Extract Page Text

Get all text content from page

Tendrás que instalar una extensión para tu navegador como Tampermonkey, Greasemonkey o Violentmonkey si quieres utilizar este script.

You will need to install an extension such as Tampermonkey to install this script.

Tendrás que instalar una extensión como Tampermonkey o Violentmonkey para instalar este script.

Necesitarás instalar una extensión como Tampermonkey o Userscripts para instalar este script.

Tendrás que instalar una extensión como Tampermonkey antes de poder instalar este script.

Necesitarás instalar una extensión para administrar scripts de usuario si quieres instalar este script.

(Ya tengo un administrador de scripts de usuario, déjame instalarlo)

Tendrás que instalar una extensión como Stylus antes de poder instalar este script.

Tendrás que instalar una extensión como Stylus antes de poder instalar este script.

Tendrás que instalar una extensión como Stylus antes de poder instalar este script.

Para poder instalar esto tendrás que instalar primero una extensión de estilos de usuario.

Para poder instalar esto tendrás que instalar primero una extensión de estilos de usuario.

Para poder instalar esto tendrás que instalar primero una extensión de estilos de usuario.

(Ya tengo un administrador de estilos de usuario, déjame instalarlo)

// ==UserScript==
// @name         Extract Page Text
// @namespace    https://sodaubai.hcm.edu.vn/*
// @version      1.2
// @description  Get all text content from page
// @match        https://sodaubai.hcm.edu.vn/*
// @grant        none
// @license MIT
// ==/UserScript==

(function () {
    'use strict';

    /* ---------------------------
       UI CONTAINER
    --------------------------- */

    const container = document.createElement("div");
    container.style.position = "fixed";
    container.style.bottom = "20px";
    container.style.right = "20px";
    container.style.zIndex = "999999";
    container.style.fontFamily = "Arial";

    /* ---------------------------
       TOGGLE BUTTON
    --------------------------- */

    const toggleBtn = document.createElement("button");
    toggleBtn.innerText = "📄 Extract";
    toggleBtn.style.padding = "10px 16px";
    toggleBtn.style.borderRadius = "25px";
    toggleBtn.style.border = "none";
    toggleBtn.style.background = "#007bff";
    toggleBtn.style.color = "#fff";
    toggleBtn.style.cursor = "pointer";
    toggleBtn.style.boxShadow = "0 4px 12px rgba(0,0,0,0.25)";

    /* ---------------------------
       PANEL
    --------------------------- */

    const panel = document.createElement("div");
    panel.style.width = "500px";
    panel.style.height = "350px";
    panel.style.background = "#ffffff";
    panel.style.borderRadius = "10px";
    panel.style.boxShadow = "0 5px 20px rgba(0,0,0,0.3)";
    panel.style.padding = "10px";
    panel.style.marginBottom = "10px";
    panel.style.display = "none";
    panel.style.flexDirection = "column";
    panel.style.resize = "both";
    panel.style.overflow = "auto";
    panel.style.minWidth = "300px";
    panel.style.minHeight = "200px";
    panel.style.resize = "both";

    /* ---------------------------
       HEADER
    --------------------------- */

    const header = document.createElement("div");
    header.style.display = "flex";
    header.style.justifyContent = "space-between";
    header.style.alignItems = "center";
    header.style.marginBottom = "10px";
    header.style.fontWeight = "bold";

    const title = document.createElement("span");
    title.innerText = "Smart Extractor";

    const closeBtn = document.createElement("button");
    closeBtn.innerText = "✖";
    closeBtn.style.border = "none";
    closeBtn.style.background = "transparent";
    closeBtn.style.cursor = "pointer";

    closeBtn.onclick = () => panel.style.display = "none";

    header.appendChild(title);
    header.appendChild(closeBtn);

    /* ---------------------------
       BUTTON BAR
    --------------------------- */

    const btnBar = document.createElement("div");
    btnBar.style.display = "flex";
    btnBar.style.gap = "6px";
    btnBar.style.marginBottom = "10px";

    const extractBtn = document.createElement("button");
    extractBtn.innerText = "Lấy dữ liệu";

    const copyBtn = document.createElement("button");
    copyBtn.innerText = "Copy JSON";

    const downloadBtn = document.createElement("button");
    downloadBtn.innerText = "Download JSON";

    const excelBtn = document.createElement("button");
    excelBtn.innerText = "Download Excel";

    [extractBtn, copyBtn, downloadBtn, excelBtn].forEach(b => {
        b.style.padding = "6px 10px";
        b.style.cursor = "pointer";
    });

    btnBar.appendChild(extractBtn);
    btnBar.appendChild(copyBtn);
    btnBar.appendChild(downloadBtn);
    btnBar.appendChild(excelBtn);

