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21
24 package org.lobobrowser.html.domimpl;
25
26 import java.net.MalformedURLException  ;
27 import java.net.URL ;
28 import java.util.ArrayList ;
29
30 import org.w3c.dom.Element ;
31 import org.w3c.dom.Node ;
32 import org.w3c.dom.html2.HTMLCollection;
33 import org.w3c.dom.html2.HTMLFormElement;
34 import org.lobobrowser.html.FormInput;
35 import org.lobobrowser.html.HtmlRendererContext;
36 import org.lobobrowser.html.js.*;
37 import org.mozilla.javascript.*;
38
39 public class HTMLFormElementImpl extends HTMLAbstractUIElement implements
40 HTMLFormElement {
41 public HTMLFormElementImpl(String name) {
42 super(name);
43 }
44
45 public HTMLFormElementImpl() {
46 super("FORM");
47 }
48
49 public Object namedItem(final String name) {
50 try {
51 this.visit(new NodeVisitor() {
53 public void visit(Node node) {
54 if(HTMLFormElementImpl.isInput(node)) {
55 if(name.equals(((Element ) node).getAttribute("name"))) {
56 throw new StopVisitorException(node);
57 }
58 }
59 }
60 });
61 } catch(StopVisitorException sve) {
62 return sve.getTag();
63 }
64 return null;
65 }
66
67 public Object item(final int index) {
68 try {
69 this.visit(new NodeVisitor() {
70 private int current = 0;
71
72 public void visit(Node node) {
73 if(HTMLFormElementImpl.isInput(node)) {
74 if(this.current == index) {
75 throw new StopVisitorException(node);
76 }
77 this.current++;
78 }
79 }
80 });
81 } catch(StopVisitorException sve) {
82 return sve.getTag();
83 }
84 return null;
85 }
86
87 public HTMLCollection getElements() {
88 return new DescendentHTMLCollection(this, new InputFilter());
89 }
90
91 public int getLength() {
92 return new DescendentHTMLCollection(this, new InputFilter()).getLength();
93 }
94
95 public String getName() {
96 return this.getAttribute("name");
97 }
98
99 public void setName(String name) {
100 this.setAttribute("name", name);
101 }
102
103 public String getAcceptCharset() {
104 return this.getAttribute("acceptCharset");
105 }
106
107 public void setAcceptCharset(String acceptCharset) {
108 this.setAttribute("acceptCharset", acceptCharset);
109 }
110
111 public String getAction() {
112 return this.getAttribute("action");
113 }
114
115 public void setAction(String action) {
116 this.setAttribute("action", action);
117 }
118
119 public String getEnctype() {
120 return this.getAttribute("enctype");
121 }
122
123 public void setEnctype(String enctype) {
124 this.setAttribute("enctype", enctype);
125 }
126
127 public String getMethod() {
128 String method = this.getAttribute("method");
129 if(method == null) {
130 method = "GET";
131 }
132 return method;
133 }
134
135 public void setMethod(String method) {
136 this.setAttribute("method", method);
137 }
138
139 public String getTarget() {
140 return this.getAttribute("target");
141 }
142
143 public void setTarget(String target) {
144 this.setAttribute("target", target);
145 }
146
147 public void submit() {
148 this.submit(null);
149 }
150
151 private Function onsubmit;
152
153 public void setOnsubmit(Function value) {
154 this.onsubmit = value;
155 }
156
157 public Function getOnsubmit() {
158 return this.getEventFunction(this.onsubmit, "onsubmit");
159 }
160
161
167 public final void submit(final FormInput[] extraFormInputs) {
168 Function onsubmit = this.getOnsubmit();
169 if(onsubmit != null) {
170 if(!Executor.executeFunction(this, onsubmit, null)) {
172 return;
173 }
174 }
175 HtmlRendererContext context = this.getHtmlRendererContext();
176 if(context != null) {
177 final ArrayList formInputs = new ArrayList ();
178 if(extraFormInputs != null) {
179 for(int i = 0; i < extraFormInputs.length; i++) {
180 formInputs.add(extraFormInputs[i]);
181 }
182 }
183 this.visit(new NodeVisitor() {
184 public void visit(Node node) {
185 if(node instanceof HTMLElementImpl) {
186 FormInput[] fis = ((HTMLElementImpl) node).getFormInputs();
187 if(fis != null) {
188 for(int i = 0; i < fis.length; i++) {
189 FormInput fi = fis[i];
190 if(fi.getName() == null) {
191 throw new IllegalStateException ("Form input does not have a name: " + node);
192 }
193 formInputs.add(fi);
194 }
195 }
196 }
197 }
198 });
199 FormInput[] fia = (FormInput[]) formInputs.toArray(FormInput.EMPTY_ARRAY);
200 String href = this.getAction();
201 if(href == null) {
202 href = this.getBaseURI();
203 }
204 try {
205 URL url = this.getFullURL(href);
206 context.submitForm(this.getMethod(), url, this.getTarget(), this.getEnctype(), fia);
207 } catch(MalformedURLException mfu) {
208 this.warn("submit()", mfu);
209 }
210 }
211 }
212
213 public void reset() {
214 this.visit(new NodeVisitor() {
215 public void visit(Node node) {
216 if(node instanceof HTMLBaseInputElement) {
217 ((HTMLBaseInputElement) node).resetInput();
218 }
219 }
220 });
221 }
222
223 static boolean isInput(Node node) {
224 String name = node.getNodeName().toLowerCase();
225 return name.equals("input") || name.equals("textarea") || name.equals("select");
226 }
227
228 private class InputFilter implements NodeFilter {
229
232 public boolean accept(Node node) {
233 return HTMLFormElementImpl.isInput(node);
234 }
235 }
236 }
237 |
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