root/trunk/gregarius/plugins/dblclicktoread.php

<?php
###############################################################################
# Gregarius - A PHP based RSS aggregator.
# Copyright (C) 2003 - 2006 Marco Bonetti
#
###############################################################################
# This program is free software and open source software; you can redistribute
# it and/or modify it under the terms of the GNU General Public License as
# published by the Free Software Foundation; either version 2 of the License,
# or (at your option) any later version.
#
# This program 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 General Public License for
# more details.
#
# You should have received a copy of the GNU General Public License along
# with this program; if not, write to the Free Software Foundation, Inc.,
# 59 Temple Place, Suite 330, Boston, MA  02111-1307  USA  or visit
# http://www.gnu.org/licenses/gpl.html
#
###############################################################################
# E-mail:      mbonetti at gmail dot com
# Web page:    http://gregarius.net/
#
###############################################################################

/// Name: Doubleclick to Read
/// Author: Marco Bonetti
/// Description: Marks an item as read when you doubleclick its whitespace
/// Version: 1.91

/**
 * Changelog:
 *
 * 1.5  Updated description
 * 1.6  Fixed a bug that would cause a Javascript error when user is not logged in
 * 1.7  Moved the EtagHandler to make the javascript load faster. -- Sameer
 * 1.8  Switched to the rss_bootstrap caching method 
 * 1.9  Set the cache-validity to 0 to cause a reload when loggin in and out -- Sameer
 * 1.91  Stupid PHP short tags  -- Marco
 */

function __dblclicktoread_js_register($js) {
    $js[] = getPath(). RSS_PLUGINS_DIR . "/dblclicktoread.php?dcljs";
    return $js;
}

function __dblclickToRead_init_js($dummy) {
   if (!hidePrivate()) {
                 echo "\n<script type=\"text/javascript\">\n"
                        ."<!--\n"
                        ."__dbclickToRead_jsInit();\n"
                        ."-->\n"
                        ."</script>\n";
        }
   return $dummy;
}

if (isset($_REQUEST['dcljs'])) {
         require_once('../core.php');
         rss_bootstrap(false,'$Revision$',0);
    require_once('../init.php');


    if (hidePrivate()) {
                return "";
    }
    
    ?>

        var isIE=document.all?true:false;
        //alert(isIE);
        function __dblclickToRead_js_getId(o) {
                if (html = o.innerHTML) {
                        if (r1 = new RegExp(".*es.([0-9]+),([0-9]+).*,([0-9]+).*","gm").exec(html)) {
                                if (!isIE) {
                                        c = unreadCnt(-1,r1[3]);
                } else {
                        c = 1;
                }
                                id=r1[1];
                                s =r1[2] & <?php echo SET_MODE_READ_STATE ?>;
                                if ((sel = document.getElementById('<?php echo SHOW_WHAT ?>')) &&
                                sel.options[sel.selectedIndex].value == <?php echo SHOW_UNREAD_ONLY ?>) {
                        setItemHide(id, (c == 0));
                                } else{
                                setItemClass(id, 'item even');
                                        if (document.all) {
                                o.ondblclick = function() {return false;}
                                        } else {
                                                o.setAttribute("ondblclick","return false;");
                                        }
                                }

                                setState(id,s);
                        // legacy code for compatibility with old themes - 2006-06-12
                        }else if (r1 = new RegExp(".*es.([0-9]+),([0-9]+).*","gm").exec(html)) {
                        if (!isIE) {
                        c = unreadCnt(-1);
                } else {
                        c = 1;
                }
                                id=r1[1];
                                s =r1[2] & <?php echo SET_MODE_READ_STATE ?>;
                                if ((sel = document.getElementById('<?php echo SHOW_WHAT ?>')) &&
                                sel.options[sel.selectedIndex].value == <?php echo SHOW_UNREAD_ONLY ?>) {
                        setItemHide(id, (c == 0));
                                } else{
                                setItemClass(id, 'item even');
                                        if (document.all) {
                                o.ondblclick = function() {return false;}
                                        } else {
                                                o.setAttribute("ondblclick","return false;");
                                        }
                                }

                                setState(id,s);
                        }

                }
        }
        function __dbclickToRead_jsInit() {
                var isIE=document.all?true:false;
                var items = document.getElementsByTagName('li');
                for (var i=0; i<items.length; i++) {
                        var item = items[i];
                        if (item.className == "item unread") {
                if (isIE) {
                        item.ondblclick = function() { __dblclickToRead_js_getId(this); return false;}
                } else {
                        item.setAttribute("ondblclick","__dblclickToRead_js_getId(this); return false;");
                }
                        }
                }
        }

    <?php
    flush();
    exit();
}

rss_set_hook('rss.plugins.javascript','__dblclicktoread_js_register');
rss_set_hook('rss.plugins.bodyend','__dblclickToRead_init_js');
?>