source: trunk/admin/inc/FCKeditor/editor/dialog/fck_spellerpages/spellerpages/spellChecker.js@ 2

Last change on this file since 2 was 2, checked in by root, 15 years ago

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1////////////////////////////////////////////////////
2// spellChecker.js
3//
4// spellChecker object
5//
6// This file is sourced on web pages that have a textarea object to evaluate
7// for spelling. It includes the implementation for the spellCheckObject.
8//
9////////////////////////////////////////////////////
10
11
12// constructor
13function spellChecker( textObject ) {
14
15 // public properties - configurable
16// this.popUpUrl = '/speller/spellchecker.html'; // by FredCK
17 this.popUpUrl = 'fck_spellerpages/spellerpages/spellchecker.html'; // by FredCK
18 this.popUpName = 'spellchecker';
19// this.popUpProps = "menu=no,width=440,height=350,top=70,left=120,resizable=yes,status=yes"; // by FredCK
20 this.popUpProps = null ; // by FredCK
21// this.spellCheckScript = '/speller/server-scripts/spellchecker.php'; // by FredCK
22 this.spellCheckScript = 'server-scripts/spellchecker.php'; // by FredCK
23 //this.spellCheckScript = '/cgi-bin/spellchecker.pl';
24
25 // values used to keep track of what happened to a word
26 this.replWordFlag = "R"; // single replace
27 this.ignrWordFlag = "I"; // single ignore
28 this.replAllFlag = "RA"; // replace all occurances
29 this.ignrAllFlag = "IA"; // ignore all occurances
30 this.fromReplAll = "~RA"; // an occurance of a "replace all" word
31 this.fromIgnrAll = "~IA"; // an occurance of a "ignore all" word
32 // properties set at run time
33 this.wordFlags = new Array();
34 this.currentTextIndex = 0;
35 this.currentWordIndex = 0;
36 this.spellCheckerWin = null;
37 this.controlWin = null;
38 this.wordWin = null;
39 this.textArea = textObject; // deprecated
40 this.textInputs = arguments;
41
42 // private methods
43 this._spellcheck = _spellcheck;
44 this._getSuggestions = _getSuggestions;
45 this._setAsIgnored = _setAsIgnored;
46 this._getTotalReplaced = _getTotalReplaced;
47 this._setWordText = _setWordText;
48 this._getFormInputs = _getFormInputs;
49
50 // public methods
51 this.openChecker = openChecker;
52 this.startCheck = startCheck;
53 this.checkTextBoxes = checkTextBoxes;
54 this.checkTextAreas = checkTextAreas;
55 this.spellCheckAll = spellCheckAll;
56 this.ignoreWord = ignoreWord;
57 this.ignoreAll = ignoreAll;
58 this.replaceWord = replaceWord;
59 this.replaceAll = replaceAll;
60 this.terminateSpell = terminateSpell;
61 this.undo = undo;
62
63 // set the current window's "speller" property to the instance of this class.
64 // this object can now be referenced by child windows/frames.
65 window.speller = this;
66}
67
68// call this method to check all text boxes (and only text boxes) in the HTML document
69function checkTextBoxes() {
70 this.textInputs = this._getFormInputs( "^text$" );
71 this.openChecker();
72}
73
74// call this method to check all textareas (and only textareas ) in the HTML document
75function checkTextAreas() {
76 this.textInputs = this._getFormInputs( "^textarea$" );
77 this.openChecker();
78}
79
80// call this method to check all text boxes and textareas in the HTML document
81function spellCheckAll() {
82 this.textInputs = this._getFormInputs( "^text(area)?$" );
83 this.openChecker();
84}
85
86// call this method to check text boxe(s) and/or textarea(s) that were passed in to the
87// object's constructor or to the textInputs property
88function openChecker() {
89 this.spellCheckerWin = window.open( this.popUpUrl, this.popUpName, this.popUpProps );
90 if( !this.spellCheckerWin.opener ) {
91 this.spellCheckerWin.opener = window;
92 }
93}
94
95function startCheck( wordWindowObj, controlWindowObj ) {
96
97 // set properties from args
98 this.wordWin = wordWindowObj;
99 this.controlWin = controlWindowObj;
100
101 // reset properties
102 this.wordWin.resetForm();
103 this.controlWin.resetForm();
104 this.currentTextIndex = 0;
105 this.currentWordIndex = 0;
106 // initialize the flags to an array - one element for each text input
107 this.wordFlags = new Array( this.wordWin.textInputs.length );
108 // each element will be an array that keeps track of each word in the text
109 for( var i=0; i<this.wordFlags.length; i++ ) {
110 this.wordFlags[i] = [];
111 }
112
113 // start
114 this._spellcheck();
115
116 return true;
117}
118
119function ignoreWord() {
120 var wi = this.currentWordIndex;
121 var ti = this.currentTextIndex;
122 if( !this.wordWin ) {
123 alert( 'Error: Word frame not available.' );
124 return false;
125 }
126 if( !this.wordWin.getTextVal( ti, wi )) {
127 alert( 'Error: "Not in dictionary" text is missing.' );
128 return false;
129 }
130 // set as ignored
131 if( this._setAsIgnored( ti, wi, this.ignrWordFlag )) {
132 this.currentWordIndex++;
133 this._spellcheck();
134 }
135}
136
137function ignoreAll() {
138 var wi = this.currentWordIndex;
139 var ti = this.currentTextIndex;
140 if( !this.wordWin ) {
141 alert( 'Error: Word frame not available.' );
142 return false;
143 }
144 // get the word that is currently being evaluated.
