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1 package fr.improve.struts.taglib.layout;
2
3 import javax.servlet.http.HttpServletResponse  ;
4 import javax.servlet.jsp.JspException ;
5 import javax.servlet.jsp.PageContext ;
6
7 import org.apache.struts.config.ActionConfig;
8 import org.apache.struts.config.ModuleConfig;
9 import org.apache.struts.taglib.html.Constants;
10
11 import fr.improve.struts.taglib.layout.el.Expression;
12 import fr.improve.struts.taglib.layout.event.EndLayoutEvent;
13 import fr.improve.struts.taglib.layout.event.StartLayoutEvent;
14 import fr.improve.struts.taglib.layout.util.FormUtilsInterface;
15 import fr.improve.struts.taglib.layout.util.LayoutUtils;
16 import fr.improve.struts.taglib.layout.util.TagUtils;
17
18
24 public class FormTag extends PanelTag {
25 protected String acceptCharset = null;
26
27 protected String action = null;
28 protected String enctype = null;
29
30 protected String focus = null;
31 protected String editFocus = null;
32 protected String inspectFocus = null;
33 protected String createFocus = null;
34 protected String jspFocus = null;
35
36
37 protected String method = "POST";
38 protected String onreset = null;
39 protected String onsubmit = null;
40 protected String onkeypress = null;
41 protected String scope = "session";
42 protected String style = null;
43 protected String target = null;
44 protected String type = null;
45 protected String reqCode = null;
46
47 protected String styleId;
48
49
54 protected String scheme;
55
56 protected org.apache.struts.taglib.html.FormTag formTag = new SchemeFormTag();
57
58 protected int mode = FormUtilsInterface.EDIT_MODE;
59
60
63 public static final int CREATE_MODE = FormUtilsInterface.CREATE_MODE;
64
65
68 public static final int EDIT_MODE = FormUtilsInterface.EDIT_MODE;
69
70
73 public static final int INSPECT_MODE = FormUtilsInterface.INSPECT_MODE;
74
75
78 protected boolean layout = true;
79
80
83 private class SchemeFormTag extends org.apache.struts.taglib.html.FormTag {
84
87 protected void renderAction(StringBuffer results) {
88 String schemeNow = Expression.evaluate(scheme, this.pageContext);
89 if (schemeNow==null || schemeNow.length()==0) {
90 super.renderAction(results);
92 } else {
93 HttpServletResponse response = (HttpServletResponse ) this.pageContext.getResponse();
95
96 String host = this.pageContext.getRequest().getServerName();
97 String action = TagUtils.getActionMappingURL(this.action, this.pageContext);
98
99 results.append(" action=\"");
100 results.append(
101 response.encodeURL(schemeNow + "://" + host + action));
102 results.append("\"");
103 }
104 }
105 }
106
107 public FormTag() {
108 super();
109 }
111
112 public int doEndLayoutTag() throws JspException {
113 if (layout) {
114 StringBuffer buffer = new StringBuffer ();
115 doPrintBlankLine(buffer);
116 doAfterBody(buffer);
117 TagUtils.write(pageContext, buffer.toString());
118 buffer.setLength(0);
119 doEndPanel(buffer);
120 TagUtils.write(pageContext, buffer.toString());
121 doEndLayout();
122 }
123
124 int ret = formTag.doEndTag();
125 formTag.release();
126 if(getOnkeypress()!=null && getOnkeypress().length()!=0){
127 TagUtils.write(pageContext,"<script language=\"javaScript\">document.forms['" + formTag.getBeanName() + "'].onkeypress="+ getOnkeypress() +";</script>");
128 }
129 return ret;
130 }
131
132 public int doStartLayoutTag() throws JspException {
133 LayoutUtils.copyProperties(formTag,this);
135
136 int ret = formTag.doStartTag();
138
139 StringBuffer buffer = null;
141 if (layout) {
142 doStartLayout();
143 buffer = new StringBuffer ("\n");
144 doStartPanel(buffer);
145 TagUtils.write(pageContext,buffer.toString());
146 }
147
148
149 mode = getSkin().getFormUtils().getFormDisplayMode(pageContext);
