/*!

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* jQuery UI Checkboxradio 1.12.1

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* http://jqueryui.com

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*

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* Copyright jQuery Foundation and other contributors

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* Released under the MIT license.

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* http://jquery.org/license

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*/

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//>>label: Checkboxradio

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//>>group: Widgets

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//>>description: Enhances a form with multiple themeable checkboxes or radio buttons.

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//>>docs: http://api.jqueryui.com/checkboxradio/

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//>>demos: http://jqueryui.com/checkboxradio/

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//>>css.structure: ../../themes/base/core.css

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//>>css.structure: ../../themes/base/button.css

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//>>css.structure: ../../themes/base/checkboxradio.css

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//>>css.theme: ../../themes/base/theme.css

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( function( factory ) {

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if ( typeof define === "function" && define.amd ) {

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// AMD. Register as an anonymous module.

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define( [

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"jquery",

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"./core"

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], factory );

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} else {

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// Browser globals

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factory( jQuery );

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}

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}( function( $ ) {

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$.widget( "ui.checkboxradio", [ $.ui.formResetMixin, {

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version: "1.12.1",

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options: {

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disabled: null,

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label: null,

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icon: true,

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classes: {

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"ui-checkboxradio-label": "ui-corner-all",

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"ui-checkboxradio-icon": "ui-corner-all"

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}

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},

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_getCreateOptions: function() {

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var disabled, labels;

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var that = this;

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var options = this._super() || {};

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// We read the type here, because it makes more sense to throw a element type error first,

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// rather then the error for lack of a label. Often if its the wrong type, it

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// won't have a label (e.g. calling on a div, btn, etc)

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this._readType();

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labels = this.element.labels();

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// If there are multiple labels, use the last one

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this.label = $( labels[ labels.length - 1 ] );

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if ( !this.label.length ) {

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$.error( "No label found for checkboxradio widget" );

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}

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this.originalLabel = "";

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// We need to get the label text but this may also need to make sure it does not contain the

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// input itself.

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this.label.contents().not( this.element[ 0 ] ).each( function() {

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// The label contents could be text, html, or a mix. We concat each element to get a

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// string representation of the label, without the input as part of it.

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that.originalLabel += this.nodeType === 3 ? $( this ).text() : this.outerHTML;

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} );

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// Set the label option if we found label text

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if ( this.originalLabel ) {

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options.label = this.originalLabel;

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}

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disabled = this.element[ 0 ].disabled;

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if ( disabled != null ) {

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options.disabled = disabled;

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}

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return options;

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},

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_create: function() {

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var checked = this.element[ 0 ].checked;

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this._bindFormResetHandler();

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if ( this.options.disabled == null ) {

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this.options.disabled = this.element[ 0 ].disabled;

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}

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this._setOption( "disabled", this.options.disabled );

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this._addClass( "ui-checkboxradio", "ui-helper-hidden-accessible" );

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this._addClass( this.label, "ui-checkboxradio-label", "ui-button ui-widget" );

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if ( this.type === "radio" ) {

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this._addClass( this.label, "ui-checkboxradio-radio-label" );

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}

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if ( this.options.label && this.options.label !== this.originalLabel ) {

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this._updateLabel();

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} else if ( this.originalLabel ) {

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this.options.label = this.originalLabel;

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}

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this._enhance();

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if ( checked ) {

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this._addClass( this.label, "ui-checkboxradio-checked", "ui-state-active" );

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if ( this.icon ) {

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this._addClass( this.icon, null, "ui-state-hover" );

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}

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}

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this._on( {

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change: "_toggleClasses",

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focus: function() {

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this._addClass( this.label, null, "ui-state-focus ui-visual-focus" );

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},

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blur: function() {

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this._removeClass( this.label, null, "ui-state-focus ui-visual-focus" );

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}

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} );

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},

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_readType: function() {

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var nodeName = this.element[ 0 ].nodeName.toLowerCase();

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this.type = this.element[ 0 ].type;

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if ( nodeName !== "input" || !/radio|checkbox/.test( this.type ) ) {

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$.error( "Can't create checkboxradio on element.nodeName=" + nodeName +

