org.primefaces.mobile.renderkit.paginator.PaginatorRenderer Maven / Gradle / Ivy

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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.mobile.renderkit.paginator;

import java.io.IOException;
import java.util.HashMap;
import java.util.Map;
import javax.faces.component.UIComponent;
import javax.faces.context.FacesContext;
import javax.faces.context.ResponseWriter;
import org.primefaces.component.api.Pageable;
import org.primefaces.component.api.UIData;
import org.primefaces.component.paginator.PaginatorElementRenderer;
import org.primefaces.renderkit.CoreRenderer;
import org.primefaces.util.WidgetBuilder;

public class PaginatorRenderer extends CoreRenderer {

    private static final Map ELEMENTS = new HashMap();

    static {
        ELEMENTS.put("{FirstPageLink}", new FirstPageLinkRenderer());
        ELEMENTS.put("{PreviousPageLink}", new PrevPageLinkRenderer());
        ELEMENTS.put("{NextPageLink}", new NextPageLinkRenderer());
        ELEMENTS.put("{LastPageLink}", new LastPageLinkRenderer());
        ELEMENTS.put("{PageLinks}", new PageLinksRenderer());
    }

    public void encodeMarkup(FacesContext context, Pageable pageable, String position) throws IOException {
        if (!pageable.isPaginatorAlwaysVisible() && pageable.getPageCount() <= 1) {
            return;
        }

        ResponseWriter writer = context.getResponseWriter();
        String id = pageable.getClientId(context) + "_paginator_" + position;

        writer.startElement("div", null);
        writer.writeAttribute("id", id, null);
        writer.writeAttribute("class", "ui-bar-a ui-paginator", null);
        writer.writeAttribute("role", "navigation", null);

        writer.startElement("div", null);
        writer.writeAttribute("class", "ui-controlgroup ui-controlgroup-horizontal ui-corner-all", null);

        writer.startElement("div", null);
        writer.writeAttribute("class", "ui-controlgroup-controls", null);

        String[] elements = pageable.getPaginatorTemplate().split(" ");
        for (String element : elements) {
            PaginatorElementRenderer renderer = ELEMENTS.get(element);
            if (renderer != null) {
                renderer.render(context, pageable);
            }
            else {
                UIComponent elementFacet = pageable.getFacet(element);
                if (elementFacet != null) {
                    elementFacet.encodeAll(context);
                }
                //else
                //writer.write(element + " ");
            }
        }

        writer.endElement("div");

        writer.endElement("div");

        writer.endElement("div");
    }

    public void encodeScript(FacesContext context, UIData uidata, WidgetBuilder wb) throws IOException {
        String clientId = uidata.getClientId(context);
        String paginatorPosition = uidata.getPaginatorPosition();
        String paginatorContainers = null;
        String currentPageTemplate = uidata.getCurrentPageReportTemplate();

        if (paginatorPosition.equalsIgnoreCase("both")) {
            paginatorContainers = "'" + clientId + "_paginator_top','" + clientId + "_paginator_bottom'";
        }
        else {
            paginatorContainers = "'" + clientId + "_paginator_" + paginatorPosition + "'";
        }

        wb.append(",paginator:{")
                .append("id:[").append(paginatorContainers).append("]")
                .append(",rows:").append(uidata.getRows())
                .append(",rowCount:").append(uidata.getRowCount())
                .append(",page:").append(uidata.getPage());

        if (currentPageTemplate != null) {
            wb.append(",currentPageTemplate:'").append(currentPageTemplate).append("'");
        }

        if (uidata.getPageLinks() != 10) {
            wb.append(",pageLinks:").append(uidata.getPageLinks());
        }

        if (!uidata.isPaginatorAlwaysVisible()) {
            wb.append(",alwaysVisible:false");
        }

        wb.append("}");
    }
}