151 computeDisplayMode();
152
153 if (layout) {
154 buffer.setLength(0);
155 }
156 processRequestCode(buffer);
158
159 processKey();
161
162 processFocus();
164
165 if (layout) {
166 doPrintTitle(buffer);
167 doBeforeBody(buffer);
168 doPrintBlankLine(buffer);
169 TagUtils.write(pageContext,buffer.toString());
170 }
171 return ret;
172 }
173
174
177 protected void processRequestCode(StringBuffer buffer) throws JspException {
178 if (reqCode!=null) {
179 try {
180 String parameter = computeActionParameter(pageContext, action);
181
182 if (parameter!=null) {
184 buffer.append("<input type=\"hidden\" name=\"");
185 buffer.append(parameter);
186 buffer.append("\" value=\"");
187 buffer.append(reqCode);
188 buffer.append("\">\n");
189 }
190 } catch (Exception e) {
191 JspException jspe = new JspException ("BaseHandlerTag - cannot acces the DispatchAction parameter: " + e.getMessage() + "(" + e.getClass().getName() + ")");
192 TagUtils.saveException(pageContext, jspe);
193 throw jspe;
194 }
195 }
196 }
197
198
201 public static String computeActionParameter(PageContext in_pageContext, String in_actionName) {
202 String value = computeActionName(in_actionName);
203 ModuleConfig lc_moduleConfig = TagUtils.getModuleConfig(in_pageContext);
204 ActionConfig lc_actionConfig = lc_moduleConfig.findActionConfig(value);
205 String parameter = lc_actionConfig.getParameter();
206 return parameter;
207 }
208
209
212 public static String computeActionParameter(PageContext in_pageContext) {
213 org.apache.struts.taglib.html.FormTag lc_strutsFormTag = findFormTag(in_pageContext);
214 String action = lc_strutsFormTag==null ? "" : lc_strutsFormTag.getAction();
215 String parameter = FormTag.computeActionParameter(in_pageContext, action);
216 return parameter;
217 }
218
219 private static org.apache.struts.taglib.html.FormTag findFormTag(PageContext in_pageContext) {
220 org.apache.struts.taglib.html.FormTag lc_strutsFormTag = (org.apache.struts.taglib.html.FormTag) in_pageContext.findAttribute(Constants.FORM_KEY);
221 if (lc_strutsFormTag==null && !LayoutUtils.getNoErrorMode()) {
222 throw new IllegalStateException ("reqCode can not be set if tag is not inside a form tag");
223 }
224 return lc_strutsFormTag;
225 }
226
227
230 public static String computeFormName(PageContext in_pageContext) {
231 org.apache.struts.taglib.html.FormTag lc_strutsFormTag = findFormTag(in_pageContext);
232 return lc_strutsFormTag.getBeanName();
233 }
234
235
238 protected static String computeActionName(String in_actionName) {
239 return TagUtils.getActionMappingName(in_actionName);
240 }
241
242
245 protected void processKey() {
246 if (key!=null && LayoutUtils.getUseFormDisplayMode()) {
247 switch (mode) {
248 case FormUtilsInterface.EDIT_MODE:
249 key = key + ".edit";
250 break;
251 case FormUtilsInterface.CREATE_MODE:
252 key = key + ".create";
253 break;
254 case FormUtilsInterface.INSPECT_MODE:
255 key = key + ".inspect";
256 }
257 }
258 }
259
260
263 protected void processFocus() {
264 switch (mode) {
265 case FormUtilsInterface.EDIT_MODE:
266 if (editFocus!=null) {
267 formTag.setFocus(editFocus);
268 }
269 break;
270 case FormUtilsInterface.INSPECT_MODE:
271 if (inspectFocus!=null) {
272 formTag.setFocus(inspectFocus);
273 }
274 break;
275 case FormUtilsInterface.CREATE_MODE:
276 if (createFocus!=null) {
277 formTag.setFocus(createFocus);
278 }
279 break;
280 }
281 }
282
283 public String getAction() {
284 return action;
285 }
286 public int getDisplayMode() { return mode; }
287 public String getEnctype() {
288 return enctype;
289 }
290 public String getFocus() {
291 return focus;
292 }
293 public String getMethod() {
294 return method;
295 }
296 public String getOnreset() {
297 return onreset;
