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33
34 package com.icesoft.faces.renderkit.dom_html_basic;
35
36 import com.icesoft.faces.context.DOMContext;
37 import com.icesoft.faces.context.effects.JavascriptContext;
38 import com.icesoft.faces.context.effects.LocalEffectEncoder;
39 import org.w3c.dom.Element  ;
40
41 import javax.faces.component.EditableValueHolder;
42 import javax.faces.component.UIComponent;
43 import javax.faces.context.FacesContext;
44 import javax.faces.convert.ConverterException;
45 import java.io.IOException ;
46 import java.util.HashSet ;
47 import java.util.Iterator ;
48 import java.util.Map ;
49 import java.util.Set ;
50
51 public class CheckboxRenderer extends DomBasicInputRenderer {
52
53 public boolean getRendersChildren() {
54 return true;
55 }
56
57 public void decode(FacesContext facesContext, UIComponent uiComponent) {
58 validateParameters(facesContext, uiComponent, null);
59 if (isStatic(uiComponent)) {
60 return;
61 }
62
63 Map requestParameterMap =
64 facesContext.getExternalContext().getRequestParameterMap();
65 String componentClientId = uiComponent.getClientId(facesContext);
66 String decodedValue =
67 (String ) requestParameterMap.get(componentClientId);
68 if (decodedValue == null) {
69 decodedValue = "false";
70 } else if (decodedValue.equalsIgnoreCase("on") ||
71 decodedValue.equalsIgnoreCase("yes") ||
72 decodedValue.equalsIgnoreCase("true")) {
73 decodedValue = "true";
74 }
75 ((EditableValueHolder) uiComponent).setSubmittedValue(decodedValue);
76 }
77
78 public void encodeBegin(FacesContext facesContext, UIComponent uiComponent)
79 throws IOException {
80 validateParameters(facesContext, uiComponent, null);
81 DOMContext domContext =
82 DOMContext.attachDOMContext(facesContext, uiComponent);
83 String clientId = uiComponent.getClientId(facesContext);
84
85 Element input = null;
86 if (!domContext.isInitialized()) {
87 if (uiComponent.getChildCount() > 0) {
88 Element root = domContext.createRootElement(HTML.SPAN_ELEM);
89 root.setAttribute(HTML.ID_ATTR, clientId + "span");
90 root.setAttribute(HTML.STYLE_ATTR, "float:left");
91 input = domContext.createElement(HTML.INPUT_ELEM);
92 root.appendChild(input);
93 } else {
94 input = (Element ) domContext.createRootElement(HTML.INPUT_ELEM);
95 }
96 input.setAttribute("type", "checkbox");
97 input.setAttribute("id", clientId);
98 input.setAttribute("name", clientId);
99 }
100
101 if (uiComponent.getChildCount() > 0)
102 input = (Element ) domContext.getRootNode().getFirstChild();
103 else
104 input = (Element ) domContext.getRootNode();
105
106 String currentValue = getValue(facesContext, uiComponent);
107 if (currentValue != null && currentValue.equalsIgnoreCase("true")) {
108 input.setAttribute("checked", "checked");
109 } else {
110 input.removeAttribute("checked");
111 }
112
113 String styleClass =
114 (String ) uiComponent.getAttributes().get("styleClass");
115 if (styleClass != null) {
116 input.setAttribute("class", styleClass);
117 }
118 JavascriptContext.fireEffect(uiComponent, facesContext);
119 LocalEffectEncoder.encodeLocalEffects(uiComponent, input, facesContext);
120 renderPassThruAttributes(uiComponent, input);
121 HashSet excludes = new HashSet ();
122 addJavaScript(facesContext, uiComponent, input, excludes);
123 }
124
125
126 public void renderPassThruAttributes(UIComponent uiComponent,
127 Element input) {
128 Iterator passTrhuAttributes = PassThruAttributeRenderer
129 .getpassThruAttributeNames().iterator();
130 while (passTrhuAttributes.hasNext()) {
131 String attribute = passTrhuAttributes.next().toString();
132 renderAttribute(uiComponent, input, attribute, attribute);
133 }
134 renderAttribute(uiComponent, input, HTML.DISABLED_ATTR,
136 HTML.DISABLED_ATTR);
137 String original = (String ) uiComponent.getAttributes().get("onfocus");
139 String onfocus = "setFocus(this.id);";
140 if (original == null) original = "";
141 input.setAttribute(HTML.ONFOCUS_ATTR, onfocus + original);
142 original = (String ) uiComponent.getAttributes().get("onblur");
144 String onblur = "setFocus('');";
145 if (original == null) original = "";
146 input.setAttribute(HTML.ONBLUR_ATTR, onblur + original);
147
148 }
149
150
151 public void encodeChildren(FacesContext facesContext,
152 UIComponent uiComponent)
153 throws IOException {
154 validateParameters(facesContext, uiComponent, null);
155 DOMContext domContext =
156 DOMContext.getDOMContext(facesContext, uiComponent);
157 Iterator children = uiComponent.getChildren().iterator();
158 domContext.setCursorParent(domContext.getRootNode());
159 while (children.hasNext()) {
160 UIComponent nextChild = (UIComponent) children.next();
161 if (nextChild.isRendered()) {
162 encodeParentAndChildren(facesContext, nextChild);
163 }
164 }
165 domContext.stepOver();
166 domContext.streamWrite(facesContext, uiComponent);
167 }
168
169 public void encodeEnd(FacesContext facesContext, UIComponent uiComponent)
170 throws IOException {
171 }
172
173 public Object getConvertedValue(FacesContext facesContext, UIComponent
174 uiComponent, Object submittedValue) throws ConverterException {
175 if (!(submittedValue instanceof String )) {
176 throw new ConverterException(
177 "Expecting submittedValue to be String");
178 }
179 return Boolean.valueOf((String ) submittedValue);
180 }
181
182 protected void addJavaScript(FacesContext facesContext,
183 UIComponent uiComponent, Element root,
184 Set excludes) {
185 }
186 }
187 |
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