ELButtonTag


1   /*
2    * $Id: ELButtonTag.java 123585 2004-12-29 00:43:33Z martinc $ 
3    *
4    * Copyright 1999-2004 The Apache Software Foundation.
5    * 
6    * Licensed under the Apache License, Version 2.0 (the "License");
7    * you may not use this file except in compliance with the License.
8    * You may obtain a copy of the License at
9    * 
10   *      http://www.apache.org/licenses/LICENSE-2.0
11   * 
12   * Unless required by applicable law or agreed to in writing, software
13   * distributed under the License is distributed on an "AS IS" BASIS,
14   * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
15   * See the License for the specific language governing permissions and
16   * limitations under the License.
17   */
18  
19  package org.apache.strutsel.taglib.html;
20  
21  import org.apache.struts.taglib.html.ButtonTag;
22  import javax.servlet.jsp.JspException  ;
23  import org.apache.strutsel.taglib.utils.EvalHelper;
24  
25  /**
26   * Renders an HTML BUTTON tag within the Struts framework.
27   *<p>
28   * This class is a subclass of the class
29   * <code>org.apache.struts.taglib.html.ButtonTag</code> which provides most of
30   * the described functionality.  This subclass allows all attribute values to
31   * be specified as expressions utilizing the JavaServer Pages Standard Library
32   * expression language.
33   *
34   * @version $Rev: 123585 $
35   */
36  public class ELButtonTag extends ButtonTag {
37  
38      /**
39       * Instance variable mapped to "accessKey" tag attribute.
40       * (Mapping set in associated BeanInfo class.)
41       */
42      private String   accessKeyExpr;
43      /**
44       * Instance variable mapped to "alt" tag attribute.
45       * (Mapping set in associated BeanInfo class.)
46       */
47      private String   altExpr;
48      /**
49       * Instance variable mapped to "altKey" tag attribute.
50       * (Mapping set in associated BeanInfo class.)
51       */
52      private String   altKeyExpr;
53      /**
54       * Instance variable mapped to "bundle" tag attribute.
55       * (Mapping set in associated BeanInfo class.)
56       */
57      private String   bundleExpr;
58      /**
59       * Instance variable mapped to "disabled" tag attribute.
60       * (Mapping set in associated BeanInfo class.)
61       */
62      private String   disabledExpr;
63      /**
64       * Instance variable mapped to "indexed" tag attribute.
65       * (Mapping set in associated BeanInfo class.)
66       */
67      private String   indexedExpr;
68      /**
69       * Instance variable mapped to "onblur" tag attribute.
70       * (Mapping set in associated BeanInfo class.)
71       */
72      private String   onblurExpr;
73      /**
74       * Instance variable mapped to "onchange" tag attribute.
75       * (Mapping set in associated BeanInfo class.)
76       */
77      private String   onchangeExpr;
78      /**
79       * Instance variable mapped to "onclick" tag attribute.
80       * (Mapping set in associated BeanInfo class.)
81       */
82      private String   onclickExpr;
83      /**
84       * Instance variable mapped to "ondblclick" tag attribute.
85       * (Mapping set in associated BeanInfo class.)
86       */
87      private String   ondblclickExpr;
88      /**
89       * Instance variable mapped to "onfocus" tag attribute.
90       * (Mapping set in associated BeanInfo class.)
91       */
92      private String   onfocusExpr;
93      /**
94       * Instance variable mapped to "onkeydown" tag attribute.
95       * (Mapping set in associated BeanInfo class.)
96       */
97      private String   onkeydownExpr;
98      /**
99       * Instance variable mapped to "onkeypress" tag attribute.
100      * (Mapping set in associated BeanInfo class.)
101      */
102     private String   onkeypressExpr;
103     /**
104      * Instance variable mapped to "onkeyup" tag attribute.
105      * (Mapping set in associated BeanInfo class.)
106      */
107     private String   onkeyupExpr;
108     /**
109      * Instance variable mapped to "onmousedown" tag attribute.
110      * (Mapping set in associated BeanInfo class.)
