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1
5 package org.exoplatform.faces.core.renderer.html;
6
7 import java.io.IOException  ;
8 import java.util.List ;
9 import java.util.ResourceBundle ;
10 import javax.faces.component.UIComponent;
11 import javax.faces.context.FacesContext;
12 import javax.faces.context.ResponseWriter;
13 import org.exoplatform.commons.utils.ExpressionUtil;
14 import org.exoplatform.faces.FacesConstants;
15 import org.exoplatform.faces.core.component.UIForm;
16 import org.exoplatform.faces.core.component.model.SelectItem;
17
18 public class FormRenderer extends HtmlBasicRenderer {
19
20 public void encodeChildren( FacesContext context, UIComponent component ) throws IOException {
21 ResponseWriter w = context.getResponseWriter() ;
22 ResourceBundle res = getApplicationResourceBundle(context.getExternalContext()) ;
23 UIForm uiForm = (UIForm) component ;
24 String clazz = uiForm.getClazz() ;
25 if(clazz == null) clazz = "UIForm" ;
26 w.write("<form name='"); w.write(uiForm.getFormName()); w.write("'") ;
28 w.write(" action='"); w.write(uiForm.getBaseURL(context)); w.write("' method='post'") ;
29 w.write(" class='"); w.write(clazz) ; w.write("'>\n");
30 w.write("<input type='hidden' name='"); w.write(ACTION); w.write("' value=''/>") ;
31 List list = uiForm.getContainers() ;
32 for(int i = 0; i < list.size(); i++) {
33 UIForm.Container container = (UIForm.Container) list.get(i) ;
34 renderContainer(w ,container, res) ;
35 }
36 List actions = uiForm.getActions() ;
37 w.write("<div class='buttons'>") ;
38 for(int i = 0; i < actions.size(); i++) {
39 UIForm.Button button = (UIForm.Button) actions.get(i) ;
40 String label = ExpressionUtil.getExpressionValue(res, button.getLabel()) ;
41 renderFormButton(w,uiForm, label, button.getAction()) ;
42 }
43 w.write("</div>") ;
44 w.write(getNormalScript(uiForm.getFormName()));
45 w.write("</form>") ;
46 }
48
49 private void renderContainer(ResponseWriter w , UIForm.Container container,
50 ResourceBundle res) throws IOException {
51 List fields = container.getFields();
52 String legend = ExpressionUtil.getExpressionValue(res, container.getLegend()) ;
53 w.write("<fieldset>") ;
54 w. write("<legend>"); w.write(legend); w.write("</legend>") ;
55 w. write("<table>") ;
56 for(int i =0 ; i < fields.size(); i++) {
57 Object obj = fields.get(i) ;
58 w.write("\n<tr>\n") ;
59 if(obj instanceof UIForm.Field) {
60 UIForm.Field field = (UIForm.Field) obj ;
61 String label = ExpressionUtil.getExpressionValue(res, field.getLabel()) ;
62 w.write("<td class='label'>") ;w.write(label) ; w.write("</td>") ;
63 w.write("<td>") ;
64 renderField(w , field, res) ;
65 w.write("</td>") ;
66 }
67 w.write("\n</tr>\n") ;
68 }
69 w. write("</table>") ;
70 w.write("</fieldset>") ;
71 }
72
73 private void renderField(ResponseWriter w , UIForm.Field field, ResourceBundle res) throws IOException {
74 if(field instanceof UIForm.TextAreaField) {
75 UIForm.StringField sfield = (UIForm.StringField) field ;
76 w.write("<textarea name='"); w.write(sfield.getName()) ; w.write("'>") ;
77 w.write(sfield.getValue()) ;
78 w.write("</textarea>");
79 } else if(field instanceof UIForm.SelectBoxField) {
80 UIForm.SelectBoxField sfield = (UIForm.SelectBoxField) field ;
81 w.write("<select "); w.write("name='"); w.write(sfield.getName()); w.write("'") ;
82 if (!sfield.isEditable()) {
83 w.write(" disabled='true'");
84 }
85 w.write(">\n") ;
86 List options = sfield.getOptions() ;
87 String selectValue = sfield.getValue() ;
88 for(int i=0; i < options.size(); i++) {
89 SelectItem si = (SelectItem) options.get(i) ;
90 if (si.value_.equals(selectValue)) {
91 w.write("<option selected='selected' value='"); w.write(si.value_); w.write("'>");
92 w.write(ExpressionUtil.getExpressionValue(res,si.display_)); w.write("</option>\n");
93 } else {
94 w.write("<option value=\""); w.write(si.value_); w.write("\">");
95 w.write(ExpressionUtil.getExpressionValue(res,si.display_)); w.write("</option>\n");
96 }
97 }
98 w.write("</select>\n") ;
99 } else if(field instanceof UIForm.StringPasswordField) {
100 UIForm.StringField sfield = (UIForm.StringField) field ;
101 w.write("<input name='"); w.write(sfield.getName()) ; w.write("' value='") ;
102 w.write(sfield.getValue()) ; w.write("'") ;
103 w.write(" type='password'");
104 if(!sfield.isEditable()) w.write(" readonly='readonly'");
105 w.write("/>");
106 if(sfield.hasError()) w.write("<span style='color:red'>*</span>");
107 } else if(field instanceof UIForm.StringField) {
108 UIForm.StringField sfield = (UIForm.StringField) field ;
109 w.write("<input name='"); w.write(sfield.getName()) ; w.write("' value='") ;
110 w.write(sfield.getValue()) ; w.write("'") ;
111 if(!sfield.isEditable()) w.write(" readonly='readonly'");
112 w.write("/>");
113 if(sfield.hasError()) w.write("<span style='color:red'>*</span>");
114 }
115 }
116
117 public void renderFormButton(ResponseWriter w, UIForm uiForm,
118 String label, String action) throws IOException {
119 w.write("<a");
120 w.write(" HREF=\"javascript:submit_"); w.write(uiForm.getFormName()); w.write("('");
121 w.write(action) ; w.write("');\">");
122 w.write(label);
123 w.write("</a>");
124 }
125
126 private String getNormalScript(String formName) {
127 String script =
128 "<script type='text/javascript'>\n" +
129 " //ie bug you cannot have more than one button tag\n" +
130 " function submit_" + formName + "(action) {\n" +
131 " document." + formName + ".elements['" + FacesConstants.ACTION + "'].value = action ;\n" +
132 " document." + formName + ".submit();\n" +
133 " }\n" +
134 "</script>\n";
135 return script;
136 }
137 } |
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