MediaWiki:Common.js

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/* Códigos JavaScript aqui colocados serão carregados por todos aqueles que acessarem alguma página deste wiki */

/* Organize */
$(document).ready(function () {
  var tables = document.getElementsByClassName("organize");
  Array.prototype.forEach.call(tables, function (table) {
    var rows, switching, i, x, y, shouldSwitch;
    switching = true;
    /* Make a loop that will continue until
        no switching has been done: */
    while (switching) {
      // start by saying: no switching is done:
      switching = false;
      rows = table.rows;
      /* Loop through all table rows (except the
            first, which contains table headers): */
      for (i = 1; i < rows.length - 1; i++) {
        // start by saying there should be no switching:
        shouldSwitch = false;
        /* Get the two elements you want to compare,
                one from current row and one from the next: */
        x = rows[i].querySelector("h3>span.mw-headline");
        y = rows[i + 1].querySelector("h3>span.mw-headline");
        // check if the two rows should switch place:
        if (
          x.getAttribute("id").toLowerCase() >
          y.getAttribute("id").toLowerCase()
        ) {
          // if so, mark as a switch and break the loop:
          shouldSwitch = true;
          break;
        }
      }
      if (shouldSwitch) {
        /* If a switch has been marked, make the switch
                and mark that a switch has been done: */
        rows[i].parentNode.insertBefore(rows[i + 1], rows[i]);

        var rowIdA = rows[i].querySelector(".mw-headline").getAttribute("id");
        var rowIdB = rows[i + 1]
          .querySelector(".mw-headline")
          .getAttribute("id");
        var floatTOCLinkA = document.querySelector(
          'a[href$="' + rowIdA + '"]'
        ).parentNode;
        var floatTOCLinkB = document.querySelector(
          'a[href$="' + rowIdB + '"]'
        ).parentNode;

        floatTOCLinkB.parentNode.insertBefore(floatTOCLinkA, floatTOCLinkB);

        rowIdA = null;
        rowIdB = null;
        floatTOCLinkA = null;
        floatTOCLinkB = null;

        switching = true;
      }
    }
  });
});

/* TOC */
$(document).ready(function () {
  $(function () {
    var $window,
      $mwPanel,
      $floatTOC,
      scrollHandler,
      tocLimit,
      headingOffsets,
      headingThreshold,
      $toc = $("#toc");

    if (!$toc.length) {
      return;
    }

    $window = $(window);
    $mwPanel = $("#mw-panel");

    headingThreshold = $window.height() / 5.0;

    $floatTOC = $toc
      .clone()
      .removeAttr("id")
      .attr("id", "floatTOC")
      .addClass("floatTOC")
      .appendTo("body");

    $floatTOC.find("ul").show();

    const tocToggleButton = document.createElement("button");
    tocToggleButton.setAttribute("id", "toctogglebutton");
    tocToggleButton.setAttribute("onclick", "toggleTOCVisibility()");

    const tocToggleButtonIconNode = document.createElement("i");
    tocToggleButtonIconNode.setAttribute("class", "material-icons");

    var tocToggleButtonIconNodeContent;

    if (getCookie("showTOC") == "false") {
        tocToggleButtonIconNodeContent = document.createTextNode("chevron_left");

        $floatTOC.addClass("hiddenFloatTOC");
    } else {
        tocToggleButtonIconNodeContent = document.createTextNode("chevron_right");
    }

    tocToggleButtonIconNode.appendChild(tocToggleButtonIconNodeContent);
    tocToggleButton.appendChild(tocToggleButtonIconNode);

    $floatTOC.prepend(tocToggleButton);

    $floatTOC.find("a").click(function (e) {
      $("html, body").animate({
        scrollTop:
          $(this.hash.replace(/\./g, "\\.")).offset().top - headingThreshold,
      });

      return false;
    });

    tocLimit = $toc.offset().top + $toc.height();
    headingOffsets = [];

    $(".mw-headline").each(function () {
      headingOffsets.push([$(this).attr("id"), $(this).offset().top]);
    });

    scrollHandler = function () {
      var $current,
        scrollTop = $window.scrollTop();

      if (scrollTop > tocLimit) {
        $mwPanel.hide();

        var highlight = false;

        $.each(headingOffsets, function (i, v) {
          if (i !== 0 && scrollTop + headingThreshold < v[1]) {
            highlight = headingOffsets[i - 1][0];
            return false;
          }
        });

        if (highlight) {
          $current = $floatTOC.find('a[href="#' + highlight + '"]');
          $floatTOC.find("a").not($current).css("font-weight", "");
          $current.css("font-weight", "bold");
        }
      } else {
        $mwPanel.show();
      }
    };

    $window.on("scroll", OO.ui.throttle(250, scrollHandler));
  });
});

function toggleTOCVisibility() {
  var $floatTOC = $("#floatTOC");
  var $tocToggleButton = $("#toctogglebutton");

  if ($floatTOC.hasClass("hiddenFloatTOC")) {
    $floatTOC.removeClass("hiddenFloatTOC");

    const tocToggleButtonIconNode = document.createElement("i");
    tocToggleButtonIconNode.setAttribute("class", "material-icons");

    const tocToggleButtonIconNodeContent =
      document.createTextNode("chevron_right");
    tocToggleButtonIconNode.appendChild(tocToggleButtonIconNodeContent);

    $tocToggleButton.html("");
    $tocToggleButton.append(tocToggleButtonIconNode);

    setCookie("showTOC", "true");

  } else {
    $floatTOC.addClass("hiddenFloatTOC");

    const tocToggleButtonIconNode = document.createElement("i");
    tocToggleButtonIconNode.setAttribute("class", "material-icons");

    const tocToggleButtonIconNodeContent =
      document.createTextNode("chevron_left");
    tocToggleButtonIconNode.appendChild(tocToggleButtonIconNodeContent);

    $tocToggleButton.html("");
    $tocToggleButton.append(tocToggleButtonIconNode);

    setCookie("showTOC", "false");

  }
}

function setCookie(cname, cvalue, exdays) {
  const d = new Date();
  d.setTime(d.getTime() + (exdays || 365) * 24 * 60 * 60 * 1000);
  const expires = "expires=" + d.toUTCString();
  document.cookie = cname + "=" + cvalue + ";" + expires + ";path=/";
}

function getCookie(cname) {
  var name = cname + "=";
  var ca = document.cookie.split(";");
  for (var i = 0; i < ca.length; i++) {
    var c = ca[i];
    while (c.charAt(0) == " ") {
      c = c.substring(1);
    }
    if (c.indexOf(name) == 0) {
      return c.substring(name.length, c.length);
    }
  }
  return "";
}