it.alexabbi.aproject.client.ui.second.SecondPageImpl.java Source code

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/*
 * Copyright 2011 Google Inc. All Rights Reserved.
 *
 * 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 it.alexabbi.aproject.client.ui.second;

import java.util.logging.Logger;

import com.google.gwt.core.client.GWT;
import com.google.gwt.event.dom.client.ClickHandler;
import com.google.gwt.event.dom.client.DragOverEvent;
import com.google.gwt.event.dom.client.DragOverHandler;
import com.google.gwt.event.dom.client.DragStartEvent;
import com.google.gwt.event.dom.client.DragStartHandler;
import com.google.gwt.event.dom.client.DropEvent;
import com.google.gwt.event.dom.client.DropHandler;
import com.google.gwt.storage.client.Storage;
import com.google.gwt.uibinder.client.UiBinder;
import com.google.gwt.uibinder.client.UiField;
import com.google.gwt.user.client.ui.Composite;
import com.google.gwt.user.client.ui.HTMLPanel;
import com.google.gwt.user.client.ui.Label;
import com.google.gwt.user.client.ui.Widget;

/**
 * Sample implementation of {@link SecondPage}.
 */
public class SecondPageImpl extends Composite implements SecondPage {

    interface Binder extends UiBinder<Widget, SecondPageImpl> {
    }

    private static final Binder binder = GWT.create(Binder.class);
    private final static Logger logger = Logger.getLogger("SecondPageImpl");
    private Presenter listener;

    private ClickHandler settingsHandler;

    @UiField
    HTMLPanel pannello;
    @UiField
    HTMLPanel pannello2;

    public SecondPageImpl() {
        logger.info("SecondPageImpl");
        initWidget(binder.createAndBindUi(this));

        Storage storage = Storage.getLocalStorageIfSupported();
        if (storage != null) {

            storage.setItem("a", "pippo");
        }

        final String valore = storage.getItem("a");

        final Label label = new Label();
        label.setText("DRAG ME");
        label.getElement().setDraggable("TRUE");
        pannello.add(label);

        label.addDragStartHandler(new DragStartHandler() {

            @Override
            public void onDragStart(DragStartEvent event) {
                event.setData("prova", "DROPPATO");
                //event.getDataTransfer().setDragImage(label, 10, 10);
            }
        });
        final Label label2 = new Label();
        label2.setText("DROP HERE");
        pannello2.add(label2);

        label2.addDragOverHandler(new DragOverHandler() {

            @Override
            public void onDragOver(DragOverEvent event) {

                //label2.getElement().setTitle("cicco");
            }
        });

        label2.addDropHandler(new DropHandler() {

            @Override
            public void onDrop(DropEvent event) {
                // TODO Auto-generated method stub
                event.preventDefault();

                String data = event.getData("prova");
                label2.setText(data);
            }
        });

    }

    @Override
    public void setPresenter(Presenter listener) {
        this.listener = listener;
    }

}