|
@@ -0,0 +1,1008 @@
|
|
|
+/**
|
|
|
+* Ajax Autocomplete for jQuery, version 1.4.11
|
|
|
+* (c) 2017 Tomas Kirda
|
|
|
+*
|
|
|
+* Ajax Autocomplete for jQuery is freely distributable under the terms of an MIT-style license.
|
|
|
+* For details, see the web site: https://github.com/devbridge/jQuery-Autocomplete
|
|
|
+*/
|
|
|
+
|
|
|
+/*jslint browser: true, white: true, single: true, this: true, multivar: true */
|
|
|
+/*global define, window, document, jQuery, exports, require */
|
|
|
+
|
|
|
+// Expose plugin as an AMD module if AMD loader is present:
|
|
|
+(function (factory) {
|
|
|
+ "use strict";
|
|
|
+ if (typeof define === 'function' && define.amd) {
|
|
|
+ // AMD. Register as an anonymous module.
|
|
|
+ define(['jquery'], factory);
|
|
|
+ } else if (typeof exports === 'object' && typeof require === 'function') {
|
|
|
+ // Browserify
|
|
|
+ factory(require('jquery'));
|
|
|
+ } else {
|
|
|
+ // Browser globals
|
|
|
+ factory(jQuery);
|
|
|
+ }
|
|
|
+}(function ($) {
|
|
|
+ 'use strict';
|
|
|
+
|
|
|
+ var
|
|
|
+ utils = (function () {
|
|
|
+ return {
|
|
|
+ escapeRegExChars: function (value) {
|
|
|
+ return value.replace(/[|\\{}()[\]^$+*?.]/g, "\\$&");
|
|
|
+ },
|
|
|
+ createNode: function (containerClass) {
|
|
|
+ var div = document.createElement('div');
|
|
|
+ div.className = containerClass;
|
|
|
+ div.style.position = 'absolute';
|
|
|
+ div.style.display = 'none';
|
|
|
+ return div;
|
|
|
+ }
|
|
|
+ };
|
|
|
+ }()),
|
|
|
+
|
|
|
+ keys = {
|
|
|
+ ESC: 27,
|
|
|
+ TAB: 9,
|
|
|
+ RETURN: 13,
|
|
|
+ LEFT: 37,
|
|
|
+ UP: 38,
|
|
|
+ RIGHT: 39,
|
|
|
+ DOWN: 40
|
|
|
+ },
|
|
|
+
|
|
|
+ noop = $.noop;
|
|
|
+
|
|
|
+ function Autocomplete(el, options) {
|
|
|
+ var that = this;
|
|
|
+
|
|
|
+ // Shared variables:
|
|
|
+ that.element = el;
|
|
|
+ that.el = $(el);
|
|
|
+ that.suggestions = [];
|
|
|
+ that.badQueries = [];
|
|
|
+ that.selectedIndex = -1;
|
|
|
+ that.currentValue = that.element.value;
|
|
|
+ that.timeoutId = null;
|
|
|
+ that.cachedResponse = {};
|
|
|
+ that.onChangeTimeout = null;
|
|
|
+ that.onChange = null;
|
|
|
+ that.isLocal = false;
|
|
|
+ that.suggestionsContainer = null;
|
|
|
+ that.noSuggestionsContainer = null;
|
|
|
+ that.options = $.extend(true, {}, Autocomplete.defaults, options);
|
|
|
+ that.classes = {
|
|
|
+ selected: 'autocomplete-selected',
|
|
|
+ suggestion: 'autocomplete-suggestion'
|
|
|
+ };
|
|
|
+ that.hint = null;
|
|
|
+ that.hintValue = '';
|
|
|
+ that.selection = null;
|
|
|
+
|
|
|
+ // Initialize and set options:
|
|
|
+ that.initialize();
|
|
|
+ that.setOptions(options);
|
|
|
+ }
|
|
|
+
|
|
|
+ Autocomplete.utils = utils;
|
|
|
+
|
|
|
+ $.Autocomplete = Autocomplete;
|
|
|
+
|
|
|
+ Autocomplete.defaults = {
|
|
|
+ ajaxSettings: {},
|
|
|
+ autoSelectFirst: false,
|
|
|
+ appendTo: 'body',
|
|
|
+ serviceUrl: null,
|
|
|
+ lookup: null,
|
|
|
+ onSelect: null,
|
|
|
+ width: 'auto',
|
|
|
+ minChars: 1,
|
|
|
+ maxHeight: 300,
|
|
|
+ deferRequestBy: 0,
|
|
|
+ params: {},
|
|
|
+ formatResult: _formatResult,
|
|
|
+ formatGroup: _formatGroup,
|
|
|
+ delimiter: null,
|
|
|
+ zIndex: 9999,
|
|
|
+ type: 'GET',
|
|
|
+ noCache: false,
|
|
|
+ onSearchStart: noop,
|
|
|
+ onSearchComplete: noop,
|
|
|
+ onSearchError: noop,
|
|
|
+ preserveInput: false,
|
|
|
+ containerClass: 'autocomplete-suggestions',
|
|
|
+ tabDisabled: false,
|
|
|
+ dataType: 'text',
|
|
|
+ currentRequest: null,
|
|
|
+ triggerSelectOnValidInput: true,
|
|
|
+ preventBadQueries: true,
|
|
|
+ lookupFilter: _lookupFilter,
|
|
|
+ paramName: 'query',
|
|
|
+ transformResult: _transformResult,
|
|
|
+ showNoSuggestionNotice: false,
|
|
|
+ noSuggestionNotice: 'No results',
|
|
|
+ orientation: 'bottom',
|
|
|
+ forceFixPosition: false
|
|
|
+ };
|
|
|
+
|
|
|
