spellChecker.js
上传用户:dbstep
上传日期:2022-08-06
资源大小:2803k
文件大小:14k
源码类别:
WEB源码(ASP,PHP,...)
开发平台:
ASP/ASPX
- ////////////////////////////////////////////////////
- // spellChecker.js
- //
- // spellChecker object
- //
- // This file is sourced on web pages that have a textarea object to evaluate
- // for spelling. It includes the implementation for the spellCheckObject.
- //
- ////////////////////////////////////////////////////
- // constructor
- function spellChecker( textObject ) {
- // public properties - configurable
- // this.popUpUrl = '/speller/spellchecker.html'; // by FredCK
- this.popUpUrl = 'fck_spellerpages/spellerpages/spellchecker.html'; // by FredCK
- this.popUpName = 'spellchecker';
- // this.popUpProps = "menu=no,width=440,height=350,top=70,left=120,resizable=yes,status=yes"; // by FredCK
- this.popUpProps = null ; // by FredCK
- // this.spellCheckScript = '/speller/server-scripts/spellchecker.php'; // by FredCK
- //this.spellCheckScript = '/cgi-bin/spellchecker.pl';
- // values used to keep track of what happened to a word
- this.replWordFlag = "R"; // single replace
- this.ignrWordFlag = "I"; // single ignore
- this.replAllFlag = "RA"; // replace all occurances
- this.ignrAllFlag = "IA"; // ignore all occurances
- this.fromReplAll = "~RA"; // an occurance of a "replace all" word
- this.fromIgnrAll = "~IA"; // an occurance of a "ignore all" word
- // properties set at run time
- this.wordFlags = new Array();
- this.currentTextIndex = 0;
- this.currentWordIndex = 0;
- this.spellCheckerWin = null;
- this.controlWin = null;
- this.wordWin = null;
- this.textArea = textObject; // deprecated
- this.textInputs = arguments;
- // private methods
- this._spellcheck = _spellcheck;
- this._getSuggestions = _getSuggestions;
- this._setAsIgnored = _setAsIgnored;
- this._getTotalReplaced = _getTotalReplaced;
- this._setWordText = _setWordText;
- this._getFormInputs = _getFormInputs;
- // public methods
- this.openChecker = openChecker;
- this.startCheck = startCheck;
- this.checkTextBoxes = checkTextBoxes;
- this.checkTextAreas = checkTextAreas;
- this.spellCheckAll = spellCheckAll;
- this.ignoreWord = ignoreWord;
- this.ignoreAll = ignoreAll;
- this.replaceWord = replaceWord;
- this.replaceAll = replaceAll;
- this.terminateSpell = terminateSpell;
- this.undo = undo;
- // set the current window's "speller" property to the instance of this class.
- // this object can now be referenced by child windows/frames.
- window.speller = this;
- }
- // call this method to check all text boxes (and only text boxes) in the HTML document
- function checkTextBoxes() {
- this.textInputs = this._getFormInputs( "^text$" );
- this.openChecker();
- }
- // call this method to check all textareas (and only textareas ) in the HTML document
- function checkTextAreas() {
- this.textInputs = this._getFormInputs( "^textarea$" );
- this.openChecker();
- }
- // call this method to check all text boxes and textareas in the HTML document
- function spellCheckAll() {
- this.textInputs = this._getFormInputs( "^text(area)?$" );
- this.openChecker();
- }
- // call this method to check text boxe(s) and/or textarea(s) that were passed in to the
- // object's constructor or to the textInputs property
- function openChecker() {
- this.spellCheckerWin = window.open( this.popUpUrl, this.popUpName, this.popUpProps );
- if( !this.spellCheckerWin.opener ) {
- this.spellCheckerWin.opener = window;
- }
- }
- function startCheck( wordWindowObj, controlWindowObj ) {
- // set properties from args
- this.wordWin = wordWindowObj;
- this.controlWin = controlWindowObj;
- // reset properties
- this.wordWin.resetForm();
- this.controlWin.resetForm();
- this.currentTextIndex = 0;
- this.currentWordIndex = 0;
- // initialize the flags to an array - one element for each text input
- this.wordFlags = new Array( this.wordWin.textInputs.length );
- // each element will be an array that keeps track of each word in the text
- for( var i=0; i<this.wordFlags.length; i++ ) {
- this.wordFlags[i] = [];
- }
- // start
- this._spellcheck();
- return true;
- }
- function ignoreWord() {
- var wi = this.currentWordIndex;
- var ti = this.currentTextIndex;
- if( !this.wordWin ) {
- alert( 'Error: Word frame not available.' );
- return false;
- }
- if( !this.wordWin.getTextVal( ti, wi )) {
- alert( 'Error: "Not in dictionary" text is missing.' );
- return false;
- }
- // set as ignored
- if( this._setAsIgnored( ti, wi, this.ignrWordFlag )) {
- this.currentWordIndex++;
- this._spellcheck();
- }
- return true;
- }
- function ignoreAll() {
- var wi = this.currentWordIndex;
- var ti = this.currentTextIndex;
- if( !this.wordWin ) {
- alert( 'Error: Word frame not available.' );
- return false;
- }
- // get the word that is currently being evaluated.
