sf.wicklet.ext.behaviors.border.DecorBehavior.java Source code

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Here is the source code for sf.wicklet.ext.behaviors.border.DecorBehavior.java

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/*
 * Licensed under the Apache License, Version 2.0 (the "License");
 * you may not use this file except in compliance with the License.
 * You should have received a copy of  the license along with this library.
 * You may also obtain a copy of the License at
 *         http://www.apache.org/licenses/LICENSE-2.0.
 */
package sf.wicklet.ext.behaviors.border;

import org.apache.wicket.Component;
import org.apache.wicket.behavior.Behavior;

/**
 * This is much like BorderBehavior but skip all the markup crap.
 * As BorderBehavior, the border is re-rendered on each ajax rendering of the component
 * this behavior is attached to and create the border repeatedly. In such case,
 * use a wrapper component.
 * @see IAjaxRegionMarkupIdProvider.
 */
public class DecorBehavior extends Behavior {

    private static final long serialVersionUID = 1L;

    private CharSequence prefix;
    private CharSequence suffix;

    public DecorBehavior() {
    }

    public DecorBehavior(final CharSequence prefix, final CharSequence suffix) {
        this.prefix = prefix;
        this.suffix = suffix;
    }

    /** A prefix string to be render before this component if this component is visible. */
    public DecorBehavior setPrefix(final CharSequence s) {
        prefix = s;
        return this;
    }

    /** A suffix string to be render after this component if this component is visible. */
    public DecorBehavior setSuffix(final CharSequence s) {
        suffix = s;
        return this;
    }

    @Override
    public void beforeRender(final Component component) {
        if (prefix != null && component.isVisible()) {
            component.getResponse().write(prefix);
        }
        super.beforeRender(component);
    }

    @Override
    public void afterRender(final Component component) {
        super.afterRender(component);
        if (suffix != null && component.isVisible()) {
            component.getResponse().write(suffix);
        }
    }
}