author | ca |
Tue, 15 Oct 2002 10:29:25 +0200 | |
changeset 2296 | 17f0578b247e |
parent 2294 | 7f45237a518c |
child 2297 | 4440935a1fa2 |
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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sortBlock' |
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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:'LastUIDToUserNameMapping LastGIDToGroupNameMapping' |
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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 directory:(Filename currentDirectory). |
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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 hasConstantHeight:true. |
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sel list:list. |
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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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forInfoItem:aItem |
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"instance creation helper |
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" |
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| info fileType retItem| |
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info := aItem info. |
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fileType := aItem type. |
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retItem := self itemFor:aItem fileName fileType:fileType. |
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retItem fileInfo:info. |
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^ retItem |
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! |
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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 fileInfo current newRootItem| |
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"/ must explicitly enabled by user: ca |
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"/ monitoringTaskDelay := 1. |
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aDirectory notNil ifTrue:[ directory := aDirectory asFilename ] |
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ifFalse:[ directory := nil ]. |
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current := self directory. |
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current = directory ifTrue:[^ self]. |
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(directory isNil or:[directory exists not]) ifTrue:[ |
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self root:nil. |
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^ self |
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]. |
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fileInfo := directory info. |
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fileInfo notNil ifTrue:[ |
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fileInfo isDirectory ifFalse:[ |
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directory := directory directory. |
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current = directory ifTrue:[ |
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^ self |
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]. |
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fileInfo := directory info. |
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] |
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]. |
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newRootItem := HierarchicalFileItem fileName:directory fileInfo:fileInfo. |
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doExpand ifTrue:[ newRootItem setExpanded:true ]. |
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self root:newRootItem. |
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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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sortBlock |
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"set the matchBlock - if non-nil, it controls which files are visible. |
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" |
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sortBlock notNil ifTrue:[ ^ sortBlock ]. |
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sortBlock := [:a :b| |aIsDir| |
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aIsDir := a isDirectory. |
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aIsDir == b isDirectory ifTrue:[a fileName name <= b fileName name] |
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ifFalse:[aIsDir]. |
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]. |
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^ sortBlock |
