org.icefaces.ace.component.simpleselectonemenu.SimpleSelectOneMenuRenderer Maven / Gradle / Ivy
Go to download
Show more of this group Show more artifacts with this name
Show all versions of icefaces-ace Show documentation
Show all versions of icefaces-ace Show documentation
${icefaces.product.name} ACE Component Library
/*
* Copyright 2004-2013 ICEsoft Technologies Canada Corp.
*
* 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.icefaces.ace.component.simpleselectonemenu;
import org.icefaces.ace.renderkit.InputRenderer;
import org.icefaces.render.MandatoryResourceComponent;
import org.icefaces.ace.util.JSONBuilder;
import org.icefaces.util.EnvUtils;
import org.icefaces.ace.event.TextChangeEvent;
import javax.faces.component.UIComponent;
import javax.faces.context.ExternalContext;
import javax.faces.context.FacesContext;
import javax.faces.context.ResponseWriter;
import javax.faces.event.ActionEvent;
import javax.faces.model.SelectItem;
import javax.faces.convert.Converter;
import javax.faces.convert.ConverterException;
import javax.el.ELContext;
import javax.el.ValueExpression;
import java.util.HashMap;
import java.util.Iterator;
import java.util.Map;
import java.io.IOException;
@MandatoryResourceComponent(tagName="simpleSelectOneMenu", value="org.icefaces.ace.component.simpleselectonemenu.SimpleSelectOneMenu")
public class SimpleSelectOneMenuRenderer extends InputRenderer {
public boolean getRendersChildren() {
return true;
}
public void decode(FacesContext facesContext, UIComponent uiComponent) {
SimpleSelectOneMenu simpleSelectOneMenu = (SimpleSelectOneMenu) uiComponent;
simpleSelectOneMenu.setItemList(null);
Map requestMap = facesContext.getExternalContext().getRequestParameterMap();
String clientId = simpleSelectOneMenu.getClientId(facesContext);
String value = (String) requestMap.get(clientId + "_input");
simpleSelectOneMenu.setSubmittedValue(value);
decodeBehaviors(facesContext, simpleSelectOneMenu);
}
public void encodeBegin(FacesContext facesContext, UIComponent uiComponent) throws IOException {
ResponseWriter writer = facesContext.getResponseWriter();
String clientId = uiComponent.getClientId(facesContext);
SimpleSelectOneMenu simpleSelectOneMenu = (SimpleSelectOneMenu) uiComponent;
boolean ariaEnabled = EnvUtils.isAriaEnabled(facesContext);
Map paramMap = facesContext.getExternalContext().getRequestParameterMap();
Map labelAttributes = getLabelAttributes(uiComponent);
String inFieldLabel = (String) labelAttributes.get("inFieldLabel");
String inFieldLabelStyleClass = "";
String iceFocus = (String) paramMap.get("ice.focus");
String mousedownScript = (String) uiComponent.getAttributes().get("onmousedown");
String onfocusCombinedValue = "setFocus(this.id);";
String onblurCombinedValue = "";
Object onfocusAppValue = uiComponent.getAttributes().get("onfocus");
Object onblurAppValue = uiComponent.getAttributes().get("onblur");
Object onchangeAppValue = uiComponent.getAttributes().get("onchange");
String inputClientId = clientId + "_input";
// root
writer.startElement("span", null);
writer.writeAttribute("id", clientId, null);
writer.writeAttribute("class", "ui-simpleselectonemenu " + simpleSelectOneMenu.getStyleClass(), null);
writeLabelAndIndicatorBefore(labelAttributes);
// select field
writer.startElement("select", null);
writer.writeAttribute("name", inputClientId, null);
String stateClass = simpleSelectOneMenu.isDisabled() ? "ui-state-disabled" : "ui-state-default";
writer.writeAttribute("class", "ui-widget ui-inputfield " + stateClass + getStateStyleClasses(simpleSelectOneMenu) + inFieldLabelStyleClass, null);
writer.writeAttribute("style", simpleSelectOneMenu.getStyle(), null);
if (ariaEnabled) {
writer.writeAttribute("role", "select", null);
Map ariaAttributes = new HashMap();
ariaAttributes.put("required", simpleSelectOneMenu.isRequired());
