author | ca |
Wed, 09 Oct 2002 12:03:29 +0200 | |
changeset 2259 | 0477cb4012dc |
parent 2256 | 2a62b98fa33b |
child 2267 | dad00a31733e |
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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||
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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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"{ 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' |
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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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||
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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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|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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]. |
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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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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 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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|
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!HierarchicalFileList methodsFor:'protocol'! |
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||
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childrenFor:anItem |
|
230 |
"returns all visible children derived from the physical |
|
231 |
directory contents. |
|
232 |
" |
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|contents list matchBlock| |
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|
2130 | 235 |
anItem isDirectory ifFalse:[^ #()]. |
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|
2248 | 237 |
contents := DirectoryContents directoryNamed:anItem fileName. |
2130 | 238 |
contents ifNil:[ ^ #() ]. |
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|
2248 | 240 |
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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|
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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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|
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hierarchicalItem := self class itemFor:fn fileType:item type. |
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255 |
list add:hierarchicalItem. |
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] |
257 |
]. |
|
2223
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|
258 |
|
2130 | 259 |
list isEmpty ifTrue:[^ #()]. |
2248 | 260 |
list sort:[:a :b| |
261 |
a isDirectory == b isDirectory ifTrue:[a baseName <= b baseName] |
|
262 |
ifFalse:[a isDirectory]. |
|
263 |
]. |
|
264 |
^ list |
|
1390 | 265 |
! |
266 |
||
267 |
hasChildrenFor:anItem |
|
268 |
"returns true if the physical directory contains at least |
|
269 |
one visible item otherwise false. |
|
270 |
" |
|
271 |
|block| |
|
272 |
||
273 |
anItem isDirectory ifFalse:[ |
|
274 |
^ false |
|
275 |
]. |
|
276 |
||
277 |
(block := self matchBlockFor:anItem) isNil ifTrue:[ |
|
278 |
block := [:aFilename :isDirectory| true ] |
|
279 |
]. |
|
280 |
^ DirectoryContents directoryNamed:(anItem fileName) detect:block |
|
281 |
! |
|
282 |
||
283 |
iconFor:anItem |
|
284 |
"returns the icon for an item |
|
285 |
" |
|
286 |
||
2180 | 287 |
(anItem isExpanded and:[anItem hasChildren]) ifTrue:[ |
288 |
^ FileBrowser iconForKeyMatching:#directoryOpen |
|
1390 | 289 |
]. |
2223
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monitoring; delayed for directories; never for remoteDirectories
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diff
