01: /*
02: * Licensed to the Apache Software Foundation (ASF) under one or more
03: * contributor license agreements. See the NOTICE file distributed with
04: * this work for additional information regarding copyright ownership.
05: * The ASF licenses this file to You under the Apache License, Version 2.0
06: * (the "License"); you may not use this file except in compliance with
07: * the License. You may obtain a copy of the License at
08: *
09: * http://www.apache.org/licenses/LICENSE-2.0
10: *
11: * Unless required by applicable law or agreed to in writing, software
12: * distributed under the License is distributed on an "AS IS" BASIS,
13: * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
14: * See the License for the specific language governing permissions and
15: * limitations under the License.
16: *
17: * $Header:$
18: */
19: package org.apache.beehive.netui.databinding.datagrid.runtime.rendering.cell;
20:
21: import javax.servlet.jsp.JspContext;
22:
23: import org.apache.beehive.netui.databinding.datagrid.api.exceptions.CellDecoratorException;
24: import org.apache.beehive.netui.databinding.datagrid.api.rendering.CellModel;
25: import org.apache.beehive.netui.databinding.datagrid.api.rendering.CellDecorator;
26: import org.apache.beehive.netui.databinding.datagrid.runtime.model.cell.HeaderCellModel;
27: import org.apache.beehive.netui.tags.rendering.AbstractRenderAppender;
28: import org.apache.beehive.netui.tags.rendering.ConstantRendering;
29: import org.apache.beehive.netui.tags.rendering.TagRenderingBase;
30:
31: /**
32: *
33: */
34: public class HeaderCellDecorator extends CellDecorator {
35:
36: public void decorate(JspContext jspContext,
37: AbstractRenderAppender appender, CellModel cellModel)
38: throws CellDecoratorException {
39:
40: assert cellModel instanceof HeaderCellModel;
41: HeaderCellModel headerCellModel = (HeaderCellModel) cellModel;
42:
43: /* todo: formatting doesn't work on header cell values */
44: if (headerCellModel.getValue() != null)
45: appender.append(headerCellModel.getValue().toString());
46: /* todo: should convert this over to using the HtmlConstants rendering support */
47: else
48: appender.append(" ");
49:
50: }
51: }
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