1 /** |
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2 * $Id: validate.js 758 2008-03-30 13:53:29Z spocke $ |
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3 * |
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4 * Various form validation methods. |
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5 * |
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6 * @author Moxiecode |
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7 * @copyright Copyright © 2004-2008, Moxiecode Systems AB, All rights reserved. |
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8 */ |
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9 |
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10 /** |
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11 // String validation: |
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12 |
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13 if (!Validator.isEmail('myemail')) |
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14 alert('Invalid email.'); |
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15 |
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16 // Form validation: |
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17 |
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18 var f = document.forms['myform']; |
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19 |
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20 if (!Validator.isEmail(f.myemail)) |
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21 alert('Invalid email.'); |
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22 */ |
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23 |
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24 var Validator = { |
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25 isEmail : function(s) { |
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26 return this.test(s, '^[-!#$%&\'*+\\./0-9=?A-Z^_`a-z{|}~]+@[-!#$%&\'*+\\/0-9=?A-Z^_`a-z{|}~]+\.[-!#$%&\'*+\\./0-9=?A-Z^_`a-z{|}~]+$'); |
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27 }, |
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28 |
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29 isAbsUrl : function(s) { |
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30 return this.test(s, '^(news|telnet|nttp|file|http|ftp|https)://[-A-Za-z0-9\\.]+\\/?.*$'); |
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31 }, |
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32 |
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33 isSize : function(s) { |
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34 return this.test(s, '^[0-9]+(%|in|cm|mm|em|ex|pt|pc|px)?$'); |
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35 }, |
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36 |
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37 isId : function(s) { |
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38 return this.test(s, '^[A-Za-z_]([A-Za-z0-9_])*$'); |
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39 }, |
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40 |
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41 isEmpty : function(s) { |
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42 var nl, i; |
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43 |
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44 if (s.nodeName == 'SELECT' && s.selectedIndex < 1) |
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45 return true; |
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46 |
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47 if (s.type == 'checkbox' && !s.checked) |
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48 return true; |
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49 |
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50 if (s.type == 'radio') { |
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51 for (i=0, nl = s.form.elements; i<nl.length; i++) { |
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52 if (nl[i].type == "radio" && nl[i].name == s.name && nl[i].checked) |
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53 return false; |
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54 } |
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55 |
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56 return true; |
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57 } |
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58 |
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59 return new RegExp('^\\s*$').test(s.nodeType == 1 ? s.value : s); |
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60 }, |
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61 |
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62 isNumber : function(s, d) { |
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63 return !isNaN(s.nodeType == 1 ? s.value : s) && (!d || !this.test(s, '^-?[0-9]*\\.[0-9]*$')); |
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64 }, |
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65 |
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66 test : function(s, p) { |
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67 s = s.nodeType == 1 ? s.value : s; |
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68 |
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69 return s == '' || new RegExp(p).test(s); |
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70 } |
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71 }; |
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72 |
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73 var AutoValidator = { |
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74 settings : { |
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75 id_cls : 'id', |
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76 int_cls : 'int', |
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77 url_cls : 'url', |
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78 number_cls : 'number', |
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79 email_cls : 'email', |
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80 size_cls : 'size', |
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81 required_cls : 'required', |
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82 invalid_cls : 'invalid', |
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83 min_cls : 'min', |
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84 max_cls : 'max' |
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85 }, |
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86 |
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87 init : function(s) { |
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88 var n; |
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89 |
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90 for (n in s) |
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91 this.settings[n] = s[n]; |
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92 }, |
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93 |
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94 validate : function(f) { |
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95 var i, nl, s = this.settings, c = 0; |
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96 |
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97 nl = this.tags(f, 'label'); |
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98 for (i=0; i<nl.length; i++) |
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99 this.removeClass(nl[i], s.invalid_cls); |
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100 |
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101 c += this.validateElms(f, 'input'); |
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102 c += this.validateElms(f, 'select'); |
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103 c += this.validateElms(f, 'textarea'); |
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104 |
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105 return c == 3; |
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106 }, |
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107 |
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108 invalidate : function(n) { |
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109 this.mark(n.form, n); |
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110 }, |
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111 |
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112 reset : function(e) { |
