text: /*!
   * jQuery UI Button @VERSION
   * http://jqueryui.com
   *
   * Copyright 2014 jQuery Foundation and other contributors
   * Released under the MIT license.
   * http://jquery.org/license
   */
  
  //>>label: Button
  //>>group: Widgets
  //>>description: Enhances a form with themeable buttons.
  //>>docs: http://api.jqueryui.com/button/
  //>>demos: http://jqueryui.com/button/
  
  (function( factory ) {
  	if ( typeof define === "function" && define.amd ) {
  
  		// AMD. Register as an anonymous module.
  		define([
  			"jquery",
  			"./core",
  			"./widget"
  		], factory );
  	} else {
  
  		// Browser globals
  		factory( jQuery );
  	}
  }(function( $ ) {
  
  var lastActive,
  	baseClasses = "ui-button ui-widget ui-state-default ui-corner-all",
  	typeClasses = "ui-button-icons-only ui-button-icon-only ui-button-text-icons ui-button-text-icon-primary ui-button-text-icon-secondary ui-button-text-only",
  	formResetHandler = function() {
  		var form = $( this );
  		setTimeout(function() {
  			form.find( ":ui-button" ).button( "refresh" );
  		}, 1 );
  	},
  	radioGroup = function( radio ) {
  		var name = radio.name,
  			form = radio.form,
  			radios = $( [] );
  		if ( name ) {
  			name = name.replace( /'/g, "\\'" );
  			if ( form ) {
  				radios = $( form ).find( "[name='" + name + "'][type=radio]" );
  			} else {
  				radios = $( "[name='" + name + "'][type=radio]", radio.ownerDocument )
  					.filter(function() {
  						return !this.form;
  					});
  			}
  		}
  		return radios;
  	};
  
  $.widget( "ui.button", {
  	version: "@VERSION",
  	defaultElement: "<button>",
  	options: {
  		disabled: null,
  		text: true,
  		label: null,
  		icons: {
  			primary: null,
  			secondary: null
  		}
  	},
  	_create: function() {
  		this.element.closest( "form" )
  			.unbind( "reset" + this.eventNamespace )
  			.bind( "reset" + this.eventNamespace, formResetHandler );
  
  		if ( typeof this.options.disabled !== "boolean" ) {
  			this.options.disabled = !!this.element.prop( "disabled" );
  		} else {
  			this.element.prop( "disabled", this.options.disabled );
  		}
  
  		this._determineButtonType();
  		this.hasTitle = !!this.buttonElement.attr( "title" );
  
  		var that = this,
  			options = this.options,
  			toggleButton = this.type === "checkbox" || this.type === "radio",
  			activeClass = !toggleButton ? "ui-state-active" : "";
  
  		if ( options.label === null ) {
  			options.label = (this.type === "input" ? this.buttonElement.val() : this.buttonElement.html());
  		}
  
  		this._hoverable( this.buttonElement );
  
  		this.buttonElement
  			.addClass( baseClasses )
  			.attr( "role", "button" )
  			.bind( "mouseenter" + this.eventNamespace, function() {
  				if ( options.disabled ) {
  					return;
  				}
  				if ( this === lastActive ) {
  					$( this ).addClass( "ui-state-active" );
  				}
  			})
  			.bind( "mouseleave" + this.eventNamespace, function() {
  				if ( options.disabled ) {
  					return;
  				}
  				$( this ).removeClass( activeClass );
  			})
  			.bind( "click" + this.eventNamespace, function( event ) {
  				if ( options.disabled ) {
  					event.preventDefault();
  					event.stopImmediatePropagation();
  				}
  			});
  
  		// Can't use _focusable() because the element that receives focus
  		// and the element that gets the ui-state-focus class are different
  		this._on({
  			focus: function() {
  				this.buttonElement.addClass( "ui-state-focus" );
  			},
  			blur: function() {
  				this.buttonElement.removeClass( "ui-state-focus" );
  			}
  		});
  
  		if ( toggleButton ) {
  			this.element.bind( "change" + this.eventNamespace, function() {
  				that.refresh();
  			});
  		}
  
  		if ( this.type === "checkbox" ) {
  			this.buttonElement.bind( "click" + this.eventNamespace, function() {
  				if ( options.disabled ) {
  					return false;
  				}
  			});
  		} else if ( this.type === "radio" ) {
  			this.buttonElement.bind( "click" + this.eventNamespace, function() {
  				if ( options.disabled ) {
  					return false;
  				}
  				$( this ).addClass( "ui-state-active" );
  				that.buttonElement.attr( "aria-pressed", "true" );
  
