author | Claus Gittinger <cg@exept.de> |
Fri, 15 Jun 2018 10:54:35 +0200 | |
changeset 5816 | 7876c07931a7 |
parent 5735 | eeb59688e7bb |
child 5945 | fdf3c398a30f |
permissions | -rw-r--r-- |
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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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2090
af478f964ac0
avoid overhead in scrollbar creation.
Claus Gittinger <cg@exept.de>
parents:
1495
diff
changeset
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"{ Package: 'stx:libwidg2' }" |
af478f964ac0
avoid overhead in scrollbar creation.
Claus Gittinger <cg@exept.de>
parents:
1495
diff
changeset
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"{ NameSpace: Smalltalk }" |
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ScrollableView subclass:#DataSetView |
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instanceVariableNames:'labelView rememberedTopOffsetOfScrolledView' |
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classVariableNames:'' |
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poolDictionaries:'' |
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category:'Views-DataSet' |
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! |
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!DataSetView 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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This class implements a selection list view based on rows and columns. |
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Instances are wrapping a DSVLabelView and a DSVColumnView. |
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It allows for the dynamic editing of this information. |
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This is a replacement for the obsolete TableView. |
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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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DSVColumnView |
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" |
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! |
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examples |
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" |
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example 1: list with valid rows of type Array |
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[exBegin] |
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|top scr columns rows bool rdWtSel| |
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top := StandardSystemView new label:'Simple Test'; extent:700@440. |
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scr := DataSetView origin:(0.0 @ 0.0) corner:(1.0 @ 1.0) in:top. |
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columns := OrderedCollection new. |
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rows := OrderedCollection new. |
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bool := true. |
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rdWtSel := #( #at: #at:put: ). |
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1 to:1000 do:[:i||n| |
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n := i printString. |
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rows add:(Array with:('text: ', n) with:('input: ', n) with:bool with:(i==20)). |
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bool := bool not. |
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]. |
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columns add:(DataSetColumnSpec label:'Text' editorType:#None selector:rdWtSel). |
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columns add:(DataSetColumnSpec label:'Input' editorType:#InputField selector:rdWtSel). |
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columns add:(DataSetColumnSpec label:'Toggle' editorType:#CheckToggle selector:rdWtSel). |
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columns add:(DataSetColumnSpec label:'Radio' editorType:#RadioButton selector:rdWtSel). |
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scr columnDescriptors:columns. |
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scr list:rows. |
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top open. |
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[exEnd] |
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example 2: list with none valid rows; defining #rowIfAbsent: block |
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[exBegin] |
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|top scr columns bool rdWtSel| |
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top := StandardSystemView new label:'Row Is Absent'; extent:700@440. |
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scr := DataSetView origin:(0.0 @ 0.0) corner:(1.0 @ 1.0) in:top. |
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columns := OrderedCollection new. |
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bool := true. |
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rdWtSel := #( #at: #at:put: ). |
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columns add:(DataSetColumnSpec label:'Text' editorType:#None selector:rdWtSel). |
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columns add:(DataSetColumnSpec label:'Input' editorType:#InputField selector:rdWtSel). |
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columns add:(DataSetColumnSpec label:'Toggle' editorType:#CheckToggle selector:rdWtSel). |
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scr rowIfAbsent:[:i| |
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bool := bool not. |
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Array with:('text: ', i printString) with:('input: ') with:bool |
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]. |
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scr columnDescriptors:columns. |
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scr list:(Array new:1000). |
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top open. |
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[exEnd] |
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example 3: list with valid rows of type Structure |
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[exBegin] |
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|top scr clDc rows slct list idx bool| |
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top := StandardSystemView new label:'Editors'; extent:700@440. |
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scr := DataSetView origin:(0.0 @ 0.0) corner:(1.0 @ 1.0) in:top. |
