author | Claus Gittinger <cg@exept.de> |
Tue, 28 Jul 1998 11:54:55 +0200 | |
changeset 1009 | b31628976be6 |
parent 1002 | a237e5fd2be9 |
child 1026 | 6b18a2f8833f |
permissions | -rw-r--r-- |
442 | 1 |
PluggableAdaptor subclass:#TypeConverter |
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instanceVariableNames:'' |
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classVariableNames:'' |
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poolDictionaries:'' |
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category:'Interface-Support-Models' |
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! |
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!TypeConverter class methodsFor:'documentation'! |
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documentation |
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" |
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a typeConverter can be used as an editFields model |
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(remember, that an editField expects a string in its model), |
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to convert the fields string value to some object and vice versa. |
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Its main use is when building interfaces with inputFields, |
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where the datum to be entered is a non-string and you |
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want to have the entered value be converted automatically. |
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(and vice versa, to convert the datum to a string). |
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No real new functionality is added here - all is inherited |
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from PluggableAdapter; however, some specialized instance creation |
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methods are added here. |
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Notice: |
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this class was implemented using protocol information |
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from alpha testers - it may not be complete or compatible to |
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the corresponding ST-80 class. |
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If you encounter any incompatibilities, please forward a note |
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describing the incompatibility verbal (i.e. no code) to the ST/X team. |
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[author:] |
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Claus Gittinger |
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" |
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! |
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examples |
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" |
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convert a number to a string: |
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[exBegin] |
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|v t i| |
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v := 1 asValue. |
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t := HorizontalPanelView new. |
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t extent:200@50. |
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t horizontalLayout:#fitSpace. |
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i := EditField in:t. |
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i model:(TypeConverter onNumberValue:v). |
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t open. |
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(Delay forSeconds:3) wait. |
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v value:2. |
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[exEnd] |
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convert a number to a string with range: |
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[exBegin] |
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|v t i| |
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v := 1 asValue. |
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t := HorizontalPanelView new. |
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t extent:200@50. |
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t horizontalLayout:#fitSpace. |
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i := EditField in:t. |
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i model:(TypeConverter onNumberValue:v minValue:0 maxValue:100). |
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t open. |
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(Delay forSeconds:3) wait. |
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v value:2. |
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[exEnd] |
