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