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Compiler for the Scala Programming Language
// © 2009–2010 EPFL/LAMP
// code by Gilles Dubochet with contributions by Johannes Rudolph and "spiros"
var topLevelTemplates = undefined;
var topLevelPackages = undefined;
var scheduler = undefined;
var kindFilterState = undefined;
var focusFilterState = undefined;
var title = $(document).attr('title');
var lastHash = "";
$(document).ready(function() {
$('body').layout({
west__size: '20%',
center__maskContents: true
});
$('#browser').layout({
center__paneSelector: ".ui-west-center"
//,center__initClosed:true
,north__paneSelector: ".ui-west-north"
});
$('iframe').bind("load", function(){
var subtitle = $(this).contents().find('title').text();
$(document).attr('title', (title ? title + " - " : "") + subtitle);
setUrlFragmentFromFrameSrc();
});
// workaround for IE's iframe sizing lack of smartness
if($.browser.msie) {
function fixIFrame() {
$('iframe').height($(window).height() )
}
$('iframe').bind("load",fixIFrame)
$('iframe').bind("resize",fixIFrame)
}
scheduler = new Scheduler();
scheduler.addLabel("init", 1);
scheduler.addLabel("focus", 2);
scheduler.addLabel("filter", 4);
prepareEntityList();
configureTextFilter();
configureKindFilter();
configureEntityList();
setFrameSrcFromUrlFragment();
// If the url fragment changes, adjust the src of iframe "template".
$(window).bind('hashchange', function() {
if(lastFragment != window.location.hash) {
lastFragment = window.location.hash;
setFrameSrcFromUrlFragment();
}
});
});
// Set the iframe's src according to the fragment of the current url.
// fragment = "#scala.Either" => iframe url = "scala/Either.html"
// fragment = "#scala.Either@isRight:Boolean" => iframe url = "scala/Either.html#isRight:Boolean"
function setFrameSrcFromUrlFragment() {
var fragment = location.hash.slice(1);
if(fragment) {
var loc = fragment.split("@")[0].replace(/\./g, "/");
if(loc.indexOf(".html") < 0) loc += ".html";
if(fragment.indexOf('@') > 0) loc += ("#" + fragment.split("@", 2)[1]);
frames["template"].location.replace(loc);
}
else
frames["template"].location.replace("package.html");
}
// Set the url fragment according to the src of the iframe "template".
// iframe url = "scala/Either.html" => url fragment = "#scala.Either"
// iframe url = "scala/Either.html#isRight:Boolean" => url fragment = "#scala.Either@isRight:Boolean"
function setUrlFragmentFromFrameSrc() {
try {
var commonLength = location.pathname.lastIndexOf("/");
var frameLocation = frames["template"].location;
var relativePath = frameLocation.pathname.slice(commonLength + 1);
if(!relativePath || frameLocation.pathname.indexOf("/") < 0)
return;
// Add #, remove ".html" and replace "/" with "."
fragment = "#" + relativePath.replace(/\.html$/, "").replace(/\//g, ".");
// Add the frame's hash after an @
if(frameLocation.hash) fragment += ("@" + frameLocation.hash.slice(1));
// Use replace to not add history items
lastFragment = fragment;
location.replace(fragment);
}
catch(e) {
// Chrome doesn't allow reading the iframe's location when
// used on the local file system.
}
}
var Index = {};
(function (ns) {
function openLink(t, type) {
var href;
if (type == 'object') {
href = t['object'];
} else {
href = t['class'] || t['trait'] || t['case class'] || t['type'];
}
return [
'
'
].join('');
}
function createPackageHeader(pack) {
return [
'',
'focushide',
'',
pack,
' '
].join('');
};
function createListItem(template) {
var inner = '';
if (template.object) {
inner += openLink(template, 'object');
}
if (template['class'] || template['trait'] || template['case class'] || template['type']) {
inner += (inner == '') ?