111      */
112     private String   onmousedownExpr;
113     /**
114      * Instance variable mapped to "onmousemove" tag attribute.
115      * (Mapping set in associated BeanInfo class.)
116      */
117     private String   onmousemoveExpr;
118     /**
119      * Instance variable mapped to "onmouseout" tag attribute.
120      * (Mapping set in associated BeanInfo class.)
121      */
122     private String   onmouseoutExpr;
123     /**
124      * Instance variable mapped to "onmouseover" tag attribute.
125      * (Mapping set in associated BeanInfo class.)
126      */
127     private String   onmouseoverExpr;
128     /**
129      * Instance variable mapped to "onmouseup" tag attribute.
130      * (Mapping set in associated BeanInfo class.)
131      */
132     private String   onmouseupExpr;
133     /**
134      * Instance variable mapped to "property" tag attribute.
135      * (Mapping set in associated BeanInfo class.)
136      */
137     private String   propertyExpr;
138     /**
139      * Instance variable mapped to "style" tag attribute.
140      * (Mapping set in associated BeanInfo class.)
141      */
142     private String   styleExpr;
143     /**
144      * Instance variable mapped to "styleClass" tag attribute.
145      * (Mapping set in associated BeanInfo class.)
146      */
147     private String   styleClassExpr;
148     /**
149      * Instance variable mapped to "styleId" tag attribute.
150      * (Mapping set in associated BeanInfo class.)
151      */
152     private String   styleIdExpr;
153     /**
154      * Instance variable mapped to "tabindex" tag attribute.
155      * (Mapping set in associated BeanInfo class.)
156      */
157     private String   tabindexExpr;
158     /**
159      * Instance variable mapped to "title" tag attribute.
160      * (Mapping set in associated BeanInfo class.)
161      */
162     private String   titleExpr;
163     /**
164      * Instance variable mapped to "titleKey" tag attribute.
165      * (Mapping set in associated BeanInfo class.)
166      */
167     private String   titleKeyExpr;
168     /**
169      * Instance variable mapped to "value" tag attribute.
170      * (Mapping set in associated BeanInfo class.)
171      */
172     private String   valueExpr;
173 
174     /**
175      * Getter method for "accessKey" tag attribute.
176      * (Mapping set in associated BeanInfo class.)
177      */
178     public String   getAccesskeyExpr() { return (accessKeyExpr); }
179     /**
180      * Getter method for "alt" tag attribute.
181      * (Mapping set in associated BeanInfo class.)
182      */
183     public String   getAltExpr() { return (altExpr); }
184     /**
185      * Getter method for "altKey" tag attribute.
186      * (Mapping set in associated BeanInfo class.)
187      */
188     public String   getAltKeyExpr() { return (altKeyExpr); }
189     /**
190      * Getter method for "bundle" tag attribute.
191      * (Mapping set in associated BeanInfo class.)
192      */
193     public String   getBundleExpr() { return (bundleExpr); }
194     /**
195      * Getter method for "disabled" tag attribute.
196      * (Mapping set in associated BeanInfo class.)
197      */
198     public String   getDisabledExpr() { return (disabledExpr); }
199     /**
200      * Getter method for "indexed" tag attribute.
201      * (Mapping set in associated BeanInfo class.)
202      */
203     public String   getIndexedExpr() { return (indexedExpr); }
204     /**
205      * Getter method for "onblur" tag attribute.
206      * (Mapping set in associated BeanInfo class.)
207      */
208     public String   getOnblurExpr() { return (onblurExpr); }
209     /**
210      * Getter method for "onchange" tag attribute.
211      * (Mapping set in associated BeanInfo class.)
212      */
213     public String   getOnchangeExpr() { return (onchangeExpr); }
214     /**
215      * Getter method for "onclick" tag attribute.
216      * (Mapping set in associated BeanInfo class.)
217      */
218     public String   getOnclickExpr() { return (onclickExpr); }
219     /**
220      * Getter method for "ondblclick" tag attribute.
221      * (Mapping set in associated BeanInfo class.)
222      */
223     public String   getOndblclickExpr() { return (ondblclickExpr); }
224     /**
225      * Getter method for "onfocus" tag attribute.
