/*
* 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.controls;
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;
public class SelectInputControl extends InputControl
{
@Override
public void renderInput(HtmlWriter writer, ControlInfo ci)
{
boolean disabled = ci.getDisabled();
HtmlTag input = writer.startTag("select");
input.addAttribute("id", ci.getId());
input.addAttribute("class", ci.getCssClass());
input.addAttribute("style", ci.getCssStyle());
if (disabled)
{
input.addAttribute("disabled");
} else
{
input.addAttribute("name", ci.getName());
}
// Event Attributes
input.addAttribute("onclick", ci.getOnclick());
input.addAttribute("onchange", ci.getOnchange());
input.addAttribute("onfocus", ci.getOnfocus());
input.addAttribute("onblur", ci.getOnblur());
input.beginBody(true);
// Render List of Options
Options options = ci.getOptions();
if (options!=null)
{ // Render option list
Object current = ci.getValue();
if (hasFormatOption(ci, "allownull") && options.contains(null)==false)
{ // add an empty entry
addEmtpyEntry(writer, ObjectUtils.isEmpty(current));
}
for (OptionEntry entry : options)
{
Object value = entry.getValue();
boolean isCurrent = ObjectUtils.compareEqual(current, value);
if (isCurrent == false && disabled)
continue; //
// Add Option entry
HtmlTag option = writer.startTag("option");
option.addAttributeNoCheck("value", value, true);
option.addAttribute("selected", isCurrent);
option.beginBody(ci.getTranslation(entry.getText()));
option.endTag(true);
}
}
else
{ // No Option list available
log.error("No options available for select input control.");
}
// done
input.endTag();
}
private void addEmtpyEntry(HtmlWriter writer, boolean isCurrent)
{
// Add Option entry
HtmlTag option = writer.startTag("option");
option.addAttributeNoCheck("value", "", false);
option.addAttribute("selected", isCurrent);
option.beginBody("");
option.endTag(true);
}
}