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" and element.type=" + this.type );

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}

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},

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// Support jQuery Mobile enhanced option

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_enhance: function() {

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this._updateIcon( this.element[ 0 ].checked );

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},

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widget: function() {

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return this.label;

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},

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_getRadioGroup: function() {

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var group;

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var name = this.element[ 0 ].name;

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var nameSelector = "input[name='" + $.ui.escapeSelector( name ) + "']";

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if ( !name ) {

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return $( [] );

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}

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if ( this.form.length ) {

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group = $( this.form[ 0 ].elements ).filter( nameSelector );

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} else {

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// Not inside a form, check all inputs that also are not inside a form

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group = $( nameSelector ).filter( function() {

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return $( this ).form().length === 0;

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} );

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}

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return group.not( this.element );

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},

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_toggleClasses: function() {

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var checked = this.element[ 0 ].checked;

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this._toggleClass( this.label, "ui-checkboxradio-checked", "ui-state-active", checked );

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if ( this.options.icon && this.type === "checkbox" ) {

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this._toggleClass( this.icon, null, "ui-icon-check ui-state-checked", checked )

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._toggleClass( this.icon, null, "ui-icon-blank", !checked );

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}

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if ( this.type === "radio" ) {

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this._getRadioGroup()

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.each( function() {

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var instance = $( this ).checkboxradio( "instance" );

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if ( instance ) {

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instance._removeClass( instance.label,

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"ui-checkboxradio-checked", "ui-state-active" );

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}

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} );

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}

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},

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_destroy: function() {

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this._unbindFormResetHandler();

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if ( this.icon ) {

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this.icon.remove();

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this.iconSpace.remove();

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}

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},

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_setOption: function( key, value ) {

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// We don't allow the value to be set to nothing

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if ( key === "label" && !value ) {

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return;

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}

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this._super( key, value );

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if ( key === "disabled" ) {

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this._toggleClass( this.label, null, "ui-state-disabled", value );

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this.element[ 0 ].disabled = value;

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// Don't refresh when setting disabled

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return;

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}

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this.refresh();

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},

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_updateIcon: function( checked ) {

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var toAdd = "ui-icon ui-icon-background ";

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if ( this.options.icon ) {

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if ( !this.icon ) {

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this.icon = $( "<span>" );

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this.iconSpace = $( "<span> </span>" );

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this._addClass( this.iconSpace, "ui-checkboxradio-icon-space" );

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}

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if ( this.type === "checkbox" ) {

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toAdd += checked ? "ui-icon-check ui-state-checked" : "ui-icon-blank";

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this._removeClass( this.icon, null, checked ? "ui-icon-blank" : "ui-icon-check" );

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} else {

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toAdd += "ui-icon-blank";

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}

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this._addClass( this.icon, "ui-checkboxradio-icon", toAdd );

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if ( !checked ) {

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this._removeClass( this.icon, null, "ui-icon-check ui-state-checked" );

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}

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this.icon.prependTo( this.label ).after( this.iconSpace );

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} else if ( this.icon !== undefined ) {

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this.icon.remove();

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this.iconSpace.remove();

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delete this.icon;

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}

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},

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_updateLabel: function() {

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// Remove the contents of the label ( minus the icon, icon space, and input )

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var contents = this.label.contents().not( this.element[ 0 ] );

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if ( this.icon ) {

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contents = contents.not( this.icon[ 0 ] );

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}

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if ( this.iconSpace ) {

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contents = contents.not( this.iconSpace[ 0 ] );

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}

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contents.remove();

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this.label.append( this.options.label );

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},

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refresh: function() {

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var checked = this.element[ 0 ].checked,

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isDisabled = this.element[ 0 ].disabled;

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this._updateIcon( checked );

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this._toggleClass( this.label, "ui-checkboxradio-checked", "ui-state-active", checked );

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if ( this.options.label !== null ) {

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this._updateLabel();

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}

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if ( isDisabled !== this.options.disabled ) {

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this._setOptions( { "disabled": isDisabled } );

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}

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}

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} ] );

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return $.ui.checkboxradio;

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} ) );

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