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"
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COPYRIGHT (c) 1997 by Claus Gittinger / eXept Software AG
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All Rights Reserved
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This software is furnished under a license and may be used
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only in accordance with the terms of that license and with the
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inclusion of the above copyright notice. This software may not
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be provided or otherwise made available to, or used by, any
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other person. No title to or ownership of the software is
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hereby transferred.
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"
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View subclass:#DSVColumnView
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instanceVariableNames:'editValue editView selectedColIndex selectedRowIndex rowHeight
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columnDescriptors viewOrigin registererImages list fgColor canFit
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listSizeChanged beDependentOfRows has3Dsepartors bgColor
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hgLgFgColor hgLgBgColor actionBlock doubleClickActionBlock
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separatorLightColor separatorDarkColor'
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classVariableNames:'DefaultForegroundColor DefaultBackgroundColor
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DefaultHilightForegroundColor DefaultHilightBackgroundColor
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DefaultSeparatorDarkColor DefaultSeparatorLightColor'
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poolDictionaries:''
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category:'Views-DataSet'
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!
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!DSVColumnView class methodsFor:'documentation'!
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copyright
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"
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COPYRIGHT (c) 1997 by Claus Gittinger / eXept Software AG
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All Rights Reserved
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This software is furnished under a license and may be used
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only in accordance with the terms of that license and with the
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inclusion of the above copyright notice. This software may not
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be provided or otherwise made available to, or used by, any
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other person. No title to or ownership of the software is
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hereby transferred.
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"
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!
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documentation
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"
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implements a scrollable selection view based on rows and columns
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[Instance variables:]
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editValue <Model> current editing model
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editView <View> current editing component
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selectedColIndex <Integer> selected column index or 0
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selectedRowIndex <Integer> selected row index or 0
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rowHeight <Integer> maximum height of any row
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columnDescriptors <SequancableCollection> list of column descriptors
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list <SequancableCollection> list of rows
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fgColor <Color> foreground color
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registererImages <IdentityDictionary> list of images registered on the device
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[author:]
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Claus Atzkern
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[see also:]
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DataSetColumnSpec
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DataSetColumn
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DataSetView
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"
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! !
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!DSVColumnView class methodsFor:'defaults'!
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updateStyleCache
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"extract values from the styleSheet and cache them in class variables
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"
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<resource: #style (#textForegroundColor)>
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DefaultForegroundColor := StyleSheet colorAt:'textForegroundColor' default:(Color black).
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DefaultBackgroundColor := StyleSheet at:'scrollableViewBackgroundColor' default:DefaultViewBackgroundColor.
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DefaultHilightForegroundColor := StyleSheet colorAt:'selectionHilightForegroundColor' default:DefaultForegroundColor.
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DefaultHilightBackgroundColor := StyleSheet colorAt:'selectionHilightBackgroundColor' default:(Color veryLightGrey).
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DefaultSeparatorDarkColor := DefaultShadowColor ? (Color grayPercent:40).
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DefaultSeparatorLightColor := DefaultLightColor ? (Color grayPercent:75).
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"
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self updateStyleCache.
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"
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! !
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!DSVColumnView methodsFor:'accessing'!
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action:aOneArgAction
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actionBlock := aOneArgAction
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!
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doubleClickAction:aOneArgAction
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doubleClickActionBlock := aOneArgAction
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! !
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!DSVColumnView methodsFor:'accessing behavior'!
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beDependentOfRows
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"make myself dependent of any row; in this case any change notification
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raised by a row is catched and the cell identified by the 'readSelector'
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is redrawn. In case of a nil readSelector, the whole raw is redrawn.
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-> row changed:'what'
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On default the attribute is set to true (enabled).
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"
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^ beDependentOfRows
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!
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beDependentOfRows:aBool
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"make myself dependent of any row; in this case any change notification
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raised by a row is catched and the cell identified by the 'readSelector'
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is redrawn. In case of a nil readSelector, the whole raw is redrawn.
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-> row changed:'what'
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On default the attribute is set to true (enabled).
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"
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aBool ~~ beDependentOfRows ifTrue:[
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(beDependentOfRows := aBool) ifTrue:[
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self do:[:aRow| aRow addDependent:self]
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] ifFalse:[
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self do:[:aRow| aRow removeDependent:self]
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]
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].
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! !
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!DSVColumnView methodsFor:'accessing columns'!
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columnAt:anIndex
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"get the column at an index
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"
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^ columnDescriptors at:anIndex
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!
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columnDescriptors:colDesc
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"set the columnDescriptors
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"
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self setSelectColIndex:0 rowIndex:0.
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colDesc size ~~ 0 ifTrue:[
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columnDescriptors := colDesc collect:[:aCol|
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DataSetColumn on:self description:aCol
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]
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] ifFalse:[
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columnDescriptors := #()
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].
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canFit := (columnDescriptors findFirst:[:aCol|aCol canResize]) ~~ 0.
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preferredExtent := nil.
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self preferredExtentChanged.
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realized ifTrue:[
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self fitColumns ifFalse:[self invalidate]
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]
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!
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firstColumn
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"get the first column
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"
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^ columnDescriptors at:1
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!
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lastColumn
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"get the last column
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"
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^ columnDescriptors last
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! !
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!DSVColumnView methodsFor:'accessing rows'!
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at:aRowNr
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"return the row at an index, aRowNr
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"
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^ list at:aRowNr
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!
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at:aRowNr ifAbsent:exceptionBlock
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"return the element at a aRowNr. If the index is invalid, return the
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result of evaluating the exceptionblock
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"
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^ list at:aRowNr ifAbsent:exceptionBlock
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!
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at:aRowNr put:aRow
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"change the row at an index. The added row is returned
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"
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beDependentOfRows ifTrue:[
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(list at:aRow) removeDependent:self.
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aRow addDependent:self
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] ifFalse:[
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list at:aRowNr put:aRow
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].
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self redrawRowAt:aRowNr.
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^ aRow.
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!
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first
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"return the first row
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"
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^ list at:1
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last
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"return the last row
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"
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^ list last
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!
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list
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"get the list of rows
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"
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^ list
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!
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list:aList
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"set the list of rows
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"
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|oldSize|
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self setSelectColIndex:0 rowIndex:0.
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aList size ~~ 0 ifTrue:[ "/ otherwise keep old values
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self columnsDo:[:aCol| aCol invalidate ].
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].
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oldSize := list size.
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beDependentOfRows ifTrue:[
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self do:[:aRow| aRow removeDependent:self].
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list := aList.
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self do:[:aRow| aRow addDependent:self]
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] ifFalse:[
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list := aList
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].
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list size == 0 ifTrue:[
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list := nil
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].
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self preferredExtentChanged.
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realized ifTrue:[
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list size ~~ 0 ifTrue:[
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self fitColumns ifTrue:[^ self ].
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] ifFalse:[
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oldSize == 0 ifTrue:[
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^ self
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]
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].
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self invalidate
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]
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! !
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!DSVColumnView methodsFor:'accessing visibility'!
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backgroundColor
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"get the background color of the rows
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"
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^ bgColor
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!
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backgroundColor:aColor
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"set the background color of the rows
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"
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bgColor ~~ aColor ifTrue:[
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super viewBackground:bgColor.
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self realized ifTrue:[
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bgColor := aColor on:device.
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self invalidate
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] ifFalse:[
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bgColor := aColor
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].
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self changed:#style.
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]
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!
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font:aFont
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"set the font for all shown rows.
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"
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(aFont notNil and:[aFont ~~ font]) ifTrue:[
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super font:(aFont on:device).
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self columnsDo:[:aCol| aCol invalidate ].
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self preferredExtentChanged.
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realized ifTrue:[
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self invalidate.
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self contentsChanged
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].
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self changed:#style.
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]
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!
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foregroundColor
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"return the foreground color of the rows
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"
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^ fgColor
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!
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foregroundColor:aColor
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"set the foreground color of the rows
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"
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fgColor ~~ aColor ifTrue:[
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self realized ifTrue:[
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fgColor := aColor on:device.
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self invalidate
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] ifFalse:[
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fgColor := aColor
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].
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self changed:#style.
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]
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!
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has3Dsepartors
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^ has3Dsepartors
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!
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has3Dsepartors:aBool
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aBool ~~ has3Dsepartors ifTrue:[
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has3Dsepartors := aBool.
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self columnsDo:[:aCol| aCol invalidate ].
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self preferredExtentChanged.
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realized ifTrue:[
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self invalidate.
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self contentsChanged
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].
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self changed:#style.
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]
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!
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hgLgBgColor
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^ hgLgBgColor
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!
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hgLgFgColor
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^ hgLgFgColor
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!
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horizontalSpacing
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"horizontal spacing used by columns
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"
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^ 4
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!
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separatorDarkColor
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^ separatorDarkColor
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!
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separatorLightColor
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^ separatorLightColor
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!
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verticalSpacing
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"vertical spacing used by columns
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"
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^ 1
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! !
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!DSVColumnView methodsFor:'adding & removing rows'!