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|
290 |
(anItem isRemoteDirectory) ifTrue:[ |
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|
291 |
^ FileBrowser iconForKeyMatching:#directoryNetwork |
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changeset
|
292 |
]. |
2180 | 293 |
^ FileBrowser iconForFile:(anItem fileName) |
1390 | 294 |
! |
295 |
||
296 |
matchBlockFor:anItem |
|
297 |
"get the matchBlock - if non-nil, it controls which files are |
|
298 |
visible within the physical directory |
|
299 |
" |
|
300 |
^ matchBlock |
|
2095 | 301 |
! |
302 |
||
303 |
validateIcon:anIcon for:anItem |
|
304 |
^ anIcon |
|
1390 | 305 |
! ! |
306 |
||
1581 | 307 |
!HierarchicalFileList methodsFor:'searching'! |
308 |
||
309 |
detectItemFor:aPathOrFilename |
|
310 |
"make a filename visible |
|
311 |
" |
|
312 |
|file node p1 p2 sz| |
|
313 |
||
1582 | 314 |
aPathOrFilename isNil ifTrue:[^ nil]. |
1581 | 315 |
|
316 |
file := aPathOrFilename asFilename. |
|
317 |
||
318 |
file exists ifFalse:[ |
|
1582 | 319 |
^ nil |
1581 | 320 |
]. |
1582 | 321 |
(node := root) isNil ifTrue:[^ nil]. |
1581 | 322 |
|
323 |
p1 := node pathName. |
|
324 |
p2 := file pathName. |
|
325 |
||
1582 | 326 |
(p2 startsWith:p1) ifFalse:[^ nil]. |
1581 | 327 |
sz := 1 + p1 size. |
328 |
||
329 |
(p1 last == Filename separator) ifFalse:[ |
|
330 |
sz := sz + 1. |
|
331 |
]. |
|
332 |
||
1582 | 333 |
p2 size > sz ifFalse:[^ nil]. |
1581 | 334 |
|
335 |
p2 := Filename components:(p2 copyFrom:sz). |
|
336 |
||
337 |
p2 do:[:bn| |
|
338 |
node := node detect:[:el| el baseName = bn] ifNone:nil. |
|
339 |
node isNil ifTrue:[^ nil ]. |
|
340 |
]. |
|
341 |
^ node |
|
342 |
! ! |
|
343 |
||
2259 | 344 |
!HierarchicalFileList methodsFor:'update'! |
345 |
||
346 |
startIndicatorValidationFor:anItem |
|
347 |
"an item will be registered for an indication update |
|
348 |
" |
|
349 |
|prio| |
|
350 |
||
351 |
self criticalDo:[ |
|
352 |
indicatorList size == 0 ifTrue:[ |
|
353 |
indicatorList := OrderedCollection new. |
|
354 |
] ifFalse:[ |
|
355 |
indicatorList removeIdentical:anItem ifAbsent:nil. |
|
356 |
]. |
|
357 |
"/ indicatorList addFirst:anItem. |
|
358 |
indicatorList add:anItem. |
|
359 |
||
360 |
indicatorTask ifNil:[ |
|
361 |
prio := Processor activePriority. |
|
362 |
indicatorTask := [ self updateIndicatorCycle. ] forkAt:(prio - 1). |
|
363 |
indicatorTask priorityRange:(prio-1 to:prio). |
|
364 |
] |
|
365 |
]. |
|
366 |
! |
|
367 |
||
368 |
stopIndicatorValidationFor:anItem |
|
369 |
"stop the indicator validation for an item |
|
370 |
" |
|
371 |
self criticalDo:[ |
|
372 |
indicatorList ifNotNil:[ |
|
373 |
indicatorList removeIdentical:anItem ifAbsent:nil. |
|
374 |
anItem resetFetchIndicator. |
|
375 |
] |
|
376 |
]. |
|
377 |
! |
|
378 |
||
379 |
updateIndicatorCycle |
|
380 |
"run fetching indicator task cycle. |
|
381 |
This is done in the background to avoid long startup |
|
382 |
delays, in case the indicator information takes long to |
|
383 |
gather (i.e. when reading directories) |
|
384 |
" |
|
385 |
|repeat task item| |
|
386 |
||
387 |
repeat := true. |
|
388 |
task := indicatorTask. |
|
389 |
||
390 |
[ [ task notNil ] whileTrue:[ |
|
391 |
self criticalDo:[ |
|
392 |
( dependents size ~~ 0 "/ no dependencies (stop task) |
|
393 |
and:[indicatorList size ~~ 0] "/ nothing to do |
|
394 |
) ifTrue:[ |
|
395 |
item := indicatorList removeFirst. |
|
396 |
||
397 |
(self includesIdentical:item) ifFalse:[ |
|
398 |
"/ no longer visible |
|
399 |
item resetFetchIndicator. |
|
400 |
item := nil |
|
401 |
] |
|
402 |
] ifFalse:[ |
|
403 |
item := indicatorTask := task := nil |
|
404 |
] |
|
405 |
]. |
|
406 |
item ifNotNil:[ |
|
407 |
