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1
24 package org.ofbiz.widget.menu;
25
26 import java.io.IOException  ;
27 import java.io.Writer ;
28 import java.util.HashMap ;
29 import java.util.List ;
30 import java.util.Map ;
31
32 import javax.servlet.http.HttpServletRequest ;
33 import javax.servlet.http.HttpServletResponse ;
34 import javax.servlet.http.HttpSession ;
35
36 import org.ofbiz.base.util.Debug;
37 import org.ofbiz.base.util.GeneralException;
38 import org.ofbiz.base.util.UtilValidate;
39 import org.ofbiz.base.util.template.FreeMarkerWorker;
40 import org.ofbiz.entity.GenericDelegator;
41 import org.ofbiz.entity.GenericValue;
42 import org.ofbiz.webapp.ftl.LoopWriter;
43 import org.ofbiz.widget.WidgetContentWorker;
44 import org.ofbiz.widget.html.HtmlMenuWrapper;
45
46 import freemarker.core.Environment;
47 import freemarker.template.TemplateModelException;
48 import freemarker.template.TemplateTransformModel;
49 import freemarker.template.TransformControl;
50
51
61 public class MenuWrapTransform implements TemplateTransformModel {
62
63 public static final String module = MenuWrapTransform.class.getName();
64 public static final String [] upSaveKeyNames = {"globalNodeTrail"};
65 public static final String [] saveKeyNames = {"contentId", "subContentId", "subDataResourceTypeId", "mimeTypeId", "whenMap", "locale", "wrapTemplateId", "encloseWrapText", "nullThruDatesOnly", "renderOnStart", "renderOnClose", "menuDefFile", "menuName", "associatedContentId", "wrapperClassName"};
66
67
70 public static Object getWrappedObject(String varName, Environment env) {
71 return FreeMarkerWorker.getWrappedObject(varName, env);
72 }
73
74 public static String getArg(Map args, String key, Environment env) {
75 return FreeMarkerWorker.getArg(args, key, env);
76 }
77
78 public static String getArg(Map args, String key, Map ctx) {
79 return FreeMarkerWorker.getArg(args, key, ctx);
80 }
81
82 public Writer getWriter(final Writer out, Map args) {
83 final StringBuffer buf = new StringBuffer ();
84 final Environment env = Environment.getCurrentEnvironment();
85 final Map templateCtx = (Map ) FreeMarkerWorker.getWrappedObject("context", env);
86 final GenericDelegator delegator = (GenericDelegator) FreeMarkerWorker.getWrappedObject("delegator", env);
87 final HttpServletRequest request = (HttpServletRequest ) FreeMarkerWorker.getWrappedObject("request", env);
88 final HttpServletResponse response = (HttpServletResponse ) FreeMarkerWorker.getWrappedObject("response", env);
89 final HttpSession session = (HttpSession ) FreeMarkerWorker.getWrappedObject("session", env);
90 FreeMarkerWorker.getSiteParameters(request, templateCtx);
91 final Map savedValuesUp = new HashMap ();
92 FreeMarkerWorker.saveContextValues(templateCtx, upSaveKeyNames, savedValuesUp);
93 FreeMarkerWorker.overrideWithArgs(templateCtx, args);
94 final GenericValue userLogin = (GenericValue) FreeMarkerWorker.getWrappedObject("userLogin", env);
98 List trail = (List )templateCtx.get("globalNodeTrail");
99 String contentAssocPredicateId = (String )templateCtx.get("contentAssocPredicateId");
100 String strNullThruDatesOnly = (String )templateCtx.get("nullThruDatesOnly");
101 Boolean nullThruDatesOnly = (strNullThruDatesOnly != null && strNullThruDatesOnly.equalsIgnoreCase("true")) ? new Boolean (true) :new Boolean (false);
102 GenericValue val = null;
103 try {
104 if (WidgetContentWorker.contentWorker != null) {
105 val = WidgetContentWorker.contentWorker.getCurrentContentExt(delegator, trail, userLogin, templateCtx, nullThruDatesOnly, contentAssocPredicateId);
