+++ /dev/null
-/*
- * jQuery Autocomplete plugin 1.1
- *
- * Copyright (c) 2009 Jörn Zaefferer
- *
- * Dual licensed under the MIT and GPL licenses:
- * http://www.opensource.org/licenses/mit-license.php
- * http://www.gnu.org/licenses/gpl.html
- *
- * Revision: $Id: jquery.autocomplete.js 15 2009-08-22 10:30:27Z joern.zaefferer $
- */
-
-/*
- * Modified by Radek Czajka, Fundacja Nowoczesna Polska, 2010-05-10:
- * escape regex for word start checking in matchSubset
- */
-
-;(function($) {
-
-$.fn.extend({
- autocomplete: function(urlOrData, options) {
- var isUrl = typeof urlOrData == "string";
- options = $.extend({}, $.Autocompleter.defaults, {
- url: isUrl ? urlOrData : null,
- data: isUrl ? null : urlOrData,
- delay: isUrl ? $.Autocompleter.defaults.delay : 10,
- max: options && !options.scroll ? 10 : 150
- }, options);
-
- // if highlight is set to false, replace it with a do-nothing function
- options.highlight = options.highlight || function(value) { return value; };
-
- // if the formatMatch option is not specified, then use formatItem for backwards compatibility
- options.formatMatch = options.formatMatch || options.formatItem;
-
- return this.each(function() {
- new $.Autocompleter(this, options);
- });
- },
- result: function(handler) {
- return this.bind("result", handler);
- },
- search: function(handler) {
- return this.trigger("search", [handler]);
- },
- flushCache: function() {
- return this.trigger("flushCache");
- },
- setOptions: function(options){
- return this.trigger("setOptions", [options]);
- },
- unautocomplete: function() {
- return this.trigger("unautocomplete");
- }
-});
-
-$.Autocompleter = function(input, options) {
-
- var KEY = {
- UP: 38,
- DOWN: 40,
- DEL: 46,
- TAB: 9,
- RETURN: 13,
- ESC: 27,
- COMMA: 188,
- PAGEUP: 33,
- PAGEDOWN: 34,
- BACKSPACE: 8
- };
-
- // Create $ object for input element
- var $input = $(input).attr("autocomplete", "off").addClass(options.inputClass);
-
- var timeout;
- var previousValue = "";
- var cache = $.Autocompleter.Cache(options);
- var hasFocus = 0;
- var lastKeyPressCode;
- var config = {
- mouseDownOnSelect: false
- };
- var select = $.Autocompleter.Select(options, input, selectCurrent, config);
-
- var blockSubmit;
-
- // prevent form submit in opera when selecting with return key
- $.browser.opera && $(input.form).bind("submit.autocomplete", function() {
- if (blockSubmit) {
- blockSubmit = false;
- return false;
- }
- });
-
- // only opera doesn't trigger keydown multiple times while pressed, others don't work with keypress at all
- $input.bind(($.browser.opera ? "keypress" : "keydown") + ".autocomplete", function(event) {
- // a keypress means the input has focus
- // avoids issue where input had focus before the autocomplete was applied
- hasFocus = 1;
- // track last key pressed
- lastKeyPressCode = event.keyCode;
- switch(event.keyCode) {
-
- case KEY.UP:
- event.preventDefault();
- if ( select.visible() ) {
- select.prev();
- } else {
- onChange(0, true);
- }
- break;
-
- case KEY.DOWN:
- event.preventDefault();
- if ( select.visible() ) {
- select.next();
- } else {
- onChange(0, true);
- }
- break;
-
- case KEY.PAGEUP:
- event.preventDefault();
- if ( select.visible() ) {
- select.pageUp();
- } else {
- onChange(0, true);
- }
- break;
-
- case KEY.PAGEDOWN:
- event.preventDefault();
- if ( select.visible() ) {
- select.pageDown();
- } else {
- onChange(0, true);
- }
- break;
-
- // matches also semicolon
- case options.multiple && $.trim(options.multipleSeparator) == "," && KEY.COMMA:
- case KEY.TAB:
- case KEY.RETURN:
- if( selectCurrent() ) {
- // stop default to prevent a form submit, Opera needs special handling
- event.preventDefault();
- blockSubmit = true;
- return false;
- }
- break;
-
- case KEY.ESC:
- select.hide();
- break;
-
- default:
- clearTimeout(timeout);
- timeout = setTimeout(onChange, options.delay);
- break;
- }
- }).focus(function(){
- // track whether the field has focus, we shouldn't process any
- // results if the field no longer has focus
- hasFocus++;
- }).blur(function() {
- hasFocus = 0;
- if (!config.mouseDownOnSelect) {
- hideResults();
- }
- }).click(function() {
- // show select when clicking in a focused field
- if ( hasFocus++ > 1 && !select.visible() ) {
- onChange(0, true);
- }
- }).bind("search", function() {
- // TODO why not just specifying both arguments?