226      * (Mapping set in associated BeanInfo class.)
227      */
228     public String   getOnfocusExpr() { return (onfocusExpr); }
229     /**
230      * Getter method for "onkeydown" tag attribute.
231      * (Mapping set in associated BeanInfo class.)
232      */
233     public String   getOnkeydownExpr() { return (onkeydownExpr); }
234     /**
235      * Getter method for "onkeypress" tag attribute.
236      * (Mapping set in associated BeanInfo class.)
237      */
238     public String   getOnkeypressExpr() { return (onkeypressExpr); }
239     /**
240      * Getter method for "onkeyup" tag attribute.
241      * (Mapping set in associated BeanInfo class.)
242      */
243     public String   getOnkeyupExpr() { return (onkeyupExpr); }
244     /**
245      * Getter method for "onmousedown" tag attribute.
246      * (Mapping set in associated BeanInfo class.)
247      */
248     public String   getOnmousedownExpr() { return (onmousedownExpr); }
249     /**
250      * Getter method for "onmousemove" tag attribute.
251      * (Mapping set in associated BeanInfo class.)
252      */
253     public String   getOnmousemoveExpr() { return (onmousemoveExpr); }
254     /**
255      * Getter method for "onmouseout" tag attribute.
256      * (Mapping set in associated BeanInfo class.)
257      */
258     public String   getOnmouseoutExpr() { return (onmouseoutExpr); }
259     /**
260      * Getter method for "onmouseover" tag attribute.
261      * (Mapping set in associated BeanInfo class.)
262      */
263     public String   getOnmouseoverExpr() { return (onmouseoverExpr); }
264     /**
265      * Getter method for "onmouseup" tag attribute.
266      * (Mapping set in associated BeanInfo class.)
267      */
268     public String   getOnmouseupExpr() { return (onmouseupExpr); }
269     /**
270      * Getter method for "property" tag attribute.
271      * (Mapping set in associated BeanInfo class.)
272      */
273     public String   getPropertyExpr() { return (propertyExpr); }
274     /**
275      * Getter method for "style" tag attribute.
276      * (Mapping set in associated BeanInfo class.)
277      */
278     public String   getStyleExpr() { return (styleExpr); }
279     /**
280      * Getter method for "styleClass" tag attribute.
281      * (Mapping set in associated BeanInfo class.)
282      */
283     public String   getStyleClassExpr() { return (styleClassExpr); }
284     /**
285      * Getter method for "styleId" tag attribute.
286      * (Mapping set in associated BeanInfo class.)
287      */
288     public String   getStyleIdExpr() { return (styleIdExpr); }
289     /**
290      * Getter method for "tabindex" tag attribute.
291      * (Mapping set in associated BeanInfo class.)
292      */
293     public String   getTabindexExpr() { return (tabindexExpr); }
294     /**
295      * Getter method for "title" tag attribute.
296      * (Mapping set in associated BeanInfo class.)
297      */
298     public String   getTitleExpr() { return (titleExpr); }
299     /**
300      * Getter method for "titleKey" tag attribute.
301      * (Mapping set in associated BeanInfo class.)
302      */
303     public String   getTitleKeyExpr() { return (titleKeyExpr); }
304     /**
305      * Getter method for "value" tag attribute.
306      * (Mapping set in associated BeanInfo class.)
307      */
308     public String   getValueExpr() { return (valueExpr); }
309 
310     /**
311      * Setter method for "accessKey" tag attribute.
312      * (Mapping set in associated BeanInfo class.)
313      */
314     public void setAccesskeyExpr(String   accessKeyExpr) { this.accessKeyExpr = accessKeyExpr; }
315     /**
316      * Setter method for "alt" tag attribute.
317      * (Mapping set in associated BeanInfo class.)
318      */
319     public void setAltExpr(String   altExpr) { this.altExpr = altExpr; }
320     /**
321      * Setter method for "altKey" tag attribute.
322      * (Mapping set in associated BeanInfo class.)
