GenericItemUIProvider.java

/**
 * Copyright (c) 2014-2017 by the respective copyright holders.
 * All rights reserved. This program and the accompanying materials
 * are made available under the terms of the Eclipse Public License v1.0
 * which accompanies this distribution, and is available at
 * http://www.eclipse.org/legal/epl-v10.html
 */
package org.eclipse.smarthome.ui.internal.items;

import org.eclipse.smarthome.core.items.Item;
import org.eclipse.smarthome.core.items.ItemRegistry;
import org.eclipse.smarthome.model.core.ModelRepository;
import org.eclipse.smarthome.model.items.ItemModel;
import org.eclipse.smarthome.model.items.ModelItem;
import org.eclipse.smarthome.model.sitemap.Widget;
import org.eclipse.smarthome.ui.items.ItemUIProvider;

public class GenericItemUIProvider implements ItemUIProvider {

    private ModelRepository modelRepository = null;
    private ItemRegistry itemRegistry = null;

    public void setModelRepository(ModelRepository modelRepository) {
        this.modelRepository = modelRepository;
    }

    public void unsetModelRepository(ModelRepository modelRepository) {
        this.modelRepository = null;
    }

    public void setItemRegistry(ItemRegistry itemRegistry) {
        this.itemRegistry = itemRegistry;
    }

    public void unsetItemRegistry(ItemRegistry itemRegistry) {
        this.itemRegistry = null;
    }

    @Override
    public String getCategory(String itemName) {
        ModelItem item = getItem(itemName);
        return item != null ? item.getIcon() : null;
    }

    @Override
    public String getLabel(String itemName) {
        if (itemRegistry != null) {
            Item item = itemRegistry.get(itemName);
            return item != null ? item.getLabel() : null;
        }
        return null;
    }

    @Override
    public Widget getWidget(String itemName) {
        return null;
    }

    @Override
    public Widget getDefaultWidget(Class<? extends org.eclipse.smarthome.core.items.Item> itemType, String itemName) {
        return null;
    }

    public ModelItem getItem(String itemName) {
        if (itemName != null && modelRepository != null) {
            for (String modelName : modelRepository.getAllModelNamesOfType("items")) {
                ItemModel model = (ItemModel) modelRepository.getModel(modelName);
                for (ModelItem item : model.getItems()) {
                    if (itemName.equals(item.getName()))
                        return item;
                }
            }
        }
        return null;
    }

}