item fetchIndicator. |
|
408 |
Processor yield. |
|
409 |
]. |
|
410 |
] |
|
411 |
] valueNowOrOnUnwindDo:[ |
|
412 |
task ifNotNil:[ |
|
413 |
"/ oops, process terminated |
|
414 |
self criticalDo:[ |
|
415 |
"/ test whether a new task already started |
|
416 |
indicatorTask == task ifTrue:[ |
|
417 |
indicatorTask := nil |
|
418 |
] |
|
419 |
] |
|
420 |
] |
|
421 |
]. |
|
422 |
! ! |
|
423 |
||
2223
c34e7fd25e53
monitoring; delayed for directories; never for remoteDirectories
penk
parents:
2180
diff
changeset
|
424 |
!HierarchicalFileList::HierarchicalFileItem class methodsFor:'instance creation'! |
c34e7fd25e53
monitoring; delayed for directories; never for remoteDirectories
penk
parents:
2180
diff
changeset
|
425 |
|
c34e7fd25e53
monitoring; delayed for directories; never for remoteDirectories
penk
parents:
2180
diff
changeset
|
426 |
fileName:aFileName |
c34e7fd25e53
monitoring; delayed for directories; never for remoteDirectories
penk
parents:
2180
diff
changeset
|
427 |
"instance creation |
c34e7fd25e53
monitoring; delayed for directories; never for remoteDirectories
penk
parents:
2180
diff
changeset
|
428 |
" |
c34e7fd25e53
monitoring; delayed for directories; never for remoteDirectories
penk
parents:
2180
diff
changeset
|
429 |
^ self new fileName:aFileName. |
c34e7fd25e53
monitoring; delayed for directories; never for remoteDirectories
penk
parents:
2180
diff
changeset
|
430 |
! |
1390 | 431 |
|
432 |
fileName:aFileName isDirectory:isDirectory |
|
433 |
"instance creation |
|
434 |
" |
|
435 |
|item| |
|
436 |
||
2223
c34e7fd25e53
monitoring; delayed for directories; never for remoteDirectories
penk
parents:
2180
diff
changeset
|
437 |
item := isDirectory ifTrue:[HierarchicalFileList::Directory new] ifFalse:[HierarchicalFileList::File new]. |
1390 | 438 |
item fileName:aFileName. |
439 |
^ item |
|
440 |
! ! |
|
441 |
||
2223
c34e7fd25e53
monitoring; delayed for directories; never for remoteDirectories
penk
parents:
2180
diff
changeset
|
442 |
!HierarchicalFileList::HierarchicalFileItem methodsFor:'accessing'! |
1390 | 443 |
|
444 |
baseName |
|
445 |
"returns the baseName |
|
446 |
" |
|
2138 | 447 |
^ fileName baseName. |
448 |
"/ ^ baseName |
|
1390 | 449 |
! |
450 |
||
451 |
fileName |
|
452 |
"returns the fileName |
|
453 |
" |
|
454 |
^ fileName |
|
455 |
||
456 |
||
457 |
! |
|
458 |
||
459 |
fileName:fname |
|
460 |
"instance creation |
|
461 |
" |
|
462 |
fileName := fname. |
|
2138 | 463 |
"/ baseName := fname baseName. |
1390 | 464 |
! |
465 |
||
466 |
icon |
|
467 |
"returns the icon key |
|
468 |
" |
|
469 |
|model| |
|
470 |
||
2223
c34e7fd25e53
monitoring; delayed for directories; never for remoteDirectories
penk
parents:
2180
diff
changeset
|
471 |
icon isNil ifTrue:[ |
c34e7fd25e53
monitoring; delayed for directories; never for remoteDirectories
penk
parents:
2180
diff
changeset
|
472 |
model := self model. |
c34e7fd25e53
monitoring; delayed for directories; never for remoteDirectories
penk
parents:
2180
diff
changeset
|
473 |
model ifNil:[^ nil]. |
2095 | 474 |
|
2223
c34e7fd25e53
monitoring; delayed for directories; never for remoteDirectories
penk
parents:
2180
diff
changeset
|
475 |
icon := model iconFor:self. |
c34e7fd25e53
monitoring; delayed for directories; never for remoteDirectories
penk
parents:
2180
diff
changeset
|
476 |
icon notNil ifTrue:[ |
c34e7fd25e53
monitoring; delayed for directories; never for remoteDirectories
penk
parents:
2180
diff
changeset
|
477 |
icon := model validateIcon:icon for:self |
c34e7fd25e53
monitoring; delayed for directories; never for remoteDirectories
penk
parents:
2180
diff
changeset
|
478 |
] |
1390 | 479 |
]. |
2223
c34e7fd25e53
monitoring; delayed for directories; never for remoteDirectories