- var s_word_to_repl = this.wordWin.getTextVal( ti, wi );
- if( !s_word_to_repl ) {
- alert( 'Error: "Not in dictionary" text is missing' );
- return false;
- }
- // set this word as an "ignore all" word.
- this._setAsIgnored( ti, wi, this.ignrAllFlag );
- // loop through all the words after this word
- for( var i = ti; i < this.wordWin.textInputs.length; i++ ) {
- for( var j = 0; j < this.wordWin.totalWords( i ); j++ ) {
- if(( i == ti && j > wi ) || i > ti ) {
- // future word: set as "from ignore all" if
- // 1) do not already have a flag and
- // 2) have the same value as current word
- if(( this.wordWin.getTextVal( i, j ) == s_word_to_repl )
- && ( !this.wordFlags[i][j] )) {
- this._setAsIgnored( i, j, this.fromIgnrAll );
- }
- }
- }
- }
- // finally, move on
- this.currentWordIndex++;
- this._spellcheck();
- return true;
- }
- function replaceWord() {
- var wi = this.currentWordIndex;
- var ti = this.currentTextIndex;
- if( !this.wordWin ) {
- alert( 'Error: Word frame not available.' );
- return false;
- }
- if( !this.wordWin.getTextVal( ti, wi )) {
- alert( 'Error: "Not in dictionary" text is missing' );
- return false;
- }
- if( !this.controlWin.replacementText ) {
- return false ;
- }
- var txt = this.controlWin.replacementText;
- if( txt.value ) {
- var newspell = new String( txt.value );
- if( this._setWordText( ti, wi, newspell, this.replWordFlag )) {
- this.currentWordIndex++;
- this._spellcheck();
- }
- }
- return true;
- }
- function replaceAll() {
- var ti = this.currentTextIndex;
- var wi = this.currentWordIndex;
- if( !this.wordWin ) {
- alert( 'Error: Word frame not available.' );
- return false;
- }
- var s_word_to_repl = this.wordWin.getTextVal( ti, wi );
- if( !s_word_to_repl ) {
- alert( 'Error: "Not in dictionary" text is missing' );
- return false;
- }
- var txt = this.controlWin.replacementText;
- if( !txt.value ) return false;
- var newspell = new String( txt.value );
- // set this word as a "replace all" word.
- this._setWordText( ti, wi, newspell, this.replAllFlag );
- // loop through all the words after this word
- for( var i = ti; i < this.wordWin.textInputs.length; i++ ) {
- for( var j = 0; j < this.wordWin.totalWords( i ); j++ ) {
- if(( i == ti && j > wi ) || i > ti ) {
- // future word: set word text to s_word_to_repl if
- // 1) do not already have a flag and
- // 2) have the same value as s_word_to_repl
- if(( this.wordWin.getTextVal( i, j ) == s_word_to_repl )
- && ( !this.wordFlags[i][j] )) {
- this._setWordText( i, j, newspell, this.fromReplAll );
- }
- }
- }
- }
- // finally, move on
- this.currentWordIndex++;
- this._spellcheck();
- return true;
- }
- function terminateSpell() {
- // called when we have reached the end of the spell checking.