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add:aRow
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"insert row at the end of the list of rows
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"
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^ self add:aRow beforeIndex:(1 + list size)
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!
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add:aRow afterIndex:aRowNr
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"add a new row after slot aRowNr and redisplay; returns nil in case
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of an invalid index index or the row added to the list
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"
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^ self add:aRow beforeIndex:(aRowNr + 1)
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!
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406 |
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add:aRow beforeIndex:aRowNr
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"add a new row before slot aRowNr and redisplay; returns nil in case
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of an invalid index index or the row added to the list
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410 |
"
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545
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411 |
|y0 y1 h dH|
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542
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412 |
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413 |
list isNil ifTrue:[
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414 |
list := OrderedCollection new.
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415 |
preferredExtent := nil. "/ force a recomputation
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416 |
] ifFalse:[
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417 |
list isArray ifTrue:[list := list asOrderedCollection]
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418 |
].
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|
419 |
list add:aRow beforeIndex:aRowNr.
|
|
|
420 |
self recomputeHeightOfContents.
|
|
|
421 |
|
|
|
422 |
beDependentOfRows ifTrue:[
|
|
|
423 |
aRow addDependent:self.
|
|
|
424 |
].
|
|
|
425 |
(aRowNr <= selectedRowIndex) ifTrue:[
|
|
|
426 |
selectedRowIndex := selectedRowIndex + 1.
|
|
|
427 |
].
|
|
|
428 |
y0 := (aRowNr - 1) * rowHeight.
|
|
|
429 |
|
|
|
430 |
y0 < viewOrigin y ifTrue:[
|
|
|
431 |
self originWillChange.
|
|
|
432 |
viewOrigin y:(rowHeight + viewOrigin y).
|
|
|
433 |
self originChanged:(0 @ rowHeight).
|
|
|
434 |
].
|
|
|
435 |
shown ifTrue:[
|
|
|
436 |
y0 := self yVisibleOfRowNr:aRowNr.
|
|
|
437 |
y1 := y0 + rowHeight.
|
|
|
438 |
|
|
|
439 |
(y1 > margin and:[y0 < (height - margin)]) ifTrue:[
|
|
|
440 |
h := height - margin - y1.
|
|
|
441 |
y0 := y0 max:margin.
|
|
|
442 |
dH := y1 - y0.
|
|
|
443 |
self catchExpose.
|
|
|
444 |
self copyFrom:self x:0 y:y0
|
|
|
445 |
toX:0 y:y1
|
|
|
446 |
width:width height:h async:true.
|
|
|
447 |
self waitForExpose.
|
|
|
448 |
self redrawX:margin y:y0 width:width height:dH.
|
|
|
449 |
]
|
|
|
450 |
].
|
|
|
451 |
listSizeChanged := true.
|
|
|
452 |
self contentsChanged.
|
|
|
453 |
listSizeChanged := false.
|
|
|
454 |
^ aRow
|
|
|
455 |
!
|
|
|
456 |
|
|
|
457 |
addFirst:aRow
|
|
|
458 |
"insert row at the start of the list of rows
|
|
|
459 |
"
|
|
|
460 |
^ self add:aRow beforeIndex:1
|
|
|
461 |
!
|
|
|
462 |
|
|
|
463 |
removeFirst
|
|
|
464 |
"remove first row; returns the removed row
|
|
|
465 |
"
|
|
|
466 |
self removeIndex:1
|
|
|
467 |
!
|
|
|
468 |
|
|
|
469 |
removeIndex:aRowNr
|
|
|
470 |
"remove row at an index; returns the removed row
|
|
|
471 |
"
|
|
545
|
472 |
|y0 y1 h dY oY yB noRedraw row|
|
|
542
|
473 |
|
|
|
474 |
row := list at:aRowNr ifAbsent:[^ self subscriptBoundsError:aRowNr].
|
|
|
475 |
|
|
|
476 |
list isArray ifTrue:[
|
|
|
477 |
list := list asOrderedCollection.
|
|
|
478 |
].
|
|
|
479 |
selectedRowIndex == aRowNr ifTrue:[
|
|
|
480 |
self selectColIndex:0 rowIndex:0
|
|
|
481 |
] ifFalse:[
|
|
|
482 |
selectedRowIndex > aRowNr ifTrue:[
|
|
|
483 |
selectedRowIndex := selectedRowIndex - 1
|
|
|
484 |
]
|
|
|
485 |
].
|
|
|
486 |
y1 := aRowNr * rowHeight.
|
|
|
487 |
y0 := y1 - rowHeight.
|
|
|
488 |
yB := y1 + margin - viewOrigin y.
|
|
|
489 |
|
|
|
490 |
list removeIndex:aRowNr.
|
|
|
491 |
self recomputeHeightOfContents.
|
|
|
492 |
|
|
|
493 |
y0 < (oY := viewOrigin y) ifTrue:[
|
|
|
494 |
(noRedraw := y1 <= oY) ifFalse:[dY := y0 - oY]
|
|
|
495 |
ifTrue:[dY := rowHeight negated].
|
|
|
496 |
self originWillChange.
|
|
|
497 |
viewOrigin y:(dY + oY).
|
|
|
498 |
self originChanged:(0 @ dY).
|
|
|
499 |
] ifFalse:[
|
|
|
500 |
noRedraw := y0 > (height + viewOrigin y)
|
|
|
501 |
].
|
|
|
502 |
|
|
|
503 |
(noRedraw or:[shown not]) ifFalse:[
|
|
|
504 |
y1 := yB.
|
|
|
505 |
y0 := self yVisibleOfRowNr:aRowNr.
|
|
|
506 |
h := height - margin - yB.
|
|
|
507 |
y0 := y0 max:margin.
|
|
|
508 |
|
|
|
509 |
self catchExpose.
|
|
|
510 |
self copyFrom:self x:0 y:yB toX:0 y:y0 width:width height:h async:true.
|
|
|
511 |
self waitForExpose.
|
|
|
512 |
y0 := y0 + h.
|
|
|
513 |
self redrawX:margin y:y0 width:width height:(height - y0).
|
|
|
514 |
].
|
|
|
515 |
listSizeChanged := true.
|
|
|
516 |
self contentsChanged.
|
|
|
517 |
listSizeChanged := false.
|
|
|
518 |
|
|
|
519 |
beDependentOfRows ifTrue:[
|
|
|
520 |
row removeDependent:self
|
|
|
521 |
].
|
|
|
522 |
|
|
|
523 |
^ row.
|
|
|
524 |
!
|
|
|
525 |
|
|
|
526 |
removeLast
|
|
|
527 |
"remove last row; the row is returned
|
|
|
528 |
"
|
|
|
529 |
^ self removeIndex:list size
|
|
|
530 |
! !
|
|
|
531 |
|
|
|
532 |
!DSVColumnView methodsFor:'change & update'!
|
|
|
533 |
|
|
|
534 |
update:something with:aParameter from:changedObject
|
|
|
535 |
"one of my rows/cells changed its value
|
|
|
536 |
"
|
|
|
537 |
|rowNr colNr|
|
|
|
538 |
|
|
|
539 |
rowNr := self findFirst:[:aRow| aRow == changedObject ].
|
|
|
540 |
|
|
|
541 |
rowNr ~~ 0 ifTrue:[
|
|
|
542 |
something notNil ifTrue:[
|
|
|
543 |
colNr := columnDescriptors findFirst:[:aCol|
|
|
|
544 |
aCol readSelector == something
|
|
|
545 |
]
|
|
|
546 |
] ifFalse:[
|
|
|
547 |
colNr := 0
|
|
|
548 |
].
|
|
|
549 |
self redrawRowAt:rowNr colAt:colNr
|
|
|
550 |
].
|
|
|
551 |
! !
|
|
|
552 |
|
|
|
553 |
!DSVColumnView methodsFor:'enumerating columns'!
|
|
|
554 |
|
|
|
555 |
columnsDo:aOneArgBlock
|
|
|
556 |
"evaluate the argument, aOneArgBlock for every column
|
|
|
557 |
"
|
|
|
558 |
columnDescriptors do:aOneArgBlock
|
|
|
559 |
|
|
|
560 |
|
|
|
561 |
!
|
|
|
562 |
|
|
|
563 |
columnsFrom:start to:stop do:aOneArgBlock
|
|
|
564 |
"evaluate the argument, aOneArgBlock for the columns with index start to
|
|
|
565 |
stop in the collection of column descriptors
|
|
|
566 |
"
|
|
|
567 |
columnDescriptors from:start to:stop do:aOneArgBlock
|
|
|
568 |
|
|
|
569 |
|
|
|
570 |
! !
|
|
|
571 |
|
|
|
572 |
!DSVColumnView methodsFor:'enumerating rows'!
|
|
|
573 |
|
|
|
574 |
do:aOneArgBlock
|
|
|
575 |
"evaluate the argument, aOneArgBlock for every row
|
|
|
576 |
"
|
|
|
577 |
list size ~~ 0 ifTrue:[list do:aOneArgBlock]
|
|
|
578 |
|
|
|
579 |
!