penk
parents:
2180
diff
changeset
|
480 |
^ icon. |
1390 | 481 |
! |
482 |
||
483 |
label |
|
484 |
"returns the printable name, the baseName |
|
485 |
" |
|
2138 | 486 |
^ self baseName |
1390 | 487 |
! |
488 |
||
489 |
pathName |
|
490 |
"returns the pathName |
|
491 |
" |
|
492 |
^ fileName pathName |
|
493 |
! ! |
|
494 |
||
2223
c34e7fd25e53
monitoring; delayed for directories; never for remoteDirectories
penk
parents:
2180
diff
changeset
|
495 |
!HierarchicalFileList::HierarchicalFileItem methodsFor:'invalidate'! |
1390 | 496 |
|
497 |
invalidate |
|
498 |
"invalidate the contents |
|
499 |
" |
|
500 |
self invalidateRepairNow:false |
|
501 |
||
502 |
! |
|
503 |
||
504 |
invalidateRepairNow |
|
505 |
"invalidate the contents; repair now |
|
506 |
" |
|
507 |
self invalidateRepairNow:true |
|
508 |
||
509 |
! |
|
510 |
||
511 |
invalidateRepairNow:doRepair |
|
512 |
"invalidate the contents; dependent on the boolean |
|
513 |
do repair immediately |
|
514 |
" |
|
515 |
||
516 |
||
1866 | 517 |
! |
518 |
||
519 |
matchBlockChanged |
|
520 |
"called if the matchBlock changed |
|
521 |
" |
|
522 |
||
1390 | 523 |
! ! |
524 |
||
2223
c34e7fd25e53
monitoring; delayed for directories; never for remoteDirectories
penk
parents:
2180
diff
changeset
|
525 |
!HierarchicalFileList::HierarchicalFileItem methodsFor:'printing'! |
2127 | 526 |
|
527 |
printString |
|
528 |
||
529 |
^ super printString, ' for: ', self fileName asString |
|
530 |
! ! |
|
531 |
||
2223
c34e7fd25e53
monitoring; delayed for directories; never for remoteDirectories
penk
parents:
2180
diff
changeset
|
532 |
!HierarchicalFileList::HierarchicalFileItem methodsFor:'queries'! |
c34e7fd25e53
monitoring; delayed for directories; never for remoteDirectories
penk
parents:
2180
diff
changeset
|
533 |
|
c34e7fd25e53
monitoring; delayed for directories; never for remoteDirectories
penk
parents:
2180
diff
changeset
|
534 |
isDirectory |
c34e7fd25e53
monitoring; delayed for directories; never for remoteDirectories
penk
parents:
2180
diff
changeset
|
535 |
^ false |
c34e7fd25e53
monitoring; delayed for directories; never for remoteDirectories
penk
parents:
2180
diff
changeset
|
536 |
! |
c34e7fd25e53
monitoring; delayed for directories; never for remoteDirectories
penk
parents:
2180
diff
changeset
|
537 |
|
c34e7fd25e53
monitoring; delayed for directories; never for remoteDirectories
penk
parents:
2180
diff
changeset
|
538 |
isRemoteDirectory |
c34e7fd25e53
monitoring; delayed for directories; never for remoteDirectories
penk
parents:
2180
diff
changeset
|
539 |
^ false |
c34e7fd25e53
monitoring; delayed for directories; never for remoteDirectories
penk
parents:
2180
diff
changeset
|
540 |
! ! |
c34e7fd25e53
monitoring; delayed for directories; never for remoteDirectories
penk
parents:
2180
diff
changeset
|
541 |
|
c34e7fd25e53
monitoring; delayed for directories; never for remoteDirectories
penk
parents:
2180
diff
changeset
|
542 |
!HierarchicalFileList::File methodsFor:'accessing'! |
c34e7fd25e53
monitoring; delayed for directories; never for remoteDirectories
penk
parents:
2180
diff
changeset
|
543 |
|
c34e7fd25e53
monitoring; delayed for directories; never for remoteDirectories
penk
parents:
2180
diff
changeset
|
544 |
children |
c34e7fd25e53
monitoring; delayed for directories; never for remoteDirectories
penk
parents:
2180
diff
changeset
|
545 |
"always returns an empty list |
c34e7fd25e53
monitoring; delayed for directories; never for remoteDirectories
penk
parents:
2180
diff
changeset
|
546 |
" |
c34e7fd25e53
monitoring; delayed for directories; never for remoteDirectories
penk
parents:
2180
diff
changeset
|
547 |
^ #() |
c34e7fd25e53
monitoring; delayed for directories; never for remoteDirectories
