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.grid;
16:
17: import org.apache.tapestry.beaneditor.BeanModel;
18: import org.apache.tapestry.corelib.components.Grid;
19:
20: /**
21: * A provider of model data to the sub-components of the {@link Grid} component. The primary
22: * implementor of this component is the Grid component itself.
23: */
24: public interface GridModelProvider {
25: /**
26: * Returns the data model, which defines the columns (in terms of properties of the row type),
27: * and provides access to actual values for a given row instance.
28: */
29: BeanModel getDataModel();
30:
31: /** Returns the source for the data to be presented in the Grid. */
32: GridDataSource getDataSource();
33: }
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