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1 define( [
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2 "../core",
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3 "../core/stripAndCollapse",
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4 "./support",
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5 "../core/nodeName",
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6 "../var/isFunction",
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7
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8 "../core/init"
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9 ], function( jQuery, stripAndCollapse, support, nodeName, isFunction ) {
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10
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11 "use strict";
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12
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13 var rreturn = /\r/g;
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14
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15 jQuery.fn.extend( {
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16 val: function( value ) {
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17 var hooks, ret, valueIsFunction,
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18 elem = this[ 0 ];
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19
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20 if ( !arguments.length ) {
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21 if ( elem ) {
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22 hooks = jQuery.valHooks[ elem.type ] ||
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23 jQuery.valHooks[ elem.nodeName.toLowerCase() ];
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24
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25 if ( hooks &&
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26 "get" in hooks &&
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27 ( ret = hooks.get( elem, "value" ) ) !== undefined
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28 ) {
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29 return ret;
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30 }
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31
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32 ret = elem.value;
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33
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34 // Handle most common string cases
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35 if ( typeof ret === "string" ) {
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36 return ret.replace( rreturn, "" );
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37 }
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38
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39 // Handle cases where value is null/undef or number
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40 return ret == null ? "" : ret;
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41 }
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42
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43 return;
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44 }
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45
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46 valueIsFunction = isFunction( value );
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47
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48 return this.each( function( i ) {
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49 var val;
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50
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51 if ( this.nodeType !== 1 ) {
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52 return;
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53 }
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54
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55 if ( valueIsFunction ) {
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56 val = value.call( this, i, jQuery( this ).val() );
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57 } else {
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58 val = value;
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59 }
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60
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61 // Treat null/undefined as ""; convert numbers to string
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62 if ( val == null ) {
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63 val = "";
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64
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65 } else if ( typeof val === "number" ) {
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66 val += "";
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67
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68 } else if ( Array.isArray( val ) ) {
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69 val = jQuery.map( val, function( value ) {
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70 return value == null ? "" : value + "";
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71 } );
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72 }
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73
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74 hooks = jQuery.valHooks[ this.type ] || jQuery.valHooks[ this.nodeName.toLowerCase() ];
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75
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76 // If set returns undefined, fall back to normal setting
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77 if ( !hooks || !( "set" in hooks ) || hooks.set( this, val, "value" ) === undefined ) {
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78 this.value = val;
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79 }
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80 } );
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81 }
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82 } );
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83
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84 jQuery.extend( {
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85 valHooks: {
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86 option: {
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87 get: function( elem ) {
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88
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89 var val = jQuery.find.attr( elem, "value" );
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90 return val != null ?
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91 val :
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92
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93 // Support: IE <=10 - 11 only
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94 // option.text throws exceptions (#14686, #14858)
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95 // Strip and collapse whitespace
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96 // https://html.spec.whatwg.org/#strip-and-collapse-whitespace
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97 stripAndCollapse( jQuery.text( elem ) );
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98 }
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99 },
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100 select: {
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101 get: function( elem ) {
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102 var value, option, i,
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103 options = elem.options,
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104 index = elem.selectedIndex,
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105 one = elem.type === "select-one",
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106 values = one ? null : [],
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107 max = one ? index + 1 : options.length;
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108
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109 if ( index < 0 ) {
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110 i = max;
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111
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112 } else {
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113 i = one ? index : 0;
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114 }
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115
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116 // Loop through all the selected options
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117 for ( ; i < max; i++ ) {
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118 option = options[ i ];
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119
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120 // Support: IE <=9 only
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121 // IE8-9 doesn't update selected after form reset (#2551)
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122 if ( ( option.selected || i === index ) &&
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123
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124 // Don't return options that are disabled or in a disabled optgroup
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125 !option.disabled &&
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126 ( !option.parentNode.disabled ||
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127 !nodeName( option.parentNode, "optgroup" ) ) ) {
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128
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129 // Get the specific value for the option
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130 value = jQuery( option ).val();
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131
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132 // We don't need an array for one selects
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133 if ( one ) {
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134 return value;
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135 }
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136
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137 // Multi-Selects return an array
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138 values.push( value );
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139 }
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140 }
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141
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142 return values;
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143 },
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144
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145 set: function( elem, value ) {
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146 var optionSet, option,
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147 options = elem.options,
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148 values = jQuery.makeArray( value ),
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149 i = options.length;
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150
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151 while ( i-- ) {
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152 option = options[ i ];
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153
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154 /* eslint-disable no-cond-assign */
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155
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156 if ( option.selected =
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157 jQuery.inArray( jQuery.valHooks.option.get( option ), values ) > -1
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158 ) {
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159 optionSet = true;
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160 }
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161
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162 /* eslint-enable no-cond-assign */
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163 }
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164
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165 // Force browsers to behave consistently when non-matching value is set
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166 if ( !optionSet ) {
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167 elem.selectedIndex = -1;
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168 }
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169 return values;
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170 }
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171 }
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172 }
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173 } );
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174
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175 // Radios and checkboxes getter/setter
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176 jQuery.each( [ "radio", "checkbox" ], function() {
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177 jQuery.valHooks[ this ] = {
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178 set: function( elem, value ) {
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179 if ( Array.isArray( value ) ) {
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180 return ( elem.checked = jQuery.inArray( jQuery( elem ).val(), value ) > -1 );
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181 }
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182 }
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183 };
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184 if ( !support.checkOn ) {
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185 jQuery.valHooks[ this ].get = function( elem ) {
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186 return elem.getAttribute( "value" ) === null ? "on" : elem.value;
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187 };
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188 }
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189 } );
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190
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191 } );
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