penk
parents:
2180
diff
changeset
|
548 |
! ! |
c34e7fd25e53
monitoring; delayed for directories; never for remoteDirectories
penk
parents:
2180
diff
changeset
|
549 |
|
1390 | 550 |
!HierarchicalFileList::File methodsFor:'queries'! |
551 |
||
552 |
hasChildren |
|
553 |
"always returns false |
|
554 |
" |
|
555 |
^ false |
|
556 |
! ! |
|
557 |
||
2259 | 558 |
!HierarchicalFileList::Directory class methodsFor:'documentation'! |
559 |
||
560 |
documentation |
|
561 |
" |
|
562 |
[Instance variables:] |
|
563 |
||
564 |
fetchOperation <Symbol/Boolean> nil if children is nil, no information about has children |
|
565 |
#active registered in list to be updated for indication |
|
566 |
true has children but children list might be nil (remote) |
|
567 |
false has no children but children list might be nil (remote) |
|
568 |
" |
|
569 |
! ! |
|
570 |
||
2223
c34e7fd25e53
monitoring; delayed for directories; never for remoteDirectories
penk
parents:
2180
diff
changeset
|
571 |
!HierarchicalFileList::Directory methodsFor:'accessing'! |
1390 | 572 |
|
573 |
children |
|
574 |
"returns the list of children |
|
575 |
" |
|
2223
c34e7fd25e53
monitoring; delayed for directories; never for remoteDirectories
penk
parents:
2180
diff
changeset
|
576 |
|model| |
1390 | 577 |
|
2259 | 578 |
children ifNotNil:[ ^ children ]. |
1390 | 579 |
|
2259 | 580 |
model := self model. |
581 |
model ifNil:[ ^ nil ]. |
|
1390 | 582 |
|
2259 | 583 |
model criticalDo:[ |
584 |
children ifNil:[ self readChildren ]. |
|
2223
c34e7fd25e53
monitoring; delayed for directories; never for remoteDirectories
penk
parents:
2180
diff
changeset
|
585 |
]. |
c34e7fd25e53
monitoring; delayed for directories; never for remoteDirectories
penk
parents:
2180
diff
changeset
|
586 |
^ children |
c34e7fd25e53
monitoring; delayed for directories; never for remoteDirectories
penk
parents:
2180
diff
changeset
|
587 |
! |
c34e7fd25e53
monitoring; delayed for directories; never for remoteDirectories
penk
parents:
2180
diff
changeset
|
588 |
|
c34e7fd25e53
monitoring; delayed for directories; never for remoteDirectories
penk
parents:
2180
diff
changeset
|
589 |
readChildren |
c34e7fd25e53
monitoring; delayed for directories; never for remoteDirectories
penk
parents:
2180
diff
changeset
|
590 |
"reads the list of children |
c34e7fd25e53
monitoring; delayed for directories; never for remoteDirectories
penk
parents:
2180
diff
changeset
|
591 |
" |
2259 | 592 |
|model list hadChildren hasChildren| |
593 |
||
594 |
model := self model. |
|
2223
c34e7fd25e53
monitoring; delayed for directories; never for remoteDirectories
penk
parents:
2180
diff
changeset
|
595 |
|
2259 | 596 |
model ifNil:[ |
2223
c34e7fd25e53
monitoring; delayed for directories; never for remoteDirectories
penk
parents:
2180
diff
changeset
|
597 |
"/ must reread later |
2259 | 598 |
fetchOperation := modificationTime := children := nil. |
599 |
^ nil |
|
2223
c34e7fd25e53
monitoring; delayed for directories; never for remoteDirectories
penk
parents:
2180
diff
changeset
|
600 |
]. |
c34e7fd25e53
monitoring; delayed for directories; never for remoteDirectories
penk
parents:
2180
diff
changeset
|
601 |
|
2259 | 602 |
hadChildren := children size ~~ 0. |
603 |
||
604 |
"/ set to suppress reading of children |
|
1867 | 605 |
children := #(). |
2259 | 606 |
fetchOperation := nil. |
1867 | 607 |
modificationTime := fileName modificationTime. |
2259 | 608 |
model stopIndicatorValidationFor:self. |
609 |
||
1867 | 610 |
list := model childrenFor:self. |
611 |
||
612 |
list size ~~ 0 ifTrue:[ |
|
613 |
list do:[:aChild| aChild parent:self]. |
|
614 |
children := list. |
|
1390 | 615 |
]. |
2259 | 616 |
hasChildren := children size ~~ 0. |
2223
c34e7fd25e53