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convert a date to a string: |
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[exBegin] |
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|d v| |
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v := nil asValue. |
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d := DialogBox new. |
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d addInputFieldOn:(TypeConverter onDateValue:v). |
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d addOkButton. |
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d open. |
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d accepted ifTrue:[ |
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Transcript showCR:v value |
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] |
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[exEnd] |
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" |
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! ! |
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!TypeConverter class methodsFor:'instance creation'! |
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onDateValue:aValueHolder |
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"create and return a typeConverter, which retrieves |
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a date via #value, and converts |
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a date-string to a date via #value:. |
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Useful as an editFields model, which operates on some |
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date value (or aspectAdaptor, which adapts to a numeric slot)" |
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^ (self on:aValueHolder) dateToText |
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"Modified: 21.2.1997 / 18:46:11 / cg" |
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"Created: 4.3.1997 / 12:30:49 / cg" |
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! |
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onNumberValue:aValueHolder |
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"create and return a typeConverter, which retrieves |
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a values string representation via #value, and converts |
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a number-string to a value via #value:. |
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Useful as an editFields model, which operates on some |
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numeric value (or aspectAdaptor, which adapts to a numeric slot)" |
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^ (self on:aValueHolder) numberToText |
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"Modified: 21.2.1997 / 18:46:11 / cg" |
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! |
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onNumberValue:aValueHolder format:formatString |
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"create and return a typeConverter, which retrieves |
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a values string representation via #value, and converts |
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a number-string to a value via #value:. |
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Useful as an editFields model, which operates on some |
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numeric value (or aspectAdaptor, which adapts to a numeric slot)" |
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^ (self on:aValueHolder) numberToTextFormattedBy:formatString |
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"Created: 4.3.1997 / 11:51:25 / cg" |
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"Modified: 4.3.1997 / 11:51:41 / cg" |
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! |
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parents:
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onNumberValue:aValueHolder minValue:min maxValue:max |
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"create and return a typeConverter, which retrieves |
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parents:
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a values string representation via #value, and converts |
ba196649eaec
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parents:
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a number-string to a value via #value:. |
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parents:
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Useful as an editFields model, which operates on some |
ba196649eaec
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parents:
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numeric value (or aspectAdaptor, which adapts to a numeric slot)" |
