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Entando Engine: an agile, modern and user-centric open source Portal platform.
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/*
 * Copyright 2015-Present Entando Inc. (http://www.entando.com) All rights reserved.
 *
 * This library is free software; you can redistribute it and/or modify it under
 * the terms of the GNU Lesser General Public License as published by the Free
 * Software Foundation; either version 2.1 of the License, or (at your option)
 * any later version.
 *
 * This library is distributed in the hope that it will be useful, but WITHOUT
 * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS
 * FOR A PARTICULAR PURPOSE. See the GNU Lesser General Public License for more
 * details.
 */
package com.agiletec.aps.system.services.page;

import java.io.Serializable;
import java.util.Set;

import com.agiletec.aps.system.common.tree.ITreeNode;
import com.agiletec.aps.system.services.pagemodel.PageModel;
import com.agiletec.aps.util.ApsProperties;

/**
 * This class describes a pages of the portal.
 *
 * @author E.Santoboni
 */
public interface IPage extends ITreeNode, Serializable {
    
    public IPage clone();

    /**
     * Returns a properties with the titles of the page, where the keys are the
     * codes of language.
     *
     * @return The page titles
     */
    @Override
    public ApsProperties getTitles();

    /**
     * Returns the title, of the page in the specified language.
     *
     * @param langCode The code of the language.
     * @return The title, of the page.
     */
    @Override
    public String getTitle(String langCode);

    /**
     * Return the model of the associated page
     *
     * @return The page template
     */
    public PageModel getModel();

    /**
     * Return the set of codes of the additional groups authorized to view the
     * page in the front-end.
     *
     * @return The set of codes belonging to the additional group authorized to
     * access the page in the front-end.
     */
    public Set getExtraGroups();

    /**
     * Add a group (code) authorized to view/access the page in the Front-end.
     *
     * @param groupName The group to add.
     */
    @Deprecated
    public void addExtraGroup(String groupName);

    /**
     * Remove a group (code) authorized to view/access the page in the
     * Front-end.
     *
     * @param groupName The group to remove.
     */
    @Deprecated
    public void removeExtraGroup(String groupName);

    public PageMetadata getMetadata();

    public boolean isOnline();

    public boolean isChanged();

    public boolean isOnlineInstance();

    /**
     * This returns a boolean values indicating whether the page is displayed in
     * the menus or similar.
     *
     * @return true if the page must be shown in the menu, false otherwise.
     */
    public boolean isShowable();

    /**
     * This returns a boolean values indicating whether the page use the extra
     * titles extracted from Request Context parameter
     * EXTRAPAR_EXTRA_PAGE_TITLES.
     *
     * @return true if the page must use the extra titles, false otherwise.
     */
    public boolean isUseExtraTitles();

    /**
     * Return the widgets configured in this page.
     *
     * @return all the widgets of the current page
     */
    public Widget[] getWidgets();

    /**
     * Return the mimetype configured for this page.
     *
     * @return the mimetype configured for this page.
     */
    public String getMimeType();

    /**
     * Return the charset configured for this page.
     *
     * @return the charset configured for this page.
     */
    public String getCharset();

    public void setMetadata(PageMetadata metadata);

    public void setWidgets(Widget[] widgets);
}