+
+
+
+
+
+
+
+
+ Class DD.Scroll
+
+ - extends Base
+
+
+
+
+
+
+ - Known Subclasses:
+ -
+
+ Plugin.DDWindowScroll
+
+
+ Plugin.DDNodeScroll
+
+
+
+
+
+
+
+ This class is the base scroller class used to create the Plugin.DDNodeScroll and Plugin.DDWinScroll.
+This class should not be called on it's own, it's designed to be a plugin.
+
+
+
+
Constructor
+
+
+
DD.Scroll
+
+ (
+ )
+
+
+
+
+
+
+
+
+
+
+
+
Properties
+
+
+
_dimCache
+ - private Object
+
+
+
+ Cache of the dragNode dims.
+
+
+
+
+
+
+
+
+
+
_scrolling
+ - private Boolean
+
+
+
+ Tells if we are actively scrolling or not.
+
+
+
+
+
+
+
+
+
+
+
+
+ Holder for the Timer object returned from Y.later.
+
+
+
+
+
+
+
+
+
+
+
+
+ Cache of the Viewport dims.
+
+
+
+
+
+
+
+
+
+
+
+
+
+
Properties inherited from Attribute:
+
+
+
+
+
+
+
+
Properties inherited from Base:
+
+
+
+
+
+
+
+
Methods
+
+
+
+
+
+ private
+
+
+ void
+ _cancelScroll
+ (
+ )
+
+
+
+ Cancel a currently running scroll timer.
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+ private
+
+
+ void
+ _checkWinScroll
+ (
+
+
+ move
+
+
+ )
+
+
+
+ Check to see if we need to fire the scroll timer. If scroll timer is running this will scroll the window.
+
+
+
+
+
+ - Parameters:
+ -
+
move
+ <Boolean>
+
+ Should we move the window. From Y.later
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+ private
+
+
+ void
+ _getVPRegion
+ (
+ )
+
+
+
+ Sets the _vpRegionCache property with an Object containing the dims from the viewport.
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+ private
+
+
+ void
+ _initScroll
+ (
+ )
+
+
+
+ Cancel a previous scroll timer and init a new one.
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+ private
+
+
+ void
+ _setDimCache
+ (
+ )
+
+
+
+ Set the cache of the dragNode dims.
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+ void
+ align
+ (
+ )
+
+
+
+ Called from the drag:align event to determine if we need to scroll.
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+ void
+ end
+ (
+ )
+
+
+
+ Called from the drag:end event
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+ void
+ start
+ (
+ )
+
+
+
+ Called from the drag:start event
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+ toString
+ (
+ )
+
+
+
+ General toString method for logging
+
+
+
+
+
+
+ - Returns:
+
+
+ - String name for the object
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
Methods inherited from EventTarget:
+
+
+
+ _getType,
+
+
+ _parseType,
+
+
+ addTarget,
+
+
+ after,
+
+
+ before,
+
+
+ bubble,
+
+
+ detach,
+
+
+ detachAll,
+
+
+ fire,
+
+
+ getEvent,
+
+
+ on,
+
+
+ publish,
+
+
+ removeTarget,
+
+
+ subscribe,
+
+
+ unsubscribe,
+
+
+ unsubscribeAll
+
+
+
+
+
+
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 Base:
+
+
+
+ _aggregateAttrs,
+
+
+ _defDestroyFn,
+
+
+ _defInitFn,
+
+
+ _destroyHierarchy,
+
+
+ _filterAttrCfs,
+
+
+ _getAttrCfgs,
+
+
+ _getClasses,
+
+
+ _initHierarchy,
+
+
+ _initHierarchyData,
+
+
+ destroy,
+
+
+ init,
+
+
+ toString
+
+
+
+
+
+
+
+
+
+
Events
+
+
+
+
+
+
+
+
+ bufferChange
+
+ (
+
+
+ event
+
+
+ )
+
+
+
+
+ Fires when the value for the configuration attribute 'buffer' is changed. You can listen for the event using the
on method if you wish to be notified before the attribute's value has changed, or using the
after method if you wish to be notified after the attribute's value has changed.
+
+
+
+
+
+
+ - Parameters:
+ -
+
event
+ <Event.Facade>
+
+ An Event Facade object with the following attribute specific properties added: - prevVal
- The value of the attribute, prior to it being set
- newVal
- The value the attribute is to be set to
- attrName
- The name of the attribute being set
- subAttrName
- If setting a property within the attribute's value, the name of the sub-attribute property being set
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+ horizontalChange
+
+ (
+
+
+ event
+
+
+ )
+
+
+
+
+ Fires when the value for the configuration attribute 'horizontal' is changed. You can listen for the event using the
on method if you wish to be notified before the attribute's value has changed, or using the
after method if you wish to be notified after the attribute's value has changed.
