A basic Overlay Widget, which can be positioned based on Page XY co-ordinates and is stackable (z-index support).
It also provides alignment and centering support and uses a standard module format for it's content, with header,
body and footer section support.
                    
                        
                        Constructor
                        
                            
                                Overlay
                                
                                    (
  
                                        
                                                
                                                object
                                    )
                                
                                
                                        
                                            - Parameters:
- 
                                                    object
                                                    <Object>
                                                    The user configuration for the instance.
 
                             
                         
                     
                    
                    
                        
                        
                            Properties inherited from Widget:
                            
                         
                        
                        
                        
                        
                            Properties inherited from Base:
                            
                         
                        
                        
                        
                         
                     
                    
                                            
                            
                            
                                Methods inherited from Widget:
                                
                                    
                                                                                    
                                            _applyParsedConfig,
                                            
                                                                                    
                                            _applyParser,
                                            
                                                                                    
                                            _bindAttrUI,
                                            
                                                                                    
                                            _bindDOM,
                                            
                                                                                    
                                            _bindUI,
                                            
                                                                                    
                                            _createUIEvent,
                                            
                                                                                    
                                            _defaultCB,
                                            
                                                                                    
                                            _defRenderFn,
                                            
                                                                                    
                                            _getHtmlParser,
                                            
                                                                                    
                                            _getSrcNode,
                                            
                                                                                    
                                            _getStrings,
                                            
                                                                                    
                                            _getUIEventNode,
                                            
                                                                                    
                                            _guid,
                                            
                                                                                    
                                            _initUIEvent,
                                            
                                                                                    
                                            _isUIEvent,
                                            
                                                                                    
                                            _onDocFocus,
                                            
                                                                                    
                                            _onDocMouseDown,
                                            
                                                                                    
                                            _removeLoadingClassNames,
                                            
                                                                                    
                                            _renderBox,
                                            
                                                                                    
                                            _renderBoxClassNames,
                                            
                                                                                    
                                            _renderUI,
                                            
                                                                                    
                                            _setAttrUI,
                                            
                                                                                    
                                            _setBB,
                                            
                                                                                    
                                            _setBox,
                                            
                                                                                    
                                            _setCB,
                                            
                                                                                    
                                            _setStrings,
                                            
                                                                                    
                                            _strSetter,
                                            
                                                                                    
                                            _syncAttrUI,
                                            
                                                                                    
                                            _syncUI,
                                            
                                                                                    
                                            _uiSetDim,
                                            
                                                                                    
                                            _uiSetDisabled,
                                            
                                                                                    
                                            _uiSetFocused,
                                            
                                                                                    
                                            _uiSetHeight,
                                            
                                                                                    
                                            _uiSetTabIndex,
                                            
                                                                                    
                                            _uiSetVisible,
                                            
                                                                                    
                                            _uiSetWidth,
                                            
                                                                                    
                                            _uiSizeCB,
                                            
                                                                                    
                                            _unbindDOM,
                                            
                                                                                    
                                            _unbindUI,
                                            
                                                                                    
                                            _validTabIndex,
                                            
                                                                                    
                                            bindUI,
                                            
                                                                                    
                                            blur,
                                            
                                                                                    
                                            destructor,
                                            
                                                                                    
                                            disable,
                                            
                                                                                    
                                            enable,
                                            
                                                                                    
                                            focus,
                                            
                                                                                    
                                            getClassName,
                                            
                                                                                    
                                            getDefaultLocale,
                                            
                                                                                    
                                            getSkinName,
                                            
                                                                                    
                                            getString,
                                            
                                                                                    
                                            getStrings,
                                            
                                                                                    
                                            hide,
                                            
                                                                                    
                                            initializer,
                                            
                                                                                    
                                            render,
                                            
                                                                                    
                                            renderer,
                                            
                                                                                    
                                            renderUI,
                                            
                                                                                    
                                            show,
                                            
                                                                                    
                                            syncUI,
                                            
                                                                                    
                                            toString
                                            
                                    
                                 