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! |
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sortBlock: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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sortBlock := 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 recursiveSort:aBlock. |
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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 |
|
292 |
"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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2130 | 297 |
anItem isDirectory ifFalse:[^ #()]. |
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2248 | 299 |
contents := DirectoryContents directoryNamed:anItem fileName. |
2130 | 300 |
contents ifNil:[ ^ #() ]. |
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2248 | 302 |
list := OrderedCollection new. |
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matchBlock := self matchBlockFor:anItem. |
2130 | 304 |
|
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matchBlock isNil ifTrue:[ |
306 |
contents itemsDo:[:anItem| |
|
307 |
list add:(HierarchicalFileItem fileName:(anItem fileName) |
|
308 |
fileInfo:(anItem info) ) |
|
309 |
] |
|
310 |
] ifFalse:[ |
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311 |
contents itemsDo:[:anItem| |
|
312 |
|fn| |
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fn := anItem fileName. |
315 |
||
316 |
(matchBlock value:fn value:(anItem isDirectory)) ifTrue:[ |
|
317 |
list add:(HierarchicalFileItem fileName:fn fileInfo:(anItem info)). |
|
318 |
] |
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] |
320 |
]. |
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321 |
|
2130 | 322 |
list isEmpty ifTrue:[^ #()]. |
2293 | 323 |
list sort:self sortBlock. |
2248 | 324 |
^ list |
1390 | 325 |
! |
326 |
||
327 |
hasChildrenFor:anItem |
|
328 |
"returns true if the physical directory contains at least |
|
329 |
one visible item otherwise false. |
|
330 |
" |
|
331 |
|block| |
|
332 |
||
333 |
anItem isDirectory ifFalse:[ |
|
334 |
^ false |
|
335 |
]. |
|
336 |
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337 |
(block := self matchBlockFor:anItem) isNil ifTrue:[ |
|
338 |
block := [:aFilename :isDirectory| true ] |
|
339 |
]. |
|
340 |
^ DirectoryContents directoryNamed:(anItem fileName) detect:block |
|
341 |
! |
|
342 |
||
343 |
iconFor:anItem |
|
344 |
"returns the icon for an item |
|
345 |
" |
|
346 |
||
2180 | 347 |
(anItem isExpanded and:[anItem hasChildren]) ifTrue:[ |
348 |
^ FileBrowser iconForKeyMatching:#directoryOpen |
|
1390 | 349 |
]. |
2223
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monitoring; delayed for directories; never for remoteDirectories
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|
350 |
(anItem isRemoteDirectory) ifTrue:[ |
c34e7fd25e53
monitoring; delayed for directories; never for remoteDirectories
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diff
changeset
|
351 |
^ FileBrowser iconForKeyMatching:#directoryNetwork |
c34e7fd25e53
monitoring; delayed for directories; never for remoteDirectories
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diff
changeset
|
352 |
]. |
2180 | 353 |
^ FileBrowser iconForFile:(anItem fileName) |
1390 | 354 |
! |
355 |
||
356 |
matchBlockFor:anItem |
|
357 |
"get the matchBlock - if non-nil, it controls which files are |
|
358 |
visible within the physical directory |
|
359 |
" |
|
360 |
^ matchBlock |
|
361 |
! ! |
|
362 |
||
1581 | 363 |
!HierarchicalFileList methodsFor:'searching'! |
364 |
||
2272 | 365 |
findLastForFile:aPathOrFile |
366 |
"find last item which matches the path or file |
|
367 |
returns the item or nil if not contained in self |
|
1581 | 368 |
" |
2272 | 369 |
|file searchItem rootDir rootComponents searchComponents| |
1581 | 370 |
|
2272 | 371 |
(aPathOrFile isNil or:[root isNil]) ifTrue:[ |
1582 | 372 |
^ nil |
1581 | 373 |
]. |
374 |
||
2272 | 375 |
file := aPathOrFile asFilename. |
376 |
file exists ifFalse:[ ^ nil ]. |
|
1581 | 377 |
|
2272 | 378 |
rootDir := root fileName asAbsoluteFilename. |
2290
29e279812a45
search not for absoluteFilename in searchItem to get the link files
penk
parents:
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diff
changeset
|
379 |
"/ file := file asAbsoluteFilename. |
2272 | 380 |
|
1581 | 381 |
|
2290
29e279812a45
search not for absoluteFilename in searchItem to get the link files
penk
parents:
2272
diff
changeset
|
382 |
"/ (file pathName startsWith:(rootDir pathName)) ifFalse:[ |
29e279812a45
search not for absoluteFilename in searchItem to get the link files
penk
parents:
2272
diff
changeset
|
383 |
