X-Git-Url: https://git.mdrn.pl/wolnelektury.git/blobdiff_plain/362ea2e7f8ac4254398791139cc060090199f400..f8ecadb0baca91414e7d621efdd487aa748f84ef:/wolnelektury/static/js/jquery.autocomplete.js?ds=sidebyside

diff --git a/wolnelektury/static/js/jquery.autocomplete.js b/wolnelektury/static/js/jquery.autocomplete.js
index 5ad9178f8..6f46e1b9c 100644
--- a/wolnelektury/static/js/jquery.autocomplete.js
+++ b/wolnelektury/static/js/jquery.autocomplete.js
@@ -1,18 +1,22 @@
 /*
- * Autocomplete - jQuery plugin 1.0.2
+ * jQuery Autocomplete plugin 1.1
  *
- * Copyright (c) 2007 Dylan Verheul, Dan G. Switzer, Anjesh Tuladhar, Jörn Zaefferer
+ * 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 5747 2008-06-25 18:30:55Z joern.zaefferer $
- *
+ * 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";
@@ -22,13 +26,13 @@ $.fn.extend({
 			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);
 		});
@@ -77,9 +81,9 @@ $.Autocompleter = function(input, options) {
 		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) {
@@ -87,13 +91,16 @@ $.Autocompleter = function(input, options) {
 			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() ) {
@@ -102,7 +109,7 @@ $.Autocompleter = function(input, options) {
 					onChange(0, true);
 				}
 				break;
-				
+
 			case KEY.DOWN:
 				event.preventDefault();
 				if ( select.visible() ) {
@@ -111,7 +118,7 @@ $.Autocompleter = function(input, options) {
 					onChange(0, true);
 				}
 				break;
-				
+
 			case KEY.PAGEUP:
 				event.preventDefault();
 				if ( select.visible() ) {
@@ -120,7 +127,7 @@ $.Autocompleter = function(input, options) {
 					onChange(0, true);
 				}
 				break;
-				
+
 			case KEY.PAGEDOWN:
 				event.preventDefault();
 				if ( select.visible() ) {
@@ -129,7 +136,7 @@ $.Autocompleter = function(input, options) {
 					onChange(0, true);
 				}
 				break;
-			
+
 			// matches also semicolon
 			case options.multiple && $.trim(options.multipleSeparator) == "," && KEY.COMMA:
 			case KEY.TAB:
@@ -141,11 +148,11 @@ $.Autocompleter = function(input, options) {
 					return false;
 				}
 				break;
-				
+
 			case KEY.ESC:
 				select.hide();
 				break;
-				
+
 			default:
 				clearTimeout(timeout);
 				timeout = setTimeout(onChange, options.delay);
@@ -196,43 +203,57 @@ $.Autocompleter = function(input, options) {
 		$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 ) {
-				v = words.slice(0, words.length - 1).join( options.multipleSeparator ) + options.multipleSeparator + v;
+				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);
@@ -244,27 +265,32 @@ $.Autocompleter = function(input, options) {
 			select.hide();
 		}
 	};
-	
+
 	function trimWords(value) {
-		if ( !value ) {
+		if (!value)
 			return [""];
-		}
-		var words = value.split( options.multipleSeparator );
-		var result = [];
-		$.each(words, function(i, value) {
-			if ( $.trim(value) )
-				result[i] = $.trim(value);
+		if (!options.multiple)
+			return [$.trim(value)];
+		return $.map(value.split(options.multipleSeparator), function(word) {
+			return $.trim(value).length ? $.trim(word) : null;
 		});
-		return result;
 	}
-	
+
 	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
@@ -275,7 +301,7 @@ $.Autocompleter = function(input, options) {
 			// 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)
-			$.Autocompleter.Selection(input, previousValue.length, previousValue.length + sValue.length);
+			$(input).selection(previousValue.length, previousValue.length + sValue.length);
 		}
 	};
 
@@ -299,15 +325,14 @@ $.Autocompleter = function(input, options) {
 							var words = trimWords($input.val()).slice(0, -1);
 							$input.val( words.join(options.multipleSeparator) + (words.length ? options.multipleSeparator : "") );
 						}
-						else
+						else {
 							$input.val( "" );
+							$input.trigger("result", null);
+						}
 					}
 				}
 			);
 		}
-		if (wasVisible)
-			// position cursor at end of input field
-			$.Autocompleter.Selection(input, input.value.length, input.value.length);
 	};
 
 	function receiveData(q, data) {
@@ -330,14 +355,14 @@ $.Autocompleter = function(input, options) {
 			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",
@@ -361,7 +386,7 @@ $.Autocompleter = function(input, options) {
 			failure(term);
 		}
 	};
-	
+
 	function parse(data) {
 		var parsed = [];
 		var rows = data.split("\n");
@@ -405,8 +430,22 @@ $.Autocompleter.defaults = {
 	width: 0,
 	multiple: false,
 	multipleSeparator: ", ",
+    regex_escape: function(term) {
+        term = term.replace(/([\^\$\(\)\[\]\{\}\*\.\+\?\|\\])/gi, "\\$1");
+        /* no polish diacritics; should be more locale-aware */
+        term = term.replace(/a/g, '[aą]')
+                .replace(/c/g, '[cć]')
+                .replace(/e/g, '[eę]')
+                .replace(/l/g, '[lł]')
+                .replace(/n/g, '[nń]')
+                .replace(/o/g, '[oó]')
+                .replace(/s/g, '[sś]')
+                .replace(/z/g, '[zźż]');
+        return term;
+    },
 	highlight: function(value, term) {
-		return value.replace(new RegExp("(?![^&;]+;)(?!<[^<>]*)(" + term.replace(/([\^\$\(\)\[\]\{\}\*\.\+\?\|\\])/gi, "\\$1") + ")(?![^<>]*>)(?![^&;]+;)", "gi"), "<strong>$1</strong>");
+		term = $.Autocompleter.defaults.regex_escape(term);
+		return value.replace(new RegExp("(?![^&;]+;)(?!<[^<>]*)(" + term + ")(?![^<>]*>)(?![^&;]+;)", "gi"), "<strong>$1</strong>");
 	},
     scroll: true,
     scrollHeight: 180
@@ -416,25 +455,29 @@ $.Autocompleter.Cache = function(options) {
 
