").appendTo(that.$node);
+ return new Dataset(oDataset, www);
+ }
+ }
+ _.mixin(Menu.prototype, EventEmitter, {
+ _onSelectableClick: function onSelectableClick($e) {
+ this.trigger("selectableClicked", $($e.currentTarget));
+ },
+ _onRendered: function onRendered(type, dataset, suggestions, async) {
+ this.$node.toggleClass(this.classes.empty, this._allDatasetsEmpty());
+ this.trigger("datasetRendered", dataset, suggestions, async);
+ },
+ _onCleared: function onCleared() {
+ this.$node.toggleClass(this.classes.empty, this._allDatasetsEmpty());
+ this.trigger("datasetCleared");
+ },
+ _propagate: function propagate() {
+ this.trigger.apply(this, arguments);
+ },
+ _allDatasetsEmpty: function allDatasetsEmpty() {
+ return _.every(this.datasets, isDatasetEmpty);
+ function isDatasetEmpty(dataset) {
+ return dataset.isEmpty();
+ }
+ },
+ _getSelectables: function getSelectables() {
+ return this.$node.find(this.selectors.selectable);
+ },
+ _removeCursor: function _removeCursor() {
+ var $selectable = this.getActiveSelectable();
+ $selectable && $selectable.removeClass(this.classes.cursor);
+ },
+ _ensureVisible: function ensureVisible($el) {
+ var elTop, elBottom, nodeScrollTop, nodeHeight;
+ elTop = $el.position().top;
+ elBottom = elTop + $el.outerHeight(true);
+ nodeScrollTop = this.$node.scrollTop();
+ nodeHeight = this.$node.height() + parseInt(this.$node.css("paddingTop"), 10) + parseInt(this.$node.css("paddingBottom"), 10);
+ if (elTop < 0) {
+ this.$node.scrollTop(nodeScrollTop + elTop);
+ } else if (nodeHeight < elBottom) {
+ this.$node.scrollTop(nodeScrollTop + (elBottom - nodeHeight));
+ }
+ },
+ bind: function() {
+ var that = this, onSelectableClick;
+ onSelectableClick = _.bind(this._onSelectableClick, this);
+ this.$node.on("click.tt", this.selectors.selectable, onSelectableClick);
+ _.each(this.datasets, function(dataset) {
+ dataset.onSync("asyncRequested", that._propagate, that).onSync("asyncCanceled", that._propagate, that).onSync("asyncReceived", that._propagate, that).onSync("rendered", that._onRendered, that).onSync("cleared", that._onCleared, that);
+ });
+ return this;
+ },
+ isOpen: function isOpen() {
+ return this.$node.hasClass(this.classes.open);
+ },
+ open: function open() {
+ this.$node.addClass(this.classes.open);
+ },
+ close: function close() {
+ this.$node.removeClass(this.classes.open);
+ this._removeCursor();
+ },
+ setLanguageDirection: function setLanguageDirection(dir) {
+ this.$node.attr("dir", dir);
+ },
+ selectableRelativeToCursor: function selectableRelativeToCursor(delta) {
+ var $selectables, $oldCursor, oldIndex, newIndex;
+ $oldCursor = this.getActiveSelectable();
+ $selectables = this._getSelectables();
+ oldIndex = $oldCursor ? $selectables.index($oldCursor) : -1;
+ newIndex = oldIndex + delta;
+ newIndex = (newIndex + 1) % ($selectables.length + 1) - 1;
+ newIndex = newIndex < -1 ? $selectables.length - 1 : newIndex;
+ return newIndex === -1 ? null : $selectables.eq(newIndex);
+ },
+ setCursor: function setCursor($selectable) {
+ this._removeCursor();
+ if ($selectable = $selectable && $selectable.first()) {
+ $selectable.addClass(this.classes.cursor);
+ this._ensureVisible($selectable);
+ }
+ },
+ getSelectableData: function getSelectableData($el) {
+ return $el && $el.length ? Dataset.extractData($el) : null;
+ },
+ getActiveSelectable: function getActiveSelectable() {
+ var $selectable = this._getSelectables().filter(this.selectors.cursor).first();
+ return $selectable.length ? $selectable : null;
+ },
+ getTopSelectable: function getTopSelectable() {
+ var $selectable = this._getSelectables().first();
+ return $selectable.length ? $selectable : null;
+ },
+ update: function update(query) {
+ var isValidUpdate = query !== this.query;
+ if (isValidUpdate) {
+ this.query = query;
+ _.each(this.datasets, updateDataset);
+ }
+ return isValidUpdate;
+ function updateDataset(dataset) {
+ dataset.update(query);
+ }
+ },
+ empty: function empty() {
+ _.each(this.datasets, clearDataset);
+ this.query = null;
+ this.$node.addClass(this.classes.empty);
+ function clearDataset(dataset) {
+ dataset.clear();
+ }
+ },
+ destroy: function destroy() {
+ this.$node.off(".tt");
+ this.$node = $("
");
+ _.each(this.datasets, destroyDataset);
+ function destroyDataset(dataset) {
+ dataset.destroy();
+ }
+ }
+ });
+ return Menu;
+ }();
+ var DefaultMenu = function() {
+ "use strict";
+ var s = Menu.prototype;
+ function DefaultMenu() {
+ Menu.apply(this, [].slice.call(arguments, 0));
+ }
+ _.mixin(DefaultMenu.prototype, Menu.prototype, {
+ open: function open() {
+ !this._allDatasetsEmpty() && this._show();
+ return s.open.apply(this, [].slice.call(arguments, 0));
+ },
+ close: function close() {
+ this._hide();
+ return s.close.apply(this, [].slice.call(arguments, 0));
+ },
+ _onRendered: function onRendered() {
+ if (this._allDatasetsEmpty()) {
+ this._hide();
+ } else {
+ this.isOpen() && this._show();
+ }
+ return s._onRendered.apply(this, [].slice.call(arguments, 0));
+ },
+ _onCleared: function onCleared() {
+ if (this._allDatasetsEmpty()) {
+ this._hide();
+ } else {
+ this.isOpen() && this._show();
+ }
+ return s._onCleared.apply(this, [].slice.call(arguments, 0));
+ },
+ setLanguageDirection: function setLanguageDirection(dir) {
+ this.$node.css(dir === "ltr" ? this.css.ltr : this.css.rtl);
+ return s.setLanguageDirection.apply(this, [].slice.call(arguments, 0));
+ },
+ _hide: function hide() {
+ this.$node.hide();
+ },
+ _show: function show() {
+ this.$node.css("display", "block");
+ }
+ });
+ return DefaultMenu;
+ }();
+ var Typeahead = function() {
+ "use strict";
+ function Typeahead(o, www) {
+ var onFocused, onBlurred, onEnterKeyed, onTabKeyed, onEscKeyed, onUpKeyed, onDownKeyed, onLeftKeyed, onRightKeyed, onQueryChanged, onWhitespaceChanged;
+ o = o || {};
+ if (!o.input) {
+ $.error("missing input");
+ }
+ if (!o.menu) {
+ $.error("missing menu");
+ }
+ if (!o.eventBus) {
+ $.error("missing event bus");
+ }
+ www.mixin(this);
+ this.eventBus = o.eventBus;
+ this.minLength = _.isNumber(o.minLength) ? o.minLength : 1;
+ this.input = o.input;
+ this.menu = o.menu;
+ this.enabled = true;
+ this.active = false;
+ this.input.hasFocus() && this.activate();
+ this.dir = this.input.getLangDir();
+ this._hacks();
+ this.menu.bind().onSync("selectableClicked", this._onSelectableClicked, this).onSync("asyncRequested", this._onAsyncRequested, this).onSync("asyncCanceled", this._onAsyncCanceled, this).onSync("asyncReceived", this._onAsyncReceived, this).onSync("datasetRendered", this._onDatasetRendered, this).onSync("datasetCleared", this._onDatasetCleared, this);
+ onFocused = c(this, "activate", "open", "_onFocused");
+ onBlurred = c(this, "deactivate", "_onBlurred");
+ onEnterKeyed = c(this, "isActive", "isOpen", "_onEnterKeyed");
+ onTabKeyed = c(this, "isActive", "isOpen", "_onTabKeyed");