+ function _lookupFilter(suggestion, originalQuery, queryLowerCase) {
|
|
|
+ return suggestion.value.toLowerCase().indexOf(queryLowerCase) !== -1;
|
|
|
+ };
|
|
|
+
|
|
|
+ function _transformResult(response) {
|
|
|
+ return typeof response === 'string' ? $.parseJSON(response) : response;
|
|
|
+ };
|
|
|
+
|
|
|
+ function _formatResult(suggestion, currentValue) {
|
|
|
+ // Do not replace anything if the current value is empty
|
|
|
+ if (!currentValue) {
|
|
|
+ return suggestion.value;
|
|
|
+ }
|
|
|
+
|
|
|
+ var pattern = '(' + utils.escapeRegExChars(currentValue) + ')';
|
|
|
+
|
|
|
+ return suggestion.value
|
|
|
+ .replace(new RegExp(pattern, 'gi'), '<strong>$1<\/strong>')
|
|
|
+ .replace(/&/g, '&')
|
|
|
+ .replace(/</g, '<')
|
|
|
+ .replace(/>/g, '>')
|
|
|
+ .replace(/"/g, '"')
|
|
|
+ .replace(/<(\/?strong)>/g, '<$1>');
|
|
|
+ };
|
|
|
+
|
|
|
+ function _formatGroup(suggestion, category) {
|
|
|
+ return '<div class="autocomplete-group">' + category + '</div>';
|
|
|
+ };
|
|
|
+
|
|
|
+ Autocomplete.prototype = {
|
|
|
+
|
|
|
+ initialize: function () {
|
|
|
+ var that = this,
|
|
|
+ suggestionSelector = '.' + that.classes.suggestion,
|
|
|
+ selected = that.classes.selected,
|
|
|
+ options = that.options,
|
|
|
+ container;
|
|
|
+
|
|
|
+ that.element.setAttribute('autocomplete', 'off');
|
|
|
+
|
|
|
+ // html() deals with many types: htmlString or Element or Array or jQuery
|
|
|
+ that.noSuggestionsContainer = $('<div class="autocomplete-no-suggestion"></div>')
|
|
|
+ .html(this.options.noSuggestionNotice).get(0);
|
|
|
+
|
|
|
+ that.suggestionsContainer = Autocomplete.utils.createNode(options.containerClass);
|
|
|
+
|
|
|
+ container = $(that.suggestionsContainer);
|
|
|
+
|
|
|
+ container.appendTo(options.appendTo || 'body');
|
|
|
+
|
|
|
+ // Only set width if it was provided:
|
|
|
+ if (options.width !== 'auto') {
|
|
|
+ container.css('width', options.width);
|
|
|
+ }
|
|
|
+
|
|
|
+ // Listen for mouse over event on suggestions list:
|
|
|
+ container.on('mouseover.autocomplete', suggestionSelector, function () {
|
|
|
+ that.activate($(this).data('index'));
|
|
|
+ });
|
|
|
+
|
|
|
+ // Deselect active element when mouse leaves suggestions container:
|
|
|
+ container.on('mouseout.autocomplete', function () {
|
|
|
+ that.selectedIndex = -1;
|
|
|
+ container.children('.' + selected).removeClass(selected);
|
|
|
+ });
|
|
|
+
|
|
|
+ // Listen for click event on suggestions list:
|
|
|
+ container.on('click.autocomplete', suggestionSelector, function () {
|
|
|
+ that.select($(this).data('index'));
|
|
|
+ });
|
|
|
+
|
|
|
+ container.on('click.autocomplete', function () {
|
|
|
+ clearTimeout(that.blurTimeoutId);
|
|
|
+ })
|
|
|
+
|
|
|
+ that.fixPositionCapture = function () {
|
|
|
+ if (that.visible) {
|
|
|
+ that.fixPosition();
|
|
|
+ }
|
|
|
+ };
|
|
|
+
|
|
|
+ $(window).on('resize.autocomplete', that.fixPositionCapture);
|
|
|
+
|
|
|
+ that.el.on('keydown.autocomplete', function (e) { that.onKeyPress(e); });
|
|
|
+ that.el.on('keyup.autocomplete', function (e) { that.onKeyUp(e); });
|
|
|
+ that.el.on('blur.autocomplete', function () { that.onBlur(); });
|
|
|
+ that.el.on('focus.autocomplete', function () { that.onFocus(); });
|
|
|
+ that.el.on('change.autocomplete', function (e) { that.onKeyUp(e); });
|
|
|
+ that.el.on('input.autocomplete', function (e) { that.onKeyUp(e); });
|
|
|
+ },
|
|
|
+
|
|
|
+ onFocus: function () {
|
|
|
+ var that = this;
|
|
|
+
|
|
|
+ if (that.disabled) {
|
|
|
+ return;
|
|
|
+ }
|
|
|
+
|
|
|
+ that.fixPosition();
|
|
|
+
|
|
|
+ if (that.el.val().length >= that.options.minChars) {
|
|
|
+ that.onValueChange();
|
|
|
+ }
|
|
|
+ },
|
|
|
+
|
|
|
+ onBlur: function () {
|
|
|
+ var that = this,
|
|
|
+ options = that.options,
|
|
|
+ value = that.el.val(),
|
|
|
