org.smallmind.wicket.behavior.CssBehavior.java Source code

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Here is the source code for org.smallmind.wicket.behavior.CssBehavior.java

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/*
 * Copyright (c) 2007, 2008, 2009, 2010, 2011, 2012, 2013, 2014, 2015 David Berkman
 * 
 * This file is part of the SmallMind Code Project.
 * 
 * The SmallMind Code Project is free software, you can redistribute
 * it and/or modify it under the terms of GNU Affero General Public
 * License as published by the Free Software Foundation, either version 3
 * of the License, or (at your option) any later version.
 * 
 * The SmallMind Code Project is distributed in the hope that it will
 * be useful, but WITHOUT ANY WARRANTY; without even the implied warranty
 * of MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
 * General Public License for more details.
 * 
 * You should have received a copy of the the GNU Affero General Public
 * License, along with the SmallMind Code Project. If not, see
 * <http://www.gnu.org/licenses/>.
 * 
 * Additional permission under the GNU Affero GPL version 3 section 7
 * ------------------------------------------------------------------
 * If you modify this Program, or any covered work, by linking or
 * combining it with other code, such other code is not for that reason
 * alone subject to any of the requirements of the GNU Affero GPL
 * version 3.
 */
package org.smallmind.wicket.behavior;

import java.util.HashMap;
import java.util.Map;
import java.util.Properties;
import org.apache.wicket.Component;
import org.apache.wicket.behavior.Behavior;
import org.apache.wicket.markup.head.CssHeaderItem;
import org.apache.wicket.markup.head.IHeaderResponse;
import org.apache.wicket.util.template.PackageTextTemplate;

public class CssBehavior extends Behavior {

    private Map<String, Object> substitutionMap;
    private Class scopeClass;
    private String fileName;

    public CssBehavior() {

        this(null, null, null);
    }

    public CssBehavior(Properties cssProperties) {

        this(null, null, cssProperties);
    }

    public CssBehavior(String fileName) {

        this(null, fileName, null);
    }

    public CssBehavior(String fileName, Properties cssProperties) {

        this(null, fileName, cssProperties);
    }

    public CssBehavior(Class scopeClass) {

        this(scopeClass, null, null);
    }

    public CssBehavior(Class scopeClass, Properties cssProperties) {

        this(scopeClass, null, cssProperties);
    }

    public CssBehavior(Class scopeClass, String fileName, Properties cssProperties) {

        this.scopeClass = scopeClass;
        this.fileName = fileName;

        if (cssProperties != null) {
            substitutionMap = new HashMap<String, Object>();

            for (Map.Entry<Object, Object> propertyEntry : cssProperties.entrySet()) {
                substitutionMap.put(propertyEntry.getKey().toString(), propertyEntry.getValue());
            }
        }
    }

    @Override
    public void renderHead(Component component, IHeaderResponse response) {

        Class<?> interpolatedClass = (scopeClass != null) ? scopeClass : component.getClass();
        String interpolatedFileName = (fileName != null) ? fileName
                : (scopeClass != null) ? scopeClass.getSimpleName() + ".css"
                        : component.getClass().getSimpleName() + ".css";

        response.render(CssHeaderItem.forCSS(
                new PackageTextTemplate(interpolatedClass, interpolatedFileName).asString(substitutionMap),
                interpolatedClass.getName() + ":" + interpolatedFileName));
    }
}