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^ (self on:aValueHolder) numberToTextMinValue:min maxValue:max |
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"Created: 4.3.1997 / 11:51:25 / cg" |
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"Modified: 4.3.1997 / 11:51:41 / cg" |
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! |
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onNumberValue:aValueHolder postDecimalDigits:numPostDecimalDigits |
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"create and return a typeConverter, which retrieves |
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a values string representation via #value, and converts |
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a number-string to a value via #value:. |
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Useful as an editFields model, which operates on some |
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numeric value (or aspectAdaptor, which adapts to a numeric slot)" |
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|
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^ (self on:aValueHolder) numberToText:numPostDecimalDigits |
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|
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"Modified: / 21.2.1997 / 18:46:11 / cg" |
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"Created: / 5.12.1997 / 02:55:18 / cg" |
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! |
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onSymbolValue:aValueHolder |
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"create and return a typeConverter, which retrieves |
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a symbol-values string representation via #value, and converts |
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a string to a symbol via #value:. |
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Useful as an editFields model, which operates on some |
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numeric value (or aspectAdaptor, which adapts to a numeric slot)" |
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^ (self on:aValueHolder) symbolOrNil |
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"Modified: 21.2.1997 / 18:46:11 / cg" |
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! |
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onTimeValue:aValueHolder |
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"create and return a typeConverter, which retrieves |
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a time via #value, and converts |
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a time-string to a time via #value:. |
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Useful as an editFields model, which operates on some |
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date value (or aspectAdaptor, which adapts to a numeric slot)" |
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^ (self on:aValueHolder) timeToText |
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"Modified: 21.2.1997 / 18:46:11 / cg" |
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"Created: 4.3.1997 / 11:52:10 / cg" |
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! ! |
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!TypeConverter methodsFor:'accessing'! |
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subject |
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"return the cobverted subject" |
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^ model |
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"Created: 21.2.1997 / 18:45:12 / cg" |
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! |
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value:newValue |
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"convert and change" |
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self setValue:newValue |
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"Created: 21.2.1997 / 18:45:39 / cg" |
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! ! |
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!TypeConverter methodsFor:'input testing'! |
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setNumberValue: value inModel: model fromInput: string |
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"for not valid number input characters the model is set to nil. |
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By this, the dependents are forced to update their contents." |
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|lastInputChar| |
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string notEmpty |
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ifTrue: |
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[ |
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1 to: string size - 1 do: [:i| (string at: i) isLetter ifTrue: [model setValue:nil]]. |
