package org.apache.myfaces.tobago.renderkit.html.scarborough.standard.tag;
/*
* 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.
*/
/*
* Created 07.02.2003 16:00:00.
* $Id: ButtonRenderer.java 538630 2007-05-16 15:26:43Z weber $
*/
import org.apache.commons.logging.Log;
import org.apache.commons.logging.LogFactory;
import static org.apache.myfaces.tobago.TobagoConstants.ATTR_DEFAULT_COMMAND;
import static org.apache.myfaces.tobago.TobagoConstants.ATTR_IMAGE;
import static org.apache.myfaces.tobago.TobagoConstants.ATTR_TIP;
import static org.apache.myfaces.tobago.TobagoConstants.ATTR_TRANSITION;
import org.apache.myfaces.tobago.component.ComponentUtil;
import org.apache.myfaces.tobago.component.UICommand;
import org.apache.myfaces.tobago.context.ResourceManagerUtil;
import org.apache.myfaces.tobago.renderkit.CommandRendererBase;
import org.apache.myfaces.tobago.renderkit.LabelWithAccessKey;
import org.apache.myfaces.tobago.renderkit.html.CommandRendererHelper;
import org.apache.myfaces.tobago.renderkit.html.HtmlAttributes;
import org.apache.myfaces.tobago.renderkit.html.HtmlConstants;
import org.apache.myfaces.tobago.renderkit.html.HtmlRendererUtil;
import org.apache.myfaces.tobago.util.AccessKeyMap;
import org.apache.myfaces.tobago.webapp.TobagoResponseWriter;
import javax.faces.component.UIComponent;
import javax.faces.context.FacesContext;
import javax.faces.context.ResponseWriter;
import java.io.IOException;
public class ButtonRenderer extends CommandRendererBase {
private static final Log LOG = LogFactory.getLog(ButtonRenderer.class);
public void encodeBegin(FacesContext facesContext, UIComponent component) throws IOException {
String clientId = component.getClientId(facesContext);
String buttonType = createButtonType(component);
CommandRendererHelper helper
= new CommandRendererHelper(facesContext, (UICommand) component, CommandRendererHelper.Tag.BUTTON);
TobagoResponseWriter writer = HtmlRendererUtil.getTobagoResponseWriter(facesContext);
LabelWithAccessKey label = new LabelWithAccessKey(component);
writer.startElement(HtmlConstants.BUTTON, component);
writer.writeAttribute(HtmlAttributes.TYPE, buttonType, false);
writer.writeNameAttribute(clientId);
writer.writeIdAttribute(clientId);
writer.writeAttributeFromComponent(HtmlAttributes.TITLE, ATTR_TIP);
writer.writeAttribute(HtmlAttributes.DISABLED, helper.isDisabled());
if (helper.getOnclick() != null) {
writer.writeAttribute(HtmlAttributes.ONCLICK, helper.getOnclick(), true);
}
writer.writeStyleAttribute();
writer.writeClassAttribute();
writer.flush(); // force closing the start tag
// image
String imageName = (String) component.getAttributes().get(ATTR_IMAGE);
if (imageName != null) {
String image = null;
if (imageName.startsWith("HTTP:") || imageName.startsWith("FTP:")
|| imageName.startsWith("/")) {
image = imageName;
// absolute Path to image : nothing to do
} else {
image = ResourceManagerUtil.getImageWithPath(facesContext, imageName, helper);
}
writer.startElement(HtmlConstants.IMG, null);
writer.writeAttribute(HtmlAttributes.SRC, image, true);
writer.writeAttribute(HtmlAttributes.ALT, "", false);
writer.endElement(HtmlConstants.IMG);
}
// label
if (label.getText() != null) {
if (imageName != null) {
writer.writeText(" "); // separator: e.g.
}
HtmlRendererUtil.writeLabelWithAccessKey(writer, label);
}
// AcceleratorKey
if (label.getAccessKey() != null) {
if (LOG.isInfoEnabled()
&& !AccessKeyMap.addAccessKey(facesContext, label.getAccessKey())) {
LOG.info("dublicated accessKey : " + label.getAccessKey());
}
HtmlRendererUtil.addClickAcceleratorKey(
facesContext, clientId, label.getAccessKey());
}
if ("submit".equals(buttonType)) {
boolean transition = ComponentUtil.getBooleanAttribute(component, ATTR_TRANSITION);
HtmlRendererUtil.setDefaultTransition(facesContext, transition);
}
}
public void encodeEnd(FacesContext facesContext,
UIComponent component) throws IOException {
ResponseWriter writer = facesContext.getResponseWriter();
writer.endElement(HtmlConstants.BUTTON);
}
private String createButtonType(UIComponent component) {
boolean defaultCommand = ComponentUtil.getBooleanAttribute(component, ATTR_DEFAULT_COMMAND);
return defaultCommand ? "submit" : "button";
}
public int getFixedWidth(FacesContext facesContext, UIComponent component) {
int width = 0;
String imageName = (String) component.getAttributes().get(ATTR_IMAGE);
if (imageName != null) {
width = getConfiguredValue(facesContext, component, "imageWidth");
}
LabelWithAccessKey label = new LabelWithAccessKey(component);
if (label.getText() != null) {
width += label.getText().length()*getConfiguredValue(facesContext, component, "fontWidth");
}
int padding = getConfiguredValue(facesContext, component, "paddingWidth");
width += 2 * padding;
if (imageName != null && label.getText() != null){
width += padding;
}
return width;
}
}