Derpibooru - Extra Buttons

Adds multiple buttons to one-click-apply common search/filter options

您需要先安裝使用者腳本管理器擴展,如 TampermonkeyGreasemonkeyViolentmonkey 之後才能安裝該腳本。

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

您需要先安裝使用者腳本管理器擴充功能,如 TampermonkeyViolentmonkey 後才能安裝該腳本。

您需要先安裝使用者腳本管理器擴充功能,如 TampermonkeyUserscripts 後才能安裝該腳本。

你需要先安裝一款使用者腳本管理器擴展,比如 Tampermonkey,才能安裝此腳本

您需要先安裝使用者腳本管理器擴充功能後才能安裝該腳本。

(我已經安裝了使用者腳本管理器,讓我安裝!)

你需要先安裝一款使用者樣式管理器擴展,比如 Stylus,才能安裝此樣式

你需要先安裝一款使用者樣式管理器擴展,比如 Stylus,才能安裝此樣式

你需要先安裝一款使用者樣式管理器擴展,比如 Stylus,才能安裝此樣式

你需要先安裝一款使用者樣式管理器擴展後才能安裝此樣式

你需要先安裝一款使用者樣式管理器擴展後才能安裝此樣式

你需要先安裝一款使用者樣式管理器擴展後才能安裝此樣式

(我已經安裝了使用者樣式管理器,讓我安裝!)

// ==UserScript==
// @name        Derpibooru - Extra Buttons
// @namespace   Selbi
// @version     3.0.1
// @include     /https?\:\/\/(www\.)?derpiboo(\.ru|ru\.org)\/(tags|search).+/
// @grant       none
// @description Adds multiple buttons to one-click-apply common search/filter options
// ==/UserScript==

(function() {

  // Score Button
  const TARGET_SCORE = "score";
  const TARGET_DESCENDING = "desc";
  let sortButtonIcon = document.createElement("i");
  sortButtonIcon.classList = "fas fa-sort-amount-down";
  Object.assign(sortButtonIcon.style, {
    width: "28px",
    textAlign: "center"
  });
  let sortButton = document.createElement("a");
  sortButton.classList = "header__search__button";
  sortButton.title = "Sort by descending score";
  sortButton.appendChild(sortButtonIcon);
  document.querySelector(".header__search").appendChild(sortButton);
  sortButton.onclick = function() {
    let sortDropdown = document.querySelector("#searchform_sf");
    sortDropdown.selectedIndex = findOptionIndex(sortDropdown, TARGET_SCORE);
    let orderDropdown = document.querySelector("#searchform_sd");
    orderDropdown.selectedIndex = findOptionIndex(orderDropdown, TARGET_DESCENDING);
    document.querySelector(".field > button:first-child").click();
  };

  function findOptionIndex(elem, value) {
    let options = elem.getElementsByTagName("option");
    let index = 0;
    for (o of options) {
      if (o.value == value) {
        return index;
      }
      index++;
    }
    return -1;
  }

  // Safe Button
  var queryBox = document.querySelector("#q");
  const RATINGS = ["-safe", "safe", "suggestive", "questionable", "explicit"];
  let safeButtonIcon = document.createElement("i");
  safeButtonIcon.classList = "fas fa-horse";
  Object.assign(safeButtonIcon.style, {
    width: "28px",
    textAlign: "center"
  });
  let safeButton = document.createElement("a");
  safeButton.classList = "header__search__button";
  safeButton.title = "Go to the next rating";
  safeButton.appendChild(safeButtonIcon);
  sortButton.after(safeButton);
  safeButton.onclick = function() {
    let query = queryBox.value;
    let previousRating = -1;
    for (i = 0; i < RATINGS.length; i++) {
      if (query.includes(RATINGS[i])) {
        previousRating = i;
        break;
      }
    }
    let nextRating = previousRating + 1;
    if (previousRating < 0) {
      // Entry point to "safe" when no rating is set
      query += ", " + RATINGS[nextRating];
    } else if (nextRating >= RATINGS.length) {
      // When we wrap around, remove the rating
      let previousRatingText = RATINGS[previousRating];
      query = query.replace(previousRatingText, "");
    } else {
      // Proceed to the next one
      let previousRatingText = RATINGS[previousRating];
      let nextRatingText = RATINGS[nextRating];
      query = query.replace(previousRatingText, nextRatingText);
    }
    startSearch(query);
  };

  // No-Animation Button
  let noAniButtonIcon = document.createElement("i");
  noAniButtonIcon.classList = "fas fa-video-slash";
  Object.assign(noAniButtonIcon.style, {
    width: "28px",
    textAlign: "center"
  });
  let noAniButton = document.createElement("a");
  noAniButton.classList = "header__search__button";
  noAniButton.title = "Toggle all animated content";
  noAniButton.appendChild(noAniButtonIcon);
  safeButton.after(noAniButton);
  noAniButton.onclick = function() {
    let query = queryBox.value;
    if (query.includes("-animated")) {
      // Remove it
      query = query.replace("-animated", "");
    } else {
      query += ", -animated";
    }
    startSearch(query);
  };

  function startSearch(query) {
    let normalizedQuery = query.replace(/\s+/g, " ").replace(/(^\s*,\s*|\s*,\s*$)/g, "").replace(/\s*,\s*,\s*/g, ", ");
    if (!normalizedQuery) {
      normalizedQuery = RATINGS[0];
    }
    queryBox.value = normalizedQuery;
    document.querySelector("button.header__search__button").click();
  }
})();