/*!

 * jQuery UI Checkboxradio 1.12.1

 * http://jqueryui.com

 *

 * Copyright jQuery Foundation and other contributors

 * Released under the MIT license.

 * http://jquery.org/license

 */

//>>label: Checkboxradio

//>>group: Widgets

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

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

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

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

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

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

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

( function( factory ) {

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

		// AMD. Register as an anonymous module.

		define( [

			"jquery",

			"./core"

		], factory );

	} else {

		// Browser globals

		factory( jQuery );

	}

}( function( $ ) {

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

	version: "1.12.1",

	options: {

		disabled: null,

		label: null,

		icon: true,

		classes: {

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

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

		}

	},

	_getCreateOptions: function() {

		var disabled, labels;

		var that = this;

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

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

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

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

		this._readType();

		labels = this.element.labels();

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

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

		if ( !this.label.length ) {

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

		}

		this.originalLabel = "";

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

		// input itself.

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

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

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

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

		} );

		// Set the label option if we found label text

		if ( this.originalLabel ) {

			options.label = this.originalLabel;

		}

		disabled = this.element[ 0 ].disabled;

		if ( disabled != null ) {

			options.disabled = disabled;

		}

		return options;

	},

	_create: function() {

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

		this._bindFormResetHandler();

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

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

		}

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

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

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

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

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

		}

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

			this._updateLabel();

		} else if ( this.originalLabel ) {

			this.options.label = this.originalLabel;

		}

		this._enhance();

		if ( checked ) {

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

			if ( this.icon ) {

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

			}

		}

		this._on( {

			change: "_toggleClasses",

			focus: function() {

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

			},

			blur: function() {

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

			}

		} );

	},

	_readType: function() {

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

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

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

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

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

		}

	},

	// Support jQuery Mobile enhanced option

	_enhance: function() {

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

	},

	widget: function() {

		return this.label;

	},

	_getRadioGroup: function() {

		var group;

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

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

		if ( !name ) {

			return $( [] );

		}

		if ( this.form.length ) {

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

		} else {

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

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

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

			} );

		}

		return group.not( this.element );

	},

	_toggleClasses: function() {

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

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

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

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

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

		}

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

			this._getRadioGroup()

				.each( function() {

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

					if ( instance ) {

						instance._removeClass( instance.label,

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

					}

				} );

		}

	},

	_destroy: function() {

		this._unbindFormResetHandler();

		if ( this.icon ) {

			this.icon.remove();

			this.iconSpace.remove();

		}

	},

	_setOption: function( key, value ) {

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

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

			return;

		}

		this._super( key, value );

		if ( key === "disabled" ) {

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

			this.element[ 0 ].disabled = value;

			// Don't refresh when setting disabled

			return;

		}

		this.refresh();

	},

	_updateIcon: function( checked ) {

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

		if ( this.options.icon ) {

			if ( !this.icon ) {

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

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

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

			}

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

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

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

			} else {

				toAdd += "ui-icon-blank";

			}

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

			if ( !checked ) {

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

			}

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

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

			this.icon.remove();

			this.iconSpace.remove();

			delete this.icon;

		}

	},

	_updateLabel: function() {

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

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

		if ( this.icon ) {

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

		}

		if ( this.iconSpace ) {

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

		}

		contents.remove();

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

	},

	refresh: function() {

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

			isDisabled = this.element[ 0 ].disabled;

		this._updateIcon( checked );

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

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

			this._updateLabel();

		}

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

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

		}

	}

} ] );

return $.ui.checkboxradio;

} ) );