01: // Copyright 2007 The Apache Software Foundation
02: //
03: // Licensed under the Apache License, Version 2.0 (the "License");
04: // you may not use this file except in compliance with the License.
05: // You may obtain a copy of the License at
06: //
07: // http://www.apache.org/licenses/LICENSE-2.0
08: //
09: // 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;
16:
17: import java.util.Map;
18:
19: /**
20: * A single option within a {@link OptionGroupModel}. Corresponds closely to the [X]HTML
21: * <option> element.
22: */
23: public interface OptionModel {
24: /** The localized, user-presentable label for the option. */
25: String getLabel();
26:
27: /** If true, then a disabled attribute will be rendered with the <option>. */
28: boolean isDisabled();
29:
30: /** Additional attributes to render within the <option>. May return null. */
31: Map<String, String> getAttributes();
32:
33: /**
34: * The server-side value represented by this option. This is used to determine which option will
35: * be selected. It is also used, via {@link ValueEncoder#toClient(Object)}, to generate
36: * the client-side value attribute.
37: */
38: Object getValue();
39: }
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