Enhanced Character.AI Text Color and Font

Enhanced script to change text colors, fonts, and sizes with a modern UI using Tailwind CSS. Now includes more font choices and highlights chosen words.
目前為 2024-06-27 提交的版本，檢視最新版本。
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// ==UserScript==
// @name        Enhanced Character.AI Text Color and Font
// @namespace   EnhancedCharacterAITextColorFont
// @match       https://*.character.ai/*
// @grant       none
// @license     MIT
// @version     1.2
// @description Enhanced script to change text colors, fonts, and sizes with a modern UI using Tailwind CSS. Now includes more font choices and highlights chosen words.
// @icon        https://i.imgur.com/ynjBqKW.png
// ==/UserScript==

(function () {
  // Add Tailwind CSS to the document
  const tailwindCSS = document.createElement('link');
  tailwindCSS.href = 'https://cdnjs.cloudflare.com/ajax/libs/tailwindcss/2.2.19/tailwind.min.css';
  tailwindCSS.rel = 'stylesheet';
  document.head.appendChild(tailwindCSS);

  // Add Google Fonts
  const googleFonts = document.createElement('link');
  googleFonts.href = 'https://fonts.googleapis.com/css2?family=Noto+Sans&family=Roboto&family=Arial&family=Courier+New&family=Times+New+Roman&family=Verdana&display=swap';
  googleFonts.rel = 'stylesheet';
  document.head.appendChild(googleFonts);

  var plaintextColor = localStorage.getItem('plaintext_color') || '#958C7F';
  var fontFamily = localStorage.getItem('font_family') || 'Noto Sans, sans-serif';
  var fontSize = localStorage.getItem('font_size') || '16px';

  var css = `
    p, .swiper-no-swiping div {
      color: ${plaintextColor} !important;
      font-family: ${fontFamily} !important;
      font-size: ${fontSize} !important;
    }
  `;

  var head = document.getElementsByTagName("head")[0];
  var style = document.createElement("style");
  style.setAttribute("type", "text/css");
  style.innerHTML = css;
  head.appendChild(style);
})();

function changeColors() {
  const pTags = document.getElementsByTagName("p");
  for (let i = 0; i < pTags.length; i++) {
    const pTag = pTags[i];
    if (
      pTag.dataset.colorChanged === "true" ||
      pTag.querySelector("code") ||
      pTag.querySelector("img")
    ) {
      continue;
    }
    let text = pTag.innerHTML;

    const aTags = pTag.getElementsByTagName("a");
    for (let j = 0; j < aTags.length; j++) {
      const aTag = aTags[j];
      text = text.replace(aTag.outerHTML, "REPLACE_ME_" + j);
    }

    text = text.replace(/(["“”«»].*?["“”«»])/g, `<span style="color: ${localStorage.getItem('quotationmarks_color') || '#FFFFFF'}">$1</span>`);
    text = text.replace(/<em>(.*?)<\/em>/g,`<span style="color: ${localStorage.getItem('italic_color') || '#E0DF7F'}; font-style: italic;">$1</span>`);

    var wordlist_cc = JSON.parse(localStorage.getItem('wordlist_cc')) || [];
    if (wordlist_cc.length > 0) {
      var wordRegex = new RegExp('\\b(' + wordlist_cc.map(word => word.replace(/[.*+?^${}()|[\]\\]/g, '\\$&')).join('|') + ')\\b', 'gi');
      text = text.replace(wordRegex, `<span style="color: ${localStorage.getItem('custom_color') || '#FFFFFF'}">$1</span>`);
    }

    for (let j = 0; j < aTags.length; j++) {
      const aTag = aTags[j];
      text = text.replace("REPLACE_ME_" + j, aTag.outerHTML);
    }

    pTag.innerHTML = text;
    pTag.dataset.colorChanged = "true";
  }

  console.log("Changed colors");
}

const observer = new MutationObserver(changeColors);
observer.observe(document, { subtree: true, childList: true });
changeColors();

