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Scala example source code file (template.js)

This example Scala source code file (template.js) is included in my "Source Code Warehouse" project. The intent of this project is to help you more easily find Scala source code examples by using tags.

All credit for the original source code belongs to scala-lang.org; I'm just trying to make examples easier to find. (For my Scala work, see my Scala examples and tutorials.)

Scala tags/keywords

ffcc85, members, object, regexp

The template.js Scala example source code

// © 2009–2010 EPFL/LAMP
// code by Gilles Dubochet with contributions by Pedro Furlanetto and Marcin Kubala

$(document).ready(function(){

    var controls = {
        visibility: {
            publicOnly: $("#visbl").find("> ol > li.public"),
            all: $("#visbl").find("> ol > li.all")
        }
    };

    // Escapes special characters and returns a valid jQuery selector
    function escapeJquery(str){
        return str.replace(/([;&,\.\+\*\~':"\!\^#$%@\[\]\(\)=<>\|])/g, '\\$1');
    }

    function toggleVisibilityFilter(ctrlToEnable, ctrToDisable) {
        if (ctrlToEnable.hasClass("out")) {
            ctrlToEnable.removeClass("out").addClass("in");
            ctrToDisable.removeClass("in").addClass("out");
            filter();
        }
    }

    controls.visibility.publicOnly.click(function () {
        toggleVisibilityFilter(controls.visibility.publicOnly, controls.visibility.all);
    });

    controls.visibility.all.click(function () {
        toggleVisibilityFilter(controls.visibility.all, controls.visibility.publicOnly);
    });

    function exposeMember(jqElem) {
        var jqElemParent = jqElem.parent(),
            parentName = jqElemParent.attr("name"),
            linearizationName = /^([^#]*)(#.*)?$/gi.exec(parentName)[1];

        // switch visibility filter if necessary
        if (jqElemParent.attr("visbl") == "prt") {
            toggleVisibilityFilter(controls.visibility.all, controls.visibility.publicOnly);
        }

        // toggle appropriate linearization buttons
        if (linearizationName) {
            $("#linearization li.out[name='" + linearizationName + "']").removeClass("out").addClass("in");
        }

        filter();
        window.scrollTo(0, 0);
        jqElemParent.effect("highlight", {color: "#FFCC85"}, 3000);
        $('html,body').animate({scrollTop: jqElemParent.offset().top}, 1000);
    }

    var isHiddenClass = function (name) {
        return name == 'scala.Any' ||
               name == 'scala.AnyRef';
    };

    var isHidden = function (elem) {
        return $(elem).attr("data-hidden") == 'true';
    };

    $("#linearization li:gt(0)").filter(function(){
        return isHiddenClass($(this).attr("name"));
    }).removeClass("in").addClass("out");

    $("#implicits li").filter(function(){
        return isHidden(this);
    }).removeClass("in").addClass("out");

    // Pre-filter members
    filter();

    // Member filter box
    var input = $("#textfilter input");
    input.bind("keyup", function(event) {

        switch ( event.keyCode ) {

        case 27: // escape key
            input.val("");
            filter(true);
            break;

        case 38: // up
            input.val("");
            filter(false);
            window.scrollTo(0, $("body").offset().top);
            input.focus();
            break;

        case 33: //page up
            input.val("");
            filter(false);
            break;

        case 34: //page down
            input.val("");
            filter(false);
            break;

        default:
            window.scrollTo(0, $("#mbrsel").offset().top);
            filter(true);
            break;

        }
    });
    input.focus(function(event) {
        input.select();
    });
    $("#textfilter > .post").click(function() {
        $("#textfilter input").attr("value", "");
        filter();
    });
    $(document).keydown(function(event) {

        if (event.keyCode == 9) { // tab
            $("#index-input", window.parent.document).focus();
            input.attr("value", "");
            return false;
        }
    });

    $("#linearization li").click(function(){
        if ($(this).hasClass("in")) {
            $(this).removeClass("in");
            $(this).addClass("out");
        }
        else if ($(this).hasClass("out")) {
            $(this).removeClass("out");
            $(this).addClass("in");
        }
        filter();
    });