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lastInputChar := string at: string size. |
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(lastInputChar isDigit not and: [lastInputChar isPrintable and: [ |
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(string size > 1 or: [lastInputChar ~~ $-]) and: [ |
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(string occurrencesOf: $.) > 1 or: [lastInputChar ~~ $.]]]]) ifTrue: [model setValue:nil]. |
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]. |
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model value:value |
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! ! |
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!TypeConverter methodsFor:'standard converters'! |
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arrayLiteralOrSymbolOrNil |
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"setup the converter to convert from a string to either a literal |
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parents:
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Array or a symbol and vice versa. |
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Invalid strings (i.e. empty) are converted to nil; |
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nil values are converted to an empty string. |
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This is a very special converter (for the GUI builder) |
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- probably not belonging to here" |
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|
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self |
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getBlock:[:model | |
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|symbolValue| |
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|
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(symbolValue := model value) isNil ifTrue:[ |
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String new |
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] ifFalse:[ |
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symbolValue isArray ifTrue:[ |
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symbolValue storeString |
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] ifFalse:[ |
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'#' , symbolValue asString |
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] |
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]] |
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putBlock: |
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[:model :string | |
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|value s| |
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|
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string isEmpty ifTrue:[ |
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251 |
value := nil |
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252 |
] ifFalse:[ |
ea6d08251333
added #arrayLiteralOrSymbolOrNil
Claus Gittinger <cg@exept.de>
parents:
508
diff
changeset
|
253 |
s := string withoutSeparators. |
ea6d08251333
added #arrayLiteralOrSymbolOrNil
Claus Gittinger <cg@exept.de>
parents:
508
diff
changeset
|
254 |
(s startsWith:'#(') ifTrue:[ |
ea6d08251333
added #arrayLiteralOrSymbolOrNil
Claus Gittinger <cg@exept.de>
parents:
508
diff
changeset
|
255 |
value := Array readFrom:s onError:nil |
ea6d08251333
added #arrayLiteralOrSymbolOrNil
Claus Gittinger <cg@exept.de>
parents:
508
diff
changeset
|
256 |
] ifFalse:[ |
ea6d08251333
added #arrayLiteralOrSymbolOrNil
Claus Gittinger <cg@exept.de>
parents:
508
diff
changeset
|
257 |
(s startsWith:'#') ifTrue:[ |
ea6d08251333
added #arrayLiteralOrSymbolOrNil
Claus Gittinger <cg@exept.de>
parents:
508
diff
changeset
|
258 |
s := s copyFrom:2 |
ea6d08251333
added #arrayLiteralOrSymbolOrNil
Claus Gittinger <cg@exept.de>
parents:
508
diff
changeset
|
259 |
]. |
ea6d08251333
added #arrayLiteralOrSymbolOrNil
Claus Gittinger <cg@exept.de>
parents:
508
diff
changeset
|
260 |
value := s asSymbol |
ea6d08251333
added #arrayLiteralOrSymbolOrNil
Claus Gittinger <cg@exept.de>
parents:
508
diff
changeset
|
261 |
] |
ea6d08251333
added #arrayLiteralOrSymbolOrNil
Claus Gittinger <cg@exept.de>
parents:
508
diff
changeset
|
262 |
]. |
ea6d08251333
added #arrayLiteralOrSymbolOrNil
Claus Gittinger <cg@exept.de>
parents:
508
diff
changeset
|
263 |
model value:value] |
ea6d08251333
added #arrayLiteralOrSymbolOrNil
Claus Gittinger <cg@exept.de>
parents:
508
diff
changeset
|
264 |
|
ea6d08251333
added #arrayLiteralOrSymbolOrNil
Claus Gittinger <cg@exept.de>
parents:
508
diff
changeset
|
265 |
updateBlock: [:m :a :p | true] |
ea6d08251333
added #arrayLiteralOrSymbolOrNil
Claus Gittinger <cg@exept.de>
parents:
508
diff
changeset
|
266 |
|
ea6d08251333
added #arrayLiteralOrSymbolOrNil