monitoring; delayed for directories; never for remoteDirectories
penk
parents:
2180
diff
changeset
|
617 |
|
2259 | 618 |
hasChildren ~~ hadChildren ifTrue:[ |
619 |
self changed:#redraw |
|
2223
c34e7fd25e53
monitoring; delayed for directories; never for remoteDirectories
penk
parents:
2180
diff
changeset
|
620 |
]. |
1390 | 621 |
^ children |
622 |
! ! |
|
623 |
||
2223
c34e7fd25e53
monitoring; delayed for directories; never for remoteDirectories
penk
parents:
2180
diff
changeset
|
624 |
!HierarchicalFileList::Directory methodsFor:'accessing-hierarchy'! |
c34e7fd25e53
monitoring; delayed for directories; never for remoteDirectories
penk
parents:
2180
diff
changeset
|
625 |
|
c34e7fd25e53
monitoring; delayed for directories; never for remoteDirectories
penk
parents:
2180
diff
changeset
|
626 |
collapse |
c34e7fd25e53
monitoring; delayed for directories; never for remoteDirectories
penk
parents:
2180
diff
changeset
|
627 |
icon := nil. |
c34e7fd25e53
monitoring; delayed for directories; never for remoteDirectories
penk
parents:
2180
diff
changeset
|
628 |
super collapse. |
c34e7fd25e53
monitoring; delayed for directories; never for remoteDirectories
penk
parents:
2180
diff
changeset
|
629 |
! |
2104
327f2f77ec12
support remote file-systems (not reading contents of directory if not yet initialized)
ca
parents:
2095
diff
changeset
|
630 |
|
327f2f77ec12
support remote file-systems (not reading contents of directory if not yet initialized)
ca
parents:
2095
diff
changeset
|
631 |
expand |
327f2f77ec12
support remote file-systems (not reading contents of directory if not yet initialized)
ca
parents:
2095
diff
changeset
|
632 |
"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
|
633 |
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
|
634 |
" |
2223
c34e7fd25e53
monitoring; delayed for directories; never for remoteDirectories
penk
parents:
2180
diff
changeset
|
635 |
icon := nil. |
2104
327f2f77ec12
support remote file-systems (not reading contents of directory if not yet initialized)
ca
parents:
2095
diff
changeset
|
636 |
super expand. |
2223
c34e7fd25e53
monitoring; delayed for directories; never for remoteDirectories
penk
parents:
2180
diff
changeset
|
637 |
! |
c34e7fd25e53
monitoring; delayed for directories; never for remoteDirectories
penk
parents:
2180
diff
changeset
|
638 |
|
c34e7fd25e53
monitoring; delayed for directories; never for remoteDirectories
penk
parents:
2180
diff
changeset
|
639 |
recursiveCollapse |
c34e7fd25e53
monitoring; delayed for directories; never for remoteDirectories
penk
parents:
2180
diff
changeset
|
640 |
icon := nil. |
c34e7fd25e53
monitoring; delayed for directories; never for remoteDirectories
penk
parents:
2180
diff
changeset
|
641 |
super recursiveCollapse. |
c34e7fd25e53
monitoring; delayed for directories; never for remoteDirectories
penk
parents:
2180
diff
changeset
|
642 |
! |
c34e7fd25e53
monitoring; delayed for directories; never for remoteDirectories
penk
parents:
2180
diff
changeset
|
643 |
|
c34e7fd25e53
monitoring; delayed for directories; never for remoteDirectories
penk
parents:
2180
diff
changeset
|
644 |
recursiveExpand |
c34e7fd25e53
monitoring; delayed for directories; never for remoteDirectories
penk
parents:
2180
diff
changeset
|
645 |
"redefined to expand |
c34e7fd25e53
monitoring; delayed for directories; never for remoteDirectories
penk
parents:
2180
diff
changeset
|
646 |
" |
c34e7fd25e53
monitoring; delayed for directories; never for remoteDirectories
penk
parents:
2180
diff
changeset
|
647 |
self expand |
c34e7fd25e53
monitoring; delayed for directories; never for remoteDirectories
penk
parents:
2180
diff
changeset
|
648 |
|
c34e7fd25e53
monitoring; delayed for directories; never for remoteDirectories
