Function getActiveCellPointerCode

src/utility.js:92–158

(activeCell, cellIndex, currctJupyterModel)

const getActiveCellPointerCode = (activeCell, cellIndex, currctJupyterModel) => {
    let cellContent = []

    // get cursor element
    const cursorElement = activeCell.querySelector('div.CodeMirror-cursor')

    const style = window.getComputedStyle(cursorElement);

    // 指针所在位置的偏移量
    const cursorOffsetLeft = Math.round(parseFloat(style.getPropertyValue('left')))

    // Which line
    const lineIndex = Math.round(parseFloat(style.getPropertyValue('top')) / 17)

    // Obtain element for all line
    const linesElement = activeCell.querySelectorAll('.CodeMirror-line:not(.displayed)')

    // code dom element length in active line
    const codeElementWdth = linesElement[lineIndex].querySelector("span").offsetWidth

    let cursorAtEndInLine = true
    // Determine whether the pointer is at the end of a line, Because there is a left marring, so -4, but due to precision issues so -3
    if (cursorOffsetLeft - 3 < codeElementWdth) {
        cursorAtEndInLine = false

    }

    for (let i = 0; i < linesElement.length; i++) {
        if (i == lineIndex) {
            cellContent.push({
                "content": linesElement[i].textContent,
                "cellIndex": cellIndex,
                "isCursor": true,
                "type": "code",
                "lineIndex": i
            })
        } else {
            cellContent.push({
                "content": linesElement[i].textContent,
                "cellIndex": cellIndex,
                "isCursor": false,
                "type": "code",
                "lineIndex": i
            })
        }
    }

    // Get complete cells
    const fullCell = activeCell.parentElement.parentElement.parentElement.parentElement

    const outputElement = fullCell.querySelectorAll(`.${currctJupyterModel.requiredClassName.output}`);

    if (outputElement) {
        outputElement.forEach(element => {
            cellContent.push({
                "content": element.textContent,
                "cellIndex": cellIndex,
                "isCursor": false,