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org.primefaces.component.steps.StepsRenderer Maven / Gradle / Ivy
/*
* Copyright 2009-2014 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.steps;
import java.io.IOException;
import java.util.ArrayList;
import java.util.LinkedHashMap;
import java.util.List;
import java.util.Map;
import javax.faces.FacesException;
import javax.faces.component.UIComponent;
import javax.faces.context.FacesContext;
import javax.faces.context.ResponseWriter;
import org.primefaces.component.api.AjaxSource;
import org.primefaces.component.api.UIOutcomeTarget;
import org.primefaces.component.menu.AbstractMenu;
import org.primefaces.component.menu.BaseMenuRenderer;
import org.primefaces.model.menu.MenuElement;
import org.primefaces.model.menu.MenuItem;
import org.primefaces.util.ComponentUtils;
public class StepsRenderer extends BaseMenuRenderer {
@Override
protected void encodeMarkup(FacesContext context, AbstractMenu abstractMenu) throws IOException {
ResponseWriter writer = context.getResponseWriter();
Steps steps = (Steps) abstractMenu;
String clientId = steps.getClientId(context);
String styleClass = steps.getStyleClass();
String containerClass = steps.isReadonly() ? Steps.READONLY_CONTAINER_CLASS : Steps.CONTAINER_CLASS;
styleClass = styleClass == null ? containerClass : containerClass + " " + styleClass;
int activeIndex = steps.getActiveIndex();
List elements = steps.getElements();
writer.startElement("div", steps);
writer.writeAttribute("id", clientId, null);
writer.writeAttribute("class", styleClass, "styleClass");
if(steps.getStyle() != null) {
writer.writeAttribute("style", steps.getStyle(), "style");
}
writer.startElement("ul", null);
writer.writeAttribute("role", "tablist", null);
int i = 0;
if(elements != null && !elements.isEmpty()) {
for(MenuElement element : elements) {
if(element.isRendered() && (element instanceof MenuItem)) {
encodeItem(context, steps, (MenuItem) element, (i == activeIndex), i);
i++;
}
}
}
writer.endElement("ul");
writer.endElement("div");
}
protected void encodeItem(FacesContext context, Steps steps, MenuItem item, boolean active, int index) throws IOException {
ResponseWriter writer = context.getResponseWriter();
String itemClass = active ? Steps.ACTIVE_ITEM_CLASS : Steps.INACTIVE_ITEM_CLASS;
//header container
writer.startElement("li", null);
writer.writeAttribute("class", itemClass, null);
writer.writeAttribute("role", "tab", null);
encodeMenuItem(context, steps, item, index);
writer.endElement("li");
}
protected void encodeMenuItem(FacesContext context, Steps steps, MenuItem menuitem, int index) throws IOException {
ResponseWriter writer = context.getResponseWriter();
String title = menuitem.getTitle();
String style = menuitem.getStyle();
String styleClass = this.getLinkStyleClass(menuitem);
writer.startElement("a", null);
writer.writeAttribute("tabindex", "-1", null);
if(shouldRenderId(menuitem)) {
writer.writeAttribute("id", menuitem.getClientId(), null);
}
if(title != null) {
writer.writeAttribute("title", title, null);
}
writer.writeAttribute("class", styleClass, null);
if(style != null) {
writer.writeAttribute("style", style, null);
}
if(steps.isReadonly() || menuitem.isDisabled()) {
writer.writeAttribute("href", "#", null);
writer.writeAttribute("onclick", "return false;", null);
}
else {
String onclick = menuitem.getOnclick();
//GET
if(menuitem.getUrl() != null || menuitem.getOutcome() != null) {
String targetURL = getTargetURL(context, (UIOutcomeTarget) menuitem);
writer.writeAttribute("href", targetURL, null);
if(menuitem.getTarget() != null) {
writer.writeAttribute("target", menuitem.getTarget(), null);
}
}
//POST
else {
writer.writeAttribute("href", "#", null);
UIComponent form = ComponentUtils.findParentForm(context, steps);
if(form == null) {
throw new FacesException("MenuItem must be inside a form element");
}
String command;
if(menuitem.isDynamic()) {
String menuClientId = steps.getClientId(context);
Map> params = menuitem.getParams();
if(params == null) {
params = new LinkedHashMap>();
}
List idParams = new ArrayList();
idParams.add(menuitem.getId());
params.put(menuClientId + "_menuid", idParams);
command = menuitem.isAjax() ? buildAjaxRequest(context, steps, (AjaxSource) menuitem, form, params) : buildNonAjaxRequest(context, steps, form, menuClientId, params, true);
}
else {
command = menuitem.isAjax() ? buildAjaxRequest(context, (AjaxSource) menuitem, form) : buildNonAjaxRequest(context, ((UIComponent) menuitem), form, ((UIComponent) menuitem).getClientId(context), true);
}
onclick = (onclick == null) ? command : onclick + ";" + command;
}
if(onclick != null) {
writer.writeAttribute("onclick", onclick, null);
}
}
writer.startElement("span", steps);
writer.writeAttribute("class", Steps.STEP_NUMBER_CLASS, null);
writer.writeText((index + 1), null);
writer.endElement("span");
Object value = menuitem.getValue();
if(value != null) {
writer.startElement("span", steps);
writer.writeAttribute("class", Steps.STEP_TITLE_CLASS, null);
writer.writeText(value, null);
writer.endElement("span");
}
writer.endElement("a");
}
@Override
public void encodeChildren(FacesContext context, UIComponent component) throws IOException {
// Do nothing
}
@Override
protected void encodeScript(FacesContext context, AbstractMenu abstractMenu) throws IOException {
//no widget
}
}