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clDc := OrderedCollection new. |
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rows := OrderedCollection new. |
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list := #( 'Text ' 'Field ' 'C-Box ' 'C-List ' true #( 'foo' 'bar' 'baz' ) ). |
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slct := #( #text #field #cbox #clist #toggle #choices ). |
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idx := 11. |
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bool := true. |
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20 timesRepeat:[ |values| |
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values := list collect:[:n| |
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n isString ifTrue:[n, idx printString] |
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ifFalse:[n == true ifTrue:[bool] ifFalse:[n]] |
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]. |
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rows add:(Structure newWith:slct values:values). |
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bool := bool not. |
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idx := idx + 1. |
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]. |
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clDc add:( DataSetColumnSpec label:'Text' editorType:#None selector:#text ). |
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clDc add:( DataSetColumnSpec label:'Text' editorType:#None selector:#text ). |
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clDc add:( DataSetColumnSpec label:'Field' editorType:#InputField selector:#field ). |
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clDc add:( DataSetColumnSpec label:'C-Box' editorType:#ComboBox selector:#cbox ). |
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clDc last choices:#choices. |
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clDc add:( DataSetColumnSpec label:'C-List' editorType:#ComboList selector:#clist ). |
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clDc last choices:#choices. |
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clDc add:( DataSetColumnSpec label:'Toggle' editorType:#CheckToggle selector:#toggle ). |
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scr has3Dseparators:true. |
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scr columnDescriptors:clDc. |
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scr list:rows. |
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top open. |
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[exEnd] |
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example 4: table includes a row selector and multiple select is enabled |
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[exBegin] |
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|top scr clDc rows slct list idx bool| |
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top := StandardSystemView new label:'Multiple Select'; extent:700@440. |
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scr := DataSetView origin:(0.0 @ 0.0) corner:(1.0 @ 1.0) in:top. |
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clDc := OrderedCollection new. |
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rows := OrderedCollection new. |
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list := #( 'Text ' 'Field ' 'C-Box ' 'C-List ' true #( 'foo' 'bar' 'baz' ) ). |
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slct := #( #text #field #cbox #clist #toggle #choices ). |
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idx := 11. |
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bool := true. |
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20 timesRepeat:[ |values| |
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values := list collect:[:n| |
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n isString ifTrue:[n, idx printString] |
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ifFalse:[n == true ifTrue:[bool] ifFalse:[n]] |
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]. |
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rows add:(Structure newWith:slct values:values). |
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bool := bool not. |
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idx := idx + 1. |
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]. |
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clDc add:( DataSetColumnSpec rowSelector ). |
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clDc add:( DataSetColumnSpec label:'Text' editorType:#None selector:#text ). |
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clDc add:( DataSetColumnSpec label:'Text' editorType:#None selector:#text ). |
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clDc add:( DataSetColumnSpec label:'Field' editorType:#InputField selector:#field ). |
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clDc add:( DataSetColumnSpec label:'C-Box' editorType:#ComboBox selector:#cbox ). |
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clDc last choices:#choices. |
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clDc add:( DataSetColumnSpec label:'C-List' editorType:#ComboList selector:#clist ). |
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clDc last choices:#choices. |
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clDc add:( DataSetColumnSpec label:'Toggle' editorType:#CheckToggle selector:#toggle ). |
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scr has3Dseparators:true. |
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scr columnDescriptors:clDc. |
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scr multipleSelectOk:true. |
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scr list:rows. |
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top open. |
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[exEnd] |
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example 5: Images and Layout |
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[exBegin] |
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|top scr columns rows colDesc image text| |
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text := 'Text'. |
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rows := Array new:1000. |
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1 to:(rows size) do:[:i| |
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rows at:i put:(Array with:('Id: ', i printString) with:text with:text) |
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]. |
