fi.jasoft.dragdroplayouts.demo.views.DragdropAbsoluteLayoutDemo.java Source code

Java tutorial

Introduction

Here is the source code for fi.jasoft.dragdroplayouts.demo.views.DragdropAbsoluteLayoutDemo.java

Source

/*
 * Copyright 2015 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.dragdroplayouts.demo.views;

import com.vaadin.navigator.Navigator;
import com.vaadin.server.ExternalResource;
import com.vaadin.ui.Button;
import com.vaadin.ui.Button.ClickEvent;
import com.vaadin.ui.Component;
import com.vaadin.ui.Label;
import com.vaadin.ui.Link;
import com.vaadin.ui.Notification;

import fi.jasoft.dragdroplayouts.DDAbsoluteLayout;
import fi.jasoft.dragdroplayouts.client.ui.LayoutDragMode;
import fi.jasoft.dragdroplayouts.demo.DemoView;
import fi.jasoft.dragdroplayouts.drophandlers.DefaultAbsoluteLayoutDropHandler;

public class DragdropAbsoluteLayoutDemo extends DemoView {

    public static final String NAME = "dd-absolute-layout";

    public DragdropAbsoluteLayoutDemo(Navigator navigator) {
        super(navigator);
    }

    @Override
    public Component getLayout() {
        // start-source
        final DDAbsoluteLayout layout = new DDAbsoluteLayout();
        layout.setId("layout");
        layout.setSizeFull();

        // Enable dragging components
        layout.setDragMode(LayoutDragMode.CLONE);

        // Enable dropping components
        layout.setDropHandler(new DefaultAbsoluteLayoutDropHandler());

        // Add some components
        Label lbl = new Label("This is an Absolute layout, you can freely drag the components around");
        layout.addComponent(lbl);
        Button btn = new Button("Button 1", new Button.ClickListener() {
            public void buttonClick(ClickEvent event) {
                Notification.show("Click!");
            }
        });
        btn.setId("button");
        layout.addComponent(btn, "left:50px; top:50px");
        Link link = new Link("A link to Vaadin", new ExternalResource("http://www.vaadin.com"));
        layout.addComponent(link, "left:200px; top:100px");

        // end-source
        return layout;
    }

    @Override
    public String getCaption() {
        return "Absolute layout";
    }

    @Override
    public String getName() {
        return NAME;
    }
}