(file asString startsWith:(rootDir pathName)) ifFalse:[ |
2272 | 384 |
"not included" |
385 |
^ nil |
|
1581 | 386 |
]. |
2272 | 387 |
rootComponents := rootDir components. |
388 |
searchComponents := file components. |
|
389 |
searchItem := root. |
|
1581 | 390 |
|
2272 | 391 |
searchComponents from:(rootComponents size + 1) do:[:aName| |child| |
392 |
child := searchItem detect:[:el| el baseName = aName ] ifNone:nil. |
|
393 |
||
394 |
child isNil ifTrue:[ ^ searchItem ]. |
|
395 |
searchItem := child. |
|
1581 | 396 |
]. |
2272 | 397 |
^ searchItem |
1581 | 398 |
! ! |
399 |
||
2259 | 400 |
!HierarchicalFileList methodsFor:'update'! |
401 |
||
402 |
startIndicatorValidationFor:anItem |
|
403 |
"an item will be registered for an indication update |
|
404 |
" |
|
405 |
|prio| |
|
406 |
||
407 |
self criticalDo:[ |
|
408 |
indicatorList size == 0 ifTrue:[ |
|
409 |
indicatorList := OrderedCollection new. |
|
410 |
] ifFalse:[ |
|
411 |
indicatorList removeIdentical:anItem ifAbsent:nil. |
|
412 |
]. |
|
413 |
"/ indicatorList addFirst:anItem. |
|
414 |
indicatorList add:anItem. |
|
415 |
||
416 |
indicatorTask ifNil:[ |
|
417 |
prio := Processor activePriority. |
|
418 |
indicatorTask := [ self updateIndicatorCycle. ] forkAt:(prio - 1). |
|
419 |
indicatorTask priorityRange:(prio-1 to:prio). |
|
420 |
] |
|
421 |
]. |
|
422 |
! |
|
423 |
||
424 |
stopIndicatorValidationFor:anItem |
|
425 |
"stop the indicator validation for an item |
|
426 |
" |
|
427 |
self criticalDo:[ |
|
428 |
indicatorList ifNotNil:[ |
|
429 |
indicatorList removeIdentical:anItem ifAbsent:nil. |
|
430 |
anItem resetFetchIndicator. |
|
431 |
] |
|
432 |
]. |
|
433 |
! |
|
434 |
||
435 |
updateIndicatorCycle |
|
436 |
"run fetching indicator task cycle. |
|
437 |
This is done in the background to avoid long startup |
|
438 |
delays, in case the indicator information takes long to |
|
439 |
gather (i.e. when reading directories) |
|
440 |
" |
|
441 |
|repeat task item| |
|
442 |
||
443 |
repeat := true. |
|
444 |
task := indicatorTask. |
|
445 |
||
446 |
[ [ task notNil ] whileTrue:[ |
|
447 |
self criticalDo:[ |
|
448 |
( dependents size ~~ 0 "/ no dependencies (stop task) |
|
449 |
and:[indicatorList size ~~ 0] "/ nothing to do |
|
450 |
) ifTrue:[ |
|
451 |
item := indicatorList removeFirst. |
|
452 |
||
453 |
(self includesIdentical:item) ifFalse:[ |
|
454 |
"/ no longer visible |
|
455 |
item resetFetchIndicator. |
|
456 |
item := nil |
|
457 |
] |
|
458 |
] ifFalse:[ |
|
459 |
item := indicatorTask := task := nil |
|
460 |
] |
|
461 |
]. |
|
462 |
item ifNotNil:[ |
|
463 |
item fetchIndicator. |
|
464 |
Processor yield. |
|
465 |
]. |
|
466 |
] |
|
467 |
] valueNowOrOnUnwindDo:[ |
|
468 |
task ifNotNil:[ |
|
469 |
"/ oops, process terminated |
|
470 |
self criticalDo:[ |
|
471 |
"/ test whether a new task already started |
|
472 |
indicatorTask == task ifTrue:[ |
|
473 |
indicatorTask := nil |
|
474 |
] |
|
475 |
] |
|
476 |
] |
|
477 |
]. |
|
478 |
! ! |
|
479 |
||
2223
c34e7fd25e53
monitoring; delayed for directories; never for remoteDirectories
penk
parents:
2180
diff
changeset
|
480 |
!HierarchicalFileList::HierarchicalFileItem class methodsFor:'instance creation'! |
c34e7fd25e53
monitoring; delayed for directories; never for remoteDirectories
penk
parents:
2180
diff
changeset
|
481 |
|
2294 | 482 |
fileName:aFilename fileInfo:aFileInfoOrNil |
483 |
|item cls| |
|
484 |
||
485 |
aFileInfoOrNil isNil ifTrue:[ |
|
486 |
cls := HierarchicalFileList::RemoteDirectory |
|
487 |
] ifFalse:[ |
|
488 |
aFileInfoOrNil isDirectory ifTrue:[ |
|
489 |
cls := HierarchicalFileList::Directory |
|
490 |
] ifFalse:[ |
|
491 |
cls := HierarchicalFileList::File |
|
492 |
] |
|
493 |
]. |
|
494 |
item := cls basicNew initialize. |
|
495 |
item fileName:aFilename fileInfo:aFileInfoOrNil. |
|
496 |
^ item |
|
2223
c34e7fd25e53
monitoring; delayed for directories; never for remoteDirectories
penk
parents:
2180
diff
changeset
|
497 |
! |
1390 | 498 |
|
2294 | 499 |
new |
500 |
self error. |
|
1390 | 501 |
! ! |
502 |
||
2223
c34e7fd25e53
monitoring; delayed for directories; never for remoteDirectories
penk
parents:
2180
diff
changeset
|
503 |
!HierarchicalFileList::HierarchicalFileItem methodsFor:'accessing'! |
1390 | 504 |
|
505 |
baseName |
|
506 |
"returns the baseName |
|
507 |
" |
|
2138 | 508 |
^ fileName baseName. |
2293 | 509 |
! |
510 |
||
1390 | 511 |
fileName |
512 |
"returns the fileName |
|
513 |
" |
|
514 |
^ fileName |
|
515 |
||
516 |
||
517 |
! |
|
518 |
||
2294 | 519 |
fileName:aFilename |
520 |
fileName = aFilename ifFalse:[ |
|
521 |
fileName := aFilename. |
|
522 |
self changed:#label |
|
523 |
]. |
|
