├── jquery.a-tools-1.4.1.js
└── jquery.asuggest.js


/jquery.a-tools-1.4.1.js:
--------------------------------------------------------------------------------
  1 | /*! 
  2 |  * a-tools 1.4.1
  3 |  * 
  4 |  * Copyright (c) 2009 Andrey Kramarev(andrey.kramarev[at]ampparit.com), Ampparit Inc. (www.ampparit.com)
  5 |  * Licensed under the MIT license.
  6 |  * http://www.ampparit.fi/a-tools/license.txt
  7 |  *
  8 |  * Basic usage:
  9 |  
 10 |     <textarea></textarea>
 11 |     <input type="text" />
 12 | 
 13 |     // Get current selection
 14 |     var sel = $("textarea").getSelection()
 15 |     
 16 |     // Replace current selection
 17 |     $("input").replaceSelection("foo");
 18 | 
 19 |     // Count characters
 20 |     alert($("textarea").countCharacters());
 21 | 
 22 |     // Set max length without callback function
 23 |     $("textarea").setMaxLength(7);
 24 | 
 25 |     // Set max length with callback function which will be called when limit is exceeded
 26 |     $("textarea").setMaxLength(10, function() {
 27 |         alert("hello")
 28 |     });
 29 | 
 30 |     // Removing limit:
 31 |     $("textarea").setMaxLength(-1);
 32 |     
 33 |     // Insert text at current caret position
 34 |     $("#textarea").insertAtCaretPos("hello");
 35 |     
 36 |     // Set caret position (1 = beginning, -1 = end)
 37 |     $("#textArea").setCaretPos(10);
 38 |     
 39 |     // Set Selection
 40 |     $("#textArea").setSelection(10,15);
 41 | 
 42 |  */
 43 | var caretPositionAmp;
 44 | 
 45 | jQuery.fn.extend({
 46 | 	getSelection: function() {  // function for getting selection, and position of the selected text
 47 | 		var input = this.jquery ? this[0] : this;
 48 | 		var start;
 49 | 		var end;
 50 | 		var part;
 51 | 		var number = 0;
 52 |         input.onmousedown = function() { // for IE because it loses caret position when focus changed
 53 |             if (document.selection && typeof(input.selectionStart) != "number") {
 54 |                 document.selection.empty();
 55 | 			} else {
 56 |                 window.getSelection().removeAllRanges();
 57 |             }
 58 | 		}
 59 | 		if (document.selection) {
 60 | 			// part for IE and Opera
 61 | 			var s = document.selection.createRange();
 62 | 			var minus = 0;
 63 | 			var position = 0;
 64 | 			var minusEnd = 0;
 65 | 			var re;
 66 | 			var rc;
 67 | 			if (input.value.match(/\n/g) != null) {
 68 | 					number = input.value.match(/\n/g).length;// number of EOL simbols
 69 | 			}
 70 | 			if (s.text) {
 71 |                 part = s.text;
 72 | 				// OPERA support
 73 | 				if (typeof(input.selectionStart) == "number") {
 74 | 					start = input.selectionStart;
 75 | 					end = input.selectionEnd;
 76 | 					// return null if the selected text not from the needed area
 77 | 					if (start == end) {
 78 |                         return { start: start, end: end, text: s.text, length: end - start };
 79 | 					}
 80 | 				} else {
 81 | 					// IE support
 82 | 					var firstRe;
 83 | 					var secondRe;
 84 | 					re = input.createTextRange();
 85 | 					rc = re.duplicate();
 86 | 					firstRe = re.text;
 87 | 					re.moveToBookmark(s.getBookmark());
 88 | 					secondRe = re.text;
 89 | 					rc.setEndPoint("EndToStart", re);
 90 |                     // return null if the selectyed text not from the needed area
 91 | 					if (firstRe == secondRe && firstRe != s.text) {
 92 | 						return this;
 93 | 					}
 94 |                     start = rc.text.length; 
 95 |                     end = rc.text.length + s.text.length;
 96 |                 }
 97 | 				// remove all EOL to have the same start and end positons as in MOZILLA
