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16 package org.apache.myfaces.renderkit.html;
17
18 import org.apache.myfaces.renderkit.JSFAttr;
19 import org.apache.myfaces.renderkit.RendererUtils;
20
21 import javax.faces.component.UIComponent;
22 import javax.faces.component.UISelectMany;
23 import javax.faces.component.UISelectOne;
24 import javax.faces.component.html.HtmlSelectManyListbox;
25 import javax.faces.component.html.HtmlSelectOneListbox;
26 import javax.faces.context.FacesContext;
27 import javax.faces.convert.ConverterException;
28 import java.io.IOException  ;
29
30
31
52 public class HtmlListboxRendererBase
53 extends HtmlRenderer
54 {
55 public void encodeEnd(FacesContext facesContext, UIComponent uiComponent)
56 throws IOException
57 {
58 RendererUtils.checkParamValidity(facesContext, uiComponent, null);
59
60 if (uiComponent instanceof UISelectMany)
61 {
62 int size;
63 if (uiComponent instanceof HtmlSelectManyListbox)
64 {
65 size = ((HtmlSelectManyListbox)uiComponent).getSize();
66 }
67 else
68 {
69 Integer i = (Integer )uiComponent.getAttributes().get(JSFAttr.SIZE_ATTR);
70 size = i != null ? i.intValue() : 0;
71 }
72 HtmlRendererUtils.renderListbox(facesContext,
73 (UISelectMany)uiComponent,
74 isDisabled(facesContext, uiComponent),
75 size);
76 }
77 else if (uiComponent instanceof HtmlSelectOneListbox)
78 {
79 int size;
80 if (uiComponent instanceof HtmlSelectOneListbox)
81 {
82 size = ((HtmlSelectOneListbox)uiComponent).getSize();
83 }
84 else
85 {
86 Integer i = (Integer )uiComponent.getAttributes().get(JSFAttr.SIZE_ATTR);
87 size = i != null ? i.intValue() : 0;
88 }
89 HtmlRendererUtils.renderListbox(facesContext,
90 (UISelectOne)uiComponent,
91 isDisabled(facesContext, uiComponent),
92 size);
93 }
94 else
95 {
96 throw new IllegalArgumentException ("Unsupported component class " + uiComponent.getClass().getName());
97 }
98 }
99
100
101 protected boolean isDisabled(FacesContext facesContext, UIComponent uiComponent)
102 {
103 if (uiComponent instanceof HtmlSelectManyListbox)
105 {
106 return ((HtmlSelectManyListbox)uiComponent).isDisabled();
107 }
108 else if (uiComponent instanceof HtmlSelectOneListbox)
109 {
110 return ((HtmlSelectOneListbox)uiComponent).isDisabled();
111 }
112 else
113 {
114 return RendererUtils.getBooleanAttribute(uiComponent, HTML.DISABLED_ATTR, false);
115 }
116 }
117
118
119 public void decode(FacesContext facesContext, UIComponent uiComponent)
120 {
121 RendererUtils.checkParamValidity(facesContext, uiComponent, null);
122
123 if (uiComponent instanceof UISelectMany)
124 {
125 HtmlRendererUtils.decodeUISelectMany(facesContext, uiComponent);
126 }
127 else if (uiComponent instanceof UISelectOne)
128 {
129 HtmlRendererUtils.decodeUISelectOne(facesContext, uiComponent);
130 }
131 else
132 {
133 throw new IllegalArgumentException ("Unsupported component class " + uiComponent.getClass().getName());
134 }
135 }
136
137 public Object getConvertedValue(FacesContext facesContext, UIComponent uiComponent, Object submittedValue) throws ConverterException
138 {
139 RendererUtils.checkParamValidity(facesContext, uiComponent, null);
140
141 if (uiComponent instanceof UISelectMany)
142 {
143 return RendererUtils.getConvertedUISelectManyValue(facesContext,
144 (UISelectMany)uiComponent,
145 submittedValue);
146 }
147 else if (uiComponent instanceof UISelectOne)
148 {
149 return RendererUtils.getConvertedUIOutputValue(facesContext,
150 (UISelectOne)uiComponent,
151 submittedValue);
152 }
153 else
154 {
155 throw new IllegalArgumentException ("Unsupported component class " + uiComponent.getClass().getName());
156 }
157 }
158
159 }
160 |
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