                             
                            
                                Methods inherited from WidgetStack:
                                
                                    
                                                                                    
                                            _addShimResizeHandlers,
                                            
                                                                                    
                                            _afterShimChange,
                                            
                                                                                    
                                            _afterZIndexChange,
                                            
                                                                                    
                                            _bindUIStack,
                                            
                                                                                    
                                            _destroyShim,
                                            
                                                                                    
                                            _detachStackHandles,
                                            
                                                                                    
                                            _getShimTemplate,
                                            
                                                                                    
                                            _renderShim,
                                            
                                                                                    
                                            _renderShimDeferred,
                                            
                                                                                    
                                            _renderUIStack,
                                            
                                                                                    
                                            _setZIndex,
                                            
                                                                                    
                                            _syncUIStack,
                                            
                                                                                    
                                            _uiSetShim,
                                            
                                                                                    
                                            _uiSetZIndex,
                                            
                                                                                    
                                            sizeShim
                                            
                                    
                                 
                             
                            
                                Methods inherited from Attribute:
                                
                                    
                                                                                    
                                            _addAttrs,
                                            
                                                                                    
                                            _addLazyAttr,
                                            
                                                                                    
                                            _defAttrChangeFn,
                                            
                                                                                    
                                            _fireAttrChange,
                                            
                                                                                    
                                            _getAttr,
                                            
                                                                                    
                                            _getAttrInitVal,
                                            
                                                                                    
                                            _getAttrs,
                                            
                                                                                    
                                            _getStateVal,
                                            
                                                                                    
                                            _isLazyAttr,
                                            
                                                                                    
                                            _normAttrVals,
                                            
                                                                                    
                                            _protectAttrs,
                                            
                                                                                    
                                            _set,
                                            
                                                                                    
                                            _setAttr,
                                            
                                                                                    
                                            _setAttrs,
                                            
                                                                                    
                                            _setAttrVal,
                                            
                                                                                    
                                            _setStateVal,
                                            
                                                                                    
                                            addAttr,
                                            
                                                                                    
                                            addAttrs,
                                            
                                                                                    
                                            attrAdded,
                                            
                                                                                    
                                            get,
                                            
                                                                                    
                                            getAttrs,
                                            
                                                                                    
                                            modifyAttr,
                                            
                                                                                    
                                            removeAttr,
                                            
                                                                                    
                                            reset,
                                            
                                                                                    
                                            set,
                                            
                                                                                    
                                            setAttrs
                                            
                                    
                                 
                             
                            
                            
                                Methods inherited from EventTarget:
                                
                                    
                                                                                    
                                            _getType,
                                            
                                                                                    
                                            _monitor,
                                            
                                                                                    
                                            _parseType,
                                            
                                                                                    
                                            addTarget,
                                            
                                                                                    
                                            after,
                                            
                                                                                    
                                            before,
                                            
                                                                                    
                                            bubble,
                                            
                                                                                    
                                            detach,
                                            
                                                                                    
                                            detachAll,
                                            
                                                                                    
                                            fire,
                                            
                                                                                    
                                            getEvent,
                                            
                                                                                    
                                            getTargets,
                                            
                                                                                    
                                            on,
                                            
                                                                                    
                                            once,
                                            
                                                                                    
                                            publish,
                                            
                                                                                    
                                            removeTarget,
                                            
                                                                                    
                                            subscribe,
                                            
                                                                                    
                                            unsubscribe,
                                            
                                                                                    
                                            unsubscribeAll
                                            
                                    
                                 
                             
                            
                                Methods inherited from Base:
                                
                                    
                                                                                    