 98 | 				if (number > 0) {
 99 | 					for (var i = 0; i <= number; i++) {
100 | 						var w = input.value.indexOf("\n", position);
101 | 						if (w != -1 && w < start) {
102 | 							position = w + 1;
103 | 							minus++;
104 | 							minusEnd = minus;
105 | 						} else if (w != -1 && w >= start && w <= end) {
106 | 							if (w == start + 1) {
107 | 								minus--;
108 | 								minusEnd--;
109 | 								position = w + 1;
110 | 								continue;
111 | 							}
112 | 							position = w + 1;
113 | 							minusEnd++;
114 | 						} else {
115 | 							i = number;
116 | 						}
117 | 					}
118 | 				}
119 | 				if (s.text.indexOf("\n", 0) == 1) {
120 | 					minusEnd = minusEnd + 2;
121 | 				}
122 |                 start = start - minus;
123 | 				end = end - minusEnd;
124 | 				
125 |                 return { start: start, end: end, text: s.text, length: end - start };
126 | 			}
127 | 			input.focus ();
128 | 			if (typeof(input.selectionStart) == "number") {
129 | 				start = input.selectionStart;
130 | 			} else {
131 | 				s = document.selection.createRange();
132 | 				re = input.createTextRange();
133 | 				rc = re.duplicate();
134 | 				re.moveToBookmark(s.getBookmark());
135 | 				rc.setEndPoint("EndToStart", re);
136 | 				start = rc.text.length;
137 | 			}
138 | 			if (number > 0) {
139 | 				for (var i = 0; i <= number; i++) {
140 | 					var w = input.value.indexOf("\n", position);
141 | 					if (w != -1 && w < start) {
142 | 						position = w + 1;
143 | 						minus++;
144 | 					} else {
145 | 						i = number;
146 | 					}
147 | 				}
148 | 			}
149 |             start = start - minus;
150 | 			return { start: start, end: start, text: s.text, length: 0 };
151 | 		} else if (typeof(input.selectionStart) == "number" ) {
152 |             start = input.selectionStart;
153 | 			end = input.selectionEnd;
154 | 			part = input.value.substring(input.selectionStart, input.selectionEnd);
155 | 			return { start: start, end: end, text: part, length: end - start };
156 | 		} else { return { start: undefined, end: undefined, text: undefined, length: undefined }; }
157 | 	},
158 | 
159 | 	// function for the replacement of the selected text
160 | 	replaceSelection: function(inputStr) {
161 | 		var input = this.jquery ? this[0] : this; 
162 | 		//part for IE and Opera
163 | 		var start;
164 | 		var end;
165 | 		var position = 0;
166 | 		var rc;
167 | 		var re;
168 | 		var number = 0;
169 | 		var minus = 0;
170 | 		var mozScrollFix = ( input.scrollTop == undefined ) ? 0 : input.scrollTop; 
171 | 		if (document.selection && typeof(input.selectionStart) != "number") {
172 | 			var s = document.selection.createRange();
173 | 			
174 | 			// IE support
175 | 			if (typeof(input.selectionStart) != "number") { // return null if the selected text not from the needed area
176 | 				var firstRe;
177 | 				var secondRe;
178 | 				re = input.createTextRange();
179 | 				rc = re.duplicate();
180 | 				firstRe = re.text;
181 | 				re.moveToBookmark(s.getBookmark());
182 | 				secondRe = re.text;
183 | 				rc.setEndPoint("EndToStart", re);
184 | 				if (firstRe == secondRe && firstRe != s.text) {
185 | 					return this;
186 | 				}
187 | 			}
188 | 			if (s.text) {
189 | 				part = s.text;
190 | 				if (input.value.match(/\n/g) != null) {
191 | 					number = input.value.match(/\n/g).length;// number of EOL simbols
192 | 				}
193 | 				// IE support
194 | 				start = rc.text.length; 
195 | 				// remove all EOL to have the same start and end positons as in MOZILLA
196 | 				if (number > 0) {
197 | 					for (var i = 0; i <= number; i++) {
198 | 						var w = input.value.indexOf("\n", position);
