'
};
}
function buildSelectors(classes) {
var selectors = {};
_.each(classes,function(v,k) {
selectors[k] = "." + v;
});
return selectors;
}
function buildCss() {
var css = {
wrapper: {
position: "relative",display: "inline-block"
},hint: {
position: "absolute",top: "0",left: "0",borderColor: "transparent",BoxShadow: "none",opacity: "1"
},input: {
position: "relative",verticalAlign: "top",backgroundColor: "transparent"
},inputWithNoHint: {
position: "relative",verticalAlign: "top"
},menu: {
position: "absolute",top: "100%",zIndex: "100",display: "none"
},ltr: {
left: "0",right: "auto"
},rtl: {
left: "auto",right: " 0"
}
};
if (_.isMsie()) {
_.mixin(css.input,{
backgroundImage: "url(data:image/gif;base64,R0lGODlhAQABAIAAAAAAAP///yH5BAEAAAAALAAAAAABAAEAAAIBRAA7)"
});
}
return css;
}
}();
var EventBus = function() {
"use strict";
var namespace,deprecationMap;
namespace = "typeahead:";
deprecationMap = {
render: "rendered",cursorchange: "cursorchanged",select: "selected",autocomplete: "autocompleted"
};
function EventBus(o) {
if (!o || !o.el) {
$.error("EventBus initialized without el");
}
this.$el = $(o.el);
}
_.mixin(EventBus.prototype,{
_trigger: function(type,args) {
var $e;
$e = $.Event(namespace + type);
(args = args || []).unshift($e);
this.$el.trigger.apply(this.$el,args);
return $e;
},before: function(type) {
var args,$e;
args = [].slice.call(arguments,1);
$e = this._trigger("before" + type,args);
return $e.isDefaultPrevented();
},trigger: function(type) {
var deprecatedType;
this._trigger(type,[].slice.call(arguments,1));
if (deprecatedType = deprecationMap[type]) {
this._trigger(deprecatedType,1));
}
}
});
return EventBus;
}();
var EventEmitter = function() {
"use strict";
var splitter = /\s+/,nextTick = getNextTick();
return {
onSync: onSync,onAsync: onAsync,off: off,trigger: trigger
};
function on(method,types,cb,context) {
var type;
if (!cb) {
return this;
}
types = types.split(splitter);
cb = context ? bindContext(cb,context) : cb;
this._callbacks = this._callbacks || {};
while (type = types.shift()) {
this._callbacks[type] = this._callbacks[type] || {
sync: [],async: []
};
this._callbacks[type][method].push(cb);
}
return this;
}
function onAsync(types,context) {
return on.call(this,"async",context);
}
function onSync(types,"sync",context);
}
function off(types) {
var type;
if (!this._callbacks) {
return this;
}
types = types.split(splitter);
while (type = types.shift()) {
delete this._callbacks[type];
}
return this;
}
function trigger(types) {
var type,callbacks,syncFlush,asyncFlush;
if (!this._callbacks) {
return this;
}
types = types.split(splitter);
args = [].slice.call(arguments,1);
while ((type = types.shift()) && (callbacks = this._callbacks[type])) {
syncFlush = getFlush(callbacks.sync,this,[ type ].concat(args));
asyncFlush = getFlush(callbacks.async,[ type ].concat(args));
syncFlush() && nextTick(asyncFlush);
}
return this;
}
function getFlush(callbacks,context,args) {
return flush;
function flush() {
var cancelled;
for (var i = 0,len = callbacks.length; !cancelled && i < len; i += 1) {
cancelled = callbacks[i].apply(context,args) === false;
}
return !cancelled;
}
}
function getNextTick() {
var nextTickFn;
if (window.setImmediate) {
nextTickFn = function nextTickSetImmediate(fn) {
setImmediate(function() {
fn();
});
};
} else {
nextTickFn = function nextTickSetTimeout(fn) {
setTimeout(function() {
fn();
},0);
};
}
return nextTickFn;
}
function bindContext(fn,context) {
return fn.bind ? fn.bind(context) : function() {
fn.apply(context,0));
};
}
}();
var highlight = function(doc) {
"use strict";
var defaults = {
node: null,pattern: null,tagName: "h3",className: null,wordsOnly: false,caseSensitive: false
};
