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16 package org.apache.myfaces.custom.navmenu.jscookmenu;
17
18 import org.apache.myfaces.component.html.util.AddResource;
19 import org.apache.myfaces.custom.navmenu.NavigationMenuItem;
20 import org.apache.myfaces.custom.navmenu.NavigationMenuUtils;
21 import org.apache.myfaces.custom.navmenu.UINavigationMenuItem;
22 import org.apache.myfaces.el.SimpleActionMethodBinding;
23 import org.apache.myfaces.renderkit.RendererUtils;
24 import org.apache.myfaces.renderkit.html.HtmlRenderer;
25 import org.apache.myfaces.renderkit.html.util.DummyFormResponseWriter;
26 import org.apache.myfaces.renderkit.html.util.DummyFormUtils;
27 import org.apache.myfaces.renderkit.html.util.JavascriptUtils;
28
29 import javax.faces.component.UIComponent;
30 import javax.faces.context.FacesContext;
31 import javax.faces.context.ResponseWriter;
32 import javax.faces.el.MethodBinding;
33 import javax.faces.el.ValueBinding;
34 import javax.faces.event.ActionEvent;
35 import javax.faces.webapp.UIComponentTag;
36 import java.io.IOException  ;
37 import java.util.List ;
38 import java.util.Map ;
39
40
90 public class HtmlJSCookMenuRenderer
91 extends HtmlRenderer
92 {
93
95 private static final String JSCOOK_ACTION_PARAM = "jscook_action";
96
97 public void decode(FacesContext context, UIComponent component)
98 {
99 RendererUtils.checkParamValidity(context, component, HtmlCommandJSCookMenu.class);
100
101 Map parameter = context.getExternalContext().getRequestParameterMap();
102 String actionParam = (String )parameter.get(JSCOOK_ACTION_PARAM);
103 if (actionParam != null && !actionParam.trim().equals("") &&
104 !actionParam.trim().equals("null"))
105 {
106 String compId = component.getId();
107 int idx = actionParam.indexOf(':');
108 if (idx == -1) {
109 return;
110 }
111 String actionId = actionParam.substring(0, idx);
112 if (! compId.equals(actionId)) {
113 return;
114 }
115 actionParam = actionParam.substring(idx + 1);
116 actionParam = decodeValueBinding(actionParam, context);
117 MethodBinding mb;
118 if (UIComponentTag.isValueReference(actionParam))
119 {
120 mb = context.getApplication().createMethodBinding(actionParam, null);
121 }
122 else
123 {
124 mb = new SimpleActionMethodBinding(actionParam);
125 }
126 ((HtmlCommandJSCookMenu)component).setAction(mb);
127
128 component.queueEvent(new ActionEvent(component));
129 }
130 }
131
132 private String decodeValueBinding(String actionParam, FacesContext context)
133 {
134 int idx = actionParam.indexOf(";#{");
135 if (idx == -1) {
136 return actionParam;
137 }
138
139 String newActionParam = actionParam.substring(0, idx);
140 String vbParam = actionParam.substring(idx + 1);
141
142 idx = vbParam.indexOf('=');
143 if (idx == -1) {
144 return newActionParam;
145 }
146 String vbExpressionString = vbParam.substring(0, idx);
147 String vbValue = vbParam.substring(idx + 1);
148
149 ValueBinding vb =
150 context.getApplication().createValueBinding(vbExpressionString);
151 vb.setValue(context, vbValue);
152
153 return newActionParam;
154 }
155
156 public boolean getRendersChildren()
157 {
158 return true;
159 }
160
161 public void encodeChildren(FacesContext context, UIComponent component) throws IOException
162 {
163 RendererUtils.checkParamValidity(context, component, HtmlCommandJSCookMenu.class);
164
165 List list = NavigationMenuUtils.getNavigationMenuItemList(component);
166 if (list.size() > 0)
167 {
168 List uiNavMenuItemList = component.getChildren();
169 DummyFormResponseWriter dummyFormResponseWriter = DummyFormUtils.getDummyFormResponseWriter(context);
170 dummyFormResponseWriter.addDummyFormParameter(JSCOOK_ACTION_PARAM);
171 dummyFormResponseWriter.setWriteDummyForm(true);
172
173 String myId = component.getId();
174
175 ResponseWriter writer = context.getResponseWriter();
176
177 writer.write("\n<script type=\"text/javascript\"><!--\n" +
178 "var myMenu =\n[");
179 encodeNavigationMenuItems(context, writer,
180 (NavigationMenuItem[]) list.toArray(new NavigationMenuItem[list.size()]),
181 uiNavMenuItemList,
182 myId);
183
184 writer.write("];\n" +
185 "--></script>\n");
186 }
187 }
188
189 private void encodeNavigationMenuItems(FacesContext context,
190 ResponseWriter writer,
191 NavigationMenuItem[] items,
