jquery-ui.js

			if ( isResizable && typeof value === "string" ) {
				uiDialog.resizable( "option", "handles", value );
			}

			// Currently non-resizable, becoming resizable
			if ( !isResizable && value !== false ) {
				this._makeResizable();
			}
		}

		if ( key === "title" ) {
			this._title( this.uiDialogTitlebar.find( ".ui-dialog-title" ) );
		}
	},

	_size: function() {

		// If the user has resized the dialog, the .ui-dialog and .ui-dialog-content
		// divs will both have width and height set, so we need to reset them
		var nonContentHeight, minContentHeight, maxContentHeight,
			options = this.options;

		// Reset content sizing
		this.element.show().css( {
			width: "auto",
			minHeight: 0,
			maxHeight: "none",
			height: 0
		} );

		if ( options.minWidth > options.width ) {
			options.width = options.minWidth;
		}

		// Reset wrapper sizing
		// determine the height of all the non-content elements
		nonContentHeight = this.uiDialog.css( {
			height: "auto",
			width: options.width
		} )
			.outerHeight();
		minContentHeight = Math.max( 0, options.minHeight - nonContentHeight );
		maxContentHeight = typeof options.maxHeight === "number" ?
			Math.max( 0, options.maxHeight - nonContentHeight ) :
			"none";

		if ( options.height === "auto" ) {
			this.element.css( {
				minHeight: minContentHeight,
				maxHeight: maxContentHeight,
				height: "auto"
			} );
		} else {
			this.element.height( Math.max( 0, options.height - nonContentHeight ) );
		}

		if ( this.uiDialog.is( ":data(ui-resizable)" ) ) {
			this.uiDialog.resizable( "option", "minHeight", this._minHeight() );
		}
	},

	_blockFrames: function() {
		this.iframeBlocks = this.document.find( "iframe" ).map( function() {
			var iframe = $( this );

			return $( "<div>" )
				.css( {
					position: "absolute",
					width: iframe.outerWidth(),
					height: iframe.outerHeight()
				} )
				.appendTo( iframe.parent() )
				.offset( iframe.offset() )[ 0 ];
		} );
	},

	_unblockFrames: function() {
		if ( this.iframeBlocks ) {
			this.iframeBlocks.remove();
			delete this.iframeBlocks;
		}
	},

	_allowInteraction: function( event ) {
		if ( $( event.target ).closest( ".ui-dialog" ).length ) {
			return true;
		}

		// TODO: Remove hack when datepicker implements
		// the .ui-front logic (#8989)
		return !!$( event.target ).closest( ".ui-datepicker" ).length;
	},

	_createOverlay: function() {
		if ( !this.options.modal ) {
			return;
		}

		// We use a delay in case the overlay is created from an
		// event that we're going to be cancelling (#2804)
		var isOpening = true;
		this._delay( function() {
			isOpening = false;
		} );

		if ( !this.document.data( "ui-dialog-overlays" ) ) {

			// Prevent use of anchors and inputs
			// Using _on() for an event handler shared across many instances is
			// safe because the dialogs stack and must be closed in reverse order
			this._on( this.document, {
				focusin: function( event ) {
					if ( isOpening ) {
						return;
					}

					if ( !this._allowInteraction( event ) ) {
						event.preventDefault();
						this._trackingInstances()[ 0 ]._focusTabbable();
					}
				}
			} );
		}

		this.overlay = $( "<div>" )
			.appendTo( this._appendTo() );

		this._addClass( this.overlay, null, "ui-widget-overlay ui-front" );
		this._on( this.overlay, {
			mousedown: "_keepFocus"
		} );
		this.document.data( "ui-dialog-overlays",
			( this.document.data( "ui-dialog-overlays" ) || 0 ) + 1 );
	},

	_destroyOverlay: function() {
		if ( !this.options.modal ) {
			return;
		}

		if ( this.overlay ) {
			var overlays = this.document.data( "ui-dialog-overlays" ) - 1;

			if ( !overlays ) {
				this._off( this.document, "focusin" );
				this.document.removeData( "ui-dialog-overlays" );
			} else {
				this.document.data( "ui-dialog-overlays", overlays );
			}

			this.overlay.remove();
			this.overlay = null;
		}
	}
} );

// DEPRECATED
// TODO: switch return back to widget declaration at top of file when this is removed
if ( $.uiBackCompat !== false ) {

	// Backcompat for dialogClass option
	$.widget( "ui.dialog", $.ui.dialog, {
		options: {
			dialogClass: ""
		},
		_createWrapper: function() {
			this._super();
			this.uiDialog.addClass( this.options.dialogClass );
		},
		_setOption: function( key, value ) {
			if ( key === "dialogClass" ) {
				this.uiDialog
					.removeClass( this.options.dialogClass )
					.addClass( value );
			}
			this._superApply( arguments );
		}
	} );
}

var widgetsDialog = $.ui.dialog;




}));