+ query = that.getQuery(value);
|
|
|
+
|
|
|
+ // If user clicked on a suggestion, hide() will
|
|
|
+ // be canceled, otherwise close suggestions
|
|
|
+ that.blurTimeoutId = setTimeout(function () {
|
|
|
+ that.hide();
|
|
|
+
|
|
|
+ if (that.selection && that.currentValue !== query) {
|
|
|
+ (options.onInvalidateSelection || $.noop).call(that.element);
|
|
|
+ }
|
|
|
+ }, 200);
|
|
|
+ },
|
|
|
+
|
|
|
+ abortAjax: function () {
|
|
|
+ var that = this;
|
|
|
+ if (that.currentRequest) {
|
|
|
+ that.currentRequest.abort();
|
|
|
+ that.currentRequest = null;
|
|
|
+ }
|
|
|
+ },
|
|
|
+
|
|
|
+ setOptions: function (suppliedOptions) {
|
|
|
+ var that = this,
|
|
|
+ options = $.extend({}, that.options, suppliedOptions);
|
|
|
+
|
|
|
+ that.isLocal = Array.isArray(options.lookup);
|
|
|
+
|
|
|
+ if (that.isLocal) {
|
|
|
+ options.lookup = that.verifySuggestionsFormat(options.lookup);
|
|
|
+ }
|
|
|
+
|
|
|
+ options.orientation = that.validateOrientation(options.orientation, 'bottom');
|
|
|
+
|
|
|
+ // Adjust height, width and z-index:
|
|
|
+ $(that.suggestionsContainer).css({
|
|
|
+ 'max-height': options.maxHeight + 'px',
|
|
|
+ 'width': options.width + 'px',
|
|
|
+ 'z-index': options.zIndex
|
|
|
+ });
|
|
|
+
|
|
|
+ this.options = options;
|
|
|
+ },
|
|
|
+
|
|
|
+
|
|
|
+ clearCache: function () {
|
|
|
+ this.cachedResponse = {};
|
|
|
+ this.badQueries = [];
|
|
|
+ },
|
|
|
+
|
|
|
+ clear: function () {
|
|
|
+ this.clearCache();
|
|
|
+ this.currentValue = '';
|
|
|
+ this.suggestions = [];
|
|
|
+ },
|
|
|
+
|
|
|
+ disable: function () {
|
|
|
+ var that = this;
|
|
|
+ that.disabled = true;
|
|
|
+ clearTimeout(that.onChangeTimeout);
|
|
|
+ that.abortAjax();
|
|
|
+ },
|
|
|
+
|
|
|
+ enable: function () {
|
|
|
+ this.disabled = false;
|
|
|
+ },
|
|
|
+
|
|
|
+ fixPosition: function () {
|
|
|
+ // Use only when container has already its content
|
|
|
+
|
|
|
+ var that = this,
|
|
|
+ $container = $(that.suggestionsContainer),
|
|
|
+ containerParent = $container.parent().get(0);
|
|
|
+ // Fix position automatically when appended to body.
|
|
|
+ // In other cases force parameter must be given.
|
|
|
+ if (containerParent !== document.body && !that.options.forceFixPosition) {
|
|
|
+ return;
|
|
|
+ }
|
|
|
+
|
|
|
+ // Choose orientation
|
|
|
+ var orientation = that.options.orientation,
|
|
|
+ containerHeight = $container.outerHeight(),
|
|
|
+ height = that.el.outerHeight(),
|
|
|
+ offset = that.el.offset(),
|
|
|
+ styles = { 'top': offset.top, 'left': offset.left };
|
|
|
+
|
|
|
+ if (orientation === 'auto') {
|
|
|
+ var viewPortHeight = $(window).height(),
|
|
|
+ scrollTop = $(window).scrollTop(),
|
|
|
+ topOverflow = -scrollTop + offset.top - containerHeight,
|
|
|
+ bottomOverflow = scrollTop + viewPortHeight - (offset.top + height + containerHeight);
|
|
|
+
|
|
|
+ orientation = (Math.max(topOverflow, bottomOverflow) === topOverflow) ? 'top' : 'bottom';
|
|
|
+ }
|
|
|
+
|
|
|
+ if (orientation === 'top') {
|
|
|
+ styles.top += -containerHeight;
|
|
|
+ } else {
|
|
|
+ styles.top += height;
|
|
|
+ }
|
|
|
+
|
|
|
+ // If container is not positioned to body,
|
|
|
+ // correct its position using offset parent offset
|
|
|
+ if(containerParent !== document.body) {
|
|
|
+ var opacity = $container.css('opacity'),
|
|
|
+ parentOffsetDiff;
|
|
|
+
|
|
|
+ if (!that.visible){
|
|
|
+ $container.css('opacity', 0).show();
|
|
|
+ }
|
|
|
+
|
|
|
+ parentOffsetDiff = $container.offsetParent().offset();
|
|
|
+ styles.top -= parentOffsetDiff.top;
|
|
|
+ styles.top += containerParent.scrollTop;
|
|
|
+ styles.left -= parentOffsetDiff.left;
|
|
|
+
|
|
|
+ if (!that.visible){
|
|
|
+ $container.css('opacity', opacity).hide();
|
|
|
+ }
|
|
|
+ }
|
|
|
+
|
|
|
+ if (that.options.width === 'auto') {
|
|
|