323      */
324     public void setAltKeyExpr(String   altKeyExpr) { this.altKeyExpr = altKeyExpr; }
325     /**
326      * Setter method for "bundle" tag attribute.
327      * (Mapping set in associated BeanInfo class.)
328      */
329     public void setBundleExpr(String   bundleExpr) { this.bundleExpr = bundleExpr; }
330     /**
331      * Setter method for "disabled" tag attribute.
332      * (Mapping set in associated BeanInfo class.)
333      */
334     public void setDisabledExpr(String   disabledExpr) { this.disabledExpr = disabledExpr; }
335     /**
336      * Setter method for "indexed" tag attribute.
337      * (Mapping set in associated BeanInfo class.)
338      */
339     public void setIndexedExpr(String   indexedExpr) { this.indexedExpr = indexedExpr; }
340     /**
341      * Setter method for "onblur" tag attribute.
342      * (Mapping set in associated BeanInfo class.)
343      */
344     public void setOnblurExpr(String   onblurExpr) { this.onblurExpr = onblurExpr; }
345     /**
346      * Setter method for "onchange" tag attribute.
347      * (Mapping set in associated BeanInfo class.)
348      */
349     public void setOnchangeExpr(String   onchangeExpr) { this.onchangeExpr = onchangeExpr; }
350     /**
351      * Setter method for "onclick" tag attribute.
352      * (Mapping set in associated BeanInfo class.)
353      */
354     public void setOnclickExpr(String   onclickExpr) { this.onclickExpr = onclickExpr; }
355     /**
356      * Setter method for "ondblclick" tag attribute.
357      * (Mapping set in associated BeanInfo class.)
358      */
359     public void setOndblclickExpr(String   ondblclickExpr) { this.ondblclickExpr = ondblclickExpr; }
360     /**
361      * Setter method for "onfocus" tag attribute.
362      * (Mapping set in associated BeanInfo class.)
363      */
364     public void setOnfocusExpr(String   onfocusExpr) { this.onfocusExpr = onfocusExpr; }
365     /**
366      * Setter method for "onkeydown" tag attribute.
367      * (Mapping set in associated BeanInfo class.)
368      */
369     public void setOnkeydownExpr(String   onkeydownExpr) { this.onkeydownExpr = onkeydownExpr; }
370     /**
371      * Setter method for "onkeypress" tag attribute.
372      * (Mapping set in associated BeanInfo class.)
373      */
374     public void setOnkeypressExpr(String   onkeypressExpr) { this.onkeypressExpr = onkeypressExpr; }
375     /**
376      * Setter method for "onkeyup" tag attribute.
377      * (Mapping set in associated BeanInfo class.)
378      */
379     public void setOnkeyupExpr(String   onkeyupExpr) { this.onkeyupExpr = onkeyupExpr; }
380     /**
381      * Setter method for "onmousedown" tag attribute.
382      * (Mapping set in associated BeanInfo class.)
383      */
384     public void setOnmousedownExpr(String   onmousedownExpr) { this.onmousedownExpr = onmousedownExpr; }
385     /**
386      * Setter method for "onmousemove" tag attribute.
387      * (Mapping set in associated BeanInfo class.)
388      */
389     public void setOnmousemoveExpr(String   onmousemoveExpr) { this.onmousemoveExpr = onmousemoveExpr; }
390     /**
391      * Setter method for "onmouseout" tag attribute.
392      * (Mapping set in associated BeanInfo class.)
393      */
394     public void setOnmouseoutExpr(String   onmouseoutExpr) { this.onmouseoutExpr = onmouseoutExpr; }
395     /**
396      * Setter method for "onmouseover" tag attribute.
397      * (Mapping set in associated BeanInfo class.)
398      */
399     public void setOnmouseoverExpr(String   onmouseoverExpr) { this.onmouseoverExpr = onmouseoverExpr; }
400     /**
401      * Setter method for "onmouseup" tag attribute.
402      * (Mapping set in associated BeanInfo class.)
403      */
404     public void setOnmouseupExpr(String   onmouseupExpr) { this.onmouseupExpr = onmouseupExpr; }
405     /**
406      * Setter method for "property" tag attribute.