199 | 						if (w != -1 && w < start) {
200 | 							position = w + 1;
201 | 							minus++;
202 | 							
203 | 						} else {
204 | 							i = number;
205 | 						}
206 | 					}
207 | 				}
208 | 				s.text = inputStr;
209 | 				caretPositionAmp = rc.text.length + inputStr.length;
210 | 				re.move("character", caretPositionAmp);
211 | 				document.selection.empty();
212 | 				input.blur();
213 | 			}
214 | 			return this;
215 | 		} else if (typeof(input.selectionStart) == "number" && // MOZILLA support
216 | 				input.selectionStart != input.selectionEnd) {
217 | 			
218 | 			start = input.selectionStart;
219 | 			end = input.selectionEnd;
220 | 			input.value = input.value.substr(0, start) + inputStr + input.value.substr(end);
221 | 			position = start + inputStr.length;
222 | 			input.setSelectionRange(position, position); 
223 | 			input.scrollTop = mozScrollFix;
224 | 			return this;
225 | 		}
226 | 		return this;
227 | 	},
228 | 	
229 |     //Set Selection in text
230 | 	setSelection: function(startPosition, endPosition) {
231 |         startPosition = parseInt(startPosition);
232 |         endPosition = parseInt(endPosition);
233 |         
234 |         var input = this.jquery ? this[0] : this; 
235 |         input.focus ();
236 | 		if (typeof(input.selectionStart) != "number") {
237 |             re = input.createTextRange();
238 |             if (re.text.length < endPosition) {
239 |                 endPosition = re.text.length+1;
240 |             }
241 |         }
242 |         if (endPosition < startPosition) {
243 |             return this;
244 |         }
245 |         if (document.selection) { 
246 |             var number = 0;
247 |             var plus = 0;
248 | 			var position = 0;
249 | 			var plusEnd = 0;
250 |             if (typeof(input.selectionStart) != "number") { // IE
251 |                 re.collapse(true); 
252 |                 re.moveEnd('character', endPosition); 
253 |                 re.moveStart('character', startPosition); 
254 |                 re.select(); 
255 |                 return this;
256 |             } else if (typeof(input.selectionStart) == "number") {      // Opera
257 |                 if (input.value.match(/\n/g) != null) {
258 | 					number = input.value.match(/\n/g).length;// number of EOL simbols
259 |                 }
260 |                 if (number > 0) {
261 |                     for (var i = 0; i <= number; i++) {
262 | 						var w = input.value.indexOf("\n", position);
263 | 						if (w != -1 && w < startPosition) {
264 |                             position = w + 1;
265 | 							plus++;
266 | 							plusEnd = plus;
267 |                         } else if (w != -1 && w >= startPosition && w <= endPosition) {
268 | 							if (w == startPosition + 1) {
269 | 								plus--;
270 | 								plusEnd--;
271 | 								position = w + 1;
272 |                                 continue;
273 | 							}
274 | 							position = w + 1;
275 | 							plusEnd++;
276 | 						} else {
277 | 							i = number;
278 | 						}
279 | 					}
280 | 				}
281 |                 startPosition = startPosition +plus;
282 |                 endPosition = endPosition + plusEnd;
283 |                 input.selectionStart = startPosition; 
284 |                 input.selectionEnd = endPosition;
285 |                 return this;
286 |             } else {
287 |                 return this;
288 |             }
289 |         }
290 |         else if (input.selectionStart) {   // MOZILLA support
291 |             input.focus ();
292 |             input.selectionStart = startPosition; 
293 |             input.selectionEnd = endPosition; 
294 |             return this;
295 |         } 
296 |     },
297 | 	
298 | 	// insert text at current caret position
299 | 	insertAtCaretPos: function(inputStr) {
300 | 		var input = this.jquery ? this[0] : this; 
301 | 		var start;
302 | 		var end;
303 | 		var position;
304 | 		var s;
305 | 		var re;
306 | 		var rc;
307 | 		var point;
308 | 		var minus = 0;
309 | 		var number = 0;
310 | 		var mozScrollFix = ( input.scrollTop == undefined ) ? 0 : input.scrollTop; 
311 | 		input.focus();
312 | 		if (document.selection && typeof(input.selectionStart) != "number") {
313 | 			if (input.value.match(/\n/g) != null) {
314 | 				number = input.value.match(/\n/g).length;// number of EOL simbols
315 | 			}
316 | 			point = parseInt(caretPositionAmp);
317 | 			if (number > 0) {
318 | 				for (var i = 0; i <= number; i++) {
319 | 					var w = input.value.indexOf("\n", position);
320 | 					if (w != -1 && w <= point) {
321 | 						position = w + 1;
322 | 						point = point - 1;
323 | 						minus++;
324 | 					} 
325 | 				}
326 | 			}
327 | 		}
328 | 		caretPositionAmp = parseInt(caretPositionAmp);
329 | 		// IE
330 | 		input.onmouseup = function() { // for IE because it loses caret position when focus changed
331 | 			if (document.selection && typeof(input.selectionStart) != "number") {
332 |                 input.focus();
333 |                 s = document.selection.createRange();
334 |                 re = input.createTextRange();
335 | 				rc = re.duplicate();
336 |                 re.moveToBookmark(s.getBookmark());
337 |                 rc.setEndPoint("EndToStart", re);
338 |                 caretPositionAmp = rc.text.length;
339 |             }
340 | 		}
341 | 
342 | 		if (document.selection && typeof(input.selectionStart) != "number") {
343 | 			s = document.selection.createRange();
344 | 			if (s.text.length != 0) {
345 | 				return this;
346 | 			}
347 | 			re = input.createTextRange();
348 | 			textLength = re.text.length;
349 | 			rc = re.duplicate();
350 | 			re.moveToBookmark(s.getBookmark());
351 | 			rc.setEndPoint("EndToStart", re);
352 | 			start = rc.text.length; 
353 |             if (caretPositionAmp > 0 && start ==0) {
354 |                 minus = caretPositionAmp - minus;
355 | 				re.move("character", minus);
356 | 				re.select();
357 | 				s = document.selection.createRange();
358 | 				caretPositionAmp += inputStr.length;
359 | 			} else if (!(caretPositionAmp >= 0) && textLength ==0) {
360 |                 s = document.selection.createRange();
361 | 				caretPositionAmp = inputStr.length + textLength;
362 | 			} else if (!(caretPositionAmp >= 0) && start ==0) {
363 |                 re.move("character", textLength);
364 | 				re.select();
365 | 				s = document.selection.createRange();
366 | 				caretPositionAmp = inputStr.length + textLength;
367 | 			} else if (!(caretPositionAmp >= 0) && start > 0) { 
368 |                 re.move("character", 0);
369 |                 document.selection.empty();
370 |                 re.select();
371 |                 s = document.selection.createRange();
372 |                 caretPositionAmp = start + inputStr.length;
373 |             } else if (caretPositionAmp >= 0 && caretPositionAmp == textLength) { 
374 |                 if (textLength != 0) {
375 |                     re.move("character", textLength);
376 |                     re.select();
377 |                 } else {
378 |                     re.move("character", 0);
379 |                 }
380 | 				s = document.selection.createRange();
381 | 				caretPositionAmp = inputStr.length + textLength;
382 | 			} else if (caretPositionAmp >= 0 && start != 0 && caretPositionAmp >= start) { 
383 |                 minus = caretPositionAmp - start;