- var fn = (arguments.length > 1) ? arguments[1] : null;
- function findValueCallback(q, data) {
- var result;
- if( data && data.length ) {
- for (var i=0; i < data.length; i++) {
- if( data[i].result.toLowerCase() == q.toLowerCase() ) {
- result = data[i];
- break;
- }
- }
- }
- if( typeof fn == "function" ) fn(result);
- else $input.trigger("result", result && [result.data, result.value]);
- }
- $.each(trimWords($input.val()), function(i, value) {
- request(value, findValueCallback, findValueCallback);
- });
- }).bind("flushCache", function() {
- cache.flush();
- }).bind("setOptions", function() {
- $.extend(options, arguments[1]);
- // if we've updated the data, repopulate
- if ( "data" in arguments[1] )
- cache.populate();
- }).bind("unautocomplete", function() {
- select.unbind();
- $input.unbind();
- $(input.form).unbind(".autocomplete");
- });
-
-
- function selectCurrent() {
- var selected = select.selected();
- if( !selected )
- return false;
-
- var v = selected.result;
- previousValue = v;
-
- if ( options.multiple ) {
- var words = trimWords($input.val());
- if ( words.length > 1 ) {
- var seperator = options.multipleSeparator.length;
- var cursorAt = $(input).selection().start;
- var wordAt, progress = 0;
- $.each(words, function(i, word) {
- progress += word.length;
- if (cursorAt <= progress) {
- wordAt = i;
- return false;
- }
- progress += seperator;
- });
- words[wordAt] = v;
- // TODO this should set the cursor to the right position, but it gets overriden somewhere
- //$.Autocompleter.Selection(input, progress + seperator, progress + seperator);
- v = words.join( options.multipleSeparator );
- }
- v += options.multipleSeparator;
- }
-
- $input.val(v);
- hideResultsNow();
- $input.trigger("result", [selected.data, selected.value]);
- return true;
- }
-
- function onChange(crap, skipPrevCheck) {
- if( lastKeyPressCode == KEY.DEL ) {
- select.hide();
- return;
- }
-
- var currentValue = $input.val();
-
- if ( !skipPrevCheck && currentValue == previousValue )
- return;
-
- previousValue = currentValue;
-
- currentValue = lastWord(currentValue);
- if ( currentValue.length >= options.minChars) {
- $input.addClass(options.loadingClass);
- if (!options.matchCase)
- currentValue = currentValue.toLowerCase();
- request(currentValue, receiveData, hideResultsNow);
- } else {
- stopLoading();
- select.hide();
- }
- };
-
- function trimWords(value) {
- if (!value)
- return [""];
- if (!options.multiple)
- return [$.trim(value)];
- return $.map(value.split(options.multipleSeparator), function(word) {
- return $.trim(value).length ? $.trim(word) : null;
- });
- }
-
- function lastWord(value) {
- if ( !options.multiple )
- return value;
- var words = trimWords(value);
- if (words.length == 1)
- return words[0];
- var cursorAt = $(input).selection().start;
- if (cursorAt == value.length) {
- words = trimWords(value)
- } else {
- words = trimWords(value.replace(value.substring(cursorAt), ""));
- }
- return words[words.length - 1];
- }
-
- // fills in the input box w/the first match (assumed to be the best match)
- // q: the term entered
- // sValue: the first matching result
- function autoFill(q, sValue){
- // autofill in the complete box w/the first match as long as the user hasn't entered in more data
- // if the last user key pressed was backspace, don't autofill
- if( options.autoFill && (lastWord($input.val()).toLowerCase() == q.toLowerCase()) && lastKeyPressCode != KEY.BACKSPACE ) {
- // fill in the value (keep the case the user has typed)
- $input.val($input.val() + sValue.substring(lastWord(previousValue).length));
- // select the portion of the value not typed by the user (so the next character will erase)
- $(input).selection(previousValue.length, previousValue.length + sValue.length);
- }
- };
-
- function hideResults() {
- clearTimeout(timeout);
- timeout = setTimeout(hideResultsNow, 200);
- };
-
- function hideResultsNow() {
- var wasVisible = select.visible();
- select.hide();
- clearTimeout(timeout);
- stopLoading();
- if (options.mustMatch) {
- // call search and run callback
- $input.search(
- function (result){