407      * (Mapping set in associated BeanInfo class.)
408      */
409     public void setPropertyExpr(String   propertyExpr) { this.propertyExpr = propertyExpr; }
410     /**
411      * Setter method for "style" tag attribute.
412      * (Mapping set in associated BeanInfo class.)
413      */
414     public void setStyleExpr(String   styleExpr) { this.styleExpr = styleExpr; }
415     /**
416      * Setter method for "styleClass" tag attribute.
417      * (Mapping set in associated BeanInfo class.)
418      */
419     public void setStyleClassExpr(String   styleClassExpr) { this.styleClassExpr = styleClassExpr; }
420     /**
421      * Setter method for "styleId" tag attribute.
422      * (Mapping set in associated BeanInfo class.)
423      */
424     public void setStyleIdExpr(String   styleIdExpr) { this.styleIdExpr = styleIdExpr; }
425     /**
426      * Setter method for "tabindex" tag attribute.
427      * (Mapping set in associated BeanInfo class.)
428      */
429     public void setTabindexExpr(String   tabindexExpr) { this.tabindexExpr = tabindexExpr; }
430     /**
431      * Setter method for "title" tag attribute.
432      * (Mapping set in associated BeanInfo class.)
433      */
434     public void setTitleExpr(String   titleExpr) { this.titleExpr = titleExpr; }
435     /**
436      * Setter method for "titleKey" tag attribute.
437      * (Mapping set in associated BeanInfo class.)
438      */
439     public void setTitleKeyExpr(String   titleKeyExpr) { this.titleKeyExpr = titleKeyExpr; }
440     /**
441      * Setter method for "value" tag attribute.
442      * (Mapping set in associated BeanInfo class.)
443      */
444     public void setValueExpr(String   valueExpr) { this.valueExpr = valueExpr; }
445 
446     /**
447      * Resets attribute values for tag reuse.
448      */
449     public void release()
450     {
451         super.release();
452         setAccesskeyExpr(null);
453         setAltExpr(null);
454         setAltKeyExpr(null);
455         setBundleExpr(null);
456         setDisabledExpr(null);
457         setIndexedExpr(null);
458         setOnblurExpr(null);
459         setOnchangeExpr(null);
460         setOnclickExpr(null);
461         setOndblclickExpr(null);
462         setOnfocusExpr(null);
463         setOnkeydownExpr(null);
464         setOnkeypressExpr(null);
465         setOnkeyupExpr(null);
466         setOnmousedownExpr(null);
467         setOnmousemoveExpr(null);
468         setOnmouseoutExpr(null);
469         setOnmouseoverExpr(null);
470         setOnmouseupExpr(null);
471         setPropertyExpr(null);
472         setStyleExpr(null);
473         setStyleClassExpr(null);
474         setStyleIdExpr(null);
475         setTabindexExpr(null);
476         setTitleExpr(null);
477         setTitleKeyExpr(null);
478         setValueExpr(null);
479     }
480 
481     /**
482      * Process the start tag.
483      *
484      * @exception JspException if a JSP exception has occurred
485      */
486     public int doStartTag() throws JspException   {
487         evaluateExpressions();
488         return (super.doStartTag());
489     }
490 
491     /**
492      * Processes all attribute values which use the JSTL expression evaluation
493      * engine to determine their values.