384 | 				re.move("character", minus);
385 | 				document.selection.empty();
386 | 				re.select();
387 | 				s = document.selection.createRange();
388 | 				caretPositionAmp = caretPositionAmp + inputStr.length; 
389 | 			} else if (caretPositionAmp >= 0 && start != 0 && caretPositionAmp < start) { 
390 |                 re.move("character", 0);
391 | 				document.selection.empty();
392 | 				re.select();
393 | 				s = document.selection.createRange();
394 | 				caretPositionAmp = caretPositionAmp + inputStr.length; 
395 | 			} else { 
396 |                 document.selection.empty();
397 | 				re.select();
398 | 				s = document.selection.createRange();
399 | 				caretPositionAmp = caretPositionAmp + inputStr.length; 
400 | 			} 
401 | 			s.text = inputStr; 
402 | 			input.focus();
403 | 
404 | 			return this;
405 | 		} else if (typeof(input.selectionStart) == "number" && // MOZILLA support
406 | 				input.selectionStart == input.selectionEnd) {
407 | 			position = input.selectionStart + inputStr.length;
408 | 			start = input.selectionStart;
409 | 			end = input.selectionEnd;
410 | 			input.value = input.value.substr(0, start) + inputStr + input.value.substr(end);
411 | 			input.setSelectionRange(position, position); 
412 | 			input.scrollTop = mozScrollFix; 
413 | 			return this;
414 | 		}
415 | 		return this;
416 | 	},	
417 | 
418 | 	
419 | 	// Set caret position
420 | 	setCaretPos: function(inputStr) {
421 | 
422 | 		var input = this.jquery ? this[0] : this; 
423 | 		var s;
424 | 		var re;
425 | 		var position;
426 | 		var number = 0;
427 | 		var minus = 0;
428 | 		var w;
429 | 		input.focus();
430 | 		if (parseInt(inputStr) == 0) {
431 | 			return this;
432 | 		}
433 | 		//if (document.selection && typeof(input.selectionStart) == "number") {
434 | 		if (parseInt(inputStr) > 0) {
435 | 			inputStr = parseInt(inputStr) - 1;
436 | 			if (document.selection && typeof(input.selectionStart) == "number" && input.selectionStart == input.selectionEnd) {
437 | 				if (input.value.match(/\n/g) != null) {
438 | 					number = input.value.match(/\n/g).length;// number of EOL simbols
439 | 				}
440 | 				if (number > 0) {
441 | 					for (var i = 0; i <= number; i++) {
442 | 						w = input.value.indexOf("\n", position);
443 | 						if (w != -1 && w <= inputStr) {
444 | 							position = w + 1;
445 | 							inputStr = parseInt(inputStr) + 1;
446 | 						} 
447 | 					}
448 | 				}
449 | 			}
450 | 		} 
451 | 		else if (parseInt(inputStr) < 0) {
452 | 			inputStr = parseInt(inputStr) + 1;
453 | 			if (document.selection && typeof(input.selectionStart) != "number") {
454 | 				inputStr = input.value.length + parseInt(inputStr);
455 | 				if (input.value.match(/\n/g) != null) {
456 | 					number = input.value.match(/\n/g).length;// number of EOL simbols
457 | 				}
458 | 				if (number > 0) {
459 | 					for (var i = 0; i <= number; i++) {
460 | 						w = input.value.indexOf("\n", position);
461 | 						if (w != -1 && w <= inputStr) {
462 | 							position = w + 1;
463 | 							inputStr = parseInt(inputStr) - 1;
464 | 							minus += 1;
465 | 						} 
466 | 					}
467 | 					inputStr = inputStr + minus - number;
468 | 				}
469 | 			} else if (document.selection && typeof(input.selectionStart) == "number") {
470 | 				inputStr = input.value.length + parseInt(inputStr);
471 | 				if (input.value.match(/\n/g) != null) {
472 | 					number = input.value.match(/\n/g).length;// number of EOL simbols
473 | 				}
474 | 				if (number > 0) {
475 | 					inputStr = parseInt(inputStr) - number;
476 | 					for (var i = 0; i <= number; i++) {
477 | 						w = input.value.indexOf("\n", position);
478 | 						if (w != -1 && w <= (inputStr)) {