106 } else {
107 Debug.logError("Not rendering content, not ContentWorker found.", module);
108 }
109 } catch(GeneralException e) {
110 throw new RuntimeException ("Error getting current content. " + e.toString());
111 }
112 final GenericValue view = val;
113
114 String dataResourceId = null;
115 try {
116 dataResourceId = (String ) view.get("drDataResourceId");
117 } catch (Exception e) {
118 dataResourceId = (String ) view.get("dataResourceId");
119 }
120 String subContentIdSub = (String ) view.get("contentId");
121 String subDataResourceTypeId = (String )templateCtx.get("subDataResourceTypeId");
123 if (UtilValidate.isEmpty(subDataResourceTypeId)) {
124 try {
125 subDataResourceTypeId = (String ) view.get("drDataResourceTypeId");
126 } catch (Exception e) {
127 }
129 }
133 String mimeTypeId = null;
135 if (WidgetContentWorker.contentWorker != null) {
136 mimeTypeId = WidgetContentWorker.contentWorker.getMimeTypeIdExt(delegator, view, templateCtx);
137 } else {
138 Debug.logError("Not rendering content, not ContentWorker found.", module);
139 }
140 templateCtx.put("drDataResourceId", dataResourceId);
141 templateCtx.put("mimeTypeId", mimeTypeId);
142 templateCtx.put("dataResourceId", dataResourceId);
143 templateCtx.put("subContentIdSub", subContentIdSub);
144 templateCtx.put("subDataResourceTypeId", subDataResourceTypeId);
145 final Map savedValues = new HashMap ();
146 FreeMarkerWorker.saveContextValues(templateCtx, saveKeyNames, savedValues);
147
148 return new LoopWriter(out) {
149
150 public int onStart() throws TemplateModelException, IOException {
151 String renderOnStart = (String )templateCtx.get("renderOnStart");
152 if (renderOnStart != null && renderOnStart.equalsIgnoreCase("true")) {
153 renderMenu();
154 }
155 return TransformControl.EVALUATE_BODY;
156 }
157
158 public void write(char cbuf[], int off, int len) {
159 buf.append(cbuf, off, len);
160 }
161
162 public void flush() throws IOException {
163 out.flush();
164 }
165
166 public void close() throws IOException {
167 FreeMarkerWorker.reloadValues(templateCtx, savedValues, env);
168 String wrappedContent = buf.toString();
169 out.write(wrappedContent);
170 String renderOnClose = (String )templateCtx.get("renderOnClose");
171 if (renderOnClose == null || !renderOnClose.equalsIgnoreCase("false")) {
172 renderMenu();
173 }
174 FreeMarkerWorker.reloadValues(templateCtx, savedValuesUp, env);
175 }
176
177 public void renderMenu() throws IOException {
178
179 ModelMenu modelMenu = null;
180 String menuDefFile = (String )templateCtx.get("menuDefFile");
181 String menuName = (String )templateCtx.get("menuName");
182 String menuWrapperClassName = (String )templateCtx.get("menuWrapperClassName");
183 HtmlMenuWrapper menuWrapper = HtmlMenuWrapper.getMenuWrapper(request, response, session, menuDefFile, menuName, menuWrapperClassName);
184 String associatedContentId = (String )templateCtx.get("associatedContentId");
185 menuWrapper.putInContext("defaultAssociatedContentId", associatedContentId);
186 menuWrapper.putInContext("currentValue", view);
187
188 if (menuWrapper == null) {
189 throw new IOException ("HtmlMenuWrapper with def file:" + menuDefFile + " menuName:" + menuName + " and HtmlMenuWrapper class:" + menuWrapperClassName + " could not be instantiated.");
190 }
191 String menuStr = menuWrapper.renderMenuString();
192 out.write(menuStr);
193 return;
194 }
195
196 };
197 }
198 }
199 |
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