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

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Here is the source code for fi.jasoft.dragdroplayouts.demo.views.DragdropLayoutDraggingDemo.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.ui.Button;
import com.vaadin.ui.Component;
import com.vaadin.ui.Label;
import com.vaadin.ui.VerticalLayout;

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 DragdropLayoutDraggingDemo extends DemoView {

    public static final String NAME = "dd-dragging-layouts";

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

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

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

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

        // Add some components
        layout.addComponent(new Label(
                "This demo shows how you can drag a layout with buttons in it. Try to drag the button group to see what happens"),
                "left:5px;top:5px");

        // A vertical layout which has dragging turned off by default
        VerticalLayout buttons = new VerticalLayout();
        buttons.setSizeUndefined();
        buttons.setCaption("Button group");
        buttons.setSpacing(true);
        buttons.addComponent(new Button("Button1"));
        buttons.addComponent(new Button("Button2"));
        buttons.addComponent(new Button("Button3"));
        buttons.addComponent(new Button("Button4"));

        layout.addComponent(buttons, "left:50px;top:50px");
        // end-source
        return layout;
    }

    @Override
    public String getCaption() {
        return "Dragging inner layouts";
    }

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