+
+
+
+
+
+
+ - Parameters:
+ -
+
event
+ <Event.Facade>
+
+ An Event Facade object with the following attribute specific properties added: - prevVal
- The value of the attribute, prior to it being set
- newVal
- The value the attribute is to be set to
- attrName
- The name of the attribute being set
- subAttrName
- If setting a property within the attribute's value, the name of the sub-attribute property being set
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+ hostChange
+
+ (
+
+
+ event
+
+
+ )
+
+
+
+
+ Fires when the value for the configuration attribute 'host' is changed. You can listen for the event using the
on method if you wish to be notified before the attribute's value has changed, or using the
after method if you wish to be notified after the attribute's value has changed.
+
+
+
+
+
+
+ - Parameters:
+ -
+
event
+ <Event.Facade>
+
+ An Event Facade object with the following attribute specific properties added: - prevVal
- The value of the attribute, prior to it being set
- newVal
- The value the attribute is to be set to
- attrName
- The name of the attribute being set
- subAttrName
- If setting a property within the attribute's value, the name of the sub-attribute property being set
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+ parentScrollChange
+
+ (
+
+
+ event
+
+
+ )
+
+
+
+
+ Fires when the value for the configuration attribute 'parentScroll' is changed. You can listen for the event using the
on method if you wish to be notified before the attribute's value has changed, or using the
after method if you wish to be notified after the attribute's value has changed.
+
+
+
+
+
+
+ - Parameters:
+ -
+
event
+ <Event.Facade>
+
+ An Event Facade object with the following attribute specific properties added: - prevVal
- The value of the attribute, prior to it being set
- newVal
- The value the attribute is to be set to
- attrName
- The name of the attribute being set
- subAttrName
- If setting a property within the attribute's value, the name of the sub-attribute property being set
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+ scrollDelayChange
+
+ (
+
+
+ event
+
+
+ )
+
+
+
+
+ Fires when the value for the configuration attribute 'scrollDelay' is changed. You can listen for the event using the
on method if you wish to be notified before the attribute's value has changed, or using the
after method if you wish to be notified after the attribute's value has changed.
+
+
+
+
+
+
+ - Parameters:
+ -
+
event
+ <Event.Facade>
+
+ An Event Facade object with the following attribute specific properties added: - prevVal
- The value of the attribute, prior to it being set
- newVal
- The value the attribute is to be set to
- attrName
- The name of the attribute being set
- subAttrName
- If setting a property within the attribute's value, the name of the sub-attribute property being set
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+ verticalChange
+
+ (
+
+
+ event
+
+
+ )
+
+
+
+
+ Fires when the value for the configuration attribute 'vertical' is changed. You can listen for the event using the
on method if you wish to be notified before the attribute's value has changed, or using the
after method if you wish to be notified after the attribute's value has changed.
+
+
+
+
+
+
+ - Parameters:
+ -
+
event
+ <Event.Facade>
+
+ An Event Facade object with the following attribute specific properties added: - prevVal
- The value of the attribute, prior to it being set
- newVal
- The value the attribute is to be set to
- attrName
- The name of the attribute being set
- subAttrName
- If setting a property within the attribute's value, the name of the sub-attribute property being set
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+ windowScrollChange
+
+ (
+
+
+ event
+
+
+ )
+
+
+
+
+ Fires when the value for the configuration attribute 'windowScroll' is changed. You can listen for the event using the
on method if you wish to be notified before the attribute's value has changed, or using the
after method if you wish to be notified after the attribute's value has changed.
+
+
+
+
+
+
+ - Parameters:
+ -
+
event
+ <Event.Facade>
+
+ An Event Facade object with the following attribute specific properties added: - prevVal
- The value of the attribute, prior to it being set
- newVal
- The value the attribute is to be set to
- attrName
- The name of the attribute being set
- subAttrName
- If setting a property within the attribute's value, the name of the sub-attribute property being set
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
Events inherited from Base:
+
+
+
+
+
+
+
+
Configuration Attributes
+
+
+
buffer
+ - Number
+
+
+
+ The number of pixels from the edge of the screen to turn on scrolling. Default: 30
+
+
+
+
+
+
+
+
+
+
+
+ Allow horizontal scrolling, default: true.
+
+
+
+
+
+
+
+
+
host
+ - Object
+
+
+
+ The host we are plugged into.
+
+
+
+
+
+
+
+
+
+
+
+ Internal config option to hold the node that we are scrolling. Should not be set by the developer.
+
+
+
+
+
+
+
+
+
+
+
+ The number of milliseconds delay to pass to the auto scroller. Default: 235
+
+
+
+
+
+
+
+
+
+
+
+ Allow vertical scrolling, default: true.
+
+
+
+
+
+
+
+
+
+
+
+ Turn on window scroll support, default: false
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+