DataRenderer.java

/*
 * Copyright 2011-2012 Blazebit
 *
 * 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 com.blazebit.blazefaces.renderkit;

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 com.blazebit.blazefaces.component.UIData;
//import com.blazebit.blazefaces.component.paginator.CurrentPageReportRenderer;
//import com.blazebit.blazefaces.component.paginator.FirstPageLinkRenderer;
//import com.blazebit.blazefaces.component.paginator.JumpToPageDropdownRenderer;
//import com.blazebit.blazefaces.component.paginator.LastPageLinkRenderer;
//import com.blazebit.blazefaces.component.paginator.NextPageLinkRenderer;
//import com.blazebit.blazefaces.component.paginator.PageLinksRenderer;
//import com.blazebit.blazefaces.component.paginator.PaginatorElementRenderer;
//import com.blazebit.blazefaces.component.paginator.PrevPageLinkRenderer;
//import com.blazebit.blazefaces.component.paginator.RowsPerPageDropdownRenderer;

public class DataRenderer extends CoreRenderer {
    
//    protected Map<String,PaginatorElementRenderer> paginatorElements;
//    
//    public DataRenderer() {
//        paginatorElements = new HashMap<String, PaginatorElementRenderer>();
//        paginatorElements.put("{CurrentPageReport}", new CurrentPageReportRenderer());
//        paginatorElements.put("{FirstPageLink}", new FirstPageLinkRenderer());
//        paginatorElements.put("{PreviousPageLink}", new PrevPageLinkRenderer());
//        paginatorElements.put("{NextPageLink}", new NextPageLinkRenderer());
//        paginatorElements.put("{LastPageLink}", new LastPageLinkRenderer());
//        paginatorElements.put("{PageLinks}", new PageLinksRenderer());
//        paginatorElements.put("{RowsPerPageDropdown}", new RowsPerPageDropdownRenderer());
//        paginatorElements.put("{JumpToPageDropdown}", new JumpToPageDropdownRenderer());
//    }

    protected void encodePaginatorMarkup(FacesContext context, UIData uidata, String position) throws IOException {
        if(!uidata.isPaginatorAlwaysVisible() && uidata.getPageCount() <= 1) {
            return;
        }
        
        ResponseWriter writer = context.getResponseWriter();
        boolean isTop = position.equals("top");
        boolean hidden = !uidata.isPaginatorAlwaysVisible() && uidata.getPageCount() == 1;
        
        String styleClass = isTop ? UIData.PAGINATOR_TOP_CONTAINER_CLASS : UIData.PAGINATOR_BOTTOM_CONTAINER_CLASS;
        String id = uidata.getClientId(context) + "_paginator_" + position; 
        
        //add corners
        if(!isTop && uidata.getFooter() == null) {
            styleClass = styleClass + " ui-corner-bottom";
        }
        else if(isTop && uidata.getHeader() == null) {
            styleClass = styleClass + " ui-corner-top";
        }
        
        writer.startElement("div", null);
        writer.writeAttribute("id", id, null);
        writer.writeAttribute("class", styleClass, null);
        if(hidden) {
            writer.writeAttribute("style", "display:none", null);
        }
        
        String[] elements = uidata.getPaginatorTemplate().split(" ");
        for(String element : elements) {            
//            PaginatorElementRenderer renderer = paginatorElements.get(element);
//            if(renderer != null)
//                renderer.render(context, uidata);
//            else
//                writer.write(element + " ");
        }

        writer.endElement("div");
    }

    protected void encodePaginatorConfig(FacesContext context, UIData uidata) throws IOException {
        ResponseWriter writer = context.getResponseWriter();
        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 + "'";

        writer.write(",paginator:{");
        writer.write("id:[" + paginatorContainers + "]");
        writer.write(",rows:" + uidata.getRows());
        writer.write(",rowCount:" + uidata.getRowCount());
        writer.write(",page:" + uidata.getPage());
        
        if(currentPageTemplate != null)
            writer.write(",currentPageTemplate:'" + currentPageTemplate + "'");

        if(uidata.getPageLinks() != 10) writer.write(",pageLinks:" + uidata.getPageLinks());
        if(!uidata.isPaginatorAlwaysVisible()) writer.write(",alwaysVisible:false");

        writer.write("}");
    }
    
    public void encodeFacet(FacesContext context, UIData data, String facet, String styleClass) throws IOException {
        ResponseWriter writer = context.getResponseWriter();
        UIComponent component = data.getFacet(facet);
        
        if(component != null && component.isRendered()) {
            writer.startElement("div", null);
            writer.writeAttribute("class", styleClass, null);
            component.encodeAll(context);
            writer.endElement("div");
        }
    }
}