|
|
|
580 |
|
|
|
581 |
findFirst:aOneArgBlock
|
|
|
582 |
"find the first row, for which evaluation of the argument, aOneArgBlock
|
|
|
583 |
returns true; return its index or 0 if none detected.
|
|
|
584 |
"
|
|
|
585 |
list size ~~ 0 ifTrue:[
|
|
|
586 |
^ list findFirst:aOneArgBlock
|
|
|
587 |
].
|
|
|
588 |
^ 0
|
|
|
589 |
|
|
|
590 |
!
|
|
|
591 |
|
|
|
592 |
from:start to:stop do:aOneArgBlock
|
|
|
593 |
"evaluate the argument, aOneArgBlock for the rows with index start to
|
|
|
594 |
stop in the collection of rows
|
|
|
595 |
"
|
|
|
596 |
list size >= start ifTrue:[
|
|
|
597 |
list from:start to:stop do:aOneArgBlock
|
|
|
598 |
]
|
|
|
599 |
! !
|
|
|
600 |
|
|
|
601 |
!DSVColumnView methodsFor:'event handling'!
|
|
|
602 |
|
|
|
603 |
buttonMultiPress:button x:x y:y
|
|
|
604 |
"a button was pressed twice - handle doubleclick here
|
|
|
605 |
"
|
|
|
606 |
((button == 1) or:[button == #select]) ifFalse:[
|
|
|
607 |
^ super buttonMultiPress:button x:x y:y
|
|
|
608 |
].
|
|
|
609 |
selectedRowIndex == (self yVisibleToRowNr:y) ifTrue:[
|
|
|
610 |
( selectedColIndex == 0
|
|
|
611 |
or:[selectedColIndex == (self xVisibleToColNr:x)]
|
|
|
612 |
) ifTrue:[
|
|
|
613 |
self doubleClicked
|
|
|
614 |
]
|
|
|
615 |
]
|
|
|
616 |
|
|
|
617 |
|
|
|
618 |
|
|
|
619 |
|
|
|
620 |
!
|
|
|
621 |
|
|
|
622 |
buttonPress:button x:x y:y
|
|
|
623 |
"a button was pressed - handle selection here
|
|
|
624 |
"
|
|
|
625 |
|rowNr colNr menu col|
|
|
|
626 |
|
|
|
627 |
( (rowNr := self yVisibleToRowNr:y) notNil
|
|
|
628 |
and:[(colNr := self xVisibleToColNr:x) notNil]
|
|
|
629 |
) ifTrue:[
|
|
|
630 |
((button == 2) or:[button == #menu]) ifTrue:[ "/ menu for cell
|
|
|
631 |
selectedRowIndex == rowNr ifTrue:[
|
|
|
632 |
(selectedColIndex == 0) ifTrue:[ "/ row selected
|
|
|
633 |
col := columnDescriptors detect:[:aCol|
|
|
|
634 |
aCol rendererType == #rowSelector
|
|
|
635 |
].
|
|
|
636 |
col notNil ifTrue:[
|
|
|
637 |
menu := col menuForRow:(self selectedRow).
|
|
|
638 |
menu notNil ifTrue:[
|
|
|
639 |
^ menu startUp
|
|
|
640 |
]
|
|
|
641 |
].
|
|
|
642 |
^ self
|
|
|
643 |
].
|
|
|
644 |
selectedColIndex == colNr ifTrue:[
|
|
|
645 |
menu := self selectedColumn menuForRow:(self selectedRow).
|
|
|
646 |
menu notNil ifTrue:[
|
|
|
647 |
^ menu startUp
|
|
|
648 |
].
|
|
|
649 |
].
|
|
|
650 |
].
|
|
|
651 |
] ifFalse:[
|
|
|
652 |
((button == 1) or:[button == #select]) ifTrue:[ "/ selection change
|
|
|
653 |
^ self selectColIndex:colNr rowIndex:rowNr
|
|
|
654 |
]
|
|
|
655 |
]
|
|
|
656 |
].
|
|
|
657 |
^ super buttonPress:button x:x y:y
|
|
|
658 |
|
|
|
659 |
|
|
|
660 |
!
|
|
|
661 |
|
|
|
662 |
contentsChanged
|
|
|
663 |
"contents changed - move origin up if possible
|
|
|
664 |
"
|
|
|
665 |
|y|
|
|
|
666 |
|
|
|
667 |
shown ifTrue:[
|
|
|
668 |
self recomputeHeightOfContents.
|
|
|
669 |
y := self maxViewOriginY.
|
|
|
670 |
|
|
|
671 |
viewOrigin y > y ifTrue:[
|
|
|
672 |
self scrollTo:(viewOrigin x @ y)
|
|
|
673 |
] ifFalse:[
|
|
|
674 |
self updateEditViewOrigin.
|
|
|
675 |
]
|
|
|
676 |
].
|
|
|
677 |
super contentsChanged
|
|
|
678 |
|
|
|
679 |
|
|
|
680 |
!
|
|
|
681 |
|
|
|
682 |
doubleClicked
|
|
|
683 |
"handle a double click
|
|
|
684 |
"
|
|
|
685 |
(doubleClickActionBlock notNil and:[self hasSelection]) ifTrue:[
|
|
|
686 |
doubleClickActionBlock value:selectedRowIndex
|
|
|
687 |
].
|
|
|
688 |
!
|
|
|
689 |
|
|
|
690 |
keyPress:key x:x y:y
|
|
|
691 |
"a key was pressed - handle page-keys here
|
|
|
692 |
"
|
|
|
693 |
<resource: #keyboard (#PreviousPage #NextPage #HalfPageUp #HalfPageDown
|
|
|
694 |
#BeginOfText #EndOfText
|
|
|
695 |
#ScrollUp #ScrollDown
|
|
|
696 |
#CursorUp #CursorDown #CursorRight #CursorLeft)>
|
|
|
697 |
|
|
|
698 |
|sensor n max idx col|
|
|
|
699 |
|
|
|
700 |
(key == #PreviousPage) ifTrue: [^ self pageUp].
|
|
|
701 |
(key == #NextPage) ifTrue: [^ self pageDown].
|
|
|
702 |
(key == #HalfPageUp) ifTrue: [^ self halfPageUp].
|
|
|
703 |
(key == #HalfPageDown) ifTrue: [^ self halfPageDown].
|
|
|
704 |
|
|
|
705 |
(key == #BeginOfText) ifTrue:[^ self scrollToTop].
|
|
|
706 |
(key == #EndOfText) ifTrue:[^ self scrollToBottom].
|
|
|
707 |
|
|
|
708 |
sensor := self sensor.
|
|
|
709 |
|
|
|
710 |
(key == #ScrollUp) ifTrue:[
|
|
|
711 |
sensor isNil ifTrue:[
|
|
|
712 |
n := 1
|
|
|
713 |
] ifFalse:[
|
|
|
714 |
n := 1 + (sensor compressKeyPressEventsWithKey:#ScrollUp).
|
|
|
715 |
].
|
|
|
716 |
^ self scrollUp:(n * self verticalScrollStep)
|
|
|
717 |
].
|
|
|
718 |
(key == #ScrollDown) ifTrue:[
|
|
|
719 |
sensor isNil ifTrue:[
|
|
|
720 |
n := 1
|
|
|
721 |
] ifFalse:[
|
|
|
722 |
n := 1 + (sensor compressKeyPressEventsWithKey:#ScrollDown).
|
|
|
723 |
].
|
|
|
724 |
^ self scrollDown:(n * self verticalScrollStep)
|
|
|
725 |
].
|
|
|
726 |
self hasSelection ifFalse:[^ self].
|
|
|
727 |
|
|
|
728 |
key == #Return ifTrue:[
|
|
|
729 |
^ self doubleClicked
|
|
|
730 |
].
|
|
|
731 |
|
|
|
732 |
(key == #CursorUp or:[key == #CursorDown]) ifTrue:[
|
|
|
733 |
sensor isNil ifTrue:[
|
|
|
734 |
n := 1
|
|
|
735 |
] ifFalse:[
|
|
|
736 |
n := 1 + (sensor compressKeyPressEventsWithKey:key).
|
|
|
737 |
].
|
|
|
738 |
max := self numberOfRows.
|
|
|
739 |
(n := n \\ max) == 0 ifTrue:[^ self ].
|
|
|
740 |
|
|
|
741 |
key == #CursorUp ifTrue:[
|
|
|
742 |
(n := selectedRowIndex - n) <= 0 ifTrue:[n := max + n]
|
|
|
743 |
] ifFalse:[
|
|
|
744 |
(n := selectedRowIndex + n) > max ifTrue:[n := n - max]
|
|
|
745 |
].
|
|
|
746 |
^ self selectColIndex:selectedColIndex rowIndex:n.
|
|
|
747 |
].
|
|
|
748 |
|
|
|
749 |
(key == #CursorRight or:[key == #CursorLeft]) ifTrue:[
|
|
|
750 |
selectedColIndex == 0 ifTrue:[ "/ line selected
|
|
|
751 |
^ self
|
|
|
752 |
].