    $("#implicits li").click(function(){
        if ($(this).hasClass("in")) {
            $(this).removeClass("in");
            $(this).addClass("out");
        }
        else if ($(this).hasClass("out")) {
            $(this).removeClass("out");
            $(this).addClass("in");
        }
        filter();
    });

    $("#mbrsel > div[id=ancestors] > ol > li.hideall").click(function() {
        $("#linearization li.in").removeClass("in").addClass("out");
        $("#linearization li:first").removeClass("out").addClass("in");
        $("#implicits li.in").removeClass("in").addClass("out");

        if ($(this).hasClass("out") && $("#mbrsel > div[id=ancestors] > ol > li.showall").hasClass("in")) {
            $(this).removeClass("out").addClass("in");
            $("#mbrsel > div[id=ancestors] > ol > li.showall").removeClass("in").addClass("out");
        }

        filter();
    })
    $("#mbrsel > div[id=ancestors] > ol > li.showall").click(function() {
        var filteredLinearization =
            $("#linearization li.out").filter(function() {
                return ! isHiddenClass($(this).attr("name"));
            });
        filteredLinearization.removeClass("out").addClass("in");

        var filteredImplicits =
        $("#implicits li.out").filter(function() {
            return ! isHidden(this);
        });
        filteredImplicits.removeClass("out").addClass("in");

        if ($(this).hasClass("out") && $("#mbrsel > div[id=ancestors] > ol > li.hideall").hasClass("in")) {
            $(this).removeClass("out").addClass("in");
            $("#mbrsel > div[id=ancestors] > ol > li.hideall").removeClass("in").addClass("out");
        }

        filter();
    });
    $("#visbl > ol > li.public").click(function() {
        if ($(this).hasClass("out")) {
            orderAlpha();
        }
    })
    $("#order > ol > li.inherit").click(function() {
        if ($(this).hasClass("out")) {
            orderInherit();
        }
    });
    $("#order > ol > li.group").click(function() {
        if ($(this).hasClass("out")) {
            orderGroup();
        }
    });
    $("#groupedMembers").hide();

    initInherit();

    // Create tooltips
    $(".extype").add(".defval").tooltip({
        tip: "#tooltip",
        position: "top center",
        predelay: 500,
        onBeforeShow: function(ev) {
            $(this.getTip()).text(this.getTrigger().attr("name"));
        }
    });

    /* Add toggle arrows */
    //var docAllSigs = $("#template li").has(".fullcomment").find(".signature");
    // trying to speed things up a little bit
    var docAllSigs = $("#template li[fullComment=yes] .signature");

    function commentToggleFct(signature){
        var parent = signature.parent();
        var shortComment = $(".shortcomment", parent);
        var fullComment = $(".fullcomment", parent);
        var vis = $(":visible", fullComment);
        signature.toggleClass("closed").toggleClass("opened");
        if (vis.length > 0) {
            shortComment.slideDown(100);
            fullComment.slideUp(100);
        }
        else {
            shortComment.slideUp(100);
            fullComment.slideDown(100);
        }
    };
    docAllSigs.addClass("closed");
    docAllSigs.click(function() {
        commentToggleFct($(this));
    });

    /* Linear super types and known subclasses */
    function toggleShowContentFct(e){
      e.toggleClass("open");
      var content = $(".hiddenContent", e.parent().get(0));
      if (content.is(':visible')) {
        content.slideUp(100);
      }
      else {
        content.slideDown(100);
      }
    };

    $(".toggle:not(.diagram-link)").click(function() {
      toggleShowContentFct($(this));
    });

    // Set parent window title
    windowTitle();

    if ($("#order > ol > li.group").length == 1) { orderGroup(); };

    function findElementByHash(locationHash) {
        var temp = locationHash.replace('#', '');
        var memberSelector = '#' + escapeJquery(temp);
        return $(memberSelector);
    }