+ onEscKeyed = c(this, "isActive", "_onEscKeyed");
+ onUpKeyed = c(this, "isActive", "open", "_onUpKeyed");
+ onDownKeyed = c(this, "isActive", "open", "_onDownKeyed");
+ onLeftKeyed = c(this, "isActive", "isOpen", "_onLeftKeyed");
+ onRightKeyed = c(this, "isActive", "isOpen", "_onRightKeyed");
+ onQueryChanged = c(this, "_openIfActive", "_onQueryChanged");
+ onWhitespaceChanged = c(this, "_openIfActive", "_onWhitespaceChanged");
+ this.input.bind().onSync("focused", onFocused, this).onSync("blurred", onBlurred, this).onSync("enterKeyed", onEnterKeyed, this).onSync("tabKeyed", onTabKeyed, this).onSync("escKeyed", onEscKeyed, this).onSync("upKeyed", onUpKeyed, this).onSync("downKeyed", onDownKeyed, this).onSync("leftKeyed", onLeftKeyed, this).onSync("rightKeyed", onRightKeyed, this).onSync("queryChanged", onQueryChanged, this).onSync("whitespaceChanged", onWhitespaceChanged, this).onSync("langDirChanged", this._onLangDirChanged, this);
+ }
+ _.mixin(Typeahead.prototype, {
+ _hacks: function hacks() {
+ var $input, $menu;
+ $input = this.input.$input || $("
");
+ $menu = this.menu.$node || $("
");
+ $input.on("blur.tt", function($e) {
+ var active, isActive, hasActive;
+ active = document.activeElement;
+ isActive = $menu.is(active);
+ hasActive = $menu.has(active).length > 0;
+ if (_.isMsie() && (isActive || hasActive)) {
+ $e.preventDefault();
+ $e.stopImmediatePropagation();
+ _.defer(function() {
+ $input.focus();
+ });
+ }
+ });
+ $menu.on("mousedown.tt", function($e) {
+ $e.preventDefault();
+ });
+ },
+ _onSelectableClicked: function onSelectableClicked(type, $el) {
+ this.select($el);
+ },
+ _onDatasetCleared: function onDatasetCleared() {
+ this._updateHint();
+ },
+ _onDatasetRendered: function onDatasetRendered(type, dataset, suggestions, async) {
+ this._updateHint();
+ this.eventBus.trigger("render", suggestions, async, dataset);
+ },
+ _onAsyncRequested: function onAsyncRequested(type, dataset, query) {
+ this.eventBus.trigger("asyncrequest", query, dataset);
+ },
+ _onAsyncCanceled: function onAsyncCanceled(type, dataset, query) {
+ this.eventBus.trigger("asynccancel", query, dataset);
+ },
+ _onAsyncReceived: function onAsyncReceived(type, dataset, query) {
+ this.eventBus.trigger("asyncreceive", query, dataset);
+ },
+ _onFocused: function onFocused() {
+ this._minLengthMet() && this.menu.update(this.input.getQuery());
+ },
+ _onBlurred: function onBlurred() {
+ if (this.input.hasQueryChangedSinceLastFocus()) {
+ this.eventBus.trigger("change", this.input.getQuery());
+ }
+ },
+ _onEnterKeyed: function onEnterKeyed(type, $e) {
+ var $selectable;
+ if ($selectable = this.menu.getActiveSelectable()) {
+ this.select($selectable) && $e.preventDefault();
+ }
+ },
+ _onTabKeyed: function onTabKeyed(type, $e) {
+ var $selectable;
+ if ($selectable = this.menu.getActiveSelectable()) {
+ this.select($selectable) && $e.preventDefault();
+ } else if ($selectable = this.menu.getTopSelectable()) {
+ this.autocomplete($selectable) && $e.preventDefault();
+ }
+ },
+ _onEscKeyed: function onEscKeyed() {
+ this.close();
+ },
+ _onUpKeyed: function onUpKeyed() {
+ this.moveCursor(-1);
+ },
+ _onDownKeyed: function onDownKeyed() {
+ this.moveCursor(+1);
+ },
+ _onLeftKeyed: function onLeftKeyed() {
+ if (this.dir === "rtl" && this.input.isCursorAtEnd()) {
+ this.autocomplete(this.menu.getTopSelectable());
+ }
+ },
+ _onRightKeyed: function onRightKeyed() {
