272 lines
7.2 KiB
JavaScript
272 lines
7.2 KiB
JavaScript
////////////////////////////////////////////////////
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// wordWindow object
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////////////////////////////////////////////////////
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function wordWindow() {
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// private properties
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this._forms = [];
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// private methods
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this._getWordObject = _getWordObject;
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//this._getSpellerObject = _getSpellerObject;
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this._wordInputStr = _wordInputStr;
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this._adjustIndexes = _adjustIndexes;
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this._isWordChar = _isWordChar;
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this._lastPos = _lastPos;
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// public properties
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this.wordChar = /[a-zA-Z]/;
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this.windowType = "wordWindow";
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this.originalSpellings = new Array();
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this.suggestions = new Array();
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this.checkWordBgColor = "pink";
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this.normWordBgColor = "white";
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this.text = "";
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this.textInputs = new Array();
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this.indexes = new Array();
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//this.speller = this._getSpellerObject();
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// public methods
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this.resetForm = resetForm;
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this.totalMisspellings = totalMisspellings;
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this.totalWords = totalWords;
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this.totalPreviousWords = totalPreviousWords;
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//this.getTextObjectArray = getTextObjectArray;
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this.getTextVal = getTextVal;
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this.setFocus = setFocus;
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this.removeFocus = removeFocus;
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this.setText = setText;
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//this.getTotalWords = getTotalWords;
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this.writeBody = writeBody;
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this.printForHtml = printForHtml;
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}
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function resetForm() {
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if( this._forms ) {
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for( var i = 0; i < this._forms.length; i++ ) {
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this._forms[i].reset();
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}
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}
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return true;
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}
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function totalMisspellings() {
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var total_words = 0;
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for( var i = 0; i < this.textInputs.length; i++ ) {
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total_words += this.totalWords( i );
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}
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return total_words;
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}
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function totalWords( textIndex ) {
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return this.originalSpellings[textIndex].length;
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}
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function totalPreviousWords( textIndex, wordIndex ) {
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var total_words = 0;
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for( var i = 0; i <= textIndex; i++ ) {
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for( var j = 0; j < this.totalWords( i ); j++ ) {
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if( i == textIndex && j == wordIndex ) {
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break;
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} else {
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total_words++;
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}
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}
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}
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return total_words;
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}
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//function getTextObjectArray() {
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// return this._form.elements;
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//}
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function getTextVal( textIndex, wordIndex ) {
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var word = this._getWordObject( textIndex, wordIndex );
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if( word ) {
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return word.value;
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}
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}
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function setFocus( textIndex, wordIndex ) {
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var word = this._getWordObject( textIndex, wordIndex );
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if( word ) {
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if( word.type == "text" ) {
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word.focus();
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word.style.backgroundColor = this.checkWordBgColor;
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}
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}
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}
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function removeFocus( textIndex, wordIndex ) {
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var word = this._getWordObject( textIndex, wordIndex );
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if( word ) {
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if( word.type == "text" ) {
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word.blur();
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word.style.backgroundColor = this.normWordBgColor;
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}
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}
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}
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function setText( textIndex, wordIndex, newText ) {
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var word = this._getWordObject( textIndex, wordIndex );
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var beginStr;
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var endStr;
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if( word ) {
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var pos = this.indexes[textIndex][wordIndex];
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var oldText = word.value;
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// update the text given the index of the string
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beginStr = this.textInputs[textIndex].substring( 0, pos );
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endStr = this.textInputs[textIndex].substring(
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pos + oldText.length,
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this.textInputs[textIndex].length
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);
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this.textInputs[textIndex] = beginStr + newText + endStr;
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// adjust the indexes on the stack given the differences in
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// length between the new word and old word.
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var lengthDiff = newText.length - oldText.length;
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this._adjustIndexes( textIndex, wordIndex, lengthDiff );
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word.size = newText.length;
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word.value = newText;
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this.removeFocus( textIndex, wordIndex );
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}
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}
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function writeBody() {
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var d = window.document;
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var is_html = false;
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d.open();
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// iterate through each text input.