return function hightlight(o) {
var regex;
o = _.mixin({},defaults,o);
if (!o.node || !o.pattern) {
return;
}
o.pattern = _.isArray(o.pattern) ? o.pattern : [ o.pattern ];
regex = getRegex(o.pattern,o.caseSensitive,o.wordsOnly);
traverse(o.node,hightlightTextNode);
function hightlightTextNode(textNode) {
var match,patternNode,wrapperNode;
if (match = regex.exec(textNode.data)) {
wrapperNode = doc.createElement(o.tagName);
o.className && (wrapperNode.className = o.className);
patternNode = textNode.splitText(match.index);
patternNode.splitText(match[0].length);
wrapperNode.appendChild(patternNode.cloneNode(true));
textNode.parentNode.replaceChild(wrapperNode,patternNode);
}
return !!match;
}
function traverse(el,hightlightTextNode) {
var childNode,TEXT_NODE_TYPE = 3;
for (var i = 0; i < el.childNodes.length; i++) {
childNode = el.childNodes[i];
if (childNode.nodeType === TEXT_NODE_TYPE) {
i += hightlightTextNode(childNode) ? 1 : 0;
} else {
traverse(childNode,hightlightTextNode);
}
}
}
};
function getRegex(patterns,caseSensitive,wordsOnly) {
var escapedPatterns = [],regexStr;
for (var i = 0,len = patterns.length; i < len; i++) {
escapedPatterns.push(_.escapeRegExChars(patterns[i]));
}
regexStr = wordsOnly ? "\\b(" + escapedPatterns.join("|") + ")\\b" : "(" + escapedPatterns.join("|") + ")";
return caseSensitive ? new RegExp(regexStr) : new RegExp(regexStr,"i");
}
}(window.document);
var Input = function() {
"use strict";
var specialKeyCodeMap;
specialKeyCodeMap = {
9: "tab",27: "esc",37: "left",39: "right",13: "enter",38: "up",40: "down"
};
function Input(o,www) {
o = o || {};
if (!o.input) {
$.error("input is missing");
}
www.mixin(this);
this.$hint = $(o.hint);
this.$input = $(o.input);
this.query = this.$input.val();
this.queryWhenFocused = this.hasFocus() ? this.query : null;
this.$overflowHelper = buildOverflowHelper(this.$input);
this._checkLanguageDirection();
if (this.$hint.length === 0) {
this.setHint = this.getHint = this.clearHint = this.clearHintIfInvalid = _.noop;
}
}
Input.normalizeQuery = function(str) {
return _.toStr(str).replace(/^\s*/g,"").replace(/\s{2,}/g," ");
};
_.mixin(Input.prototype,EventEmitter,{
_onBlur: function onBlur() {
this.resetInputValue();
this.trigger("blurred");
},_onFocus: function onFocus() {
this.queryWhenFocused = this.query;
this.trigger("focused");
},_onKeydown: function onKeydown($e) {
var keyName = specialKeyCodeMap[$e.which || $e.keyCode];
this._managePreventDefault(keyName,$e);
if (keyName && this._shouldTrigger(keyName,$e)) {
this.trigger(keyName + "Keyed",$e);
}
},_onInput: function onInput() {
this._setQuery(this.getInputValue());
this.clearHintIfInvalid();
this._checkLanguageDirection();
},_managePreventDefault: function managePreventDefault(keyName,$e) {
var preventDefault;
switch (keyName) {
case "up":
case "down":
preventDefault = !withModifier($e);
break;
default:
preventDefault = false;
}
preventDefault && $e.preventDefault();
},_shouldTrigger: function shouldTrigger(keyName,$e) {
var trigger;
switch (keyName) {
case "tab":
trigger = !withModifier($e);
break;
default:
trigger = true;
}
return trigger;
},_checkLanguageDirection: function checkLanguageDirection() {
var dir = (this.$input.css("direction") || "ltr").toLowerCase();
if (this.dir !== dir) {
this.dir = dir;
this.$hint.attr("dir",dir);
this.trigger("langDirChanged",dir);
}
},_setQuery: function setQuery(val,silent) {
var areEquivalent,hasDifferentWhitespace;
areEquivalent = areQueriesEquivalent(val,this.query);
hasDifferentWhitespace = areEquivalent ? this.query.length !== val.length : false;
this.query = val;
if (!silent && !areEquivalent) {
this.trigger("queryChanged",this.query);
} else if (!silent && hasDifferentWhitespace) {
