org.icefaces.mobi.component.flipswitch.FlipSwitchRenderer Maven / Gradle / Ivy
Go to download
Show more of this group Show more artifacts with this name
Show all versions of icefaces-mobi Show documentation
Show all versions of icefaces-mobi Show documentation
${icefaces.product.name} MOBI Component Library
/*
* Copyright 2004-2014 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.mobi.component.flipswitch;
import org.icefaces.ace.util.ComponentUtils;
import org.icefaces.ace.util.HTML;
import org.icefaces.ace.util.JSONBuilder;
import org.icefaces.ace.util.PassThruAttributeWriter;
import org.icefaces.util.ClientDescriptor;
import org.icefaces.util.UserAgentInfo;
import org.icefaces.mobi.renderkit.CoreRenderer;
import javax.faces.component.UIComponent;
import javax.faces.component.behavior.ClientBehaviorHolder;
import javax.faces.context.FacesContext;
import javax.faces.context.ResponseWriter;
import javax.faces.convert.ConverterException;
import javax.servlet.ServletRequest;
import javax.servlet.http.HttpServletRequest;
import java.io.IOException;
import java.util.Map;
import java.util.logging.Logger;
/**
* In addition to the rendering the renderer performs decode as well. This component
* doesn't use a hidden field for it value instead takes advantage of param support of JSF2
*/
public class FlipSwitchRenderer extends CoreRenderer {
private static final Logger logger = Logger.getLogger(FlipSwitchRenderer.class.getName());
// The decode method, in the renderer, is responsible for taking the values
//
public void decode(FacesContext facesContext, UIComponent uiComponent) {
// The RequestParameterMap holds the values received from the browser
Map requestParameterMap = facesContext.getExternalContext().getRequestParameterMap();
String clientId = uiComponent.getClientId(facesContext);
FlipSwitch flipswitch = (FlipSwitch) uiComponent;
if (flipswitch.isDisabled()) {
return;
}
//update with hidden field
String submittedString = String.valueOf(requestParameterMap.get(clientId + "_hidden"));
if (submittedString != null) {
boolean submittedValue = isChecked(submittedString);
flipswitch.setSubmittedValue(submittedValue);
decodeBehaviors(facesContext, flipswitch);
}
}
// The encodeEnd method, in the renderer, is responsible for rendering
// the html markup, as well as the javacript necessary for
// the browser. Typically the encodeEnd(-)
// method and possibly the encodeChildren(-) method would be used too,
// but we've put all the rendering here, in this one method.
public void encodeEnd(FacesContext facesContext, UIComponent uiComponent)
throws IOException {
String clientId = uiComponent.getClientId(facesContext);
ResponseWriter writer = facesContext.getResponseWriter();
FlipSwitch flipswitch = (FlipSwitch) uiComponent;
ClientBehaviorHolder cbh = (ClientBehaviorHolder)uiComponent;
boolean hasBehaviors = !cbh.getClientBehaviors().isEmpty();
writer.startElement(HTML.ANCHOR_ELEM, uiComponent);
writer.writeAttribute(HTML.ID_ATTR, clientId, HTML.ID_ATTR);
renderResetSettings(facesContext, uiComponent);
writer.writeAttribute(HTML.NAME_ATTR, clientId, HTML.NAME_ATTR);
ComponentUtils.enableOnElementUpdateNotify(writer, clientId);
String styleClass = FlipSwitch.FLIPSWITCH_OFF_CLASS;
String switchValue = String.valueOf(flipswitch.getValue());
boolean isChecked = this.isChecked(switchValue);
if (isChecked) {
styleClass = FlipSwitch.FLIPSWITCH_ON_CLASS;
}
writer.writeAttribute("class", styleClass, "class");
PassThruAttributeWriter.renderNonBooleanAttributes(writer, uiComponent, flipswitch.getAttributesNames());
PassThruAttributeWriter.renderBooleanAttributes(writer, uiComponent, flipswitch.getBooleanAttNames());
String labelOn = flipswitch.getLabelOn();
String labelOff = flipswitch.getLabelOff();
// String event = flipswitch.getDefaultEventName();
