/* Copyright (C) 2011, 2012, 2013 by Bundesanstalt für Gewässerkunde
 * Software engineering by Intevation GmbH
 *
 * This file is Free Software under the GNU AGPL (>=v3)
 * and comes with ABSOLUTELY NO WARRANTY! Check out the
 * documentation coming with Dive4Elements River for details.
 */

package org.dive4elements.river.client.client.ui;

import com.smartgwt.client.widgets.grid.CellFormatter;
import com.smartgwt.client.widgets.grid.ListGridRecord;
import com.google.gwt.safehtml.shared.SafeHtmlUtils;

import org.dive4elements.river.client.client.FLYS;

public class WikiLinks
{
    public static String imageLinkHTML(FLYS instance, String url, String imageUrl) {
        String saml = null;
        if (instance != null && instance.getCurrentUser() != null) {
            saml = instance.getCurrentUser().getSamlXMLBase64();
        }
        String quotedUrl = SafeHtmlUtils.htmlEscape(url);
        String quotedImage = SafeHtmlUtils.htmlEscape(imageUrl);

        if (saml != null) {
            return "<form method=\"POST\" target=\"_blank\" action=\""
                + quotedUrl + "\">"
                + "<input type=\"hidden\" name=\"saml\" value=\""
                + SafeHtmlUtils.htmlEscape(saml) + "\">"
                + "<input type=\"image\" src=\""+ quotedImage + "\">"
                + "</form>";
        }
        else {
            return "<a href=\"" + quotedUrl + "\"><img src=\"" + quotedImage + "\"></a>";
        }
    }

    public static String linkHTML(FLYS flys, String url, String text) {
        String saml = flys.getCurrentUser().getSamlXMLBase64();
        String quotedUrl = SafeHtmlUtils.htmlEscape(url);
        String quotedText = SafeHtmlUtils.htmlEscape(text);
        if (saml != null) {
            return "<form method=\"POST\" target=\"_blank\" action=\""
                + quotedUrl + "\">"
                + "<input type=\"hidden\" name=\"saml\" value=\""
                + SafeHtmlUtils.htmlEscape(saml) + "\">"
                + "<input type=\"submit\" value=\"" + quotedText + "\">"
                + "</form>";
        }
        else {
            return "<a href=\"" + quotedUrl + "\">" + quotedText + "</a>";
        }
    }

    public static CellFormatter cellFormatter(final FLYS flys) {
        return new CellFormatter() {
            public String format(Object value, ListGridRecord record,
                                 int rowNum, int colNum) {
                return linkHTML(flys, (String)value, record.getLinkText());
            }
        };
    }
}