+ styles.width = that.el.outerWidth() + 'px';
|
|
|
+ }
|
|
|
+
|
|
|
+ $container.css(styles);
|
|
|
+ },
|
|
|
+
|
|
|
+ isCursorAtEnd: function () {
|
|
|
+ var that = this,
|
|
|
+ valLength = that.el.val().length,
|
|
|
+ selectionStart = that.element.selectionStart,
|
|
|
+ range;
|
|
|
+
|
|
|
+ if (typeof selectionStart === 'number') {
|
|
|
+ return selectionStart === valLength;
|
|
|
+ }
|
|
|
+ if (document.selection) {
|
|
|
+ range = document.selection.createRange();
|
|
|
+ range.moveStart('character', -valLength);
|
|
|
+ return valLength === range.text.length;
|
|
|
+ }
|
|
|
+ return true;
|
|
|
+ },
|
|
|
+
|
|
|
+ onKeyPress: function (e) {
|
|
|
+ var that = this;
|
|
|
+
|
|
|
+ // If suggestions are hidden and user presses arrow down, display suggestions:
|
|
|
+ if (!that.disabled && !that.visible && e.which === keys.DOWN && that.currentValue) {
|
|
|
+ that.suggest();
|
|
|
+ return;
|
|
|
+ }
|
|
|
+
|
|
|
+ if (that.disabled || !that.visible) {
|
|
|
+ return;
|
|
|
+ }
|
|
|
+
|
|
|
+ switch (e.which) {
|
|
|
+ case keys.ESC:
|
|
|
+ that.el.val(that.currentValue);
|
|
|
+ that.hide();
|
|
|
+ break;
|
|
|
+ case keys.RIGHT:
|
|
|
+ if (that.hint && that.options.onHint && that.isCursorAtEnd()) {
|
|
|
+ that.selectHint();
|
|
|
+ break;
|
|
|
+ }
|
|
|
+ return;
|
|
|
+ case keys.TAB:
|
|
|
+ if (that.hint && that.options.onHint) {
|
|
|
+ that.selectHint();
|
|
|
+ return;
|
|
|
+ }
|
|
|
+ if (that.selectedIndex === -1) {
|
|
|
+ that.hide();
|
|
|
+ return;
|
|
|
+ }
|
|
|
+ that.select(that.selectedIndex);
|
|
|
+ if (that.options.tabDisabled === false) {
|
|
|
+ return;
|
|
|
+ }
|
|
|
+ break;
|
|
|
+ case keys.RETURN:
|
|
|
+ if (that.selectedIndex === -1) {
|
|
|
+ that.hide();
|
|
|
+ return;
|
|
|
+ }
|
|
|
+ that.select(that.selectedIndex);
|
|
|
+ break;
|
|
|
+ case keys.UP:
|
|
|
+ that.moveUp();
|
|
|
+ break;
|
|
|
+ case keys.DOWN:
|
|
|
+ that.moveDown();
|
|
|
+ break;
|
|
|
+ default:
|
|
|
+ return;
|
|
|
+ }
|
|
|
+
|
|
|
+ // Cancel event if function did not return:
|
|
|
+ e.stopImmediatePropagation();
|
|
|
+ e.preventDefault();
|
|
|
+ },
|
|
|
+
|
|
|
+ onKeyUp: function (e) {
|
|
|
+ var that = this;
|
|
|
+
|
|
|
+ if (that.disabled) {
|
|
|
+ return;
|
|
|
+ }
|
|
|
+
|
|
|
+ switch (e.which) {
|
|
|
+ case keys.UP:
|
|
|
+ case keys.DOWN:
|
|
|
+ return;
|
|
|
+ }
|
|
|
+
|
|
|
+ clearTimeout(that.onChangeTimeout);
|
|
|
+
|
|
|
+ if (that.currentValue !== that.el.val()) {
|
|
|
+ that.findBestHint();
|
|
|
+ if (that.options.deferRequestBy > 0) {
|
|
|
+ // Defer lookup in case when value changes very quickly:
|
|
|
+ that.onChangeTimeout = setTimeout(function () {
|
|
|
+ that.onValueChange();
|
|
|
+ }, that.options.deferRequestBy);
|
|
|
+ } else {
|
|
|
+ that.onValueChange();
|
|
|
+ }
|
|
|
+ }
|
|
|
+ },
|
|
|
+
|
|
|
+ onValueChange: function () {
|
|
|
+ if (this.ignoreValueChange) {
|
|
|
+ this.ignoreValueChange = false;
|
|
|
+ return;
|
|
|
+ }
|
|
|
+
|
|
|
+ var that = this,
|
|
|
+ options = that.options,
|
|
|
+ value = that.el.val(),
|
|
|
+ query = that.getQuery(value);
|
|
|
+
|
|
|
+ if (that.selection && that.currentValue !== query) {
|
|
|
+ that.selection = null;
|
|
|
+ (options.onInvalidateSelection || $.noop).call(that.element);
|
|
|
+ }
|
|
|
+
|
|
|
+ clearTimeout(that.onChangeTimeout);
|
|
|
+ that.currentValue = value;
|
|
|
+ that.selectedIndex = -1;
|
|
|
+
|
|
|
+ // Check existing suggestion for the match before proceeding:
|
|
|
+ if (options.triggerSelectOnValidInput && that.isExactMatch(query)) {
|
|
|
+ that.select(0);
|
|
|
+ return;
|
|
|
+ }
|
|
|
+
|
|
|
+ if (query.length < options.minChars) {
|
|
|
+ that.hide();
|
|
|
+ } else {
|
|
|
+ that.getSuggestions(query);
|
|
|
+ }
|
|
|
+ },
|
|
|
+
|
|
|
+ isExactMatch: function (query) {
|
|
|
