/*
* $RCSfile: CVRadioTag.java,v $ $Revision: 1.1.1.1 $ $Date: 2005/04/28 20:29:04 $ - $Author: mking_cv $
*
* The contents of this file are subject to the Open Software License
* Version 2.1 (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.centraview.com/opensource/license.html
*
* Software distributed under the License is distributed on an "AS IS"
* basis, WITHOUT WARRANTY OF ANY KIND, either express or implied. See the
* License for the specific language governing rights and limitations
* under the License.
*
* The Original Code is: CentraView Open Source.
*
* The developer of the Original Code is CentraView. Portions of the
* Original Code created by CentraView are Copyright (c) 2004 CentraView,
* LLC; All Rights Reserved. The terms "CentraView" and the CentraView
* logos are trademarks and service marks of CentraView, LLC.
*/
// package declaration
package com.centraview.udt;
import java.lang.reflect.InvocationTargetException;
import java.util.HashMap;
import javax.servlet.http.HttpServletRequest;
import javax.servlet.http.HttpSession;
import javax.servlet.jsp.JspException;
import org.apache.commons.beanutils.BeanUtils;
import org.apache.struts.taglib.html.BaseHandlerTag;
import org.apache.struts.taglib.html.Constants;
import org.apache.struts.util.MessageResources;
import org.apache.struts.util.RequestUtils;
import org.apache.struts.util.ResponseUtils;
import com.centraview.administration.authorization.ModuleFieldRightMatrix;
import com.centraview.common.UserObject;
/**
* Tag for input fields of type "radio".
*
* @author Craig R. McClanahan
* @author Ted Husted
* @author David Graham
* @version $Revision: 1.1.1.1 $ $Date: 2005/04/28 20:29:04 $
*/
public class CVRadioTag extends BaseHandlerTag {
// for cv field authorization
/**
* status field name string
*/
protected String fieldname;
/**
* status module name string
*/
protected String modulename;
/**
* status module name string
*/
protected int fieldRight = 0;
/**
*/
public String getFieldname() {
return fieldname;
}
/**
*/
public void setFieldname(String fieldname) {
this.fieldname = fieldname;
}
/**
*/
public String getModulename() {
return modulename;
}
/**
*/
public void setModulename(String modulename) {
this.modulename = modulename;
}
// end cv field authorization
// ----------------------------------------------------- Instance Variables
/**
* The message resources for this package.
*/
protected static MessageResources messages =
MessageResources.getMessageResources
("ApplicationResources");
/*
protected static MessageResources messages =
MessageResources.getMessageResources(Constants.Package + ".LocalStrings");
*/
/**
* The name of the bean containing our underlying property.
*/
protected String name = Constants.BEAN_KEY;
public String getName() {
return (this.name);
}
public void setName(String name) {
this.name = name;
}
/**
* The property name for this field.
*/
protected String property = null;
/**
* The body content of this tag (if any).
*/
protected String text = null;
/**
* The server value for this option.
*/
protected String value = null;
/**
* Name of the bean (in some scope) that will return the
* value of the radio tag.
* <p>
* If an iterator is used to render a series of radio tags,
* this field may be used to specify the name of the bean
* exposed by the iterator. In this case, the value attribute is
* used as the name of a property on the <code>idName</code> bean
* that returns the value of the radio tag in this iteration.
*/
protected String idName = null;
// ------------------------------------------------------------- Properties
/**
* Return the property name.
*/
public String getProperty() {
return (this.property);
}
/**
* Set the property name.
*
* @param property The new property name
*/
public void setProperty(String property) {
this.property = property;
}
/**
* Return the server value.
*/
public String getValue() {
return (this.value);
}
/**
* Set the server value.
*
* @param value The new server value
*/
public void setValue(String value) {
this.value = value;
}
/**
* Return the idName.
* @since Struts 1.1
*/
public String getIdName() {
return (this.idName);
}
/**
* Set the idName.
* @since Struts 1.1
*
* @param idName The new idName
*/
public void setIdName(String idName) {
this.idName=idName;
}
// --------------------------------------------------------- Public Methods
/**
* Generate the required input tag.
* [Indexed property since Struts 1.1]
*
* @exception JspException if a JSP exception has occurred
*/
public int doStartTag() throws JspException {
String radioTag = renderRadioElement(serverValue(), currentValue());
ResponseUtils.write(pageContext, radioTag);
this.text = null;
return (EVAL_BODY_TAG);
}
/**
* Return the String to be used in the radio tag's <code>value</code> attribute
* that gets sent to the server on form submission.