  				var radio = that.element[ 0 ];
  				radioGroup( radio )
  					.not( radio )
  					.map(function() {
  						return $( this ).button( "widget" )[ 0 ];
  					})
  					.removeClass( "ui-state-active" )
  					.attr( "aria-pressed", "false" );
  			});
  		} else {
  			this.buttonElement
  				.bind( "mousedown" + this.eventNamespace, function() {
  					if ( options.disabled ) {
  						return false;
  					}
  					$( this ).addClass( "ui-state-active" );
  					lastActive = this;
  					that.document.one( "mouseup", function() {
  						lastActive = null;
  					});
  				})
  				.bind( "mouseup" + this.eventNamespace, function() {
  					if ( options.disabled ) {
  						return false;
  					}
  					$( this ).removeClass( "ui-state-active" );
  				})
  				.bind( "keydown" + this.eventNamespace, function(event) {
  					if ( options.disabled ) {
  						return false;
  					}
  					if ( event.keyCode === $.ui.keyCode.SPACE || event.keyCode === $.ui.keyCode.ENTER ) {
  						$( this ).addClass( "ui-state-active" );
  					}
  				})
  				// see #8559, we bind to blur here in case the button element loses
  				// focus between keydown and keyup, it would be left in an "active" state
  				.bind( "keyup" + this.eventNamespace + " blur" + this.eventNamespace, function() {
  					$( this ).removeClass( "ui-state-active" );
  				});
  
  			if ( this.buttonElement.is("a") ) {
  				this.buttonElement.keyup(function(event) {
  					if ( event.keyCode === $.ui.keyCode.SPACE ) {
  						// TODO pass through original event correctly (just as 2nd argument doesn't work)
  						$( this ).click();
  					}
  				});
  			}
  		}
  
  		this._setOption( "disabled", options.disabled );
  		this._resetButton();
  	},
  
  	_determineButtonType: function() {
  		var ancestor, labelSelector, checked;
  
  		if ( this.element.is("[type=checkbox]") ) {
  			this.type = "checkbox";
  		} else if ( this.element.is("[type=radio]") ) {
  			this.type = "radio";
  		} else if ( this.element.is("input") ) {
  			this.type = "input";
  		} else {
  			this.type = "button";
  		}
  
  		if ( this.type === "checkbox" || this.type === "radio" ) {
  			// we don't search against the document in case the element
  			// is disconnected from the DOM
  			ancestor = this.element.parents().last();
  			labelSelector = "label[for='" + this.element.attr("id") + "']";
  			this.buttonElement = ancestor.find( labelSelector );
  			if ( !this.buttonElement.length ) {
  				ancestor = ancestor.length ? ancestor.siblings() : this.element.siblings();
  				this.buttonElement = ancestor.filter( labelSelector );
  				if ( !this.buttonElement.length ) {
  					this.buttonElement = ancestor.find( labelSelector );
  				}
  			}
  			this.element.addClass( "ui-helper-hidden-accessible" );
  
  			checked = this.element.is( ":checked" );
  			if ( checked ) {
  				this.buttonElement.addClass( "ui-state-active" );
  			}
  			this.buttonElement.prop( "aria-pressed", checked );
  		} else {
  			this.buttonElement = this.element;
  		}
  	},
  
  	widget: function() {
  		return this.buttonElement;
  	},
  
  	_destroy: function() {
  		this.element
  			.removeClass( "ui-helper-hidden-accessible" );
  		this.buttonElement
  			.removeClass( baseClasses + " ui-state-active " + typeClasses )
  			.removeAttr( "role" )
  			.removeAttr( "aria-pressed" )
  			.html( this.buttonElement.find(".ui-button-text").html() );
  
  		if ( !this.hasTitle ) {
  			this.buttonElement.removeAttr( "title" );
  		}
  	},
  
