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.services;
16:
17: import org.apache.tapestry.corelib.components.Grid;
18: import org.apache.tapestry.corelib.components.GridCell;
19: import org.apache.tapestry.ioc.Messages;
20:
21: /**
22: * Provides context information needed when displaying a value in the context of a {@link Grid}
23: * component (or, really, the {@link GridCell} component).
24: */
25: public interface PropertyDisplayContext {
26: /**
27: * Returns the value of the property (the object being displayed is encapsulated by the
28: * context).
29: */
30: Object getPropertyValue();
31:
32: /**
33: * Returns the message catalog appropriate for use. In practice, this is the message catalog of
34: * the container of the {@link Grid} component.
35: */
36: Messages getContainerMessages();
37: }
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