this.trigger("whitespaceChanged",this.query);
}
},bind: function() {
var that = this,onBlur,onFocus,onKeydown,onInput;
onBlur = _.bind(this._onBlur,this);
onFocus = _.bind(this._onFocus,this);
onKeydown = _.bind(this._onKeydown,this);
onInput = _.bind(this._onInput,this);
this.$input.on("blur.tt",onBlur).on("focus.tt",onFocus).on("keydown.tt",onKeydown);
if (!_.isMsie() || _.isMsie() > 9) {
this.$input.on("input.tt",onInput);
} else {
this.$input.on("keydown.tt keypress.tt cut.tt paste.tt",function($e) {
if (specialKeyCodeMap[$e.which || $e.keyCode]) {
return;
}
_.defer(_.bind(that._onInput,that,$e));
});
}
return this;
},focus: function focus() {
this.$input.focus();
},blur: function blur() {
this.$input.blur();
},getLangDir: function getLangDir() {
return this.dir;
},getQuery: function getQuery() {
return this.query || "";
},setQuery: function setQuery(val,silent) {
this.setInputValue(val);
this._setQuery(val,silent);
},hasQueryChangedSinceLastFocus: function hasQueryChangedSinceLastFocus() {
return this.query !== this.queryWhenFocused;
},getInputValue: function getInputValue() {
return this.$input.val();
},setInputValue: function setInputValue(value) {
this.$input.val(value);
this.clearHintIfInvalid();
this._checkLanguageDirection();
},resetInputValue: function resetInputValue() {
this.setInputValue(this.query);
},getHint: function getHint() {
return this.$hint.val();
},setHint: function setHint(value) {
this.$hint.val(value);
},clearHint: function clearHint() {
this.setHint("");
},clearHintIfInvalid: function clearHintIfInvalid() {
var val,hint,valIsPrefixOfHint,isValid;
val = this.getInputValue();
hint = this.getHint();
valIsPrefixOfHint = val !== hint && hint.indexOf(val) === 0;
isValid = val !== "" && valIsPrefixOfHint && !this.hasOverflow();
!isValid && this.clearHint();
},hasFocus: function hasFocus() {
return this.$input.is(":focus");
},hasOverflow: function hasOverflow() {
var constraint = this.$input.width() - 2;
this.$overflowHelper.text(this.getInputValue());
return this.$overflowHelper.width() >= constraint;
},isCursorAtEnd: function() {
var valueLength,selectionStart,range;
valueLength = this.$input.val().length;
selectionStart = this.$input[0].selectionStart;
if (_.isNumber(selectionStart)) {
return selectionStart === valueLength;
} else if (document.selection) {
range = document.selection.createrange();
range.moveStart("character",-valueLength);
return valueLength === range.text.length;
}
return true;
},destroy: function destroy() {
this.$hint.off(".tt");
this.$input.off(".tt");
this.$overflowHelper.remove();
this.$hint = this.$input = this.$overflowHelper = $("
");
}
});
return Input;
function buildOverflowHelper($input) {
return $('
').css({
position: "absolute",visibility: "hidden",whiteSpace: "pre",fontFamily: $input.css("font-family"),fontSize: $input.css("font-size"),fontStyle: $input.css("font-style"),fontvariant: $input.css("font-variant"),fontWeight: $input.css("font-weight"),wordSpacing: $input.css("word-spacing"),letterSpacing: $input.css("letter-spacing"),textIndent: $input.css("text-indent"),textRendering: $input.css("text-rendering"),textTransform: $input.css("text-transform")
}).insertAfter($input);
}
function areQueriesEquivalent(a,b) {
return Input.normalizeQuery(a) === Input.normalizeQuery(b);
}
function withModifier($e) {
return $e.altKey || $e.ctrlKey || $e.MetaKey || $e.shiftKey;
}
}();
var Dataset = function() {
"use strict";
var keys,nameGenerator;
keys = {
val: "tt-selectable-display",obj: "tt-selectable-object"
};
nameGenerator = _.getIdGenerator();
function Dataset(o,www) {
o = o || {};
o.templates = o.templates || {};
o.templates.notFound = o.templates.notFound || o.templates.empty;
