/*
* $Id: FormButton.java 768855 2009-04-27 02:09:35Z wesw $
*
* 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.struts2.components;
import javax.servlet.http.HttpServletRequest;
import javax.servlet.http.HttpServletResponse;
import org.apache.struts2.views.annotations.StrutsTagAttribute;
import org.apache.struts2.dispatcher.mapper.ActionMapper;
import org.apache.struts2.dispatcher.mapper.ActionMapping;
import com.opensymphony.xwork2.util.ValueStack;
import com.opensymphony.xwork2.inject.Inject;
/**
* FormButton.
*/
public abstract class FormButton extends ClosingUIBean {
static final String BUTTONTYPE_INPUT = "input";
static final String BUTTONTYPE_BUTTON = "button";
static final String BUTTONTYPE_IMAGE = "image";
protected String action;
protected String method;
protected String align;
protected String type;
public FormButton(ValueStack stack, HttpServletRequest request, HttpServletResponse response) {
super(stack, request, response);
}
//public void evaluateParams() {
public void evaluateExtraParams() {
super.evaluateExtraParams();
if (align == null) {
align = "right";
}
String submitType = BUTTONTYPE_INPUT;
if (type != null && (BUTTONTYPE_BUTTON.equalsIgnoreCase(type) || (supportsImageType() && BUTTONTYPE_IMAGE.equalsIgnoreCase(type))))
{
submitType = type;
}
//super.evaluateParams();
addParameter("type", submitType);
if (!BUTTONTYPE_INPUT.equals(submitType) && (label == null)) {
addParameter("label", getParameters().get("nameValue"));
}
if (action != null || method != null) {
String name;
if (action != null) {
ActionMapping mapping = new ActionMapping();
mapping.setName(findString(action));
if (method != null) {
mapping.setMethod(findString(method));
}
mapping.setExtension("");
name = "action:" + actionMapper.getUriFromActionMapping(mapping);
} else {
name = "method:" + findString(method);
}
addParameter("name", name);
}
addParameter("align", findString(align));
}
/**
* Override UIBean's implementation, such that component Html id is determined
* in the following order :-
* <ol>
* <li>This component id attribute</li>
* <li>[containing_form_id]_[this_component_name]</li>
* <li>[containing_form_id]_[this_component_action]_[this_component_method]</li>
* <li>[containing_form_id]_[this_component_method]</li>
* <li>[this_component_name]</li>
* <li>[this_component_action]_[this_component_method]</li>
* <li>[this_component_method]</li>
* <li>[an increasing sequential number unique to the form starting with 0]</li>
* </ol>
*/
protected void populateComponentHtmlId(Form form) {
String _tmp_id = "";
if (id != null) {
// this check is needed for backwards compatibility with 2.1.x
_tmp_id = findStringIfAltSyntax(id);
}
else {
if (form != null && form.getParameters().get("id") != null) {
_tmp_id = _tmp_id + form.getParameters().get("id").toString() + "_";
}
if (name != null) {
_tmp_id = _tmp_id + escape(name);
} else if (action != null || method != null){
if (action != null) {
_tmp_id = _tmp_id + escape(action);
}
if (method != null) {
_tmp_id = _tmp_id + "_" + escape(method);
}
} else {
// if form is null, this component is used, without a form, i guess
// there's not much we could do then.
if (form != null) {
_tmp_id = _tmp_id + form.getSequence();
}
}
}
addParameter("id", _tmp_id);
}
/**
* Indicate whether the concrete button supports the type "image".
*
* @return <tt>true</tt> if type image is supported.
*/
protected abstract boolean supportsImageType();
@Inject
public void setActionMapper(ActionMapper mapper) {
this.actionMapper = mapper;
}
@StrutsTagAttribute(description="Set action attribute.")
public void setAction(String action) {
this.action = action;
}
@StrutsTagAttribute(description="Set method attribute.")
public void setMethod(String method) {
this.method = method;
}
@StrutsTagAttribute(description="HTML align attribute.")
public void setAlign(String align) {
this.align = align;
}
@StrutsTagAttribute(description="The type of submit to use. Valid values are <i>input</i>, " +
"<i>button</i> and <i>image</i>.", defaultValue="input")
public void setType(String type) {
this.type = type;
}
}
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