org.objetdirect.wickext.core.effects.EffectBehavior.java Source code

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Here is the source code for org.objetdirect.wickext.core.effects.EffectBehavior.java

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/*
 * Copyright (c) 2008 Objet Direct
 * 
 * Permission is hereby granted, free of charge, to any person obtaining a copy
 * of this software and associated documentation files (the "Software"), to deal
 * in the Software without restriction, including without limitation the rights
 * to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
 * copies of the Software, and to permit persons to whom the Software is
 * furnished to do so, subject to the following conditions:
 * 
 * The above copyright notice and this permission notice shall be included in
 * all copies or substantial portions of the Software.
 * 
 * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
 * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
 * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
 * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
 * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
 * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
 * SOFTWARE.
 */
package org.objetdirect.wickext.core.effects;

import org.apache.wicket.Component;
import org.apache.wicket.behavior.AbstractBehavior;
import org.apache.wicket.behavior.HeaderContributor;
import org.apache.wicket.markup.html.IHeaderResponse;
import org.objetdirect.wickext.core.commons.CoreJavaScriptHeaderContributor;
import org.objetdirect.wickext.core.javascript.JsQuery;

/**
 * $Id: EffectBehavior.java 71 2008-11-17 23:11:34Z lionel.armanet $
 * <p>
 * Attach an effect to the given component.
 * </p>
 * 
 * @author Lionel Armanet
 * @since 0.5
 * @see Effect
 * @see EffectSpeed
 */
public class EffectBehavior extends AbstractBehavior {

    private static final long serialVersionUID = 3597955113451275208L;

    /**
     * The attached effect.
     */
    private Effect effect;

    /**
     * The bind component.
     */
    private Component component;

    /**
     * Builds a new instance of {@link EffectBehavior}.
     */
    public EffectBehavior(Effect effect) {
        super();
        this.effect = effect;
    }

    /*
     * (non-Javadoc)
     * 
     * @see org.apache.wicket.behavior.AbstractBehavior#bind(
     *      org.apache.wicket.Component)
     */
    @Override
    public void bind(Component component) {
        super.bind(component);
        this.component = component;
        component.add(new HeaderContributor(new CoreJavaScriptHeaderContributor()));
    }

    /*
     * (non-Javadoc)
     * 
     * @see org.apache.wicket.behavior.AbstractBehavior#renderHead(
     *      org.apache.wicket.markup.html.IHeaderResponse)
     */
    @Override
    public void renderHead(IHeaderResponse response) {
        // renders the JavaScript statement to bind this effect
        JsQuery query = new JsQuery(this.component);
        query.$().chain(this.effect);
        query.contribute(this.component);
    }

}