    // highlight and jump to selected member
    if (window.location.hash) {
        var jqElem = findElementByHash(window.location.hash);
        if (jqElem.length > 0) {
            exposeMember(jqElem);
        }
    }
});

function orderAlpha() {
    $("#order > ol > li.alpha").removeClass("out").addClass("in");
    $("#order > ol > li.inherit").removeClass("in").addClass("out");
    $("#order > ol > li.group").removeClass("in").addClass("out");
    $("#template > div.parent").hide();
    $("#template > div.conversion").hide();
    $("#mbrsel > div[id=ancestors]").show();
    filter();
};

function orderInherit() {
    $("#order > ol > li.inherit").removeClass("out").addClass("in");
    $("#order > ol > li.alpha").removeClass("in").addClass("out");
    $("#order > ol > li.group").removeClass("in").addClass("out");
    $("#template > div.parent").show();
    $("#template > div.conversion").show();
    $("#mbrsel > div[id=ancestors]").hide();
    filter();
};

function orderGroup() {
    $("#order > ol > li.group").removeClass("out").addClass("in");
    $("#order > ol > li.alpha").removeClass("in").addClass("out");
    $("#order > ol > li.inherit").removeClass("in").addClass("out");
    $("#template > div.parent").hide();
    $("#template > div.conversion").hide();
    $("#mbrsel > div[id=ancestors]").show();
    filter();
};

/** Prepares the DOM for inheritance-based display. To do so it will:
  *  - hide all statically-generated parents headings;
  *  - copy all members from the value and type members lists (flat members) to corresponding lists nested below the
  *    parent headings (inheritance-grouped members);
  *  - initialises a control variable used by the filter method to control whether filtering happens on flat members
  *    or on inheritance-grouped members. */
function initInherit() {
    // inheritParents is a map from fully-qualified names to the DOM node of parent headings.
    var inheritParents = new Object();
    var groupParents = new Object();
    $("#inheritedMembers > div.parent").each(function(){
        inheritParents[$(this).attr("name")] = $(this);
    });
    $("#inheritedMembers > div.conversion").each(function(){
        inheritParents[$(this).attr("name")] = $(this);
    });
    $("#groupedMembers > div.group").each(function(){
        groupParents[$(this).attr("name")] = $(this);
    });

    $("#types > ol > li").each(function(){
        var mbr = $(this);
        this.mbrText = mbr.find("> .fullcomment .cmt").text();
        var qualName = mbr.attr("name");
        var owner = qualName.slice(0, qualName.indexOf("#"));
        var name = qualName.slice(qualName.indexOf("#") + 1);
        var inheritParent = inheritParents[owner];
        if (inheritParent != undefined) {
            var types = $("> .types > ol", inheritParent);
            if (types.length == 0) {
                inheritParent.append("<div class='types members'><h3>Type Members</h3><ol></ol></div>");
                types = $("> .types > ol", inheritParent);
            }
            var clone = mbr.clone();
            clone[0].mbrText = this.mbrText;
            types.append(clone);
        }
        var group = mbr.attr("group")
        var groupParent = groupParents[group];
        if (groupParent != undefined) {
            var types = $("> .types > ol", groupParent);
            if (types.length == 0) {
                groupParent.append("<div class='types members'><ol></ol></div>");
                types = $("> .types > ol", groupParent);
            }
            var clone = mbr.clone();
            clone[0].mbrText = this.mbrText;
            types.append(clone);
        }
    });

    $("#values > ol > li").each(function(){
        var mbr = $(this);
        this.mbrText = mbr.find("> .fullcomment .cmt").text();
        var qualName = mbr.attr("name");
        var owner = qualName.slice(0, qualName.indexOf("#"));
        var name = qualName.slice(qualName.indexOf("#") + 1);
        var inheritParent = inheritParents[owner];
        if (inheritParent != undefined) {
            var values = $("> .values > ol", inheritParent);
            if (values.length == 0) {
                inheritParent.append("<div class='values members'><h3>Value Members</h3><ol></ol></div>");
                values = $("> .values > ol", inheritParent);
            }
            var clone = mbr.clone();
            clone[0].mbrText = this.mbrText;
            values.append(clone);
        }
        var group = mbr.attr("group")
        var groupParent = groupParents[group];
        if (groupParent != undefined) {
            var values = $("> .values > ol", groupParent);
            if (values.length == 0) {
                groupParent.append("<div class='values members'><ol></ol></div>");
                values = $("> .values > ol", groupParent);
            }
            var clone = mbr.clone();
            clone[0].mbrText = this.mbrText;
            values.append(clone);
        }
    });
    $("#inheritedMembers > div.parent").each(function() {
        if ($("> div.members", this).length == 0) { $(this).remove(); };
    });
    $("#inheritedMembers > div.conversion").each(function() {
        if ($("> div.members", this).length == 0) { $(this).remove(); };
    });
    $("#groupedMembers > div.group").each(function() {
        if ($("> div.members", this).length == 0) { $(this).remove(); };
    });
};

