org.icefaces.ace.component.radiobuttons.RadioButtonsRenderer Maven / Gradle / Ivy
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/*
* Original Code Copyright Prime Technology.
* Subsequent Code Modifications Copyright 2011-2014 ICEsoft Technologies Canada Corp. (c)
*
* 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.
*
* NOTE THIS CODE HAS BEEN MODIFIED FROM ORIGINAL FORM
*
* Subsequent Code Modifications have been made and contributed by ICEsoft Technologies Canada Corp. (c).
*
* Code Modification 1: Integrated with ICEfaces Advanced Component Environment.
* Contributors: ICEsoft Technologies Canada Corp. (c)
*
* Code Modification 2: (ICE-6978) Used JSONBuilder to add the functionality of escaping JS output.
* Contributors: ICEsoft Technologies Canada Corp. (c)
*/
package org.icefaces.ace.component.radiobuttons;
import org.icefaces.ace.component.radiobutton.RadioButtonRenderer;
import org.icefaces.ace.util.HTML;
import org.icefaces.ace.util.JSONBuilder;
import org.icefaces.ace.util.SelectItemsIterator;
import org.icefaces.ace.util.Utils;
import org.icefaces.render.MandatoryResourceComponent;
import org.icefaces.util.EnvUtils;
import org.icefaces.util.JavaScriptRunner;
import javax.el.ValueExpression;
import javax.faces.component.UIComponent;
import javax.faces.component.UIParameter;
import javax.faces.context.FacesContext;
import javax.faces.context.ResponseWriter;
import javax.faces.convert.Converter;
import javax.faces.convert.ConverterException;
import javax.faces.model.SelectItem;
import java.io.IOException;
import java.util.List;
import java.util.Map;
@MandatoryResourceComponent(tagName = "radioButtons", value = "org.icefaces.ace.component.radiobuttons.RadioButtons")
public class RadioButtonsRenderer extends RadioButtonRenderer {
@Override
public void decode(FacesContext context, UIComponent component) {
RadioButtons radioButtons = (RadioButtons) component;
String clientId = radioButtons.getClientId(context);
Map requestParameterValues =
context.getExternalContext().getRequestParameterMap();
if (requestParameterValues.containsKey(clientId)) {
String newValue = requestParameterValues.get(clientId);
if ("".equals(newValue)) {
if (radioButtons.isRequired()) radioButtons.setSubmittedValue("");
else radioButtons.setSubmittedValue(null);
radioButtons.setValue(null);
} else
radioButtons.setSubmittedValue(newValue);
} else {
radioButtons.setSubmittedValue(null);
}
decodeBehaviors(context, radioButtons);
}
public Object getConvertedValue(FacesContext facesContext, UIComponent uiComponent, Object submittedValue) throws ConverterException {
return submittedValue == null ? "" : submittedValue.toString();
}
@Override
public void encodeEnd(FacesContext context, UIComponent component) throws IOException {
ResponseWriter writer = context.getResponseWriter();
RadioButtons radioButtons = (RadioButtons) component;
String clientId = radioButtons.getClientId(context);
String style = (style = radioButtons.getStyle()) == null ? "" : style.trim();
String styleClass = (styleClass = radioButtons.getStyleClass()) == null ? "" : styleClass.trim();
styleClass += (styleClass.length() > 0 ? " " : "") + "ice-ace-radiobuttons ui-widget ui-widget-content ui-corner-all " +getStateStyleClasses(radioButtons);
writer.startElement("div", component);
writer.writeAttribute("id", clientId, "id");
if (style.length() > 0) {
writer.writeAttribute("style", style, "style");
}
writer.writeAttribute("class", styleClass, "styleClass");
UIComponent headerFacet = component.getFacet("header");
String headerText = (headerText = radioButtons.getHeader()) == null ? "" : headerText.trim();
if (headerFacet != null || headerText.length() > 0) {
writer.startElement("div", null);
writer.writeAttribute("class", "ui-widget-header ui-corner-top", null);
if (headerFacet != null) {
renderChild(context, headerFacet);
} else if (headerText.length() > 0) {
writer.write(headerText);
}
writer.endElement("div");
}
boolean required = radioButtons.isRequired();
String indicatorPosition = radioButtons.getIndicatorPosition();
