author | penk |
Mon, 14 Oct 2002 11:18:00 +0200 | |
changeset 2290 | 29e279812a45 |
parent 2272 | a1a26c6f5f11 |
child 2293 | f535bb1fb8ce |
permissions | -rw-r--r-- |
1431 | 1 |
" |
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COPYRIGHT (c) 1999 by eXept Software AG |
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All Rights Reserved |
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This software is furnished under a license and may be used |
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only in accordance with the terms of that license and with the |
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inclusion of the above copyright notice. This software may not |
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be provided or otherwise made available to, or used by, any |
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other person. No title to or ownership of the software is |
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hereby transferred. |
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" |
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"{ Package: 'stx:libwidg2' }" |
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HierarchicalList subclass:#HierarchicalFileList |
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instanceVariableNames:'matchBlock showCursor mountPoints indicatorList indicatorTask' |
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classVariableNames:'' |
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poolDictionaries:'' |
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category:'Views-Support' |
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! |
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HierarchicalItem subclass:#HierarchicalFileItem |
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instanceVariableNames:'fileName icon fileInfo' |
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classVariableNames:'' |
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poolDictionaries:'' |
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privateIn:HierarchicalFileList |
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! |
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HierarchicalFileList::HierarchicalFileItem subclass:#File |
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instanceVariableNames:'' |
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classVariableNames:'' |
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poolDictionaries:'' |
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privateIn:HierarchicalFileList |
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! |
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HierarchicalFileList::HierarchicalFileItem subclass:#Directory |
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instanceVariableNames:'modificationTime fetchOperation' |
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classVariableNames:'' |
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poolDictionaries:'' |
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privateIn:HierarchicalFileList |
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! |
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HierarchicalFileList::Directory subclass:#RemoteDirectory |
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instanceVariableNames:'' |
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classVariableNames:'' |
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poolDictionaries:'' |
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privateIn:HierarchicalFileList |
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! |
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!HierarchicalFileList class methodsFor:'documentation'! |
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copyright |
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" |
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COPYRIGHT (c) 1999 by eXept Software AG |
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All Rights Reserved |
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||
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This software is furnished under a license and may be used |
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only in accordance with the terms of that license and with the |
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inclusion of the above copyright notice. This software may not |
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be provided or otherwise made available to, or used by, any |
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other person. No title to or ownership of the software is |
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hereby transferred. |
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" |
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! ! |
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!HierarchicalFileList class methodsFor:'examples'! |
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examples |
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" |
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[exBegin] |
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|top sel list| |
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list := HierarchicalFileList new. |
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list directory:(Filename homeDirectory). |
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list showRoot:false. |
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list matchBlock:[:fn :isDir| true ]. |
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top := StandardSystemView new; extent:300@300. |
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sel := ScrollableView for:HierarchicalListView miniScroller:true |
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origin:0.0@0.0 corner:1.0@1.0 in:top. |
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sel doubleClickAction:[:i| (list at:i) toggleExpand ]. |
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sel indicatorAction:[:i| (list at:i) toggleExpand ]. |
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sel list:list. |
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list monitoringTaskDelay:0.2. |
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top open. |
