001    /**
002     * Copyright (c) 2000-present Liferay, Inc. All rights reserved.
003     *
004     * This library is free software; you can redistribute it and/or modify it under
005     * the terms of the GNU Lesser General Public License as published by the Free
006     * Software Foundation; either version 2.1 of the License, or (at your option)
007     * any later version.
008     *
009     * This library is distributed in the hope that it will be useful, but WITHOUT
010     * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS
011     * FOR A PARTICULAR PURPOSE. See the GNU Lesser General Public License for more
012     * details.
013     */
014    
015    package com.liferay.portlet.dynamicdatamapping.action;
016    
017    import com.liferay.portal.kernel.exception.PortalException;
018    import com.liferay.portal.kernel.servlet.ServletResponseUtil;
019    import com.liferay.portal.kernel.util.ContentTypes;
020    import com.liferay.portal.kernel.util.ParamUtil;
021    import com.liferay.portal.theme.ThemeDisplay;
022    import com.liferay.portal.util.PortalUtil;
023    import com.liferay.portal.util.WebKeys;
024    import com.liferay.portlet.dynamicdatamapping.io.DDMFormJSONDeserializerUtil;
025    import com.liferay.portlet.dynamicdatamapping.model.DDMForm;
026    import com.liferay.portlet.dynamicdatamapping.model.DDMFormField;
027    import com.liferay.portlet.dynamicdatamapping.render.DDMFormFieldRenderer;
028    import com.liferay.portlet.dynamicdatamapping.render.DDMFormFieldRendererRegistryUtil;
029    import com.liferay.portlet.dynamicdatamapping.render.DDMFormFieldRenderingContext;
030    
031    import java.util.Map;
032    
033    import javax.servlet.http.HttpServletRequest;
034    import javax.servlet.http.HttpServletResponse;
035    
036    import org.apache.struts.action.Action;
037    import org.apache.struts.action.ActionForm;
038    import org.apache.struts.action.ActionForward;
039    import org.apache.struts.action.ActionMapping;
040    
041    /**
042     * @author Bruno Basto
043     */
044    public class RenderStructureFieldAction extends Action {
045    
046            @Override
047            public ActionForward execute(
048                            ActionMapping actionMapping, ActionForm actionForm,
049                            HttpServletRequest request, HttpServletResponse response)
050                    throws Exception {
051    
052                    try {
053                            DDMFormField ddmFormField = getDDMFormField(request);
054    
055                            DDMFormFieldRenderer ddmFormFieldRenderer =
056                                    DDMFormFieldRendererRegistryUtil.getDDMFormFieldRenderer(
057                                            ddmFormField.getType());
058    
059                            DDMFormFieldRenderingContext ddmFormFieldRenderingContext =
060                                    createDDMFormFieldRenderingContext(request, response);
061    
062                            String ddmFormFieldHTML = ddmFormFieldRenderer.render(
063                                    ddmFormField, ddmFormFieldRenderingContext);
064    
065                            response.setContentType(ContentTypes.TEXT_HTML);
066    
067                            ServletResponseUtil.write(response, ddmFormFieldHTML);
068    
069                            return null;
070                    }
071                    catch (Exception e) {
072                            PortalUtil.sendError(e, request, response);
073    
074                            return null;
075                    }
076            }
077    
078            protected DDMFormFieldRenderingContext createDDMFormFieldRenderingContext(
079                    HttpServletRequest request, HttpServletResponse response) {
080    
081                    ThemeDisplay themeDisplay = (ThemeDisplay)request.getAttribute(
082                            WebKeys.THEME_DISPLAY);
083    
084                    String mode = ParamUtil.getString(request, "mode");
085                    String namespace = ParamUtil.getString(request, "namespace");
086                    String portletNamespace = ParamUtil.getString(
087                            request, "portletNamespace");
088                    boolean readOnly = ParamUtil.getBoolean(request, "readOnly");
089    
090                    DDMFormFieldRenderingContext ddmFormFieldRenderingContext =
091                            new DDMFormFieldRenderingContext();
092    
093                    request.setAttribute("aui:form:portletNamespace", portletNamespace);
094    
095                    ddmFormFieldRenderingContext.setHttpServletRequest(request);
096                    ddmFormFieldRenderingContext.setHttpServletResponse(response);
097                    ddmFormFieldRenderingContext.setLocale(themeDisplay.getLocale());
098                    ddmFormFieldRenderingContext.setMode(mode);
099                    ddmFormFieldRenderingContext.setNamespace(namespace);
100                    ddmFormFieldRenderingContext.setPortletNamespace(portletNamespace);
101                    ddmFormFieldRenderingContext.setReadOnly(readOnly);
102    
103                    return ddmFormFieldRenderingContext;
104            }
105    
106            protected DDMFormField getDDMFormField(HttpServletRequest request)
107                    throws PortalException {
108    
109                    String definition = ParamUtil.getString(request, "definition");
110                    String fieldName = ParamUtil.getString(request, "fieldName");
111    
112                    DDMForm ddmForm = DDMFormJSONDeserializerUtil.deserialize(definition);
113    
114                    Map<String, DDMFormField> ddmFormFieldsMap =
115                            ddmForm.getDDMFormFieldsMap(true);
116    
117                    return ddmFormFieldsMap.get(fieldName);
118            }
119    
120    }