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

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Here is the source code for fi.jasoft.dragdroplayouts.demo.views.DragdropAccordionDemo.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.DDAccordion;
import fi.jasoft.dragdroplayouts.DDHorizontalLayout;
import fi.jasoft.dragdroplayouts.client.ui.LayoutDragMode;
import fi.jasoft.dragdroplayouts.demo.DemoView;
import fi.jasoft.dragdroplayouts.drophandlers.DefaultAccordionDropHandler;

@SuppressWarnings("serial")
public class DragdropAccordionDemo extends DemoView {

    public static final String NAME = "dd-accordion";

    private static final float EQUAL_DROP_RATIO = 0.5f;

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

    @Override
    public Component getLayout() {
        // start-source
        VerticalLayout v = new VerticalLayout();
        v.setSizeFull();
        v.setSpacing(true);

        Label lb = new Label(
                "This demo shows you how you can drag components into a Accordion and reorder the tabs. "
                        + "Try dragging some Buttons on to the accordion to add them as tabs. You can "
                        + "reorder the tabs by dragging on them");
        v.addComponent(lb);

        // Add some buttons to a vertical layout with dragging enabled
        final DDHorizontalLayout btns = new DDHorizontalLayout();
        btns.setSpacing(true);
        btns.setDragMode(LayoutDragMode.CLONE);
        btns.addComponent(new Button("One Button"));
        btns.addComponent(new Button("Second Button"));
        btns.addComponent(new Button("Third Button"));
        btns.addComponent(new Button("Fourth Button"));
        btns.addComponent(new Button("Fifth Button"));
        v.addComponent(btns);

        // Create an Accordion
        final DDAccordion acc = new DDAccordion();
        acc.setSizeFull();

        acc.setDragMode(LayoutDragMode.CLONE);

        acc.setComponentVerticalDropRatio(EQUAL_DROP_RATIO);

        acc.setDropHandler(new DefaultAccordionDropHandler());

        // Add a tab to the accordion
        VerticalLayout layout = new VerticalLayout();
        layout.setCaption("Tab 1");
        layout.addComponent(new Label("This is an example tab already in the accordion."));
        acc.addComponent(layout);

        layout = new VerticalLayout();
        layout.setCaption("Tab 2");
        layout.addComponent(new Label("This is an example tab already in the accordion."));
        acc.addComponent(layout);

        layout = new VerticalLayout();
        layout.setCaption("Tab 3");
        layout.addComponent(new Label("This is an example tab already in the accordion."));
        acc.addComponent(layout);

        v.addComponent(acc);
        v.setExpandRatio(acc, 1);

        // end-source
        return v;
    }

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

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