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[exEnd] |
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" |
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! ! |
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!HierarchicalFileList class methodsFor:'helpers'! |
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itemFor:aFileOrDirectoryName fileType:fileType |
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"instance creation helper |
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" |
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fileType == #directory ifTrue:[ |
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^ Directory fileName:aFileOrDirectoryName. |
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]. |
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fileType == #remoteDirectory ifTrue:[ |
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^ RemoteDirectory fileName:aFileOrDirectoryName. |
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]. |
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^ File fileName:aFileOrDirectoryName. |
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! ! |
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!HierarchicalFileList methodsFor:'accessing'! |
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directory |
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"returns the root directory or nil |
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" |
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^ root notNil ifTrue:[root fileName] ifFalse:[nil] |
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! |
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directory:aDirectory |
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"set the root directory or nil |
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" |
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self directory:aDirectory expand:true |
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! |
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directory:aDirectory expand:doExpand |
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"set the root directory or nil |
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" |
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|directory| |
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"/ must explicitly enabled by user: ca |
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"/ monitoringTaskDelay := 1. |
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(aDirectory notNil and:[(directory := aDirectory asFilename) exists]) ifTrue:[ |
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directory isDirectory ifFalse:[ |
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directory := directory directory |
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] |
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] ifFalse:[ |
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directory := nil |
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]. |
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directory = self directory ifFalse:[ |
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directory notNil ifTrue:[ |
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directory := self class itemFor:directory fileType:#directory. |
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doExpand ifTrue:[ directory setExpanded:true ]. |
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]. |
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self root:directory |
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]. |
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! |
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root:aRoot |
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"stop update-task |
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" |
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self criticalDo:[ |
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indicatorList ifNotNil:[ |
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indicatorList do:[:el| el resetFetchIndicator ]. |
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indicatorList removeAll. |
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] |
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]. |
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aRoot ifNotNil:[ |
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self showRoot ifFalse:[aRoot setExpanded:true ] |
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]. |
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^ super root:aRoot |
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! ! |
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!HierarchicalFileList methodsFor:'actions'! |
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matchBlock |
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"set the matchBlock - if non-nil, it controls which files are visible. |
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" |
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^ matchBlock |
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! |
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matchBlock:aBlock |
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"set the matchBlock - if non-nil, it controls which files are visible. |
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" |
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matchBlock := aBlock. |
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root notNil ifTrue:[ |
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self recursionLock critical:[ |
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self stopMonitoringTask. |
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root matchBlockChanged. |
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]. |
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self startMonitoringTask. |
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]. |
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! ! |
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!HierarchicalFileList methodsFor:'private monitoring task'! |
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monitoringCycle |