  	_setOption: function( key, value ) {
  		this._super( key, value );
  		if ( key === "disabled" ) {
  			this.widget().toggleClass( "ui-state-disabled", !!value );
  			this.element.prop( "disabled", !!value );
  			if ( value ) {
  				if ( this.type === "checkbox" || this.type === "radio" ) {
  					this.buttonElement.removeClass( "ui-state-focus" );
  				} else {
  					this.buttonElement.removeClass( "ui-state-focus ui-state-active" );
  				}
  			}
  			return;
  		}
  		this._resetButton();
  	},
  
  	refresh: function() {
  		//See #8237 & #8828
  		var isDisabled = this.element.is( "input, button" ) ? this.element.is( ":disabled" ) : this.element.hasClass( "ui-button-disabled" );
  
  		if ( isDisabled !== this.options.disabled ) {
  			this._setOption( "disabled", isDisabled );
  		}
  		if ( this.type === "radio" ) {
  			radioGroup( this.element[0] ).each(function() {
  				if ( $( this ).is( ":checked" ) ) {
  					$( this ).button( "widget" )
  						.addClass( "ui-state-active" )
  						.attr( "aria-pressed", "true" );
  				} else {
  					$( this ).button( "widget" )
  						.removeClass( "ui-state-active" )
  						.attr( "aria-pressed", "false" );
  				}
  			});
  		} else if ( this.type === "checkbox" ) {
  			if ( this.element.is( ":checked" ) ) {
  				this.buttonElement
  					.addClass( "ui-state-active" )
  					.attr( "aria-pressed", "true" );
  			} else {
  				this.buttonElement
  					.removeClass( "ui-state-active" )
  					.attr( "aria-pressed", "false" );
  			}
  		}
  	},
  
  	_resetButton: function() {
  		if ( this.type === "input" ) {
  			if ( this.options.label ) {
  				this.element.val( this.options.label );
  			}
  			return;
  		}
  		var buttonElement = this.buttonElement.removeClass( typeClasses ),
  			buttonText = $( "<span></span>", this.document[0] )
  				.addClass( "ui-button-text" )
  				.html( this.options.label )
  				.appendTo( buttonElement.empty() )
  				.text(),
  			icons = this.options.icons,
  			multipleIcons = icons.primary && icons.secondary,
  			buttonClasses = [];
  
  		if ( icons.primary || icons.secondary ) {
  			if ( this.options.text ) {
  				buttonClasses.push( "ui-button-text-icon" + ( multipleIcons ? "s" : ( icons.primary ? "-primary" : "-secondary" ) ) );
  			}
  
  			if ( icons.primary ) {
  				buttonElement.prepend( "<span class='ui-button-icon-primary ui-icon " + icons.primary + "'></span>" );
  			}
  
  			if ( icons.secondary ) {
  				buttonElement.append( "<span class='ui-button-icon-secondary ui-icon " + icons.secondary + "'></span>" );
  			}
  
  			if ( !this.options.text ) {
  				buttonClasses.push( multipleIcons ? "ui-button-icons-only" : "ui-button-icon-only" );
  
  				if ( !this.hasTitle ) {
  					buttonElement.attr( "title", $.trim( buttonText ) );
  				}
  			}
  		} else {
  			buttonClasses.push( "ui-button-text-only" );
  		}
  		buttonElement.addClass( buttonClasses.join( " " ) );
  	}
  });
  
  $.widget( "ui.buttonset", {
  	version: "@VERSION",
  	options: {
  		items: "button, input[type=button], input[type=submit], input[type=reset], input[type=checkbox], input[type=radio], a, :data(ui-button)"
  	},
  
  	_create: function() {
  		this.element.addClass( "ui-buttonset" );
  	},
  
  	_init: function() {
  		this.refresh();
  	},
  
  	_setOption: function( key, value ) {
  		if ( key === "disabled" ) {
  			this.buttons.button( "option", key, value );
  		}
  
  		this._super( key, value );
  	},
  
  	refresh: function() {
  		var rtl = this.element.css( "direction" ) === "rtl",
  			allButtons = this.element.find( this.options.items ),
  			existingButtons = allButtons.filter( ":ui-button" );
  
  		// Initialize new buttons
  		allButtons.not( ":ui-button" ).button();
  
  		// Refresh existing buttons
  		existingButtons.button( "refresh" );
  
  		this.buttons = allButtons
  			.map(function() {
  				return $( this ).button( "widget" )[ 0 ];
  			})
  				.removeClass( "ui-corner-all ui-corner-left ui-corner-right" )
  				.filter( ":first" )
  					.addClass( rtl ? "ui-corner-right" : "ui-corner-left" )
  				.end()
  				.filter( ":last" )
  					.addClass( rtl ? "ui-corner-left" : "ui-corner-right" )
  				.end()
  			.end();
  	},
  
  	_destroy: function() {
  		this.element.removeClass( "ui-buttonset" );
  		this.buttons
  			.map(function() {
  				return $( this ).button( "widget" )[ 0 ];
  			})
  				.removeClass( "ui-corner-left ui-corner-right" )
  			.end()
  			.button( "destroy" );
  	}
  });
  
  return $.ui.button;
  
  }));
  