if (!o.source) {
$.error("missing source");
}
if (!o.node) {
$.error("missing node");
}
if (o.name && !isValidName(o.name)) {
$.error("invalid dataset name: " + o.name);
}
www.mixin(this);
this.highlight = !!o.highlight;
this.name = o.name || nameGenerator();
this.limit = o.limit || 5;
this.displayFn = getdisplayFn(o.display || o.displayKey);
this.templates = getTemplates(o.templates,this.displayFn);
this.source = o.source.__ttAdapter ? o.source.__ttAdapter() : o.source;
this.async = _.isUndefined(o.async) ? this.source.length > 2 : !!o.async;
this._resetLastSuggestion();
this.$el = $(o.node).addClass(this.classes.dataset).addClass(this.classes.dataset + "-" + this.name);
}
Dataset.extractData = function extractData(el) {
var $el = $(el);
if ($el.data(keys.obj)) {
return {
val: $el.data(keys.val) || "",obj: $el.data(keys.obj) || null
};
}
return null;
};
_.mixin(Dataset.prototype,{
_overwrite: function overwrite(query,suggestions) {
suggestions = suggestions || [];
if (suggestions.length) {
this._renderSuggestions(query,suggestions);
} else if (this.async && this.templates.pending) {
this._renderPending(query);
} else if (!this.async && this.templates.notFound) {
this._renderNotFound(query);
} else {
this._empty();
}
this.trigger("rendered",this.name,suggestions,false);
},_append: function append(query,suggestions) {
suggestions = suggestions || [];
if (suggestions.length && this.$lastSuggestion.length) {
this._appendSuggestions(query,suggestions);
} else if (suggestions.length) {
this._renderSuggestions(query,suggestions);
} else if (!this.$lastSuggestion.length && this.templates.notFound) {
this._renderNotFound(query);
}
this.trigger("rendered",true);
},_renderSuggestions: function renderSuggestions(query,suggestions) {
var $fragment;
$fragment = this._getSuggestionsFragment(query,suggestions);
this.$lastSuggestion = $fragment.children().last();
this.$el.html($fragment).prepend(this._getHeader(query,suggestions)).append(this._getFooter(query,suggestions));
},_appendSuggestions: function appendSuggestions(query,suggestions) {
var $fragment,$lastSuggestion;
$fragment = this._getSuggestionsFragment(query,suggestions);
$lastSuggestion = $fragment.children().last();
this.$lastSuggestion.after($fragment);
this.$lastSuggestion = $lastSuggestion;
},_renderPending: function renderPending(query) {
var template = this.templates.pending;
this._resetLastSuggestion();
template && this.$el.html(template({
query: query,dataset: this.name
}));
},_renderNotFound: function renderNotFound(query) {
var template = this.templates.notFound;
this._resetLastSuggestion();
template && this.$el.html(template({
query: query,_empty: function empty() {
this.$el.empty();
this._resetLastSuggestion();
},_getSuggestionsFragment: function getSuggestionsFragment(query,suggestions) {
var that = this,fragment;
fragment = document.createDocumentFragment();
_.each(suggestions,function getSuggestionNode(suggestion) {
var $el,context;
context = that._injectQuery(query,suggestion);
$el = $(that.templates.suggestion(context)).data(keys.obj,suggestion).data(keys.val,that.displayFn(suggestion)).addClass(that.classes.suggestion + " " + that.classes.selectable);
fragment.appendChild($el[0]);
});
this.highlight && highlight({
className: this.classes.highlight,node: fragment,pattern: query
});
return $(fragment);
},_getFooter: function getFooter(query,suggestions) {
return this.templates.footer ? this.templates.footer({
query: query,suggestions: suggestions,dataset: this.name
}) : null;
},_getHeader: function getHeader(query,suggestions) {
return this.templates.header ? this.templates.header({
query: query,_resetLastSuggestion: function resetLastSuggestion() {
this.$lastSuggestion = $();
