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1
13 package com.tonbeller.wcf.wizard;
14
15 import java.util.ArrayList  ;
16 import java.util.Collections ;
17 import java.util.Iterator ;
18 import java.util.List ;
19
20 import com.tonbeller.wcf.controller.RequestContext;
21
22
27 public class WizardPageSupport {
28 WizardPage source;
29 ArrayList listeners = new ArrayList ();
30
31 public WizardPageSupport(WizardPage source) {
32 this.source = source;
33 }
34
35 public void fireNext(RequestContext context) throws Exception {
36 for (Iterator it = iterator(); it.hasNext();)
37 ((PageListener) it.next()).onNext(context);
38 }
39
40 public void fireBack(RequestContext context) throws Exception {
41 for (Iterator it = iterator(); it.hasNext();)
42 ((PageListener) it.next()).onBack(context);
43 }
44
45 public void fireFinish(RequestContext context) throws Exception {
46 for (Iterator it = iterator(); it.hasNext();)
47 ((PageListener) it.next()).onFinish(context);
48 }
49
50 public void fireCancel(RequestContext context) throws Exception {
51 for (Iterator it = iterator(); it.hasNext();)
52 ((PageListener) it.next()).onCancel(context);
53 }
54
55 private Iterator iterator() {
56 if (listeners.size() == 0)
57 return Collections.EMPTY_LIST.iterator();
58 List copy = (List ) listeners.clone();
59 return copy.iterator();
60 }
61
62 public void addPageListener(PageListener l) {
63 listeners.add(l);
64 }
65
66 public void removePageListener(PageListener l) {
67 listeners.remove(l);
68 }
69
70 public void fireWizardButton(RequestContext context, String methodName) throws Exception {
71 if ("onNext".equals(methodName))
72 fireNext(context);
73 else if ("onBack".equals(methodName))
74 fireBack(context);
75 else if ("onCancel".equals(methodName))
76 fireCancel(context);
77 else if ("onFinish".equals(methodName))
78 fireFinish(context);
79 }
80
81 } |
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