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Diffstat (limited to 'www/wiki/extensions/SemanticMediaWiki/res/jquery/jquery.autocomplete.js')
| -rw-r--r-- | www/wiki/extensions/SemanticMediaWiki/res/jquery/jquery.autocomplete.js | 998 |
1 files changed, 998 insertions, 0 deletions
diff --git a/www/wiki/extensions/SemanticMediaWiki/res/jquery/jquery.autocomplete.js b/www/wiki/extensions/SemanticMediaWiki/res/jquery/jquery.autocomplete.js new file mode 100644 index 00000000..467a8280 --- /dev/null +++ b/www/wiki/extensions/SemanticMediaWiki/res/jquery/jquery.autocomplete.js @@ -0,0 +1,998 @@ +/** +* Ajax Autocomplete for jQuery, version 1.4.7 +* (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({}, 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; + + // Remove autocomplete attribute to prevent native suggestions: + 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; + + that.fixPosition(); + + if (that.el.val().length >= that.options.minChars) { + that.onValueChange(); + } + }, + + onBlur: function () { + var that = this; + + // If user clicked on a suggestion, hide() will + // be canceled, otherwise close suggestions + that.blurTimeoutId = setTimeout(function () { + that.hide(); + }, 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() - 1 + '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; + } +})); |