|
1
16 package org.apache.myfaces.renderkit.html;
17
18 import org.apache.myfaces.renderkit.RendererUtils;
19
20 import javax.faces.component.UIComponent;
21 import javax.faces.component.UISelectMany;
22 import javax.faces.component.UISelectOne;
23 import javax.faces.component.html.HtmlSelectManyMenu;
24 import javax.faces.component.html.HtmlSelectOneMenu;
25 import javax.faces.context.FacesContext;
26 import javax.faces.convert.ConverterException;
27 import java.io.IOException  ;
28
29
49 public class HtmlMenuRendererBase
50 extends HtmlRenderer
51 {
52
54 public void encodeEnd(FacesContext facesContext, UIComponent component)
55 throws IOException
56 {
57 RendererUtils.checkParamValidity(facesContext, component, null);
58
59 if (component instanceof UISelectMany)
60 {
61 HtmlRendererUtils.renderMenu(facesContext,
62 (UISelectMany)component,
63 isDisabled(facesContext, component));
64 }
65 else if (component instanceof UISelectOne)
66 {
67 HtmlRendererUtils.renderMenu(facesContext,
68 (UISelectOne)component,
69 isDisabled(facesContext, component));
70 }
71 else
72 {
73 throw new IllegalArgumentException ("Unsupported component class " + component.getClass().getName());
74 }
75 }
76
77 protected boolean isDisabled(FacesContext facesContext, UIComponent uiComponent)
78 {
79 if (uiComponent instanceof HtmlSelectManyMenu)
81 {
82 return ((HtmlSelectManyMenu)uiComponent).isDisabled();
83 }
84 else if (uiComponent instanceof HtmlSelectOneMenu)
85 {
86 return ((HtmlSelectOneMenu)uiComponent).isDisabled();
87 }
88 else
89 {
90 return RendererUtils.getBooleanAttribute(uiComponent, HTML.DISABLED_ATTR, false);
91 }
92 }
93
94
95 private String getStyleClass(UISelectMany component)
96 {
97 if (component instanceof HtmlSelectManyMenu)
98 {
99 return ((HtmlSelectManyMenu)component).getStyleClass();
100 }
101 else
102 {
103 return (String )component.getAttributes().get(HTML.STYLE_CLASS_ATTR);
104 }
105 }
106
107 private String getStyleClass(UISelectOne component)
108 {
109 if (component instanceof HtmlSelectOneMenu)
110 {
111 return ((HtmlSelectOneMenu)component).getStyleClass();
112 }
113 else
114 {
115 return (String )component.getAttributes().get(HTML.STYLE_CLASS_ATTR);
116 }
117 }
118
119
120 public void decode(FacesContext facesContext, UIComponent uiComponent)
121 {
122 RendererUtils.checkParamValidity(facesContext, uiComponent, null);
123
124 if (uiComponent instanceof UISelectMany)
125 {
126 HtmlRendererUtils.decodeUISelectMany(facesContext, uiComponent);
127 }
128 else if (uiComponent instanceof UISelectOne)
129 {
130 HtmlRendererUtils.decodeUISelectOne(facesContext, uiComponent);
131 }
132 else
133 {
134 throw new IllegalArgumentException ("Unsupported component class " + uiComponent.getClass().getName());
135 }
136 }
137
138 public Object getConvertedValue(FacesContext facesContext, UIComponent uiComponent, Object submittedValue) throws ConverterException
139 {
140 RendererUtils.checkParamValidity(facesContext, uiComponent, null);
141
142 if (uiComponent instanceof UISelectMany)
143 {
144 return RendererUtils.getConvertedUISelectManyValue(facesContext,
145 (UISelectMany)uiComponent,
146 submittedValue);
147 }
148 else if (uiComponent instanceof UISelectOne)
149 {
150 return RendererUtils.getConvertedUIOutputValue(facesContext,
151 (UISelectOne)uiComponent,
152 submittedValue);
153 }
154 else
155 {
156 throw new IllegalArgumentException ("Unsupported component class " + uiComponent.getClass().getName());
157 }
158 }
159
160 }
161 |
Popular Tags |
Java API By Example, From Geeks To Geeks.