penk
parents:
2180
diff
changeset
|
649 |
|
2104
327f2f77ec12
support remote file-systems (not reading contents of directory if not yet initialized)
ca
parents:
2095
diff
changeset
|
650 |
! ! |
327f2f77ec12
support remote file-systems (not reading contents of directory if not yet initialized)
ca
parents:
2095
diff
changeset
|
651 |
|
2259 | 652 |
!HierarchicalFileList::Directory methodsFor:'fetching'! |
653 |
||
654 |
basicFetchIndicator |
|
655 |
self readChildren. |
|
656 |
! |
|
657 |
||
658 |
fetchIndicator |
|
659 |
"fetch the indicator value which indicates whether children exists or not |
|
660 |
called by the list |
|
661 |
" |
|
662 |
children ifNotNil:[ |
|
663 |
"/ children already read |
|
664 |
fetchOperation := nil. |
|
665 |
^ self |
|
666 |
]. |
|
667 |
||
668 |
fetchOperation ~~ #active ifTrue:[ |
|
669 |
"/ children will be updated .... |
|
670 |
^ self |
|
671 |
]. |
|
672 |
"/ suppress restart of fetchIndicator |
|
673 |
fetchOperation := false. |
|
674 |
||
675 |
self basicFetchIndicator. |
|
676 |
||
677 |
children notNil ifTrue:[ |
|
678 |
fetchOperation := nil. |
|
679 |
children notEmpty ifTrue:[ self changed:#redraw ]. |
|
680 |
] ifFalse:[ |
|
681 |
"/ is a remote or very slow file system |
|
682 |
fetchOperation == true ifTrue:[ self changed:#redraw ]. |
|
683 |
]. |
|
684 |
! |
|
685 |
||
686 |
resetFetchIndicator |
|
687 |
"update indication cycle has deregistered the item |
|
688 |
" |
|
689 |
fetchOperation := nil. |
|
690 |
! ! |
|
691 |
||
2223
c34e7fd25e53
monitoring; delayed for directories; never for remoteDirectories
penk
parents:
2180
diff
changeset
|
692 |
!HierarchicalFileList::Directory methodsFor:'queries'! |
1390 | 693 |
|
694 |
hasChildren |
|
695 |
"returns true if children exists |
|
696 |
" |
|
2259 | 697 |
|model| |
698 |
||
699 |
children notNil ifTrue:[ |
|
700 |
fetchOperation := nil. |
|
701 |
^ children size ~~ 0 |
|
702 |
]. |
|
703 |
||
704 |
fetchOperation ifNotNil:[ |
|
705 |
fetchOperation == #active ifTrue:[^ false]. |
|
706 |
^ fetchOperation "/ true or false |
|
707 |
]. |
|
708 |
||
709 |
model := self model. |
|
710 |
||
711 |
model notNil ifTrue:[ |
|
712 |
fetchOperation := #active. |
|
713 |
model startIndicatorValidationFor:self. |
|
714 |
] ifFalse:[ |
|
715 |
fetchOperation := nil |
|
716 |
]. |
|
717 |
^ false |
|
1390 | 718 |
! |
719 |
||
720 |
isDirectory |
|
721 |
"always returns true |
|
722 |
" |
|
723 |
^ true |
|
724 |
||
725 |
||
726 |
! ! |
|
727 |
||
2223
c34e7fd25e53
monitoring; delayed for directories; never for remoteDirectories
penk
parents:
2180
diff
changeset
|
728 |
!HierarchicalFileList::Directory methodsFor:'validation'! |
1390 | 729 |
|
730 |
invalidateRepairNow:doRepair |
|
731 |
"invalidate contents |
|
732 |
" |
|
2259 | 733 |
fetchOperation := modificationTime := nil. |
1390 | 734 |
|
2259 | 735 |
isExpanded ifFalse:[ |
736 |
children := nil |
|
737 |
] ifTrue:[ |
|
738 |
doRepair ifTrue:[ |
|
739 |
self monitoringCycle |
|
740 |
] ifFalse:[ |
|
741 |
children size == 0 ifTrue:[ |
|
742 |
"/ expanded but no children added, thus can reset the children |
|
743 |
children := nil |
|
744 |
] |
|
1390 | 745 |
] |
746 |
]. |
|
747 |
! |
|
748 |
||
1866 | 749 |
matchBlockChanged |
750 |
"called if the matchBlock changed |
|
751 |
" |
|
752 |
modificationTime := nil. |
|
753 |
||
754 |
isExpanded ifFalse:[ |
|
2259 | 755 |
fetchOperation := children := nil. |
1867 | 756 |
] ifTrue:[ |
757 |
self monitoringCycle. |
|
1866 | 758 |
|
1867 | 759 |
children size ~~ 0 ifTrue:[ |
2259 | 760 |
children do:[:aChild| aChild matchBlockChanged ] |
1867 | 761 |
] |
1866 | 762 |
]. |
763 |
! |
|
764 |
||
1390 | 765 |
monitoringCycle |
766 |
"run monitoring cycle |
