package org.minimalj.frontend.impl.vaadin.toolkit;

import java.util.ArrayList;
import java.util.List;

import org.minimalj.frontend.Frontend.ITable;
import org.minimalj.frontend.Frontend.TableActionListener;
import org.minimalj.frontend.impl.vaadin.PropertyVaadinContainer;
import org.minimalj.model.Keys;
import org.minimalj.model.Rendering;
import org.minimalj.model.properties.PropertyInterface;
import org.minimalj.util.resources.Resources;

import com.vaadin.data.Property;
import com.vaadin.event.Action;
import com.vaadin.event.Action.Handler;
import com.vaadin.event.ItemClickEvent;
import com.vaadin.event.ItemClickEvent.ItemClickListener;
import com.vaadin.event.ShortcutAction;
import com.vaadin.ui.Table;

public class VaadinTable<T> extends Table implements ITable<T> {
	private static final long serialVersionUID = 1L;

	private final List<PropertyInterface> properties = new ArrayList<PropertyInterface>();
	private final TableActionListener<T> listener;
	private VaadinTableItemClickListener tableClickListener;
	private Action action_delete = new ShortcutAction("Delete", ShortcutAction.KeyCode.DELETE, null);
	private Action action_enter = new ShortcutAction("Enter", ShortcutAction.KeyCode.DELETE, null);

	public VaadinTable(Object[] keys, boolean multiSelect, TableActionListener<T> listener) {
		addStyleName("table");
		this.listener = listener;
		
		setSelectable(true);
		setMultiSelect(multiSelect);
		setSizeFull();
		
		for (Object key : keys) {
			PropertyInterface property = Keys.getProperty(key);
			properties.add(property);
			String header = Resources.getPropertyName(property);
			setColumnHeader(property, header);
		}
		
		addActionHandler(new VaadinTableActionHandler());
		
		tableClickListener = new VaadinTableItemClickListener();
		addItemClickListener(tableClickListener);
	}
	
	@Override
	public void setObjects(List<T> objects) {
		setContainerDataSource(new PropertyVaadinContainer<T>(objects, properties));
	}

	@Override
	protected String formatPropertyValue(Object rowId, Object colId,
			Property<?> property) {
		Object value = property.getValue();
		return Rendering.render(value, Rendering.RenderType.PLAIN_TEXT, (PropertyInterface) colId);
	}
     
	private class VaadinTableItemClickListener implements ItemClickListener {
		private static final long serialVersionUID = 1L;

		@Override
		public void itemClick(ItemClickEvent event) {
			if (event.isDoubleClick()) {
				T item = (T) event.getItemId();
				listener.action(item);
			}
		}
	}
	
	private class VaadinTableActionHandler implements Handler {
		private static final long serialVersionUID = 1L;

		@Override
		public Action[] getActions(Object target, Object sender) {
			if (sender == VaadinTable.this) {
				return new Action[]{action_delete, action_enter};
			} else {
				return null;
			}
		}

		@Override
		public void handleAction(Action action, Object sender, Object target) {
			System.out.println(action);
		}
		
	}

}

@@ -1870,16 +1870,129 @@
 ects) %7B%0A
+%09%09// TODO Paging in Vaadin. For example with viritin. At the moment the maxim of displayed objects is set to 100%0A
 %09%09setCon
@@ -2046,16 +2046,58 @@
 (objects
+.subList(0, Math.min(100, objects.size()))
 , proper

use subList on input to avoid too many requests