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Java > Open Source Codes > org > apache > tapestry > wml > Input


1 // Copyright 2004, 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.wml;
16
17 import org.apache.hivemind.HiveMind;
18 import org.apache.tapestry.AbstractComponent;
19 import org.apache.tapestry.IMarkupWriter;
20 import org.apache.tapestry.IRequestCycle;
21
22 /**
23  * The Input element specifies a text entry object.
24  *
25  * @author David Solis
26  * @since 3.0
27  */
28
29 public abstract class Input extends AbstractComponent
30 {
31
32     /**
33      * @see AbstractComponent#renderComponent(IMarkupWriter, IRequestCycle)
34      */
35
36     protected void renderComponent(IMarkupWriter writer, IRequestCycle cycle)
37     {
38         boolean render = !cycle.isRewinding();
39
40         if (render)
41         {
42             writer.beginEmpty("input");
43
44             writer.attribute("type", isHidden() ? "password" : "text");
45
46             writer.attribute("name", getName());
47
48             String JavaDoc title = getTitle();
49             if (HiveMind.isNonBlank(title))
50                 writer.attribute("title", title);
51
52             String JavaDoc format = getFormat();
53             if (HiveMind.isNonBlank(format))
54                 writer.attribute("format", format);
55
56             boolean emptyok = isEmptyok();
57             if (emptyok != false)
58                 writer.attribute("emptyok", emptyok);
59
60             renderInformalParameters(writer, cycle);
61
62             String JavaDoc value = getValue();
63             if (HiveMind.isNonBlank(value))
64                 writer.attribute("value", value);
65
66             writer.closeTag();
67         }
68     }
69
70     public abstract String JavaDoc getTitle();
71
72     public abstract String JavaDoc getName();
73
74     public abstract String JavaDoc getFormat();
75
76     public abstract boolean isHidden();
77
78     public abstract boolean isEmptyok();
79
80     public abstract String JavaDoc getValue();
81
82 }
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