org.primefaces.component.stack.StackRenderer 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.

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/**
 * 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.stack;

import java.io.IOException;
import java.util.List;

import javax.faces.component.UIComponent;
import javax.faces.context.FacesContext;
import javax.faces.context.ResponseWriter;
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.WidgetBuilder;

public class StackRenderer extends BaseMenuRenderer {

    @Override
    protected void encodeScript(FacesContext context, AbstractMenu menu) throws IOException {
        Stack stack = (Stack) menu;
        String clientId = stack.getClientId(context);
        WidgetBuilder wb = getWidgetBuilder(context);
        wb.initWithDomReady("Stack", stack.resolveWidgetVar(), clientId)
                .attr("openSpeed", stack.getOpenSpeed())
                .attr("closeSpeed", stack.getCloseSpeed())
                .attr("expanded", stack.isExpanded(), false);

        wb.finish();
    }

    protected void encodeMarkup(FacesContext context, AbstractMenu menu) throws IOException {
        ResponseWriter writer = context.getResponseWriter();
        Stack stack = (Stack) menu;
        String clientId = stack.getClientId(context);

        writer.startElement("div", stack);
        writer.writeAttribute("id", clientId, "id");
        writer.writeAttribute("class", "ui-stack", null);

        writer.startElement("img", null);
        writer.writeAttribute("src", getResourceURL(context, stack.getIcon()), null);
        writer.endElement("img");

        if (stack.getElementsCount() > 0) {
            List elements = stack.getElements();

            writer.startElement("ul", null);
            writer.writeAttribute("id", clientId + "_stack", "id");

            for (MenuElement element : elements) {
                if (element.isRendered() && element instanceof MenuItem) {
                    MenuItem menuItem = (MenuItem) element;
                    String containerStyle = menuItem.getContainerStyle();
                    String containerStyleClass = menuItem.getContainerStyleClass();

                    writer.startElement("li", null);
                    if (containerStyle != null) writer.writeAttribute("style", containerStyle, null);
                    if (containerStyleClass != null) writer.writeAttribute("class", containerStyleClass, null);

                    encodeMenuItem(context, stack, menuItem);
                    writer.endElement("li");
                }
            }
        }

        writer.endElement("ul");

        writer.endElement("div");
    }

    @Override
    protected void encodeMenuItemContent(FacesContext context, AbstractMenu menu, MenuItem menuitem) throws IOException {
        ResponseWriter writer = context.getResponseWriter();

        writer.startElement("span", null);
        if (menuitem.getValue() != null) {
            writer.write((String) menuitem.getValue());
        }

        writer.endElement("span");

        writer.startElement("img", null);
        writer.writeAttribute("src", getResourceURL(context, menuitem.getIcon()), null);
        writer.endElement("img");
    }

    @Override
    public void encodeChildren(FacesContext context, UIComponent component) throws IOException {
        //Do nothing
    }

    @Override
    public boolean getRendersChildren() {
        return true;
    }
}