479 | 							position = w + 1;
480 | 							inputStr = parseInt(inputStr) + 1;
481 | 							minus += 1;
482 | 						} 
483 | 					}
484 | 				}
485 | 			} else { inputStr = input.value.length + parseInt(inputStr); }
486 | 		} else { return this; }
487 | 		// IE
488 | 		if (document.selection && typeof(input.selectionStart) != "number") {
489 | 			s = document.selection.createRange();
490 | 			if (s.text != 0) {
491 | 				return this;
492 | 			}
493 | 			re = input.createTextRange();
494 | 			re.collapse(true);
495 | 			re.moveEnd('character', inputStr);
496 | 			re.moveStart('character', inputStr);
497 | 			re.select();
498 | 			caretPositionAmp = inputStr;
499 | 			
500 | 			return this;
501 | 		} else	if (typeof(input.selectionStart) == "number" && // MOZILLA support
502 | 				input.selectionStart == input.selectionEnd) {
503 | 			input.setSelectionRange(inputStr, inputStr); 
504 | 			return this;
505 | 		}
506 | 		return this;
507 | 		
508 | 	},	
509 | 
510 | 	countCharacters: function(str) {
511 | 		var input = this.jquery ? this[0] : this;
512 | 		if (input.value.match(/\r/g) != null) {
513 | 			return input.value.length - input.value.match(/\r/g).length;
514 | 		}
515 | 		return input.value.length;
516 | 	},
517 | 
518 | 	setMaxLength: function(max, f) {
519 | 		this.each(function() {
520 | 			var input = this.jquery ? this[0] : this;
521 | 			var type = input.type;
522 | 			var isSelected;	
523 | 			var maxCharacters;
524 | 			// remove limit if input is a negative number
525 | 			if (parseInt(max) < 0) {
526 | 				max=100000000;
527 | 			}
528 | 			if (type == "text") {
529 | 				input.maxLength = max;
530 | 			}
531 | 			if (type == "textarea" || type == "text") {
532 | 				input.onkeypress = function(e) {
533 | 					var spacesR = input.value.match(/\r/g);
534 | 					maxCharacters = max;
535 | 					if (spacesR != null) {
536 | 						maxCharacters = parseInt(maxCharacters) + spacesR.length;
537 | 					}
538 | 					// get event
539 | 					var key = e || event;
540 | 					var keyCode = key.keyCode;
541 | 					// check if any part of text is selected
542 | 					if (document.selection) {
543 | 						isSelected = document.selection.createRange().text.length > 0;
544 | 					} else {
545 | 						isSelected = input.selectionStart != input.selectionEnd;
546 | 					}
547 | 					if (input.value.length >= maxCharacters && (keyCode > 47 || keyCode == 32 ||
548 | 							keyCode == 0 || keyCode == 13) && !key.ctrlKey && !key.altKey && !isSelected) {
549 | 						input.value = input.value.substring(0,maxCharacters);
550 | 						if (typeof(f) == "function") { f() } //callback function
551 | 						return false;
552 | 					}
553 | 				}
554 | 				input.onkeyup = function() { 
555 | 					var spacesR = input.value.match(/\r/g);
556 | 					var plus = 0;
557 | 					var position = 0;
558 | 					maxCharacters = max;
559 | 					if (spacesR != null) {
560 | 						for (var i = 0; i <= spacesR.length; i++) {
561 | 							if (input.value.indexOf("\n", position) <= parseInt(max)) {
562 | 								plus++;
563 | 								position = input.value.indexOf("\n", position) + 1;
564 | 							}
565 | 						}
566 | 						maxCharacters = parseInt(max) + plus;
567 | 					} 
568 | 					if (input.value.length > maxCharacters) {  
569 | 						input.value = input.value.substring(0, maxCharacters); 
570 | 						if (typeof(f) == "function") { f() }
571 | 						return this;
572 | 					}
573 | 				}
574 | 			} else { return this; }
575 | 		})
576 | 		return this;
577 | 	}
578 | }); 
579 | 


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/jquery.asuggest.js:
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  1 | /*
