mitm.djigzo.web.components.MultiSelectCertificateGrid.java Source code

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Here is the source code for mitm.djigzo.web.components.MultiSelectCertificateGrid.java

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/*
 * Copyright (c) 2008-2011, Martijn Brinkers, Djigzo.
 * 
 * This file is part of Djigzo email encryption.
 *
 * Djigzo is free software: you can redistribute it and/or modify
 * it under the terms of the GNU Affero General Public License 
 * version 3, 19 November 2007 as published by the Free Software 
 * Foundation.
 *
 * Djigzo 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 Affero General Public License for more details.
 *
 * You should have received a copy of the GNU Affero General Public 
 * License along with Djigzo. If not, see <http://www.gnu.org/licenses/>
 *
 * Additional permission under GNU AGPL version 3 section 7
 * 
 * If you modify this Program, or any covered work, by linking or 
 * combining it with saaj-api-1.3.jar, saaj-impl-1.3.jar, 
 * wsdl4j-1.6.1.jar (or modified versions of these libraries), 
 * containing parts covered by the terms of Common Development and 
 * Distribution License (CDDL), Common Public License (CPL) the 
 * licensors of this Program grant you additional permission to 
 * convey the resulting work.
 */
package mitm.djigzo.web.components;

import java.util.Collections;
import java.util.HashSet;
import java.util.Set;

import org.apache.commons.lang.StringUtils;
import org.apache.tapestry5.Block;
import org.apache.tapestry5.annotations.Parameter;
import org.apache.tapestry5.annotations.Persist;
import org.apache.tapestry5.annotations.Property;
import org.apache.tapestry5.ioc.annotations.Inject;
import org.apache.tapestry5.json.JSONObject;
import org.apache.tapestry5.services.Request;

public class MultiSelectCertificateGrid extends CertificateGrid {
    @Inject
    private Request request;

    /*
     * Set of the selected certificates (thumbprints).
     */
    @Persist
    private Set<String> selected;

    @Inject
    @Property
    private Block defaultLegendBlock;

    @Parameter(defaultPrefix = "inherit")
    private Block legendBlock;

    public Block getLegendBlock() {
        return legendBlock;
    }

    public Block defaultLegendBlock() {
        return defaultLegendBlock;
    }

    public Set<String> getSelected() {
        if (selected == null) {
            selected = Collections.synchronizedSet(new HashSet<String>());
        }

        return selected;
    }

    public void clearSelected() {
        if (selected != null) {
            selected.clear();
        }
    }

    public boolean isSelect() {
        return getSelected().contains(getCertificate().getThumbprint());
    }

    public void setSelect(boolean value) {
        /*
         * Ignored. Checkbox values will be handled using EventCheckbox (see onCheckboxClick)
         */
    }

    /*
     * Event handler called when the checkbox is clicked. 
     */
    public void onCheckboxEvent() {
        String data = request.getParameter("data");

        if (StringUtils.isEmpty(data)) {
            throw new IllegalArgumentException("data is missing.");
        }

        JSONObject json = new JSONObject(data);

        String element = json.getString("element");
        boolean checked = json.getBoolean("checked");

        /*
         * If the Grid is inside a Zone the Id is no longer just the thumbprint. Some :.* part
         * is added. We should therefore remove everything after :.* to get the thumbprint back 
         */
        element = StringUtils.substringBefore(element, ":");

        if (checked) {
            getSelected().add(element);
        } else {
            getSelected().remove(element);
        }
    }
}