DragAndDropScreen.java

/*
 * Copyright 2016 Red Hat, Inc. and/or its affiliates.
 *
 * 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 org.uberfire.wbtest.client.dnd;

import javax.enterprise.context.Dependent;
import javax.inject.Inject;
import javax.inject.Named;

import com.google.gwt.event.dom.client.ClickEvent;
import com.google.gwt.event.dom.client.ClickHandler;
import com.google.gwt.user.client.ui.FlowPanel;
import com.google.gwt.user.client.ui.IsWidget;
import com.google.gwt.user.client.ui.Label;
import org.uberfire.client.mvp.PlaceManager;
import org.uberfire.client.util.Layouts;
import org.uberfire.mvp.PlaceRequest;
import org.uberfire.wbtest.client.api.AbstractTestScreenActivity;

@Dependent
@Named("org.uberfire.wbtest.client.dnd.DragAndDropScreen")
public class DragAndDropScreen extends AbstractTestScreenActivity {

    private final FlowPanel panel = new FlowPanel();
    private final Label label = new Label();
    private String debugId;

    @Inject
    public DragAndDropScreen(PlaceManager placeManager) {
        super(placeManager);
    }

    @Override
    public void onStartup(PlaceRequest place) {
        super.onStartup(place);
        debugId = place.getParameter("debugId",
                                     "default");

        label.setText("DnD screen " + debugId);
        label.addClickHandler(new ClickHandler() {
            @Override
            public void onClick(ClickEvent event) {
                System.out.println(Layouts.getContainmentHierarchy(label));
            }
        });

        panel.getElement().setId("DragAndDropScreen-" + debugId);
        panel.add(label);
    }

    @Override
    public String getTitle() {
        return "DnD-" + debugId;
    }

    @Override
    public IsWidget getWidget() {
        return panel;
    }
}