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"the block evaluated by the monitoring task; test whether directory is expanded |
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otherwise we have not to evaluate the directory contents. |
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think about remote file-systems |
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" |
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|index item mountInfo| |
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"/ mountPoints isNil ifTrue:[ |
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"/ mountPoints := OperatingSystem mountPoints. |
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"/ ]. |
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item := root. |
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index := showRoot ifTrue:[1] ifFalse:[0]. |
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item isNil ifTrue:[ |
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item := self at:index ifAbsent:nil. |
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]. |
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[item notNil] whileTrue:[ |
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item isDirectory ifTrue:[ |
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item monitoringCycle |
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]. |
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"/ item isDirectory ifTrue:[ |
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"/ (item getChildren isNil) ifTrue:[ |
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"/ "/ care for auto-mount points - we dont want to look into those automatically |
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"/ "/ i.e. user must explicitely click into them |
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"/ mountInfo := mountPoints detect:[:mInfo | mInfo mountPointPath = item fileName name] ifNone:nil. |
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"/ (mountInfo notNil and:[mountInfo isRemote]) ifTrue:[ |
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"/ "/ type := #remoteFileSystem. |
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"/ item readChildren |
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"/ ] ifFalse:[ |
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"/ "/ must read children info |
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"/ item readChildren |
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"/ ]. |
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"/ ] ifFalse:[ |
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"/ "/ children already initialized; thus we can update the contents |
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"/ item monitoringCycle |
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"/ ]. |
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"/ ]. |
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Processor yield. |
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index := index + 1. |
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item := self at:index ifAbsent:nil. |
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]. |
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! ! |
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!HierarchicalFileList methodsFor:'protocol'! |
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childrenFor:anItem |
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"returns all visible children derived from the physical |
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directory contents. |
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" |
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|contents list matchBlock| |
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anItem isDirectory ifFalse:[^ #()]. |
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contents := DirectoryContents directoryNamed:anItem fileName. |
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contents ifNil:[ ^ #() ]. |
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list := OrderedCollection new. |
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matchBlock := self matchBlockFor:anItem. |
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matchBlock isNil ifTrue:[ |
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matchBlock := [:fn :isDir | true]. |
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]. |
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contents itemsDo:[:item | |
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|fn isDir type| |
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fn := item fileName. |
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isDir := item isDirectory. |
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(matchBlock value:fn value:isDir) ifTrue:[ |
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|hierarchicalItem| |
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hierarchicalItem := self class itemFor:fn fileType:item type. |
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266 |
list add:hierarchicalItem. |
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] |
268 |
]. |
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2130 | 270 |
list isEmpty ifTrue:[^ #()]. |
2248 | 271 |
list sort:[:a :b| |
272 |
a isDirectory == b isDirectory ifTrue:[a baseName <= b baseName] |
|
273 |
ifFalse:[a isDirectory]. |
|
274 |
]. |
|
275 |
^ list |
|
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! |
277 |
||
278 |
hasChildrenFor:anItem |
|
279 |
"returns true if the physical directory contains at least |
|
280 |
one visible item otherwise false. |
|
281 |
" |
|
282 |
|block| |
|
283 |
||
284 |
anItem isDirectory ifFalse:[ |
|
285 |
^ false |
|
286 |
]. |
|
287 |
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288 |
(block := self matchBlockFor:anItem) isNil ifTrue:[ |
|
289 |
block := [:aFilename :isDirectory| true ] |
|
290 |
]. |
|
291 |
^ DirectoryContents directoryNamed:(anItem fileName) detect:block |
|
292 |
! |
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293 |
||
294 |
iconFor:anItem |
|
295 |
"returns the icon for an item |
|
296 |
" |
|
297 |
||
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(anItem isExpanded and:[anItem hasChildren]) ifTrue:[ |
299 |
^ FileBrowser iconForKeyMatching:#directoryOpen |