                                            _aggregateAttrs,
                                            
                                                                                    
                                            _defDestroyFn,
                                            
                                                                                    
                                            _defInitFn,
                                            
                                                                                    
                                            _destroyHierarchy,
                                            
                                                                                    
                                            _filterAttrCfs,
                                            
                                                                                    
                                            _getAttrCfgs,
                                            
                                                                                    
                                            _getClasses,
                                            
                                                                                    
                                            _initHierarchy,
                                            
                                                                                    
                                            _initHierarchyData,
                                            
                                                                                    
                                            _preInitEventCfg,
                                            
                                                                                    
                                            destroy,
                                            
                                                                                    
                                            init,
                                            
                                                                                    
                                            toString
                                            
                                    
                                 
                             
                            
                                
                                
                                    
                                                                                    
                                            _addNodeHTML,
                                            
                                                                                    
                                            _addNodeRef,
                                            
                                                                                    
                                            _afterBodyChange,
                                            
                                                                                    
                                            _afterFillHeightChange,
                                            
                                                                                    
                                            _afterFooterChange,
                                            
                                                                                    
                                            _afterHeaderChange,
                                            
                                                                                    
                                            _applyStdModParsedConfig,
                                            
                                                                                    
                                            _bindUIStdMod,
                                            
                                                                                    
                                            _fillHeight,
                                            
                                                                                    
                                            _findStdModSection,
                                            
                                                                                    
                                            _getPreciseHeight,
                                            
                                                                                    
                                            _getStdModContent,
                                            
                                                                                    
                                            _getStdModTemplate,
                                            
                                                                                    
                                            _insertStdModSection,
                                            
                                                                                    
                                            _parseStdModHTML,
                                            
                                                                                    
                                            _renderStdMod,
                                            
                                                                                    
                                            _renderUIStdMod,
                                            
                                                                                    
                                            _syncUIStdMod,
                                            
                                                                                    
                                            _uiSetFillHeight,
                                            
                                                                                    
                                            _uiSetStdMod,
                                            
                                                                                    
                                            _validateFillHeight,
                                            
                                                                                    
                                            fillHeight,
                                            
                                                                                    
                                            getStdModNode,
                                            
                                                                                    
                                            setStdModContent
                                            
                                    
                                 
                             
                            
                                
                                
                                    
                                                                                    
                                            _afterXYChange,
                                            
                                                                                    
                                            _bindUIPosition,
                                            
                                                                                    
                                            _getX,
                                            
                                                                                    
                                            _getY,
                                            
                                                                                    
                                            _renderUIPosition,
                                            
                                                                                    
                                            _setX,
                                            
                                                                                    
                                            _setY,
                                            
                                                                                    
                                            _syncUIPosition,
                                            
                                                                                    
                                            _uiSetXY,
                                            
                                                                                    
                                            _validateXY,
                                            
                                                                                    
                                            move,
                                            
                                                                                    
                                            syncXY
                                            
                                    
                                 
                             
                            
                         
                     
                    
                                            
                        
                            Events inherited from Widget:
                            
                                
                                        
                                        boundingBoxChange,
                                        
                                                                            
                                        contentBoxChange,
                                        
                                                                            
                                        disabledChange,
                                        
                                                                            
                                        focusedChange,
                                        
                                                                            
                                        heightChange,
                                        
                                                                            
                                        idChange,
                                        
                                                                            
                                        localeChange,
                                        
                                                                            
                                        renderChange,
                                        
                                                                            
                                        renderedChange,
                                        
                                                                            
                                        srcNodeChange,
                                        
                                                                            
                                        stringsChange,
                                        
                                                                            
                                        tabIndexChange,
                                        
                                                                            
                                        visibleChange,
                                        
                                                                            
                                        widget:contentUpdate,
                                        
                                                                            
                                        widget:render,
                                        
                                                                            
                                        widthChange,
                                        
                                    
                                
                             
                         
                        
                        
                        
                            Events inherited from Base:
                            
                         
                        
                        
                        
                         
                     
                    
                                            
                        
                            Configuration attributes inherited from Widget:
                            
                         
                        
                        
                        
                            Configuration attributes inherited from Base: