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jquery highlighter

Required for another script

Script này sẽ không được không được cài đặt trực tiếp. Nó là một thư viện cho các script khác để bao gồm các chỉ thị meta // @require https://updategreasyfork.deno.dev/scripts/4229/13465/jquery%20highlighter.js 

// ==UserScript==
// @name         jquery highlighter
// @version      1.0
// ==/UserScript==

/* global jQuery */

/*
 * Highlighter.js 1.0
 *
 * Author: Matthew Conlen <[email protected]>
 *         Huffington Post Labs
 *
 * Copyright 2012: Huffington Post Labs
 *
 * This program is free software. It comes without any warranty, to
 * the extent permitted by applicable law. You can redistribute it
 * and/or modify it under the terms of the WTFPL, Version 2, as
 * published by Sam Hocevar. See http://sam.zoy.org/wtfpl/
 * for more details.
 */

   (function ($) {
    /*
     * Code for triple click from
     * http://css-tricks.com/snippets/jquery/triple-click-event/
     */
    $.event.special.tripleclick = {

        setup: function (data, namespaces) {
            var elem = this,
                $elem = jQuery(elem);
            $elem.bind('click', jQuery.event.special.tripleclick.handler);
        },

        teardown: function (namespaces) {
            var elem = this,
                $elem = jQuery(elem);
            $elem.unbind('click', jQuery.event.special.tripleclick.handler);
        },

        handler: function (event) {
            var elem = this,
                $elem = jQuery(elem),
                clicks = $elem.data('clicks') || 0;
            clicks += 1;
            if (clicks === 3) {
                clicks = 0;

                // set event type to "tripleclick"
                event.type = "tripleclick";

                // let jQuery handle the triggering of "tripleclick" event handlers
                jQuery.event.dispatch.apply(this, arguments);
            }
            $elem.data('clicks', clicks);
        }
    };

    /*
     * Attempt to get the previous sibling
     * of a container in the event of a triple
     * click.
     *
     * Adapted from http://stackoverflow.com/a/574922
     */
    function get_previoussibling(n) {
        var y = n, x;
        try {
            x = n.previousSibling;
            while (x && x.nodeType != 1) {
                y = x;
                x = x.previousSibling;
            }
        } catch (err) {
            console.log(err);
            topOffset = -15;
            return y;
        }
        return x ? x : y;
    }

    var methods = {
        init: function (options) {

            var settings = $.extend({
                'selector': '.highlighter-container',
                'minWords': 0,
                'complete': function() {}
            }, options);
            var numClicks = 0;
            var topOffset = 0;
            var leftOffset = 0;
            var isDown = false;

        var selText;

            return this.each(function () {
                /*
                 * Insert an html <span> after a user selects text.
                 * We then use the X-Y coordinates of that span
                 * to place our tooltip.
                 * Thanks to http://stackoverflow.com/a/3599599 for
                 * some inspiration.
                 */
                function insertSpanAfterSelection(clicks) {
                    var html = "<span class='dummy'><span>";
                    topOffset = 0;
                    leftOffset = 0;
                    if (numClicks !== clicks) return;
                    var isIE = (navigator.appName === "Microsoft Internet Explorer");
                    var sel, range, expandedSelRange, node;
                    var position;
                    if (window.getSelection) {
                        sel = window.getSelection();
                        selText = sel.toString();

                        if ($.trim(selText) === '' || selText.split(' ').length < settings.minWords) return;

                        if (sel.getRangeAt && sel.rangeCount) {
                            range = window.getSelection().getRangeAt(0);

                            expandedSelRange = range.cloneRange();
                            expandedSelRange.collapse(false);

                            // Range.createContextualFragment() would be useful here but is
                            // non-standard and not supported in all browsers (IE9, for one)
                            var el = document.createElement("div");
                            el.innerHTML = html;
                            var dummy = document.createElement("span");