|
1390 | 300 |
]. |
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301 |
(anItem isRemoteDirectory) ifTrue:[ |
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|
302 |
^ FileBrowser iconForKeyMatching:#directoryNetwork |
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303 |
]. |
2180 | 304 |
^ FileBrowser iconForFile:(anItem fileName) |
1390 | 305 |
! |
306 |
||
307 |
matchBlockFor:anItem |
|
308 |
"get the matchBlock - if non-nil, it controls which files are |
|
309 |
visible within the physical directory |
|
310 |
" |
|
311 |
^ matchBlock |
|
312 |
! ! |
|
313 |
||
1581 | 314 |
!HierarchicalFileList methodsFor:'searching'! |
315 |
||
2272 | 316 |
findLastForFile:aPathOrFile |
317 |
"find last item which matches the path or file |
|
318 |
returns the item or nil if not contained in self |
|
1581 | 319 |
" |
2272 | 320 |
|file searchItem rootDir rootComponents searchComponents| |
1581 | 321 |
|
2272 | 322 |
(aPathOrFile isNil or:[root isNil]) ifTrue:[ |
1582 | 323 |
^ nil |
1581 | 324 |
]. |
325 |
||
2272 | 326 |
file := aPathOrFile asFilename. |
327 |
file exists ifFalse:[ ^ nil ]. |
|
1581 | 328 |
|
2272 | 329 |
rootDir := root fileName asAbsoluteFilename. |
2290
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|
330 |
"/ file := file asAbsoluteFilename. |
2272 | 331 |
|
1581 | 332 |
|
2290
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|
333 |
"/ (file pathName startsWith:(rootDir pathName)) ifFalse:[ |
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|
334 |
(file asString startsWith:(rootDir pathName)) ifFalse:[ |
2272 | 335 |
"not included" |
336 |
^ nil |
|
1581 | 337 |
]. |
2272 | 338 |
rootComponents := rootDir components. |
339 |
searchComponents := file components. |
|
340 |
searchItem := root. |
|
1581 | 341 |
|
2272 | 342 |
searchComponents from:(rootComponents size + 1) do:[:aName| |child| |
343 |
child := searchItem detect:[:el| el baseName = aName ] ifNone:nil. |
|
344 |
||
345 |
child isNil ifTrue:[ ^ searchItem ]. |
|
346 |
searchItem := child. |
|
1581 | 347 |
]. |
2272 | 348 |
^ searchItem |
1581 | 349 |
! ! |
350 |
||
2259 | 351 |
!HierarchicalFileList methodsFor:'update'! |
352 |
||
353 |
startIndicatorValidationFor:anItem |
|
354 |
"an item will be registered for an indication update |
|
355 |
" |
|
356 |
|prio| |
|
357 |
||
358 |
self criticalDo:[ |
|
359 |
indicatorList size == 0 ifTrue:[ |
|
360 |
indicatorList := OrderedCollection new. |
|
361 |
] ifFalse:[ |
|
362 |
indicatorList removeIdentical:anItem ifAbsent:nil. |
|
363 |
]. |
|
364 |
"/ indicatorList addFirst:anItem. |
|
365 |
indicatorList add:anItem. |
|
366 |
||
367 |
indicatorTask ifNil:[ |
|
368 |
prio := Processor activePriority. |
|
369 |
indicatorTask := [ self updateIndicatorCycle. ] forkAt:(prio - 1). |
|
370 |
indicatorTask priorityRange:(prio-1 to:prio). |
|
371 |
] |
|
372 |
]. |
|
373 |
! |
|
374 |
||
375 |
stopIndicatorValidationFor:anItem |
|
376 |
"stop the indicator validation for an item |
|
377 |
" |
|
378 |
self criticalDo:[ |
|
379 |
indicatorList ifNotNil:[ |
|
380 |
indicatorList removeIdentical:anItem ifAbsent:nil. |
|
381 |
anItem resetFetchIndicator. |
|
382 |
] |
|
383 |
]. |
|
384 |
! |
|
385 |
||
386 |
updateIndicatorCycle |
|
387 |
"run fetching indicator task cycle. |
|
388 |
This is done in the background to avoid long startup |
|
389 |
delays, in case the indicator information takes long to |
|
390 |
gather (i.e. when reading directories) |
|
391 |
" |
|
392 |
|repeat task item| |
|
393 |
||
394 |
repeat := true. |
|
395 |
task := indicatorTask. |
|
396 |
||
397 |
[ [ task notNil ] whileTrue:[ |
|
398 |
self criticalDo:[ |
|
399 |
( dependents size ~~ 0 "/ no dependencies (stop task) |
|
400 |
and:[indicatorList size ~~ 0] "/ nothing to do |
|
401 |
) ifTrue:[ |
|
402 |
item := indicatorList removeFirst. |
|
403 |
||
404 |
(self includesIdentical:item) ifFalse:[ |
|
405 |
"/ no longer visible |
|
406 |
item resetFetchIndicator. |
|
407 |
item := nil |
|
408 |
] |
|
409 |
] ifFalse:[ |
|
410 |
item := indicatorTask := task := nil |
|
411 |
] |
|
412 |
]. |
|
413 |
item ifNotNil:[ |
|
414 |
item fetchIndicator. |
|
415 |
Processor yield. |
|
416 |
]. |
|
417 |
] |
|
418 |
] valueNowOrOnUnwindDo:[ |
|
419 |
task ifNotNil:[ |
|
420 |
"/ oops, process terminated |
|
421 |
self criticalDo:[ |
|
422 |
"/ test whether a new task already started |
|
423 |
indicatorTask == task ifTrue:[ |
|
424 |
indicatorTask := nil |
|
425 |
] |
|
426 |
] |
|
427 |
] |
|
428 |
]. |
|
429 |
! ! |
|
430 |
||
2223
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monitoring; delayed for directories; never for remoteDirectories
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parents:
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changeset
|
431 |
!HierarchicalFileList::HierarchicalFileItem class methodsFor:'instance creation'! |
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monitoring; delayed for directories; never for remoteDirectories
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parents:
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diff
changeset
|
432 |
|
c34e7fd25e53
monitoring; delayed for directories; never for remoteDirectories
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parents:
2180
diff
changeset
|
433 |
fileName:aFileName |
c34e7fd25e53
monitoring; delayed for directories; never for remoteDirectories
penk
parents:
2180
diff
changeset
|
434 |
"instance creation |
c34e7fd25e53
monitoring; delayed for directories; never for remoteDirectories
penk
parents:
2180
diff
changeset
|
435 |
" |
c34e7fd25e53
monitoring; delayed for directories; never for remoteDirectories
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parents:
2180
diff
changeset
|
436 |
^ self new fileName:aFileName. |
c34e7fd25e53
monitoring; delayed for directories; never for remoteDirectories
penk
parents:
2180
diff
changeset
|
437 |
! |
1390 | 438 |
|
439 |
fileName:aFileName isDirectory:isDirectory |
|
440 |
"instance creation |
|
441 |
" |
|
442 |
|item| |
|
443 |
||
2223
c34e7fd25e53
monitoring; delayed for directories; never for remoteDirectories
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diff
changeset
|
444 |
item := isDirectory ifTrue:[HierarchicalFileList::Directory new] ifFalse:[HierarchicalFileList::File new]. |
1390 | 445 |
item fileName:aFileName. |
446 |
^ item |