- // if no value found, clear the input box
- if( !result ) {
- if (options.multiple) {
- var words = trimWords($input.val()).slice(0, -1);
- $input.val( words.join(options.multipleSeparator) + (words.length ? options.multipleSeparator : "") );
- }
- else {
- $input.val( "" );
- $input.trigger("result", null);
- }
- }
- }
- );
- }
- };
-
- function receiveData(q, data) {
- if ( data && data.length && hasFocus ) {
- stopLoading();
- select.display(data, q);
- autoFill(q, data[0].value);
- select.show();
- } else {
- hideResultsNow();
- }
- };
-
- function request(term, success, failure) {
- if (!options.matchCase)
- term = term.toLowerCase();
- var data = cache.load(term);
- // recieve the cached data
- if (data && data.length) {
- success(term, data);
- // if an AJAX url has been supplied, try loading the data now
- } else if( (typeof options.url == "string") && (options.url.length > 0) ){
-
- var extraParams = {
- timestamp: +new Date()
- };
- $.each(options.extraParams, function(key, param) {
- extraParams[key] = typeof param == "function" ? param() : param;
- });
-
- $.ajax({
- // try to leverage ajaxQueue plugin to abort previous requests
- mode: "abort",
- // limit abortion to this input
- port: "autocomplete" + input.name,
- dataType: options.dataType,
- url: options.url,
- data: $.extend({
- q: lastWord(term),
- limit: options.max
- }, extraParams),
- success: function(data) {
- var parsed = options.parse && options.parse(data) || parse(data);
- cache.add(term, parsed);
- success(term, parsed);
- }
- });
- } else {
- // if we have a failure, we need to empty the list -- this prevents the the [TAB] key from selecting the last successful match
- select.emptyList();
- failure(term);
- }
- };
-
- function parse(data) {
- var parsed = [];
- var rows = data.split("\n");
- for (var i=0; i < rows.length; i++) {
- var row = $.trim(rows[i]);
- if (row) {
- row = row.split("|");
- parsed[parsed.length] = {
- data: row,
- value: row[0],
- result: options.formatResult && options.formatResult(row, row[0]) || row[0]
- };
- }
- }
- return parsed;
- };
-
- function stopLoading() {
- $input.removeClass(options.loadingClass);
- };
-
-};
-
-$.Autocompleter.defaults = {
- inputClass: "ac_input",
- resultsClass: "ac_results",
- loadingClass: "ac_loading",
- minChars: 1,
- delay: 400,
- matchCase: false,
- matchSubset: true,
- matchContains: false,
- cacheLength: 10,
- max: 100,
- mustMatch: false,
- extraParams: {},
- selectFirst: true,
- formatItem: function(row) { return row[0]; },
- formatMatch: null,
- autoFill: false,
- width: 0,
- multiple: false,
- multipleSeparator: ", ",
- highlight: function(value, term) {
- return value.replace(new RegExp("(?![^&;]+;)(?!<[^<>]*)(" + term.replace(/([\^\$\(\)\[\]\{\}\*\.\+\?\|\\])/gi, "\\$1") + ")(?![^<>]*>)(?![^&;]+;)", "gi"), "<strong>$1</strong>");
- },
- scroll: true,
- scrollHeight: 180
-};
-
-$.Autocompleter.Cache = function(options) {
-
- var data = {};
- var length = 0;
-
- function matchSubset(s, sub) {
- if (!options.matchCase)
- s = s.toLowerCase();
- var i = s.indexOf(sub);
- if (options.matchContains == "word"){
- i = s.toLowerCase().search("\\b" + sub.replace(/([\^\$\(\)\[\]\{\}\*\.\+\?\|\\])/gi, "\\$1").toLowerCase());
- }
- if (i == -1) return false;
- return i == 0 || options.matchContains;
- };
-
- function add(q, value) {
- if (length > options.cacheLength){
- flush();
- }
- if (!data[q]){
- length++;
- }
- data[q] = value;
- }
-
- function populate(){
- if( !options.data ) return false;
- // track the matches
- var stMatchSets = {},
- nullData = 0;
-
- // no url was specified, we need to adjust the cache length to make sure it fits the local data store
- if( !options.url ) options.cacheLength = 1;
-
- // track all options for minChars = 0
- stMatchSets[""] = [];
-
- // loop through the array and create a lookup structure
- for ( var i = 0, ol = options.data.length; i < ol; i++ ) {
- var rawValue = options.data[i];
- // if rawValue is a string, make an array otherwise just reference the array
- rawValue = (typeof rawValue == "string") ? [rawValue] : rawValue;
-
