com.liferay.portlet.nestedportlets.action.ConfigurationActionImpl.java Source code

Introduction

Here is the source code for com.liferay.portlet.nestedportlets.action.ConfigurationActionImpl.java

Source

/**
 * Copyright (c) 2000-2012 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.portlet.nestedportlets.action;

import com.liferay.portal.kernel.exception.PortalException;
import com.liferay.portal.kernel.exception.SystemException;
import com.liferay.portal.kernel.portlet.DefaultConfigurationAction;
import com.liferay.portal.kernel.util.ParamUtil;
import com.liferay.portal.kernel.util.StringPool;
import com.liferay.portal.kernel.util.Validator;
import com.liferay.portal.model.Layout;
import com.liferay.portal.model.LayoutTemplate;
import com.liferay.portal.model.LayoutTypePortlet;
import com.liferay.portal.model.Theme;
import com.liferay.portal.service.LayoutLocalServiceUtil;
import com.liferay.portal.service.LayoutTemplateLocalServiceUtil;
import com.liferay.portal.theme.ThemeDisplay;
import com.liferay.portal.util.PropsValues;
import com.liferay.portal.util.WebKeys;
import com.liferay.portlet.PortletPreferencesFactoryUtil;
import com.liferay.util.UniqueList;

import java.util.HashSet;
import java.util.List;
import java.util.Set;
import java.util.regex.Matcher;
import java.util.regex.Pattern;

import javax.portlet.ActionRequest;
import javax.portlet.ActionResponse;
import javax.portlet.PortletConfig;
import javax.portlet.PortletPreferences;

/**
 * @author Jorge Ferrer
 */
public class ConfigurationActionImpl extends DefaultConfigurationAction {

    @Override
    public void processAction(PortletConfig portletConfig, ActionRequest actionRequest,
            ActionResponse actionResponse) throws Exception {

        String layoutTemplateId = getParameter(actionRequest, "layoutTemplateId");

        String portletResource = ParamUtil.getString(actionRequest, "portletResource");

        PortletPreferences preferences = PortletPreferencesFactoryUtil.getPortletSetup(actionRequest,
                portletResource);

        String oldLayoutTemplateId = preferences.getValue("layoutTemplateId",
                PropsValues.NESTED_PORTLETS_LAYOUT_TEMPLATE_DEFAULT);

        if (!oldLayoutTemplateId.equals(layoutTemplateId)) {
            reorganizeNestedColumns(actionRequest, portletResource, layoutTemplateId, oldLayoutTemplateId);
        }

        super.processAction(portletConfig, actionRequest, actionResponse);
    }

    protected List<String> getColumnNames(String content, String portletId) {
        Matcher matcher = _pattern.matcher(content);

        Set<String> columnIds = new HashSet<String>();

        while (matcher.find()) {
            if (Validator.isNotNull(matcher.group(1))) {
                columnIds.add(matcher.group(1));
            }
        }

        List<String> columnNames = new UniqueList<String>();

        for (String columnId : columnIds) {
            if (columnId.indexOf(portletId) == -1) {
                columnNames.add(portletId + StringPool.UNDERLINE + columnId);
            }
        }

        return columnNames;
    }

    protected void reorganizeNestedColumns(ActionRequest actionRequest, String portletResource,
            String newLayoutTemplateId, String oldLayoutTemplateId) throws PortalException, SystemException {

        ThemeDisplay themeDisplay = (ThemeDisplay) actionRequest.getAttribute(WebKeys.THEME_DISPLAY);

        Layout layout = themeDisplay.getLayout();
        LayoutTypePortlet layoutTypePortlet = themeDisplay.getLayoutTypePortlet();
        Theme theme = themeDisplay.getTheme();

        LayoutTemplate newLayoutTemplate = LayoutTemplateLocalServiceUtil.getLayoutTemplate(newLayoutTemplateId,
                false, theme.getThemeId());

        List<String> newColumns = getColumnNames(newLayoutTemplate.getContent(), portletResource);

        LayoutTemplate oldLayoutTemplate = LayoutTemplateLocalServiceUtil.getLayoutTemplate(oldLayoutTemplateId,
                false, theme.getThemeId());

        List<String> oldColumns = getColumnNames(oldLayoutTemplate.getContent(), portletResource);

        layoutTypePortlet.reorganizePortlets(newColumns, oldColumns);

        layoutTypePortlet.setStateMax(StringPool.BLANK);

        LayoutLocalServiceUtil.updateLayout(layout.getGroupId(), layout.isPrivateLayout(), layout.getLayoutId(),
                layout.getTypeSettings());
    }

    private static Pattern _pattern = Pattern.compile("processColumn[(]\"(.*?)\"(?:, *\"(?:.*?)\")?[)]",
            Pattern.DOTALL);

}