+ var suggestions = this.suggestions;
|
|
|
+
|
|
|
+ return (suggestions.length === 1 && suggestions[0].value.toLowerCase() === query.toLowerCase());
|
|
|
+ },
|
|
|
+
|
|
|
+ getQuery: function (value) {
|
|
|
+ var delimiter = this.options.delimiter,
|
|
|
+ parts;
|
|
|
+
|
|
|
+ if (!delimiter) {
|
|
|
+ return value;
|
|
|
+ }
|
|
|
+ parts = value.split(delimiter);
|
|
|
+ return $.trim(parts[parts.length - 1]);
|
|
|
+ },
|
|
|
+
|
|
|
+ getSuggestionsLocal: function (query) {
|
|
|
+ var that = this,
|
|
|
+ options = that.options,
|
|
|
+ queryLowerCase = query.toLowerCase(),
|
|
|
+ filter = options.lookupFilter,
|
|
|
+ limit = parseInt(options.lookupLimit, 10),
|
|
|
+ data;
|
|
|
+
|
|
|
+ data = {
|
|
|
+ suggestions: $.grep(options.lookup, function (suggestion) {
|
|
|
+ return filter(suggestion, query, queryLowerCase);
|
|
|
+ })
|
|
|
+ };
|
|
|
+
|
|
|
+ if (limit && data.suggestions.length > limit) {
|
|
|
+ data.suggestions = data.suggestions.slice(0, limit);
|
|
|
+ }
|
|
|
+
|
|
|
+ return data;
|
|
|
+ },
|
|
|
+
|
|
|
+ getSuggestions: function (q) {
|
|
|
+ var response,
|
|
|
+ that = this,
|
|
|
+ options = that.options,
|
|
|
+ serviceUrl = options.serviceUrl,
|
|
|
+ params,
|
|
|
+ cacheKey,
|
|
|
+ ajaxSettings;
|
|
|
+
|
|
|
+ options.params[options.paramName] = q;
|
|
|
+
|
|
|
+ if (options.onSearchStart.call(that.element, options.params) === false) {
|
|
|
+ return;
|
|
|
+ }
|
|
|
+
|
|
|
+ params = options.ignoreParams ? null : options.params;
|
|
|
+
|
|
|
+ if ($.isFunction(options.lookup)){
|
|
|
+ options.lookup(q, function (data) {
|
|
|
+ that.suggestions = data.suggestions;
|
|
|
+ that.suggest();
|
|
|
+ options.onSearchComplete.call(that.element, q, data.suggestions);
|
|
|
+ });
|
|
|
+ return;
|
|
|
+ }
|
|
|
+
|
|
|
+ if (that.isLocal) {
|
|
|
+ response = that.getSuggestionsLocal(q);
|
|
|
+ } else {
|
|
|
+ if ($.isFunction(serviceUrl)) {
|
|
|
+ serviceUrl = serviceUrl.call(that.element, q);
|
|
|
+ }
|
|
|
+ cacheKey = serviceUrl + '?' + $.param(params || {});
|
|
|
+ response = that.cachedResponse[cacheKey];
|
|
|
+ }
|
|
|
+
|
|
|
+ if (response && Array.isArray(response.suggestions)) {
|
|
|
+ that.suggestions = response.suggestions;
|
|
|
+ that.suggest();
|
|
|
+ options.onSearchComplete.call(that.element, q, response.suggestions);
|
|
|
+ } else if (!that.isBadQuery(q)) {
|
|
|
+ that.abortAjax();
|
|
|
+
|
|
|
+ ajaxSettings = {
|
|
|
+ url: serviceUrl,
|
|
|
+ data: params,
|
|
|
+ type: options.type,
|
|
|
+ dataType: options.dataType
|
|
|
+ };
|
|
|
+
|
|
|
+ $.extend(ajaxSettings, options.ajaxSettings);
|
|
|
+
|
|
|
+ that.currentRequest = $.ajax(ajaxSettings).done(function (data) {
|
|
|
+ var result;
|
|
|
+ that.currentRequest = null;
|
|
|
+ result = options.transformResult(data, q);
|
|
|
+ that.processResponse(result, q, cacheKey);
|
|
|
+ options.onSearchComplete.call(that.element, q, result.suggestions);
|
|
|
+ }).fail(function (jqXHR, textStatus, errorThrown) {
|
|
|
+ options.onSearchError.call(that.element, q, jqXHR, textStatus, errorThrown);
|
|
|
+ });
|
|
|
+ } else {
|
|
|
+ options.onSearchComplete.call(that.element, q, []);
|
|
|
+ }
|
|
|
+ },
|
|
|
+
|
|
|
+ isBadQuery: function (q) {
|
|
|
+ if (!this.options.preventBadQueries){
|
|
|
+ return false;
|
|
|
+ }
|
|
|
+
|
|
|
+ var badQueries = this.badQueries,
|
|
|
+ i = badQueries.length;
|
|
|
+
|
|
|
+ while (i--) {
|
|
|
+ if (q.indexOf(badQueries[i]) === 0) {
|
|
|
+ return true;
|
|
|
+ }
|
|
|
+ }
|
|
|
+
|
|
|
+ return false;
|
|
|
+ },
|
|
|
+
|
|
|
+ hide: function () {
|
|
|
+ var that = this,
|
|
|
+ container = $(that.suggestionsContainer);
|
|
|
+
|
|
|
+ if ($.isFunction(that.options.onHide) && that.visible) {
|
|
|
+ that.options.onHide.call(that.element, container);
|
|
|
+ }
|
|
|
+
|
|
|
+ that.visible = false;
