phpbb2_open_matched_topics_in_tabs.user.js

// ==UserScript==
// @name phpBB2 Open all matched topics in tabs
// @namespace http://www.laskikymppi.com/
// @description Inserts an Open all topics in tabs link to phpBB2 search pages.
// @include */search.php?*
// ==/UserScript==
// */
// 21-01-2009 hvrauhal 
// 19-08-2008 v1.2.0 fheub http://userscripts.org/scripts/show/4681
// 21-03-2006 Copyright (c) 2006, JAPIO http://userscripts.org/scripts/show/3609
//
// Released under the GPL license
// http://www.gnu.org/copyleft/gpl.html
// --------------------------------------------------------------------
//
// Inserts an "Open all topics in tabs" link to phpBB2 search
// pages. Clicking the link opens all topics listed on the page in new tabs, at their last post.
//
// INSTALLATION
// First install Greasemonkey from https://addons.mozilla.org/en-US/firefox/addon/748
// Then install this script by revisiting this page
// 

(function () {
    function evaluateXPath(query) {
        return document.evaluate(query, document, null, XPathResult.ORDERED_NODE_SNAPSHOT_TYPE, null);
    }

    function createNewTableCell() {
        var td = document.createElement('td');
        td.className = "gensmall";
        td.align = "right";
        td.valign = "bottom";
        return td;
    }

    function collectAllTopicAnchors() {
        return evaluateXPath("//a[contains(@href, 'viewtopic.php?p=')]");
    }

    function insertAfter(newElement, original) {
        original.parentNode.insertBefore(newElement, original.nextSibling);
    }

    function openInTabs(anchors) {
        var i;
        for (i = 0; i < anchors.snapshotLength; i++) {
            window.open(anchors.snapshotItem(i).href);
        }
    }
    
    function createOpenInTabsAnchor(anchors) {
        var anchor = document.createElement('a');
        anchor.href = "#";
        anchor.className = "gensmall";
        anchor.innerHTML = 'Open all topics in tabs';
        anchor.addEventListener('click', function () { openInTabs(anchors); }, true);
        return anchor;
    }

    function lookupForumIndexCell() {
        return evaluateXPath("//td/span/a[contains(@href, 'index.php')]/parent::*/parent::*").snapshotItem(0);
    }

    function insertActionToPage(anchors) {
        var linkCell = createNewTableCell();
        linkCell.appendChild(createOpenInTabsAnchor(anchors));
        insertAfter(linkCell, lookupForumIndexCell());
    }

    insertActionToPage(collectAllTopicAnchors());
    GM_log("Added open all topics in tabs to page.");
}());