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button.js (9975B)

---

 /*!
  * jQuery UI Button 1.12.1
  * http://jqueryui.com
  *
  * Copyright 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/
 //>>css.structure: ../../themes/base/core.css
 //>>css.structure: ../../themes/base/button.css
 //>>css.theme: ../../themes/base/theme.css
 
 ( function( factory ) {
 	if ( typeof define === "function" && define.amd ) {
 
 		// AMD. Register as an anonymous module.
 		define( [
 			"jquery",
 
 			// These are only for backcompat
 			// TODO: Remove after 1.12
 			"./controlgroup",
 			"./checkboxradio",
 
 			"./core"
 		], factory );
 	} else {
 
 		// Browser globals
 		factory( jQuery );
 	}
 }( function( $ ) {
 
 $.widget( "ui.button", {
 	version: "1.12.1",
 	defaultElement: "<button>",
 	options: {
 		classes: {
 			"ui-button": "ui-corner-all"
 		},
 		disabled: null,
 		icon: null,
 		iconPosition: "beginning",
 		label: null,
 		showLabel: true
 	},
 
 	_getCreateOptions: function() {
 		var disabled,
 
 			// This is to support cases like in jQuery Mobile where the base widget does have
 			// an implementation of _getCreateOptions
 			options = this._super() || {};
 
 		this.isInput = this.element.is( "input" );
 
 		disabled = this.element[ 0 ].disabled;
 		if ( disabled != null ) {
 			options.disabled = disabled;
 		}
 
 		this.originalLabel = this.isInput ? this.element.val() : this.element.html();
 		if ( this.originalLabel ) {
 			options.label = this.originalLabel;
 		}
 
 		return options;
 	},
 
 	_create: function() {
 		if ( !this.option.showLabel & !this.options.icon ) {
 			this.options.showLabel = true;
 		}
 
 		// We have to check the option again here even though we did in _getCreateOptions,
 		// because null may have been passed on init which would override what was set in
 		// _getCreateOptions
 		if ( this.options.disabled == null ) {
 			this.options.disabled = this.element[ 0 ].disabled || false;
 		}
 
 		this.hasTitle = !!this.element.attr( "title" );
 
 		// Check to see if the label needs to be set or if its already correct
 		if ( this.options.label && this.options.label !== this.originalLabel ) {
 			if ( this.isInput ) {
 				this.element.val( this.options.label );
 			} else {
 				this.element.html( this.options.label );
 			}
 		}
 		this._addClass( "ui-button", "ui-widget" );
 		this._setOption( "disabled", this.options.disabled );
 		this._enhance();
 
 		if ( this.element.is( "a" ) ) {
 			this._on( {
 				"keyup": function( event ) {
 					if ( event.keyCode === $.ui.keyCode.SPACE ) {
 						event.preventDefault();
 
 						// Support: PhantomJS <= 1.9, IE 8 Only
 						// If a native click is available use it so we actually cause navigation
 						// otherwise just trigger a click event
 						if ( this.element[ 0 ].click ) {
 							this.element[ 0 ].click();
 						} else {
 							this.element.trigger( "click" );
 						}
 					}
 				}
 			} );
 		}
 	},
 
 	_enhance: function() {
 		if ( !this.element.is( "button" ) ) {
 			this.element.attr( "role", "button" );
 		}
 
 		if ( this.options.icon ) {
 			this._updateIcon( "icon", this.options.icon );
 			this._updateTooltip();
 		}
 	},
 
 	_updateTooltip: function() {
 		this.title = this.element.attr( "title" );
 
 		if ( !this.options.showLabel && !this.title ) {
 			this.element.attr( "title", this.options.label );
 		}
 	},
 
 	_updateIcon: function( option, value ) {
 		var icon = option !== "iconPosition",
 			position = icon ? this.options.iconPosition : value,
 			displayBlock = position === "top" || position === "bottom";
 
 		// Create icon
 		if ( !this.icon ) {
 			this.icon = $( "<span>" );
 
 			this._addClass( this.icon, "ui-button-icon", "ui-icon" );
 
 			if ( !this.options.showLabel ) {
 				this._addClass( "ui-button-icon-only" );
 			}
 		} else if ( icon ) {
 
 			// If we are updating the icon remove the old icon class
 			this._removeClass( this.icon, null, this.options.icon );
 		}
 
 		// If we are updating the icon add the new icon class
 		if ( icon ) {
 			this._addClass( this.icon, null, value );
 		}
 
 		this._attachIcon( position );
 
 		// If the icon is on top or bottom we need to add the ui-widget-icon-block class and remove
 		// the iconSpace if there is one.
 		if ( displayBlock ) {
 			this._addClass( this.icon, null, "ui-widget-icon-block" );
 			if ( this.iconSpace ) {
 				this.iconSpace.remove();
 			}
 		} else {
 
 			// Position is beginning or end so remove the ui-widget-icon-block class and add the
 			// space if it does not exist
 			if ( !this.iconSpace ) {
 				this.iconSpace = $( "<span> </span>" );
 				this._addClass( this.iconSpace, "ui-button-icon-space" );
 			}
 			this._removeClass( this.icon, null, "ui-wiget-icon-block" );
 			this._attachIconSpace( position );
 		}
 	},
 
 	_destroy: function() {
 		this.element.removeAttr( "role" );
 
 		if ( this.icon ) {
 			this.icon.remove();
 		}
 		if ( this.iconSpace ) {
 			this.iconSpace.remove();
 		}
 		if ( !this.hasTitle ) {
 			this.element.removeAttr( "title" );
 		}
 	},
 
 	_attachIconSpace: function( iconPosition ) {
 		this.icon[ /^(?:end|bottom)/.test( iconPosition ) ? "before" : "after" ]( this.iconSpace );
 	},
 
