1 | //////////////////////////////////////////////////// |
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2 | // wordWindow object |
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3 | //////////////////////////////////////////////////// |
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4 | function wordWindow() { |
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5 | // private properties |
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6 | this._forms = []; |
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7 | |
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8 | // private methods |
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9 | this._getWordObject = _getWordObject; |
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10 | //this._getSpellerObject = _getSpellerObject; |
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11 | this._wordInputStr = _wordInputStr; |
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12 | this._adjustIndexes = _adjustIndexes; |
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13 | this._isWordChar = _isWordChar; |
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14 | this._lastPos = _lastPos; |
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15 | |
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16 | // public properties |
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17 | this.wordChar = /[a-zA-Z]/; |
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18 | this.windowType = "wordWindow"; |
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19 | this.originalSpellings = new Array(); |
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20 | this.suggestions = new Array(); |
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21 | this.checkWordBgColor = "pink"; |
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22 | this.normWordBgColor = "white"; |
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23 | this.text = ""; |
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24 | this.textInputs = new Array(); |
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25 | this.indexes = new Array(); |
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26 | //this.speller = this._getSpellerObject(); |
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27 | |
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28 | // public methods |
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29 | this.resetForm = resetForm; |
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30 | this.totalMisspellings = totalMisspellings; |
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31 | this.totalWords = totalWords; |
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32 | this.totalPreviousWords = totalPreviousWords; |
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33 | //this.getTextObjectArray = getTextObjectArray; |
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34 | this.getTextVal = getTextVal; |
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35 | this.setFocus = setFocus; |
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36 | this.removeFocus = removeFocus; |
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37 | this.setText = setText; |
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38 | //this.getTotalWords = getTotalWords; |
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39 | this.writeBody = writeBody; |
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40 | this.printForHtml = printForHtml; |
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41 | } |
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42 | |
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43 | function resetForm() { |
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44 | if( this._forms ) { |
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45 | for( var i = 0; i < this._forms.length; i++ ) { |
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46 | this._forms[i].reset(); |
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47 | } |
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48 | } |
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49 | return true; |
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50 | } |
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51 | |
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52 | function totalMisspellings() { |
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53 | var total_words = 0; |
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54 | for( var i = 0; i < this.textInputs.length; i++ ) { |
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55 | total_words += this.totalWords( i ); |
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56 | } |
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57 | return total_words; |
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58 | } |
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59 | |
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60 | function totalWords( textIndex ) { |
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61 | return this.originalSpellings[textIndex].length; |
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62 | } |
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63 | |
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64 | function totalPreviousWords( textIndex, wordIndex ) { |
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65 | var total_words = 0; |
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66 | for( var i = 0; i <= textIndex; i++ ) { |
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67 | for( var j = 0; j < this.totalWords( i ); j++ ) { |
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68 | if( i == textIndex && j == wordIndex ) { |
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69 | break; |
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70 | } else { |
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71 | total_words++; |
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72 | } |
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73 | } |
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74 | } |
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75 | return total_words; |
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76 | } |
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77 | |
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78 | //function getTextObjectArray() { |
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79 | // return this._form.elements; |
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80 | //} |
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81 | |
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82 | function getTextVal( textIndex, wordIndex ) { |
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83 | var word = this._getWordObject( textIndex, wordIndex ); |
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84 | if( word ) { |
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85 | return word.value; |
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86 | } |
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87 | } |
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88 | |
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89 | function setFocus( textIndex, wordIndex ) { |
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90 | var word = this._getWordObject( textIndex, wordIndex ); |
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91 | if( word ) { |
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92 | if( word.type == "text" ) { |
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93 | word.focus(); |
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94 | word.style.backgroundColor = this.checkWordBgColor; |
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95 | } |
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96 | } |
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97 | } |
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98 | |
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99 | function removeFocus( textIndex, wordIndex ) { |
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100 | var word = this._getWordObject( textIndex, wordIndex ); |
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101 | if( word ) { |
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102 | if( word.type == "text" ) { |
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103 | word.blur(); |
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104 | word.style.backgroundColor = this.normWordBgColor; |
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105 | } |
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106 | } |
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107 | } |
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108 | |
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109 | function setText( textIndex, wordIndex, newText ) { |
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110 | var word = this._getWordObject( textIndex, wordIndex ); |
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111 | var beginStr; |
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112 | var endStr; |
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113 | if( word ) { |
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114 | var pos = this.indexes[textIndex][wordIndex]; |
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115 | var oldText = word.value; |
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116 | // update the text given the index of the string |
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117 | beginStr = this.textInputs[textIndex].substring( 0, pos ); |
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118 | endStr = this.textInputs[textIndex].substring( |
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119 | pos + oldText.length, |
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120 | this.textInputs[textIndex].length |
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121 | ); |
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122 | this.textInputs[textIndex] = beginStr + newText + endStr; |
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123 | |
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124 | // adjust the indexes on the stack given the differences in |
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125 | // length between the new word and old word. |
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126 | var lengthDiff = newText.length - oldText.length; |
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127 | this._adjustIndexes( textIndex, wordIndex, lengthDiff ); |
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128 | |
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129 | word.size = newText.length; |
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130 | word.value = newText; |
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131 | this.removeFocus( textIndex, wordIndex ); |
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132 | } |
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133 | } |
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134 | |
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135 | |
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136 | function writeBody() { |
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137 | var d = window.document; |