1390 | 524 |
! |
525 |
||
2293 | 526 |
fileSize |
527 |
"returns the fileSize |
|
528 |
" |
|
529 |
fileInfo isNil ifTrue:[^ nil]. |
|
2294 | 530 |
^ fileInfo size |
2293 | 531 |
! |
2267 | 532 |
|
2293 | 533 |
group |
534 |
"returns the printable group |
|
535 |
" |
|
2294 | 536 |
|gid group| |
537 |
||
538 |
fileInfo notNil ifTrue:[ |
|
539 |
gid := fileInfo gid. |
|
2293 | 540 |
|
2294 | 541 |
gid notNil ifTrue:[ |
542 |
(LastGIDToGroupNameMapping notNil and:[gid == LastGIDToGroupNameMapping key]) ifTrue:[ |
|
543 |
^ LastGIDToGroupNameMapping value |
|
544 |
]. |
|
2293 | 545 |
group := OperatingSystem getGroupNameFromID:gid. |
546 |
LastGIDToGroupNameMapping := gid -> group. |
|
2294 | 547 |
^ group |
2293 | 548 |
] |
2267 | 549 |
]. |
2294 | 550 |
^ '???' |
2267 | 551 |
! |
552 |
||
1390 | 553 |
icon |
554 |
"returns the icon key |
|
555 |
" |
|
556 |
|model| |
|
557 |
||
2223
c34e7fd25e53
monitoring; delayed for directories; never for remoteDirectories
penk
parents:
2180
diff
changeset
|
558 |
icon isNil ifTrue:[ |
c34e7fd25e53
monitoring; delayed for directories; never for remoteDirectories
penk
parents:
2180
diff
changeset
|
559 |
model := self model. |
c34e7fd25e53
monitoring; delayed for directories; never for remoteDirectories
penk
parents:
2180
diff
changeset
|
560 |
model ifNil:[^ nil]. |
2095 | 561 |
|
2223
c34e7fd25e53
monitoring; delayed for directories; never for remoteDirectories
penk
parents:
2180
diff
changeset
|
562 |
icon := model iconFor:self. |
1390 | 563 |
]. |
2223
c34e7fd25e53
monitoring; delayed for directories; never for remoteDirectories
penk
parents:
2180
diff
changeset
|
564 |
^ icon. |
1390 | 565 |
! |
566 |
||
567 |
label |
|
568 |
"returns the printable name, the baseName |
|
569 |
" |
|
2294 | 570 |
^ fileName baseName |
1390 | 571 |
! |
572 |
||
2293 | 573 |
modificationTime |
574 |
"returns the absolute time of modification |
|
575 |
" |
|
576 |
fileInfo isNil ifTrue:[^ nil]. |
|
2294 | 577 |
^ fileInfo modificationTime |
2293 | 578 |
! |
579 |
||
580 |
owner |
|
581 |
"returns the printable owner |
|
582 |
" |
|
2294 | 583 |
|uid owner| |
584 |
||
585 |
fileInfo notNil ifTrue:[ |
|
586 |
uid := fileInfo uid. |
|
2293 | 587 |
|
2294 | 588 |
uid notNil ifTrue:[ |
589 |
(LastUIDToUserNameMapping notNil and:[uid == LastUIDToUserNameMapping key]) ifTrue:[ |
|
590 |
^ LastUIDToUserNameMapping value |
|
591 |
]. |
|
2293 | 592 |
owner := OperatingSystem getUserNameFromID:uid. |
593 |
LastUIDToUserNameMapping := uid -> owner. |
|
2294 | 594 |
^ owner |
2293 | 595 |
] |
596 |
]. |
|
2294 | 597 |
|
598 |
^ '???' |
|
2293 | 599 |
! |
600 |
||
1390 | 601 |
pathName |
602 |
"returns the pathName |
|
603 |
" |
|
604 |
^ fileName pathName |
|
2267 | 605 |
! |
606 |
||
2293 | 607 |
permissions |
608 |
"returns the permissions as printable string |
|
609 |
" |
|
2294 | 610 |
|mode perms| |
2267 | 611 |
|
2294 | 612 |
fileInfo notNil ifTrue:[ |
613 |
mode := fileInfo mode. |
|
614 |
||
615 |
mode notNil ifTrue:[ |
|
616 |
perms := String new:9 withAll:$-. |
|
2293 | 617 |
|
2294 | 618 |
1 to:9 by:3 do:[:i| |
619 |
(mode bitAt:i ) == 1 ifTrue:[perms at:10 - i put:$x]. |
|
620 |
(mode bitAt:i + 1) == 1 ifTrue:[perms at:9 - i put:$w]. |
|
621 |
(mode bitAt:i + 2) == 1 ifTrue:[perms at:8 - i put:$r]. |
|
622 |
]. |
|
623 |
^ perms |
|
624 |
] |
|
2293 | 625 |
]. |
2294 | 626 |
^ '???' |
2293 | 627 |
! |
628 |
||
629 |
suffix |
|
630 |
"returns the suffix of the file |
|
631 |
" |
|
2294 | 632 |
(OperatingSystem isUNIXlike and:[(self baseName at:1) == $.]) ifTrue:[ |
633 |
^ '' |
|
2267 | 634 |
]. |
2294 | 635 |
^ fileName suffix |
636 |
! ! |
|
637 |
||
638 |
!HierarchicalFileList::HierarchicalFileItem methodsFor:'change & update'! |
|
639 |
||
640 |
changed:aParameter |
|
641 |
"the item changed; raise change notification |
|
642 |
" |
|
643 |
aParameter == #icon ifTrue:[ icon := nil ]. |
|
644 |
super changed:aParameter. |
|
645 |
! ! |
|
646 |
||
647 |
!HierarchicalFileList::HierarchicalFileItem methodsFor:'instance creation'! |
|
648 |
||
649 |
fileName:aFilename fileInfo:aFileInfoOrNil |
|
650 |
fileName := aFilename. |
|
651 |
fileInfo := aFileInfoOrNil. |
|
1390 | 652 |
! ! |
653 |
||
2223
c34e7fd25e53
monitoring; delayed for directories; never for remoteDirectories
penk
parents:
2180
diff
changeset
|
654 |
!HierarchicalFileList::HierarchicalFileItem methodsFor:'invalidate'! |
1390 | 655 |
|
656 |
invalidate |
|
657 |
"invalidate the contents |
|
658 |
" |
|
659 |
self invalidateRepairNow:false |
|
660 |
||
661 |
! |
|
662 |
||
663 |
invalidateRepairNow |
|
664 |
"invalidate the contents; repair now |
|
665 |
" |
|
666 |
