/*
* 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.myfaces.tobago.renderkit.html.scarborough.standard.tag;
import org.apache.myfaces.tobago.component.Attributes;
import org.apache.myfaces.tobago.component.Facets;
import org.apache.myfaces.tobago.component.RendererTypes;
import org.apache.myfaces.tobago.component.UIMenuCommand;
import org.apache.myfaces.tobago.component.UISelectBooleanCheckbox;
import org.apache.myfaces.tobago.context.Markup;
import org.apache.myfaces.tobago.context.ResourceManagerUtils;
import org.apache.myfaces.tobago.internal.util.AccessKeyMap;
import org.apache.myfaces.tobago.layout.Measure;
import org.apache.myfaces.tobago.renderkit.CommandRendererBase;
import org.apache.myfaces.tobago.renderkit.LabelWithAccessKey;
import org.apache.myfaces.tobago.renderkit.css.Classes;
import org.apache.myfaces.tobago.renderkit.css.Style;
import org.apache.myfaces.tobago.renderkit.html.Command;
import org.apache.myfaces.tobago.renderkit.html.CommandMap;
import org.apache.myfaces.tobago.renderkit.html.DataAttributes;
import org.apache.myfaces.tobago.renderkit.html.HtmlAttributes;
import org.apache.myfaces.tobago.renderkit.html.HtmlElements;
import org.apache.myfaces.tobago.renderkit.html.HtmlInputTypes;
import org.apache.myfaces.tobago.renderkit.html.JsonUtils;
import org.apache.myfaces.tobago.renderkit.html.util.HtmlRendererUtils;
import org.apache.myfaces.tobago.renderkit.util.RenderUtils;
import org.apache.myfaces.tobago.util.ComponentUtils;
import org.apache.myfaces.tobago.webapp.TobagoResponseWriter;
import org.slf4j.Logger;
import org.slf4j.LoggerFactory;
import javax.faces.component.UIComponent;
import javax.faces.component.UISelectOne;
import javax.faces.context.FacesContext;
import javax.faces.model.SelectItem;
import java.io.IOException;
import java.util.List;
/**
* Does the decoding with parent class CommandRendererBase.
*
* @see CommandRendererBase
*/
public class MenuCommandRenderer extends CommandRendererBase {
private static final Logger LOG = LoggerFactory.getLogger(MenuCommandRenderer.class);
@Override
public void encodeBegin(FacesContext facesContext, UIComponent component) throws IOException {
UIMenuCommand menu = (UIMenuCommand) component;
TobagoResponseWriter writer = HtmlRendererUtils.getTobagoResponseWriter(facesContext);
boolean disabled = menu.isDisabled();
boolean firstLevel = RendererTypes.MENU_BAR.equals(menu.getParent().getRendererType());
LabelWithAccessKey label = new LabelWithAccessKey(menu);
if (menu.getFacet(Facets.CHECKBOX) != null) {
// checkbox menu
UISelectBooleanCheckbox checkbox = (UISelectBooleanCheckbox) menu.getFacet(Facets.CHECKBOX);
boolean checked = ComponentUtils.getBooleanAttribute(checkbox, Attributes.VALUE);
String image = checked ? "image/MenuCheckmark.gif" : null;
String hiddenId = checkbox.getClientId(facesContext);
final CommandMap map = new CommandMap(new Command());
encodeItem(facesContext, writer, menu, label, map, disabled, firstLevel, image, null, "selectBoolean");
encodeHidden(writer, hiddenId, checked);
} else if (menu.getFacet(Facets.RADIO) != null) {
// radio menu
String clientId = menu.getClientId(facesContext);
UISelectOne radio = (UISelectOne) menu.getFacet(Facets.RADIO);
List<SelectItem> items = RenderUtils.getSelectItems(radio);
String hiddenId = radio.getClientId(facesContext);
for (SelectItem item : items) {
boolean checked = item.getValue().equals(radio.getValue());
String image = checked ? "image/MenuRadioChecked.gif" : null;
final String labelText = item.getLabel();
label.reset();
if (labelText != null) {
if (labelText.indexOf(LabelWithAccessKey.INDICATOR) > -1) {
label.setup(labelText);
} else {
label.setText(labelText);
}
} else {
LOG.warn("Menu item has label=null where clientId=" + clientId);
}
final String formattedValue = RenderUtils.getFormattedValue(facesContext, radio, item.getValue());
final CommandMap map = new CommandMap(