 	var data = {};
 	var length = 0;
-	
+
 	function matchSubset(s, sub) {
-		if (!options.matchCase) 
+		if (!options.matchCase)
 			s = s.toLowerCase();
 		var i = s.indexOf(sub);
+		if (options.matchContains == "word"){
+			query = $.Autocompleter.defaults.regex_escape(sub.toLowerCase());
+			i = s.toLowerCase().search("\\b" + query);
+		}
 		if (i == -1) return false;
 		return i == 0 || options.matchContains;
 	};
-	
+
 	function add(q, value) {
 		if (length > options.cacheLength){
 			flush();
 		}
-		if (!data[q]){ 
+		if (!data[q]){
 			length++;
 		}
 		data[q] = value;
 	}
-	
+
 	function populate(){
 		if( !options.data ) return false;
 		// track the matches
@@ -443,23 +486,23 @@ $.Autocompleter.Cache = function(options) {
 
 		// 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] ) 
+			if( !stMatchSets[firstChar] )
 				stMatchSets[firstChar] = [];
 
 			// if the match is a string
@@ -468,7 +511,7 @@ $.Autocompleter.Cache = function(options) {
 				data: rawValue,
 				result: options.formatResult && options.formatResult(rawValue) || value
 			};
-			
+
 			// push the current match into the set list
 			stMatchSets[firstChar].push(row);
 
@@ -486,15 +529,15 @@ $.Autocompleter.Cache = function(options) {
 			add(i, value);
 		});
 	}
-	
+
 	// populate any existing data
 	setTimeout(populate, 25);
-	
+
 	function flush(){
 		data = {};
 		length = 0;
 	}
-	
+
 	return {
 		flush: flush,
 		add: add,
@@ -502,7 +545,7 @@ $.Autocompleter.Cache = function(options) {
 		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
 			 */
@@ -522,9 +565,9 @@ $.Autocompleter.Cache = function(options) {
 							}
 						});
 					}
-				}				
+				}
 				return csub;
-			} else 
+			} else
 			// if the exact item exists, use it
 			if (data[q]){
 				return data[q];
@@ -552,7 +595,7 @@ $.Autocompleter.Select = function (options, input, select, config) {
 	var CLASSES = {
 		ACTIVE: "ac_over"
 	};
-	
+
 	var listItems,
 		active = -1,
 		data,
@@ -560,7 +603,7 @@ $.Autocompleter.Select = function (options, input, select, config) {
 		needsInit = true,
 		element,
 		list;
-	
+
 	// Create results
 	function init() {
 		if (!needsInit)
@@ -570,11 +613,11 @@ $.Autocompleter.Select = function (options, input, select, config) {
 		.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);            
+			    $(target(event)).addClass(CLASSES.ACTIVE);
 	        }
 		}).click(function(event) {
 			$(target(event)).addClass(CLASSES.ACTIVE);
@@ -587,13 +630,13 @@ $.Autocompleter.Select = function (options, input, select, config) {
 		}).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")
@@ -620,7 +663,7 @@ $.Autocompleter.Select = function (options, input, select, config) {
             }
         }
 	};
-	
+
 	function movePosition(step) {
 		active += step;
 		if (active < 0) {
@@ -629,13 +672,13 @@ $.Autocompleter.Select = function (options, input, select, config) {
 			active = 0;
 		}
 	}
-	
+
 	function limitNumberOfItems(available) {
 		return options.max && options.max < available
 			? options.max
 			: available;
 	}
-	
+
 	function fillList() {
 		list.empty();
 		var max = limitNumberOfItems(data.length);
@@ -657,7 +700,7 @@ $.Autocompleter.Select = function (options, input, select, config) {
 		if ( $.fn.bgiframe )
 			list.bgiframe();
 	}
-	
+
 	return {
 		display: function(d, q) {
 			init();
@@ -709,7 +752,7 @@ $.Autocompleter.Select = function (options, input, select, config) {
 					maxHeight: options.scrollHeight,
 					overflow: 'auto'
 				});
-				
+
                 if($.browser.msie && typeof document.body.style.maxHeight === "undefined") {
 					var listHeight = 0;
 					listItems.each(function() {
@@ -722,7 +765,7 @@ $.Autocompleter.Select = function (options, input, select, config) {
 						listItems.width( list.width() - parseInt(listItems.css("padding-left")) - parseInt(listItems.css("padding-right")) );
 					}
                 }
-                
+
             }
 		},
 		selected: function() {
@@ -738,22 +781,48 @@ $.Autocompleter.Select = function (options, input, select, config) {
 	};
 };
 
-$.Autocompleter.Selection = function(field, start, end) {
-	if( field.createTextRange ){
-		var selRange = field.createTextRange();
-		selRange.collapse(true);
-		selRange.moveStart("character", start);
-		selRange.moveEnd("character", end);
-		selRange.select();
-	} else if( field.setSelectionRange ){
-		field.setSelectionRange(start, end);
-	} else {
-		if( field.selectionStart ){
-			field.selectionStart = start;
-			field.selectionEnd = end;
+$.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
 		}
 	}
-	field.focus();
 };
 
 })(jQuery);
\ No newline at end of file