/* filter used to take boolean scrollToMember */
function filter() {
    var query = $.trim($("#textfilter input").val()).toLowerCase();
    query = query.replace(/[-[\]{}()*+?.,\\^$|#]/g, "\\$&").replace(/\s+/g, "|");
    var queryRegExp = new RegExp(query, "i");
    var privateMembersHidden = $("#visbl > ol > li.public").hasClass("in");
    var orderingAlphabetic = $("#order > ol > li.alpha").hasClass("in");
    var orderingInheritance = $("#order > ol > li.inherit").hasClass("in");
    var orderingGroups = $("#order > ol > li.group").hasClass("in");
    var hiddenSuperclassElementsLinearization = orderingInheritance ? $("#linearization > li:gt(0)") : $("#linearization > li.out");
    var hiddenSuperclassesLinearization = hiddenSuperclassElementsLinearization.map(function() {
      return $(this).attr("name");
    }).get();
    var hiddenSuperclassElementsImplicits = orderingInheritance ? $("#implicits > li") : $("#implicits > li.out");
    var hiddenSuperclassesImplicits = hiddenSuperclassElementsImplicits.map(function() {
      return $(this).attr("name");
    }).get();

    var hideInheritedMembers;

    if (orderingAlphabetic) {
      $("#allMembers").show();
      $("#inheritedMembers").hide();
      $("#groupedMembers").hide();
      hideInheritedMembers = true;
      $("#allMembers > .members").each(filterFunc);
    } else if (orderingGroups) {
      $("#groupedMembers").show();
      $("#inheritedMembers").hide();
      $("#allMembers").hide();
      hideInheritedMembers = true;
      $("#groupedMembers  > .group > .members").each(filterFunc);
      $("#groupedMembers  > div.group").each(function() {
        $(this).show();
        if ($("> div.members", this).not(":hidden").length == 0) {
            $(this).hide();
        } else {
            $(this).show();
        }
      });
    } else if (orderingInheritance) {
      $("#inheritedMembers").show();
      $("#groupedMembers").hide();
      $("#allMembers").hide();
      hideInheritedMembers = false;
      $("#inheritedMembers > .parent > .members").each(filterFunc);
      $("#inheritedMembers > .conversion > .members").each(filterFunc);
    }


    function filterFunc() {
      var membersVisible = false;
      var members = $(this);
      members.find("> ol > li").each(function() {
        var mbr = $(this);
        if (privateMembersHidden && mbr.attr("visbl") == "prt") {
          mbr.hide();
          return;
        }
        var name = mbr.attr("name");
        // Owner filtering must not happen in "inherited from" member lists
        if (hideInheritedMembers) {
          var ownerIndex = name.indexOf("#");
          if (ownerIndex < 0) {
            ownerIndex = name.lastIndexOf(".");
          }
          var owner = name.slice(0, ownerIndex);
          for (var i = 0; i < hiddenSuperclassesLinearization.length; i++) {
            if (hiddenSuperclassesLinearization[i] == owner) {
              mbr.hide();
              return;
            }
          };
          for (var i = 0; i < hiddenSuperclassesImplicits.length; i++) {
            if (hiddenSuperclassesImplicits[i] == owner) {
              mbr.hide();
              return;
            }
          };
        }
        if (query && !(queryRegExp.test(name) || queryRegExp.test(this.mbrText))) {
          mbr.hide();
          return;
        }
        mbr.show();
        membersVisible = true;
      });

      if (membersVisible)
        members.show();
      else
        members.hide();
    };

    return false;
};

function windowTitle()
{
    try {
        parent.document.title=document.title;
    }
    catch(e) {
      // Chrome doesn't allow settings the parent's title when
      // used on the local file system.
    }
};

Other Scala source code examples

Here is a short list of links related to this Scala template.js source code file:

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