|
447 |
! ! |
|
448 |
||
2223
c34e7fd25e53
monitoring; delayed for directories; never for remoteDirectories
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parents:
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diff
changeset
|
449 |
!HierarchicalFileList::HierarchicalFileItem methodsFor:'accessing'! |
1390 | 450 |
|
451 |
baseName |
|
452 |
"returns the baseName |
|
453 |
" |
|
2138 | 454 |
^ fileName baseName. |
455 |
"/ ^ baseName |
|
1390 | 456 |
! |
457 |
||
2270 | 458 |
changed:aParameter |
459 |
"the item changed; raise change notification |
|
460 |
" |
|
461 |
aParameter == #icon ifTrue:[ icon := nil ]. |
|
462 |
super changed:aParameter. |
|
463 |
! |
|
464 |
||
1390 | 465 |
fileName |
466 |
"returns the fileName |
|
467 |
" |
|
468 |
^ fileName |
|
469 |
||
470 |
||
471 |
! |
|
472 |
||
473 |
fileName:fname |
|
474 |
"instance creation |
|
475 |
" |
|
476 |
fileName := fname. |
|
2138 | 477 |
"/ baseName := fname baseName. |
1390 | 478 |
! |
479 |
||
2267 | 480 |
filePropertyFor:aKey |
481 |
||
482 |
| suffix retVal | |
|
483 |
||
484 |
fileInfo isNil ifTrue:[ |
|
485 |
fileInfo := IdentityDictionary new. |
|
486 |
]. |
|
487 |
retVal := fileInfo at:aKey ifAbsent:nil. |
|
488 |
retVal notNil ifTrue:[ ^ retVal]. |
|
489 |
aKey == #suffix ifTrue:[ |
|
490 |
suffix := (OperatingSystem isUNIXlike and:[(self baseName at:1) == $.]) ifTrue:[ |
|
491 |
suffix := ''. |
|
492 |
] ifFalse:[ |
|
493 |
suffix := fileName suffix. |
|
494 |
]. |
|
495 |
fileInfo at:#suffix put:suffix. |
|
496 |
^ suffix |
|
497 |
]. |
|
498 |
aKey == #permissions ifTrue:[ |
|
499 |
| permissions mode | |
|
500 |
(mode := self valueAt:#mode) notNil ifTrue:[ |
|
501 |
permissions := String new:9 withAll:$-. |
|
502 |
||
503 |
1 to:9 by:3 do:[:i| |
|
504 |
(mode bitAt:i ) == 1 ifTrue:[permissions at:10 - i put:$x]. |
|
505 |
(mode bitAt:i + 1) == 1 ifTrue:[permissions at:9 - i put:$w]. |
|
506 |
(mode bitAt:i + 2) == 1 ifTrue:[permissions at:8 - i put:$r]. |
|
507 |
] |
|
508 |
]. |
|
509 |
fileInfo at:#permissions put:(permissions ? '???'). |
|
510 |
^ permissions |
|
511 |
]. |
|
512 |
aKey == #owner ifTrue:[ |
|
513 |
| uid owner | |
|
514 |
uid := self valueAt:#uid. |
|
515 |
owner := uid notNil ifTrue:[OperatingSystem getUserNameFromID:uid] ifFalse:[^ '???']. |
|
516 |
fileInfo at:#owner put:owner. |
|
517 |
^ owner |
|
518 |
]. |
|
519 |
aKey == #group ifTrue:[ |
|
520 |
| gid group | |
|
521 |
gid := self valueAt:#gid. |
|
522 |
group := gid notNil ifTrue:[OperatingSystem getGroupNameFromID:gid] ifFalse:[^ '???']. |
|
523 |
fileInfo at:#group put:group. |
|
524 |
^ group |
|
525 |
]. |
|
526 |
^ nil |
|
527 |
! |
|
528 |
||
1390 | 529 |
icon |
530 |
"returns the icon key |
|
531 |
" |
|
532 |
|model| |
|
533 |
||
2223
c34e7fd25e53
monitoring; delayed for directories; never for remoteDirectories
penk
parents:
2180
diff
changeset
|
534 |
icon isNil ifTrue:[ |
c34e7fd25e53
monitoring; delayed for directories; never for remoteDirectories
penk
parents:
2180
diff
changeset
|
535 |
model := self model. |
c34e7fd25e53
monitoring; delayed for directories; never for remoteDirectories
penk
parents:
2180
diff
changeset
|
536 |
model ifNil:[^ nil]. |
2095 | 537 |
|
2223
c34e7fd25e53
monitoring; delayed for directories; never for remoteDirectories
penk
parents:
2180
diff
changeset
|
538 |
icon := model iconFor:self. |
1390 | 539 |
]. |
2223
c34e7fd25e53
monitoring; delayed for directories; never for remoteDirectories
penk
parents:
2180
diff
changeset
|
540 |
^ icon. |
1390 | 541 |
! |
542 |
||
543 |
label |
|
544 |
"returns the printable name, the baseName |
|
545 |
" |
|
2138 | 546 |
^ self baseName |
1390 | 547 |
! |
548 |
||
549 |
pathName |
|
550 |
"returns the pathName |
|
551 |
" |
|
552 |
^ fileName pathName |
|
2267 | 553 |
! |
554 |
||
555 |
valueAt:aKey |
|
556 |
||
557 |
|info suffix permissions mode| |
|
558 |
||
559 |
fileInfo isNil ifTrue:[ |
|
560 |
fileInfo := IdentityDictionary new. |
|
561 |
self isRemoteDirectory ifTrue:[ |
|
562 |
"/ do not access, to avoid automount |
|
563 |
] ifFalse:[ |
|
564 |
info := fileName linkInfo. |
|
565 |
info isNil ifTrue:[ |
|
566 |
info := fileName info. |
|
567 |
]. |
|
568 |
info notNil ifTrue:[ |
|
569 |
fileInfo at:#size put:(info size). |
|
570 |
fileInfo at:#mode put:(info mode). |
|
571 |
fileInfo at:#type put:(info type). |
|
572 |
fileInfo at:#uid put:(info uid). |
|
573 |
fileInfo at:#gid put:(info gid). |
|
574 |
fileInfo at:#accessed put:(info accessed). |
|
575 |
fileInfo at:#modified put:(info modified). |
|
576 |
]. |
|
577 |
suffix := (OperatingSystem isUNIXlike and:[(self baseName at:1) == $.]) ifTrue:[ |
|
578 |
suffix := ''. |
|
579 |
] ifFalse:[ |
|
580 |
suffix := fileName suffix. |
|
581 |
]. |
|
582 |
fileInfo at:#suffix put:suffix. |
|
583 |
(mode := self valueAt:#mode) notNil ifTrue:[ |
|
584 |
permissions := String new:9 withAll:$-. |
|
585 |
||
586 |
1 to:9 by:3 do:[:i| |
|
587 |
(mode bitAt:i ) == 1 ifTrue:[permissions at:10 - i put:$x]. |
|
588 |
(mode bitAt:i + 1) == 1 ifTrue:[permissions at:9 - i put:$w]. |
|
589 |
(mode bitAt:i + 2) == 1 ifTrue:[permissions at:8 - i put:$r]. |
|
590 |
] |
|
591 |
]. |
|
592 |
fileInfo at:#permissions put:(permissions ? '???'). |
|
593 |
] |
|
594 |
]. |
|
595 |
^ fileInfo at:aKey ifAbsent:nil |
|
1390 | 596 |
! ! |
597 |
||
2223
c34e7fd25e53
monitoring; delayed for directories; never for remoteDirectories
penk
parents:
2180
diff
changeset
|
598 |
!HierarchicalFileList::HierarchicalFileItem methodsFor:'invalidate'! |
1390 | 599 |
|
600 |
invalidate |
|
601 |
"invalidate the contents |
|
602 |
" |
|
603 |
self invalidateRepairNow:false |
|
604 |
||
605 |
! |
|
606 |
||
607 |
invalidateRepairNow |
|
608 |
"invalidate the contents; repair now |
|
609 |
" |
|
610 |
self invalidateRepairNow:true |
|
611 |
||
612 |
! |
|
613 |
||
614 |
invalidateRepairNow:doRepair |
|
615 |
"invalidate the contents; dependent on the boolean |
|
616 |
do repair immediately |
|
617 |
" |
|
618 |
||
619 |
||
1866 | 620 |
! |
621 |
||
622 |
matchBlockChanged |
|
623 |
"called if the matchBlock changed |
|
624 |
" |
|
625 |
||
1390 | 626 |
! ! |
627 |
||
2223
c34e7fd25e53
monitoring; delayed for directories; never for remoteDirectories
penk
parents:
2180
diff
changeset
|
628 |
!HierarchicalFileList::HierarchicalFileItem methodsFor:'printing'! |
2127 | 629 |
|
630 |