192 List uiNavMenuItemList,
193 String menuId)
194 throws IOException
195 {
196 for (int i = 0; i < items.length; i++)
197 {
198 NavigationMenuItem item = (NavigationMenuItem)items[i];
199 Object tempObj = null;
200 UINavigationMenuItem uiNavMenuItem = null;
201 try {
202 tempObj = uiNavMenuItemList.get(i);
203 } catch (IndexOutOfBoundsException e) {
204 }
205 if (tempObj != null) {
206 if (tempObj instanceof UINavigationMenuItem) {
207 uiNavMenuItem = (UINavigationMenuItem) tempObj;
208 }
209 }
210
211 if (! item.isRendered()) {
212 continue;
213 }
214
215 if (i > 0)
216 {
217 writer.write(",\n");
218 }
219
220 if (item.isSplit())
221 {
222 writer.write("_cmSplit,");
223 }
224
225 writer.write("[");
226 if (item.getIcon() != null)
227 {
228 String iconSrc = context.getApplication().getViewHandler().getResourceURL(context, item.getIcon());
229 writer.write("'<img SRC=\"");
230 writer.write(context.getExternalContext().encodeResourceURL(iconSrc));
231 writer.write("\"/>'");
232 }
233 else
234 {
235 writer.write("''");
236 }
237 writer.write(", '");
238 writer.write(JavascriptUtils.encodeString(item.getLabel()));
239 writer.write("', ");
240 if (item.getAction() != null && ! item.isDisabled())
241 {
242 writer.write("'");
243 writer.write(menuId);
244 writer.write(':');
245 writer.write(item.getAction());
246 if (uiNavMenuItem != null) {
247 encodeValueBinding(writer, uiNavMenuItem, item);
248 }
249 writer.write("'");
250 }
251 else
252 {
253 writer.write("null");
254 }
255 writer.write(", '#', null");
256
257 if (item.isRendered() && ! item.isDisabled()) {
258 NavigationMenuItem[] menuItems = item.getNavigationMenuItems();
260 if (menuItems != null && menuItems.length > 0)
261 {
262 writer.write(",");
263 if (uiNavMenuItem != null)
264 {
265 encodeNavigationMenuItems(context, writer, menuItems,
266 uiNavMenuItem.getChildren(), menuId);
267 }
268 }
269 };
270 writer.write("]");
271 }
272 }
273
274 private void encodeValueBinding(ResponseWriter writer, UINavigationMenuItem uiNavMenuItem,
275 NavigationMenuItem item) throws IOException
276 {
277 ValueBinding vb = uiNavMenuItem.getValueBinding("NavMenuItemValue");
278 if (vb == null) {
279 return;
280 }
281 String vbExpression = vb.getExpressionString();
282 if (vbExpression == null) {
283 return;
284 }
285 Object tempObj = item.getValue();
286 if (tempObj == null) {
287 return;
288 }
289
290 writer.write(";");
291 writer.write(vbExpression);
292 writer.write("=");
293 writer.write(tempObj.toString());
294 }
295
296 public void encodeEnd(FacesContext context, UIComponent component) throws IOException
297 {
298 RendererUtils.checkParamValidity(context, component, HtmlCommandJSCookMenu.class);
299 HtmlCommandJSCookMenu menu = (HtmlCommandJSCookMenu)component;
300
301 AddResource.addJavaScriptToHeader(NavigationMenuItem.class, "jscookmenu/JSCookMenu.js", context);
302
303 AddResource.addJavaScriptToHeader(NavigationMenuItem.class, "jscookmenu/ThemeOffice/theme.js", context);
304 AddResource.addStyleSheet(NavigationMenuItem.class, "jscookmenu/ThemeOffice/theme.css", context);
305
306 AddResource.addJavaScriptToHeader(NavigationMenuItem.class, "jscookmenu/ThemeMiniBlack/theme.js", context);
307 AddResource.addStyleSheet(NavigationMenuItem.class, "jscookmenu/ThemeMiniBlack/theme.css", context);
308
309 AddResource.addJavaScriptToHeader(NavigationMenuItem.class, "jscookmenu/ThemeIE/theme.js", context);
310 AddResource.addStyleSheet(NavigationMenuItem.class, "jscookmenu/ThemeIE/theme.css", context);
311
312 AddResource.addJavaScriptToHeader(NavigationMenuItem.class, "jscookmenu/ThemePanel/theme.js", context);
313 AddResource.addStyleSheet(NavigationMenuItem.class, "jscookmenu/ThemePanel/theme.css", context);
314
315 ResponseWriter writer = context.getResponseWriter();
316
317 String menuId = component.getClientId(context).replaceAll(":","_") + "_menu";
318
319 while(menuId.startsWith("_"))
320 {
321 menuId = menuId.substring(1);
322 }
323
324 writer.write("<div id=\"" + menuId + "\"></div>\n" +
325 "<script type=\"text/javascript\"><!--\n" +
326 "\tcmDraw ('" + menuId + "', myMenu, '" + menu.getLayout() + "', cm" + menu.getTheme() + ", '" + menu.getTheme() + "');\n" +
327 "--></script>\n");
328 }
329
330 }
331 |
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