numberofitems) {
return true;
}
}
return false;
}
/**
* The Table will call this method to get the property objects for the
* columns. It uses the property objects to determine the data types of
* the columns.
*/
public Property getContainerProperty(Object itemId, Object propertyId) {
if (itemId instanceof Integer) {
int pos = ((Integer) itemId).intValue();
if (pos >= 0 && pos < numberofitems) {
return new ObjectProperty("This is the item " + pos
+ " in the huge table");
}
}
return null;
}
/** Table calls this to get the column names. */
public Collection getContainerPropertyIds() {
Vector ids = new Vector();
ids.add("id");
return ids;
}
public Item getItem(Object itemId) {
if (itemId instanceof Integer) {
int pos = ((Integer) itemId).intValue();
if (pos >= 0 && pos < numberofitems) {
Item item = new PropertysetItem();
item.addItemProperty("id", new ObjectProperty(
"This is the item " + pos + " in the huge table"));
return item;
}
}
return null;
}
public Collection getItemIds() {
System.out.println("We can't do this.");
return null;
}
public Class getType(Object propertyId) {
return PropertysetItem.class;
}
public boolean removeAllItems() throws UnsupportedOperationException {
throw new UnsupportedOperationException();
}
public boolean removeContainerProperty(Object propertyId)
throws UnsupportedOperationException {
throw new UnsupportedOperationException();
}
public boolean removeItem(Object itemId)
throws UnsupportedOperationException {
throw new UnsupportedOperationException();
}
public int size() {
return numberofitems;
}
public Object addItemAt(int index) throws UnsupportedOperationException {
// TODO Auto-generated method stub
return null;
}
public Item addItemAt(int index, Object newItemId)
throws UnsupportedOperationException {
// TODO Auto-generated method stub
return null;
}
public Object getIdByIndex(int index) {
return Integer.valueOf(index);
}
public int indexOfId(Object itemId) {
return ((Integer) itemId).intValue();
}
public Object addItemAfter(Object previousItemId)
throws UnsupportedOperationException {
// TODO Auto-generated method stub
return null;
}
public Item addItemAfter(Object previousItemId, Object newItemId)
throws UnsupportedOperationException {
// TODO Auto-generated method stub
return null;
}
public Object firstItemId() {
return new Integer(0);
}
public boolean isFirstId(Object itemId) {
return ((Integer) itemId).intValue() == 0;
}
public boolean isLastId(Object itemId) {
return ((Integer) itemId).intValue() == (numberofitems - 1);
}
public Object lastItemId() {
return new Integer(numberofitems - 1);
}
public Object nextItemId(Object itemId) {
int pos = indexOfId(itemId);
if (pos >= numberofitems - 1) {
return null;
}
return getIdByIndex(pos + 1);
}
public Object prevItemId(Object itemId) {
int pos = indexOfId(itemId);
if (pos <= 0) {
return null;
}
return getIdByIndex(pos - 1);
}
}
public TableHuge() {
Table table = new Table("HUGE table, REALLY HUGE");
table.setContainerDataSource(new HugeContainer(500000));
table.setPageLength(20);
setCompositionRoot(table);
}
}
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