- var value = options.formatMatch(rawValue, i+1, options.data.length);
- if ( value === false )
- continue;
-
- var firstChar = value.charAt(0).toLowerCase();
- // if no lookup array for this character exists, look it up now
- if( !stMatchSets[firstChar] )
- stMatchSets[firstChar] = [];
-
- // if the match is a string
- var row = {
- value: value,
- data: rawValue,
- result: options.formatResult && options.formatResult(rawValue) || value
- };
-
- // push the current match into the set list
- stMatchSets[firstChar].push(row);
-
- // keep track of minChars zero items
- if ( nullData++ < options.max ) {
- stMatchSets[""].push(row);
- }
- };
-
- // add the data items to the cache
- $.each(stMatchSets, function(i, value) {
- // increase the cache size
- options.cacheLength++;
- // add to the cache
- add(i, value);
- });
- }
-
- // populate any existing data
- setTimeout(populate, 25);
-
- function flush(){
- data = {};
- length = 0;
- }
-
- return {
- flush: flush,
- add: add,
- populate: populate,
- load: function(q) {
- if (!options.cacheLength || !length)
- return null;
- /*
- * if dealing w/local data and matchContains than we must make sure
- * to loop through all the data collections looking for matches
- */
- if( !options.url && options.matchContains ){
- // track all matches
- var csub = [];
- // loop through all the data grids for matches
- for( var k in data ){
- // don't search through the stMatchSets[""] (minChars: 0) cache
- // this prevents duplicates
- if( k.length > 0 ){
- var c = data[k];
- $.each(c, function(i, x) {
- // if we've got a match, add it to the array
- if (matchSubset(x.value, q)) {
- csub.push(x);
- }
- });
- }
- }
- return csub;
- } else
- // if the exact item exists, use it
- if (data[q]){
- return data[q];
- } else
- if (options.matchSubset) {
- for (var i = q.length - 1; i >= options.minChars; i--) {
- var c = data[q.substr(0, i)];
- if (c) {
- var csub = [];
- $.each(c, function(i, x) {
- if (matchSubset(x.value, q)) {
- csub[csub.length] = x;
- }
- });
- return csub;
- }
- }
- }
- return null;
- }
- };
-};
-
-$.Autocompleter.Select = function (options, input, select, config) {
- var CLASSES = {
- ACTIVE: "ac_over"
- };
-
- var listItems,
- active = -1,
- data,
- term = "",
- needsInit = true,
- element,
- list;
-
- // Create results
- function init() {
- if (!needsInit)
- return;
- element = $("<div/>")
- .hide()
- .addClass(options.resultsClass)
- .css("position", "absolute")
- .appendTo(document.body);
-
- list = $("<ul/>").appendTo(element).mouseover( function(event) {
- if(target(event).nodeName && target(event).nodeName.toUpperCase() == 'LI') {
- active = $("li", list).removeClass(CLASSES.ACTIVE).index(target(event));
- $(target(event)).addClass(CLASSES.ACTIVE);
- }
- }).click(function(event) {
- $(target(event)).addClass(CLASSES.ACTIVE);
- select();
- // TODO provide option to avoid setting focus again after selection? useful for cleanup-on-focus
- input.focus();
- return false;
- }).mousedown(function() {
- config.mouseDownOnSelect = true;
- }).mouseup(function() {
- config.mouseDownOnSelect = false;
- });
-
- if( options.width > 0 )
- element.css("width", options.width);
-
- needsInit = false;
- }
-
- function target(event) {
- var element = event.target;
- while(element && element.tagName != "LI")
- element = element.parentNode;
- // more fun with IE, sometimes event.target is empty, just ignore it then
- if(!element)
- return [];
- return element;
- }
-
- function moveSelect(step) {
- listItems.slice(active, active + 1).removeClass(CLASSES.ACTIVE);
- movePosition(step);
- var activeItem = listItems.slice(active, active + 1).addClass(CLASSES.ACTIVE);
- if(options.scroll) {
- var offset = 0;
- listItems.slice(0, active).each(function() {
- offset += this.offsetHeight;
- });
- if((offset + activeItem[0].offsetHeight - list.scrollTop()) > list[0].clientHeight) {
- list.scrollTop(offset + activeItem[0].offsetHeight - list.innerHeight());
- } else if(offset < list.scrollTop()) {
- list.scrollTop(offset);
- }
- }
- };
-
- function movePosition(step) {
- active += step;
- if (active < 0) {
- active = listItems.size() - 1;