String indicator = required ? radioButtons.getRequiredIndicator() : radioButtons.getOptionalIndicator();
if ("left".equalsIgnoreCase(indicatorPosition)
|| "top".equalsIgnoreCase(indicatorPosition)) {
if (indicator != null) {
writer.startElement("span", null);
writer.writeAttribute("class", "ice-indicator", null);
writer.write(indicator);
writer.endElement("span");
}
}
if ("top".equalsIgnoreCase(indicatorPosition)) {
writer.startElement("br", null);
writer.endElement("br");
}
// render buttons
Object currentSelection = radioButtons.getValue();
Converter converter = radioButtons.getConverter();
SelectItemsIterator selectItemsIterator = new SelectItemsIterator(context, radioButtons);
int i = 0;
if (!radioButtons.isValid()) {
while (selectItemsIterator.hasNext()) {
encodeButton(context, radioButtons, i++, selectItemsIterator.next(), converter, radioButtons.getSubmittedValue());
}
} else {
while (selectItemsIterator.hasNext()) {
encodeButton(context, radioButtons, i++, selectItemsIterator.next(), converter, currentSelection);
}
}
if ("bottom".equalsIgnoreCase(indicatorPosition)) {
writer.startElement("br", null);
writer.endElement("br");
}
if ("right".equalsIgnoreCase(indicatorPosition)
|| "bottom".equalsIgnoreCase(indicatorPosition)) {
if (indicator != null) {
writer.startElement("span", null);
writer.writeAttribute("class", "ice-indicator", null);
writer.write(indicator);
writer.endElement("span");
}
}
writer.startElement("input", radioButtons);
writer.writeAttribute("id", clientId + "_empty", null);
writer.writeAttribute("type", "hidden", null);
writer.writeAttribute("autocomplete", "off", null);
Object value = radioButtons.getValue();
if (value == null || "".equals(value)) {
writer.writeAttribute("name", clientId, null);
}
writer.writeAttribute("value", "", null);
writer.writeAttribute("data-ice-clear-ignore", "true", null);
writer.endElement("input");
writer.endElement("div");
}
private void encodeButton(FacesContext facesContext, RadioButtons radioButtons, int index, SelectItem item, Converter converter, Object currentSelection) throws IOException {
ResponseWriter writer = facesContext.getResponseWriter();
String clientId = radioButtons.getClientId(facesContext) + ":" + index;
String labelPosition = radioButtons.getLabelPosition();
String label = item.getLabel();
Object value = getConvertedValueForClient(facesContext, radioButtons, item.getValue());
boolean selected = isSelected(item.getValue(), currentSelection);
String firstWrapperClass = "ice-ace-radiobutton-main";
boolean ariaEnabled = EnvUtils.isAriaEnabled(facesContext);
// Root Container
writer.startElement(HTML.DIV_ELEM, radioButtons);
writer.writeAttribute(HTML.ID_ATTR, clientId, null);
renderResetSettings(facesContext, clientId, radioButtons);
writer.writeAttribute(HTML.CLASS_ATTR, "ice-ace-radiobutton", null);
String script = getScript(facesContext, writer, radioButtons, clientId, item.isDisabled());
writer.writeAttribute("data-init", "if (!document.getElementById('" + clientId + "').widget) " + script, null);
encodeScript(writer, EventType.HOVER);
if (label != null) {
if ("left".equalsIgnoreCase(labelPosition)
|| "top".equalsIgnoreCase(labelPosition)) {
writer.startElement("label", null);
writer.writeAttribute("id", "label_" + clientId, null);
writer.writeAttribute("for", clientId, null);
writer.write(label);
writer.endElement("label");
}
if ("top".equalsIgnoreCase(labelPosition)) {
writer.startElement("br", null);
writer.endElement("br");
}
}
encodeButtonWrappers(writer, firstWrapperClass);
if (ariaEnabled) {
encodeAriaEnabled(writer, item.isDisabled());
}
// Button Element
encodeButtonElementStart(writer,clientId);
String selectedClass = "";
selectedClass = (selected ? " ice-ace-radiobutton-selected" : "");
writer.writeAttribute(HTML.CLASS_ATTR, "ui-corner-all ui-widget-content" + selectedClass, null);
if (ariaEnabled) writer.writeAttribute(HTML.TABINDEX_ATTR, "0", null);
encodeButtonStyle(writer, item.isDisabled());
encodeScript(writer, EventType.FOCUS);