Claus Gittinger <cg@exept.de>
parents:
508
diff
changeset
|
267 |
"Modified: / 26.10.1997 / 13:50:32 / cg" |
ea6d08251333
added #arrayLiteralOrSymbolOrNil
Claus Gittinger <cg@exept.de>
parents:
508
diff
changeset
|
268 |
"Created: / 26.10.1997 / 14:01:02 / cg" |
ea6d08251333
added #arrayLiteralOrSymbolOrNil
Claus Gittinger <cg@exept.de>
parents:
508
diff
changeset
|
269 |
! |
ea6d08251333
added #arrayLiteralOrSymbolOrNil
Claus Gittinger <cg@exept.de>
parents:
508
diff
changeset
|
270 |
|
487 | 271 |
dateOrNil |
272 |
"setup the converter to convert from a string to a date |
|
722
ea6d08251333
added #arrayLiteralOrSymbolOrNil
Claus Gittinger <cg@exept.de>
parents:
508
diff
changeset
|
273 |
and vice versa. Invalid dates are converted to nil; likewise, |
ea6d08251333
added #arrayLiteralOrSymbolOrNil
Claus Gittinger <cg@exept.de>
parents:
508
diff
changeset
|
274 |
a nil date is converted to an empty string." |
487 | 275 |
|
276 |
self |
|
277 |
getBlock:[:model | |
|
278 |
|date| |
|
279 |
||
280 |
(date := model value) isNil ifTrue:[ |
|
281 |
'' |
|
282 |
] ifFalse:[ |
|
283 |
date printString |
|
284 |
]] |
|
285 |
||
286 |
putBlock: |
|
287 |
[:model :string | |
|
288 |
||
289 |
|value| |
|
290 |
||
291 |
string isEmpty ifTrue:[ |
|
292 |
value := nil |
|
293 |
] ifFalse:[ |
|
294 |
value := Date readFrom:string onError:nil |
|
295 |
]. |
|
296 |
model value:value] |
|
297 |
||
298 |
updateBlock: [:m :a :p | true] |
|
299 |
||
722
ea6d08251333
added #arrayLiteralOrSymbolOrNil
Claus Gittinger <cg@exept.de>
parents:
508
diff
changeset
|
300 |
"Created: / 4.3.1997 / 11:56:36 / cg" |
ea6d08251333
added #arrayLiteralOrSymbolOrNil
Claus Gittinger <cg@exept.de>
parents:
508
diff
changeset
|
301 |
"Modified: / 26.10.1997 / 13:51:06 / cg" |
487 | 302 |
! |
303 |
||
486 | 304 |
dateToText |
305 |
"setup the converter to convert from a string to a date |
|
722
ea6d08251333
added #arrayLiteralOrSymbolOrNil
Claus Gittinger <cg@exept.de>
parents:
508
diff
changeset
|
306 |
and vice versa. Nil is converted to todays date-string, |
ea6d08251333
added #arrayLiteralOrSymbolOrNil
Claus Gittinger <cg@exept.de>
parents:
508
diff
changeset
|
307 |
likewise, an empty string is converted back to todays date." |
486 | 308 |
|
309 |
self |
|
310 |
getBlock:[:model | |
|
311 |
|date| |
|
312 |
||
313 |
(date := model value) isNil ifTrue:[ |
|
314 |
Date today printString |
|
315 |
] ifFalse:[ |
|
316 |
date printString |
|
317 |
]] |
|
318 |
||
319 |
putBlock: |
|
320 |
[:model :string | |
|
321 |
||
322 |
|value| |
|
323 |
||
324 |
string isEmpty ifTrue:[ |
|
325 |
value := Date today |
|
326 |
] ifFalse:[ |
|
327 |
value := Date readFrom:string onError:Date today |
|
328 |
]. |
|
329 |
model value:value] |
|
330 |
||
331 |
updateBlock: [:m :a :p | true] |
|
332 |
||
722
ea6d08251333
added #arrayLiteralOrSymbolOrNil
Claus Gittinger <cg@exept.de>
parents:
508
diff
changeset
|
333 |
"Created: / 4.3.1997 / 12:32:19 / cg" |
ea6d08251333
added #arrayLiteralOrSymbolOrNil
Claus Gittinger <cg@exept.de>
parents:
508
diff
changeset
|
334 |
"Modified: / 26.10.1997 / 13:52:00 / cg" |
486 | 335 |
! |
336 |
||
508 | 337 |
number |
338 |
"setup the converter to convert from a string to a number |
|
339 |
and vice versa. Invalid numbers are converted to nil." |
|
340 |
||
341 |
self numberToText |
|
342 |
||
343 |
"Created: 4.4.1997 / 12:46:14 / cg" |
|
344 |
! |
|
345 |
||
442 | 346 |
numberOrNil |
347 |
"setup the converter to convert from a string to a number |
|
348 |
and vice versa. Invalid numbers are converted to nil." |
|
349 |
||
350 |
self |
|
351 |
getBlock:[:model | |
|
352 |
|numericValue| |
|
353 |
||
354 |
(numericValue := model value) isNil ifTrue:[ |
|
355 |
String new |
|
356 |
] ifFalse:[ |
|
357 |
numericValue printString |
|
358 |
]] |
|
359 |
||
360 |
putBlock: |
|
361 |
[:model :string | |
|
362 |
||
363 |
|value| |
|
364 |
||
943 | 365 |
string notEmpty ifTrue:[ |
447 | 366 |
value := Number readFrom:string onError:nil |
1002 | 367 |
]. |
442 | 368 |
model value:value] |
369 |
||
370 |
updateBlock: [:m :a :p | true] |
|
371 |
||
372 |
"Created: 21.2.1997 / 18:58:38 / cg" |
|
373 |
! |
|
374 |
||
726 | 375 |
numberOrSymbolOrNil |
376 |
"setup the converter to convert from a string to either a numeric literal |
|
377 |
or a symbol and vice versa. |
|
378 |
Invalid strings (i.e. empty) are converted to nil; |
|
379 |
nil values are converted to an empty string. |
|
380 |
This is a very special converter (for the GUI builder) |
|
381 |
- probably not belonging to here" |
|
382 |
||
383 |
self |
|
384 |
getBlock:[:model | |
|
385 |
|litValue| |
|
386 |
||
387 |
(litValue := model value) isNil ifTrue:[ |
|
388 |
String new |
|
389 |
] ifFalse:[ |
|
390 |
litValue storeString |
|
391 |
]] |
|
392 |
||
393 |
putBlock: |
|
394 |
[:model :string | |
|
395 |
||
396 |
|value s| |
|
397 |
||
398 |
string isEmpty ifTrue:[ |
|
399 |
value := nil |
|
