name.martingeisse.gargl.application.page.AbstractApplicationPage.java Source code

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Here is the source code for name.martingeisse.gargl.application.page.AbstractApplicationPage.java

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/**
 * Copyright (c) 2010 Martin Geisse
 *
 * This file is distributed under the terms of the MIT license.
 */

package name.martingeisse.gargl.application.page;

import org.apache.wicket.ajax.WicketAjaxJQueryResourceReference;
import org.apache.wicket.ajax.WicketEventJQueryResourceReference;
import org.apache.wicket.markup.head.CssHeaderItem;
import org.apache.wicket.markup.head.IHeaderResponse;
import org.apache.wicket.markup.head.JavaScriptHeaderItem;
import org.apache.wicket.markup.head.PriorityHeaderItem;
import org.apache.wicket.markup.html.WebPage;
import org.apache.wicket.model.IModel;
import org.apache.wicket.request.mapper.parameter.PageParameters;
import org.apache.wicket.request.resource.CssResourceReference;
import org.apache.wicket.request.resource.JavaScriptResourceReference;
import org.apache.wicket.request.resource.ResourceReference;
import org.apache.wicket.resource.JQueryResourceReference;

/**
 * Base class for all application pages. This class includes
 * the common stylesheets and Javascripts.
 */
public class AbstractApplicationPage extends WebPage {

    /**
     * Constructor.
     */
    public AbstractApplicationPage() {
        super();
    }

    /**
     * Constructor.
     * @param model the page model
     */
    public AbstractApplicationPage(final IModel<?> model) {
        super(model);
    }

    /**
     * Constructor.
     * @param parameters the page parameters
     */
    public AbstractApplicationPage(final PageParameters parameters) {
        super(parameters);
    }

    /* (non-Javadoc)
     * @see org.apache.wicket.Component#renderHead(org.apache.wicket.markup.head.IHeaderResponse)
     */
    @Override
    public void renderHead(IHeaderResponse response) {
        super.renderHead(response);
        response.render(new PriorityHeaderItem(
                CssHeaderItem.forReference(new CssResourceReference(AbstractApplicationPage.class, "common.css"))));
        response.render(new PriorityHeaderItem(JavaScriptHeaderItem
                .forReference(new JavaScriptResourceReference(AbstractApplicationPage.class, "common.js"))));
        markJavascriptAlreadyRendered(response, JQueryResourceReference.get());
        markJavascriptAlreadyRendered(response, WicketAjaxJQueryResourceReference.get());
        markJavascriptAlreadyRendered(response, WicketEventJQueryResourceReference.get());
    }

    /**
     * 
     */
    private void markJavascriptAlreadyRendered(IHeaderResponse response, ResourceReference reference) {
        JavaScriptHeaderItem jQueryHeaderItem = JavaScriptHeaderItem.forReference(reference);
        for (Object renderToken : jQueryHeaderItem.getRenderTokens()) {
            response.markRendered(renderToken);
        }
    }

}