/*
 Wotonomy: OpenStep design patterns for pure Java applications.
 Copyright (C) 2000 Blacksmith, Inc.

 This library 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 2.1 of the License, or (at your option) any later version.

 This library 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 this library; if not, see http://www.gnu.org
 */

package net.wotonomy.web;

import net.wotonomy.foundation.NSDictionary;
import net.wotonomy.foundation.NSMutableArray;

/**
* Implements a submit button with dynamic bindings.
* @author michael@mpowers.net
* @author $Author: cgruber $
* @version $Revision: 905 $
*/
public class WOSubmitButton extends WOInput {

    public WOSubmitButton() {
        super();
    }

    public WOSubmitButton(String n, NSDictionary m, WOElement t) {
        super(n, m, t);
    }

    protected String inputType() {
        return "SUBMIT";
    }

    protected Object value(WOContext c) {
        Object v = valueForProperty("value", c.component());
        if (v == null) {
            return "Submit";
        }
        return v;
    }

    protected NSMutableArray additionalAttributes() {
        NSMutableArray a = super.additionalAttributes();
        a.add("action");
        return a;
    }

    public WOActionResults invokeAction(WORequest r, WOContext c) {
        if (disabled(c))
            return null;
        //It's useless to check the senderID here because it's going to be for the form always.
        //So we check if the formValues contain the button's name (which means it was pressed)
        if (r.formValueForKey(inputName(c)) != null) {
            if (associations.objectForKey("action") != null)
                return (WOActionResults)valueForProperty("action", c.component());
        }
        return null;
    }

}