400 |
] ifFalse:[ |
|
401 |
value := Number readFrom:string onError:nil. |
|
402 |
value isNil ifTrue:[ |
|
403 |
s := string withoutSeparators. |
|
404 |
(s startsWith:'#') ifTrue:[ |
|
405 |
s := s copyFrom:2. |
|
406 |
(s startsWith:$') ifTrue:[ |
|
407 |
s := s copyFrom:2 to:(s size - 1) |
|
408 |
]. |
|
409 |
]. |
|
410 |
value := s asSymbol |
|
411 |
] |
|
412 |
]. |
|
413 |
model value:value] |
|
414 |
||
415 |
updateBlock: [:m :a :p | true] |
|
416 |
||
417 |
"Modified: / 26.10.1997 / 13:50:32 / cg" |
|
418 |
"Created: / 29.10.1997 / 15:49:26 / cg" |
|
419 |
! |
|
420 |
||
442 | 421 |
numberToText |
422 |
"setup the converter to convert from a string to a number |
|
487 | 423 |
and vice versa." |
442 | 424 |
|
425 |
self |
|
426 |
getBlock:[:model | |
|
427 |
|numericValue| |
|
428 |
||
726 | 429 |
(numericValue := model value) isNumber ifFalse:[ |
442 | 430 |
String new |
726 | 431 |
] ifTrue:[ |
442 | 432 |
numericValue printString |
433 |
]] |
|
434 |
||
435 |
putBlock: |
|
436 |
[:model :string | |
|
437 |
||
438 |
|value| |
|
439 |
||
440 |
string isEmpty ifTrue:[ |
|
441 |
value := 0 |
|
442 |
] ifFalse:[ |
|
1000
70e95e4dca22
use #readFromString:onError: for string->number convertations
tz
parents:
997
diff
changeset
|
443 |
value := Number readFromString: string onError:[0] |
442 | 444 |
]. |
445 |
model value:value] |
|
446 |
||
447 |
updateBlock: [:m :a :p | true] |
|
448 |
||
726 | 449 |
"Created: / 21.2.1997 / 18:57:05 / cg" |
450 |
"Modified: / 29.10.1997 / 15:49:21 / cg" |
|
442 | 451 |
! |
452 |
||
747
fe0360fb81ee
added typeConverter for decimals with n digits after point
Claus Gittinger <cg@exept.de>
parents:
726
diff
changeset
|
453 |
numberToText:numberOfPostDecimals |
fe0360fb81ee
added typeConverter for decimals with n digits after point
Claus Gittinger <cg@exept.de>
parents:
726
diff
changeset
|
454 |
"setup the converter to convert from a string to a number |
fe0360fb81ee
added typeConverter for decimals with n digits after point
Claus Gittinger <cg@exept.de>
parents:
726
diff
changeset
|
455 |
and vice versa." |
fe0360fb81ee
added typeConverter for decimals with n digits after point
Claus Gittinger <cg@exept.de>
parents:
726
diff
changeset
|
456 |
|
fe0360fb81ee
added typeConverter for decimals with n digits after point
Claus Gittinger <cg@exept.de>
parents:
726
diff
changeset
|
457 |
self |
fe0360fb81ee
added typeConverter for decimals with n digits after point
Claus Gittinger <cg@exept.de>
parents:
726
diff
changeset
|
458 |
getBlock:[:model | |
fe0360fb81ee
added typeConverter for decimals with n digits after point
Claus Gittinger <cg@exept.de>
parents:
726
diff
changeset
|
459 |
|numericValue| |
fe0360fb81ee
added typeConverter for decimals with n digits after point
Claus Gittinger <cg@exept.de>
parents:
726
diff
changeset
|
460 |
|
fe0360fb81ee
added typeConverter for decimals with n digits after point
Claus Gittinger <cg@exept.de>
parents:
726
diff
changeset
|
461 |
(numericValue := model value) isNumber ifFalse:[ |
fe0360fb81ee
added typeConverter for decimals with n digits after point
Claus Gittinger <cg@exept.de>
parents:
726
diff
changeset
|
462 |
String new |
fe0360fb81ee
added typeConverter for decimals with n digits after point
Claus Gittinger <cg@exept.de>
parents:
726
diff
changeset
|
463 |
] ifTrue:[ |
fe0360fb81ee
added typeConverter for decimals with n digits after point
Claus Gittinger <cg@exept.de>
parents:
726
diff
changeset
|
464 |
(numericValue asFixedPoint:numberOfPostDecimals) printString |
fe0360fb81ee
added typeConverter for decimals with n digits after point
Claus Gittinger <cg@exept.de>
parents:
726
diff
changeset
|
465 |
]] |
fe0360fb81ee
added typeConverter for decimals with n digits after point
Claus Gittinger <cg@exept.de>
parents:
726
diff
changeset
|
466 |
|
fe0360fb81ee
added typeConverter for decimals with n digits after point
Claus Gittinger <cg@exept.de>
parents:
726
diff
changeset
|
467 |
putBlock: |
fe0360fb81ee
added typeConverter for decimals with n digits after point
Claus Gittinger <cg@exept.de>
parents:
726
diff
changeset
|
468 |
[:model :string | |
fe0360fb81ee
added typeConverter for decimals with n digits after point
Claus Gittinger <cg@exept.de>
parents:
726
diff
changeset
|
469 |
|
fe0360fb81ee
added typeConverter for decimals with n digits after point
Claus Gittinger <cg@exept.de>
parents:
726
diff
changeset
|
470 |
|value| |
fe0360fb81ee
added typeConverter for decimals with n digits after point
Claus Gittinger <cg@exept.de>
parents:
726
diff
changeset
|
471 |
|
fe0360fb81ee
added typeConverter for decimals with n digits after point
Claus Gittinger <cg@exept.de>
parents:
726
diff
changeset
|
472 |
string isEmpty ifTrue:[ |
fe0360fb81ee
added typeConverter for decimals with n digits after point
Claus Gittinger <cg@exept.de>
parents:
726
diff
changeset
|
473 |
value := 0 |
1000
70e95e4dca22
use #readFromString:onError: for string->number convertations