- } else if (active >= listItems.size()) {
- active = 0;
- }
- }
-
- function limitNumberOfItems(available) {
- return options.max && options.max < available
- ? options.max
- : available;
- }
-
- function fillList() {
- list.empty();
- var max = limitNumberOfItems(data.length);
- for (var i=0; i < max; i++) {
- if (!data[i])
- continue;
- var formatted = options.formatItem(data[i].data, i+1, max, data[i].value, term);
- if ( formatted === false )
- continue;
- var li = $("<li/>").html( options.highlight(formatted, term) ).addClass(i%2 == 0 ? "ac_even" : "ac_odd").appendTo(list)[0];
- $.data(li, "ac_data", data[i]);
- }
- listItems = list.find("li");
- if ( options.selectFirst ) {
- listItems.slice(0, 1).addClass(CLASSES.ACTIVE);
- active = 0;
- }
- // apply bgiframe if available
- if ( $.fn.bgiframe )
- list.bgiframe();
- }
-
- return {
- display: function(d, q) {
- init();
- data = d;
- term = q;
- fillList();
- },
- next: function() {
- moveSelect(1);
- },
- prev: function() {
- moveSelect(-1);
- },
- pageUp: function() {
- if (active != 0 && active - 8 < 0) {
- moveSelect( -active );
- } else {
- moveSelect(-8);
- }
- },
- pageDown: function() {
- if (active != listItems.size() - 1 && active + 8 > listItems.size()) {
- moveSelect( listItems.size() - 1 - active );
- } else {
- moveSelect(8);
- }
- },
- hide: function() {
- element && element.hide();
- listItems && listItems.removeClass(CLASSES.ACTIVE);
- active = -1;
- },
- visible : function() {
- return element && element.is(":visible");
- },
- current: function() {
- return this.visible() && (listItems.filter("." + CLASSES.ACTIVE)[0] || options.selectFirst && listItems[0]);
- },
- show: function() {
- var offset = $(input).offset();
- element.css({
- width: typeof options.width == "string" || options.width > 0 ? options.width : $(input).width(),
- top: offset.top + input.offsetHeight,
- left: offset.left
- }).show();
- if(options.scroll) {
- list.scrollTop(0);
- list.css({
- maxHeight: options.scrollHeight,
- overflow: 'auto'
- });
-
- if($.browser.msie && typeof document.body.style.maxHeight === "undefined") {
- var listHeight = 0;
- listItems.each(function() {
- listHeight += this.offsetHeight;
- });
- var scrollbarsVisible = listHeight > options.scrollHeight;
- list.css('height', scrollbarsVisible ? options.scrollHeight : listHeight );
- if (!scrollbarsVisible) {
- // IE doesn't recalculate width when scrollbar disappears
- listItems.width( list.width() - parseInt(listItems.css("padding-left")) - parseInt(listItems.css("padding-right")) );
- }
- }
-
- }
- },
- selected: function() {
- var selected = listItems && listItems.filter("." + CLASSES.ACTIVE).removeClass(CLASSES.ACTIVE);
- return selected && selected.length && $.data(selected[0], "ac_data");
- },
- emptyList: function (){
- list && list.empty();
- },
- unbind: function() {
- element && element.remove();
- }
- };
-};
-
-$.fn.selection = function(start, end) {
- if (start !== undefined) {
- return this.each(function() {
- if( this.createTextRange ){
- var selRange = this.createTextRange();
- if (end === undefined || start == end) {
- selRange.move("character", start);
- selRange.select();
- } else {
- selRange.collapse(true);
- selRange.moveStart("character", start);
- selRange.moveEnd("character", end);
- selRange.select();
- }
- } else if( this.setSelectionRange ){
- this.setSelectionRange(start, end);
- } else if( this.selectionStart ){
- this.selectionStart = start;
- this.selectionEnd = end;
- }
- });
- }
- var field = this[0];
- if ( field.createTextRange ) {
- var range = document.selection.createRange(),
- orig = field.value,
- teststring = "<->",
- textLength = range.text.length;
- range.text = teststring;
- var caretAt = field.value.indexOf(teststring);
- field.value = orig;
- this.selection(caretAt, caretAt + textLength);
- return {
- start: caretAt,
- end: caretAt + textLength
- }
- } else if( field.selectionStart !== undefined ){
- return {
- start: field.selectionStart,
- end: field.selectionEnd
- }
- }
-};
-
-})(jQuery);
\ No newline at end of file
fnp / wolnelektury.git / blobdiff