- var msg = ""; // by FredCK
- var numrepl = this._getTotalReplaced();
- if( numrepl == 0 ) {
- // see if there were no misspellings to begin with
- if( !this.wordWin ) {
- msg = "";
- } else {
- if( this.wordWin.totalMisspellings() ) {
- // msg += "No words changed."; // by FredCK
- msg += FCKLang.DlgSpellNoChanges ; // by FredCK
- } else {
- // msg += "No misspellings found."; // by FredCK
- msg += FCKLang.DlgSpellNoMispell ; // by FredCK
- }
- }
- } else if( numrepl == 1 ) {
- // msg += "One word changed."; // by FredCK
- msg += FCKLang.DlgSpellOneChange ; // by FredCK
- } else {
- // msg += numrepl + " words changed."; // by FredCK
- msg += FCKLang.DlgSpellManyChanges.replace( /%1/g, numrepl ) ;
- }
- if( msg ) {
- // msg += "n"; // by FredCK
- alert( msg );
- }
- if( numrepl > 0 ) {
- // update the text field(s) on the opener window
- for( var i = 0; i < this.textInputs.length; i++ ) {
- // this.textArea.value = this.wordWin.text;
- if( this.wordWin ) {
- if( this.wordWin.textInputs[i] ) {
- this.textInputs[i].value = this.wordWin.textInputs[i];
- }
- }
- }
- }
- // return back to the calling window
- // this.spellCheckerWin.close(); // by FredCK
- if ( typeof( this.OnFinished ) == 'function' ) // by FredCK
- this.OnFinished(numrepl) ; // by FredCK
- return true;
- }
- function undo() {
- // skip if this is the first word!
- var ti = this.currentTextIndex;
- var wi = this.currentWordIndex;
- if( this.wordWin.totalPreviousWords( ti, wi ) > 0 ) {
- this.wordWin.removeFocus( ti, wi );
- // go back to the last word index that was acted upon
- do {
- // if the current word index is zero then reset the seed
- if( this.currentWordIndex == 0 && this.currentTextIndex > 0 ) {
- this.currentTextIndex--;
- this.currentWordIndex = this.wordWin.totalWords( this.currentTextIndex )-1;
- if( this.currentWordIndex < 0 ) this.currentWordIndex = 0;
- } else {
- if( this.currentWordIndex > 0 ) {
- this.currentWordIndex--;
- }
- }
- } while (
- this.wordWin.totalWords( this.currentTextIndex ) == 0
- || this.wordFlags[this.currentTextIndex][this.currentWordIndex] == this.fromIgnrAll
- || this.wordFlags[this.currentTextIndex][this.currentWordIndex] == this.fromReplAll
- );
- var text_idx = this.currentTextIndex;
- var idx = this.currentWordIndex;
- var preReplSpell = this.wordWin.originalSpellings[text_idx][idx];
- // if we got back to the first word then set the Undo button back to disabled
- if( this.wordWin.totalPreviousWords( text_idx, idx ) == 0 ) {
- this.controlWin.disableUndo();
- }
- var i, j, origSpell ;
- // examine what happened to this current word.
