watarukura¶

setTimeout(() => {
    // チェックボックスとして使用する文字セットのリスト
    const checkboxSetList = [
        ['⬜', '✅'],
        ['1️⃣', '2️⃣', '3️⃣', '4️⃣', '5️⃣'],
        ['😀', '😐', '😧', '😨']
    ];

    /*
        ['⬜', '✅']
        ['🔲', '☑️']
    */

    const allBoxes = checkboxSetList.reduce((accu, current) => accu.concat(current), []);
    const startsWithBoxReg = new RegExp('^\\s*(' + allBoxes.join('|') + ')');
    const targetProject = scrapbox.Project.name;

    class KeydownEvent {
        constructor() {
            this.textArea = document.getElementById('text-input');
            this.event = document.createEvent('UIEvent');
            this.event.initEvent('keydown', true, true);
        }
        dispatch(keyCode, withShift = false, withCtrl = false, withAlt = false, withCommand = false) {
            this.event.keyCode = keyCode;
            this.event.shiftKey = withShift;
            this.event.ctrlKey = withCtrl;
            this.event.altKey = withAlt;
            this.event.metaKey = withCommand;
            this.textArea.dispatchEvent(this.event);
        }
    }

    // ボックスクリックでオンオフする
    $('#app-container').off(`click.toggleCheckBox_${targetProject}`, '.lines');
    $('#app-container').on(`click.toggleCheckBox_${targetProject}`, '.lines', async event => {
        if (scrapbox.Project.name !== targetProject) {
            $('#app-container').off(`click.toggleCheckBox_${targetProject}`, '.lines');
            return;
        }
        const target = event.target;
        if (!isFirstElementChild(target)||!isCharSpan(target, allBoxes)) return;
        await new Promise(resolve => setTimeout(resolve, 30));
        let lineString;
        try {
            lineString = getCursorLineString();
        } catch (err) {
            console.log(err);
            return;
        }
        if (!startsWithBoxReg.test(lineString)) return;
        const targetX = target.getBoundingClientRect().left;
        const cursorX = document.getElementsByClassName('cursor')[0].getBoundingClientRect().left;
        const keydownEvent = new KeydownEvent();
        if (cursorX <= targetX) {
            keydownEvent.dispatch(39);  // →
        }
        keydownEvent.dispatch(8);  // Backspace
        const newBox = (() => {
            const trimmedLineString = lineString.trim();
            for (const checkboxSet of checkboxSetList) {
                for (let i = 0; i < checkboxSet.length; i++) {
                    if (trimmedLineString.startsWith(checkboxSet[i])) {
                        return checkboxSet[i + 1 < checkboxSet.length ? i + 1 : 0];
                    }
                }
            }
            return target.textContent;
        })();
        writeText(newBox);

        // この下のコメントアウトを解除すると、checked時に取消線を入れて時刻を追記します
        // Mac、Porterでのみ動作します
        /*
        if (/Mobile/.test(navigator.userAgent)) return;
        const targetBoxSet = checkboxSetList[0];
        if (!targetBoxSet.includes(newBox) || newBox === targetBoxSet[0]) return;
        await new Promise(resolve => setTimeout(resolve, 30));
        keydownEvent.dispatch(39, true, false, false, true);  // shift + command + →
        writeText('-');
        keydownEvent.dispatch(39, false, false, false, true);  // command + →
        const now = moment().format('HH:mm');
        writeText(` ${now}`);
        */
    });

    // ボックス行で改行すると次行にボックス自動挿入
    $('#text-input').off(`keydown.autoInsertCheckBox_${targetProject}`);
    $('#text-input').on(`keydown.autoInsertCheckBox_${targetProject}`, async event => {
        if (scrapbox.Project.name !== targetProject) {
            $('#text-input').off(`keydown.autoInsertCheckBox_${targetProject}`);
            return;
        }
        switch (event.key) {
            case 'Enter': {
                let currentLineString;
                try {
                    currentLineString = getCursorLineString();
                } catch (err) {
                    console.log(err);
                    return;
                }
                if (!startsWithBoxReg.test(currentLineString)) return;
                await new Promise(resolve => setTimeout(resolve, 30));
                let nextLineString;
                try {
                    nextLineString = getCursorLineString();
                } catch (err) {
                    console.log(err);
                    return;
                }
                if (!startsWithBoxReg.test(nextLineString)) {
                    const trimmedLineString = currentLineString.trim();
                    const targetBoxSet = checkboxSetList.find(boxSet => {
                        return boxSet.some(box => trimmedLineString.startsWith(box));
                    });
                    writeText(targetBoxSet[0]); 
                }
                return;
            }
            default: {
                return;
            }
        }
    });

    function isFirstElementChild(element) {
        return element.parentNode.firstElementChild === element;
    }
    function getCursorLineString() {
        return document.querySelector('.lines div.line.cursor-line').textContent;
    }
    function isCharSpan(element, targetCharList) {
        return element.tagName === 'SPAN'
            && targetCharList.includes(element.textContent)
            && element.classList.value.split(' ').some(value => /^c\-\d+$/.test(value));
    }
    function writeText(text) {
        const textArea = document.getElementById('text-input');
        textArea.value = text;
        textArea.dispatchEvent(new InputEvent('input', {bubbles: true, cancelable: true}));
    }
 }, 1500);

body {background-color:black;}