|
|
|
753 |
sensor isNil ifTrue:[
|
|
|
754 |
n := 1
|
|
|
755 |
] ifFalse:[
|
|
|
756 |
n := 1 + (sensor compressKeyPressEventsWithKey:key).
|
|
|
757 |
].
|
|
|
758 |
(n := n \\ (self numberOfSelectableColumns)) == 0 ifTrue:[^ self ].
|
|
|
759 |
|
|
|
760 |
idx := selectedColIndex.
|
|
|
761 |
max := self numberOfColumns.
|
|
|
762 |
|
|
|
763 |
key == #CursorLeft ifTrue:[
|
|
|
764 |
[n ~~ 0] whileTrue:[
|
|
|
765 |
(idx := idx - 1) == 0 ifTrue:[idx := max].
|
|
|
766 |
(self columnAt:idx) canSelect ifTrue:[n := n - 1]
|
|
|
767 |
]
|
|
|
768 |
] ifFalse:[
|
|
|
769 |
[n ~~ 0] whileTrue:[
|
|
|
770 |
idx == max ifTrue:[idx := 1]
|
|
|
771 |
ifFalse:[idx := idx + 1].
|
|
|
772 |
(self columnAt:idx) canSelect ifTrue:[n := n - 1]
|
|
|
773 |
]
|
|
|
774 |
].
|
|
|
775 |
|
|
|
776 |
^ self selectColIndex:idx rowIndex:selectedRowIndex.
|
|
|
777 |
].
|
|
|
778 |
|
|
|
779 |
col := self columnAt:selectedColIndex.
|
|
|
780 |
|
|
|
781 |
"/ search forward
|
|
|
782 |
idx := col findRowNrStartingWithChar:key
|
|
|
783 |
start:(selectedRowIndex + 1)
|
|
|
784 |
stop:(self numberOfRows).
|
|
|
785 |
|
|
|
786 |
idx == 0 ifTrue:[
|
|
|
787 |
"/ search from begin
|
|
|
788 |
idx := col findRowNrStartingWithChar:key
|
|
|
789 |
start:1
|
|
|
790 |
stop:(selectedRowIndex - 1).
|
|
|
791 |
].
|
|
|
792 |
idx ~~ 0 ifTrue:[
|
|
|
793 |
self selectColIndex:selectedColIndex rowIndex:idx.
|
|
|
794 |
].
|
|
|
795 |
|
|
|
796 |
|
|
|
797 |
|
|
|
798 |
|
|
|
799 |
|
|
|
800 |
!
|
|
|
801 |
|
|
|
802 |
originChanged:delta
|
|
|
803 |
"this one is sent, after the origin of my contents has changed -
|
|
|
804 |
tell dependents (i.e. scrollers) about this
|
|
|
805 |
"
|
|
|
806 |
super originChanged:delta.
|
|
|
807 |
self updateEditViewOrigin.
|
|
|
808 |
!
|
|
|
809 |
|
|
|
810 |
sizeChanged:how
|
|
|
811 |
"size changed - move origin up if possible
|
|
|
812 |
"
|
|
|
813 |
super sizeChanged:how.
|
|
|
814 |
|
|
|
815 |
(shown and:[self numberOfColumns ~~ 0 and:[self fitColumns not]]) ifTrue:[
|
|
|
816 |
self scrollTo:viewOrigin. "/ validates viewOrigin
|
|
|
817 |
self invalidate.
|
|
|
818 |
self scrollToSelection
|
|
|
819 |
]
|
|
|
820 |
|
|
|
821 |
! !
|
|
|
822 |
|
|
|
823 |
!DSVColumnView methodsFor:'gc operations'!
|
|
|
824 |
|
|
|
825 |
registerImage:anImage key:aKey
|
|
|
826 |
"any row can register an image with a unique identifier a key symbol
|
|
|
827 |
"
|
|
|
828 |
|img|
|
|
|
829 |
|
|
|
830 |
(img := registererImages at:aKey ifAbsent:nil) notNil ifTrue:[
|
|
|
831 |
^ img
|
|
|
832 |
].
|
|
|
833 |
^ registererImages at:aKey put:(anImage onDevice:device)
|
|
|
834 |
!
|
|
|
835 |
|
|
|
836 |
registeredImageAt:aKey
|
|
|
837 |
"any row can register an image with a unique identifier
|
|
|
838 |
"
|
|
|
839 |
^ registererImages at:aKey ifAbsent:nil
|
|
|
840 |
!
|
|
|
841 |
|
|
|
842 |
releaseAllRegisteredImages
|
|
|
843 |
"release all registered images
|
|
|
844 |
"
|
|
|
845 |
registererImages := IdentityDictionary new.
|
|
|
846 |
! !
|
|
|
847 |
|
|
|
848 |
!DSVColumnView methodsFor:'initialization'!
|
|
|
849 |
|
|
|
850 |
create
|
|
|
851 |
"set foreground color
|
|
|
852 |
"
|
|
|
853 |
super create.
|
|
|
854 |
fgColor := fgColor on:device.
|
|
|
855 |
bgColor := bgColor on:device.
|
|
|
856 |
hgLgFgColor := hgLgFgColor on:device.
|
|
|
857 |
hgLgBgColor := hgLgBgColor on:device.
|
|
|
858 |
separatorLightColor := separatorLightColor on:device.
|
|
|
859 |
separatorDarkColor := separatorDarkColor on:device.
|
|
|
860 |
|
|
|
861 |
!
|
|
|
862 |
|
|
|
863 |
destroy
|
|
|
864 |
"remove dependencies
|
|
|
865 |
"
|
|
|
866 |
beDependentOfRows ifTrue:[
|
|
|
867 |
self do:[:aRow| aRow removeDependent:self].
|
|
|
868 |
].
|
|
|
869 |
super destroy
|
|
|
870 |
!
|
|
|
871 |
|
|
|
872 |
initStyle
|
|
|
873 |
"setup viewStyle specifics"
|
|
|
874 |
|
|
|
875 |
super initStyle.
|
|
|
876 |
|
|
|
877 |
DefaultForegroundColor isNil ifTrue:[
|
|
|
878 |
self class updateStyleCache
|
|
|
879 |
].
|
|
|
880 |
fgColor := DefaultForegroundColor.
|
|
|
881 |
bgColor := DefaultBackgroundColor.
|
|
|
882 |
hgLgFgColor := DefaultHilightForegroundColor.
|
|
|
883 |
hgLgBgColor := DefaultHilightBackgroundColor.
|
|
|
884 |
separatorDarkColor := DefaultSeparatorDarkColor.
|
|
|
885 |
separatorLightColor := DefaultSeparatorLightColor.
|
|
|
886 |
!
|
|
|
887 |
|
|
|
888 |
initialize
|
|
|
889 |
"set default attributes
|
|
|
890 |
"
|
|
|
891 |
super initialize.
|
|
|
892 |
|
|
|
893 |
viewOrigin := 0@0.
|
|
|
894 |
font := font on:device.
|
|
|
895 |
"/ self bitGravity:#NorthWest.
|
|
|
896 |
rowHeight := font height.
|
|
|
897 |
selectedRowIndex := 0.
|
|
|
898 |
selectedColIndex := 0.
|
|
|
899 |
registererImages := IdentityDictionary new.
|
|
|
900 |
has3Dsepartors := false.
|
|
|
901 |
columnDescriptors := #().
|
|
|
902 |
beDependentOfRows := true.
|
|
|
903 |
listSizeChanged := false.
|
|
|
904 |
|
|
|
905 |
!
|
|
|
906 |
|
|
|
907 |
realize
|
|
|
908 |
"recompute contents; set selection
|
|
|
909 |
"
|
|
|
910 |
|rowNr colNr|
|
|
|
911 |
|
|
|
912 |
self recomputeHeightOfContents.
|
|
|
913 |
super realize.
|
|
|
914 |
|
|
|
915 |
rowNr := selectedRowIndex.
|
|
|
916 |
colNr := selectedColIndex.
|
|
|
917 |
selectedColIndex := 0.
|
|
|
918 |
selectedRowIndex := 0.
|
|
|
919 |
self fitColumns.
|
|
|
920 |
self setSelectColIndex:colNr rowIndex:rowNr.
|
|
|
921 |
self bitGravity:#NorthWest.
|
|
|
922 |
|
|
|
923 |
! !
|
|
|
924 |
|
|
|
925 |
!DSVColumnView methodsFor:'private'!
|
|
|
926 |
|
|
|
927 |
fitColumns
|
|
|
928 |
"fit columns to view
|
|
|
929 |
"
|
|
|
930 |
|lastColumn dX sz expand resizables deltaWidth|
|
|
|
931 |
|
|
|
932 |
self canFit ifFalse:[^ false ].
|
|
|
933 |
resizables := 0.
|
|
|
934 |
self preferredExtent.
|
|
|
935 |
|
|
|
936 |
self columnsDo:[:aCol|
|
|
|
937 |
aCol canResize ifTrue:[
|
|
|
938 |
resizables := resizables + 1.