* @throws JspException
*/
private String serverValue() throws JspException {
// Not using indexed radio buttons
if (this.idName == null) {
return this.value;
}
String serverValue = this.lookupProperty(this.idName, this.value);
return (serverValue == null) ? "" : serverValue;
}
/**
* Acquire the current value of the bean specified by the <code>name</code>
* attribute and the property specified by the <code>property</code> attribute.
* This radio button with this value will be checked.
* @throws JspException
*/
private String currentValue() throws JspException {
String current = this.lookupProperty(this.name, this.property);
return (current == null) ? "" : current;
}
/**
* Renders an HTML <input type="radio"> element.
* @param serverValue The data to be used in the tag's <code>value</code>
* attribute and sent to the server when the form is submitted.
* @param checkedValue If the serverValue equals this value the radio button
* will be checked.
* @return A radio input element.
* @throws JspException
* @since Struts 1.1
*/
protected String renderRadioElement(String serverValue, String checkedValue)
throws JspException {
//Added by shilpa.
HttpSession session = ((HttpServletRequest)(pageContext.getRequest())).getSession();
ModuleFieldRightMatrix mfrmx = ((UserObject)session.getAttribute("userobject")).getUserPref().getModuleAuthorizationMatrix();
HashMap hm = mfrmx.getFieldRights(getModulename());
if (hm != null && hm.containsKey(getFieldname()))
{
fieldRight = ((Integer)hm.get(getFieldname())).intValue();
}
StringBuffer results = new StringBuffer("<input type=\"radio\"");
results.append(" name=\"");
// @since Struts 1.1
if (indexed) {
prepareIndex(results, name);
}
results.append(this.property);
results.append("\"");
if (accesskey != null) {
results.append(" accesskey=\"");
results.append(accesskey);
results.append("\"");
}
if (tabindex != null) {
results.append(" tabindex=\"");
results.append(tabindex);
results.append("\"");
}
results.append(" value=\"");
results.append(serverValue);
results.append("\"");
if (serverValue.equals(checkedValue) && (fieldRight != ModuleFieldRightMatrix.NONE_RIGHT || fieldRight == 0)) {
results.append(" checked=\"checked\"");
}
if (fieldRight > 0 && (fieldRight == ModuleFieldRightMatrix.VIEW_RIGHT || fieldRight == ModuleFieldRightMatrix.NONE_RIGHT))
results.append(" readonly=\"readonly\"");
results.append(prepareEventHandlers());
results.append(prepareStyles());
results.append(getElementClose());
return results.toString();
}
/**
* Save the associated label from the body content.
*
* @exception JspException if a JSP exception has occurred
*/
public int doAfterBody() throws JspException {
if (this.bodyContent != null) {
String value = this.bodyContent.getString().trim();
if (value.length() > 0) {
this.text = value;
}
}
return (SKIP_BODY);
}
/**
* Optionally render the associated label from the body content.
*
* @exception JspException if a JSP exception has occurred
*/
public int doEndTag() throws JspException {
// Render any description for this radio button
if (this.text != null) {
ResponseUtils.write(pageContext, text);
}
return (EVAL_PAGE);
}
/**
* Release any acquired resources.
*/
public void release() {
super.release();
name = Constants.BEAN_KEY;
property = null;
text = null;
value = null;
}
/**
* Searches all scopes for the bean and calls BeanUtils.getProperty() with the
* given arguments and converts any exceptions into JspException.
*
* @param beanName The name of the object to get the property from.
* @param property The name of the property to get.
* @return The value of the property.
* @throws JspException
* @since Struts 1.1
*/
protected String lookupProperty(String beanName, String property)
throws JspException {
Object bean = RequestUtils.lookup(this.pageContext, beanName, null);
if (bean == null) {
throw new JspException(messages.getMessage("getter.bean", beanName));
}
try {
return BeanUtils.getProperty(bean, property);
} catch (IllegalAccessException e) {
throw new JspException(
messages.getMessage("getter.access", property, beanName));
} catch (InvocationTargetException e) {
Throwable t = e.getTargetException();
throw new JspException(
messages.getMessage("getter.result", property, t.toString()));
} catch (NoSuchMethodException e) {
throw new JspException(
messages.getMessage("getter.method", property, beanName));
}
}
}