org.primefaces.component.tristatecheckbox.TriStateCheckboxRenderer Maven / Gradle / Ivy
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PrimeFaces is one of the most popular UI libraries in Java EE Ecosystem and widely used by software companies, world renowned brands, banks, financial institutions, insurance companies, universities and more.
/**
* Copyright 2009-2018 PrimeTek.
*
* 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.primefaces.component.tristatecheckbox;
import java.io.IOException;
import javax.faces.component.UIComponent;
import javax.faces.context.FacesContext;
import javax.faces.context.ResponseWriter;
import org.primefaces.context.RequestContext;
import org.primefaces.renderkit.InputRenderer;
import org.primefaces.util.ComponentUtils;
import org.primefaces.util.HTML;
import org.primefaces.util.WidgetBuilder;
public class TriStateCheckboxRenderer extends InputRenderer {
@Override
public void decode(final FacesContext context, final UIComponent component) {
TriStateCheckbox checkbox = (TriStateCheckbox) component;
if (checkbox.isDisabled()) {
return;
}
decodeBehaviors(context, checkbox);
String clientId = checkbox.getClientId(context);
String submittedValue = context.getExternalContext().getRequestParameterMap().get(clientId + "_input");
if (submittedValue != null) {
checkbox.setSubmittedValue(submittedValue);
}
}
@Override
public void encodeEnd(final FacesContext context, final UIComponent component) throws IOException {
TriStateCheckbox checkbox = (TriStateCheckbox) component;
encodeMarkup(context, checkbox);
encodeScript(context, checkbox);
}
protected void encodeMarkup(final FacesContext context, final TriStateCheckbox checkbox) throws IOException {
ResponseWriter writer = context.getResponseWriter();
String clientId = checkbox.getClientId(context);
String valueToRenderer = ComponentUtils.getValueToRender(context, checkbox);
int valCheck = ComponentUtils.isValueBlank(valueToRenderer) ? 0 : Integer.parseInt(valueToRenderer);
if (valCheck > 2 || valCheck < 0) {
valCheck = 0;
}
boolean disabled = checkbox.isDisabled();
String style = checkbox.getStyle();
String styleClass = checkbox.getStyleClass();
styleClass = styleClass == null ? HTML.CHECKBOX_CLASS : HTML.CHECKBOX_CLASS + " " + styleClass;
writer.startElement("div", checkbox);
writer.writeAttribute("id", clientId, "id");
writer.writeAttribute("class", styleClass, "styleClass");
if (style != null) {
writer.writeAttribute("style", style, "style");
}
encodeInput(context, checkbox, clientId, valCheck, disabled);
encodeOutput(context, checkbox, valCheck, disabled);
encodeItemLabel(context, checkbox);
writer.endElement("div");
}
protected void encodeInput(final FacesContext context, final TriStateCheckbox checkbox, final String clientId,
final int valCheck, final boolean disabled) throws IOException {
ResponseWriter writer = context.getResponseWriter();
String inputId = clientId + "_input";
writer.startElement("div", checkbox);
writer.writeAttribute("class", HTML.CHECKBOX_INPUT_WRAPPER_CLASS, null);
writer.startElement("input", null);
writer.writeAttribute("id", inputId, "id");
writer.writeAttribute("name", inputId, null);
writer.writeAttribute("value", valCheck, null);
if (disabled) {
writer.writeAttribute("disabled", "disabled", null);
}
if (checkbox.getOnchange() != null) {
writer.writeAttribute("onchange", checkbox.getOnchange(), null);
}
writer.endElement("input");
writer.endElement("div");
}
protected void encodeOutput(final FacesContext context, final TriStateCheckbox checkbox, final int valCheck,
final boolean disabled) throws IOException {
ResponseWriter writer = context.getResponseWriter();
String styleClass = HTML.CHECKBOX_BOX_CLASS;
styleClass = (valCheck == 1 || valCheck == 2) ? styleClass + " ui-state-active" : styleClass;
styleClass = !checkbox.isValid() ? styleClass + " ui-state-error" : styleClass;
styleClass = disabled ? styleClass + " ui-state-disabled" : styleClass;
//if stateIcon is defined use it insted of default icons.
String stateOneIconClass
= checkbox.getStateOneIcon() != null ? TriStateCheckbox.UI_ICON + checkbox.getStateOneIcon() : "";
String stateTwoIconClass
= checkbox.getStateTwoIcon() != null ? TriStateCheckbox.UI_ICON + checkbox.getStateTwoIcon()
: TriStateCheckbox.UI_ICON + "ui-icon-check";
String stataThreeIconClass
= checkbox.getStateThreeIcon() != null ? TriStateCheckbox.UI_ICON + checkbox.getStateThreeIcon()
: TriStateCheckbox.UI_ICON + "ui-icon-closethick";
String statesIconsClasses = "[\"" + stateOneIconClass + "\",\"" + stateTwoIconClass + "\",\"" + stataThreeIconClass + "\"]";
String stateOneTitle = checkbox.getStateOneTitle() == null ? "" : checkbox.getStateOneTitle();
String stateTwoTitle = checkbox.getStateTwoTitle() == null ? "" : checkbox.getStateTwoTitle();
String stateThreeTitle = checkbox.getStateThreeTitle() == null ? "" : checkbox.getStateThreeTitle();
String statesTitles = "[\"" + stateOneTitle + "\",\""
+ stateTwoTitle + "\",\"" + stateThreeTitle + "\"]";
String iconClass = "ui-chkbox-icon ui-c"; //HTML.CHECKBOX_ICON_CLASS;
String activeTitle = "";
if (valCheck == 0) {
iconClass = iconClass + " " + stateOneIconClass;
activeTitle = stateOneTitle;
}
else if (valCheck == 1) {
iconClass = iconClass + " " + stateTwoIconClass;
activeTitle = stateTwoTitle;
}
else if (valCheck == 2) {
iconClass = iconClass + " " + stataThreeIconClass;
activeTitle = stateThreeTitle;
}
String dataTitles = "";
String titleAtt = "";
if (!ComponentUtils.isValueBlank(stateOneTitle) || !ComponentUtils.isValueBlank(stateTwoTitle) || !ComponentUtils.isValueBlank(stateThreeTitle)) {
dataTitles = "data-titlestates='" + statesTitles + "' ";
titleAtt = " title=\"" + activeTitle + "\" ";
}
String tabIndexTag = " tabIndex=0 ";
if (checkbox.getTabindex() != null) {
tabIndexTag = "tabIndex=" + checkbox.getTabindex() + " ";
}
// preparation with singe quotes for .data('iconstates')
writer.write(""
+ "");
}
protected void encodeItemLabel(final FacesContext context, final TriStateCheckbox checkbox) throws IOException {
String label = checkbox.getItemLabel();
if (label != null) {
ResponseWriter writer = context.getResponseWriter();
writer.startElement("span", null);
writer.writeAttribute("class", HTML.CHECKBOX_LABEL_CLASS, null);
writer.writeText(label, "itemLabel");
writer.endElement("span");
}
}
protected void encodeScript(final FacesContext context, final TriStateCheckbox checkbox) throws IOException {
WidgetBuilder wb = RequestContext.getCurrentInstance(context).getWidgetBuilder();
wb.initWithDomReady("TriStateCheckbox", checkbox.resolveWidgetVar(), checkbox.getClientId());
encodeClientBehaviors(context, checkbox);
wb.finish();
}
}