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

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Here is the source code for fi.jasoft.dragdroplayouts.demo.views.DragdropVerticalSplitPanelDemo.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.DDHorizontalLayout;
import fi.jasoft.dragdroplayouts.DDVerticalSplitPanel;
import fi.jasoft.dragdroplayouts.client.ui.LayoutDragMode;
import fi.jasoft.dragdroplayouts.demo.DemoView;
import fi.jasoft.dragdroplayouts.drophandlers.DefaultVerticalSplitPanelDropHandler;

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

    public static final String NAME = "dd-vertical-splitpanel";

    private int buttonCount = 1;

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

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

        Label lbl = new Label("On top are some buttons, and below them is a vertical split panel. "
                + "Try dragging the buttons on to the splitpanel. If a component already exists in the SplitPanel it is replaced with the dragged one.");
        root.addComponent(lbl);

        // Add some buttons to a vertical layout with dragging enabled
        final DDHorizontalLayout btns = new DDHorizontalLayout();
        btns.setSpacing(true);
        btns.setDragMode(LayoutDragMode.CLONE);
        String caption = "Button ";
        btns.addComponent(new Button(caption + buttonCount++));
        btns.addComponent(new Button(caption + buttonCount++));
        btns.addComponent(new Button(caption + buttonCount++));
        btns.addComponent(new Button(caption + buttonCount++));
        btns.addComponent(new Button(caption + buttonCount++));
        root.addComponent(btns);

        // Create a drag & drop horizontal split panel
        final DDVerticalSplitPanel panel = new DDVerticalSplitPanel();
        panel.setSizeFull();

        root.addComponent(panel);
        root.setExpandRatio(panel, 1);

        // Enable dragging
        panel.setDragMode(LayoutDragMode.CLONE);

        // Enable dropping
        panel.setDropHandler(new DefaultVerticalSplitPanelDropHandler());
        // end-source
        return root;
    }

    @Override
    public String getCaption() {
        return "Vertical split panel";
    }

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