boolean disabled = flipswitch.isDisabled();
boolean readonly = flipswitch.isReadonly();
StringBuilder builder = new StringBuilder(255);
builder.append("mobi.flipswitch.init('").append(clientId).append("',{ event: event,elVal: this");
if (hasBehaviors){
String behaviors = this.encodeClientBehaviors(facesContext, cbh, "action").toString();
behaviors = behaviors.replace("\"", "\'");
builder.append(behaviors);
}
// Mobi-526 pass transformer hack flag
if (isTransformerHack(facesContext)) {
logger.finest("Transformer Prime hack active");
builder.append(", transHack: 'true'");
}
builder.append("}); this.focus(); return false; ");
String jsCall = builder.toString();
if (!(disabled || readonly))writer.writeAttribute("onclick", jsCall, null);
writer.writeAttribute("class", styleClass, "class");
writer.startElement(HTML.SPAN_ELEM, null);
boolean switchVal = (Boolean) flipswitch.getValue();
writer.writeAttribute("class", "mobi-flipswitch-txt-on ui-button ui-corner-all ui-state-default" + (switchVal ? " ui-state-active" : "" ), null);
writer.write(labelOn);
writer.endElement(HTML.SPAN_ELEM);
writeHiddenField(uiComponent, clientId, writer, switchVal, disabled);
writer.startElement(HTML.SPAN_ELEM, null);
writer.writeAttribute("class", "mobi-flipswitch-txt-off ui-button ui-corner-all ui-state-default" + (!switchVal ? " ui-state-active" : "" ), null);
writer.write(labelOff);
writer.endElement(HTML.SPAN_ELEM);
writer.startElement(HTML.SCRIPT_ELEM, null);
writer.writeAttribute(HTML.TYPE_ATTR, "text/javascript", null);
if (flipswitch.isOfflineDisabled()) {
writer.writeText("mobi.flipswitch.offlineDisabled('" + clientId + "');", null);
}
writer.endElement(HTML.SCRIPT_ELEM);
writer.endElement(HTML.ANCHOR_ELEM);
}
private void writeHiddenField(UIComponent uiComponent, String clientId,
ResponseWriter writer, boolean switchValue, boolean disabled) throws IOException {
writer.startElement("input", uiComponent);
writer.writeAttribute("type", "hidden", null);
writer.writeAttribute("name", clientId + "_hidden", null);
writer.writeAttribute("id", clientId + "_hidden", null);
writer.writeAttribute("value", switchValue, null);
if (disabled) {
writer.writeAttribute("disabled", "disabled", null);
}
writer.endElement("input");
}
private boolean isChecked(String hiddenValue) {
return hiddenValue.equalsIgnoreCase("true");
}
//forced converter support. It's either a boolean or string.
@Override
public Object getConvertedValue(FacesContext facesContext, UIComponent uiComponent,
Object submittedValue) throws ConverterException {
if (submittedValue instanceof Boolean) {
return submittedValue;
} else {
return Boolean.valueOf(submittedValue.toString());
}
}
/**
* will render it's own children
*/
public boolean getRendersChildren() {
return true;
}
/**
* MOBI-526 Check if the device is An Asus Transformer Prime for a
* bad hack involving suppression of double clicks on flipswitch.
* @param pageContext
* @return
*/
private boolean isTransformerHack(FacesContext pageContext) {
Object request = pageContext.getExternalContext().getRequest();
if (request instanceof HttpServletRequest) {
HttpServletRequest hsr = (HttpServletRequest) request;
ClientDescriptor client = ClientDescriptor.getInstance(hsr);
String ua = client.getUserAgent();
if (ua != null) {
ua = ua.toLowerCase();
return ua.contains( UserAgentInfo.TABLET_TRANSORMER_PRIME );
}
}
return false;
}
protected void renderResetSettings(FacesContext context, UIComponent component) throws IOException {
ResponseWriter writer = context.getResponseWriter();
String clientId = component.getClientId(context);
JSONBuilder jb = JSONBuilder.create();
jb.beginArray();
jb.item("flipswitch");
jb.beginArray();
jb.item(clientId);
jb.endArray();
jb.endArray();
writer.writeAttribute("data-ice-reset", jb.toString(), null);
}
}
© 2015 - 2025 Weber Informatics LLC | Privacy Policy