self invalidateRepairNow:true |
|
667 |
||
668 |
! |
|
669 |
||
670 |
invalidateRepairNow:doRepair |
|
671 |
"invalidate the contents; dependent on the boolean |
|
672 |
do repair immediately |
|
673 |
" |
|
674 |
||
675 |
||
1866 | 676 |
! |
677 |
||
678 |
matchBlockChanged |
|
679 |
"called if the matchBlock changed |
|
680 |
" |
|
681 |
||
1390 | 682 |
! ! |
683 |
||
2223
c34e7fd25e53
monitoring; delayed for directories; never for remoteDirectories
penk
parents:
2180
diff
changeset
|
684 |
!HierarchicalFileList::HierarchicalFileItem methodsFor:'printing'! |
2127 | 685 |
|
686 |
printString |
|
687 |
||
688 |
^ super printString, ' for: ', self fileName asString |
|
689 |
! ! |
|
690 |
||
2270 | 691 |
!HierarchicalFileList::HierarchicalFileItem methodsFor:'protocol'! |
692 |
||
693 |
flushChildren |
|
694 |
"flush the children because node not visible .... |
|
695 |
canbe redefined by subclass |
|
696 |
" |
|
697 |
children := nil. |
|
698 |
! ! |
|
699 |
||
2223
c34e7fd25e53
monitoring; delayed for directories; never for remoteDirectories
penk
parents:
2180
diff
changeset
|
700 |
!HierarchicalFileList::HierarchicalFileItem methodsFor:'queries'! |
c34e7fd25e53
monitoring; delayed for directories; never for remoteDirectories
penk
parents:
2180
diff
changeset
|
701 |
|
c34e7fd25e53
monitoring; delayed for directories; never for remoteDirectories
penk
parents:
2180
diff
changeset
|
702 |
isDirectory |
c34e7fd25e53
monitoring; delayed for directories; never for remoteDirectories
penk
parents:
2180
diff
changeset
|
703 |
^ false |
c34e7fd25e53
monitoring; delayed for directories; never for remoteDirectories
penk
parents:
2180
diff
changeset
|
704 |
! |
c34e7fd25e53
monitoring; delayed for directories; never for remoteDirectories
penk
parents:
2180
diff
changeset
|
705 |
|
c34e7fd25e53
monitoring; delayed for directories; never for remoteDirectories
penk
parents:
2180
diff
changeset
|
706 |
isRemoteDirectory |
c34e7fd25e53
monitoring; delayed for directories; never for remoteDirectories
penk
parents:
2180
diff
changeset
|
707 |
^ false |
2267 | 708 |
! |
709 |
||
710 |
time |
|
711 |
||
712 |
^ self valueAt:#modified |
|
2223
c34e7fd25e53
monitoring; delayed for directories; never for remoteDirectories
penk
parents:
2180
diff
changeset
|
713 |
! ! |
c34e7fd25e53
monitoring; delayed for directories; never for remoteDirectories
penk
parents:
2180
diff
changeset
|
714 |
|
c34e7fd25e53
monitoring; delayed for directories; never for remoteDirectories
penk
parents:
2180
diff
changeset
|
715 |
!HierarchicalFileList::File methodsFor:'accessing'! |
c34e7fd25e53
monitoring; delayed for directories; never for remoteDirectories
penk
parents:
2180
diff
changeset
|
716 |
|
c34e7fd25e53
monitoring; delayed for directories; never for remoteDirectories
penk
parents:
2180
diff
changeset
|
717 |
children |
c34e7fd25e53
monitoring; delayed for directories; never for remoteDirectories
penk
parents:
2180
diff
changeset
|
718 |
"always returns an empty list |
c34e7fd25e53
monitoring; delayed for directories; never for remoteDirectories
penk
parents:
2180
diff
changeset
|
719 |
" |
c34e7fd25e53
monitoring; delayed for directories; never for remoteDirectories
penk
parents:
2180
diff
changeset
|
720 |
^ #() |
c34e7fd25e53
monitoring; delayed for directories; never for remoteDirectories
penk
parents:
2180
diff
changeset
|
721 |
! ! |
c34e7fd25e53
monitoring; delayed for directories; never for remoteDirectories
penk
parents:
2180
diff
changeset
|
722 |
|
1390 | 723 |
!HierarchicalFileList::File methodsFor:'queries'! |
724 |
||
725 |
hasChildren |
|
726 |
"always returns false |
|
727 |
" |
|
728 |
^ false |
|
729 |
! ! |
|
730 |
||
2259 | 731 |
!HierarchicalFileList::Directory class methodsFor:'documentation'! |
732 |
||
733 |
documentation |
|
734 |
" |
|
735 |
[Instance variables:] |
|
736 |
||
2267 | 737 |
fetchOperation <Symbol/Boolean> nil if children is nil, no information about has children |
738 |
#fetching registered in list to be updated for indication |
|
739 |
#hasChildren registered in list to be updated for indication |
|
740 |
#hasNoChildren has children but children list might be nil (remote) |
|
2259 | 741 |
" |
742 |
! ! |
|
743 |
||
2223
c34e7fd25e53
monitoring; delayed for directories; never for remoteDirectories
penk
parents:
2180
diff
changeset
|
744 |
!HierarchicalFileList::Directory methodsFor:'accessing'! |
1390 | 745 |
|
746 |
children |
|
747 |
"returns the list of children |
|
748 |
" |
|
2223
c34e7fd25e53
monitoring; delayed for directories; never for remoteDirectories
penk
parents:
2180
diff
changeset
|
749 |
|model| |
1390 | 750 |
|
2259 | 751 |
children ifNotNil:[ ^ children ]. |
