com.liferay.document.library.web.internal.util.IGUtil.java Source code

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Here is the source code for com.liferay.document.library.web.internal.util.IGUtil.java

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/**
 * Copyright (c) 2000-present Liferay, Inc. 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.liferay.document.library.web.internal.util;

import com.liferay.document.library.kernel.model.DLFolderConstants;
import com.liferay.document.library.kernel.service.DLAppLocalServiceUtil;
import com.liferay.portal.kernel.portlet.LiferayWindowState;
import com.liferay.portal.kernel.portlet.PortletPreferencesFactoryUtil;
import com.liferay.portal.kernel.repository.model.Folder;
import com.liferay.portal.kernel.theme.ThemeDisplay;
import com.liferay.portal.kernel.util.GetterUtil;
import com.liferay.portal.kernel.util.ParamUtil;
import com.liferay.portal.kernel.util.PortalUtil;
import com.liferay.portal.kernel.util.WebKeys;

import java.util.Collections;
import java.util.List;

import javax.portlet.PortletPreferences;
import javax.portlet.PortletURL;
import javax.portlet.RenderResponse;

import javax.servlet.http.HttpServletRequest;

/**
 * @author Brian Wing Shun Chan
 */
public class IGUtil {

    public static void addPortletBreadcrumbEntries(Folder folder, HttpServletRequest request,
            RenderResponse renderResponse) throws Exception {

        String mvcRenderCommandName = ParamUtil.getString(request, "mvcRenderCommandName");

        PortletURL portletURL = renderResponse.createRenderURL();

        if (mvcRenderCommandName.equals("/document_library/select_folder")) {
            ThemeDisplay themeDisplay = (ThemeDisplay) request.getAttribute(WebKeys.THEME_DISPLAY);

            portletURL.setParameter("mvcRenderCommandName", mvcRenderCommandName);
            portletURL.setWindowState(LiferayWindowState.POP_UP);

            PortalUtil.addPortletBreadcrumbEntry(request, themeDisplay.translate("home"), portletURL.toString());
        } else {
            portletURL.setParameter("mvcRenderCommandName", "/image_gallery_display/view");
        }

        long rootFolderId = getRootFolderId(request);

        List<Folder> ancestorFolders = Collections.emptyList();

        if ((folder != null) && (folder.getFolderId() != rootFolderId)) {
            ancestorFolders = folder.getAncestors();

            int indexOfRootFolder = -1;

            for (int i = 0; i < ancestorFolders.size(); i++) {
                Folder ancestorFolder = ancestorFolders.get(i);

                if (rootFolderId == ancestorFolder.getFolderId()) {
                    indexOfRootFolder = i;
                }
            }

            if (indexOfRootFolder > -1) {
                ancestorFolders = ancestorFolders.subList(0, indexOfRootFolder);
            }
        }

        Collections.reverse(ancestorFolders);

        for (Folder ancestorFolder : ancestorFolders) {
            portletURL.setParameter("folderId", String.valueOf(ancestorFolder.getFolderId()));

            PortalUtil.addPortletBreadcrumbEntry(request, ancestorFolder.getName(), portletURL.toString());
        }

        portletURL.setParameter("folderId", String.valueOf(folder.getFolderId()));

        PortalUtil.addPortletBreadcrumbEntry(request, folder.getName(), portletURL.toString());
    }

    public static void addPortletBreadcrumbEntries(long folderId, HttpServletRequest request,
            RenderResponse renderResponse) throws Exception {

        if (folderId == DLFolderConstants.DEFAULT_PARENT_FOLDER_ID) {
            return;
        }

        Folder folder = DLAppLocalServiceUtil.getFolder(folderId);

        addPortletBreadcrumbEntries(folder, request, renderResponse);
    }

    protected static long getRootFolderId(HttpServletRequest request) throws Exception {

        PortletPreferences portletPreferences = PortletPreferencesFactoryUtil.getPortletPreferences(request,
                PortalUtil.getPortletId(request));

        return GetterUtil.getLong(portletPreferences.getValue("rootFolderId",
                String.valueOf(DLFolderConstants.DEFAULT_PARENT_FOLDER_ID)));
    }

}