494      *
495      * @exception JspException if a JSP exception has occurred
496      */
497     private void evaluateExpressions() throws JspException   {
498         String    string  = null;
499         Boolean   bool    = null;
500 
501         if ((string = EvalHelper.evalString("accessKey", getAccesskeyExpr(),
502                                             this, pageContext)) != null)
503             setAccesskey(string);
504 
505         if ((string = EvalHelper.evalString("alt", getAltExpr(),
506                                             this, pageContext)) != null)
507             setAlt(string);
508 
509         if ((string = EvalHelper.evalString("altKey", getAltKeyExpr(),
510                                             this, pageContext)) != null)
511             setAltKey(string);
512 
513         if ((string = EvalHelper.evalString("bundle", getBundleExpr(),
514                                             this, pageContext)) != null)
515             setBundle(string);
516 
517         if ((bool = EvalHelper.evalBoolean("disabled", getDisabledExpr(),
518                                            this, pageContext)) != null)
519             setDisabled(bool.booleanValue());
520 
521         if ((bool = EvalHelper.evalBoolean("indexed", getIndexedExpr(),
522                                            this, pageContext)) != null)
523             setIndexed(bool.booleanValue());
524 
525         if ((string = EvalHelper.evalString("onblur", getOnblurExpr(),
526                                             this, pageContext)) != null)
527             setOnblur(string);
528 
529         if ((string = EvalHelper.evalString("onchange", getOnchangeExpr(),
530                                             this, pageContext)) != null)
531             setOnchange(string);
532 
533         if ((string = EvalHelper.evalString("onclick", getOnclickExpr(),
534                                             this, pageContext)) != null)
535             setOnclick(string);
536 
537         if ((string = EvalHelper.evalString("ondblclick", getOndblclickExpr(),
538                                             this, pageContext)) != null)
539             setOndblclick(string);
540 
541         if ((string = EvalHelper.evalString("onfocus", getOnfocusExpr(),
542                                             this, pageContext)) != null)
543             setOnfocus(string);
544 
545         if ((string = EvalHelper.evalString("onkeydown", getOnkeydownExpr(),
546                                             this, pageContext)) != null)
547             setOnkeydown(string);
548 
549         if ((string = EvalHelper.evalString("onkeypress", getOnkeypressExpr(),
550                                             this, pageContext)) != null)
551             setOnkeypress(string);
552 
553         if ((string = EvalHelper.evalString("onkeyup", getOnkeyupExpr(),
554                                             this, pageContext)) != null)
555             setOnkeyup(string);
556 
557         if ((string = EvalHelper.evalString("onmousedown", getOnmousedownExpr(),
558                                             this, pageContext)) != null)
559             setOnmousedown(string);
560 
561         if ((string = EvalHelper.evalString("onmousemove", getOnmousemoveExpr(),
562                                             this, pageContext)) != null)
563             setOnmousemove(string);
564 
565         if ((string = EvalHelper.evalString("onmouseout", getOnmouseoutExpr(),
566                                             this, pageContext)) != null)
567             setOnmouseout(string);
568 
569         if ((string = EvalHelper.evalString("onmouseover", getOnmouseoverExpr(),
570                                             this, pageContext)) != null)
571             setOnmouseover(string);
572 
573         if ((string = EvalHelper.evalString("onmouseup", getOnmouseupExpr(),
574                                             this, pageContext)) != null)
575             setOnmouseup(string);
576 
577         if ((string = EvalHelper.evalString("property", getPropertyExpr(),
578                                             this, pageContext)) != null)
579             setProperty(string);
580 
581         if ((string = EvalHelper.evalString("style", getStyleExpr(),
582                                             this, pageContext)) != null)
583             setStyle(string);
584 
585         if ((string = EvalHelper.evalString("styleClass", getStyleClassExpr(),
586                                             this, pageContext)) != null)
587             setStyleClass(string);
588 
589         if ((string = EvalHelper.evalString("styleId", getStyleIdExpr(),
590                                             this, pageContext)) != null)
591             setStyleId(string);
592 
593         if ((string = EvalHelper.evalString("tabindex", getTabindexExpr(),
594                                             this, pageContext)) != null)
595             setTabindex(string);
596 
597         if ((string = EvalHelper.evalString("title", getTitleExpr(),
598                                             this, pageContext)) != null)
599             setTitle(string);
600 
601         if ((string = EvalHelper.evalString("titleKey", getTitleKeyExpr(),
602                                             this, pageContext)) != null)
603             setTitleKey(string);
604 
605         if ((string = EvalHelper.evalString("value", getValueExpr(),
606                                             this, pageContext)) != null)
607             setValue(string);
608     }
609 }
610
A to Z: JavaDoc & Examples Daily Java News & Articles Open Source Projects Open Source Codes Free Computer Books Remove Frame
Popular Tags