    /* ---------------------------
       OUTPUT AREA
    --------------------------- */

    const output = document.createElement("div");
    output.style.flex = "1";
    output.style.overflow = "auto";
    output.style.border = "1px solid #ddd";
    output.style.padding = "6px";
    output.style.fontSize = "12px";
    output.style.background = "#fafafa";

    panel.appendChild(header);
    panel.appendChild(btnBar);
    panel.appendChild(output);

    container.appendChild(panel);
    container.appendChild(toggleBtn);
    document.body.appendChild(container);

    toggleBtn.onclick = () => {
        panel.style.display = panel.style.display === "none" ? "flex" : "none";
    };

    /* ---------------------------
       WIJMO GRID EXTRACTOR
    --------------------------- */

    function extractWijmoGrid(grid) {

        const headers = [];
        const rows = [];

        const headerCells = grid.querySelectorAll(".wj-colheaders .wj-cell");

        headerCells.forEach(cell => {
            const text = cell.innerText.trim();
            if (text) headers.push(text);
        });

        const rowElements = grid.querySelectorAll(".wj-cells .wj-row");

        rowElements.forEach(row => {

            const cells = Array.from(row.querySelectorAll(".wj-cell"))
            .map(c => c.innerText.trim());

            if (cells.length) rows.push(cells);
        });

        return { headers, rows };
    }

    /* ---------------------------
       TABLE RENDERER
    --------------------------- */

    function renderTable(data) {

        const table = document.createElement("table");
        table.style.width = "100%";
        table.style.borderCollapse = "collapse";

        const thead = document.createElement("thead");
        const tr = document.createElement("tr");

        data.headers.forEach(h => {

            const th = document.createElement("th");
            th.innerText = h;
            th.style.border = "1px solid #ccc";
            th.style.padding = "4px";
            th.style.background = "#333";
            th.style.color = "white";

            tr.appendChild(th);
        });

        thead.appendChild(tr);
        table.appendChild(thead);

        const tbody = document.createElement("tbody");

        data.rows.forEach(r => {

            const tr = document.createElement("tr");

            r.forEach(c => {

                const td = document.createElement("td");
                td.innerText = c;
                td.style.border = "1px solid #ccc";
                td.style.padding = "4px";

                tr.appendChild(td);
            });

            tbody.appendChild(tr);
        });

        table.appendChild(tbody);

        output.innerHTML = "";
        output.appendChild(table);
    }

    /* ---------------------------
       BUTTON LOGIC
    --------------------------- */

    let extractedData = null;

    extractBtn.onclick = () => {

        const grids = document.querySelectorAll(".wj-flexgrid");

        if (grids.length === 0) {
            output.innerText = "No Wijmo grid found on this page.";
            return;
        }

        output.innerHTML = "";

        grids.forEach((grid, index) => {

            const btn = document.createElement("button");
            btn.innerText = `Extract Grid ${index + 1}`;
            btn.style.margin = "4px";

            btn.onclick = () => {

                extractedData = extractWijmoGrid(grid);
                renderTable(extractedData);

            };

            output.appendChild(btn);

        });

    };

    /* ---------------------------
       COPY JSON
    --------------------------- */

    copyBtn.onclick = () => {

        if (!extractedData) return;

        navigator.clipboard.writeText(JSON.stringify(extractedData, null, 2));
    };

    /* ---------------------------
       DOWNLOAD JSON
    --------------------------- */

    downloadBtn.onclick = () => {

        if (!extractedData) return;

        const blob = new Blob(
            [JSON.stringify(extractedData, null, 2)],
            { type: "application/json" }
        );

        const url = URL.createObjectURL(blob);

        const a = document.createElement("a");
        a.href = url;
        a.download = "extracted_data.json";
        a.click();
    };

    /* ---------------------------
       DOWNLOAD EXCEL (CSV)
    --------------------------- */

    excelBtn.onclick = () => {

        if (!extractedData || !extractedData.headers) return;

        let csv = "";

        csv += extractedData.headers.join(",") + "\n";

        extractedData.rows.forEach(row => {
            csv += row.map(v => `"${v.replace(/"/g, '""')}"`).join(",") + "\n";
        });

        const BOM = "\uFEFF"; // Fix Vietnamese encoding for Excel

        const blob = new Blob(
            [BOM + csv],
            { type: "text/csv;charset=utf-8;" }
        );

        const url = URL.createObjectURL(blob);

        const a = document.createElement("a");
        a.href = url;
        a.download = "grid_data.csv";
        a.click();
    };

})();