eu.uqasar.web.components.behaviour.DefaultFocusBehavior.java Source code

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Here is the source code for eu.uqasar.web.components.behaviour.DefaultFocusBehavior.java

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package eu.uqasar.web.components.behaviour;

/*
 * #%L
 * U-QASAR
 * %%
 * Copyright (C) 2012 - 2015 U-QASAR Consortium
 * %%
 * 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.
 * #L%
 */

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.markup.html.form.FormComponent;

/**
 *
 *
 */
public class DefaultFocusBehavior extends Behavior {

    /**
     *
     */
    private static final long serialVersionUID = -561941706017776414L;

    private FormComponent formComponent;

    /*
     * (non-Javadoc)
     * 
     * @see
     * org.apache.wicket.behavior.Behavior#bind(org.apache.wicket.Component)
     */
    @Override
    public void bind(Component component) {
        if (component instanceof FormComponent) {
            this.formComponent = (FormComponent) component;
            this.formComponent.setOutputMarkupId(true);
        }
    }

    /*
     * (non-Javadoc)
     * 
     * @see
     * org.apache.wicket.behavior.Behavior#renderHead(org.apache.wicket.Component
     * , org.apache.wicket.markup.html.IHeaderResponse)
     */
    @Override
    public void renderHead(Component component, IHeaderResponse response) {
        super.renderHead(component, response);
        if (this.formComponent != null) {
            final String js = String.format("$('#%s').focus()", this.formComponent.getMarkupId());
            response.render(OnDomReadyHeaderItem.forScript(js));
        }
    }
}