// JavaScript Document
// Not sure if this group of functions go together.  They look as if they should! ;)
// Final Routine in this file is described as Spell Check with Quick Reply

function spellChecker( textObject ) {
this.popUpUrl = '/speller/spellchecker.html'; 
this.popUpName = 'spellchecker'; 
this.popUpProps = "menu=no,width=440,height=350,top=70,left=120,resizable=yes,status=yes"; 
this.spellCheckScript = '/speller/server-scripts/spellchecker.pl'; 
this.replWordFlag = "R"; 
this.ignrWordFlag = "I"; 
this.replAllFlag = "RA"; 
this.ignrAllFlag = "IA"; 
this.fromReplAll = "~RA"; 
this.fromIgnrAll = "~IA"; 
this.wordFlags = new Array(); 
this.currentTextIndex = 0; 
this.currentWordIndex = 0; 
this.spellCheckerWin = null; 
this.controlWin = null; 
this.wordWin = null; 
this.textArea = textObject; 
this.textInputs = arguments; 
this._spellcheck = _spellcheck; 
this._getSuggestions = _getSuggestions; 
this._setAsIgnored = _setAsIgnored; 
this._getTotalReplaced = _getTotalReplaced; 
this._setWordText = _setWordText; 
this._getFormInputs = _getFormInputs; 
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; 
window.speller = this;
}
function checkTextBoxes() {
this.textInputs = this._getFormInputs( "^text$" ); 
this.openChecker();
}
function checkTextAreas() { 
this.textInputs = this._getFormInputs( "^textarea$" ); 
this.openChecker();
}
function spellCheckAll() {
this.textInputs = this._getFormInputs( "^text(area)?$" );
this.openChecker();
}
function openChecker() { 
this.spellCheckerWin = window.open( this.popUpUrl, this.popUpName, this.popUpProps ); 
if( !this.spellCheckerWin.opener ) { 
this.spellCheckerWin.opener = window; 
}
}
function startCheck( wordWindowObj, controlWindowObj ) { 
this.wordWin = wordWindowObj; 
this.controlWin = controlWindowObj; 
this.wordWin.resetForm(); 
this.controlWin.resetForm(); 
this.currentTextIndex = 0; 
this.currentWordIndex = 0; 
this.wordFlags = new Array( this.wordWin.textInputs.length ); 
for( var i=0; i<this.wordFlags.length; i++ ) { 
this.wordFlags[i] = [];
} 
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; 
} 
if( this._setAsIgnored( ti, wi, this.ignrWordFlag )) {
this.currentWordIndex++; 
this._spellcheck(); 
}
}
function ignoreAll() { 
var wi = this.currentWordIndex; 
var ti = this.currentTextIndex; 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; 
}
this._setAsIgnored( ti, wi, this.ignrAllFlag ); 
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 ) {
if(( this.wordWin.getTextVal( i, j ) == s_word_to_repl ) && ( !this.wordFlags[i][j] )) { 
this._setAsIgnored( i, j, this.fromIgnrAll ); } 
} } } 
this.currentWordIndex++; 
this._spellcheck();}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; } 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(); 
} 
}}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; 
var newspell = new String( txt.value ); this._setWordText( ti, wi, newspell, this.replAllFlag );
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 ) { 
if(( this.wordWin.getTextVal( i, j ) == s_word_to_repl ) && ( !this.wordFlags[i][j] )) { 
this._setWordText( i, j, newspell, this.fromReplAll ); 
} 
} 
} 
} 
this.currentWordIndex++; 
this._spellcheck();}function terminateSpell() { 
var msg = "Spell check complete:\n\n"; 
var numrepl = this._getTotalReplaced(); if( numrepl == 0 ) { 
if( !this.wordWin ) { 
msg = ""; 
} else { 
if( this.wordWin.totalMisspellings() ) { 
msg += "No words changed."; 
} else { 
msg += "No misspellings found."; 
} 
} } else if( numrepl == 1 ) { 
msg += "One word changed."; 
} else { 
msg += numrepl + " words changed."; 
} 
if( msg ) { 
msg += "\n"; alert( msg ); 
} 
if( numrepl > 0 ) { 
for( var i = 0; i < this.textInputs.length; i++ ) { 
if( this.wordWin ) { 
if( this.wordWin.textInputs[i] ) { 
this.textInputs[i].value = this.wordWin.textInputs[i]; 
} 
} 
} 
} 
this.spellCheckerWin.close(); 
return true;
}function undo() { 
var ti = this.currentTextIndex; 
var wi = this.currentWordIndex; 
if( this.wordWin.totalPreviousWords( ti, wi ) > 0 ) { 
this.wordWin.removeFocus( ti, wi ); do { 
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( this.wordWin.totalPreviousWords( text_idx, idx ) == 0 ) { 
this.controlWin.disableUndo(); } 
switch( this.wordFlags[text_idx][idx] ) { 
case this.replAllFlag : 
for( var i = text_idx; i < this.wordWin.textInputs.length; i++ ) { 
for( var j = 0; j < this.wordWin.totalWords( i ); j++ ) {
if(( i == text_idx && j >= idx ) || i > text_idx ) { 
var origSpell = this.wordWin.originalSpellings[i][j]; 
if( origSpell == preReplSpell ) { 
this._setWordText ( i, j, origSpell, undefined ); 
} 
} 
} 
} 
break; 
case this.ignrAllFlag : 
for( var i = text_idx; i < this.wordWin.textInputs.length; i++ ) { 
for( var j = 0; j < this.wordWin.totalWords( i ); j++ ) { 
if(( i == text_idx && j >= idx ) || i > text_idx ) { 
var origSpell = this.wordWin.originalSpellings[i][j]; 
if( origSpell == preReplSpell ) { 
this.wordFlags[i][j] = undefined; 
} 
} 
} 
} 
break; 
case this.replWordFlag : 
this._setWordText ( text_idx, idx, preReplSpell, undefined ); 
break; } 
this.wordFlags[text_idx][idx] = undefined; 
this._spellcheck(); }}function _spellcheck() { 
var ww = this.wordWin; 
if( this.currentWordIndex == ww.totalWords( this.currentTextIndex) ) { 
this.currentTextIndex++; 
this.currentWordIndex = 0; 
if( this.currentTextIndex < this.wordWin.textInputs.length ) { 
this._spellcheck(); 
return; 
} else { 
this.terminateSpell(); 
return; 
} 
} 
if( this.currentWordIndex > 0 ) { 
this.controlWin.enableUndo(); 
} 
if( this.wordFlags[this.currentTextIndex][this.currentWordIndex] ) { 
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(); 
var a_suggests = this.wordWin.suggestions[text_num][word_num]; 
if( a_suggests ) { 
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 ) { 
this.wordWin.removeFocus( text_num, word_num ); 
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 ) { 
this.wordWin.setText( text_num, word_num, newText ); 
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;
}
function openSpellCheck(){ 
if(document.postForm)
var speller = new spellChecker(document.postForm.subject,document.postForm.message);
else
var speller = new spellChecker(document.getElementsByName('message')[0]); 
speller.openChecker();
}


/* spell check with quick reply */
var mes = document.getElementsByName('message');
if(mes[0] && !document.postForm) {
var qrForm = mes[0].parentNode;
var pre = document.createElement('font');
pre.innerHTML = '<input type="button" value="Spell Check" onclick="openSpellCheck();">';
qrForm.insertBefore(pre, qrForm.lastChild.previousSibling)
}