if (label != null && "inField".equalsIgnoreCase(radioButtons.getLabelPosition())) {
writer.startElement(HTML.SPAN_ELEM, null);
writer.writeAttribute(HTML.CLASS_ATTR, "ui-label", null);
writer.write(label);
writer.endElement(HTML.SPAN_ELEM);
} else {
writer.startElement(HTML.SPAN_ELEM, null);
encodeIconStyle(writer, (Boolean)selected);
writer.endElement(HTML.SPAN_ELEM);
}
writer.endElement(HTML.BUTTON_ELEM);
writer.endElement(HTML.SPAN_ELEM);
writer.endElement(HTML.SPAN_ELEM);
if (label != null) {
if ("bottom".equalsIgnoreCase(labelPosition)) {
writer.startElement("br", null);
writer.endElement("br");
}
if ("right".equalsIgnoreCase(labelPosition)
|| "bottom".equalsIgnoreCase(labelPosition)
|| labelPosition == null || "".equals(labelPosition)) {
writer.startElement("label", null);
writer.writeAttribute("id", "label_" + clientId, null);
writer.writeAttribute("for", clientId, null);
writer.write(label);
writer.endElement("label");
}
}
writer.startElement("input", radioButtons);
writer.writeAttribute("type", "hidden", null);
writer.writeAttribute("autocomplete", "off", null);
if (selected) writer.writeAttribute("name", radioButtons.getClientId(facesContext), null);
writer.writeAttribute("value", value, null);
writer.writeAttribute("data-value", value, null);
writer.writeAttribute("data-ice-clear-ignore", "true", null);
writer.endElement("input");
writer.endElement(HTML.DIV_ELEM);
JavaScriptRunner.runScript(facesContext, "ice.ace.radiobutton.register('"+clientId+"','"+radioButtons.getClientId(facesContext)+"');");
JavaScriptRunner.runScript(facesContext, "ice.ace.registerLazyComponent('" + clientId + "');");
}
private String getScript(FacesContext facesContext, ResponseWriter writer,
RadioButtons radioButtons, String clientId, boolean disabled) throws IOException {
String groupId = radioButtons.getClientId(facesContext);
boolean ariaEnabled = EnvUtils.isAriaEnabled(facesContext);
JSONBuilder jb = JSONBuilder.create();
List uiParamChildren = Utils.captureParameters(radioButtons);
jb.beginFunction("ice.ace.lazy")
.item("radiobutton")
.beginArray()
.item(clientId)
.beginMap()
.entry("groupId", groupId)
.entry("ariaEnabled", ariaEnabled)
.entry("radioButtons", radioButtons.getClientId(facesContext));
if (disabled) jb.entry("disabled", true);
if (uiParamChildren != null) {
jb.beginMap("uiParams");
for (UIParameter p : uiParamChildren)
jb.entry(p.getName(), (String)p.getValue());
jb.endMap();
}
encodeClientBehaviors(facesContext, radioButtons, jb);
jb.endMap().endArray().endFunction();
return jb.toString();
}
protected boolean isSelected(Object itemValue, Object currentSelection) {
if (currentSelection == null) return false;
if (itemValue == null) return false;
return currentSelection.equals(itemValue);
}
public String getConvertedValueForClient(FacesContext context, UIComponent component, Object value) throws ConverterException {
RadioButtons radioButtons = (RadioButtons) component;
Converter converter = radioButtons.getConverter();
if(converter != null) {
return converter.getAsString(context, radioButtons, value);
} else {
ValueExpression ve = radioButtons.getValueExpression("value");
if(ve != null) {
Class valueType = ve.getType(context.getELContext());
Converter converterForType = context.getApplication().createConverter(valueType);
if(converterForType != null) {
if (converterForType instanceof javax.faces.convert.EnumConverter && "".equals(value)) return converterForType.getAsString(context, radioButtons, null);
return converterForType.getAsString(context, radioButtons, value);
}
}
}
return (value != null ? value.toString() : "");
}
public void renderResetSettings(FacesContext context, String clientId, RadioButtons radioButtons) throws IOException {
ResponseWriter writer = context.getResponseWriter();
JSONBuilder jb = JSONBuilder.create();
jb.beginArray();
jb.item("radiobutton");
jb.beginArray();
jb.item(clientId);
jb.item(EnvUtils.isAriaEnabled(context));
jb.item(radioButtons.getClientId(context));
jb.endArray();
jb.endArray();
writer.writeAttribute("data-ice-reset", jb.toString(), null);
}
}