145 var s_word_to_repl = this.wordWin.getTextVal( ti, wi );
146 if( !s_word_to_repl ) {
147 alert( 'Error: "Not in dictionary" text is missing' );
148 return false;
149 }
150
151 // set this word as an "ignore all" word.
152 this._setAsIgnored( ti, wi, this.ignrAllFlag );
153
154 // loop through all the words after this word
155 for( var i = ti; i < this.wordWin.textInputs.length; i++ ) {
156 for( var j = 0; j < this.wordWin.totalWords( i ); j++ ) {
157 if(( i == ti && j > wi ) || i > ti ) {
158 // future word: set as "from ignore all" if
159 // 1) do not already have a flag and
160 // 2) have the same value as current word
161 if(( this.wordWin.getTextVal( i, j ) == s_word_to_repl )
162 && ( !this.wordFlags[i][j] )) {
163 this._setAsIgnored( i, j, this.fromIgnrAll );
164 }
165 }
166 }
167 }
168
169 // finally, move on
170 this.currentWordIndex++;
171 this._spellcheck();
172}
173
174function replaceWord() {
175 var wi = this.currentWordIndex;
176 var ti = this.currentTextIndex;
177 if( !this.wordWin ) {
178 alert( 'Error: Word frame not available.' );
179 return false;
180 }
181 if( !this.wordWin.getTextVal( ti, wi )) {
182 alert( 'Error: "Not in dictionary" text is missing' );
183 return false;
184 }
185 if( !this.controlWin.replacementText ) {
186 return;
187 }
188 var txt = this.controlWin.replacementText;
189 if( txt.value ) {
190 var newspell = new String( txt.value );
191 if( this._setWordText( ti, wi, newspell, this.replWordFlag )) {
192 this.currentWordIndex++;
193 this._spellcheck();
194 }
195 }
196}
197
198function replaceAll() {
199 var ti = this.currentTextIndex;
200 var wi = this.currentWordIndex;
201 if( !this.wordWin ) {
202 alert( 'Error: Word frame not available.' );
203 return false;
204 }
205 var s_word_to_repl = this.wordWin.getTextVal( ti, wi );
206 if( !s_word_to_repl ) {
207 alert( 'Error: "Not in dictionary" text is missing' );
208 return false;
209 }
210 var txt = this.controlWin.replacementText;
211 if( !txt.value ) return;
212 var newspell = new String( txt.value );
213
214 // set this word as a "replace all" word.
215 this._setWordText( ti, wi, newspell, this.replAllFlag );
216
217 // loop through all the words after this word
218 for( var i = ti; i < this.wordWin.textInputs.length; i++ ) {
219 for( var j = 0; j < this.wordWin.totalWords( i ); j++ ) {
220 if(( i == ti && j > wi ) || i > ti ) {
221 // future word: set word text to s_word_to_repl if
222 // 1) do not already have a flag and
223 // 2) have the same value as s_word_to_repl
224 if(( this.wordWin.getTextVal( i, j ) == s_word_to_repl )
225 && ( !this.wordFlags[i][j] )) {
226 this._setWordText( i, j, newspell, this.fromReplAll );
227 }
228 }
229 }
230 }
231
232 // finally, move on
233 this.currentWordIndex++;
234 this._spellcheck();
235}
236
237function terminateSpell() {
238 // called when we have reached the end of the spell checking.