298 }
299 public String getOnsubmit() {
300 return onsubmit;
301 }
302 public String getOnkeypress() {
303 return onkeypress;
304 }
305 public String getScope() {
306 return scope;
307 }
308 public String getReqCode() {
309 return reqCode;
310 }
311 public String getStyle() {
312 return style;
313 }
314 public String getTarget() {
315 return target;
316 }
317 public String getType() {
318 return type;
319 }
320 public void release() {
321 super.release();
322 acceptCharset = null;
323 action = null;
324 method = null;
325 scope = null;
326 mode = FormUtilsInterface.EDIT_MODE;
328 reqCode = null;
329 onkeypress = null;
330 onreset = null;
331 onsubmit = null;
332
333 focus = null;
334 editFocus = null;
335 createFocus = null;
336 inspectFocus = null;
337 jspFocus = null;
338 styleId = null;
339 scheme = null;
340
341 layout = true;
342
343 formTag.release();
344 }
345
349 public void setAction(String action) {
350 this.action = action;
351 if (LayoutUtils.getNoErrorMode()) this.action = "/default";
352
353 }
354 public void setEnctype(String enctype) {
355 this.enctype = enctype;
356 }
357 public void setFocus(String focus) {
358 this.focus = focus;
359 }
360 public void setMethod(String method) {
361 this.method = method;
362 }
363 public void setOnreset(String onreset) {
364 this.onreset = onreset;
365 }
366 public void setOnsubmit(String onsubmit) {
367 this.onsubmit = onsubmit;
368 }
369 public void setOnkeypress(String onkeypress) {
370 this.onkeypress = onkeypress;
371 }
372 public void setReqCode(String reqCode) {
373 this.reqCode = reqCode;
374 }
375 public void setScope(String scope) {
376 this.scope = scope;
377 }
378 public void setStyle(String style) {
379 this.style = style;
380 }
381 public void setTarget(String target) {
382 this.target = target;
383 }
384 public void setType(String type) {
385 this.type = type;
386 }
387
391 public String getCreateFocus() {
392 return createFocus;
393 }
394
395
399 public String getEditFocus() {
400 return editFocus;
401 }
402
403
407 public String getInspectFocus() {
408 return inspectFocus;
409 }
410
411
415 public void setCreateFocus(String createFocus) {
416 this.createFocus = createFocus;
417 }
418
419
423 public void setEditFocus(String editFocus) {
424 this.editFocus = editFocus;
425 }
426
427
431 public void setInspectFocus(String inspectFocus) {
432 this.inspectFocus = inspectFocus;
433 }
434
435 protected void initDynamicValues() {
436 super.initDynamicValues();
438
439 jspFocus = focus;
441 focus = Expression.evaluate(focus, pageContext);
442 }
443 protected void reset() {
444 focus = jspFocus;
446 jspFocus = null;
447
448 super.reset();
450 }
451
452 public String getStyleId() {
453 return styleId;
454 }
455
456 public void setStyleId(String styleId) {
457 this.styleId = styleId;
458 }
459
460 public String getAcceptCharset() {
461 return acceptCharset;
462 }
463
464 public void setAcceptCharset(String acceptCharset) {
465 this.acceptCharset = acceptCharset;
466 }
467
468 public String getScheme() {
469 return scheme;
470 }
471
472 public void setScheme(String scheme) {
473 this.scheme = scheme;
474 }
475
476 public boolean isLayout() {
477 return layout;
478 }
479
480 public void setLayout(boolean layout) {
481 this.layout = layout;
482 }
483
484 public Object processEndLayoutEvent(EndLayoutEvent in_event) throws JspException {
485 if (layout) {
486 return super.processEndLayoutEvent(in_event);
487 } else {
488 return Boolean.FALSE;
489 }
490 }
491
492 public Object processStartLayoutEvent(StartLayoutEvent in_event) throws JspException {
493 if (layout) {
494 return super.processStartLayoutEvent(in_event);
495 } else {
496 return Boolean.FALSE;
497 }
498 }
499 }
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