},_injectQuery: function injectQuery(query,obj) {
return _.isObject(obj) ? _.mixin({
_query: query
},obj) : obj;
},update: function update(query) {
var that = this,canceled = false,syncCalled = false,rendered = 0;
this.cancel();
this.cancel = function cancel() {
canceled = true;
that.cancel = $.noop;
that.async && that.trigger("asyncCanceled",query);
};
this.source(query,async);
!syncCalled && sync([]);
function sync(suggestions) {
if (syncCalled) {
return;
}
syncCalled = true;
suggestions = (suggestions || []).slice(0,that.limit);
rendered = suggestions.length;
that._overwrite(query,suggestions);
if (rendered < that.limit && that.async) {
that.trigger("asyncRequested",query);
}
}
function async(suggestions) {
suggestions = suggestions || [];
if (!canceled && rendered < that.limit) {
that.cancel = $.noop;
rendered += suggestions.length;
that._append(query,suggestions.slice(0,that.limit - rendered));
that.async && that.trigger("asyncReceived",query);
}
}
},cancel: $.noop,clear: function clear() {
this._empty();
this.cancel();
this.trigger("cleared");
},isEmpty: function isEmpty() {
return this.$el.is(":empty");
},destroy: function destroy() {
this.$el = $("");
}
});
return Dataset;
function getdisplayFn(display) {
display = display || _.stringify;
return _.isFunction(display) ? display : displayFn;
function displayFn(obj) {
return obj[display];
}
}
function getTemplates(templates,displayFn) {
return {
notFound: templates.notFound && _.templatify(templates.notFound),pending: templates.pending && _.templatify(templates.pending),header: templates.header && _.templatify(templates.header),footer: templates.footer && _.templatify(templates.footer),suggestion: templates.suggestion || suggestionTemplate
};
function suggestionTemplate(context) {
return $("
").text(displayFn(context));
}
}
function isValidName(str) {
return /^[_a-zA-Z0-9-]+$/.test(str);
}
}();
var Menu = function() {
"use strict";
function Menu(o,www) {
var that = this;
o = o || {};
if (!o.node) {
$.error("node is required");
}
www.mixin(this);
this.$node = $(o.node);
this.query = null;
this.datasets = _.map(o.datasets,initializeDataset);
function initializeDataset(oDataset) {
var node = that.$node.find(oDataset.node).first();
oDataset.node = node.length ? node : $("
").appendTo(that.$node);
return new Dataset(oDataset,www);
}
}
_.mixin(Menu.prototype,{
_onSelectableClick: function onSelectableClick($e) {
this.trigger("selectableClicked",$($e.currentTarget));
},_onRendered: function onRendered(type,dataset,async) {
this.$node.toggleClass(this.classes.empty,this._allDatasetsEmpty());
this.trigger("datasetRendered",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.$node.scrollTop(nodeScrollTop + (elBottom - nodeHeight));
}
},onSelectableClick;
onSelectableClick = _.bind(this._onSelectableClick,this);
this.$node.on("click.tt",this.selectors.selectable,onSelectableClick);
_.each(this.datasets,function(dataset) {
dataset.onSync("asyncRequested",that._propagate,that).onSync("asyncCanceled",that).onSync("asyncReceived",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 = $("
");
_.each(this.datasets,destroyDataset);
function destroyDataset(dataset) {
dataset.destroy();
}
}
});
return Menu;
}();
var DefaultMenu = function() {
"use strict";
var s = Menu.prototype;
function DefaultMenu() {
Menu.apply(this,0));
}
_.mixin(DefaultMenu.prototype,Menu.prototype,{
open: function open() {
!this._allDatasetsEmpty() && this._show();
return s.open.apply(this,0));
},close: function close() {
this._hide();
return s.close.apply(this,_onRendered: function onRendered() {
if (this._allDatasetsEmpty()) {
this._hide();
} else {
this.isopen() && this._show();
}
return s._onRendered.apply(this,_onCleared: function onCleared() {
