AnkiNoteTemplate/templates/Japanese sentences/Recognition/front.html

<!--
mpvacious cards, version 16.0
Wed Feb  7 08:30:09 PM UTC 2024
-->

<div class="wrap">
    <header>
        {{#Focus}}
        <div class="tags">{{Focus}}</div>
        {{/Focus}} {{#Tags}}
        <div class="tags">{{Tags}}</div>
        {{/Tags}}
    </header>

    <div class="sent-center" id="tsc" visible="true">
        <!-- this tag is hidden on the front. -->
        <div class="jpsentence" lang="ja">
            {{edit:furigana:SentKanji}} {{^SentKanji}}
            <nokana>{{edit:kanji:SentFurigana}}</nokana>
            {{/SentKanji}}
        </div>
    </div>

    <div class="sent-center" id="jp1k-tsc" visible="false">
        <!-- JP1K mode is active only if note has been tagged as jp1k. -->
        <div class="jpsentence" lang="ja">{{furigana:SentFurigana}}</div>
        <button class="toggle_furigana_button" onclick="toggle_jp1k_furigana();">Toggle Readings</button>
    </div>

    {{#Image}}
    <details class="images-on-front images-details">
        <summary>Image</summary>
        <div class="images">{{Image}}</div>
    </details>
    {{/Image}}
</div>
<!-- /wrap -->

<div style="display: none">
    <div id="vocab_kanji_hidden">{{VocabKanji}}</div>
    <div id="pitchnum_hidden">{{VocabPitchNum}}</div>
    <div id="kanaword_hidden">{{kana:VocabFurigana}}</div>
</div>

<script>
    /* Paints the question word according to its Pitch Accent number.
     * blue for 平板
     * red for 頭高
     * orange for 中高
     * green for 尾高
     */
    function markPitch() {
        let pitchNumber = document.getElementById("pitchnum_hidden");
        if (pitchNumber === null) {
            return;
        }
        pitchNumber = pitchNumber.innerHTML.match(/\d/);
        if (pitchNumber === null) {
            return;
        }
        pitchNumber = Number(pitchNumber);
        /* Then decide what color to use and change font color accordingly. */
        if (pitchNumber == 0) {
            // use blue for 平板
            paintTargetWord("#3366CC");
        } else if (pitchNumber == 1) {
            // use red for 頭高
            paintTargetWord("red");
        } else if (pitchNumber > 1) {
            if (is_odaka(pitchNumber)) {
                // use green for 尾高
                paintTargetWord("green");
            } else {
                // use orange for 中高
                paintTargetWord("#ff6207");
            }
        }
    }

    function paintTargetWord(color) {
        for (const word of document.querySelectorAll(".jpsentence b, .jpsentence strong")) {
            word.style.color = color;
        }
    }

    function is_odaka(pitch_num) {
        // word is odaka if number of moras is equal to pitch accent position
        const moras = document
            .getElementById("kanaword_hidden")
            .innerText.replace(/[（(＜].*[＞)）]/, "") // remove （お）, (する), ＜する＞, ＜な＞, etc
            .replace(/[ャュョゃゅょ]/g, "") // small っ is one mora; ゃゅょ are parts of single mora
            .trim();
        // first determine if な is part of pronunciation or な-adjective (e.g. 女)
        const vocab_kanji = document.getElementById("vocab_kanji_hidden").innerText.trim();
        // な-adjectives don't change pitch
        const n_moras = /な$/.test(vocab_kanji) ? moras.replace(/な$/, "").length : moras.length;
        return n_moras == pitch_num;
    }

    /* Splits tags into separate divs */
    function splitTagDiv() {
        const header = document.querySelector("header");
        if (!header) {
            return;
        }
        const split = `{{Focus}} {{Tags}}`.split(" ");
        const dont_show = ["imageonfront", "tolearn", "marked"];

        header.innerHTML = "";

        for (const tag of split) {
            if (tag.length < 1 || dont_show.includes(tag)) continue;
            const tag_elem = document.createElement("div");
            tag_elem.className = "tags";
            tag_elem.innerText = tag;
            header.appendChild(tag_elem);
        }
    }

    function formatNewRuby(kanji, readings) {
        if (readings.length > 1) {
            return `<ruby>${formatNewRuby(kanji, readings.slice(0, -1))}</ruby><rt>${readings.slice(-1)}</rt>`;
        } else {
            return `<rb>${kanji}</rb><rt>${readings.join("")}</rt>`;
        }
    }

    function reformatMultiFurigana() {
        const separators = /[\s;,.、・。]+/iu;
        const max_inline = 2;
        document.querySelectorAll("ruby:not(ruby ruby)").forEach((ruby) => {
            try {
                const kanji = (ruby.querySelector("rb") || ruby.firstChild).textContent.trim();
                const readings = ruby
                    .querySelector("rt")
                    .textContent.split(separators)
                    .map((str) => str.trim())
                    .filter((str) => str.length);

                if (readings.length > 1) {
                    ruby.innerHTML = formatNewRuby(kanji, readings.slice(0, max_inline));
                }
                if (readings.length > max_inline) {
                    const sequence = readings
                        .map((reading) => `<span class="tooltip-reading">${reading}</span>`)
                        .join("");
                    const wrapper = document.createElement("span");
                    wrapper.classList.add("tooltip");
                    wrapper.innerHTML += `<span class="tooltip-text">${sequence}</span>`;
                    ruby.replaceWith(wrapper);
                    wrapper.appendChild(ruby);
                }
            } catch (error) {
                console.error(error);
            }
        });
    }

    function isMobile() {
        return document.getElementsByTagName("html")[0].classList.contains("mobile");
    }

    /* If a card has the "imageonfront" tag set, show images on the front side. */
    function setVisibleImageOnFront() {
        if (`{{Tags}}`.split(" ").includes("imageonfront")) {
            for (const frontImg of document.querySelectorAll(".images-on-front")) {
                frontImg.setAttribute("visible", true);
            }
        }
    }

    /* Hide images on mobile devices. */
    function toggleImageDetails() {
        for (const detailsElement of document.querySelectorAll(".images-details")) {
            detailsElement.toggleAttribute("open", !isMobile());
        }
    }

    function toggle_jp1k_furigana() {
        for (const element of document.querySelectorAll("#jp1k-tsc ruby rt")) {
            element.style.visibility = !element.style.visibility ? "visible" : "";
        }
    }

    function toggle_JP1K_mode() {
        const tsc_el = document.querySelector("#tsc");
        const jp1k_el = document.querySelector("#jp1k-tsc");
        const is_jp1k_mode = `{{Tags}}`.toLowerCase().split(" ").includes("jp1k");
        jp1k_el.setAttribute("visible", is_jp1k_mode);
        tsc_el.setAttribute("visible", !is_jp1k_mode);
    }

    markPitch();
    splitTagDiv();
    reformatMultiFurigana();
    setVisibleImageOnFront();
    toggleImageDetails();
    toggle_JP1K_mode();
    document.addEventListener("keydown", (event) => {
        /* Press "P" to reveal furigana for all words */
        const P_KEY = 80;
        if (event.keyCode === P_KEY) {
            toggle_jp1k_furigana();
        }
    });
</script>