de.alpharogroup.wicket.behaviors.WrapAllChildrenBehavior.java Source code

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Here is the source code for de.alpharogroup.wicket.behaviors.WrapAllChildrenBehavior.java

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/**
 * Copyright (C) 2010 Asterios Raptis
 *
 * 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 de.alpharogroup.wicket.behaviors;

import org.apache.wicket.Component;
import org.apache.wicket.behavior.Behavior;
import org.apache.wicket.markup.head.IHeaderResponse;
import org.apache.wicket.markup.head.OnDomReadyHeaderItem;
import org.apache.wicket.util.lang.Args;
import org.odlabs.wiquery.core.javascript.JsQuery;
import org.odlabs.wiquery.core.javascript.JsStatement;
import org.odlabs.wiquery.core.javascript.JsUtils;

/**
 * The Class {@link WrapAllChildrenBehavior}. For instance:
 *
 * <pre>
 * $('#component').children().wrapAll('&lt;fieldset&gt;&lt;/fieldset&gt;');
 * </pre>
 *
 * where statementLabel is 'wrapAll' and statementArgs is '&lt;fieldset&gt;&lt;/fieldset&gt;'
 */
public class WrapAllChildrenBehavior extends Behavior {

    /** The Constant serialVersionUID. */
    private static final long serialVersionUID = 1L;

    /** The statement label. */
    CharSequence statementLabel;

    /** The statement args. */
    CharSequence statementArgs;

    /**
     * Instantiates a new {@link WrapAllChildrenBehavior}.
     *
     * @param statementLabel
     *            the statement label
     * @param statementArgs
     *            the statement args
     */
    public WrapAllChildrenBehavior(final CharSequence statementLabel, final CharSequence statementArgs) {
        super();
        Args.notNull(statementLabel, "statementLabel");
        Args.notNull(statementArgs, "statementArgs");
        this.statementLabel = statementLabel;
        this.statementArgs = statementArgs;
    }

    /**
     * {@inheritDoc}
     */
    @Override
    public void renderHead(final Component component, final IHeaderResponse response) {
        super.renderHead(component, response);
        final JsStatement statement = new JsQuery(component).$().chain("children").chain(statementLabel,
                JsUtils.quotes(statementArgs));
        response.render(OnDomReadyHeaderItem.forScript(statement.render()));
    }
}