AbstractPageItemRendererClickListener.java

/*
 * Copyright 2010-2025 James Pether Sörling
 *
 * 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.
 *
 *  $Id$
 *  $HeadURL$
*/
package com.hack23.cia.web.impl.ui.application.views.pageclicklistener;

import java.util.Set;

import com.hack23.cia.web.impl.ui.application.views.common.viewnames.PageMode;
import com.vaadin.event.selection.SelectionEvent;
import com.vaadin.ui.UI;
import com.vaadin.ui.renderers.ClickableRenderer.RendererClickEvent;

/**
 * The class AbstractPageItemRendererClickListener.
 *
 * @param <T>            the generic type
 * @see AbstractPageItemRendererClickEvent
 */
public abstract class AbstractPageItemRendererClickListener<T> implements PageItemRendererClickListener<T> {

    /** The Constant PAGE_SEPARATOR. */
    private static final Character PAGE_SEPARATOR = '/';

    /** The Constant serialVersionUID. */
    private static final long serialVersionUID = 1L;

    /** The page. */
    private final String page;

    /**
     * Instantiates a new abstract page item renderer click listener.
     *
     * @param page
     *            the page
     */
    public AbstractPageItemRendererClickListener(final String page) {
        this.page = page;
    }

    @Override
    public final void click(final RendererClickEvent<T> event) {
        UI.getCurrent().getNavigator().navigateTo(page + PAGE_SEPARATOR + PageMode.OVERVIEW.toString() + PAGE_SEPARATOR +  getPageId(event.getItem()));
    }


    /**
     * Gets the page id.
     *
     * @param t
     *            the t
     * @return the page id
     */
    protected abstract String getPageId(T t);


    @Override
    public final void selectionChange(final SelectionEvent<T> event) {
        final Set<T> added =event.getAllSelectedItems();

        if (!added.isEmpty()) {
            UI.getCurrent().getNavigator().navigateTo(page + PAGE_SEPARATOR + PageMode.OVERVIEW.toString() + PAGE_SEPARATOR + getPageId(added.iterator().next()));

        }
    }

}