printString |
|
631 |
||
632 |
^ super printString, ' for: ', self fileName asString |
|
633 |
! ! |
|
634 |
||
2270 | 635 |
!HierarchicalFileList::HierarchicalFileItem methodsFor:'protocol'! |
636 |
||
637 |
flushChildren |
|
638 |
"flush the children because node not visible .... |
|
639 |
canbe redefined by subclass |
|
640 |
" |
|
641 |
children := nil. |
|
642 |
! ! |
|
643 |
||
2223
c34e7fd25e53
monitoring; delayed for directories; never for remoteDirectories
penk
parents:
2180
diff
changeset
|
644 |
!HierarchicalFileList::HierarchicalFileItem methodsFor:'queries'! |
c34e7fd25e53
monitoring; delayed for directories; never for remoteDirectories
penk
parents:
2180
diff
changeset
|
645 |
|
2267 | 646 |
fileSize |
647 |
||
648 |
^ self valueAt:#size |
|
649 |
! |
|
650 |
||
651 |
group |
|
652 |
"returns the owner |
|
653 |
" |
|
654 |
^ self filePropertyFor:#group. |
|
655 |
! |
|
656 |
||
2223
c34e7fd25e53
monitoring; delayed for directories; never for remoteDirectories
penk
parents:
2180
diff
changeset
|
657 |
isDirectory |
c34e7fd25e53
monitoring; delayed for directories; never for remoteDirectories
penk
parents:
2180
diff
changeset
|
658 |
^ false |
c34e7fd25e53
monitoring; delayed for directories; never for remoteDirectories
penk
parents:
2180
diff
changeset
|
659 |
! |
c34e7fd25e53
monitoring; delayed for directories; never for remoteDirectories
penk
parents:
2180
diff
changeset
|
660 |
|
c34e7fd25e53
monitoring; delayed for directories; never for remoteDirectories
penk
parents:
2180
diff
changeset
|
661 |
isRemoteDirectory |
c34e7fd25e53
monitoring; delayed for directories; never for remoteDirectories
penk
parents:
2180
diff
changeset
|
662 |
^ false |
2267 | 663 |
! |
664 |
||
665 |
owner |
|
666 |
"returns the owner |
|
667 |
" |
|
668 |
^ self filePropertyFor:#owner. |
|
669 |
! |
|
670 |
||
671 |
permissions |
|
672 |
||
673 |
^ self filePropertyFor:#permissions |
|
674 |
! |
|
675 |
||
676 |
suffix |
|
677 |
||
678 |
^ self filePropertyFor:#suffix. |
|
679 |
! |
|
680 |
||
681 |
time |
|
682 |
||
683 |
^ self valueAt:#modified |
|
2223
c34e7fd25e53
monitoring; delayed for directories; never for remoteDirectories
penk
parents:
2180
diff
changeset
|
684 |
! ! |
c34e7fd25e53
monitoring; delayed for directories; never for remoteDirectories
penk
parents:
2180
diff
changeset
|
685 |
|
c34e7fd25e53
monitoring; delayed for directories; never for remoteDirectories
penk
parents:
2180
diff
changeset
|
686 |
!HierarchicalFileList::File methodsFor:'accessing'! |
c34e7fd25e53
monitoring; delayed for directories; never for remoteDirectories
penk
parents:
2180
diff
changeset
|
687 |
|
c34e7fd25e53
monitoring; delayed for directories; never for remoteDirectories
penk
parents:
2180
diff
changeset
|
688 |
children |
c34e7fd25e53
monitoring; delayed for directories; never for remoteDirectories
penk
parents:
2180
diff
changeset
|
689 |
"always returns an empty list |
c34e7fd25e53
monitoring; delayed for directories; never for remoteDirectories
penk
parents:
2180
diff
changeset
|
690 |
" |
c34e7fd25e53
monitoring; delayed for directories; never for remoteDirectories
penk
parents:
2180
diff
changeset
|
691 |
^ #() |
c34e7fd25e53
monitoring; delayed for directories; never for remoteDirectories
penk
parents:
2180
diff
changeset
|
692 |
! ! |
c34e7fd25e53
monitoring; delayed for directories; never for remoteDirectories
penk
parents:
2180
diff
changeset
|
693 |
|
1390 | 694 |
!HierarchicalFileList::File methodsFor:'queries'! |
695 |
||
696 |
hasChildren |
|
697 |
"always returns false |
|
698 |
" |
|
699 |
^ false |
|
700 |
! ! |
|
701 |
||
2259 | 702 |
!HierarchicalFileList::Directory class methodsFor:'documentation'! |
703 |
||
704 |
documentation |
|
705 |
" |
|
706 |
[Instance variables:] |
|
707 |
||
2267 | 708 |
fetchOperation <Symbol/Boolean> nil if children is nil, no information about has children |
709 |
#fetching registered in list to be updated for indication |
|
710 |
#hasChildren registered in list to be updated for indication |
|
711 |
#hasNoChildren has children but children list might be nil (remote) |
|
2259 | 712 |
" |
713 |
! ! |
|
714 |
||
2223
c34e7fd25e53
monitoring; delayed for directories; never for remoteDirectories
penk
parents:
2180
diff
changeset
|
715 |
!HierarchicalFileList::Directory methodsFor:'accessing'! |
1390 | 716 |
|
717 |
children |
|
718 |
"returns the list of children |
|
719 |
" |
|
2223
c34e7fd25e53
monitoring; delayed for directories; never for remoteDirectories
penk
parents:
2180
diff
changeset
|
720 |
|model| |
1390 | 721 |
|
2259 | 722 |
children ifNotNil:[ ^ children ]. |
1390 | 723 |
|
2259 | 724 |
model := self model. |
725 |
model ifNil:[ ^ nil ]. |
|
1390 | 726 |
|
2259 | 727 |
model criticalDo:[ |
728 |
children ifNil:[ self readChildren ]. |
|
2223
c34e7fd25e53
monitoring; delayed for directories; never for remoteDirectories
penk
parents:
2180
diff
changeset
|
729 |
]. |
c34e7fd25e53
monitoring; delayed for directories; never for remoteDirectories
penk
parents:
2180
diff
changeset
|
730 |
^ children |
c34e7fd25e53
monitoring; delayed for directories; never for remoteDirectories
penk
parents:
2180
diff
changeset
|
731 |
! |
c34e7fd25e53
monitoring; delayed for directories; never for remoteDirectories
penk
parents:
2180
diff
changeset
|
732 |
|
2270 | 733 |
flushChildren |
734 |
"flush the children because node not visible .... |
|
735 |
" |
|
736 |
children ifNotNil:[ |
|
737 |
"keep hasChildren information |
|
738 |
" |
|
739 |
children size ~~ 0 ifTrue:[ fetchOperation := #hasChildren ] |
|
740 |
ifFalse:[ fetchOperation := #hasNoChildren ]. |
|
741 |
children := nil. |
|
742 |
]. |
|
743 |
! |
|
744 |
||
2223
c34e7fd25e53
monitoring; delayed for directories; never for remoteDirectories
penk
parents:
2180
diff
changeset
|
745 |
readChildren |
c34e7fd25e53
monitoring; delayed for directories; never for remoteDirectories
penk
parents:
2180
diff
changeset
|
746 |
"reads the list of children |
c34e7fd25e53
monitoring; delayed for directories; never for remoteDirectories
penk
parents:
2180
diff
changeset
|
747 |
" |
2259 | 748 |
|model list hadChildren hasChildren| |
749 |
||
750 |
model := self model. |
|
2223
c34e7fd25e53
monitoring; delayed for directories; never for remoteDirectories
penk
parents:
2180
diff
changeset
|
751 |
|
2259 | 752 |
model ifNil:[ |
2223
c34e7fd25e53