+ if (this.dir === "ltr" && this.input.isCursorAtEnd()) {
+ this.autocomplete(this.menu.getTopSelectable());
+ }
+ },
+ _onQueryChanged: function onQueryChanged(e, query) {
+ this._minLengthMet(query) ? this.menu.update(query) : this.menu.empty();
+ },
+ _onWhitespaceChanged: function onWhitespaceChanged() {
+ this._updateHint();
+ },
+ _onLangDirChanged: function onLangDirChanged(e, dir) {
+ if (this.dir !== dir) {
+ this.dir = dir;
+ this.menu.setLanguageDirection(dir);
+ }
+ },
+ _openIfActive: function openIfActive() {
+ this.isActive() && this.open();
+ },
+ _minLengthMet: function minLengthMet(query) {
+ query = _.isString(query) ? query : this.input.getQuery() || "";
+ return query.length >= this.minLength;
+ },
+ _updateHint: function updateHint() {
+ var $selectable, data, val, query, escapedQuery, frontMatchRegEx, match;
+ $selectable = this.menu.getTopSelectable();
+ data = this.menu.getSelectableData($selectable);
+ val = this.input.getInputValue();
+ if (data && !_.isBlankString(val) && !this.input.hasOverflow()) {
+ query = Input.normalizeQuery(val);
+ escapedQuery = _.escapeRegExChars(query);
+ frontMatchRegEx = new RegExp("^(?:" + escapedQuery + ")(.+$)", "i");
+ match = frontMatchRegEx.exec(data.val);
+ match && this.input.setHint(val + match[1]);
+ } else {
+ this.input.clearHint();
+ }
+ },
+ isEnabled: function isEnabled() {
+ return this.enabled;
+ },
+ enable: function enable() {
+ this.enabled = true;
+ },
+ disable: function disable() {
+ this.enabled = false;
+ },
+ isActive: function isActive() {
+ return this.active;
+ },
+ activate: function activate() {
+ if (this.isActive()) {
+ return true;
+ } else if (!this.isEnabled() || this.eventBus.before("active")) {
+ return false;
+ } else {
+ this.active = true;
+ this.eventBus.trigger("active");
+ return true;
+ }
+ },
+ deactivate: function deactivate() {
+ if (!this.isActive()) {
+ return true;
+ } else if (this.eventBus.before("idle")) {
+ return false;
+ } else {
+ this.active = false;
+ this.close();
+ this.eventBus.trigger("idle");
+ return true;
+ }
+ },
+ isOpen: function isOpen() {
+ return this.menu.isOpen();
+ },
+ open: function open() {
+ if (!this.isOpen() && !this.eventBus.before("open")) {
+ this.menu.open();
+ this._updateHint();
+ this.eventBus.trigger("open");
+ }
+ return this.isOpen();
+ },
+ close: function close() {
+ if (this.isOpen() && !this.eventBus.before("close")) {
+ this.menu.close();
+ this.input.clearHint();
+ this.input.resetInputValue();
+ this.eventBus.trigger("close");
+ }
+ return !this.isOpen();
+ },
+ setVal: function setVal(val) {
+ this.input.setQuery(_.toStr(val));
+ },
+ getVal: function getVal() {
+ return this.input.getQuery();
+ },
+ select: function select($selectable) {
+ var data = this.menu.getSelectableData($selectable);
+ if (data && !this.eventBus.before("select", data.obj)) {
+ this.input.setQuery(data.val, true);
+ this.eventBus.trigger("select", data.obj);
+ this.close();
+ return true;
+ }
+ return false;
+ },
+ autocomplete: function autocomplete($selectable) {
+ var query, data, isValid;
+ query = this.input.getQuery();
+ data = this.menu.getSelectableData($selectable);
+ isValid = data && query !== data.val;
+ if (isValid && !this.eventBus.before("autocomplete", data.obj)) {
+ this.input.setQuery(data.val);
+ this.eventBus.trigger("autocomplete", data.obj);
+ return true;
+ }
+ return false;
+ },
+ moveCursor: function moveCursor(delta) {