'' : '';
inner += openLink(template, template['trait'] ? 'trait' : template['type'] ? 'type' : 'class');
} else {
inner += '';
}
return [
'',
inner,
'',
template.name.replace(/^.*\./, ''),
' '
].join('');
}
ns.createPackageTree = function (pack, matched, focused) {
var html = $.map(matched, function (child, i) {
return createListItem(child);
}).join('');
var header;
if (focused && pack == focused) {
header = '';
} else {
header = createPackageHeader(pack);
}
return [
'',
header,
'',
html,
'
'
].join('');
}
ns.keys = function (obj) {
var result = [];
var key;
for (key in obj) {
result.push(key);
}
return result;
}
var hiddenPackages = {};
function subPackages(pack) {
return $.grep($('#tpl ol.packages'), function (element, index) {
var pack = $('li.pack > .tplshow', element).text();
return pack.indexOf(pack + '.') == 0;
});
}
ns.hidePackage = function (ol) {
var selected = $('li.pack > .tplshow', ol).text();
hiddenPackages[selected] = true;
$('ol.templates', ol).hide();
$.each(subPackages(selected), function (index, element) {
$(element).hide();
});
}
ns.showPackage = function (ol, state) {
var selected = $('li.pack > .tplshow', ol).text();
hiddenPackages[selected] = false;
$('ol.templates', ol).show();
$.each(subPackages(selected), function (index, element) {
$(element).show();
// When the filter is in "packs" state,
// we don't want to show the `.templates`
var key = $('li.pack > .tplshow', element).text();
if (hiddenPackages[key] || state == 'packs') {
$('ol.templates', element).hide();
}
});
}
})(Index);
function configureEntityList() {
kindFilterSync();
configureHideFilter();
configureFocusFilter();
textFilter();
}
/* Updates the list of entities (i.e. the content of the #tpl element) from the raw form generated by Scaladoc to a
form suitable for display. In particular, it adds class and object etc. icons, and it configures links to open in
the right frame. Furthermore, it sets the two reference top-level entities lists (topLevelTemplates and
topLevelPackages) to serve as reference for resetting the list when needed.
Be advised: this function should only be called once, on page load. */
function prepareEntityList() {
var classIcon = $("#library > img.class");
var traitIcon = $("#library > img.trait");
var typeIcon = $("#library > img.type");
var objectIcon = $("#library > img.object");
var packageIcon = $("#library > img.package");
$('#tpl li.pack > a.tplshow').attr("target", "template");
$('#tpl li.pack').each(function () {
$("span.class", this).each(function() { $(this).replaceWith(classIcon.clone()); });
$("span.trait", this).each(function() { $(this).replaceWith(traitIcon.clone()); });
$("span.type", this).each(function() { $(this).replaceWith(typeIcon.clone()); });
$("span.object", this).each(function() { $(this).replaceWith(objectIcon.clone()); });
$("span.package", this).each(function() { $(this).replaceWith(packageIcon.clone()); });
});
$('#tpl li.pack')
.prepend("hide")
.prepend("focus");
}
/* Handles all key presses while scrolling around with keyboard shortcuts in left panel */
function keyboardScrolldownLeftPane() {
scheduler.add("init", function() {
$("#textfilter input").blur();
var $items = $("#tpl li");
$items.first().addClass('selected');
$(window).bind("keydown", function(e) {
var $old = $items.filter('.selected'),
$new;
switch ( e.keyCode ) {
case 9: // tab
$old.removeClass('selected');
break;
case 13: // enter
$old.removeClass('selected');
var $url = $old.children().filter('a:last').attr('href');
$("#template").attr("src",$url);
break;
case 27: // escape
$old.removeClass('selected');
$(window).unbind(e);
$("#textfilter input").focus();
break;
case 38: // up
$new = $old.prev();
if (!$new.length) {
$new = $old.parent().prev();
}
if ($new.is('ol') && $new.children(':last').is('ol')) {
$new = $new.children().children(':last');
} else if ($new.is('ol')) {
$new = $new.children(':last');
}
break;
case 40: // down
$new = $old.next();
if (!$new.length) {
$new = $old.parent().parent().next();
}
if ($new.is('ol')) {
$new = $new.children(':first');
}
break;
}
if ($new.is('li')) {
$old.removeClass('selected');
$new.addClass('selected');
} else if (e.keyCode == 38) {
$(window).unbind(e);
$("#textfilter input").focus();
}
});
});
}
/* Configures the text filter */
function configureTextFilter() {
scheduler.add("init", function() {
$("#textfilter").append("");
var input = $("#textfilter input");
resizeFilterBlock();
input.bind('keyup', function(event) {
if (event.keyCode == 27) { // escape
input.attr("value", "");
}
if (event.keyCode == 40) { // down arrow
$(window).unbind("keydown");
keyboardScrolldownLeftPane();
return false;
}
textFilter();
});
input.bind('keydown', function(event) {
if (event.keyCode == 9) { // tab
$("#template").contents().find("#mbrsel-input").focus();
input.attr("value", "");
return false;
}
textFilter();
});
input.focus(function(event) { input.select(); });
});
scheduler.add("init", function() {
$("#textfilter > .post").click(function(){
$("#textfilter input").attr("value", "");
textFilter();
});
});
}
function compilePattern(query) {
var escaped = query.replace(/([\.\*\+\?\|\(\)\[\]\\])/g, '\\$1');
if (query.toLowerCase() != query) {
// Regexp that matches CamelCase subbits: "BiSe" is
// "[a-z]*Bi[a-z]*Se" and matches "BitSet", "ABitSet", ...