|
|
|
+ that.selectedIndex = -1;
|
|
|
+ clearTimeout(that.onChangeTimeout);
|
|
|
+ $(that.suggestionsContainer).hide();
|
|
|
+ that.signalHint(null);
|
|
|
+ },
|
|
|
+
|
|
|
+ suggest: function () {
|
|
|
+ if (!this.suggestions.length) {
|
|
|
+ if (this.options.showNoSuggestionNotice) {
|
|
|
+ this.noSuggestions();
|
|
|
+ } else {
|
|
|
+ this.hide();
|
|
|
+ }
|
|
|
+ return;
|
|
|
+ }
|
|
|
+
|
|
|
+ var that = this,
|
|
|
+ options = that.options,
|
|
|
+ groupBy = options.groupBy,
|
|
|
+ formatResult = options.formatResult,
|
|
|
+ value = that.getQuery(that.currentValue),
|
|
|
+ className = that.classes.suggestion,
|
|
|
+ classSelected = that.classes.selected,
|
|
|
+ container = $(that.suggestionsContainer),
|
|
|
+ noSuggestionsContainer = $(that.noSuggestionsContainer),
|
|
|
+ beforeRender = options.beforeRender,
|
|
|
+ html = '',
|
|
|
+ category,
|
|
|
+ formatGroup = function (suggestion, index) {
|
|
|
+ var currentCategory = suggestion.data[groupBy];
|
|
|
+
|
|
|
+ if (category === currentCategory){
|
|
|
+ return '';
|
|
|
+ }
|
|
|
+
|
|
|
+ category = currentCategory;
|
|
|
+
|
|
|
+ return options.formatGroup(suggestion, category);
|
|
|
+ };
|
|
|
+
|
|
|
+ if (options.triggerSelectOnValidInput && that.isExactMatch(value)) {
|
|
|
+ that.select(0);
|
|
|
+ return;
|
|
|
+ }
|
|
|
+
|
|
|
+ // Build suggestions inner HTML:
|
|
|
+ $.each(that.suggestions, function (i, suggestion) {
|
|
|
+ if (groupBy){
|
|
|
+ html += formatGroup(suggestion, value, i);
|
|
|
+ }
|
|
|
+
|
|
|
+ html += '<div class="' + className + '" data-index="' + i + '">' + formatResult(suggestion, value, i) + '</div>';
|
|
|
+ });
|
|
|
+
|
|
|
+ this.adjustContainerWidth();
|
|
|
+
|
|
|
+ noSuggestionsContainer.detach();
|
|
|
+ container.html(html);
|
|
|
+
|
|
|
+ if ($.isFunction(beforeRender)) {
|
|
|
+ beforeRender.call(that.element, container, that.suggestions);
|
|
|
+ }
|
|
|
+
|
|
|
+ that.fixPosition();
|
|
|
+ container.show();
|
|
|
+
|
|
|
+ // Select first value by default:
|
|
|
+ if (options.autoSelectFirst) {
|
|
|
+ that.selectedIndex = 0;
|
|
|
+ container.scrollTop(0);
|
|
|
+ container.children('.' + className).first().addClass(classSelected);
|
|
|
+ }
|
|
|
+
|
|
|
+ that.visible = true;
|
|
|
+ that.findBestHint();
|
|
|
+ },
|
|
|
+
|
|
|
+ noSuggestions: function() {
|
|
|
+ var that = this,
|
|
|
+ beforeRender = that.options.beforeRender,
|
|
|
+ container = $(that.suggestionsContainer),
|
|
|
+ noSuggestionsContainer = $(that.noSuggestionsContainer);
|
|
|
+
|
|
|
+ this.adjustContainerWidth();
|
|
|
+
|
|
|
+ // Some explicit steps. Be careful here as it easy to get
|
|
|
+ // noSuggestionsContainer removed from DOM if not detached properly.
|
|
|
+ noSuggestionsContainer.detach();
|
|
|
+
|
|
|
+ // clean suggestions if any
|
|
|
+ container.empty();
|
|
|
+ container.append(noSuggestionsContainer);
|
|
|
+
|
|
|
+ if ($.isFunction(beforeRender)) {
|
|
|
+ beforeRender.call(that.element, container, that.suggestions);
|
|
|
+ }
|
|
|
+
|
|
|
+ that.fixPosition();
|
|
|
+
|
|
|
+ container.show();
|
|
|
+ that.visible = true;
|
|
|
+ },
|
|
|
+
|
|
|
+ adjustContainerWidth: function() {
|
|
|
+ var that = this,
|
|
|
+ options = that.options,
|
|
|
+ width,
|
|
|
+ container = $(that.suggestionsContainer);
|
|
|
+
|
|
|
+ // If width is auto, adjust width before displaying suggestions,
|
|
|
+ // because if instance was created before input had width, it will be zero.
|
|
|
+ // Also it adjusts if input width has changed.
|
|
|
+ if (options.width === 'auto') {
|
|
|
+ width = that.el.outerWidth();
|
|
|
+ container.css('width', width > 0 ? width : 300);
|
|
|
+ } else if(options.width === 'flex') {
|
|
|
+ // Trust the source! Unset the width property so it will be the max length
|
|
|
+ // the containing elements.
