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Source file | Conditionals | Statements | Methods | TOTAL | |||||||||||||||
FormSupport.java | - | - | - | - |
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1 | // Copyright 2005 The Apache Software Foundation | |
2 | // | |
3 | // Licensed under the Apache License, Version 2.0 (the "License"); | |
4 | // you may not use this file except in compliance with the License. | |
5 | // You may obtain a copy of the License at | |
6 | // | |
7 | // http://www.apache.org/licenses/LICENSE-2.0 | |
8 | // | |
9 | // Unless required by applicable law or agreed to in writing, software | |
10 | // distributed under the License is distributed on an "AS IS" BASIS, | |
11 | // WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. | |
12 | // See the License for the specific language governing permissions and | |
13 | // limitations under the License. | |
14 | ||
15 | package org.apache.tapestry.form; | |
16 | ||
17 | import org.apache.tapestry.FormBehavior; | |
18 | import org.apache.tapestry.IRender; | |
19 | import org.apache.tapestry.engine.ILink; | |
20 | ||
21 | /** | |
22 | * Interface for a utility object that encapsulates the majority of the | |
23 | * {@link org.apache.tapestry.form.Form}'s behavior. | |
24 | * | |
25 | * @author Howard M. Lewis Ship | |
26 | * @since 4.0 | |
27 | */ | |
28 | public interface FormSupport extends FormBehavior | |
29 | { | |
30 | ||
31 | /** | |
32 | * Invoked when the form is rendering. This should only be invoked by the {@link Form} | |
33 | * component. | |
34 | * | |
35 | * @param method | |
36 | * the HTTP method ("get" or "post") | |
37 | * @param informalParametersRenderer | |
38 | * object that will render informal parameters | |
39 | * @param link | |
40 | * The link to which the form will submit (encapsulating the URL and the query | |
41 | * parameters) | |
42 | */ | |
43 | public void render(String method, IRender informalParametersRenderer, ILink link); | |
44 | ||
45 | /** | |
46 | * Invoked to rewind the form, which renders the body of the form, allowing form element | |
47 | * components to pull data from the request and update page properties. This should only be | |
48 | * invoked by the {@link Form} component. | |
49 | * | |
50 | * @return a code indicating why the form was submitted: {@link FormConstants#SUBMIT_NORMAL}, | |
51 | * {@link FormConstants#SUBMIT_CANCEL} or {@link FormConstants#SUBMIT_REFRESH}. | |
52 | */ | |
53 | public String rewind(); | |
54 | } |
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