elimgtag.java

jakarta-struts-1.2.4-src

/*
 * $Header: /home/cvs/jakarta-struts/contrib/struts-el/src/share/org/apache/strutsel/taglib/html/ELImgTag.java,v 1.14 2004/03/14 07:15:01 sraeburn Exp $
 * $Revision: 1.14 $
 * $Date: 2004/03/14 07:15:01 $
 *
 * Copyright 1999-2004 The Apache Software Foundation.
 * 
 * Licensed 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.strutsel.taglib.html;

import org.apache.struts.taglib.html.ImgTag;
import javax.servlet.jsp.JspException;
import org.apache.strutsel.taglib.utils.EvalHelper;

/**
 * Generate an IMG tag to the specified image URI.
 * <p>
 * TODO:
 * <ul>
 *   <li>make the <strong>alt</strong>, <strong>src</strong>, and
 *       <strong>lowsrc</strong> settable from properties (for i18n)</li>
 *   <li>handle <strong>onLoad</strong>, <strong>onAbort</strong>, and
 *       <strong>onError</strong> events (my JavaScript book is very old,
 *       there may be more unsupported events in the past couple of IE
 *       versions)
 * </ul>
 *<p>
 * This class is a subclass of the class
 * <code>org.apache.struts.taglib.html.ImgTag</code> which provides most of
 * the described functionality.  This subclass allows all attribute values to
 * be specified as expressions utilizing the JavaServer Pages Standard Library
 * expression language.
 *
 * @version $Revision: 1.14 $
 */
public class ELImgTag extends ImgTag {

    /**
     * Instance variable mapped to "action" tag attribute.
     * (Mapping set in associated BeanInfo class.)
     */
    private String actionExpr;
    /**
     * Instance variable mapped to "module" tag attribute.
     * (Mapping set in associated BeanInfo class.)
     */
    private String moduleExpr;
    /**
     * Instance variable mapped to "align" tag attribute.
     * (Mapping set in associated BeanInfo class.)
     */
    private String alignExpr;
    /**
     * Instance variable mapped to "alt" tag attribute.
     * (Mapping set in associated BeanInfo class.)
     */
    private String altExpr;
    /**
     * Instance variable mapped to "altKey" tag attribute.
     * (Mapping set in associated BeanInfo class.)
     */
    private String altKeyExpr;
    /**
     * Instance variable mapped to "border" tag attribute.
     * (Mapping set in associated BeanInfo class.)
     */
    private String borderExpr;
    /**
     * Instance variable mapped to "bundle" tag attribute.
     * (Mapping set in associated BeanInfo class.)
     */
    private String bundleExpr;
    /**
     * Instance variable mapped to "contextRelative" tag attribute.
     * (Mapping set in associated BeanInfo class.)
     */
    private String contextRelativeExpr;
    /**
     * Instance variable mapped to "height" tag attribute.
     * (Mapping set in associated BeanInfo class.)
     */
    private String heightExpr;
    /**
     * Instance variable mapped to "hspace" tag attribute.
     * (Mapping set in associated BeanInfo class.)
     */
    private String hspaceExpr;
    /**
     * Instance variable mapped to "imageName" tag attribute.
     * (Mapping set in associated BeanInfo class.)
     */
    private String imageNameExpr;
    /**
     * Instance variable mapped to "ismap" tag attribute.
     * (Mapping set in associated BeanInfo class.)
     */
    private String ismapExpr;
    /**
     * Instance variable mapped to "locale" tag attribute.
     * (Mapping set in associated BeanInfo class.)
     */
    private String localeExpr;
    /**
     * Instance variable mapped to "lowsrc" tag attribute.
     * (Mapping set in associated BeanInfo class.)
     */
    private String lowsrcExpr;
    /**
     * Instance variable mapped to "name" tag attribute.
     * (Mapping set in associated BeanInfo class.)
     */
    private String nameExpr;
    /**
     * Instance variable mapped to "onclick" tag attribute.
     * (Mapping set in associated BeanInfo class.)
     */
    private String onclickExpr;
    /**
     * Instance variable mapped to "ondblclick" tag attribute.
     * (Mapping set in associated BeanInfo class.)
     */
    private String ondblclickExpr;
    /**
     * Instance variable mapped to "onkeydown" tag attribute.
     * (Mapping set in associated BeanInfo class.)
     */
    private String onkeydownExpr;
    /**
     * Instance variable mapped to "onkeypress" tag attribute.
     * (Mapping set in associated BeanInfo class.)
     */
    private String onkeypressExpr;
    /**
     * Instance variable mapped to "onkeyup" tag attribute.
     * (Mapping set in associated BeanInfo class.)
     */
    private String onkeyupExpr;
    /**
     * Instance variable mapped to "onmousedown" tag attribute.
     * (Mapping set in associated BeanInfo class.)
     */
    private String onmousedownExpr;
    /**
     * Instance variable mapped to "onmousemove" tag attribute.
     * (Mapping set in associated BeanInfo class.)
     */
    private String onmousemoveExpr;
    /**
     * Instance variable mapped to "onmouseout" tag attribute.
     * (Mapping set in associated BeanInfo class.)
     */
    private String onmouseoutExpr;
    /**
     * Instance variable mapped to "onmouseover" tag attribute.
     * (Mapping set in associated BeanInfo class.)
     */
    private String onmouseoverExpr;
    /**
     * Instance variable mapped to "onmouseup" tag attribute.
     * (Mapping set in associated BeanInfo class.)
     */
    private String onmouseupExpr;
    /**
     * Instance variable mapped to "paramId" tag attribute.
     * (Mapping set in associated BeanInfo class.)
     */
    private String paramIdExpr;
    /**
     * Instance variable mapped to "page" tag attribute.
     * (Mapping set in associated BeanInfo class.)
     */
    private String pageExpr;
    /**
     * Instance variable mapped to "pageKey" tag attribute.
     * (Mapping set in associated BeanInfo class.)
     */
    private String pageKeyExpr;
    /**
     * Instance variable mapped to "paramName" tag attribute.
     * (Mapping set in associated BeanInfo class.)
     */
    private String paramNameExpr;
    /**
     * Instance variable mapped to "paramProperty" tag attribute.
     * (Mapping set in associated BeanInfo class.)
     */
    private String paramPropertyExpr;
    /**
     * Instance variable mapped to "paramScope" tag attribute.
     * (Mapping set in associated BeanInfo class.)
     */
    private String paramScopeExpr;
    /**
     * Instance variable mapped to "property" tag attribute.
     * (Mapping set in associated BeanInfo class.)
     */
    private String propertyExpr;
    /**
     * Instance variable mapped to "scope" tag attribute.
     * (Mapping set in associated BeanInfo class.)
     */
    private String scopeExpr;
    /**
     * Instance variable mapped to "src" tag attribute.
     * (Mapping set in associated BeanInfo class.)
     */
    private String srcExpr;
    /**
     * Instance variable mapped to "srcKey" tag attribute.
     * (Mapping set in associated BeanInfo class.)
     */
    private String srcKeyExpr;
    /**
     * Instance variable mapped to "style" tag attribute.
     * (Mapping set in associated BeanInfo class.)
     */
    private String styleExpr;
    /**
     * Instance variable mapped to "styleClass" tag attribute.
     * (Mapping set in associated BeanInfo class.)
     */
    private String styleClassExpr;
    /**
     * Instance variable mapped to "styleId" tag attribute.
     * (Mapping set in associated BeanInfo class.)
     */
    private String styleIdExpr;
    /**
     * Instance variable mapped to "title" tag attribute.
     * (Mapping set in associated BeanInfo class.)
     */
    private String titleExpr;
    /**
     * Instance variable mapped to "titleKey" tag attribute.
     * (Mapping set in associated BeanInfo class.)
     */
    private String titleKeyExpr;
    /**
     * Instance variable mapped to "useLocalEncoding" tag attribute.
     * (Mapping set in associated BeanInfo class.)
     */
    private String useLocalEncodingExpr;
    /**
     * Instance variable mapped to "usemap" tag attribute.
     * (Mapping set in associated BeanInfo class.)
     */
    private String usemapExpr;
    /**
     * Instance variable mapped to "vspace" tag attribute.
     * (Mapping set in associated BeanInfo class.)
     */
    private String vspaceExpr;
    /**
     * Instance variable mapped to "width" tag attribute.
     * (Mapping set in associated BeanInfo class.)
     */
    private String widthExpr;