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columns := OrderedCollection new. |
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image := Image fromFile:('xpmBitmaps/misc_tools/box_full.xpm' ). |
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colDesc := DataSetColumnSpec label:(LabelAndIcon icon:image string:'Left') selector:#at:. |
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colDesc labelAlignment:#left. |
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colDesc columnAlignment:#left. |
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columns add:colDesc. |
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colDesc := DataSetColumnSpec label:(LabelAndIcon icon:image string:'Right') selector:#at:. |
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colDesc labelAlignment:#right. |
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colDesc columnAlignment:#right. |
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columns add:colDesc. |
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colDesc := DataSetColumnSpec label:(LabelAndIcon icon:image string:'Center') selector:#at:. |
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colDesc labelAlignment:#center. |
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colDesc columnAlignment:#center. |
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columns add:colDesc. |
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columns do:[:el|el labelActionSelector:#dummy]. |
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top := StandardSystemView new label:'Layout'; extent:500@500. |
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scr := DataSetView origin:(0.0 @ 0.0) corner:(1.0 @ 1.0) in:top. |
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scr has3Dseparators:true. |
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scr columnDescriptors:columns. |
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scr list:rows. |
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top open |
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[exEnd] |
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example 6: adding and removing |
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[exBegin] |
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|top scr list| |
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top := StandardSystemView new label:'Adding & Removing'; extent:600@440. |
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scr := DataSetView origin:(0.0 @ 0.0) corner:(1.0 @ 1.0) in:top. |
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scr columnDescriptors:( Array with:(DataSetColumnSpec label:'FOO' selector:#at:) |
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with:(DataSetColumnSpec label:'BAR' selector:#at:) |
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with:(DataSetColumnSpec label:'BAZ' selector:#at:) |
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). |
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scr has3Dseparators:true. |
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scr listHolder:(list := List new). |
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top openAndWait. |
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1 to:32 do:[:i| |pid| |
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pid := i printString. |
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list add:(Array with:('foo: ', pid) with:('bar: ', pid) with:('baz: ', pid)). |
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i even ifTrue:[ |
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list removeFirst |
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]. |
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Delay waitForSeconds:0.1. |
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]. |
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[exEnd] |
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" |
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! ! |
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!DataSetView methodsFor:'accessing'! |
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columnView |
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^ scrolledView |
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! |
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ignoreReselect:aBoolean |
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"controls if clicking on an already selected item should |
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be ignored or should perform the select action again. |
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By default, these are ignored" |
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self columnView ignoreReselect:aBoolean |
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! |
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labelView |
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^ labelView |
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! ! |
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!DataSetView methodsFor:'change & update'! |
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update:something with:aParameter from:changedObject |
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changedObject == labelView ifTrue:[ |
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((something == #columnLayout) |
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or:[something == #visibility]) ifTrue:[ |
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self recomputeLayouts. |
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^ self |
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]. |
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]. |
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super update:something with:aParameter from:changedObject |
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! ! |
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!DataSetView methodsFor:'initialization & release'! |
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initialize |
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"set column area |
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" |
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|columnView| |
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2090
af478f964ac0
avoid overhead in scrollbar creation.
Claus Gittinger <cg@exept.de>
parents:
1495
diff
changeset
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312 |
"/ preset flags to avoid creation and later destruction of scrollBars ... |
af478f964ac0
avoid overhead in scrollbar creation.
