/*
* Licensed to the Apache Software Foundation (ASF) under one
* or more contributor license agreements. See the NOTICE file
* distributed with this work for additional information
* regarding copyright ownership. The ASF licenses this file
* to you under the Apache License, Version 2.0 (the
* "License"); you may not use this file except in compliance
* with the License. You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing,
* software distributed under the License is distributed on an
* "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
* KIND, either express or implied. See the License for the
* specific language governing permissions and limitations
* under the License.
*/
package org.apache.empire.struts2.jsp.tags;
import javax.servlet.http.HttpServletRequest;
import javax.servlet.http.HttpServletResponse;
import javax.servlet.jsp.JspException;
import org.apache.empire.commons.ObjectUtils;
import org.apache.empire.commons.OptionEntry;
import org.apache.empire.commons.Options;
import org.apache.empire.struts2.html.HtmlWriter;
import org.apache.empire.struts2.html.HtmlWriter.HtmlTag;
import org.apache.struts2.components.Component;
import com.opensymphony.xwork2.util.ValueStack;
@SuppressWarnings("serial")
public class SelectTag extends EmpireValueTagSupport
{
// Checkbox Tag
protected String name;
protected Options options;
protected Object allownull;
protected Object disabled;
// More UI
protected String tabindex;
protected String onclick;
protected String onchange;
protected String onfocus;
protected String onblur;
@Override
protected void resetParams()
{
name = null;
options = null;
allownull = null;
disabled = null;
// AbstractUITag
onclick = null;
onchange = null;
onfocus = null;
onblur = null;
tabindex = null;
// Value
super.resetParams();
}
@Override
public Component getBean(ValueStack stack, HttpServletRequest req, HttpServletResponse res)
{
return null;
}
@Override
public int doStartTag()
throws JspException
{
// Select Input Tag
HtmlWriter w = new HtmlWriter(pageContext.getOut());
HtmlTag select = w.startTag("select");
addStandardAttributes(select, null);
select.addAttribute("name", getTagName(name));
select.addAttribute("disabled", getBoolean(disabled, false));
select.addAttribute("tabindex", this.tabindex);
// Event Attributes
select.addAttribute("onclick", this.onclick);
select.addAttribute("onchange", this.onchange);
select.addAttribute("onfocus", this.onfocus);
select.addAttribute("onblur", this.onblur);
select.beginBody(true);
// Render List of Options
if (options!=null)
{ // Render option list
Object current = getValue();
if (getBoolean(allownull, false) && options.contains(null)==false)
{ // add an empty entry
HtmlTag option = w.startTag("option");
option.addAttributeNoCheck("value", "", false);
option.addAttribute("selected", ObjectUtils.isEmpty(current));
option.beginBody("");
option.endTag(true);
}
for (OptionEntry entry : options)
{
Object value = entry.getValue();
boolean isCurrent = ObjectUtils.compareEqual(current, value);
// Add Option entry
HtmlTag option = w.startTag("option");
option.addAttributeNoCheck("value", value, true);
option.addAttribute("selected", isCurrent);
option.beginBody(getTranslation(entry.getText()));
option.endTag(true);
}
}
else
{ // No Option list available
log.error("No options available for select tag.");
}
// done
select.endTag();
// return usesBody ? EVAL_BODY_BUFFERED : EVAL_BODY_INCLUDE;
return SKIP_BODY;
}
@Override
public int doEndTag()
throws JspException
{ // done
resetParams();
return EVAL_PAGE;
}
// -------------------------------- Property accessors -----------------------------
public void setName(String name)
{
this.name = name;
}
public void setOptions(Options options)
{
this.options = options;
}
public void setAllownull(Object allownull)
{
this.allownull = allownull;
}
public void setDisabled(Object disabled)
{
this.disabled = disabled;
}
public void setTabindex(String tabindex)
{
this.tabindex = tabindex;
}
public void setOnclick(String onclick)
{
this.onclick = onclick;
}
public void setOnchange(String onchange)
{
this.onchange = onchange;
}
public void setOnfocus(String onfocus)
{
this.onfocus = onfocus;
}
public void setOnblur(String onblur)
{
this.onblur = onblur;
}
}