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1
5 package org.exoplatform.faces.core.component;
6
7 import java.util.ArrayList  ;
8 import java.util.List ;
9 import javax.faces.component.UIComponent;
10 import javax.faces.validator.Validator;
11 import org.exoplatform.container.PortalContainer;
12 import org.exoplatform.faces.ValidatorManager;
13
14
19 public class ComponentUtil {
20
21 static public List findDescendantsOfType(UIComponent comp, Class type) {
22 List list = new ArrayList () ;
23 findDescendantsOfType(comp, type, list) ;
24 return list ;
25 }
26
27 static private void findDescendantsOfType(UIComponent uiComp, Class type, List list) {
28 if(uiComp.getChildCount() == 0) return ;
29 List children = uiComp.getChildren() ;
30 for(int i = 0; i < children.size(); i++) {
31 UIComponent child = (UIComponent) children.get(i) ;
32 if(type.isInstance(child)) list.add(child) ;
33 findDescendantsOfType(child, type,list) ;
34 }
35 }
36
37 static public UIExoComponent findComponentById(UIExoComponent comp, String id) {
38 if(id.equals(comp.getId())) return comp ;
39 List children = comp.getChildren();
40 for (int i = 0; i < children.size() ; i++) {
41 UIExoComponent uiChild = (UIExoComponent) children.get(i) ;
42 UIExoComponent result = findComponentById(uiChild, id) ;
43 if (result != null) return result ;
44 }
45 return null ;
46 }
47
48 static public UIExoComponent findRenderedComponentById(UIExoComponent uiComp, String id) {
49 if(id.equals(uiComp.getId())) return uiComp ;
50 List children = uiComp.getChildren();
51 for (int i = 0; i < children.size() ; i++) {
52 UIExoComponent uiChild = (UIExoComponent) children.get(i) ;
53 if(uiChild.isRendered()) {
54 UIExoComponent result = findRenderedComponentById(uiChild, id) ;
55 if (result != null) return result ;
56 }
57 }
58 return null ;
59 }
60
61 static public Object getChildComponentOfType(UIComponent comp, Class classType) {
62 List children = comp.getChildren() ;
63 for (int i = 0; i < children.size(); i++) {
64 Object o = children.get(i) ;
65 if( classType.isInstance(o)) return o ;
66 }
67 return null ;
68 }
69
70 static public UIComponent getAncestorOfType(UIComponent comp, Class classType) {
71 UIComponent parent = comp.getParent() ;
72 while(parent != null ) {
73 if( classType.isInstance(parent)) return parent ;
74 parent = parent.getParent() ;
75 }
76 return null ;
77 }
78
79 static public void setRenderedComponent(UIExoComponent comp, String id) {
80 List children = comp.getChildren() ;
81 for(int i = 0 ; i < children.size(); i++) {
82 UIComponent child = (UIComponent) children.get(i);
83 if(child.getId().equals(id)) child.setRendered(true);
84 else child.setRendered(false) ;
85 }
86 }
87
88 static public void setRenderedComponent(UIExoComponent comp, Class type) {
89 List children = comp.getChildren() ;
90 for(int i = 0 ; i < children.size(); i++) {
91 UIComponent child = (UIComponent)children.get(i);
92 if(type.isInstance(child)) child.setRendered(true);
93 else child.setRendered(false) ;
94 }
95 }
96
97 static public void setRenderedSibling(UIExoComponent comp, Class type) {
98 List children = comp.getParent().getChildren() ;
99 for(int i = 0 ; i < children.size(); i++) {
100 UIComponent child = (UIComponent)children.get(i);
101 if(type.isInstance(child)) child.setRendered(true);
102 else child.setRendered(false) ;
103 }
104 }
105
106 static public UIComponent getSibling(UIComponent comp, Class type) {
107 List children = comp.getParent().getChildren() ;
108 for(int i = 0 ; i < children.size(); i++) {
109 UIComponent child = (UIComponent)children.get(i);
110 if(type.isInstance(child)) return child ;
111 }
112 return null ;
113 }
114
115 static public void addValidator(List list, Class clazz) {
116 PortalContainer pcontainer = PortalContainer.getInstance() ;
117 ValidatorManager manager =
118 (ValidatorManager) pcontainer.getComponentInstanceOfType(ValidatorManager.class) ;
119 Validator result = manager.getValidator(clazz) ;
120 list.add(result) ;
121 }
122
123 static public Validator getValidator(Class clazz) {
124 PortalContainer pcontainer = PortalContainer.getInstance() ;
125 ValidatorManager manager =
126 (ValidatorManager) pcontainer.getComponentInstanceOfType(ValidatorManager.class) ;
127 return manager.getValidator(clazz) ;
128 }
129 } |
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