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/*
 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;
	}

}