239 var msg = ""; // by FredCK
240 var numrepl = this._getTotalReplaced();
241 if( numrepl == 0 ) {
242 // see if there were no misspellings to begin with
243 if( !this.wordWin ) {
244 msg = "";
245 } else {
246 if( this.wordWin.totalMisspellings() ) {
247// msg += "No words changed."; // by FredCK
248 msg += FCKLang.DlgSpellNoChanges ; // by FredCK
249 } else {
250// msg += "No misspellings found."; // by FredCK
251 msg += FCKLang.DlgSpellNoMispell ; // by FredCK
252 }
253 }
254 } else if( numrepl == 1 ) {
255// msg += "One word changed."; // by FredCK
256 msg += FCKLang.DlgSpellOneChange ; // by FredCK
257 } else {
258// msg += numrepl + " words changed."; // by FredCK
259 msg += FCKLang.DlgSpellManyChanges.replace( /%1/g, numrepl ) ;
260 }
261 if( msg ) {
262// msg += "\n"; // by FredCK
263 alert( msg );
264 }
265
266 if( numrepl > 0 ) {
267 // update the text field(s) on the opener window
268 for( var i = 0; i < this.textInputs.length; i++ ) {
269 // this.textArea.value = this.wordWin.text;
270 if( this.wordWin ) {
271 if( this.wordWin.textInputs[i] ) {
272 this.textInputs[i].value = this.wordWin.textInputs[i];
273 }
274 }
275 }
276 }
277
278 // return back to the calling window
279// this.spellCheckerWin.close(); // by FredCK
280 if ( typeof( this.OnFinished ) == 'function' ) // by FredCK
281 this.OnFinished(numrepl) ; // by FredCK
282
283 return true;
284}
285
286function undo() {
287 // skip if this is the first word!
288 var ti = this.currentTextIndex;
289 var wi = this.currentWordIndex
290
291 if( this.wordWin.totalPreviousWords( ti, wi ) > 0 ) {
292 this.wordWin.removeFocus( ti, wi );
293
294 // go back to the last word index that was acted upon
295 do {
296 // if the current word index is zero then reset the seed
297 if( this.currentWordIndex == 0 && this.currentTextIndex > 0 ) {
298 this.currentTextIndex--;
299 this.currentWordIndex = this.wordWin.totalWords( this.currentTextIndex )-1;
300 if( this.currentWordIndex < 0 ) this.currentWordIndex = 0;
301 } else {
302 if( this.currentWordIndex > 0 ) {
303 this.currentWordIndex--;
304 }
305 }
306 } while (
307 this.wordWin.totalWords( this.currentTextIndex ) == 0
308 || this.wordFlags[this.currentTextIndex][this.currentWordIndex] == this.fromIgnrAll
309 || this.wordFlags[this.currentTextIndex][this.currentWordIndex] == this.fromReplAll
310 );
311
312 var text_idx = this.currentTextIndex;
313 var idx = this.currentWordIndex;
314 var preReplSpell = this.wordWin.originalSpellings[text_idx][idx];
315
316 // if we got back to the first word then set the Undo button back to disabled
317 if( this.wordWin.totalPreviousWords( text_idx, idx ) == 0 ) {
318 this.controlWin.disableUndo();
319 }
320
321 // examine what happened to this current word.