- switch( this.wordFlags[text_idx][idx] ) {
- // replace all: go through this and all the future occurances of the word
- // and revert them all to the original spelling and clear their flags
- case this.replAllFlag :
- for( i = text_idx; i < this.wordWin.textInputs.length; i++ ) {
- for( j = 0; j < this.wordWin.totalWords( i ); j++ ) {
- if(( i == text_idx && j >= idx ) || i > text_idx ) {
- origSpell = this.wordWin.originalSpellings[i][j];
- if( origSpell == preReplSpell ) {
- this._setWordText ( i, j, origSpell, undefined );
- }
- }
- }
- }
- break;
- // ignore all: go through all the future occurances of the word
- // and clear their flags
- case this.ignrAllFlag :
- for( i = text_idx; i < this.wordWin.textInputs.length; i++ ) {
- for( j = 0; j < this.wordWin.totalWords( i ); j++ ) {
- if(( i == text_idx && j >= idx ) || i > text_idx ) {
- origSpell = this.wordWin.originalSpellings[i][j];
- if( origSpell == preReplSpell ) {
- this.wordFlags[i][j] = undefined;
- }
- }
- }
- }
- break;
- // replace: revert the word to its original spelling
- case this.replWordFlag :
- this._setWordText ( text_idx, idx, preReplSpell, undefined );
- break;
- }
- // For all four cases, clear the wordFlag of this word. re-start the process
- this.wordFlags[text_idx][idx] = undefined;
- this._spellcheck();
- }
- }
- function _spellcheck() {
- var ww = this.wordWin;
- // check if this is the last word in the current text element
- if( this.currentWordIndex == ww.totalWords( this.currentTextIndex) ) {
- this.currentTextIndex++;
- this.currentWordIndex = 0;
- // keep going if we're not yet past the last text element
- if( this.currentTextIndex < this.wordWin.textInputs.length ) {
- this._spellcheck();
- return;
- } else {
- this.terminateSpell();
- return;
- }
- }
- // if this is after the first one make sure the Undo button is enabled
- if( this.currentWordIndex > 0 ) {
- this.controlWin.enableUndo();
- }
- // skip the current word if it has already been worked on
- if( this.wordFlags[this.currentTextIndex][this.currentWordIndex] ) {
- // increment the global current word index and move on.
- this.currentWordIndex++;
- this._spellcheck();
- } else {
- var evalText = ww.getTextVal( this.currentTextIndex, this.currentWordIndex );
- if( evalText ) {
- this.controlWin.evaluatedText.value = evalText;
- ww.setFocus( this.currentTextIndex, this.currentWordIndex );
- this._getSuggestions( this.currentTextIndex, this.currentWordIndex );
- }
- }
- }
- function _getSuggestions( text_num, word_num ) {
- this.controlWin.clearSuggestions();
- // add suggestion in list for each suggested word.
- // get the array of suggested words out of the
- // three-dimensional array containing all suggestions.
- var a_suggests = this.wordWin.suggestions[text_num][word_num];
- if( a_suggests ) {
- // got an array of suggestions.
- for( var ii = 0; ii < a_suggests.length; ii++ ) {
- this.controlWin.addSuggestion( a_suggests[ii] );
- }
- }
- this.controlWin.selectDefaultSuggestion();
- }
- function _setAsIgnored( text_num, word_num, flag ) {
- // set the UI
- this.wordWin.removeFocus( text_num, word_num );
- // do the bookkeeping
- this.wordFlags[text_num][word_num] = flag;
- return true;
- }
- function _getTotalReplaced() {
- var i_replaced = 0;
- for( var i = 0; i < this.wordFlags.length; i++ ) {
- for( var j = 0; j < this.wordFlags[i].length; j++ ) {
- if(( this.wordFlags[i][j] == this.replWordFlag )
- || ( this.wordFlags[i][j] == this.replAllFlag )
- || ( this.wordFlags[i][j] == this.fromReplAll )) {
- i_replaced++;
- }
- }
- }
- return i_replaced;
- }
- function _setWordText( text_num, word_num, newText, flag ) {
- // set the UI and form inputs
- this.wordWin.setText( text_num, word_num, newText );
- // keep track of what happened to this word:
- this.wordFlags[text_num][word_num] = flag;
- return true;
- }
- function _getFormInputs( inputPattern ) {
- var inputs = new Array();
- for( var i = 0; i < document.forms.length; i++ ) {
- for( var j = 0; j < document.forms[i].elements.length; j++ ) {
- if( document.forms[i].elements[j].type.match( inputPattern )) {
- inputs[inputs.length] = document.forms[i].elements[j];
- }
- }
- }
- return inputs;
- }