|
|
|
939 |
deltaWidth := aCol setMinWidth.
|
|
|
940 |
lastColumn := aCol.
|
|
|
941 |
]
|
|
|
942 |
].
|
|
|
943 |
resizables == 0 ifTrue:[ ^ false ].
|
|
|
944 |
|
|
|
945 |
sz := self widthOfContents.
|
|
|
946 |
|
|
|
947 |
(expand := sz < width) ifTrue:[
|
|
|
948 |
deltaWidth := width - sz + margin + margin.
|
|
|
949 |
] ifFalse:[
|
|
|
950 |
deltaWidth == 0 ifTrue:[ ^ false ].
|
|
|
951 |
].
|
|
|
952 |
|
|
|
953 |
expand ifTrue:[
|
|
|
954 |
(dX := deltaWidth // resizables) ~~ 0 ifTrue:[
|
|
|
955 |
self columnsDo:[:aCol|aCol canResize ifTrue:[aCol growWidth:dX]]
|
|
|
956 |
].
|
|
|
957 |
lastColumn growWidth:(deltaWidth - (dX * resizables)).
|
|
|
958 |
].
|
|
|
959 |
self preferredExtentChanged.
|
|
|
960 |
self invalidate.
|
|
|
961 |
|
|
|
962 |
self hasSelection ifTrue:[
|
|
|
963 |
editView notNil ifTrue:[
|
|
|
964 |
editView width:(self selectedColumn width - 1 - self separatorSize)
|
|
|
965 |
].
|
|
|
966 |
self scrollToSelection.
|
|
|
967 |
].
|
|
|
968 |
self contentsChanged.
|
|
|
969 |
^ true
|
|
|
970 |
|
|
|
971 |
|
|
|
972 |
!
|
|
|
973 |
|
|
|
974 |
maxViewOriginY
|
|
|
975 |
"returns the maximum possible y of the view origin
|
|
|
976 |
"
|
|
|
977 |
|y|
|
|
|
978 |
|
|
|
979 |
y := self heightOfContents - self innerHeight.
|
|
|
980 |
^ y max:0
|
|
|
981 |
|
|
|
982 |
!
|
|
|
983 |
|
|
|
984 |
updateEditViewOrigin
|
|
|
985 |
"update origin of the editView
|
|
|
986 |
"
|
|
|
987 |
|x y|
|
|
|
988 |
|
|
|
989 |
editView notNil ifTrue:[
|
|
|
990 |
y := 1 + (self yVisibleOfRowNr:selectedRowIndex).
|
|
|
991 |
x := 1 + (self xVisibleOfColNr:selectedColIndex).
|
|
|
992 |
|
|
|
993 |
editView origin:(x @ y).
|
|
|
994 |
].
|
|
|
995 |
|
|
|
996 |
!
|
|
|
997 |
|
|
|
998 |
xVisibleOfColNr:aColNr
|
|
|
999 |
"returns visible x assigned to a column number
|
|
|
1000 |
"
|
|
|
1001 |
|x|
|
|
|
1002 |
|
|
|
1003 |
x := margin - viewOrigin x.
|
|
|
1004 |
self columnsFrom:1 to:(aColNr - 1) do:[:aCol| x := x + aCol width ].
|
|
|
1005 |
^ x
|
|
|
1006 |
|
|
|
1007 |
!
|
|
|
1008 |
|
|
|
1009 |
xVisibleToColNr:x
|
|
|
1010 |
|x0 nr|
|
|
|
1011 |
|
|
|
1012 |
x0 := x + viewOrigin x - margin.
|
|
|
1013 |
nr := 1.
|
|
|
1014 |
|
|
|
1015 |
self columnsDo:[:aCol|
|
|
|
1016 |
(x0 := x0 - aCol width) <= 0 ifTrue:[^ nr].
|
|
|
1017 |
nr := nr + 1.
|
|
|
1018 |
].
|
|
|
1019 |
^ nil.
|
|
|
1020 |
|
|
|
1021 |
!
|
|
|
1022 |
|
|
|
1023 |
yVisibleOfRowNr:aRowNr
|
|
|
1024 |
"returns visible y assigned to the row number
|
|
|
1025 |
"
|
|
|
1026 |
^ (aRowNr - 1) * rowHeight + margin - viewOrigin y
|
|
|
1027 |
|
|
|
1028 |
!
|
|
|
1029 |
|
|
|
1030 |
yVisibleToRowNr:y
|
|
|
1031 |
"returns row number or nil
|
|
|
1032 |
"
|
|
|
1033 |
|y0|
|
|
|
1034 |
|
|
|
1035 |
y0 := (y + viewOrigin y - margin) // rowHeight + 1.
|
|
|
1036 |
^ (y0 <= self numberOfRows) ifTrue:[y0] ifFalse:[nil]
|
|
|
1037 |
|
|
|
1038 |
! !
|
|
|
1039 |
|
|
|
1040 |
!DSVColumnView methodsFor:'queries'!
|
|
|
1041 |
|
|
|
1042 |
canFit
|
|
|
1043 |
"returns true if columns can be fit to view
|
|
|
1044 |
"
|
|
|
1045 |
^ canFit
|
|
|
1046 |
!
|
|
|
1047 |
|
|
|
1048 |
listSizeChanged
|
|
|
1049 |
^ listSizeChanged
|
|
|
1050 |
!
|
|
|
1051 |
|
|
|
1052 |
numberOfColumns
|
|
|
1053 |
"returns number of columns
|
|
|
1054 |
"
|
|
|
1055 |
^ columnDescriptors size
|
|
|
1056 |
|
|
|
1057 |
!
|
|
|
1058 |
|
|
|
1059 |
numberOfRows
|
|
|
1060 |
"returns number of raws
|
|
|
1061 |
"
|
|
|
1062 |
^ list size
|
|
|
1063 |
|
|
|
1064 |
!
|
|
|
1065 |
|
|
|
1066 |
numberOfSelectableColumns
|
|
|
1067 |
"returns number of selectable columns
|
|
|
1068 |
"
|
|
|
1069 |
|num|
|
|
|
1070 |
|
|
|
1071 |
num := 0.
|
|
|
1072 |
self columnsDo:[:aCol| aCol canSelect ifTrue:[num := num + 1] ].
|
|
|
1073 |
^ num
|
|
|
1074 |
!
|
|
|
1075 |
|
|
|
1076 |
rowHeight
|
|
|
1077 |
"get the height of the highest row in pixels
|
|
|
1078 |
"
|
|
|
1079 |
^ rowHeight
|
|
|
1080 |
|
|
|
1081 |
!
|
|
|
1082 |
|
|
|
1083 |
separatorSize
|
|
|
1084 |
"returns vertical/horizontal size of a separator dependent on the
|
|
|
1085 |
3D effect.
|
|
|
1086 |
"
|
|
|
1087 |
^ has3Dsepartors ifTrue:[4] ifFalse:[1]
|
|
|
1088 |
|
|
|
1089 |
!
|
|
|
1090 |
|
|
|
1091 |
size
|
|
|
1092 |
"returns number of raws
|
|
|
1093 |
"
|
|
|
1094 |
^ list size
|
|
|
1095 |
|
|
|
1096 |
! !
|
|
|
1097 |
|
|
|
1098 |
!DSVColumnView methodsFor:'recomputation'!
|
|
|
1099 |
|
|
|
1100 |
preferredExtent
|
|
|
1101 |
"recompute preferred extent
|
|
|
1102 |
"
|
|
|
1103 |
|x|
|
|
|
1104 |
|
|
|
1105 |
preferredExtent notNil ifTrue:[
|
|
|
1106 |
^ preferredExtent
|
|
|
1107 |
].
|
|
|
1108 |
x := 3.
|
|
|
1109 |
rowHeight := 0.
|
|
|
1110 |
|
|
|
1111 |
self columnsDo:[:aCol|
|
|
|
1112 |
rowHeight := (aCol heightOfHighestRow) max:rowHeight.
|
|
|
1113 |
x := x + (aCol minWidth).
|
|
|
1114 |
].
|
|
|
1115 |
rowHeight := rowHeight + (2 * self verticalSpacing) + (self separatorSize).
|
|
|
1116 |
preferredExtent := (x + margin + margin) @ (self numberOfRows * rowHeight).
|
|
|
1117 |
|
|
|
1118 |
x := (rowHeight - font height) // 2 + font ascent.
|
|
|
1119 |
self columnsDo:[:aCol|aCol textInsetChanged:x].
|
|
|
1120 |
^ preferredExtent
|
|
|
1121 |
|
|
|
1122 |
|
|
|
1123 |
!
|
|
|
1124 |
|
|
|
1125 |
preferredExtentChanged
|
|
|
1126 |
|y x|
|
|
|
1127 |
|
|
|
1128 |
y := viewOrigin y.
|
|
|
1129 |
x := viewOrigin x.
|
|
|
1130 |
|
|
|
1131 |
(y ~~ 0 or:[x ~~ 0]) ifTrue:[
|
|
|
1132 |
self originWillChange.
