Class: Directory (private in HierarchicalFileList

• Inheritance
• Description
• Class protocol
  • initialization
• Instance protocol
  • accessing
  • accessing-hierarchy
  • fetching
  • private
  • private-quick children info
  • queries
  • validation

Inheritance:

   Object
   |
   +--AbstractHierarchicalItem
      |
      +--HierarchicalItem
         |
         +--HierarchicalFileList::HierarchicalFileItem
            |
            +--HierarchicalFileList::Directory
               |
               +--HierarchicalFileList::RemoteDirectory

Package:

stx:libwidg2

Category:

Views-Support

Owner:

HierarchicalFileList

Description:

[Instance variables:]

    fetchOperation  <Symbol/Boolean>    nil             if children is nil, no information about has children
                                        #fetching       registered in list to be updated for indication
                                        #hasChildren    registered in list to be updated for indication
                                        #hasNoChildren  has children but children list might be nil (remote)

Class protocol:

 initialize

self initialize

Instance protocol:

 children

returns the collection of children or nil

 icon

returns the icon

 label

returns the printable name, the baseName

 makeIconGray: something

set/clear the flag which enforces the icon to be shown in grey

 modificationTime: something

 readChildren

reads the list of children

 collapse

 expand

expand children; must redefine to raise a notification
if children are not yet initialized and after initialization empty.

 recursiveExpand

redefined to expand

 basicFetchIndicator

do not follow mounted directories automatically (could be an NFS hardlink)

 fetchIndicator

fetch the indicator value which indicates whether children exist or not.
Called by the indocator update process.

 resetFetchIndicator

update indication cycle has deregistered the item

 flushChildren

flush the children because the node is going to be invisible.

 forgetAboutChildren

 isChildrenInfoValid

 isFetchingChildrenInfo

 isKnownToHaveChildren

 isKnownToHaveNoChildren

 knownToHaveChildren: aBoolean

 setFetchingChildrenInfo

 beInAccessible

 canExpand

in case we are currently fetching the subdirectory

 hasChildren

returns true if children exist

 isDirectory

always true here

 isInAccessible

answer true if the directory is not accessible

 invalidateRepairNow: doRepair

invalidate contents

 matchBlockChanged

called if the matchBlock changed

 monitoringCycle

run monitoring cycle
!!!! called by the HierarchicalList only !!!!

 updateList