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package net.wotonomy.web;

import net.wotonomy.foundation.NSArray;
import net.wotonomy.foundation.NSDictionary;

/**
 * WOImageButton renders a dynamically generated IMG tag or an INPUT tag, depending on whether the
 * element is inside a WOForm (in which case an INPUT of type IMAGE is generated) or not (in which
 * case the equivalent of a WOActiveImage)
 *
 * Bindings are:
 * <UL>
 * <LI>src: A static URL for the image source.</li>
 * <li>data: A NSData object with the image content. Must be used with mimeType.</li>
 * <li>mimeType: The MIME type for the image data. Can be used with filename or data bindings.</li>
 * <li>filename: The path to a file containing an image.</li>
 * <li>framework: The framework where the image should be retrieved from (used in conjunction with filename).</li>
 *
 * @author ezamudio@nasoft.com
 * @author $Author: cgruber $
 * @version $Revision: 905 $
 */
public class WOImageButton extends WOImage {

    protected WOImageButton() {
        super();
    }

    public WOImageButton(String aName, NSDictionary aMap, WOElement template) {
        super(aName, aMap, template);
    }

    public String buttonName(WOContext c) {
        String x = (String)valueForProperty("name", c.component());
        if (x != null)
            return x;
        return c.elementID();
    }

    public void appendToResponse(WOResponse r, WOContext c) {
        if (c.isInForm()) {
            //generate an INPUT
            r.appendContentString("<INPUT TYPE=IMAGE NAME=\"");
            r.appendContentString(buttonName(c));
            r.appendContentString("\" SRC=\"");
            r.appendContentString(sourceURL(c));
            r.appendContentString("\"");
            r.appendContentString(additionalHTMLProperties(c.component(), new NSArray(new Object[]{
                "name", "action", "src", "filename", "framework", "data", "mimeType" })));
            r.appendContentString(">");
        } else {
            //generate a WOActiveImage
            new WOActiveImage(name, associations, rootElement).appendToResponse(r, c);
        }
    }

}