ExamTopic Print

Print function for ExamTopics
目前为 2024-06-24 提交的版本。查看最新版本。
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// ==UserScript==
// @name         ExamTopic Print
// @namespace    http://tampermonkey.net/
// @version      2024-06-24
// @description  Print function for ExamTopics
// @author       You
// @icon         https://cdn-icons-png.flaticon.com/512/839/839184.png
// @match        https://www.examtopics.com/*
// @license MIT
// @grant        none
// ==/UserScript==

function getVoteSummary(element) {
    var voteBars = element.getElementsByClassName('vote-bar');
    var summary = {};
    var totalVotes = 0;

    for (var i = 0; i < voteBars.length; i++) {
        var voteBar = voteBars[i];
        var tooltipText = voteBar.getAttribute('data-original-title');
        var votes;

        if (tooltipText.includes('%')) {
            var percentage = parseFloat(tooltipText);
            votes = Math.round((percentage / 100) * totalVotes);
        } else {
            votes = parseInt(tooltipText);
        }

        if (!isNaN(votes)) {
            var option = voteBar.textContent.trim();
            summary[option] = votes;
            totalVotes += votes;
        }
    }

    return {
        'total': totalVotes,
        'votes': summary
    };
}

function extractQuestionNumber(str) {
    const match = str.match(/question (\d+)/);
    if (match) {
        return 'question_' + match[1];
    } else {
        return 'something_wrong_in_parse_title';
    }
}


(function() {
    'use strict';
    window.addEventListener('load', function() {
        var printButton = document.createElement("button");
        printButton.innerHTML = "Print";
        printButton.style.marginLeft = "10px";
        printButton.onclick = printFunction;

        var correctAnswerBox = document.querySelector(".correct-answer-box br");
        correctAnswerBox.parentNode.insertBefore(printButton, correctAnswerBox);

        function printFunction() {
            var selectedElement = document.querySelectorAll(".col-12")[3];
            var clonedElement = selectedElement.cloneNode(true);

            // calculate vote
            const voteSummary = getVoteSummary(clonedElement);

            console.log(voteSummary);

            let voteSummaryDiv = document.createElement("div");

            // Create HTML content
            let voteSummaryHTML = `<b>Total: ${voteSummary.total}</b><ul>`;
            for (let voteType in voteSummary.votes) {
                voteSummaryHTML += `<li>${voteType}: ${voteSummary.votes[voteType]}</li>`;
            }
            voteSummaryHTML += "</ul>";

            // Set the HTML content to the new div
            voteSummaryDiv.innerHTML = voteSummaryHTML;

            // Append the new div to the last element with class 'question-answer'
            let questionAnswerElements = clonedElement.getElementsByClassName('question-answer');
            let lastQuestionAnswerElement = questionAnswerElements[questionAnswerElements.length - 1];
            lastQuestionAnswerElement.appendChild(voteSummaryDiv);


            var listItemElements = clonedElement.querySelectorAll("li");
            listItemElements.forEach(function (listItem) {
                listItem.className = "multi-choice-item";
            });

            var garbege = [
                '.all-questions-link',
                '.correct-answer-box',
                '.disclaimer-box',
                'span.badge.badge-success.most-voted-answer-badge',
                '.correct-answer',
                '.vote-answer-button',
                '.voting-summary',
            ];

            garbege.forEach(function(selector) {
                var elements = clonedElement.querySelectorAll(selector);
                elements.forEach(function(element) {
                    element.parentNode.removeChild(element);
                });
            });

            var mywindow = window.open("", "PRINT", "height=1754,width=1240");

            mywindow.document.write(`
                <html>
                <head>
                <title>${extractQuestionNumber(document.title)}</title>
            `);

            Array.prototype.forEach.call(document.styleSheets, function (sheet) {
                mywindow.document.write(
                    `<style type="text/css">
                        body {
                            font-family: Arial !important;
                        }
                        @page {
                            margin-left: 1.3in;
                            margin-right: 1.3in;
                        }
                    </style>
                    <link rel="stylesheet" href="${sheet.href}" type="text/css" />`
                );
            });

            mywindow.document.write(`
                </head>
                <body>
                ${clonedElement.innerHTML}
                </body>
                </html>
            `);

            setTimeout(function() {
                mywindow.print();
                mywindow.close();
            }, 500);


            return true;
        }
    }, false);
})();
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