return new RegExp(escaped.replace(/([A-Z])/g,"[a-z]*$1"));
}
else { // if query is all lower case make a normal case insensitive search
return new RegExp(escaped, "i");
}
}
// Filters all focused templates and packages. This function should be made less-blocking.
// @param query The string of the query
function textFilter() {
scheduler.clear("filter");
$('#tpl').html('');
var query = $("#textfilter input").attr("value") || '';
var queryRegExp = compilePattern(query);
var index = 0;
var searchLoop = function () {
var packages = Index.keys(Index.PACKAGES).sort();
while (packages[index]) {
var pack = packages[index];
var children = Index.PACKAGES[pack];
index++;
if (focusFilterState) {
if (pack == focusFilterState ||
pack.indexOf(focusFilterState + '.') == 0) {
;
} else {
continue;
}
}
var matched = $.grep(children, function (child, i) {
return queryRegExp.test(child.name);
});
if (matched.length > 0) {
$('#tpl').append(Index.createPackageTree(pack, matched,
focusFilterState));
scheduler.add('filter', searchLoop);
return;
}
}
$('#tpl a.packfocus').click(function () {
focusFilter($(this).parent().parent());
});
configureHideFilter();
};
scheduler.add('filter', searchLoop);
}
/* Configures the hide tool by adding the hide link to all packages. */
function configureHideFilter() {
$('#tpl li.pack a.packhide').click(function () {
var packhide = $(this)
var action = packhide.text();
var ol = $(this).parent().parent();
if (action == "hide") {
Index.hidePackage(ol);
packhide.text("show");
}
else {
Index.showPackage(ol, kindFilterState);
packhide.text("hide");
}
return false;
});
}
/* Configures the focus tool by adding the focus bar in the filter box (initially hidden), and by adding the focus
link to all packages. */
function configureFocusFilter() {
scheduler.add("init", function() {
focusFilterState = null;
if ($("#focusfilter").length == 0) {
$("#filter").append("focused on 
");
$("#focusfilter > .focusremove").click(function(event) {
textFilter();
$("#focusfilter").hide();
$("#kindfilter").show();
resizeFilterBlock();
focusFilterState = null;
});
$("#focusfilter").hide();
resizeFilterBlock();
}
});
scheduler.add("init", function() {
$('#tpl li.pack a.packfocus').click(function () {
focusFilter($(this).parent());
return false;
});
});
}
/* Focuses the entity index on a specific package. To do so, it will copy the sub-templates and sub-packages of the
focuses package into the top-level templates and packages position of the index. The original top-level
@param package The element that corresponds to the package in the entity index */
function focusFilter(package) {
scheduler.clear("filter");
var currentFocus = $('li.pack > .tplshow', package).text();
$("#focusfilter > .focuscoll").empty();
$("#focusfilter > .focuscoll").append(currentFocus);
$("#focusfilter").show();
$("#kindfilter").hide();
resizeFilterBlock();
focusFilterState = currentFocus;
kindFilterSync();
textFilter();
}
function configureKindFilter() {
scheduler.add("init", function() {
kindFilterState = "all";
$("#filter").append("");
$("#kindfilter > a").click(function(event) { kindFilter("packs"); });
resizeFilterBlock();
});
}
function kindFilter(kind) {
if (kind == "packs") {
kindFilterState = "packs";
kindFilterSync();
$("#kindfilter > a").replaceWith("display all entities");
$("#kindfilter > a").click(function(event) { kindFilter("all"); });
}
else {
kindFilterState = "all";
kindFilterSync();
$("#kindfilter > a").replaceWith("display packages only");
$("#kindfilter > a").click(function(event) { kindFilter("packs"); });
}
}
/* Applies the kind filter. */
function kindFilterSync() {
if (kindFilterState == "all" || focusFilterState != null) {
$("#tpl a.packhide").text('hide');
$("#tpl ol.templates").show();
} else {
$("#tpl a.packhide").text('show');
$("#tpl ol.templates").hide();
}
}
function resizeFilterBlock() {
$("#tpl").css("top", $("#filter").outerHeight(true));
}