1390 | 752 |
|
2259 | 753 |
model := self model. |
754 |
model ifNil:[ ^ nil ]. |
|
1390 | 755 |
|
2259 | 756 |
model criticalDo:[ |
757 |
children ifNil:[ self readChildren ]. |
|
2223
c34e7fd25e53
monitoring; delayed for directories; never for remoteDirectories
penk
parents:
2180
diff
changeset
|
758 |
]. |
c34e7fd25e53
monitoring; delayed for directories; never for remoteDirectories
penk
parents:
2180
diff
changeset
|
759 |
^ children |
c34e7fd25e53
monitoring; delayed for directories; never for remoteDirectories
penk
parents:
2180
diff
changeset
|
760 |
! |
c34e7fd25e53
monitoring; delayed for directories; never for remoteDirectories
penk
parents:
2180
diff
changeset
|
761 |
|
2270 | 762 |
flushChildren |
763 |
"flush the children because node not visible .... |
|
764 |
" |
|
765 |
children ifNotNil:[ |
|
766 |
"keep hasChildren information |
|
767 |
" |
|
768 |
children size ~~ 0 ifTrue:[ fetchOperation := #hasChildren ] |
|
769 |
ifFalse:[ fetchOperation := #hasNoChildren ]. |
|
770 |
children := nil. |
|
771 |
]. |
|
772 |
! |
|
773 |
||
2223
c34e7fd25e53
monitoring; delayed for directories; never for remoteDirectories
penk
parents:
2180
diff
changeset
|
774 |
readChildren |
c34e7fd25e53
monitoring; delayed for directories; never for remoteDirectories
penk
parents:
2180
diff
changeset
|
775 |
"reads the list of children |
c34e7fd25e53
monitoring; delayed for directories; never for remoteDirectories
penk
parents:
2180
diff
changeset
|
776 |
" |
2259 | 777 |
|model list hadChildren hasChildren| |
778 |
||
779 |
model := self model. |
|
2223
c34e7fd25e53
monitoring; delayed for directories; never for remoteDirectories
penk
parents:
2180
diff
changeset
|
780 |
|
2259 | 781 |
model ifNil:[ |
2223
c34e7fd25e53
monitoring; delayed for directories; never for remoteDirectories
penk
parents:
2180
diff
changeset
|
782 |
"/ must reread later |
2259 | 783 |
fetchOperation := modificationTime := children := nil. |
784 |
^ nil |
|
2223
c34e7fd25e53
monitoring; delayed for directories; never for remoteDirectories
penk
parents:
2180
diff
changeset
|
785 |
]. |
c34e7fd25e53
monitoring; delayed for directories; never for remoteDirectories
penk
parents:
2180
diff
changeset
|
786 |
|
2259 | 787 |
hadChildren := children size ~~ 0. |
788 |
||
789 |
"/ set to suppress reading of children |
|
1867 | 790 |
children := #(). |
2259 | 791 |
fetchOperation := nil. |
1867 | 792 |
modificationTime := fileName modificationTime. |
2259 | 793 |
model stopIndicatorValidationFor:self. |
794 |
||
1867 | 795 |
list := model childrenFor:self. |
796 |
||
797 |
list size ~~ 0 ifTrue:[ |
|
798 |
list do:[:aChild| aChild parent:self]. |
|
799 |
children := list. |
|
1390 | 800 |
]. |
2259 | 801 |
hasChildren := children size ~~ 0. |
2223
c34e7fd25e53
monitoring; delayed for directories; never for remoteDirectories
penk
parents:
2180
diff
changeset
|
802 |
|
2259 | 803 |
hasChildren ~~ hadChildren ifTrue:[ |
804 |
self changed:#redraw |
|
2223
c34e7fd25e53
monitoring; delayed for directories; never for remoteDirectories
penk
parents:
2180
diff
changeset
|
805 |
]. |
1390 | 806 |
^ children |
807 |
! ! |
|
808 |
||
2223
c34e7fd25e53
monitoring; delayed for directories; never for remoteDirectories
penk
parents:
2180
diff
changeset
|
809 |
!HierarchicalFileList::Directory methodsFor:'accessing-hierarchy'! |
c34e7fd25e53
monitoring; delayed for directories; never for remoteDirectories
penk
parents:
2180
diff
changeset
|
810 |
|
c34e7fd25e53
monitoring; delayed for directories; never for remoteDirectories
penk
parents:
2180
diff
changeset
|
811 |
collapse |
2270 | 812 |
|
2223
c34e7fd25e53
monitoring; delayed for directories; never for remoteDirectories
penk
parents:
2180
diff
changeset
|
813 |
super collapse. |
2270 | 814 |
|
815 |
children notNil ifTrue:[ |
|
816 |
children do:[:el| el flushChildren ] |
|
817 |
]. |
|
2223
c34e7fd25e53
monitoring; delayed for directories; never for remoteDirectories
penk
parents:
2180
diff
changeset
|
818 |
! |
2104
327f2f77ec12
support remote file-systems (not reading contents of directory if not yet initialized)
ca
parents:
2095
diff
changeset
|
819 |
|
327f2f77ec12
support remote file-systems (not reading contents of directory if not yet initialized)
ca
parents:
2095
diff
changeset
|
820 |
expand |
327f2f77ec12
support remote file-systems (not reading contents of directory if not yet initialized)
ca
parents:
2095
diff
changeset
|
821 |
"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
|
822 |
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
|
823 |
" |
2270 | 824 |
|
2104
327f2f77ec12
support remote file-systems (not reading contents of directory if not yet initialized)