function createButton(symbol, onClick, extraClasses = '') {
  const button = document.createElement('button');
  button.innerHTML = symbol;
  button.className = `relative bg-none border-none text-lg cursor-pointer ${extraClasses}`;
  button.addEventListener('click', onClick);
  return button;
}

function createColorPanel() {
  const panel = document.createElement('div');
  panel.id = 'colorPanel';
  panel.className = 'fixed top-1/2 left-1/2 transform -translate-x-1/2 -translate-y-1/2 bg-gray-800 rounded-lg p-6 shadow-lg text-white z-50';

  const categories = ['italic', 'quotationmarks', 'plaintext', 'custom'];
  const colorPickers = {};

  categories.forEach(category => {
    const colorPicker = document.createElement('input');
    colorPicker.type = 'color';
    const storedColor = localStorage.getItem(`${category}_color`);
    if (storedColor) {
      colorPicker.value = storedColor;
    }

    colorPickers[category] = colorPicker;

    const colorDiv = document.createElement('div');
    colorDiv.className = 'relative w-5 h-5 ml-2 mt-1 bg-current inline-block mr-2 cursor-pointer border border-black';
    colorDiv.style.backgroundColor = colorPicker.value;

    colorDiv.addEventListener('click', function () {
      colorPicker.click();
    });

    colorPicker.addEventListener('input', function () {
      colorDiv.style.backgroundColor = colorPicker.value;
    });

    const label = document.createElement('label');
    label.className = 'inline-block w-32';
    label.appendChild(document.createTextNode(`${category}: `));

    const resetButton = createButton('↺', function () {
      colorPicker.value = getDefaultColor(category);
      colorDiv.style.backgroundColor = colorPicker.value;
    }, 'relative top-1');

    const containerDiv = document.createElement('div');
    containerDiv.appendChild(label);
    containerDiv.appendChild(colorDiv);
    containerDiv.appendChild(resetButton);

    panel.appendChild(containerDiv);
    panel.appendChild(document.createElement('br'));
  });

  // Font selector
  const fontSelector = document.createElement('select');
  fontSelector.className = 'mt-4 bg-gray-700 border-none text-white rounded p-2';
  const fonts = ['Noto Sans', 'Roboto', 'Arial', 'Courier New', 'Times New Roman', 'Verdana'];
  fonts.forEach(font => {
    const option = document.createElement('option');
    option.value = font;
    option.textContent = font;
    fontSelector.appendChild(option);
  });
  fontSelector.value = localStorage.getItem('font_family') || 'Noto Sans';

  const fontSizeInput = document.createElement('input');
  fontSizeInput.type = 'number';
  fontSizeInput.className = 'mt-4 bg-gray-700 border-none text-white rounded p-2 w-20';
  fontSizeInput.value = localStorage.getItem('font_size') ? parseInt(localStorage.getItem('font_size')) : 16;

  panel.appendChild(document.createTextNode('Font: '));
  panel.appendChild(fontSelector);
  panel.appendChild(document.createElement('br'));
  panel.appendChild(document.createTextNode('Font Size: '));
  panel.appendChild(fontSizeInput);
  panel.appendChild(document.createElement('br'));

  // Custom word list input
  const wordListInput = document.createElement('input');
  wordListInput.type = 'text';
  wordListInput.placeholder = 'Separate words with commas';
  wordListInput.className = 'mt-4 bg-gray-700 border-none text-white rounded p-2 w-full';
  panel.appendChild(wordListInput);
  panel.appendChild(document.createElement('br'));

  const wordListContainer = document.createElement('div');
  wordListContainer.className = 'flex flex-wrap mt-4';
  panel.appendChild(wordListContainer);

  const wordListArray = JSON.parse(localStorage.getItem('wordlist_cc')) || [];

  function createWordButton(word) {
    const wordButton = createButton(`${word} ✕`, function() {
      const index = wordListArray.indexOf(word);
      if (index !== -1) {
        wordListArray.splice(index, 1);
        updateWordListButtons();
      }
    }, 'bg-blue-500 hover:bg-blue-600 text-white rounded px-2 py-1 m-1');

