Subversion Repositories Applications.papyrus

////////////////////////////////////////////////////

// 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;

}