monitoring; delayed for directories; never for remoteDirectories
penk
parents:
2180
diff
changeset
|
753 |
"/ must reread later |
2259 | 754 |
fetchOperation := modificationTime := children := nil. |
755 |
^ nil |
|
2223
c34e7fd25e53
monitoring; delayed for directories; never for remoteDirectories
penk
parents:
2180
diff
changeset
|
756 |
]. |
c34e7fd25e53
monitoring; delayed for directories; never for remoteDirectories
penk
parents:
2180
diff
changeset
|
757 |
|
2259 | 758 |
hadChildren := children size ~~ 0. |
759 |
||
760 |
"/ set to suppress reading of children |
|
1867 | 761 |
children := #(). |
2259 | 762 |
fetchOperation := nil. |
1867 | 763 |
modificationTime := fileName modificationTime. |
2259 | 764 |
model stopIndicatorValidationFor:self. |
765 |
||
1867 | 766 |
list := model childrenFor:self. |
767 |
||
768 |
list size ~~ 0 ifTrue:[ |
|
769 |
list do:[:aChild| aChild parent:self]. |
|
770 |
children := list. |
|
1390 | 771 |
]. |
2259 | 772 |
hasChildren := children size ~~ 0. |
2223
c34e7fd25e53
monitoring; delayed for directories; never for remoteDirectories
penk
parents:
2180
diff
changeset
|
773 |
|
2259 | 774 |
hasChildren ~~ hadChildren ifTrue:[ |
775 |
self changed:#redraw |
|
2223
c34e7fd25e53
monitoring; delayed for directories; never for remoteDirectories
penk
parents:
2180
diff
changeset
|
776 |
]. |
1390 | 777 |
^ children |
778 |
! ! |
|
779 |
||
2223
c34e7fd25e53
monitoring; delayed for directories; never for remoteDirectories
penk
parents:
2180
diff
changeset
|
780 |
!HierarchicalFileList::Directory methodsFor:'accessing-hierarchy'! |
c34e7fd25e53
monitoring; delayed for directories; never for remoteDirectories
penk
parents:
2180
diff
changeset
|
781 |
|
c34e7fd25e53
monitoring; delayed for directories; never for remoteDirectories
penk
parents:
2180
diff
changeset
|
782 |
collapse |
2270 | 783 |
|
2223
c34e7fd25e53
monitoring; delayed for directories; never for remoteDirectories
penk
parents:
2180
diff
changeset
|
784 |
super collapse. |
2270 | 785 |
|
786 |
children notNil ifTrue:[ |
|
787 |
children do:[:el| el flushChildren ] |
|
788 |
]. |
|
2223
c34e7fd25e53
monitoring; delayed for directories; never for remoteDirectories
penk
parents:
2180
diff
changeset
|
789 |
! |
2104
327f2f77ec12
support remote file-systems (not reading contents of directory if not yet initialized)
ca
parents:
2095
diff
changeset
|
790 |
|
327f2f77ec12
support remote file-systems (not reading contents of directory if not yet initialized)
ca
parents:
2095
diff
changeset
|
791 |
expand |
327f2f77ec12
support remote file-systems (not reading contents of directory if not yet initialized)
ca
parents:
2095
diff
changeset
|
792 |
"expand children; must redefine to raise a notification |
327f2f77ec12
support remote file-systems (not reading contents of directory if not yet initialized)
ca
parents:
2095
diff
changeset
|
793 |
if children are not yet initialized and after initialization empty. |
327f2f77ec12
support remote file-systems (not reading contents of directory if not yet initialized)
ca
parents:
2095
diff
changeset
|
794 |
" |
2270 | 795 |
|
2104
327f2f77ec12
support remote file-systems (not reading contents of directory if not yet initialized)
ca
parents:
2095
diff
changeset
|
796 |
super expand. |
2223
c34e7fd25e53
monitoring; delayed for directories; never for remoteDirectories
penk
parents:
2180
diff
changeset
|
797 |
! |
c34e7fd25e53
monitoring; delayed for directories; never for remoteDirectories
penk
parents:
2180
diff
changeset
|
798 |
|
c34e7fd25e53
monitoring; delayed for directories; never for remoteDirectories
penk
parents:
2180
diff
changeset
|
799 |
recursiveCollapse |
2270 | 800 |
|
2223
c34e7fd25e53
monitoring; delayed for directories; never for remoteDirectories
penk
parents:
2180
diff
changeset
|
801 |
super recursiveCollapse. |
c34e7fd25e53
monitoring; delayed for directories; never for remoteDirectories
penk
parents:
2180
diff
changeset
|
802 |
! |
c34e7fd25e53
monitoring; delayed for directories; never for remoteDirectories
penk
parents:
2180
diff
changeset
|
803 |
|
c34e7fd25e53
monitoring; delayed for directories; never for remoteDirectories
penk
parents:
2180
diff
changeset
|
804 |
recursiveExpand |
c34e7fd25e53
monitoring; delayed for directories; never for remoteDirectories
penk
parents:
2180
diff
changeset
|
805 |
"redefined to expand |
c34e7fd25e53
monitoring; delayed for directories; never for remoteDirectories
penk
parents:
2180
diff
changeset
|
806 |
" |
c34e7fd25e53
monitoring; delayed for directories; never for remoteDirectories
penk
parents:
2180
diff
changeset
|
807 |
self expand |
c34e7fd25e53
monitoring; delayed for directories; never for remoteDirectories
penk
parents:
2180
diff
changeset
|
808 |
|
c34e7fd25e53
monitoring; delayed for directories; never for remoteDirectories
penk
parents:
2180
diff
changeset
|
809 |
|
2104
327f2f77ec12
support remote file-systems (not reading contents of directory if not yet initialized)
ca
parents:
2095
diff
changeset
|
810 |
! ! |
327f2f77ec12
support remote file-systems (not reading contents of directory if not yet initialized)
ca
parents:
2095
diff
changeset
|
811 |
|
2259 | 812 |
!HierarchicalFileList::Directory methodsFor:'fetching'! |
813 |
||
814 |
basicFetchIndicator |
|
2267 | 815 |
|hasChildren| |
816 |
||
817 |
hasChildren := DirectoryContents directoryNamed:fileName |
|
818 |
detect:(self model matchBlock). |
|
819 |
hasChildren ifTrue:[ |
|
820 |
fetchOperation := #hasChildren |
|
821 |
] ifFalse:[ |
|
822 |
fetchOperation := #hasNoChildren |
|
823 |
]. |
|
824 |
children isNil ifTrue:[ |
|
825 |
"setup modification time to suppress monitorCycle |
|
826 |
" |
|
827 |
modificationTime := fileName modificationTime. |
|
828 |
]. |
|
2259 | 829 |
! |
830 |
||
831 |
fetchIndicator |
|
832 |
"fetch the indicator value which indicates whether children exists or not |
|
833 |
called by the list |
|
834 |
" |
|
835 |
children ifNotNil:[ |
|
836 |
"/ children already read |
|
837 |
fetchOperation := nil. |
|
838 |
^ self |
|
839 |
]. |
|
840 |
||
2267 | 841 |
fetchOperation ~~ #fetching ifTrue:[ |
2259 | 842 |
"/ children will be updated .... |
843 |
^ self |
|
844 |
]. |
|
845 |
"/ suppress restart of fetchIndicator |
|
846 |
||
847 |
self basicFetchIndicator. |
|
848 |
||
849 |
children notNil ifTrue:[ |
|
850 |
fetchOperation := nil. |
|
851 |
children notEmpty ifTrue:[ self changed:#redraw ]. |