|
|
|
1133 |
viewOrigin := 0 @ 0.
|
|
|
1134 |
preferredExtent := nil.
|
|
|
1135 |
self originChanged:(x negated @ y negated).
|
|
|
1136 |
]
|
|
|
1137 |
!
|
|
|
1138 |
|
|
|
1139 |
recomputeHeightOfContents
|
|
|
1140 |
|
|
|
1141 |
preferredExtent notNil ifTrue:[
|
|
|
1142 |
preferredExtent y:(rowHeight * self numberOfRows)
|
|
|
1143 |
] ifFalse:[
|
|
|
1144 |
self preferredExtent
|
|
|
1145 |
].
|
|
|
1146 |
! !
|
|
|
1147 |
|
|
|
1148 |
!DSVColumnView methodsFor:'redrawing'!
|
|
|
1149 |
|
|
|
1150 |
invalidate
|
|
|
1151 |
"recompute extent before repair range
|
|
|
1152 |
"
|
|
|
1153 |
self recomputeHeightOfContents.
|
|
|
1154 |
super invalidate.
|
|
|
1155 |
|
|
|
1156 |
|
|
|
1157 |
!
|
|
|
1158 |
|
|
|
1159 |
redraw
|
|
|
1160 |
"redraw complete view
|
|
|
1161 |
"
|
|
|
1162 |
self redrawX:0 y:0 width:width height:height.
|
|
|
1163 |
|
|
|
1164 |
!
|
|
|
1165 |
|
|
|
1166 |
redrawRowAt:aRowNr
|
|
|
1167 |
"redraw total row at an index
|
|
|
1168 |
"
|
|
|
1169 |
self redrawRowAt:aRowNr colAt:0
|
|
|
1170 |
!
|
|
|
1171 |
|
|
|
1172 |
redrawRowAt:aRowNr colAt:aColNr
|
|
|
1173 |
"redraw visible row in case of aColNr == 0 or the column in a row;
|
|
|
1174 |
in case that the row/column is hidden no redraw is done
|
|
|
1175 |
"
|
|
|
1176 |
|x y h w|
|
|
|
1177 |
|
|
|
1178 |
(shown and:[aRowNr between:1 and:self numberOfRows]) ifTrue:[
|
|
|
1179 |
h := rowHeight - 1.
|
|
|
1180 |
|
|
|
1181 |
(y := self yVisibleOfRowNr:aRowNr) < margin ifTrue:[
|
|
|
1182 |
(h := h + y) <= margin ifTrue:[
|
|
|
1183 |
^ self
|
|
|
1184 |
]. "/ row not visible
|
|
|
1185 |
h := h - margin.
|
|
|
1186 |
y := margin.
|
|
|
1187 |
] ifFalse:[
|
|
|
1188 |
y >= height ifTrue:[^ self].
|
|
|
1189 |
].
|
|
|
1190 |
aColNr ~~ 0 ifTrue:[ "/ redraw column in row
|
|
|
1191 |
w := (self columnAt:aColNr) width - 1.
|
|
|
1192 |
|
|
|
1193 |
(x := self xVisibleOfColNr:aColNr) < margin ifTrue:[
|
|
|
1194 |
(w := w + x) <= margin ifTrue:[
|
|
|
1195 |
^ self
|
|
|
1196 |
]. "/ column not visible
|
|
|
1197 |
w := w - margin.
|
|
|
1198 |
x := margin.
|
|
|
1199 |
] ifFalse:[
|
|
|
1200 |
x >= width ifTrue:[^ self].
|
|
|
1201 |
]
|
|
|
1202 |
] ifFalse:[ "/ redraw whole row
|
|
|
1203 |
x := margin.
|
|
|
1204 |
w := width.
|
|
|
1205 |
].
|
|
|
1206 |
self redrawX:x y:y width:w height:h
|
|
|
1207 |
]
|
|
|
1208 |
!
|
|
|
1209 |
|
|
|
1210 |
redrawX:x y:y width:w height:h
|
|
|
1211 |
"redraw part of myself immediately, given logical coordinates
|
|
|
1212 |
"
|
|
|
1213 |
|x0 x1 c0 c1 yT xM yTop yBot start stop prevTrans prevClipArea clipHeight|
|
|
|
1214 |
|
|
|
1215 |
shown ifFalse:[^ self].
|
|
|
1216 |
|
|
|
1217 |
self paint:bgColor.
|
|
|
1218 |
self fillRectangleX:x y:y width:w height:h.
|
|
|
1219 |
|
|
|
1220 |
yT := margin - viewOrigin y.
|
|
|
1221 |
c0 := y - yT.
|
|
|
1222 |
|
|
|
1223 |
start := (c0 // rowHeight) + 1.
|
|
|
1224 |
stop := (c0 + h - 1 // rowHeight + 1) min:(self numberOfRows).
|
|
|
1225 |
|
|
|
1226 |
stop < start ifTrue:[
|
|
|
1227 |
^ self
|
|
|
1228 |
].
|
|
|
1229 |
xM := (x + w) min:(width - margin).
|
|
|
1230 |
prevTrans := transformation.
|
|
|
1231 |
prevClipArea := clipRect.
|
|
|
1232 |
clipRect := nil.
|
|
|
1233 |
transformation := WindowingTransformation new.
|
|
|
1234 |
clipHeight := height - margin - margin.
|
|
|
1235 |
|
|
|
1236 |
x0 := margin - (viewOrigin x).
|
|
|
1237 |
yTop := (start - 1) * rowHeight.
|
|
|
1238 |
yBot := stop * rowHeight.
|
|
|
1239 |
|
|
|
1240 |
self columnsDo:[:aCol|
|
|
|
1241 |
((x1 := x0 + aCol width) >= x and:[x0 < xM]) ifTrue:[
|
|
|
1242 |
c0 := x0 max:margin.
|
|
|
1243 |
c1 := (x1 + 1) min:xM.
|
|
|
1244 |
|
|
|
1245 |
device setClipX:c0 y:margin width:(c1 - c0) height:clipHeight
|
|
|
1246 |
in:drawableId gc:gcId.
|
|
|
1247 |
|
|
|
1248 |
transformation translation:(x0 @ yT).
|
|
|
1249 |
aCol drawFrom:start to:stop yTop:yTop yBot:yBot with:fgColor and:bgColor.
|
|
|
1250 |
].
|
|
|
1251 |
x0 := x1
|
|
|
1252 |
].
|
|
|
1253 |
transformation := prevTrans.
|
|
|
1254 |
clipRect := nil.
|
|
|
1255 |
|
|
|
1256 |
prevClipArea isNil ifTrue:[device noClipIn:drawableId gc:gcId]
|
|
|
1257 |
ifFalse:[self clippingRectangle:prevClipArea].
|
|
|
1258 |
|
|
|
1259 |
(w >= (width - margin - margin) and:[h >= (height - margin - margin)]) ifTrue:[
|
|
|
1260 |
self sensor flushExposeEventsFor:self.
|
|
|
1261 |
].
|
|
|
1262 |
! !
|
|
|
1263 |
|
|
|
1264 |
!DSVColumnView methodsFor:'scroller interface'!
|
|
|
1265 |
|
|
|
1266 |
heightOfContents
|
|
|
1267 |
"return the height of the contents in pixels
|
|
|
1268 |
"
|
|
|
1269 |
^ self preferredExtent y
|
|
|
1270 |
|
|
|
1271 |
|
|
|
1272 |
!
|
|
|
1273 |
|
|
|
1274 |
innerHeight
|
|
|
1275 |
"returns the inner height of the contents shown
|
|
|
1276 |
"
|
|
|
1277 |
^ height - margin - margin
|
|
|
1278 |
|
|
|
1279 |
!
|
|
|
1280 |
|
|
|
1281 |
innerWidth
|
|
|
1282 |
"returns the inner width of the contents shown
|
|
|
1283 |
"
|
|
|
1284 |
^ width - margin - margin
|
|
|
1285 |
|
|
|
1286 |
!
|
|
|
1287 |
|
|
|
1288 |
verticalScrollStep
|
|
|
1289 |
"return the amount to scroll when stepping up/down.
|
|
|
1290 |
"
|
|
|
1291 |
^ rowHeight
|
|
|
1292 |
|
|
|
1293 |
|
|
|
1294 |
|
|
|
1295 |
!
|
|
|
1296 |
|
|
|
1297 |
viewOrigin
|
|
|
1298 |
"return the viewOrigin; thats the coordinate of the contents
|
|
|
1299 |
which is shown topLeft in the view.
|
|
|
1300 |
"
|
|
|
1301 |
^ viewOrigin
|
|
|
1302 |
|
|
|
1303 |
!
|
|
|
1304 |
|
|
|
1305 |
widthOfContents
|
|
|
1306 |
"return the width of the contents in pixels
|
|
|
1307 |
"
|
|
|
1308 |
^ self preferredExtent x
|
|
|
1309 |
|
|
|
1310 |
!
|
|
|
1311 |
|
|
|
1312 |
xOriginOfContents
|
|
|
1313 |
"return the horizontal origin of the contents in pixels
|
|
|
1314 |
"
|
|
|
1315 |
^ viewOrigin x
|
|
|
1316 |
|
|
|
1317 |
!
|
|
|
1318 |
|
|
|
1319 |
yOriginOfContents
|
|
|
1320 |
"return the vertical origin of the contents in pixels
|
|
|
1321 |
"
|
|
|
1322 |
^ viewOrigin y
|
|
|
1323 |
|
|
|
1324 |
! !
|
|
|
1325 |
|
|
|
1326 |
!DSVColumnView methodsFor:'scrolling'!
|
|
|
1327 |
|
|
|
1328 |
halfPageDown
|
|
|
1329 |
"scroll down half a page
|
|
|
1330 |
"
|
|
|
1331 |
self scrollDown:(self innerHeight // 2)
|
|
|
1332 |
|
|
|
1333 |
|
|
|
1334 |
!
|
|
|
1335 |
|
|
|
1336 |
halfPageUp
|
|
|
1337 |
"scroll up half a page
|
|
|
1338 |
"
|
|
|
1339 |
self scrollUp:(self innerHeight // 2)
|
|
|
1340 |
|
|
|
1341 |
!
|
|
|
1342 |
|
|
|
1343 |
scrollTo:anOrigin redraw:doRedraw
|
|
|
1344 |
"change origin to have newOrigin be visible at the top-left.
|
|
|
1345 |
"
|
|
|
1346 |
|x y dX dY newOrg dltOrg h innerWT innerHG|
|
|
|
1347 |
|
|
|
1348 |
shown ifFalse:[
|
|
|
1349 |
^ self
|
|
|
1350 |
].
|
|
|
1351 |
[self sensor hasExposeEventFor:nil] whileTrue:[
|
|
|
1352 |
self windowGroup processExposeEvents
|
|
|
1353 |
].
|
|
|
1354 |
innerWT := self innerWidth.
|
|
|
1355 |
innerHG := self innerHeight.
|
|
|
1356 |
|
|
|
1357 |
h := viewOrigin y.
|
|
|
1358 |
|
|
|
1359 |
(y := anOrigin y) > h ifTrue:[ "/ end of contents
|
|
|
1360 |
y > (dY := self maxViewOriginY) ifTrue:[
|
|
|
1361 |
y := dY max:h
|
|
|
1362 |
]
|
|
|
1363 |
] ifFalse:[
|
|
|
1364 |
y := y max:0.
|
|
|
1365 |
].
|
|
|
1366 |
|
|
|
1367 |
(x := anOrigin x) > 0 ifTrue:[
|
|
|
1368 |
x := x min:(self widthOfContents - innerWT).
|
|
|
1369 |
].
|
|
|
1370 |
x := x max:0.
|
|
|
1371 |
newOrg := (x @ y).
|
|
|
1372 |
dltOrg := newOrg - viewOrigin.
|
|
|
1373 |
dX := dltOrg x.
|
|
|
1374 |
dY := dltOrg y.
|
|
|
1375 |
|
|
|
1376 |
(dX == 0 and:[dY == 0]) ifTrue:[
|
|
|
1377 |
^ self
|
|
|
1378 |
].
|
|
|
1379 |
self originWillChange.
|
|
|
1380 |
viewOrigin := newOrg.
|
|
|
1381 |
|
|
|
1382 |
doRedraw ifFalse:[
|
|
|
1383 |
^ self originChanged:dltOrg
|
|
|
1384 |
].
|
|
|
1385 |
|
|
|
1386 |
dY ~~ 0 ifTrue:[ "/ SCROLL VERTICAL
|
|
|
1387 |
dY := dY abs.
|
|
|
1388 |
|
|
|
1389 |
(dX ~~ 0 or:[innerHG - dY < 20]) ifTrue:[
|
|
|
1390 |
self redraw.
|
|
|
1391 |
] ifFalse:[ "/ COPY VERTICAL
|
|
|
1392 |
|y0 y1|
|
|
|
1393 |
|
|
|
1394 |
y0 := y1 := margin + dY.
|
|
|
1395 |
h := innerHG - dY.
|
|
|
1396 |
|
|
|
1397 |
dltOrg y < 0 ifTrue:[y0 := margin. y := y0]
|
|
|
1398 |
ifFalse:[y1 := margin. y := y1 + h].
|
|
|
1399 |
|
|
|
1400 |
self catchExpose.
|
|
|
1401 |
|
|
|
1402 |
self copyFrom:self x:0 y:y0 toX:0 y:y1 width:width height:h async:true.
|
|
|
1403 |
self waitForExpose.
|
|
|
1404 |
self redrawX:0 y:y width:width height:(innerHG - h).
|
|
|
1405 |
]
|
|
|
1406 |
] ifFalse:[ "/ SCROLL HORIZONTAL
|
|
|
1407 |
dX := dX abs.
|
|
|
1408 |
|
|
|
1409 |
innerWT - dX < 20 ifTrue:[
|
|
|
1410 |
self redraw.
|
|
|
1411 |
] ifFalse:[ "/ COPY HORIZONTAL
|
|
|
1412 |
|x0 x1 w|
|
|
|
1413 |
|
|
|
1414 |
x0 := x1 := dX.
|
|
|
1415 |
w := width - dX - margin.
|
|
|
1416 |
|
|
|
1417 |
dltOrg x < 0 ifTrue:[x0 := 0. x := x0]
|
|
|
1418 |
ifFalse:[x1 := 0. x := w].
|
|
|
1419 |
|
|
|
1420 |
self catchExpose.
|
|
|
1421 |
self copyFrom:self x:x0 y:0 toX:x1 y:0 width:w height:height async:true.
|
|
|
1422 |
self waitForExpose.
|
|
|
1423 |
self redrawX:x y:0 width:(width - w) height:height.
|
|
|
1424 |
]
|
|
|
1425 |
].
|
|
|
1426 |
self originChanged:dltOrg.
|
|
|
1427 |
!
|
|
|
1428 |
|
|
|
1429 |
scrollToRowAt:aRowNr colAt:aColNr
|
|
|
1430 |
"make row at a row number in column at a column number visible
|
|
|
1431 |
"
|
|
|
1432 |
|x y l dY dX|
|
|
|
1433 |
|
|
|
1434 |
( (aRowNr between:1 and:(self numberOfRows))
|
|
|
1435 |
and:[aColNr between:0 and:(self numberOfColumns)]
|
|
|
1436 |
) ifFalse:[
|
|
|
1437 |
^ self
|
|
|
1438 |
].
|
|
|
1439 |
|
|
|
1440 |
dY := dX := 0.
|
|
|
1441 |
y := self yVisibleOfRowNr:aRowNr.
|
|
|
1442 |
|
|
|
1443 |
y < margin ifTrue:[
|
|
|
1444 |
dY := margin - y.
|
|
|
1445 |
] ifFalse:[
|
|
|
1446 |
y := y + rowHeight.
|
|
|
1447 |
l := height - margin.
|
|
|
1448 |
y > l ifTrue:[dY := l - y]
|
|
|
1449 |
].
|
|
|
1450 |
|
|
|
1451 |
aColNr == 0 ifTrue:[
|
|
|
1452 |
dY == 0 ifTrue:[^ self].
|
|
|
1453 |
dX := 0.
|
|
|
1454 |
] ifFalse:[
|
|
|
1455 |
x := self xVisibleOfColNr:aColNr.
|
|
|
1456 |
|
|
|
1457 |
x < margin ifTrue:[
|
|
|
1458 |
dX := margin - x
|
|
|
1459 |
] ifFalse:[
|
|
|
1460 |
x := x + (self columnAt:aColNr) width.
|
|
|
1461 |
l := width - margin.
|
|
|
1462 |
x > l ifTrue:[dX := l - x]
|
|
|
1463 |
]
|
|
|
1464 |
].
|
|
|
1465 |
|
|
|
1466 |
(dX == 0 and:[dY == 0]) ifFalse:[
|
|
|
1467 |
self scrollTo:(viewOrigin - (dX @ dY)).
|
|
|
1468 |
]
|
|
|
1469 |
|
|
|
1470 |
|
|
|
1471 |
!
|
|
|
1472 |
|
|
|
1473 |
scrollToSelection
|
|
|
1474 |
"make selection visible
|
|
|
1475 |
"
|
|
|
1476 |
self hasSelection ifTrue:[
|
|
|
1477 |
self scrollToRowAt:selectedRowIndex colAt:selectedColIndex
|
|
|
1478 |
]
|
|
|
1479 |
|
|
|
1480 |
! !
|
|
|
1481 |
|
|
|
1482 |
!DSVColumnView methodsFor:'selection'!
|
|
|
1483 |
|
|
|
1484 |
hasSelection
|
|
|
1485 |
"returns true if a selection (raw and column) exists
|
|
|
1486 |
"
|
|
|
1487 |
^ selectedRowIndex ~~ 0
|
|
|
1488 |
|
|
|
1489 |
|
|
|
1490 |
!