Claus Gittinger <cg@exept.de>
parents:
1495
diff
changeset
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self setVertical:true mini:false horizontal:true mini:true. |
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super initialize. |
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self setupVertical:true mini:false horizontal:true mini:true. |
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labelView := DSVLabelView in:self. |
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columnView := DSVColumnView new. |
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columnView labelView:labelView. |
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"/ columnView addDependent:self. |
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labelView addDependent:self. |
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self scrolledView:columnView. |
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! ! |
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!DataSetView methodsFor:'layout computation'! |
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recomputeLayouts |
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|columnView columnViewLayout newOffset| |
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columnView := self scrolledView. |
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columnView isNil ifTrue:[^ self]. |
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(columnViewLayout := columnView layout) isNil ifTrue:[^ self]. |
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labelView isVisible ifFalse:[ |
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newOffset := scrolledViewLayout topOffset. |
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] ifTrue:[ |
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newOffset := scrolledViewLayout topOffset + (columnView preferredLabelViewHeight). |
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]. |
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newOffset ~~ columnViewLayout topOffset ifTrue:[ |
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columnViewLayout topOffset:newOffset. |
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2721
5d00500ffc3e
do not ignore sizechange while being invisible
Claus Gittinger <cg@exept.de>
parents:
2720
diff
changeset
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345 |
"/ columnView realized ifTrue:[ |
2146 | 346 |
columnView containerChangedSize. |
2721
5d00500ffc3e
do not ignore sizechange while being invisible
Claus Gittinger <cg@exept.de>
parents:
2720
diff
changeset
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347 |
"/ ] |
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]. |
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labelView containerChangedSize. |
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! |
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scrolledViewLayout:aLayout |
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"invoked by superclasses setLayout method, whenever the scrolled views |
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layout changes (due to added/removed scrollbars)." |
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|modifiedLayout originalTopOffset labelViewLayout newLeft newRight| |
2146 | 357 |
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"/ always copy - since layout it destructively modified in #recomputeLayouts |
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modifiedLayout := aLayout copy. |
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2153 | 360 |
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originalTopOffset := scrolledViewLayout topOffset. |
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labelView isVisible ifTrue:[ |
363 |
modifiedLayout topOffset:(originalTopOffset + labelView height). |
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2153 | 364 |
]. |
2150 | 365 |
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2153 | 366 |
newLeft := aLayout leftOffset. |
367 |
newRight := aLayout rightOffset. |
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2151
50f8723054e7
selected row is highlighted over the full width;
Claus Gittinger <cg@exept.de>
parents:
2150
diff
changeset
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368 |
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2153 | 369 |
(scrolledView level == 0 |
370 |
and:[self level < 0 |
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and:[labelView level == 0]]) ifTrue:[ |
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newRight := (newRight + 1) min:0. |
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modifiedLayout rightOffset:newRight. |
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]. |
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2150 | 375 |
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2153 | 376 |
labelViewLayout := labelView layout. |
377 |
labelViewLayout topOffset:originalTopOffset. |
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labelViewLayout |
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leftOffset:newLeft |
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rightOffset:newRight. |