ca
parents:
2095
diff
changeset
|
825 |
super expand. |
2223
c34e7fd25e53
monitoring; delayed for directories; never for remoteDirectories
penk
parents:
2180
diff
changeset
|
826 |
! |
c34e7fd25e53
monitoring; delayed for directories; never for remoteDirectories
penk
parents:
2180
diff
changeset
|
827 |
|
c34e7fd25e53
monitoring; delayed for directories; never for remoteDirectories
penk
parents:
2180
diff
changeset
|
828 |
recursiveCollapse |
2270 | 829 |
|
2223
c34e7fd25e53
monitoring; delayed for directories; never for remoteDirectories
penk
parents:
2180
diff
changeset
|
830 |
super recursiveCollapse. |
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 |
|
c34e7fd25e53
monitoring; delayed for directories; never for remoteDirectories
penk
parents:
2180
diff
changeset
|
833 |
recursiveExpand |
c34e7fd25e53
monitoring; delayed for directories; never for remoteDirectories
penk
parents:
2180
diff
changeset
|
834 |
"redefined to expand |
c34e7fd25e53
monitoring; delayed for directories; never for remoteDirectories
penk
parents:
2180
diff
changeset
|
835 |
" |
c34e7fd25e53
monitoring; delayed for directories; never for remoteDirectories
penk
parents:
2180
diff
changeset
|
836 |
self expand |
c34e7fd25e53
monitoring; delayed for directories; never for remoteDirectories
penk
parents:
2180
diff
changeset
|
837 |
|
c34e7fd25e53
monitoring; delayed for directories; never for remoteDirectories
penk
parents:
2180
diff
changeset
|
838 |
|
2104
327f2f77ec12
support remote file-systems (not reading contents of directory if not yet initialized)
ca
parents:
2095
diff
changeset
|
839 |
! ! |
327f2f77ec12
support remote file-systems (not reading contents of directory if not yet initialized)
ca
parents:
2095
diff
changeset
|
840 |
|
2259 | 841 |
!HierarchicalFileList::Directory methodsFor:'fetching'! |
842 |
||
843 |
basicFetchIndicator |
|
2267 | 844 |
|hasChildren| |
845 |
||
846 |
hasChildren := DirectoryContents directoryNamed:fileName |
|
847 |
detect:(self model matchBlock). |
|
848 |
hasChildren ifTrue:[ |
|
849 |
fetchOperation := #hasChildren |
|
850 |
] ifFalse:[ |
|
851 |
fetchOperation := #hasNoChildren |
|
852 |
]. |
|
853 |
children isNil ifTrue:[ |
|
854 |
"setup modification time to suppress monitorCycle |
|
855 |
" |
|
856 |
modificationTime := fileName modificationTime. |
|
857 |
]. |
|
2259 | 858 |
! |
859 |
||
860 |
fetchIndicator |
|
861 |
"fetch the indicator value which indicates whether children exists or not |
|
862 |
called by the list |
|
863 |
" |
|
864 |
children ifNotNil:[ |
|
865 |
"/ children already read |
|
866 |
fetchOperation := nil. |
|
867 |
^ self |
|
868 |
]. |
|
869 |
||
2267 | 870 |
fetchOperation ~~ #fetching ifTrue:[ |
2259 | 871 |
"/ children will be updated .... |
872 |
^ self |
|
873 |
]. |
|
874 |
"/ suppress restart of fetchIndicator |
|
875 |
||
876 |
self basicFetchIndicator. |
|
877 |
||
878 |
children notNil ifTrue:[ |
|
879 |
fetchOperation := nil. |
|
880 |
children notEmpty ifTrue:[ self changed:#redraw ]. |
|
881 |
] ifFalse:[ |
|
882 |
"/ is a remote or very slow file system |
|
2267 | 883 |
fetchOperation == #hasChildren ifTrue:[ |
884 |
self changed:#redraw |
|
885 |
]. |
|
2259 | 886 |
]. |
887 |
! |
|
888 |
||
889 |
resetFetchIndicator |
|
890 |
"update indication cycle has deregistered the item |
|
891 |
" |
|
892 |
fetchOperation := nil. |
|
893 |
! ! |
|
894 |
||
2223
c34e7fd25e53
monitoring; delayed for directories; never for remoteDirectories
penk
parents:
2180
diff
changeset
|
895 |
!HierarchicalFileList::Directory methodsFor:'queries'! |
1390 | 896 |
|
897 |
hasChildren |
|
898 |
"returns true if children exists |
|
899 |
" |
|
2259 | 900 |
|model| |
901 |
||
902 |
children notNil ifTrue:[ |
|
903 |
fetchOperation := nil. |
|
904 |
^ children size ~~ 0 |
|
905 |
]. |
|
906 |
||
907 |
fetchOperation ifNotNil:[ |
|
2267 | 908 |
^ fetchOperation == #hasChildren |
2259 | 909 |
]. |
910 |
||
911 |
model := self model. |
|
912 |
||
913 |
model notNil ifTrue:[ |
|
2267 | 914 |
fetchOperation := #fetching. |
2259 | 915 |
model startIndicatorValidationFor:self. |
916 |
] ifFalse:[ |
|
2267 | 917 |
self error:'should not happen' mayProceed:true. |
2259 | 918 |
fetchOperation := nil |
919 |
]. |
|
2267 | 920 |
^ children size ~~ 0 |
1390 | 921 |
! |
922 |
||
923 |
isDirectory |
|
924 |
"always returns true |
|
925 |
" |
|
926 |
^ true |
|
927 |
||
928 |
||
929 |
! ! |
|
930 |
||
2223
c34e7fd25e53
monitoring; delayed for directories; never for remoteDirectories
penk
parents:
2180
diff
changeset
|
931 |
!HierarchicalFileList::Directory methodsFor:'validation'! |
1390 | 932 |
|