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138 | var is_html = false; |
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139 | |
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140 | d.open(); |
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141 | |
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142 | // iterate through each text input. |
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143 | for( var txtid = 0; txtid < this.textInputs.length; txtid++ ) { |
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144 | var end_idx = 0; |
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145 | var begin_idx = 0; |
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146 | d.writeln( '<form name="textInput'+txtid+'">' ); |
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147 | var wordtxt = this.textInputs[txtid]; |
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148 | this.indexes[txtid] = []; |
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149 | |
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150 | if( wordtxt ) { |
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151 | var orig = this.originalSpellings[txtid]; |
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152 | if( !orig ) break; |
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153 | |
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154 | //!!! plain text, or HTML mode? |
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155 | d.writeln( '<div class="plainText">' ); |
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156 | // iterate through each occurrence of a misspelled word. |
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157 | for( var i = 0; i < orig.length; i++ ) { |
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158 | // find the position of the current misspelled word, |
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159 | // starting at the last misspelled word. |
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160 | // and keep looking if it's a substring of another word |
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161 | do { |
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162 | begin_idx = wordtxt.indexOf( orig[i], end_idx ); |
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163 | end_idx = begin_idx + orig[i].length; |
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164 | // word not found? messed up! |
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165 | if( begin_idx == -1 ) break; |
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166 | // look at the characters immediately before and after |
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167 | // the word. If they are word characters we'll keep looking. |
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168 | var before_char = wordtxt.charAt( begin_idx - 1 ); |
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169 | var after_char = wordtxt.charAt( end_idx ); |
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170 | } while ( |
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171 | this._isWordChar( before_char ) |
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172 | || this._isWordChar( after_char ) |
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173 | ); |
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174 | |
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175 | // keep track of its position in the original text. |
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176 | this.indexes[txtid][i] = begin_idx; |
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177 | |
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178 | // write out the characters before the current misspelled word |
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179 | for( var j = this._lastPos( txtid, i ); j < begin_idx; j++ ) { |
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180 | // !!! html mode? make it html compatible |
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181 | d.write( this.printForHtml( wordtxt.charAt( j ))); |
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182 | } |
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183 | |
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184 | // write out the misspelled word. |
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185 | d.write( this._wordInputStr( orig[i] )); |
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186 | |
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187 | // if it's the last word, write out the rest of the text |
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188 | if( i == orig.length-1 ){ |
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189 | d.write( printForHtml( wordtxt.substr( end_idx ))); |
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190 | } |
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191 | } |
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192 | |
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193 | d.writeln( '</div>' ); |
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194 | |
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195 | } |
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196 | d.writeln( '</form>' ); |
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197 | } |
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198 | //for ( var j = 0; j < d.forms.length; j++ ) { |
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199 | // alert( d.forms[j].name ); |
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200 | // for( var k = 0; k < d.forms[j].elements.length; k++ ) { |
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201 | // alert( d.forms[j].elements[k].name + ": " + d.forms[j].elements[k].value ); |
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202 | // } |
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203 | //} |
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204 | |
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205 | // set the _forms property |
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206 | this._forms = d.forms; |
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207 | d.close(); |
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208 | } |
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209 | |
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210 | // return the character index in the full text after the last word we evaluated |
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211 | function _lastPos( txtid, idx ) { |
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212 | if( idx > 0 ) |
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213 | return this.indexes[txtid][idx-1] + this.originalSpellings[txtid][idx-1].length; |
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214 | else |
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215 | return 0; |
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216 | } |
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217 | |
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218 | function printForHtml( n ) { |
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219 | return n ; // by FredCK |
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220 | |
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221 | var htmlstr = n; |
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222 | if( htmlstr.length == 1 ) { |
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223 | // do simple case statement if it's just one character |
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224 | switch ( n ) { |
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225 | case "\n": |
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226 | htmlstr = '<br/>'; |
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227 | break; |
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228 | case "<": |
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229 | htmlstr = '<'; |
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230 | break; |
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231 | case ">": |
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232 | htmlstr = '>'; |
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233 | break; |
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234 | } |
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235 | return htmlstr; |
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236 | } else { |
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237 | htmlstr = htmlstr.replace( /</g, '<' ); |
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238 | htmlstr = htmlstr.replace( />/g, '>' ); |
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239 | htmlstr = htmlstr.replace( /\n/g, '<br/>' ); |
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240 | return htmlstr; |
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241 | } |
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242 | } |
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243 | |
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244 | function _isWordChar( letter ) { |
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245 | if( letter.search( this.wordChar ) == -1 ) { |
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246 | return false; |
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247 | } else { |
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248 | return true; |
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249 | } |
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250 | } |
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251 | |
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252 | function _getWordObject( textIndex, wordIndex ) { |
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253 | if( this._forms[textIndex] ) { |
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254 | if( this._forms[textIndex].elements[wordIndex] ) { |
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255 | return this._forms[textIndex].elements[wordIndex]; |
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256 | } |
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257 | } |
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258 | return null; |
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259 | } |
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260 | |
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261 | function _wordInputStr( word ) { |
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262 | var str = '<input readonly '; |
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263 | str += 'class="blend" type="text" value="' + word + '" size="' + word.length + '">'; |
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264 | return str; |
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265 | } |
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266 | |
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267 | function _adjustIndexes( textIndex, wordIndex, lengthDiff ) { |
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268 | for( var i = wordIndex + 1; i < this.originalSpellings[textIndex].length; i++ ) { |
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269 | this.indexes[textIndex][i] = this.indexes[textIndex][i] + lengthDiff; |
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270 | } |
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271 | } |
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