org.apache.myfaces.custom.dojolayouts.DojoContentPaneRenderer Maven / Gradle / Ivy

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/*
 * Licensed to the Apache Software Foundation (ASF) under one
 * or more contributor license agreements.  See the NOTICE file
 * distributed with this work for additional information
 * regarding copyright ownership.  The ASF licenses this file
 * to you 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.apache.myfaces.custom.dojolayouts;

import java.io.IOException;

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

import org.apache.myfaces.custom.dojo.DojoConfig;
import org.apache.myfaces.custom.dojo.DojoUtils;
import org.apache.myfaces.shared_tomahawk.renderkit.JSFAttr;
import org.apache.myfaces.shared_tomahawk.renderkit.html.HTML;
import org.apache.myfaces.shared_tomahawk.renderkit.html.HtmlRenderer;
import org.apache.myfaces.shared_tomahawk.renderkit.html.HtmlRendererUtils;

/**
 * Simple renderer to the dojo content pane renders a simple div and the
 * javascripted initializer we do not use the dojo taglib mechanism here due to
 * the fact that the dojo tag system is incompatible with adf and other projects
 * 
 * @author werpu
 * 
 */
public class DojoContentPaneRenderer extends HtmlRenderer {

    public void decode(FacesContext context, UIComponent component) {
        super.decode(context, component);

    }

    protected void encodeJavascriptBegin(FacesContext context, UIComponent component) throws IOException {
        String javascriptLocation = (String) component.getAttributes().get(JSFAttr.JAVASCRIPT_LOCATION);
        try {
            if (javascriptLocation != null) {
                DojoUtils.addMainInclude(context, component, javascriptLocation, new DojoConfig());
            } else {
                DojoUtils.addMainInclude(context, component, null, new DojoConfig());
            }
        }

        catch (IOException e) {
            e.printStackTrace();
        }
        DojoUtils.addRequire(context, component, "dojo.widget.ContentPane");
    }

    public void encodeBegin(FacesContext context, UIComponent component) throws IOException {
        if ((context == null) || (component == null)) {
            throw new NullPointerException();
        }

        Boolean rendered = (Boolean) component.getAttributes().get("rendered");

        if ((rendered != null) && (!rendered.booleanValue()))
            return;
        encodeJavascriptBegin(context, component);

        super.encodeBegin(context, component);

        ResponseWriter writer = context.getResponseWriter();
        writer.startElement(HTML.DIV_ELEM, component);
        HtmlRendererUtils.writeIdIfNecessary(writer, component, context);

        DojoContentPane pane = (DojoContentPane) component;

        String styleClass = pane.getStyleClass();
        String style = pane.getStyle();
        if (null != styleClass) {
            writer.writeAttribute(HTML.CLASS_ATTR, styleClass, null);
        }
        if (null != style) {
            writer.writeAttribute(HTML.STYLE_ATTR, style, null);
        }

    }

    public void encodeChildren(FacesContext context, UIComponent component) throws IOException {
        // RendererUtils.renderChildren(context, component);
        // HtmlRendererUtils.writePrettyLineSeparator(context);
        super.encodeChildren(context, component);
    }

    public void encodeEnd(FacesContext context, UIComponent component) throws IOException {
        super.encodeEnd(context, component);
        ResponseWriter writer = context.getResponseWriter();
        writer.endElement(HTML.DIV_ELEM);
        encodeJavascriptEnd(context, component);
    }

    protected void encodeJavascriptEnd(FacesContext context, UIComponent component) throws IOException {
        
        String [] attributeNames = {"sizeShare", "id", "adjustPaths", "executeScripts",
                "extractContent", "handler", "href", "layoutAlign",
                "parseContent", "preload", "refreshOnShow", "widgetVar", "widgetId"};

        DojoUtils.renderWidgetInitializationCode(context, component, "ContentPane", attributeNames);
    }

    public boolean getRendersChildren() {
        return true;
    }

}