01: /**
02: * Copyright 2006 Webmedia Group Ltd.
03: *
04: * Licensed under the Apache License, Version 2.0 (the "License");
05: * you may not use this file except in compliance with the License.
06: * You may obtain a copy of the License at
07: *
08: * http://www.apache.org/licenses/LICENSE-2.0
09: *
10: * Unless required by applicable law or agreed to in writing, software
11: * distributed under the License is distributed on an "AS IS" BASIS,
12: * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
13: * See the License for the specific language governing permissions and
14: * limitations under the License.
15: **/package org.araneaframework.jsp.tag.basic;
16:
17: import java.io.Writer;
18: import javax.servlet.jsp.JspException;
19: import org.araneaframework.jsp.tag.BaseTag;
20: import org.araneaframework.jsp.util.JspUtil;
21:
22: /**
23: * Load event tag.
24: *
25: * @author Maksim Boiko (max@webmedia.ee)
26: *
27: * @jsp.tag
28: * name = "onLoadEvent"
29: * body-content = "empty"
30: * description = "Registers events on body load."
31: */
32: public class OnLoadEventHtmlTag extends BaseTag {
33: protected String event = "return true;";
34:
35: protected int doStartTag(Writer out) throws Exception {
36: super .doStartTag(out);
37: JspUtil.writeStartTag(out, "script");
38: out.write("_ap.addClientLoadEvent(");
39: out.write("function() {");
40: JspUtil.writeEscapedAttribute(out, event);
41: out.write("} );\n");
42: JspUtil.writeEndTag(out, "script");
43:
44: return SKIP_BODY;
45: }
46:
47: /**
48: * @jsp.attribute
49: * type = "java.lang.String"
50: * required = "true"
51: * description = "Event to register."
52: */
53: public void setEvent(String event) throws JspException {
54: this .event = (String) evaluate("event", event, String.class);
55: }
56: }
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