|
852 |
] ifFalse:[ |
|
853 |
"/ is a remote or very slow file system |
|
2267 | 854 |
fetchOperation == #hasChildren ifTrue:[ |
855 |
self changed:#redraw |
|
856 |
]. |
|
2259 | 857 |
]. |
858 |
! |
|
859 |
||
860 |
resetFetchIndicator |
|
861 |
"update indication cycle has deregistered the item |
|
862 |
" |
|
863 |
fetchOperation := nil. |
|
864 |
! ! |
|
865 |
||
2223
c34e7fd25e53
monitoring; delayed for directories; never for remoteDirectories
penk
parents:
2180
diff
changeset
|
866 |
!HierarchicalFileList::Directory methodsFor:'queries'! |
1390 | 867 |
|
868 |
hasChildren |
|
869 |
"returns true if children exists |
|
870 |
" |
|
2259 | 871 |
|model| |
872 |
||
873 |
children notNil ifTrue:[ |
|
874 |
fetchOperation := nil. |
|
875 |
^ children size ~~ 0 |
|
876 |
]. |
|
877 |
||
878 |
fetchOperation ifNotNil:[ |
|
2267 | 879 |
^ fetchOperation == #hasChildren |
2259 | 880 |
]. |
881 |
||
882 |
model := self model. |
|
883 |
||
884 |
model notNil ifTrue:[ |
|
2267 | 885 |
fetchOperation := #fetching. |
2259 | 886 |
model startIndicatorValidationFor:self. |
887 |
] ifFalse:[ |
|
2267 | 888 |
self error:'should not happen' mayProceed:true. |
2259 | 889 |
fetchOperation := nil |
890 |
]. |
|
2267 | 891 |
^ children size ~~ 0 |
1390 | 892 |
! |
893 |
||
894 |
isDirectory |
|
895 |
"always returns true |
|
896 |
" |
|
897 |
^ true |
|
898 |
||
899 |
||
900 |
! ! |
|
901 |
||
2223
c34e7fd25e53
monitoring; delayed for directories; never for remoteDirectories
penk
parents:
2180
diff
changeset
|
902 |
!HierarchicalFileList::Directory methodsFor:'validation'! |
1390 | 903 |
|
2267 | 904 |
invalidateRepairNow:doRepair |
905 |
"invalidate contents |
|
906 |
" |
|
907 |
fetchOperation := modificationTime := nil. |
|
908 |
||
909 |
isExpanded ifFalse:[ |
|
910 |
children := nil |
|
911 |
] ifTrue:[ |
|
912 |
doRepair ifTrue:[ |
|
913 |
self monitoringCycle |
|
914 |
] ifFalse:[ |
|
915 |
children size == 0 ifTrue:[ |
|
916 |
"/ expanded but no children added, thus can reset the children |
|
917 |
children := nil |
|
918 |
] |
|
919 |
] |
|
920 |
]. |
|
921 |
! |
|
922 |
||
923 |
matchBlockChanged |
|
924 |
"called if the matchBlock changed |
|
925 |
" |
|
926 |
modificationTime := nil. |
|
927 |
||
928 |
isExpanded ifFalse:[ |
|
929 |
fetchOperation := children := nil. |
|
930 |
] ifTrue:[ |
|
931 |
self monitoringCycle. |
|
932 |
||
933 |
children size ~~ 0 ifTrue:[ |
|
934 |
children do:[:aChild| aChild matchBlockChanged ] |
|
935 |
] |
|
936 |
]. |
|
937 |
! |
|
938 |
||
939 |
monitoringCycle |
|
940 |
"run monitoring cycle |
|
941 |
!!!!!!!! called by the HierarchicalList only !!!!!!!! |
|
942 |
" |
|
943 |
|unusedDict addedItems mergedList size modifyTime model timeChanged| |
|
944 |
||
945 |
modifyTime := fileName modificationTime. |
|
946 |
modifyTime ifNil:[^ self]. |
|
947 |
||
948 |
timeChanged := (modificationTime isNil or:[modifyTime > modificationTime]). |
|
949 |
modificationTime := modifyTime. |
|
950 |
||
951 |
children ifNotNil:[ |
|
952 |
timeChanged ifFalse:[ |
|
953 |
^ self |
|
954 |
]. |
|
955 |
]. |
|
956 |
||
957 |
isExpanded ifFalse:[ |
|
958 |
timeChanged ifTrue:[ |
|
959 |
fetchOperation := children := nil. |
|
960 |
self changed:#redraw. |
|
961 |
]. |
|
962 |
^ self |
|
963 |
]. |
|
964 |
model := self model. |
|
965 |
children ifNil:[ children := #() ]. "/ disable update during merge |
|
966 |
||
967 |
||
968 |
fetchOperation := nil. |
|
969 |
mergedList := model childrenFor:self. |
|
970 |
||
971 |
mergedList size == 0 ifTrue:[ |
|
972 |
self removeAll. |
|
973 |
^ self |
|
974 |
]. |
|
975 |
||
976 |
size := children size. |
|
977 |
||
978 |
size == 0 ifTrue:[ |
|
979 |
self addAll:mergedList. |
|
980 |
^ self |
|
981 |
]. |
|
982 |
||
983 |
model criticalDo:[ |
|
984 |
addedItems := OrderedCollection new:128. |
|
985 |
unusedDict := Dictionary new:size. |
|
986 |
||
987 |
children do:[:el| unusedDict at:(el fileName) put:el ]. |
|
988 |
||
989 |
mergedList keysAndValuesDo:[:anIndex :anItem| |item| |
|
990 |
item := unusedDict removeKey:(anItem fileName) ifAbsent:nil. |
|
991 |
||
992 |
item notNil ifTrue:[ |
|
993 |
mergedList at:anIndex put:item |
|
994 |
] ifFalse:[ |
|
995 |
addedItems add:anItem. |
|
996 |
anItem parent:self. |
|
997 |
]. |
|
998 |
]. |
|
999 |
"/ 12 is hardcoded !!!!!!!! |
|
1000 |
||
1001 |
(unusedDict size + addedItems size) > 12 ifTrue:[ |
|
1002 |
"/ generate two nofifications: collapse and expand |
|
1003 |
self collapse. |
|
1004 |
children := mergedList. |
|
1005 |
self expand. |
|
1006 |
] ifFalse:[ |
|
1007 |
unusedDict do:[:el| self remove:el ]. |
|
1008 |
||
1009 |
addedItems notEmpty ifTrue:[ |
|
1010 |
self addAll:addedItems |
|
1011 |
]. |
|
1012 |
"/ children order changed test |
|
1013 |
children := mergedList. |
|
1014 |
self childrenOrderChanged. |
|
1015 |
]. |
|
1016 |
]. |
|
1390 | 1017 |
! ! |
1018 |
||
2223
c34e7fd25e53
monitoring; delayed for directories; never for remoteDirectories
penk
parents:
2180
diff
changeset
|
1019 |
!HierarchicalFileList::RemoteDirectory methodsFor:'queries'! |
c34e7fd25e53
monitoring; delayed for directories; never for remoteDirectories
penk
parents:
2180
diff
changeset
|
1020 |
|
2267 | 1021 |
hasChildren |
1022 |
"returns true if children exists |
|
1023 |
" |
|
1024 |
children notNil ifTrue:[ |
|
1025 |
fetchOperation := nil. |
|
1026 |
^ children size ~~ 0 |
|
1027 |
]. |
|
1028 |
fetchOperation := #hasChildren. |
|
1029 |
^ true |
|
1030 |
! |
|
1031 |
||
2223
c34e7fd25e53
monitoring; delayed for directories; never for remoteDirectories
penk
parents:
2180
diff
changeset
|
1032 |
isRemoteDirectory |
c34e7fd25e53
monitoring; delayed for directories; never for remoteDirectories
penk
parents:
2180
diff
changeset
|
1033 |
^ true |
c34e7fd25e53
monitoring; delayed for directories; never for remoteDirectories
penk
parents:
2180
diff
changeset
|
1034 |
! ! |
c34e7fd25e53
monitoring; delayed for directories; never for remoteDirectories
penk
parents:
2180
diff
changeset
|
1035 |
|
1390 | 1036 |
!HierarchicalFileList class methodsFor:'documentation'! |
1037 |
||
1038 |
version |
|
2290
29e279812a45
search not for absoluteFilename in searchItem to get the link files
penk
parents:
2272
diff
changeset
|
1039 |
^ '$Header: /cvs/stx/stx/libwidg2/HierarchicalFileList.st,v 1.29 2002-10-14 09:18:00 penk Exp $' |
1390 | 1040 |
! ! |