org.obiba.onyx.quartz.editor.behavior.syntaxHighlighter.SyntaxHighlighterBehavior.java Source code

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Here is the source code for org.obiba.onyx.quartz.editor.behavior.syntaxHighlighter.SyntaxHighlighterBehavior.java

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/*******************************************************************************
 * Copyright 2008(c) The OBiBa Consortium. All rights reserved.
 * 
 * This program and the accompanying materials
 * are made available under the terms of the GNU Public License v3.0.
 * 
 * You should have received a copy of the GNU General Public License
 * along with this program.  If not, see <http://www.gnu.org/licenses/>.
 ******************************************************************************/
package org.obiba.onyx.quartz.editor.behavior.syntaxHighlighter;

import java.util.HashMap;
import java.util.Map;
import java.util.Map.Entry;

import org.apache.wicket.AttributeModifier;
import org.apache.wicket.Component;
import org.apache.wicket.RequestCycle;
import org.apache.wicket.ResourceReference;
import org.apache.wicket.markup.html.IHeaderResponse;
import org.apache.wicket.markup.html.resources.CompressedResourceReference;
import org.apache.wicket.model.IModel;
import org.apache.wicket.model.Model;

/**
 * @See http://www.balupton.com/sandbox/jquery-syntaxhighlighter/demo/
 */
public class SyntaxHighlighterBehavior extends AttributeModifier {

    private static final long serialVersionUID = 1L;

    private final String configuration;

    public SyntaxHighlighterBehavior(IModel<String> language, Map<String, Object> config) {
        super("class", true,
                new Model<String>(language == null ? "highlight" : "language-" + language.getObject()));

        if (config == null) {
            config = new HashMap<String, Object>();
        }

        if (config.isEmpty()) { // set default config
            config.put("lineNumbers", false);
            config.put("highlight", false);
            RequestCycle requestCycle = RequestCycle.get();
            config.put("prettifyBaseUrl", requestCycle
                    .urlFor(new ResourceReference(SyntaxHighlighterBehavior.class, "prettify")).toString());
            config.put("baseUrl",
                    requestCycle.urlFor(new ResourceReference(SyntaxHighlighterBehavior.class, ".")).toString());
        }

        StringBuilder cfg = new StringBuilder();
        for (Entry<String, Object> entry : config.entrySet()) {
            if (cfg.length() > 0)
                cfg.append(", ");
            cfg.append("'" + entry.getKey() + "': ");
            if (entry.getValue() instanceof Boolean) {
                cfg.append(entry.getValue());
            } else {
                cfg.append("'" + entry.getValue() + "'");
            }
        }
        configuration = cfg.toString();
    }

    public SyntaxHighlighterBehavior() {
        this(null, null); // auto detect language
    }

    @Override
    public void renderHead(IHeaderResponse response) {
        super.renderHead(response);
        response.renderJavascriptReference(new CompressedResourceReference(SyntaxHighlighterBehavior.class,
                "scripts/jquery.syntaxhighlighter.min.js"));
        response.renderCSSReference(
                new CompressedResourceReference(SyntaxHighlighterBehavior.class, "syntaxHighlighter.css"));

        response.renderJavascript("$.SyntaxHighlighter.init({ " + configuration + " });", "SyntaxHighlighter");
    }

    @Override
    public void bind(Component component) {
        super.bind(component);
        component.setOutputMarkupId(true);
    }

    @Override
    public void onRendered(Component component) {
        super.onRendered(component);
        component.getResponse().write("<script>\n" + //
                "$(document).ready(function() {\n" + //
                "  $(\"#" + component.getMarkupId(true) + "\").syntaxHighlight();\n" + //
                "});\n" + //
                "</script>");
    }

}