162 lines
3.7 KiB
JavaScript
162 lines
3.7 KiB
JavaScript
define([
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"../core",
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"./support",
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"../core/init"
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], function( jQuery, support ) {
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var rreturn = /\r/g;
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jQuery.fn.extend({
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val: function( value ) {
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var hooks, ret, isFunction,
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elem = this[0];
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if ( !arguments.length ) {
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if ( elem ) {
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hooks = jQuery.valHooks[ elem.type ] || jQuery.valHooks[ elem.nodeName.toLowerCase() ];
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if ( hooks && "get" in hooks && (ret = hooks.get( elem, "value" )) !== undefined ) {
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return ret;
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}
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ret = elem.value;
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return typeof ret === "string" ?
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// Handle most common string cases
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ret.replace(rreturn, "") :
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// Handle cases where value is null/undef or number
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ret == null ? "" : ret;
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}
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return;
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}
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isFunction = jQuery.isFunction( value );
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return this.each(function( i ) {
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var val;
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if ( this.nodeType !== 1 ) {
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return;
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}
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if ( isFunction ) {
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val = value.call( this, i, jQuery( this ).val() );
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} else {
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val = value;
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}
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// Treat null/undefined as ""; convert numbers to string
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if ( val == null ) {
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val = "";
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} else if ( typeof val === "number" ) {
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val += "";
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} else if ( jQuery.isArray( val ) ) {
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val = jQuery.map( val, function( value ) {
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return value == null ? "" : value + "";
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});
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}
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hooks = jQuery.valHooks[ this.type ] || jQuery.valHooks[ this.nodeName.toLowerCase() ];
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// If set returns undefined, fall back to normal setting
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if ( !hooks || !("set" in hooks) || hooks.set( this, val, "value" ) === undefined ) {
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this.value = val;
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}
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});
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}
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});
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jQuery.extend({
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valHooks: {
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option: {
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get: function( elem ) {
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var val = jQuery.find.attr( elem, "value" );
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return val != null ?
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val :
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// Support: IE10-11+
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// option.text throws exceptions (#14686, #14858)
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jQuery.trim( jQuery.text( elem ) );
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}
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},
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select: {
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get: function( elem ) {
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var value, option,
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options = elem.options,
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index = elem.selectedIndex,
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one = elem.type === "select-one" || index < 0,
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values = one ? null : [],
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max = one ? index + 1 : options.length,
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i = index < 0 ?
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max :
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one ? index : 0;
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// Loop through all the selected options
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for ( ; i < max; i++ ) {
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option = options[ i ];
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// IE6-9 doesn't update selected after form reset (#2551)
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if ( ( option.selected || i === index ) &&
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// Don't return options that are disabled or in a disabled optgroup
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( support.optDisabled ? !option.disabled : option.getAttribute( "disabled" ) === null ) &&
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( !option.parentNode.disabled || !jQuery.nodeName( option.parentNode, "optgroup" ) ) ) {
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// Get the specific value for the option
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value = jQuery( option ).val();
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// We don't need an array for one selects
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if ( one ) {
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return value;
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}
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// Multi-Selects return an array
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values.push( value );
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}
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}
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return values;
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},
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set: function( elem, value ) {
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var optionSet, option,
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options = elem.options,
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values = jQuery.makeArray( value ),
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i = options.length;
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while ( i-- ) {
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option = options[ i ];
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if ( (option.selected = jQuery.inArray( option.value, values ) >= 0) ) {
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optionSet = true;
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}
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}
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// Force browsers to behave consistently when non-matching value is set
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if ( !optionSet ) {
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elem.selectedIndex = -1;
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}
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return values;
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}
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}
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}
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});
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// Radios and checkboxes getter/setter
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jQuery.each([ "radio", "checkbox" ], function() {
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jQuery.valHooks[ this ] = {
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set: function( elem, value ) {
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if ( jQuery.isArray( value ) ) {
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return ( elem.checked = jQuery.inArray( jQuery(elem).val(), value ) >= 0 );
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}
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}
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};
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if ( !support.checkOn ) {
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jQuery.valHooks[ this ].get = function( elem ) {
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return elem.getAttribute("value") === null ? "on" : elem.value;
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};
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}
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});
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});
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