|
|
|
+ container.css('width', '');
|
|
|
+ }
|
|
|
+ },
|
|
|
+
|
|
|
+ findBestHint: function () {
|
|
|
+ var that = this,
|
|
|
+ value = that.el.val().toLowerCase(),
|
|
|
+ bestMatch = null;
|
|
|
+
|
|
|
+ if (!value) {
|
|
|
+ return;
|
|
|
+ }
|
|
|
+
|
|
|
+ $.each(that.suggestions, function (i, suggestion) {
|
|
|
+ var foundMatch = suggestion.value.toLowerCase().indexOf(value) === 0;
|
|
|
+ if (foundMatch) {
|
|
|
+ bestMatch = suggestion;
|
|
|
+ }
|
|
|
+ return !foundMatch;
|
|
|
+ });
|
|
|
+
|
|
|
+ that.signalHint(bestMatch);
|
|
|
+ },
|
|
|
+
|
|
|
+ signalHint: function (suggestion) {
|
|
|
+ var hintValue = '',
|
|
|
+ that = this;
|
|
|
+ if (suggestion) {
|
|
|
+ hintValue = that.currentValue + suggestion.value.substr(that.currentValue.length);
|
|
|
+ }
|
|
|
+ if (that.hintValue !== hintValue) {
|
|
|
+ that.hintValue = hintValue;
|
|
|
+ that.hint = suggestion;
|
|
|
+ (this.options.onHint || $.noop)(hintValue);
|
|
|
+ }
|
|
|
+ },
|
|
|
+
|
|
|
+ verifySuggestionsFormat: function (suggestions) {
|
|
|
+ // If suggestions is string array, convert them to supported format:
|
|
|
+ if (suggestions.length && typeof suggestions[0] === 'string') {
|
|
|
+ return $.map(suggestions, function (value) {
|
|
|
+ return { value: value, data: null };
|
|
|
+ });
|
|
|
+ }
|
|
|
+
|
|
|
+ return suggestions;
|
|
|
+ },
|
|
|
+
|
|
|
+ validateOrientation: function(orientation, fallback) {
|
|
|
+ orientation = $.trim(orientation || '').toLowerCase();
|
|
|
+
|
|
|
+ if($.inArray(orientation, ['auto', 'bottom', 'top']) === -1){
|
|
|
+ orientation = fallback;
|
|
|
+ }
|
|
|
+
|
|
|
+ return orientation;
|
|
|
+ },
|
|
|
+
|
|
|
+ processResponse: function (result, originalQuery, cacheKey) {
|
|
|
+ var that = this,
|
|
|
+ options = that.options;
|
|
|
+
|
|
|
+ result.suggestions = that.verifySuggestionsFormat(result.suggestions);
|
|
|
+
|
|
|
+ // Cache results if cache is not disabled:
|
|
|
+ if (!options.noCache) {
|
|
|
+ that.cachedResponse[cacheKey] = result;
|
|
|
+ if (options.preventBadQueries && !result.suggestions.length) {
|
|
|
+ that.badQueries.push(originalQuery);
|
|
|
+ }
|
|
|
+ }
|
|
|
+
|
|
|
+ // Return if originalQuery is not matching current query:
|
|
|
+ if (originalQuery !== that.getQuery(that.currentValue)) {
|
|
|
+ return;
|
|
|
+ }
|
|
|
+
|
|
|
+ that.suggestions = result.suggestions;
|
|
|
+ that.suggest();
|
|
|
+ },
|
|
|
+
|
|
|
+ activate: function (index) {
|
|
|
+ var that = this,
|
|
|
+ activeItem,
|
|
|
+ selected = that.classes.selected,
|
|
|
+ container = $(that.suggestionsContainer),
|
|
|
+ children = container.find('.' + that.classes.suggestion);
|
|
|
+
|
|
|
+ container.find('.' + selected).removeClass(selected);
|
|
|
+
|
|
|
+ that.selectedIndex = index;
|
|
|
+
|
|
|
+ if (that.selectedIndex !== -1 && children.length > that.selectedIndex) {
|
|
|
+ activeItem = children.get(that.selectedIndex);
|
|
|
+ $(activeItem).addClass(selected);
|
|
|
+ return activeItem;
|
|
|
+ }
|
|
|
+
|
|
|
+ return null;
|
|
|
+ },
|
|
|
+
|
|
|
+ selectHint: function () {
|
|
|
+ var that = this,
|
|
|
+ i = $.inArray(that.hint, that.suggestions);
|
|
|
+
|
|
|
+ that.select(i);
|
|
|
+ },
|
|
|
+
|
|
|
+ select: function (i) {
|
|
|
+ var that = this;
|
|
|
+ that.hide();
|
|
|
+ that.onSelect(i);
|
|
|
+ },
|
|
|
+
|
|
|
+ moveUp: function () {
|
|
|
+ var that = this;
|
|
|
+
|
|
|
+ if (that.selectedIndex === -1) {
|
|
|
+ return;
|
|
|
+ }
|
|
|
+
|
|
|
+ if (that.selectedIndex === 0) {
|
|
|
+ $(that.suggestionsContainer).children('.' + that.classes.suggestion).first().removeClass(that.classes.selected);
|
|
|
+ that.selectedIndex = -1;
|
|
|
+ that.ignoreValueChange = false;
|
|
|
+ that.el.val(that.currentValue);
|
|
|
+ that.findBestHint();
|
|
|
+ return;
|
|
|
+ }
|
|
|
+
|
|
|
+ that.adjustScroll(that.selectedIndex - 1);
|
|
|
+ },
|
|
|
+
|
|
|
+ moveDown: function () {