if (this._allDatasetsEmpty()) {
this._hide();
} else {
this.isopen() && this._show();
}
return s._onCleared.apply(this,setLanguageDirection: function setLanguageDirection(dir) {
this.$node.css(dir === "ltr" ? this.css.ltr : this.css.rtl);
return s.setLanguageDirection.apply(this,_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,"_onTabKeyed");
onescKeyed = c(this,"_onescKeyed");
onUpKeyed = c(this,"_onUpKeyed");
onDownKeyed = c(this,"_onDownKeyed");
onLeftKeyed = c(this,"_onLeftKeyed");
onRightKeyed = c(this,"_onRightKeyed");
onQueryChanged = c(this,"_openIfActive","_onQueryChanged");
onWhitespaceChanged = c(this,"_onWhitespaceChanged");
this.input.bind().onSync("focused",onFocused,this).onSync("blurred",this).onSync("enterKeyed",this).onSync("tabKeyed",this).onSync("escKeyed",this).onSync("upKeyed",this).onSync("downKeyed",this).onSync("leftKeyed",this).onSync("rightKeyed",this).onSync("queryChanged",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($el);
},_onDatasetCleared: function onDatasetCleared() {
this._updateHint();
},_onDatasetRendered: function onDatasetRendered(type,async) {
this._updateHint();
this.eventBus.trigger("render",async,dataset);
},_onAsyncRequested: function onAsyncRequested(type,query) {
this.eventBus.trigger("asyncrequest",query,_onAsyncCanceled: function onAsyncCanceled(type,query) {
this.eventBus.trigger("asynccancel",_onAsyncReceived: function onAsyncReceived(type,query) {
this.eventBus.trigger("asyncreceive",_onFocused: function onFocused() {
this._minLengthMet() && this.menu.update(this.input.getQuery());
},_onBlurred: function onBlurred() {
if (this.input.hasQueryChangedSinceLastFocus()) {
this.eventBus.trigger("change",this.input.getQuery());
}
},_onEnterKeyed: function onEnterKeyed(type,$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,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,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,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,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,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;
}
})();
});
rush:js;">
.typeahead,.tt-query,.tt-hint {
width: 396px;
height: 30px;
padding: 8px 12px;
font-size: 24px;
line-height: 30px;
border: 2px solid #ccc;
-webkit-border-radius: 8px;
-moz-border-radius: 8px;
border-radius: 8px;
outline: none;
}
.typeahead {
background-color: #fff;
}
.typeahead:focus {
border: 2px solid #0097cf;
}
.tt-query {
-webkit-Box-shadow: inset 0 1px 1px rgba(0,0.075);
-moz-Box-shadow: inset 0 1px 1px rgba(0,0.075);
Box-shadow: inset 0 1px 1px rgba(0,0.075);
}
.tt-hint {
color: #999
}
.tt-menu {
width: 422px;
margin: 12px 0;
padding: 8px 0;
background-color: #fff;
border: 1px solid #ccc;
border: 1px solid rgba(0,0.2);
-webkit-border-radius: 8px;
-moz-border-radius: 8px;
border-radius: 8px;
-webkit-Box-shadow: 0 5px 10px rgba(0,.2);
-moz-Box-shadow: 0 5px 10px rgba(0,.2);
Box-shadow: 0 5px 10px rgba(0,.2);
}
.tt-suggestion {
padding: 3px 20px;
font-size: 18px;
line-height: 24px;
}
.tt-suggestion:hover {
cursor: pointer;
color: #fff;
background-color: #0097cf;
}
.tt-suggestion.tt-cursor {
color: #fff;
background-color: #0097cf;
}
.tt-suggestion p {
margin: 0;
}
.gist {
font-size: 14px;
}
/* example specific styles */
/* ----------------------- */
#custom-templates .empty-message {
padding: 5px 10px;
text-align: center;
}
#multiple-datasets .league-name {
margin: 0 20px 5px 20px;
padding: 3px 0;
border-bottom: 1px solid #ccc;
}
#scrollable-dropdown-menu .tt-menu {
max-height: 150px;
overflow-y: auto;
}
#rtl-support .tt-menu {
text-align: right;
}
以上所述是小编给大家介绍的Bootstrap3使用typeahead插件实现自动补全功能。小编 jb51.cc 收集整理的教程希望能对你有所帮助,如果觉得小编不错,可分享给好友!感谢支持。