2267 | 933 |
invalidateRepairNow:doRepair |
934 |
"invalidate contents |
|
935 |
" |
|
936 |
fetchOperation := modificationTime := nil. |
|
937 |
||
938 |
isExpanded ifFalse:[ |
|
939 |
children := nil |
|
940 |
] ifTrue:[ |
|
941 |
doRepair ifTrue:[ |
|
942 |
self monitoringCycle |
|
943 |
] ifFalse:[ |
|
944 |
children size == 0 ifTrue:[ |
|
945 |
"/ expanded but no children added, thus can reset the children |
|
946 |
children := nil |
|
947 |
] |
|
948 |
] |
|
949 |
]. |
|
950 |
! |
|
951 |
||
952 |
matchBlockChanged |
|
953 |
"called if the matchBlock changed |
|
954 |
" |
|
955 |
modificationTime := nil. |
|
956 |
||
957 |
isExpanded ifFalse:[ |
|
958 |
fetchOperation := children := nil. |
|
959 |
] ifTrue:[ |
|
960 |
self monitoringCycle. |
|
961 |
||
962 |
children size ~~ 0 ifTrue:[ |
|
963 |
children do:[:aChild| aChild matchBlockChanged ] |
|
964 |
] |
|
965 |
]. |
|
966 |
! |
|
967 |
||
968 |
monitoringCycle |
|
969 |
"run monitoring cycle |
|
970 |
!!!!!!!! called by the HierarchicalList only !!!!!!!! |
|
971 |
" |
|
972 |
|unusedDict addedItems mergedList size modifyTime model timeChanged| |
|
973 |
||
974 |
modifyTime := fileName modificationTime. |
|
975 |
modifyTime ifNil:[^ self]. |
|
976 |
||
977 |
timeChanged := (modificationTime isNil or:[modifyTime > modificationTime]). |
|
978 |
modificationTime := modifyTime. |
|
979 |
||
980 |
children ifNotNil:[ |
|
981 |
timeChanged ifFalse:[ |
|
982 |
^ self |
|
983 |
]. |
|
984 |
]. |
|
985 |
||
986 |
isExpanded ifFalse:[ |
|
987 |
timeChanged ifTrue:[ |
|
988 |
fetchOperation := children := nil. |
|
989 |
self changed:#redraw. |
|
990 |
]. |
|
991 |
^ self |
|
992 |
]. |
|
993 |
model := self model. |
|
994 |
children ifNil:[ children := #() ]. "/ disable update during merge |
|
995 |
||
996 |
||
997 |
fetchOperation := nil. |
|
998 |
mergedList := model childrenFor:self. |
|
999 |
||
1000 |
mergedList size == 0 ifTrue:[ |
|
1001 |
self removeAll. |
|
1002 |
^ self |
|
1003 |
]. |
|
1004 |
||
1005 |
size := children size. |
|
1006 |
||
1007 |
size == 0 ifTrue:[ |
|
1008 |
self addAll:mergedList. |
|
1009 |
^ self |
|
1010 |
]. |
|
1011 |
||
1012 |
model criticalDo:[ |
|
1013 |
addedItems := OrderedCollection new:128. |
|
1014 |
unusedDict := Dictionary new:size. |
|
1015 |
||
1016 |
children do:[:el| unusedDict at:(el fileName) put:el ]. |
|
1017 |
||
1018 |
mergedList keysAndValuesDo:[:anIndex :anItem| |item| |
|
1019 |
item := unusedDict removeKey:(anItem fileName) ifAbsent:nil. |
|
1020 |
||
1021 |
item notNil ifTrue:[ |
|
1022 |
mergedList at:anIndex put:item |
|
1023 |
] ifFalse:[ |
|
1024 |
addedItems add:anItem. |
|
1025 |
anItem parent:self. |
|
1026 |
]. |
|
1027 |
]. |
|
1028 |
"/ 12 is hardcoded !!!!!!!! |
|
1029 |
||
1030 |
(unusedDict size + addedItems size) > 12 ifTrue:[ |
|
1031 |
"/ generate two nofifications: collapse and expand |
|
1032 |
self collapse. |
|
1033 |
children := mergedList. |
|
1034 |
self expand. |
|
1035 |
] ifFalse:[ |
|
1036 |
unusedDict do:[:el| self remove:el ]. |
|
1037 |
||
1038 |
addedItems notEmpty ifTrue:[ |
|
1039 |
self addAll:addedItems |
|
1040 |
]. |
|
1041 |
"/ children order changed test |
|
1042 |
children := mergedList. |
|
1043 |
self childrenOrderChanged. |
|
1044 |
]. |
|
1045 |
]. |
|
1390 | 1046 |
! ! |
1047 |
||
2223
c34e7fd25e53
monitoring; delayed for directories; never for remoteDirectories
penk
parents:
2180
diff
changeset
|
1048 |
!HierarchicalFileList::RemoteDirectory methodsFor:'queries'! |
c34e7fd25e53
monitoring; delayed for directories; never for remoteDirectories
penk
parents:
2180
diff
changeset
|
1049 |
|
2267 | 1050 |
hasChildren |
1051 |
"returns true if children exists |
|
1052 |
" |
|
1053 |
children notNil ifTrue:[ |
|
1054 |
fetchOperation := nil. |
|
1055 |
^ children size ~~ 0 |
|
1056 |
]. |
|
1057 |
fetchOperation := #hasChildren. |
|
1058 |
^ true |
|
1059 |
! |
|
1060 |
||
2223
c34e7fd25e53
monitoring; delayed for directories; never for remoteDirectories
penk
parents:
2180
diff
changeset
|
1061 |
isRemoteDirectory |
c34e7fd25e53
monitoring; delayed for directories; never for remoteDirectories
penk
parents:
2180
diff
changeset
|
1062 |
^ true |
c34e7fd25e53
monitoring; delayed for directories; never for remoteDirectories
penk
parents:
2180
diff
changeset
|
1063 |
! ! |
c34e7fd25e53
monitoring; delayed for directories; never for remoteDirectories
penk
parents:
2180
diff
changeset
|
1064 |
|
1390 | 1065 |
!HierarchicalFileList class methodsFor:'documentation'! |
1066 |
||
1067 |
version |
|
2296 | 1068 |
^ '$Header: /cvs/stx/stx/libwidg2/HierarchicalFileList.st,v 1.32 2002-10-15 08:29:25 ca Exp $' |
1390 | 1069 |
! ! |