|
|
|
+ var that = this;
|
|
|
+
|
|
|
+ if (that.selectedIndex === (that.suggestions.length - 1)) {
|
|
|
+ return;
|
|
|
+ }
|
|
|
+
|
|
|
+ that.adjustScroll(that.selectedIndex + 1);
|
|
|
+ },
|
|
|
+
|
|
|
+ adjustScroll: function (index) {
|
|
|
+ var that = this,
|
|
|
+ activeItem = that.activate(index);
|
|
|
+
|
|
|
+ if (!activeItem) {
|
|
|
+ return;
|
|
|
+ }
|
|
|
+
|
|
|
+ var offsetTop,
|
|
|
+ upperBound,
|
|
|
+ lowerBound,
|
|
|
+ heightDelta = $(activeItem).outerHeight();
|
|
|
+
|
|
|
+ offsetTop = activeItem.offsetTop;
|
|
|
+ upperBound = $(that.suggestionsContainer).scrollTop();
|
|
|
+ lowerBound = upperBound + that.options.maxHeight - heightDelta;
|
|
|
+
|
|
|
+ if (offsetTop < upperBound) {
|
|
|
+ $(that.suggestionsContainer).scrollTop(offsetTop);
|
|
|
+ } else if (offsetTop > lowerBound) {
|
|
|
+ $(that.suggestionsContainer).scrollTop(offsetTop - that.options.maxHeight + heightDelta);
|
|
|
+ }
|
|
|
+
|
|
|
+ if (!that.options.preserveInput) {
|
|
|
+ // During onBlur event, browser will trigger "change" event,
|
|
|
+ // because value has changed, to avoid side effect ignore,
|
|
|
+ // that event, so that correct suggestion can be selected
|
|
|
+ // when clicking on suggestion with a mouse
|
|
|
+ that.ignoreValueChange = true;
|
|
|
+ that.el.val(that.getValue(that.suggestions[index].value));
|
|
|
+ }
|
|
|
+
|
|
|
+ that.signalHint(null);
|
|
|
+ },
|
|
|
+
|
|
|
+ onSelect: function (index) {
|
|
|
+ var that = this,
|
|
|
+ onSelectCallback = that.options.onSelect,
|
|
|
+ suggestion = that.suggestions[index];
|
|
|
+
|
|
|
+ that.currentValue = that.getValue(suggestion.value);
|
|
|
+
|
|
|
+ if (that.currentValue !== that.el.val() && !that.options.preserveInput) {
|
|
|
+ that.el.val(that.currentValue);
|
|
|
+ }
|
|
|
+
|
|
|
+ that.signalHint(null);
|
|
|
+ that.suggestions = [];
|
|
|
+ that.selection = suggestion;
|
|
|
+
|
|
|
+ if ($.isFunction(onSelectCallback)) {
|
|
|
+ onSelectCallback.call(that.element, suggestion);
|
|
|
+ }
|
|
|
+ },
|
|
|
+
|
|
|
+ getValue: function (value) {
|
|
|
+ var that = this,
|
|
|
+ delimiter = that.options.delimiter,
|
|
|
+ currentValue,
|
|
|
+ parts;
|
|
|
+
|
|
|
+ if (!delimiter) {
|
|
|
+ return value;
|
|
|
+ }
|
|
|
+
|
|
|
+ currentValue = that.currentValue;
|
|
|
+ parts = currentValue.split(delimiter);
|
|
|
+
|
|
|
+ if (parts.length === 1) {
|
|
|
+ return value;
|
|
|
+ }
|
|
|
+
|
|
|
+ return currentValue.substr(0, currentValue.length - parts[parts.length - 1].length) + value;
|
|
|
+ },
|
|
|
+
|
|
|
+ dispose: function () {
|
|
|
+ var that = this;
|
|
|
+ that.el.off('.autocomplete').removeData('autocomplete');
|
|
|
+ $(window).off('resize.autocomplete', that.fixPositionCapture);
|
|
|
+ $(that.suggestionsContainer).remove();
|
|
|
+ }
|
|
|
+ };
|
|
|
+
|
|
|
+ // Create chainable jQuery plugin:
|
|
|
+ $.fn.devbridgeAutocomplete = function (options, args) {
|
|
|
+ var dataKey = 'autocomplete';
|
|
|
+ // If function invoked without argument return
|
|
|
+ // instance of the first matched element:
|
|
|
+ if (!arguments.length) {
|
|
|
+ return this.first().data(dataKey);
|
|
|
+ }
|
|
|
+
|
|
|
+ return this.each(function () {
|
|
|
+ var inputElement = $(this),
|
|
|
+ instance = inputElement.data(dataKey);
|
|
|
+
|
|
|
+ if (typeof options === 'string') {
|
|
|
+ if (instance && typeof instance[options] === 'function') {
|
|
|
+ instance[options](args);
|
|
|
+ }
|
|
|
+ } else {
|
|
|
+ // If instance already exists, destroy it:
|
|
|
+ if (instance && instance.dispose) {
|
|
|
+ instance.dispose();
|
|
|
+ }
|
|
|
+ instance = new Autocomplete(this, options);
|
|
|
+ inputElement.data(dataKey, instance);
|
|
|
+ }
|
|
|
+ });
|
|
|
+ };
|
|
|
+
|
|
|
+ // Don't overwrite if it already exists
|
|
|
+ if (!$.fn.autocomplete) {
|
|
|
+ $.fn.autocomplete = $.fn.devbridgeAutocomplete;
|
|
|
+ }
|
|
|
+}));
|