ariaAttributes.put("disabled", simpleSelectOneMenu.isDisabled());
ariaAttributes.put("invalid", !simpleSelectOneMenu.isValid());
writeAriaAttributes(ariaAttributes, labelAttributes);
}
String accesskey = simpleSelectOneMenu.getAccesskey();
if (accesskey != null) writer.writeAttribute("accesskey", accesskey, null);
String dir = simpleSelectOneMenu.getDir();
if (dir != null) writer.writeAttribute("dir", dir, null);
boolean disabled = simpleSelectOneMenu.isDisabled();
if (disabled) writer.writeAttribute("disabled", "disabled", null);
String lang = simpleSelectOneMenu.getLang();
if (lang != null) writer.writeAttribute("lang", lang, null);
boolean readonly = simpleSelectOneMenu.isReadonly();
if (readonly) writer.writeAttribute("readonly", "readonly", null);
String tabindex = simpleSelectOneMenu.getTabindex();
if (tabindex != null) writer.writeAttribute("tabindex", tabindex, null);
String title = simpleSelectOneMenu.getTitle();
if (title != null) writer.writeAttribute("title", title, null);
populateList(facesContext, simpleSelectOneMenu);
writer.endElement("select");
writeLabelAndIndicatorAfter(labelAttributes);
if (org.icefaces.impl.util.Util.withinSingleSubmit(simpleSelectOneMenu)
|| !simpleSelectOneMenu.getClientBehaviors().isEmpty()) {
// script
JSONBuilder jb = JSONBuilder.create();
jb.beginMap()
.entry("p", ""); // dummy property
encodeClientBehaviors(facesContext, simpleSelectOneMenu, jb);
jb.endMap();
writer.startElement("script", null);
writer.writeAttribute("type", "text/javascript", null);
writer.writeText("ice.ace.SimpleSelectOneMenu('" + clientId + "', " + jb.toString() + ");", null);
writer.endElement("script");
}
writer.endElement("span");
}
public void populateList(FacesContext facesContext, SimpleSelectOneMenu simpleSelectOneMenu) throws IOException {
ResponseWriter writer = facesContext.getResponseWriter();
Object value = simpleSelectOneMenu.getValue();
String clientId = simpleSelectOneMenu.getClientId(facesContext);
boolean ariaEnabled = EnvUtils.isAriaEnabled(facesContext);
simpleSelectOneMenu.populateItemList();
Iterator matches = simpleSelectOneMenu.getItemListIterator();
if (matches.hasNext()) {
StringBuffer sb = new StringBuffer();
SelectItem item = null;
boolean selectedFound = false;
String role = "";
if (ariaEnabled) role = " role=\"option\"";
while (matches.hasNext()) {
item = (SelectItem) matches.next();
String itemLabel = item.getLabel();
Object itemValue = item.getValue();
if (itemValue != null) {
try {
itemValue = getConvertedValue(facesContext, simpleSelectOneMenu, item.getValue());
} catch (Exception e) {
itemValue = item.getValue().toString();
}
}
String selected = "";
if (!selectedFound && value != null && value.toString().equals(itemValue.toString())) {
selected = " selected=\"selected\"";
selectedFound = true;
}
itemLabel = itemLabel == null ? itemValue.toString() : itemLabel;
if (item.isDisabled()) {
sb.append("");
} else {
sb.append("");
}
}
writer.write(sb.toString());
}
}
public void encodeEnd(FacesContext facesContext, UIComponent uiComponent) throws IOException {
}
@Override
public Object getConvertedValue(FacesContext context, UIComponent component, Object submittedValue) throws ConverterException {
SimpleSelectOneMenu simpleSelectOneMenu = (SimpleSelectOneMenu) component;
String value = (String) submittedValue;
Converter converter = simpleSelectOneMenu.getConverter();
if(converter != null) {
return converter.getAsObject(context, simpleSelectOneMenu, value);
}
else {
ValueExpression ve = simpleSelectOneMenu.getValueExpression("value");
if(ve != null) {
Class valueType = ve.getType(context.getELContext());
Converter converterForType = context.getApplication().createConverter(valueType);
if(converterForType != null) {
return converterForType.getAsObject(context, simpleSelectOneMenu, value);
}
}
}
return value;
}
}