  2 |  * jQuery textarea suggest plugin
  3 |  *
  4 |  * Copyright (c) 2009-2010 Roman Imankulov
  5 |  *
  6 |  * Dual licensed under the MIT and GPL licenses:
  7 |  *   http://www.opensource.org/licenses/mit-license.php
  8 |  *   http://www.gnu.org/licenses/gpl.html
  9 |  *
 10 |  * Requires:
 11 |  *   - jQuery (tested with 1.3.x and 1.4.x)
 12 |  *   - jquery.a-tools >= 1.4.1 (http://plugins.jquery.com/project/a-tools)
 13 |  */
 14 | 
 15 | /*globals jQuery,document */
 16 | 
 17 | (function ($) {
 18 |     // workaround for Opera browser
 19 |     if (navigator.userAgent.match(/opera/i)) {
 20 |         $(document).keypress(function (e) {
 21 |             if ($.asuggestFocused) {
 22 |                 $.asuggestFocused.focus();
 23 |                 $.asuggestFocused = null;
 24 |                 e.preventDefault();
 25 |                 e.stopPropagation();
 26 |             }
 27 |         });
 28 |     }
 29 | 
 30 |     $.asuggestKeys = {
 31 |         UNKNOWN: 0,
 32 |         SHIFT: 16,
 33 |         CTRL: 17,
 34 |         ALT: 18,
 35 |         LEFT: 37,
 36 |         UP: 38,
 37 |         RIGHT: 39,
 38 |         DOWN: 40,
 39 |         DEL: 46,
 40 |         TAB: 9,
 41 |         RETURN: 13,
 42 |         ESC: 27,
 43 |         COMMA: 188,
 44 |         PAGEUP: 33,
 45 |         PAGEDOWN: 34,
 46 |         BACKSPACE: 8,
 47 |         SPACE: 32
 48 |     };
 49 |     $.asuggestFocused = null;
 50 | 
 51 |     $.fn.asuggest = function (suggests, options) {
 52 |         return this.each(function () {
 53 |             $.makeSuggest(this, suggests, options);
 54 |         });
 55 |     };
 56 | 
 57 |     $.fn.asuggest.defaults = {
 58 |         'delimiters': '\n ',
 59 |         'minChunkSize': 1,
 60 |         'cycleOnTab': true,
 61 |         'autoComplete': true,
 62 |         'endingSymbols': ' ',
 63 |         'stopSuggestionKeys': [$.asuggestKeys.RETURN, $.asuggestKeys.SPACE],
 64 |         'ignoreCase': false
 65 |     };
 66 | 
 67 |     /* Make suggest:
 68 |      *
 69 |      * create and return jQuery object on the top of DOM object
 70 |      * and store suggests as part of this object
 71 |      *
 72 |      * @param area: HTML DOM element to add suggests to
 73 |      * @param suggests: The array of suggest strings
 74 |      * @param options: The options object
 75 |      */
 76 |     $.makeSuggest = function (area, suggests, options) {
 77 |         options = $.extend({}, $.fn.asuggest.defaults, options);
 78 | 
 79 |         var KEY = $.asuggestKeys,
 80 |             $area = $(area);
 81 |         $area.suggests = suggests;
 82 |         $area.options = options;
 83 | 
 84 |         /* Internal method: get the chunk of text before the cursor */
 85 |         $area.getChunk = function () {
 86 |             var delimiters = this.options.delimiters.split(''), // array of chars
 87 |                 textBeforeCursor = this.val().substr(0, this.getSelection().start),
 88 |                 indexOfDelimiter = -1,
 89 |                 i,
 90 |                 d,
 91 |                 idx;
 92 |             for (i = 0; i < delimiters.length; i++) {
 93 |                 d = delimiters[i];
 94 |                 idx = textBeforeCursor.lastIndexOf(d);
 95 |                 if (idx > indexOfDelimiter) {
 96 |                     indexOfDelimiter = idx;
 97 |                 }
 98 |             }
 99 |             if (indexOfDelimiter < 0) {
100 |                 return textBeforeCursor;
101 |             } else {
102 |                 return textBeforeCursor.substr(indexOfDelimiter + 1);
103 |             }
104 |         };
105 | 
106 |         /* Internal method: get completion.
