fi.jasoft.draganddrop.demos.ListDemo.java Source code

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Here is the source code for fi.jasoft.draganddrop.demos.ListDemo.java

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/*
 * Copyright 2014 John Ahlroos
 *
 * 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 fi.jasoft.draganddrop.demos;

import java.util.Arrays;
import java.util.List;

import com.vaadin.ui.Component;
import com.vaadin.ui.Label;
import com.vaadin.ui.VerticalLayout;

import fi.jasoft.draganddrop.DragAndDrop;

public class ListDemo extends AbstractDemo {

    @Override
    public String getViewPath() {
        return "list";
    }

    @Override
    public String getViewCaption() {
        return "List reordering";
    }

    @Override
    protected String getDemoDescription() {
        return "Re-prioritize list by drag and dropping items to re-order";
    }

    @Override
    protected Component getDemoContent() {
        // start-source
        // Create shopping list
        VerticalLayout list = new VerticalLayout();
        list.setSpacing(true);

        // Add some items
        List<String> items = Arrays.asList("Carrots", "Apples", "Lemons", "Broccoli", "Ginger");
        for (String caption : items) {
            Label item = new Label(caption);
            item.setStyleName("item");
            list.addComponent(item);
        }

        // Enable drag and drop reordering for the list
        DragAndDrop.enable(list);
        // end-source

        return list;
    }
}