tools/side_chain_tool/web/node_modules/jquery/src/attributes/val.js

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