|
2259 | 767 |
!!!! called by the HierarchicalList only !!!! |
1390 | 768 |
" |
2259 | 769 |
|list existingNames size name modifyTime model shownNames| |
2223
c34e7fd25e53
monitoring; delayed for directories; never for remoteDirectories
penk
parents:
2180
diff
changeset
|
770 |
|
1390 | 771 |
modifyTime := fileName modificationTime. |
2259 | 772 |
|
773 |
children ifNotNil:[ |
|
774 |
(modificationTime notNil and:[modifyTime <= modificationTime]) ifTrue:[ |
|
775 |
^ self |
|
776 |
]. |
|
1390 | 777 |
]. |
2223
c34e7fd25e53
monitoring; delayed for directories; never for remoteDirectories
penk
parents:
2180
diff
changeset
|
778 |
icon := nil. |
1390 | 779 |
modificationTime := modifyTime. |
780 |
||
781 |
isExpanded ifFalse:[ |
|
2259 | 782 |
"/ collapsed; only indicator must be updated |
783 |
fetchOperation := children := nil. |
|
784 |
self changed:#redraw. |
|
785 |
^ self |
|
786 |
]. |
|
787 |
model := self model. |
|
788 |
children ifNil:[ children := #() ]. "/ disable update during merge |
|
1390 | 789 |
|
2259 | 790 |
size := children size. |
791 |
fetchOperation := nil. |
|
1390 | 792 |
|
793 |
list := model childrenFor:self. |
|
794 |
||
2259 | 795 |
list size == 0 ifTrue:[ |
796 |
self removeAll. |
|
797 |
^ self |
|
1390 | 798 |
]. |
2259 | 799 |
|
800 |
size == 0 ifTrue:[ |
|
801 |
self addAll:list. |
|
802 |
^ self |
|
1390 | 803 |
]. |
804 |
||
2259 | 805 |
|
806 |
||
807 |
||
808 |
||
2248 | 809 |
existingNames := Set new:list size. |
810 |
list do:[:l| existingNames add:l baseName]. |
|
811 |
size to:1 by:-1 do:[:anIndex| "/ remove invisible items from tail |
|
1390 | 812 |
name := (children at:anIndex) baseName. |
2243
617c3310ee6e
Speed up a bit for huge directories
Stefan Vogel <sv@exept.de>
parents:
2236
diff
changeset
|
813 |
(existingNames includes:name) ifFalse:[ |
1390 | 814 |
self removeIndex:anIndex |
815 |
] |
|
816 |
]. |
|
817 |
||
2248 | 818 |
shownNames := Set new:children size. |
819 |
children do:[:l| shownNames add:l baseName]. |
|
1390 | 820 |
list keysAndValuesDo:[:anIndex :anItem| "/ add new visible items |
2243
617c3310ee6e
Speed up a bit for huge directories
Stefan Vogel <sv@exept.de>
parents:
2236
diff
changeset
|
821 |
(shownNames includes:anItem baseName) ifFalse:[ |
1390 | 822 |
self add:anItem beforeIndex:anIndex |
823 |
] |
|
824 |
]. |
|
825 |
! ! |
|
826 |
||
2223
c34e7fd25e53
monitoring; delayed for directories; never for remoteDirectories
penk
parents:
2180
diff
changeset
|
827 |
!HierarchicalFileList::RemoteDirectory methodsFor:'queries'! |
c34e7fd25e53
monitoring; delayed for directories; never for remoteDirectories
penk
parents:
2180
diff
changeset
|
828 |
|
c34e7fd25e53
monitoring; delayed for directories; never for remoteDirectories
penk
parents:
2180
diff
changeset
|
829 |
isRemoteDirectory |
c34e7fd25e53
monitoring; delayed for directories; never for remoteDirectories
penk
parents:
2180
diff
changeset
|
830 |
^ true |
c34e7fd25e53
monitoring; delayed for directories; never for remoteDirectories
penk
parents:
2180
diff
changeset
|
831 |
! ! |
c34e7fd25e53
monitoring; delayed for directories; never for remoteDirectories
penk
parents:
2180
diff
changeset
|
832 |
|
2259 | 833 |
!HierarchicalFileList::RemoteDirectory methodsFor:'validation'! |
834 |
||
835 |
basicFetchIndicator |
|
836 |
"fetch the indicator value; hasChildren or not |
|
837 |
" |
|
838 |
fetchOperation := DirectoryContents directoryNamed:fileName |
|
839 |
detect:(self model matchBlock). |
|
840 |
! ! |
|
841 |
||
1390 | 842 |
!HierarchicalFileList class methodsFor:'documentation'! |
843 |
||
844 |
version |
|
2259 | 845 |
^ '$Header: /cvs/stx/stx/libwidg2/HierarchicalFileList.st,v 1.24 2002-10-09 10:03:29 ca Exp $' |
1390 | 846 |
! ! |