+ var query, $candidate, data, payload, cancelMove;
+ query = this.input.getQuery();
+ $candidate = this.menu.selectableRelativeToCursor(delta);
+ data = this.menu.getSelectableData($candidate);
+ payload = data ? data.obj : null;
+ cancelMove = this._minLengthMet() && this.menu.update(query);
+ if (!cancelMove && !this.eventBus.before("cursorchange", payload)) {
+ this.menu.setCursor($candidate);
+ if (data) {
+ this.input.setInputValue(data.val);
+ } else {
+ this.input.resetInputValue();
+ this._updateHint();
+ }
+ this.eventBus.trigger("cursorchange", payload);
+ return true;
+ }
+ return false;
+ },
+ destroy: function destroy() {
+ this.input.destroy();
+ this.menu.destroy();
+ }
+ });
+ return Typeahead;
+ function c(ctx) {
+ var methods = [].slice.call(arguments, 1);
+ return function() {
+ var args = [].slice.call(arguments);
+ _.each(methods, function(method) {
+ return ctx[method].apply(ctx, args);
+ });
+ };
+ }
+ }();
+ (function() {
+ "use strict";
+ var old, keys, methods;
+ old = $.fn.typeahead;
+ keys = {
+ www: "tt-www",
+ attrs: "tt-attrs",
+ typeahead: "tt-typeahead"
+ };
+ methods = {
+ initialize: function initialize(o, datasets) {
+ var www;
+ datasets = _.isArray(datasets) ? datasets : [].slice.call(arguments, 1);
+ o = o || {};
+ www = WWW(o.classNames);
+ return this.each(attach);
+ function attach() {
+ var $input, $wrapper, $hint, $menu, defaultHint, defaultMenu, eventBus, input, menu, typeahead, MenuConstructor;
+ _.each(datasets, function(d) {
+ d.highlight = !!o.highlight;
+ });
+ $input = $(this);
+ $wrapper = $(www.html.wrapper);
+ $hint = $elOrNull(o.hint);
+ $menu = $elOrNull(o.menu);
+ defaultHint = o.hint !== false && !$hint;
+ defaultMenu = o.menu !== false && !$menu;
+ defaultHint && ($hint = buildHintFromInput($input, www));
+ defaultMenu && ($menu = $(www.html.menu).css(www.css.menu));
+ $hint && $hint.val("");
+ $input = prepInput($input, www);
+ if (defaultHint || defaultMenu) {
+ $wrapper.css(www.css.wrapper);
+ $input.css(defaultHint ? www.css.input : www.css.inputWithNoHint);
+ $input.wrap($wrapper).parent().prepend(defaultHint ? $hint : null).append(defaultMenu ? $menu : null);
+ }
+ MenuConstructor = defaultMenu ? DefaultMenu : Menu;
+ eventBus = new EventBus({
+ el: $input
+ });
+ input = new Input({
+ hint: $hint,
+ input: $input
+ }, www);
+ menu = new MenuConstructor({
+ node: $menu,
+ datasets: datasets
+ }, www);
+ typeahead = new Typeahead({
+ input: input,
+ menu: menu,
+ eventBus: eventBus,
+ minLength: o.minLength
+ }, www);
+ $input.data(keys.www, www);
+ $input.data(keys.typeahead, typeahead);
+ }
+ },
+ isEnabled: function isEnabled() {
+ var enabled;
+ ttEach(this.first(), function(t) {
+ enabled = t.isEnabled();
+ });
+ return enabled;
+ },
+ enable: function enable() {
+ ttEach(this, function(t) {
+ t.enable();
+ });
+ return this;
+ },
+ disable: function disable() {
+ ttEach(this, function(t) {
+ t.disable();
+ });
+ return this;
+ },
+ isActive: function isActive() {
+ var active;
+ ttEach(this.first(), function(t) {
+ active = t.isActive();
+ });
+ return active;
+ },
+ activate: function activate() {
+ ttEach(this, function(t) {
+ t.activate();
+ });
+ return this;
+ },
+ deactivate: function deactivate() {
+ ttEach(this, function(t) {
+ t.deactivate();
+ });
+ return this;
+ },
+ isOpen: function isOpen() {
+ var open;
+ ttEach(this.first(), function(t) {
+ open = t.isOpen();
+ });
