com.premiumminds.webapp.wicket.behaviours.DisableSubmitOnEnterBehaviour.java Source code

Introduction

Here is the source code for com.premiumminds.webapp.wicket.behaviours.DisableSubmitOnEnterBehaviour.java

Source

/**
 * Copyright (C) 2014 Premium Minds.
 *
 * This file is part of pm-wicket-utils.
 *
 * pm-wicket-utils is free software: you can redistribute it and/or modify it under
 * the terms of the GNU Lesser General Public License as published by the Free
 * Software Foundation, either version 3 of the License, or (at your option) any
 * later version.
 *
 * pm-wicket-utils 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 Lesser General Public License for more
 * details.
 *
 * You should have received a copy of the GNU Lesser General Public License
 * along with pm-wicket-utils. If not, see <http://www.gnu.org/licenses/>.
 */
package com.premiumminds.webapp.wicket.behaviours;

import org.apache.wicket.Component;
import org.apache.wicket.WicketRuntimeException;
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.Form;

public class DisableSubmitOnEnterBehaviour extends Behavior {
    private static final long serialVersionUID = 8716392865358960423L;

    @Override
    public void bind(Component component) {
        super.bind(component);
        if (!(component instanceof Form<?>))
            throw new WicketRuntimeException("can only add this component to forms");
    }

    @Override
    public void onConfigure(Component component) {
        super.onConfigure(component);
        component.setOutputMarkupId(true);
    }

    @Override
    public void renderHead(Component component, IHeaderResponse response) {
        super.renderHead(component, response);
        response.render(OnDomReadyHeaderItem.forScript(
                "$(\"#" + component.getMarkupId() + "\").keypress(function(e){ return e.keyCode!=13; });"));
    }
}