new Command(clientId, null, null, null, null, null, null, null, null, null));
encodeItem(facesContext, writer, null, label, map, disabled, firstLevel, image, formattedValue, "selectOne");
}
encodeHidden(writer, hiddenId, getCurrentValue(facesContext, radio));
} else {
// normal menu command
String image = menu.getImage();
CommandMap map = new CommandMap(new Command(facesContext, menu));
encodeItem(facesContext, writer, menu, label, map, disabled, firstLevel, image, null, null);
}
}
private void encodeHidden(TobagoResponseWriter writer, String hiddenId, Object value) throws IOException {
writer.startElement(HtmlElements.INPUT, null);
writer.writeAttribute(HtmlAttributes.TYPE, HtmlInputTypes.HIDDEN, false);
writer.writeNameAttribute(hiddenId);
if (value != null) {
writer.writeAttribute(HtmlAttributes.VALUE, value.toString(), true);
}
writer.endElement(HtmlElements.INPUT);
}
private void encodeItem(
FacesContext facesContext, TobagoResponseWriter writer, UIMenuCommand component, LabelWithAccessKey label,
CommandMap map, boolean disabled, boolean firstLevel, String image, String value, String sub)
throws IOException {
writer.startElement(HtmlElements.LI, null);
if (component != null && !component.isTransient()) {
writer.writeIdAttribute(component.getClientId(facesContext));
}
Markup markup = null;
if (component != null) {
markup = component.getCurrentMarkup();
if (firstLevel) {
markup = Markup.TOP.add(markup);
}
}
// todo: solve workaround
String css = Classes.createWorkaround("menu", markup).getStringValue();
if (sub != null) {
css += " tobago-menu-" + sub;
}
writer.writeClassAttribute(css);
if (!disabled) {
writer.writeAttribute(DataAttributes.COMMANDS, JsonUtils.encode(map), true);
}
writer.writeAttribute(DataAttributes.VALUE, value, true);
if (component != null) {
HtmlRendererUtils.writeDataAttributes(facesContext, writer, component);
}
if (image != null) {
if (firstLevel) {
Style iconStyle = new Style();
iconStyle.setLeft(Measure.valueOf(0));
iconStyle.setTop(Measure.valueOf(0));
iconStyle.setHeight(Measure.valueOf(16));
iconStyle.setWidth(Measure.valueOf(16));
writer.startElement(HtmlElements.IMG, null);
String imageWithPath = ResourceManagerUtils.getImageOrDisabledImageWithPath(facesContext, image, disabled);
writer.writeAttribute(HtmlAttributes.SRC, imageWithPath, false);
String imageHover = ResourceManagerUtils
.getImageOrDisabledImageWithPath(facesContext, HtmlRendererUtils.createSrc(image, "Hover"), disabled);
if (imageHover != null) {
writer.writeAttribute(DataAttributes.SRC_DEFAULT, imageWithPath, false);
writer.writeAttribute(DataAttributes.SRC_HOVER, imageHover, false);
}
writer.writeAttribute(HtmlAttributes.ALT, label.getText(), true);
writer.writeStyleAttribute(iconStyle);
writer.endElement(HtmlElements.IMG);
} else {
Style style = new Style();
style.setBackgroundImage("url("
+ ResourceManagerUtils.getImageOrDisabledImageWithPath(facesContext, image, disabled)
+ ")");
writer.writeStyleAttribute(style);
}
}
writer.startElement(HtmlElements.A, null);
writer.writeAttribute(HtmlAttributes.HREF, "#", false);
if (image != null && firstLevel) {
writer.writeStyleAttribute("vertical-align:top");
}
// writer.writeIdAttribute(clientId);
if (label.getText() != null) {
if (label.getAccessKey() != null) {
if (LOG.isInfoEnabled()
&& !AccessKeyMap.addAccessKey(facesContext, label.getAccessKey())) {
LOG.info("duplicated accessKey : " + label.getAccessKey());
}
if (!disabled && component != null && label.getAccessKey() != null) {
writer.writeAttribute(HtmlAttributes.ACCESSKEY, Character.toString(label.getAccessKey()), false);
}
}
HtmlRendererUtils.writeLabelWithAccessKey(writer, label);
}
writer.endElement(HtmlElements.A);
writer.endElement(HtmlElements.LI);
}
public void encodeChildren(FacesContext facesContext, UIComponent component)
throws IOException {
}
public boolean getRendersChildren() {
return true;
}
}