107 |          * If performCycle is true then analyze getChunk() and and getSelection()
108 |          */
109 |         $area.getCompletion = function (performCycle) {
110 |             var text = this.getChunk(),
111 |                 selectionText = this.getSelection().text,
112 |                 suggests = this.suggests,
113 |                 foundAlreadySelectedValue = false,
114 |                 firstMatchedValue = null,
115 |                 i,
116 |                 suggest;
117 |             // search the variant
118 |             for (i = 0; i < suggests.length; i++) {
119 |                 suggest = suggests[i];
120 |                 if ($area.options.ignoreCase) {
121 |                     suggest = suggest.toLowerCase();
122 |                     text = text.toLowerCase();
123 |                 }
124 |                 // some variant is found
125 |                 if (suggest.indexOf(text) === 0) {
126 |                     if (performCycle) {
127 |                         if (text + selectionText === suggest) {
128 |                             foundAlreadySelectedValue = true;
129 |                         } else if (foundAlreadySelectedValue) {
130 |                             return suggest.substr(text.length);
131 |                         } else if (firstMatchedValue === null) {
132 |                             firstMatchedValue = suggest;
133 |                         }
134 |                     } else {
135 |                         return suggest.substr(text.length);
136 |                     }
137 |                 }
138 |             }
139 |             if (performCycle && firstMatchedValue) {
140 |                 return firstMatchedValue.substr(text.length);
141 |             } else {
142 |                 return null;
143 |             }
144 |         };
145 | 
146 |         $area.updateSelection = function (completion) {
147 |             if (completion) {
148 |                 var _selectionStart = $area.getSelection().start,
149 |                     _selectionEnd = _selectionStart + completion.length;
150 |                 if ($area.getSelection().text === "") {
151 |                     if ($area.val().length === _selectionStart) { // Weird IE workaround, I really have no idea why it works
152 |                         $area.setCaretPos(_selectionStart + 10000);
153 |                     }
154 |                     $area.insertAtCaretPos(completion);
155 |                 } else {
156 |                     $area.replaceSelection(completion);
157 |                 }
158 |                 $area.setSelection(_selectionStart, _selectionEnd);
159 |             }
160 |         };
161 | 
162 |         $area.unbind('keydown.asuggest').bind('keydown.asuggest', function (e) {
163 |             if (e.keyCode === KEY.TAB) {
164 |                 if ($area.options.cycleOnTab) {
165 |                     var chunk = $area.getChunk();
166 |                     if (chunk.length >= $area.options.minChunkSize) {
167 |                         $area.updateSelection($area.getCompletion(true));
168 |                     }
169 |                     e.preventDefault();
170 |                     e.stopPropagation();
171 |                     $area.focus();
172 |                     $.asuggestFocused = this;
173 |                     return false;
174 |                 }
175 |             }
176 |             // Check for conditions to stop suggestion
177 |             if ($area.getSelection().length &&
178 |                     $.inArray(e.keyCode, $area.options.stopSuggestionKeys) !== -1) {
179 |                 // apply suggestion. Clean up selection and insert a space
180 |                 var _selectionEnd = $area.getSelection().end +
181 |                         $area.options.endingSymbols.length;
182 |                 var _text = $area.getSelection().text +
183 |                         $area.options.endingSymbols;
184 |                 $area.replaceSelection(_text);
185 |                 $area.setSelection(_selectionEnd, _selectionEnd);
186 |                 e.preventDefault();
187 |                 e.stopPropagation();
188 |                 this.focus();
189 |                 $.asuggestFocused = this;
190 |                 return false;
191 |             }
192 |         });
193 | 
194 |         $area.unbind('keyup.asuggest').bind('keyup.asuggest', function (e) {
195 |             var hasSpecialKeys = e.altKey || e.metaKey || e.ctrlKey,
196 |                 hasSpecialKeysOrShift = hasSpecialKeys || e.shiftKey;
197 |             switch (e.keyCode) {
198 |             case KEY.UNKNOWN: // Special key released
199 |             case KEY.SHIFT:
200 |             case KEY.CTRL:
201 |             case KEY.ALT:
202 |             case KEY.RETURN: // we don't want to suggest when RETURN key has pressed (another IE workaround)
203 |                 break;
204 |             case KEY.TAB:
205 |                 if (!hasSpecialKeysOrShift && $area.options.cycleOnTab) {
206 |                     break;
207 |                 }
208 |             case KEY.ESC:
209 |             case KEY.BACKSPACE:
210 |             case KEY.DEL:
211 |             case KEY.UP:
212 |             case KEY.DOWN:
213 |             case KEY.LEFT:
214 |             case KEY.RIGHT:
215 |                 if (!hasSpecialKeysOrShift && $area.options.autoComplete) {
216 |                     $area.replaceSelection("");
217 |                 }
218 |                 break;
219 |             default:
220 |                 if (!hasSpecialKeys && $area.options.autoComplete) {
221 |                     var chunk = $area.getChunk();
222 |                     if (chunk.length >= $area.options.minChunkSize) {
223 |                         $area.updateSelection($area.getCompletion(false));
224 |                     }
225 |                 }
226 |                 break;
227 |             }
228 |         });
229 |         return $area;
230 |     };
231 | }(jQuery));
232 | 


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