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for( var txtid = 0; txtid < this.textInputs.length; txtid++ ) {
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var end_idx = 0;
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var begin_idx = 0;
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d.writeln( '<form name="textInput'+txtid+'">' );
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var wordtxt = this.textInputs[txtid];
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this.indexes[txtid] = [];
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if( wordtxt ) {
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var orig = this.originalSpellings[txtid];
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if( !orig ) break;
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//!!! plain text, or HTML mode?
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d.writeln( '<div class="plainText">' );
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// iterate through each occurrence of a misspelled word.
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for( var i = 0; i < orig.length; i++ ) {
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// find the position of the current misspelled word,
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// starting at the last misspelled word.
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// and keep looking if it's a substring of another word
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do {
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begin_idx = wordtxt.indexOf( orig[i], end_idx );
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end_idx = begin_idx + orig[i].length;
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// word not found? messed up!
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if( begin_idx == -1 ) break;
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// look at the characters immediately before and after
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// the word. If they are word characters we'll keep looking.
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var before_char = wordtxt.charAt( begin_idx - 1 );
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var after_char = wordtxt.charAt( end_idx );
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} while (
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this._isWordChar( before_char )
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|| this._isWordChar( after_char )
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);
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// keep track of its position in the original text.
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this.indexes[txtid][i] = begin_idx;
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// write out the characters before the current misspelled word
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for( var j = this._lastPos( txtid, i ); j < begin_idx; j++ ) {
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// !!! html mode? make it html compatible
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d.write( this.printForHtml( wordtxt.charAt( j )));
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}
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// write out the misspelled word.
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d.write( this._wordInputStr( orig[i] ));
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// if it's the last word, write out the rest of the text
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if( i == orig.length-1 ){
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d.write( printForHtml( wordtxt.substr( end_idx )));
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}
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}
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d.writeln( '</div>' );
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}
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d.writeln( '</form>' );
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}
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//for ( var j = 0; j < d.forms.length; j++ ) {
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// alert( d.forms[j].name );
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// for( var k = 0; k < d.forms[j].elements.length; k++ ) {
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// alert( d.forms[j].elements[k].name + ": " + d.forms[j].elements[k].value );
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// }
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//}
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// set the _forms property
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this._forms = d.forms;
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d.close();
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}
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// return the character index in the full text after the last word we evaluated
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function _lastPos( txtid, idx ) {
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if( idx > 0 )
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return this.indexes[txtid][idx-1] + this.originalSpellings[txtid][idx-1].length;
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else
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return 0;
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}
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function printForHtml( n ) {
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return n ; // by FredCK
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/*
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var htmlstr = n;
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if( htmlstr.length == 1 ) {
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// do simple case statement if it's just one character
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switch ( n ) {
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case "\n":
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htmlstr = '<br/>';
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break;
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case "<":
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htmlstr = '<';
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break;
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case ">":
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htmlstr = '>';
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break;
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}
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return htmlstr;
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} else {
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htmlstr = htmlstr.replace( /</g, '<' );
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htmlstr = htmlstr.replace( />/g, '>' );
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htmlstr = htmlstr.replace( /\n/g, '<br/>' );
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return htmlstr;
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}
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*/
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}
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function _isWordChar( letter ) {
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if( letter.search( this.wordChar ) == -1 ) {
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return false;
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} else {
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return true;
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}
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}
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function _getWordObject( textIndex, wordIndex ) {
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if( this._forms[textIndex] ) {
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if( this._forms[textIndex].elements[wordIndex] ) {
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return this._forms[textIndex].elements[wordIndex];
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}
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}
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return null;
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}
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function _wordInputStr( word ) {
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var str = '<input readonly ';
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str += 'class="blend" type="text" value="' + word + '" size="' + word.length + '">';
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return str;
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}
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function _adjustIndexes( textIndex, wordIndex, lengthDiff ) {
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for( var i = wordIndex + 1; i < this.originalSpellings[textIndex].length; i++ ) {
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this.indexes[textIndex][i] = this.indexes[textIndex][i] + lengthDiff;
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}
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}
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