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381 |
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382 |
labelView isVisible ifTrue:[ |
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2150 | 383 |
labelView containerChangedSize. |
2146 | 384 |
]. |
385 |
super scrolledViewLayout:modifiedLayout |
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5326 | 386 |
! |
387 |
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388 |
verticalScrollBarLayout:aLayout |
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"redefined to care for the label view, |
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which is at the top and NOT scrolled. |
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It covers the top areay of myself, so we have to make the vertical |
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scrollbar a little smaller." |
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393 |
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labelView notNil ifTrue:[ |
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aLayout topOffset:(aLayout topOffset + labelView height). |
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]. |
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super verticalScrollBarLayout:aLayout |
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542 | 398 |
! ! |
399 |
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400 |
!DataSetView methodsFor:'queries'! |
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401 |
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4177 | 402 |
canTab |
403 |
^ labelView notNil and:[labelView enabled] |
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404 |
! |
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405 |
||
3677
bffaafb77e62
#preferredExtent - consider label view
Stefan Vogel <sv@exept.de>
parents:
3506
diff
changeset
|
406 |
preferredExtent |
bffaafb77e62
#preferredExtent - consider label view
Stefan Vogel <sv@exept.de>
parents:
3506
diff
changeset
|
407 |
"return my preferredExtent from the scrolledViews prefExtent |
bffaafb77e62
#preferredExtent - consider label view
Stefan Vogel <sv@exept.de>
parents:
3506
diff
changeset
|
408 |
plus the size of the scrollBar" |
bffaafb77e62
#preferredExtent - consider label view
Stefan Vogel <sv@exept.de>
parents:
3506
diff
changeset
|
409 |
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bffaafb77e62
#preferredExtent - consider label view
Stefan Vogel <sv@exept.de>
parents:
3506
diff
changeset
|
410 |
|preferred| |
bffaafb77e62
#preferredExtent - consider label view
Stefan Vogel <sv@exept.de>
parents:
3506
diff
changeset
|
411 |
|
3703 | 412 |
"/ If I have an explicit preferredExtent.. |
3677
bffaafb77e62
#preferredExtent - consider label view
Stefan Vogel <sv@exept.de>
parents:
3506
diff
changeset
|
413 |
explicitExtent notNil ifTrue:[ |
bffaafb77e62
#preferredExtent - consider label view
Stefan Vogel <sv@exept.de>
parents:
3506
diff
changeset
|
414 |
^ explicitExtent |
bffaafb77e62
#preferredExtent - consider label view
Stefan Vogel <sv@exept.de>
parents:
3506
diff
changeset
|
415 |
]. |
bffaafb77e62
#preferredExtent - consider label view
Stefan Vogel <sv@exept.de>
parents:
3506
diff
changeset
|
416 |
|
bffaafb77e62
#preferredExtent - consider label view
Stefan Vogel <sv@exept.de>
parents:
3506
diff
changeset
|
417 |
"/ If I have a cached preferredExtent value.. |
bffaafb77e62
#preferredExtent - consider label view
Stefan Vogel <sv@exept.de>
parents:
3506
diff
changeset
|
418 |
preferredExtent notNil ifTrue:[ |
bffaafb77e62
#preferredExtent - consider label view
Stefan Vogel <sv@exept.de>
parents:
3506
diff
changeset
|
419 |
^ preferredExtent |
bffaafb77e62
#preferredExtent - consider label view
Stefan Vogel <sv@exept.de>
parents:
3506
diff
changeset
|
420 |
]. |
bffaafb77e62
#preferredExtent - consider label view
Stefan Vogel <sv@exept.de>
parents:
3506
diff
changeset
|
421 |
|
bffaafb77e62
#preferredExtent - consider label view
Stefan Vogel <sv@exept.de>
parents:
3506
diff
changeset
|
422 |
preferred := super preferredExtent. |
bffaafb77e62
#preferredExtent - consider label view
Stefan Vogel <sv@exept.de>
parents:
3506
diff
changeset
|
423 |
^ (preferred x) @ (preferred y + labelView preferredHeight). |
bffaafb77e62
#preferredExtent - consider label view
Stefan Vogel <sv@exept.de>
parents:
3506
diff
changeset
|
424 |
|
bffaafb77e62
#preferredExtent - consider label view
Stefan Vogel <sv@exept.de>
parents:
3506
diff
changeset
|
425 |
"Created: 6.3.1997 / 18:06:24 / cg" |
bffaafb77e62
#preferredExtent - consider label view
Stefan Vogel <sv@exept.de>
parents:
3506
diff
changeset
|
426 |
"Modified: 6.3.1997 / 22:34:09 / cg" |
bffaafb77e62
#preferredExtent - consider label view
Stefan Vogel <sv@exept.de>
parents:
3506
diff
changeset
|
427 |
! |
bffaafb77e62
#preferredExtent - consider label view
Stefan Vogel <sv@exept.de>
parents:
3506
diff
changeset
|
428 |
|
542 | 429 |
specClass |
637 | 430 |
"returns my spec class |
431 |
" |
|
542 | 432 |
^ DataSetSpec |
433 |
! ! |
|
434 |
||
435 |
!DataSetView class methodsFor:'documentation'! |
|
436 |
||
437 |
version |
|
5326 | 438 |
^ '$Header$' |
542 | 439 |
! ! |
4177 | 440 |