org.dcm4chee.web.common.behaviours.SelectableTableRowBehaviour.java Source code

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Here is the source code for org.dcm4chee.web.common.behaviours.SelectableTableRowBehaviour.java

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/* ***** BEGIN LICENSE BLOCK *****
 * Version: MPL 1.1/GPL 2.0/LGPL 2.1
 *
 * The contents of this file are subject to the Mozilla Public License Version
 * 1.1 (the "License"); you may not use this file except in compliance with
 * the License. You may obtain a copy of the License at
 * http://www.mozilla.org/MPL/
 *
 * Software distributed under the License is distributed on an "AS IS" basis,
 * WITHOUT WARRANTY OF ANY KIND, either express or implied. See the License
 * for the specific language governing rights and limitations under the
 * License.
 *
 * The Original Code is part of dcm4che, an implementation of DICOM(TM) in
 * Java(TM), hosted at http://sourceforge.net/projects/dcm4che.
 *
 * The Initial Developer of the Original Code is
 * Agfa-Gevaert AG.
 * Portions created by the Initial Developer are Copyright (C) 2008
 * the Initial Developer. All Rights Reserved.
 *
 * Contributor(s):
 * See listed authors below.
 *
 * Alternatively, the contents of this file may be used under the terms of
 * either the GNU General Public License Version 2 or later (the "GPL"), or
 * the GNU Lesser General Public License Version 2.1 or later (the "LGPL"),
 * in which case the provisions of the GPL or the LGPL are applicable instead
 * of those above. If you wish to allow use of your version of this file only
 * under the terms of either the GPL or the LGPL, and not to allow others to
 * use your version of this file under the terms of the MPL, indicate your
 * decision by deleting the provisions above and replace them with the notice
 * and other provisions required by the GPL or the LGPL. If you do not delete
 * the provisions above, a recipient may use your version of this file under
 * the terms of any one of the MPL, the GPL or the LGPL.
 *
 * ***** END LICENSE BLOCK ***** */

package org.dcm4chee.web.common.behaviours;

import org.apache.wicket.ajax.AjaxEventBehavior;
import org.apache.wicket.ajax.AjaxRequestTarget;
import org.apache.wicket.markup.ComponentTag;
import org.apache.wicket.markup.html.form.CheckBox;
import org.apache.wicket.model.IModel;

/**
 * @author Franz Willer <franz.willer@gmail.com>
 * @version $Revision$ $Date$
 * @since Jun 14, 2011
 */

public class SelectableTableRowBehaviour extends AjaxEventBehavior {

    private static final long serialVersionUID = 1L;

    private IModel<Boolean> model;
    private CheckBox chkBox;
    private String unselectedClass, selectedClass;

    private SelectableTableRowBehaviour(String unselectedClass, String selectedClass) {
        super("onclick");
        this.unselectedClass = unselectedClass;
        this.selectedClass = selectedClass;
    }

    public SelectableTableRowBehaviour(IModel<Boolean> model, String unselectedClass, String selectedClass) {
        this(unselectedClass, selectedClass);
        this.model = model;
    }

    public SelectableTableRowBehaviour(CheckBox chkBox, String unselectedClass, String selectedClass) {
        this(unselectedClass, selectedClass);
        this.chkBox = chkBox;
        chkBox.setOutputMarkupId(true);
    }

    @Override
    protected void onEvent(AjaxRequestTarget target) {
        model.setObject(!model.getObject());
        target.addComponent(getComponent());
    }

    @Override
    protected void onComponentTag(final ComponentTag tag) {
        super.onComponentTag(tag);
        if (model == null)
            model = chkBox.getModel();
        if (model.getObject()) {
            if (selectedClass != null)
                tag.put("class", selectedClass);
        } else if (unselectedClass != null) {
            tag.put("class", unselectedClass);
        }
    }

    @Override
    protected CharSequence getPreconditionScript() {
        return "if (event == null || !event.ctrlKey) return false;var t = (event.target) ? event.target : (event.srcElement) ? event.srcElement : null;"
                + "if (t.nodeType == 3) t = t.parentNode;" + // handle Safari bug (text node)
                " return t.nodeName == 'TD' || t.nodeName == 'SPAN'";
    }

}