322 switch( this.wordFlags[text_idx][idx] ) {
323 // replace all: go through this and all the future occurances of the word
324 // and revert them all to the original spelling and clear their flags
325 case this.replAllFlag :
326 for( var i = text_idx; i < this.wordWin.textInputs.length; i++ ) {
327 for( var j = 0; j < this.wordWin.totalWords( i ); j++ ) {
328 if(( i == text_idx && j >= idx ) || i > text_idx ) {
329 var origSpell = this.wordWin.originalSpellings[i][j];
330 if( origSpell == preReplSpell ) {
331 this._setWordText ( i, j, origSpell, undefined );
332 }
333 }
334 }
335 }
336 break;
337
338 // ignore all: go through all the future occurances of the word
339 // and clear their flags
340 case this.ignrAllFlag :
341 for( var i = text_idx; i < this.wordWin.textInputs.length; i++ ) {
342 for( var j = 0; j < this.wordWin.totalWords( i ); j++ ) {
343 if(( i == text_idx && j >= idx ) || i > text_idx ) {
344 var origSpell = this.wordWin.originalSpellings[i][j];
345 if( origSpell == preReplSpell ) {
346 this.wordFlags[i][j] = undefined;
347 }
348 }
349 }
350 }
351 break;
352
353 // replace: revert the word to its original spelling
354 case this.replWordFlag :
355 this._setWordText ( text_idx, idx, preReplSpell, undefined );
356 break;
357 }
358
359 // For all four cases, clear the wordFlag of this word. re-start the process
360 this.wordFlags[text_idx][idx] = undefined;
361 this._spellcheck();
362 }
363}
364
365function _spellcheck() {
366 var ww = this.wordWin;
367
368 // check if this is the last word in the current text element
369 if( this.currentWordIndex == ww.totalWords( this.currentTextIndex) ) {
370 this.currentTextIndex++;
371 this.currentWordIndex = 0;
372 // keep going if we're not yet past the last text element
373 if( this.currentTextIndex < this.wordWin.textInputs.length ) {
374 this._spellcheck();
375 return;
376 } else {
377 this.terminateSpell();
378 return;
379 }
380 }
381
382 // if this is after the first one make sure the Undo button is enabled
383 if( this.currentWordIndex > 0 ) {
384 this.controlWin.enableUndo();
385 }
386
387 // skip the current word if it has already been worked on
388 if( this.wordFlags[this.currentTextIndex][this.currentWordIndex] ) {
389 // increment the global current word index and move on.
390 this.currentWordIndex++;
391 this._spellcheck();
392 } else {
393 var evalText = ww.getTextVal( this.currentTextIndex, this.currentWordIndex );
394 if( evalText ) {
395 this.controlWin.evaluatedText.value = evalText;
396 ww.setFocus( this.currentTextIndex, this.currentWordIndex );
397 this._getSuggestions( this.currentTextIndex, this.currentWordIndex );
398 }
399 }
400}
401
402function _getSuggestions( text_num, word_num ) {
403 this.controlWin.clearSuggestions();
404 // add suggestion in list for each suggested word.
405 // get the array of suggested words out of the
406 // three-dimensional array containing all suggestions.
407 var a_suggests = this.wordWin.suggestions[text_num][word_num];
408 if( a_suggests ) {
409 // got an array of suggestions.
410 for( var ii = 0; ii < a_suggests.length; ii++ ) {
411 this.controlWin.addSuggestion( a_suggests[ii] );
412 }
413 }
414 this.controlWin.selectDefaultSuggestion();
415}
416
417function _setAsIgnored( text_num, word_num, flag ) {
418 // set the UI
419 this.wordWin.removeFocus( text_num, word_num );
420 // do the bookkeeping
421 this.wordFlags[text_num][word_num] = flag;
422 return true;
423}
424
425function _getTotalReplaced() {
426 var i_replaced = 0;
427 for( var i = 0; i < this.wordFlags.length; i++ ) {
428 for( var j = 0; j < this.wordFlags[i].length; j++ ) {
429 if(( this.wordFlags[i][j] == this.replWordFlag )
430 || ( this.wordFlags[i][j] == this.replAllFlag )
431 || ( this.wordFlags[i][j] == this.fromReplAll )) {
432 i_replaced++;
433 }
434 }
435 }
436 return i_replaced;
437}
438
439function _setWordText( text_num, word_num, newText, flag ) {
440 // set the UI and form inputs
441 this.wordWin.setText( text_num, word_num, newText );
442 // keep track of what happened to this word:
443 this.wordFlags[text_num][word_num] = flag;
444 return true;
445}
446
447function _getFormInputs( inputPattern ) {
448 var inputs = new Array();
449 for( var i = 0; i < document.forms.length; i++ ) {
450 for( var j = 0; j < document.forms[i].elements.length; j++ ) {
451 if( document.forms[i].elements[j].type.match( inputPattern )) {
452 inputs[inputs.length] = document.forms[i].elements[j];
453 }
454 }
455 }
456 return inputs;
457}
458
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