+ return open;
+ },
+ open: function open() {
+ ttEach(this, function(t) {
+ t.open();
+ });
+ return this;
+ },
+ close: function close() {
+ ttEach(this, function(t) {
+ t.close();
+ });
+ return this;
+ },
+ select: function select(el) {
+ var success = false, $el = $(el);
+ ttEach(this.first(), function(t) {
+ success = t.select($el);
+ });
+ return success;
+ },
+ autocomplete: function autocomplete(el) {
+ var success = false, $el = $(el);
+ ttEach(this.first(), function(t) {
+ success = t.autocomplete($el);
+ });
+ return success;
+ },
+ moveCursor: function moveCursoe(delta) {
+ var success = false;
+ ttEach(this.first(), function(t) {
+ success = t.moveCursor(delta);
+ });
+ return success;
+ },
+ val: function val(newVal) {
+ var query;
+ if (!arguments.length) {
+ ttEach(this.first(), function(t) {
+ query = t.getVal();
+ });
+ return query;
+ } else {
+ ttEach(this, function(t) {
+ t.setVal(newVal);
+ });
+ return this;
+ }
+ },
+ destroy: function destroy() {
+ ttEach(this, function(typeahead, $input) {
+ revert($input);
+ typeahead.destroy();
+ });
+ return this;
+ }
+ };
+ $.fn.typeahead = function(method) {
+ if (methods[method]) {
+ return methods[method].apply(this, [].slice.call(arguments, 1));
+ } else {
+ return methods.initialize.apply(this, arguments);
+ }
+ };
+ $.fn.typeahead.noConflict = function noConflict() {
+ $.fn.typeahead = old;
+ return this;
+ };
+ function ttEach($els, fn) {
+ $els.each(function() {
+ var $input = $(this), typeahead;
+ (typeahead = $input.data(keys.typeahead)) && fn(typeahead, $input);
+ });
+ }
+ function buildHintFromInput($input, www) {
+ return $input.clone().addClass(www.classes.hint).removeData().css(www.css.hint).css(getBackgroundStyles($input)).prop("readonly", true).removeAttr("id name placeholder required").attr({
+ autocomplete: "off",
+ spellcheck: "false",
+ tabindex: -1
+ });
+ }
+ function prepInput($input, www) {
+ $input.data(keys.attrs, {
+ dir: $input.attr("dir"),
+ autocomplete: $input.attr("autocomplete"),
+ spellcheck: $input.attr("spellcheck"),
+ style: $input.attr("style")
+ });
+ $input.addClass(www.classes.input).attr({
+ autocomplete: "off",
+ spellcheck: false
+ });
+ try {
+ !$input.attr("dir") && $input.attr("dir", "auto");
+ } catch (e) {}
+ return $input;
+ }
+ function getBackgroundStyles($el) {
+ return {
+ backgroundAttachment: $el.css("background-attachment"),
+ backgroundClip: $el.css("background-clip"),
+ backgroundColor: $el.css("background-color"),
+ backgroundImage: $el.css("background-image"),
+ backgroundOrigin: $el.css("background-origin"),
+ backgroundPosition: $el.css("background-position"),
+ backgroundRepeat: $el.css("background-repeat"),
+ backgroundSize: $el.css("background-size")
+ };
+ }
+ function revert($input) {
+ var www, $wrapper;
+ www = $input.data(keys.www);
+ $wrapper = $input.parent().filter(www.selectors.wrapper);
+ _.each($input.data(keys.attrs), function(val, key) {
+ _.isUndefined(val) ? $input.removeAttr(key) : $input.attr(key, val);
+ });
+ $input.removeData(keys.typeahead).removeData(keys.www).removeData(keys.attr).removeClass(www.classes.input);
+ if ($wrapper.length) {
+ $input.detach().insertAfter($wrapper);
+ $wrapper.remove();
+ }
+ }
+ function $elOrNull(obj) {
+ var isValid, $el;
+ isValid = _.isJQuery(obj) || _.isElement(obj);
+ $el = isValid ? $(obj).first() : [];
+ return $el.length ? $el : null;
+ }
+ })();
+});
\ No newline at end of file