|
|
|
1491 |
|
|
|
1492 |
selectColIndex:aColNr
|
|
|
1493 |
"select new column; keep row index
|
|
|
1494 |
"
|
|
|
1495 |
self selectColIndex:aColNr rowIndex:selectedRowIndex
|
|
|
1496 |
!
|
|
|
1497 |
|
|
|
1498 |
selectColIndex:aColNr rowIndex:aRowNr
|
|
|
1499 |
"change selection with notification
|
|
|
1500 |
"
|
|
|
1501 |
|oC oR|
|
|
|
1502 |
|
|
|
1503 |
oC := selectedColIndex.
|
|
|
1504 |
oR := selectedRowIndex.
|
|
|
1505 |
|
|
|
1506 |
self setSelectColIndex:aColNr rowIndex:aRowNr.
|
|
|
1507 |
|
|
|
1508 |
(oC ~~ selectedColIndex or:[oR ~~ selectedRowIndex]) ifTrue:[
|
|
|
1509 |
self selectionChanged
|
|
|
1510 |
].
|
|
|
1511 |
!
|
|
|
1512 |
|
|
|
1513 |
selectRow:aRow
|
|
|
1514 |
"select a row
|
|
|
1515 |
"
|
|
|
1516 |
|rowNr|
|
|
|
1517 |
|
|
|
1518 |
aRow notNil ifTrue:[rowNr := self findFirst:[:r| r == aRow ]]
|
|
|
1519 |
ifFalse:[rowNr := 0].
|
|
|
1520 |
|
|
|
1521 |
self selectRowIndex:rowNr.
|
|
|
1522 |
!
|
|
|
1523 |
|
|
|
1524 |
selectRowIndex:aRowNr
|
|
|
1525 |
"select new row; keep column index
|
|
|
1526 |
"
|
|
|
1527 |
self selectColIndex:selectedColIndex rowIndex:aRowNr
|
|
|
1528 |
!
|
|
|
1529 |
|
|
|
1530 |
selectedColIndex
|
|
|
1531 |
"returns selected column number or 0
|
|
|
1532 |
"
|
|
|
1533 |
^ selectedColIndex
|
|
|
1534 |
!
|
|
|
1535 |
|
|
|
1536 |
selectedColumn
|
|
|
1537 |
"returns selected column or nil
|
|
|
1538 |
"
|
|
|
1539 |
^ columnDescriptors at:selectedColIndex ifAbsent:nil.
|
|
|
1540 |
!
|
|
|
1541 |
|
|
|
1542 |
selectedRow
|
|
|
1543 |
"returns selected row or nil
|
|
|
1544 |
"
|
|
|
1545 |
^ self at:selectedRowIndex ifAbsent:nil
|
|
|
1546 |
!
|
|
|
1547 |
|
|
|
1548 |
selectedRowIndex
|
|
|
1549 |
"returns selected row number or 0
|
|
|
1550 |
"
|
|
|
1551 |
^ selectedRowIndex
|
|
|
1552 |
!
|
|
|
1553 |
|
|
|
1554 |
selectedRowIndexInColumn:aCol
|
|
|
1555 |
selectedRowIndex ~~ 0 ifTrue:[
|
|
|
1556 |
(selectedColIndex == 0 or:[self selectedColumn == aCol]) ifTrue:[
|
|
|
1557 |
^ selectedRowIndex
|
|
|
1558 |
]
|
|
|
1559 |
].
|
|
|
1560 |
^ 0
|
|
|
1561 |
!
|
|
|
1562 |
|
|
|
1563 |
selectionChanged
|
|
|
1564 |
"selection has changed
|
|
|
1565 |
"
|
|
|
1566 |
self changed:#selection.
|
|
|
1567 |
|
|
|
1568 |
actionBlock notNil ifTrue:[
|
|
|
1569 |
actionBlock value:selectedRowIndex
|
|
|
1570 |
]
|
|
|
1571 |
!
|
|
|
1572 |
|
|
|
1573 |
setSelectColIndex:aColNr rowIndex:aRowNr
|
|
|
1574 |
"change selection without notification
|
|
|
1575 |
"
|
|
545
|
1576 |
|rowNr colNr newCol oldCol oldRow level sensor|
|
|
542
|
1577 |
|
|
|
1578 |
(aRowNr between:0 and:(self numberOfRows)) ifTrue:[rowNr := aRowNr]
|
|
|
1579 |
ifFalse:[rowNr := 0].
|
|
|
1580 |
|
|
|
1581 |
colNr := 0.
|
|
|
1582 |
|
|
|
1583 |
( rowNr ~~ 0
|
|
|
1584 |
and:[(aColNr between:1 and:(self numberOfColumns))
|
|
|
1585 |
and:[(self columnAt:aColNr) rendererType ~~ #rowSelector]]
|
|
|
1586 |
) ifTrue:[
|
|
|
1587 |
colNr := aColNr
|
|
|
1588 |
].
|
|
|
1589 |
|
|
|
1590 |
(rowNr == selectedRowIndex and:[colNr == selectedColIndex]) ifTrue:[
|
|
|
1591 |
^ self "/ nothing changed
|
|
|
1592 |
].
|
|
|
1593 |
|
|
|
1594 |
rowNr ~~ 0 ifTrue:[
|
|
|
1595 |
colNr ~~ 0 ifTrue:[
|
|
|
1596 |
newCol := self columnAt:colNr.
|
|
|
1597 |
newCol canSelect ifFalse:[^ self]. "/ not selectable
|
|
|
1598 |
]
|
|
|
1599 |
].
|
|
|
1600 |
|
|
|
1601 |
"/ release old selection
|
|
|
1602 |
|
|
|
1603 |
oldCol := selectedColIndex.
|
|
|
1604 |
oldRow := selectedRowIndex.
|
|
|
1605 |
selectedRowIndex := rowNr.
|
|
|
1606 |
selectedColIndex := colNr.
|
|
|
1607 |
|
|
|
1608 |
oldRow ~~ 0 ifTrue:[
|
|
|
1609 |
editValue notNil ifTrue:[
|
|
|
1610 |
(self columnAt:oldCol) at:oldRow put:editValue value.
|
|
|
1611 |
editValue := nil
|
|
|
1612 |
].
|
|
|
1613 |
|
|
|
1614 |
editView notNil ifTrue:[
|
|
|
1615 |
editView destroy.
|
|
|
1616 |
editView := nil.
|
|
|
1617 |
].
|
|
|
1618 |
"/ redraw old selection unselected
|
|
|
1619 |
self realized ifTrue:[
|
|
|
1620 |
self redrawRowAt:oldRow colAt:oldCol.
|
|
|
1621 |
]
|
|
|
1622 |
].
|
|
|
1623 |
|
|
|
1624 |
"/ show new selection
|
|
|
1625 |
|
|
|
1626 |
self realized ifFalse:[^ self ].
|
|
|
1627 |
|
|
|
1628 |
newCol notNil ifTrue:[
|
|
|
1629 |
self scrollToRowAt:rowNr colAt:colNr.
|
|
|
1630 |
|
|
|
1631 |
newCol editorType ~~ #None ifTrue:[
|
|
|
1632 |
|
|
|
1633 |
level := 1 + self separatorSize.
|
|
|
1634 |
editView := SimpleView extent:((newCol width - level) @ (rowHeight - level)) in:self.
|
|
|
1635 |
self updateEditViewOrigin.
|
|
|
1636 |
editView viewBackground:hgLgBgColor.
|
|
|
1637 |
|
|
|
1638 |
editValue := newCol editorForRow:(self at:rowNr)
|
|
|
1639 |
in:editView
|
|
|
1640 |
with:hgLgFgColor
|
|
|
1641 |
bg:hgLgBgColor.
|
|
|
1642 |
editView realize.
|
|
|
1643 |
] ifFalse:[
|
|
|
1644 |
self redrawRowAt:rowNr colAt:colNr
|
|
|
1645 |
]
|
|
|
1646 |
] ifFalse:[
|
|
|
1647 |
selectedRowIndex ~~ 0 ifTrue:[
|
|
|
1648 |
self redrawRowAt:rowNr colAt:0.
|
|
|
1649 |
self scrollToRowAt:rowNr colAt:0.
|
|
|
1650 |
]
|
|
|
1651 |
].
|
|
|
1652 |
|
|
|
1653 |
(sensor := self sensor) notNil ifTrue:[
|
|
|
1654 |
[sensor hasExposeEventFor:nil] whileTrue:[
|
|
|
1655 |
self windowGroup processExposeEvents
|
|
|
1656 |
]
|
|
|
1657 |
]
|
|
|
1658 |
|
|
|
1659 |
|
|
|
1660 |
! !
|
|
|
1661 |
|
|
|
1662 |
!DSVColumnView class methodsFor:'documentation'!
|
|
|
1663 |
|
|
|
1664 |
version
|
|
545
|
1665 |
^ '$Header: /cvs/stx/stx/libwidg2/DSVColumnView.st,v 1.2 1997-10-10 19:47:04 cg Exp $'
|
|
542
|
1666 |
! !
|