me.uni.emuseo.view.common.helpers.ConfirmationWindow.java Source code

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Here is the source code for me.uni.emuseo.view.common.helpers.ConfirmationWindow.java

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/*******************************************************************************
 * Copyright (c) 2016 Darian Jakubik.
 * All rights reserved. This program and the accompanying materials
 * are made available under the terms of the GNU Lesser Public License v2.1
 * which accompanies this distribution, and is available at
 * http://www.gnu.org/licenses/old-licenses/gpl-2.0.html
 * 
 * Contributors:
 *     Darian Jakubik - initial API and implementation
 ******************************************************************************/
package me.uni.emuseo.view.common.helpers;

import com.vaadin.ui.Button;
import com.vaadin.ui.Button.ClickEvent;
import com.vaadin.ui.Button.ClickListener;
import com.vaadin.ui.HorizontalLayout;
import com.vaadin.ui.Label;
import com.vaadin.ui.VerticalLayout;
import com.vaadin.ui.Window;

public abstract class ConfirmationWindow extends Window {
    /**
     * 
     */
    private static final long serialVersionUID = 40237784324055506L;
    protected Button confirmButton;
    protected Button cancelButton;
    protected VerticalLayout windowLayout;
    protected HorizontalLayout buttonLayout;

    public ConfirmationWindow(String caption, String info) {
        super(caption);
        setSizeUndefined();
        setResizable(false);
        windowLayout = new VerticalLayout();

        Label infoLabel = new Label(info);
        buildButtons();

        windowLayout.addComponent(infoLabel);
        windowLayout.addComponent(buttonLayout);
        windowLayout.setMargin(true);
        setContent(windowLayout);
        setModal(true);
    }

    private void buildButtons() {
        ClickListener clickListener = new ClickListener() {

            private static final long serialVersionUID = 5320702365033343873L;

            @Override
            public void buttonClick(ClickEvent event) {
                Button button = event.getButton();
                if (button.equals(confirmButton)) {
                    confirm();
                } else if (button.equals(cancelButton)) {
                    onCancel();
                }
            }
        };
        buttonLayout = new HorizontalLayout();
        confirmButton = new Button("Tak");
        confirmButton.addStyleName("primary");
        confirmButton.addClickListener(clickListener);
        cancelButton = new Button("Nie");
        cancelButton.addStyleName("primary");
        cancelButton.addClickListener(clickListener);
        buttonLayout.addComponent(confirmButton);
        buttonLayout.addComponent(cancelButton);
        buttonLayout.setSpacing(true);
        buttonLayout.addStyleName("form-buttons");
    }

    @Override
    public void close() {
        onCancel();
    }

    protected void onCancel() {
        super.close();
    }

    protected void confirm() {
        if (onConfirm()) {
            super.close();
        }
    }

    protected boolean onConfirm() {
        return true;
    };

}