 	_attachIcon: function( iconPosition ) {
 		this.element[ /^(?:end|bottom)/.test( iconPosition ) ? "append" : "prepend" ]( this.icon );
 	},
 
 	_setOptions: function( options ) {
 		var newShowLabel = options.showLabel === undefined ?
 				this.options.showLabel :
 				options.showLabel,
 			newIcon = options.icon === undefined ? this.options.icon : options.icon;
 
 		if ( !newShowLabel && !newIcon ) {
 			options.showLabel = true;
 		}
 		this._super( options );
 	},
 
 	_setOption: function( key, value ) {
 		if ( key === "icon" ) {
 			if ( value ) {
 				this._updateIcon( key, value );
 			} else if ( this.icon ) {
 				this.icon.remove();
 				if ( this.iconSpace ) {
 					this.iconSpace.remove();
 				}
 			}
 		}
 
 		if ( key === "iconPosition" ) {
 			this._updateIcon( key, value );
 		}
 
 		// Make sure we can't end up with a button that has neither text nor icon
 		if ( key === "showLabel" ) {
 				this._toggleClass( "ui-button-icon-only", null, !value );
 				this._updateTooltip();
 		}
 
 		if ( key === "label" ) {
 			if ( this.isInput ) {
 				this.element.val( value );
 			} else {
 
 				// If there is an icon, append it, else nothing then append the value
 				// this avoids removal of the icon when setting label text
 				this.element.html( value );
 				if ( this.icon ) {
 					this._attachIcon( this.options.iconPosition );
 					this._attachIconSpace( this.options.iconPosition );
 				}
 			}
 		}
 
 		this._super( key, value );
 
 		if ( key === "disabled" ) {
 			this._toggleClass( null, "ui-state-disabled", value );
 			this.element[ 0 ].disabled = value;
 			if ( value ) {
 				this.element.blur();
 			}
 		}
 	},
 
 	refresh: function() {
 
 		// Make sure to only check disabled if its an element that supports this otherwise
 		// check for the disabled class to determine state
 		var isDisabled = this.element.is( "input, button" ) ?
 			this.element[ 0 ].disabled : this.element.hasClass( "ui-button-disabled" );
 
 		if ( isDisabled !== this.options.disabled ) {
 			this._setOptions( { disabled: isDisabled } );
 		}
 
 		this._updateTooltip();
 	}
 } );
 
 // DEPRECATED
 if ( $.uiBackCompat !== false ) {
 
 	// Text and Icons options
 	$.widget( "ui.button", $.ui.button, {
 		options: {
 			text: true,
 			icons: {
 				primary: null,
 				secondary: null
 			}
 		},
 
 		_create: function() {
 			if ( this.options.showLabel && !this.options.text ) {
 				this.options.showLabel = this.options.text;
 			}
 			if ( !this.options.showLabel && this.options.text ) {
 				this.options.text = this.options.showLabel;
 			}
 			if ( !this.options.icon && ( this.options.icons.primary ||
 					this.options.icons.secondary ) ) {
 				if ( this.options.icons.primary ) {
 					this.options.icon = this.options.icons.primary;
 				} else {
 					this.options.icon = this.options.icons.secondary;
 					this.options.iconPosition = "end";
 				}
 			} else if ( this.options.icon ) {
 				this.options.icons.primary = this.options.icon;
 			}
 			this._super();
 		},
 
 		_setOption: function( key, value ) {
 			if ( key === "text" ) {
 				this._super( "showLabel", value );
 				return;
 			}
 			if ( key === "showLabel" ) {
 				this.options.text = value;
 			}
 			if ( key === "icon" ) {
 				this.options.icons.primary = value;
 			}
 			if ( key === "icons" ) {
 				if ( value.primary ) {
 					this._super( "icon", value.primary );
 					this._super( "iconPosition", "beginning" );
 				} else if ( value.secondary ) {
 					this._super( "icon", value.secondary );
 					this._super( "iconPosition", "end" );
 				}
 			}
 			this._superApply( arguments );
 		}
 	} );
 
 	$.fn.button = ( function( orig ) {
 		return function() {
 			if ( !this.length || ( this.length && this[ 0 ].tagName !== "INPUT" ) ||
 					( this.length && this[ 0 ].tagName === "INPUT" && (
 						this.attr( "type" ) !== "checkbox" && this.attr( "type" ) !== "radio"
 					) ) ) {
 				return orig.apply( this, arguments );
 			}
 			if ( !$.ui.checkboxradio ) {
 				$.error( "Checkboxradio widget missing" );
 			}
 			if ( arguments.length === 0 ) {
 				return this.checkboxradio( {
 					"icon": false
 				} );
 			}
 			return this.checkboxradio.apply( this, arguments );
 		};
 	} )( $.fn.button );
 
 	$.fn.buttonset = function() {
 		if ( !$.ui.controlgroup ) {
 			$.error( "Controlgroup widget missing" );
 		}
 		if ( arguments[ 0 ] === "option" && arguments[ 1 ] === "items" && arguments[ 2 ] ) {
 			return this.controlgroup.apply( this,
 				[ arguments[ 0 ], "items.button", arguments[ 2 ] ] );
 		}
 		if ( arguments[ 0 ] === "option" && arguments[ 1 ] === "items" ) {
 			return this.controlgroup.apply( this, [ arguments[ 0 ], "items.button" ] );
 		}
 		if ( typeof arguments[ 0 ] === "object" && arguments[ 0 ].items ) {
 			arguments[ 0 ].items = {
 				button: arguments[ 0 ].items
 			};
 		}
 		return this.controlgroup.apply( this, arguments );
 	};
 }
 
 return $.ui.button;
 
 } ) );