                            if (range.startOffset === 0 && range.endOffset === 0) {

                                var cont = expandedSelRange.startContainer;
                                var prev = get_previoussibling(cont);
                                try {
                                    expandedSelRange.selectNode(prev.lastChild);
                                } catch (err) {
                                    leftOffset = 40;
                                    topOffset = -15;
                                    expandedSelRange.selectNode(prev);
                                }
                                // console.log(expandedSelRange);
                                expandedSelRange.collapse(false);
                            } else if(range.endOffset === 0 ) {
                                topOffset = -25;
                                leftOffset = 40;
                            }


                            if (numClicks !== clicks) return;
                            $(settings.selector).hide();
                            if (!isIE && $.trim(selText) === $.trim(expandedSelRange.startContainer.innerText)) {
                                expandedSelRange.startContainer.innerHTML += "<span class='dummy'>&nbsp;</span>";
                                position = $(".dummy").offset();
                                $(".dummy").remove();
                            } else if (!isIE && $.trim(selText) === $.trim(expandedSelRange.endContainer.innerText)) {
                                expandedSelRange.endContainer.innerHTML += "<span class='dummy'>&nbsp;</span>";
                                position = $(".dummy").offset();
                                $(".dummy").remove();
                            } else {
                                expandedSelRange.insertNode(dummy);
                                position = $(dummy).offset();
                                dummy.parentNode.removeChild(dummy);
                            }
                        }
                    } else if (document.selection && document.selection.createRange) {
                        range = document.selection.createRange();
                        expandedSelRange = range.duplicate();

                        selText = expandedSelRange.text;
                        if ($.trim(selText) === '' || selText.split(' ').length < settings.minWords) return;

                        range.collapse(false);
                        range.pasteHTML(html);

                        expandedSelRange.setEndPoint("EndToEnd", range);
                        expandedSelRange.select();
                        position = $(".dummy").offset();
                        $(".dummy").remove();
                    }

                    $(settings.selector).css("top", position.top + topOffset + "px");
                    $(settings.selector).css("left", position.left + leftOffset + "px");
                    $(settings.selector).show(300, function() {
                        settings.complete(selText);
                    });
                }
                $(settings.selector).hide();
                $(settings.selector).css("position", "absolute");
                $(document).bind('mouseup.highlighter', function (e) {
                    if (isDown) {
                        numClicks = 1;
                        clicks = 0;
                        setTimeout(function () {
                            insertSpanAfterSelection(1);
                        }, 300);
                        isDown = false;
                    }
                });
                $(this).bind('mouseup.highlighter', function (e) {
                    numClicks = 1;
                    clicks = 0;
                    setTimeout(function () {
                        insertSpanAfterSelection(1);
                    }, 300);
                });
                $(this).bind('tripleclick.highlighter', function (e) {
                    numClicks = 3;
                    setTimeout(function () {
                        insertSpanAfterSelection(3);
                    }, 200);
                });

                $(this).bind('dblclick.highlighter', function (e) {
                    numClicks = 2;
                    setTimeout(function () {
                        insertSpanAfterSelection(2);
                    }, 300);
                });
                $(this).bind('mousedown.highlighter', function (e) {
                    $(settings.selector).hide();
                    isDown = true;
                });

            });
        },
        destroy: function (content) {
            return this.each(function () {
                $(document).unbind('mouseup.highlighter');
                $(this).unbind('mouseup.highlighter');
                $(this).unbind('tripleclick.highlighter');
                $(this).unbind('dblclick.highlighter');
                $(this).unbind('mousedown.highlighter');
            });
        }
    };

    /*
     * Method calling logic taken from the
     * jQuery article on best practices for
     * plugins.
     *
     * http://docs.jquery.com/Plugins/Authoring
     */
    $.fn.highlighter = function (method) {
        if (methods[method]) {
            return methods[method].apply(this, Array.prototype.slice.call(arguments, 1));
        } else if (typeof method === 'object' || !method) {
            return methods.init.apply(this, arguments);
        } else {
            $.error('Method ' + method + ' does not exist on jQuery.highlighter');
        }

    };

})(jQuery);