    return wordButton;
  }

  function updateWordListButtons() {
    wordListContainer.innerHTML = '';
    wordListArray.forEach(word => {
      const wordButton = createWordButton(word);
      wordListContainer.appendChild(wordButton);
    });
  }

  const addWordsButton = document.createElement('button');
  addWordsButton.textContent = 'Add';
  addWordsButton.className = 'bg-green-500 hover:bg-green-600 text-white rounded px-4 py-2 mt-4';
  addWordsButton.addEventListener('click', function() {
    const newWords = wordListInput.value.split(',').map(word => word.trim()).filter(word => word);
    newWords.forEach(word => {
      if (!wordListArray.includes(word)) {
        wordListArray.push(word);
      }
    });
    localStorage.setItem('wordlist_cc', JSON.stringify(wordListArray));
    updateWordListButtons();
    wordListInput.value = '';
  });

  panel.appendChild(addWordsButton);

  // Update buttons initially
  updateWordListButtons();

  const buttonContainer = document.createElement('div');
  buttonContainer.className = 'mt-6 flex justify-between';

  const okButton = document.createElement('button');
  okButton.textContent = 'Confirm';
  okButton.className = 'w-24 h-10 rounded bg-green-500 hover:bg-green-600 text-white';
  okButton.addEventListener('click', function () {
    categories.forEach(category => {
      const oldValue = localStorage.getItem(`${category}_color`);
      const newValue = colorPickers[category].value;

      if (oldValue !== newValue) {
        localStorage.setItem(`${category}_color`, newValue);
        if (category === 'plaintext') {
          window.location.reload();
        }
      }
    });

    localStorage.setItem('font_family', fontSelector.value);
    localStorage.setItem('font_size', fontSizeInput.value + 'px');
    localStorage.setItem('wordlist_cc', JSON.stringify(wordListArray));
    window.location.reload();
  });

  const cancelButton = document.createElement('button');
  cancelButton.textContent = 'Cancel';
  cancelButton.className = 'w-24 h-10 rounded bg-red-500 hover:bg-red-600 text-white';
  cancelButton.addEventListener('click', function () {
    panel.remove();
  });

  buttonContainer.appendChild(okButton);
  buttonContainer.appendChild(cancelButton);
  panel.appendChild(buttonContainer);

  document.body.appendChild(panel);
}

function getDefaultColor(category) {
  const defaultColors = {
    'italic': '#E0DF7F',
    'quotationmarks': '#FFFFFF',
    'plaintext': '#958C7F',
    'custom': '#E0DF7F'
  };
  return defaultColors[category];
}

const mainButton = createButton('', function () {
  const colorPanelExists = document.getElementById('colorPanel');
  if (!colorPanelExists) {
    createColorPanel();
  }
});

mainButton.style.backgroundImage = "url('https://i.imgur.com/yBgJ3za.png')";
mainButton.style.backgroundSize = "cover";
mainButton.style.top = "0px";
mainButton.style.width = "22px";
mainButton.style.height = "22px";

function insertMainButton() {
  const targetSelector = '.chat2 > div:nth-child(1) > div:nth-child(1) > div:nth-child(3) > div:nth-child(1)';
  const targetPanel1 = document.querySelector(targetSelector);

  if (targetPanel1) {
    if (!document.querySelector('.color-palette-button')) {
      mainButton.classList.add('color-palette-button');
      targetPanel1.insertBefore(mainButton, targetPanel1.firstChild);
    }
  } else {
    const observer = new MutationObserver(() => {
      const updatedTargetPanel = document.querySelector(targetSelector);
      if (updatedTargetPanel) {
        mainButton.classList.add('color-palette-button');
        updatedTargetPanel.insertBefore(mainButton, updatedTargetPanel.firstChild);
        observer.disconnect();
      }
    });

    observer.observe(document.body, { subtree: true, childList: true });
    console.error('Target panel not found. Waiting for changes...');
  }
}

setInterval(insertMainButton, 1000);
insertMainButton();