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113 var t = ['label', 'input', 'select', 'textarea']; |
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114 var i, j, nl, s = this.settings; |
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115 |
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116 if (e == null) |
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117 return; |
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118 |
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119 for (i=0; i<t.length; i++) { |
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120 nl = this.tags(e.form ? e.form : e, t[i]); |
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121 for (j=0; j<nl.length; j++) |
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122 this.removeClass(nl[j], s.invalid_cls); |
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123 } |
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124 }, |
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125 |
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126 validateElms : function(f, e) { |
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127 var nl, i, n, s = this.settings, st = true, va = Validator, v; |
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128 |
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129 nl = this.tags(f, e); |
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130 for (i=0; i<nl.length; i++) { |
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131 n = nl[i]; |
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132 |
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133 this.removeClass(n, s.invalid_cls); |
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134 |
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135 if (this.hasClass(n, s.required_cls) && va.isEmpty(n)) |
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136 st = this.mark(f, n); |
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137 |
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138 if (this.hasClass(n, s.number_cls) && !va.isNumber(n)) |
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139 st = this.mark(f, n); |
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140 |
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141 if (this.hasClass(n, s.int_cls) && !va.isNumber(n, true)) |
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142 st = this.mark(f, n); |
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143 |
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144 if (this.hasClass(n, s.url_cls) && !va.isAbsUrl(n)) |
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145 st = this.mark(f, n); |
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146 |
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147 if (this.hasClass(n, s.email_cls) && !va.isEmail(n)) |
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148 st = this.mark(f, n); |
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149 |
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150 if (this.hasClass(n, s.size_cls) && !va.isSize(n)) |
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151 st = this.mark(f, n); |
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152 |
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153 if (this.hasClass(n, s.id_cls) && !va.isId(n)) |
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154 st = this.mark(f, n); |
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155 |
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156 if (this.hasClass(n, s.min_cls, true)) { |
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157 v = this.getNum(n, s.min_cls); |
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158 |
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159 if (isNaN(v) || parseInt(n.value) < parseInt(v)) |
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160 st = this.mark(f, n); |
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161 } |
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162 |
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163 if (this.hasClass(n, s.max_cls, true)) { |
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164 v = this.getNum(n, s.max_cls); |
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165 |
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166 if (isNaN(v) || parseInt(n.value) > parseInt(v)) |
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167 st = this.mark(f, n); |
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168 } |
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169 } |
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170 |
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171 return st; |
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172 }, |
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173 |
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174 hasClass : function(n, c, d) { |
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175 return new RegExp('\\b' + c + (d ? '[0-9]+' : '') + '\\b', 'g').test(n.className); |
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176 }, |
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177 |
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178 getNum : function(n, c) { |
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179 c = n.className.match(new RegExp('\\b' + c + '([0-9]+)\\b', 'g'))[0]; |
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180 c = c.replace(/[^0-9]/g, ''); |
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181 |
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182 return c; |
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183 }, |
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184 |
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185 addClass : function(n, c, b) { |
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186 var o = this.removeClass(n, c); |
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187 n.className = b ? c + (o != '' ? (' ' + o) : '') : (o != '' ? (o + ' ') : '') + c; |
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188 }, |
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189 |
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190 removeClass : function(n, c) { |
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191 c = n.className.replace(new RegExp("(^|\\s+)" + c + "(\\s+|$)"), ' '); |
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192 return n.className = c != ' ' ? c : ''; |
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193 }, |
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194 |
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195 tags : function(f, s) { |
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196 return f.getElementsByTagName(s); |
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197 }, |
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198 |
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199 mark : function(f, n) { |
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200 var s = this.settings; |
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201 |
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202 this.addClass(n, s.invalid_cls); |
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203 this.markLabels(f, n, s.invalid_cls); |
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204 |
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205 return false; |
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206 }, |
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207 |
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208 markLabels : function(f, n, ic) { |
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209 var nl, i; |
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210 |
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211 nl = this.tags(f, "label"); |
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212 for (i=0; i<nl.length; i++) { |
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213 if (nl[i].getAttribute("for") == n.id || nl[i].htmlFor == n.id) |
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214 this.addClass(nl[i], ic); |
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215 } |
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216 |
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217 return null; |
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218 } |
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219 }; |
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