    /**
     * Getter method for "action" tag attribute.
     * (Mapping set in associated BeanInfo class.)
     */
    public String getActionExpr() { return (actionExpr); }
    /**
     * Getter method for "module" tag attribute.
     * (Mapping set in associated BeanInfo class.)
     */
    public String getModuleExpr() { return (moduleExpr); }
    /**
     * Getter method for "align" tag attribute.
     * (Mapping set in associated BeanInfo class.)
     */
    public String getAlignExpr() { return (alignExpr); }
    /**
     * Getter method for "alt" tag attribute.
     * (Mapping set in associated BeanInfo class.)
     */
    public String getAltExpr() { return (altExpr); }
    /**
     * Getter method for "altKey" tag attribute.
     * (Mapping set in associated BeanInfo class.)
     */
    public String getAltKeyExpr() { return (altKeyExpr); }
    /**
     * Getter method for "border" tag attribute.
     * (Mapping set in associated BeanInfo class.)
     */
    public String getBorderExpr() { return (borderExpr); }
    /**
     * Getter method for "bundle" tag attribute.
     * (Mapping set in associated BeanInfo class.)
     */
    public String getBundleExpr() { return (bundleExpr); }
    /**
     * Getter method for "contextRelative" tag attribute.
     * (Mapping set in associated BeanInfo class.)
     */
    public String getContextRelativeExpr() { return (contextRelativeExpr); }
    /**
     * Getter method for "height" tag attribute.
     * (Mapping set in associated BeanInfo class.)
     */
    public String getHeightExpr() { return (heightExpr); }
    /**
     * Getter method for "hspace" tag attribute.
     * (Mapping set in associated BeanInfo class.)
     */
    public String getHspaceExpr() { return (hspaceExpr); }
    /**
     * Getter method for "imageName" tag attribute.