tz
parents:
997
diff
changeset
|
474 |
] ifFalse:[ |
70e95e4dca22
use #readFromString:onError: for string->number convertations
tz
parents:
997
diff
changeset
|
475 |
value := Number readFromString:string onError:[0] |
747
fe0360fb81ee
added typeConverter for decimals with n digits after point
Claus Gittinger <cg@exept.de>
parents:
726
diff
changeset
|
476 |
]. |
1001 | 477 |
self setNumberValue: value inModel: model fromInput: string. |
478 |
] |
|
747
fe0360fb81ee
added typeConverter for decimals with n digits after point
Claus Gittinger <cg@exept.de>
parents:
726
diff
changeset
|
479 |
|
fe0360fb81ee
added typeConverter for decimals with n digits after point
Claus Gittinger <cg@exept.de>
parents:
726
diff
changeset
|
480 |
updateBlock: [:m :a :p | true] |
fe0360fb81ee
added typeConverter for decimals with n digits after point
Claus Gittinger <cg@exept.de>
parents:
726
diff
changeset
|
481 |
|
fe0360fb81ee
added typeConverter for decimals with n digits after point
Claus Gittinger <cg@exept.de>
parents:
726
diff
changeset
|
482 |
"Created: / 5.12.1997 / 02:54:13 / cg" |
fe0360fb81ee
added typeConverter for decimals with n digits after point
Claus Gittinger <cg@exept.de>
parents:
726
diff
changeset
|
483 |
"Modified: / 5.12.1997 / 18:21:04 / cg" |
fe0360fb81ee
added typeConverter for decimals with n digits after point
Claus Gittinger <cg@exept.de>
parents:
726
diff
changeset
|
484 |
! |
fe0360fb81ee
added typeConverter for decimals with n digits after point
Claus Gittinger <cg@exept.de>
parents:
726
diff
changeset
|
485 |
|
442 | 486 |
numberToTextFormattedBy:formatString |
487 |
"setup the converter to convert from a string to a number |
|
488 |
and vice versa, using formatString. |
|
489 |
The formatString is currently ignored when numbers are converted |
|
490 |
from a string." |
|
491 |
||
492 |
self |
|
493 |
getBlock:[:model | |
|
494 |
|numericValue| |
|
495 |
||
496 |
(numericValue := model value) isNil ifTrue:[ |
|
497 |
String new |
|
498 |
] ifFalse:[ |
|
499 |
PrintConverter print:numericValue formattedBy:formatString |
|
500 |
]] |
|
501 |
||
502 |
putBlock: |
|
503 |
[:model :string | |
|
504 |
||
505 |
|value| |
|
506 |
||
507 |
string isEmpty ifTrue:[ |
|
508 |
value := 0 |
|
1000
70e95e4dca22
use #readFromString:onError: for string->number convertations
tz
parents:
997
diff
changeset
|
509 |
] ifFalse:[ |
70e95e4dca22
use #readFromString:onError: for string->number convertations
tz
parents:
997
diff
changeset
|
510 |
value := Number readFromString: string onError:[0]. "asNumberFromFormatString:formatString" |
442 | 511 |
]. |
512 |
model value:value] |
|
513 |
||
514 |
updateBlock: [:m :a :p | true] |
|
515 |
||
516 |
"Modified: 21.2.1997 / 18:59:44 / cg" |
|
446 | 517 |
! |
518 |
||
941
ba196649eaec
added converter for number-in-range
Claus Gittinger <cg@exept.de>
parents:
747
diff
changeset
|
519 |
numberToTextMinValue:minVal maxValue:maxVal |
ba196649eaec
added converter for number-in-range
Claus Gittinger <cg@exept.de>
parents:
747
diff
changeset
|
520 |
"setup the converter to convert from a string to a number |
ba196649eaec
added converter for number-in-range
Claus Gittinger <cg@exept.de>
parents:
747
diff
changeset
|
521 |
and vice versa, but clamping the number into the range." |
ba196649eaec
added converter for number-in-range
Claus Gittinger <cg@exept.de>
parents:
747
diff
changeset
|
522 |
|
ba196649eaec
added converter for number-in-range
Claus Gittinger <cg@exept.de>
parents:
747
diff
changeset
|
523 |
self |
ba196649eaec
added converter for number-in-range
Claus Gittinger <cg@exept.de>
parents:
747
diff
changeset
|
524 |
getBlock:[:model | |
ba196649eaec
added converter for number-in-range
Claus Gittinger <cg@exept.de>
parents:
747
diff
changeset
|
525 |
|numericValue| |
ba196649eaec
added converter for number-in-range
Claus Gittinger <cg@exept.de>
parents:
747
diff
changeset
|
526 |
|
ba196649eaec
added converter for number-in-range
Claus Gittinger <cg@exept.de>
parents:
747
diff
changeset
|
527 |
(numericValue := model value) isNil ifTrue:[ |
ba196649eaec
added converter for number-in-range
Claus Gittinger <cg@exept.de>
parents:
747
diff
changeset
|
528 |
String new |
ba196649eaec
added converter for number-in-range
Claus Gittinger <cg@exept.de>
parents:
747
diff
changeset
|
529 |
] ifFalse:[ |
ba196649eaec
added converter for number-in-range
Claus Gittinger <cg@exept.de>
parents:
747
diff
changeset
|
530 |
numericValue printString |
ba196649eaec
added converter for number-in-range
Claus Gittinger <cg@exept.de>
parents:
747
diff
changeset
|
531 |
]] |
ba196649eaec
added converter for number-in-range
Claus Gittinger <cg@exept.de>
parents:
747
diff
changeset
|
532 |
|
ba196649eaec
added converter for number-in-range
Claus Gittinger <cg@exept.de>
parents:
747
diff
changeset
|
533 |
putBlock: |
ba196649eaec
added converter for number-in-range
Claus Gittinger <cg@exept.de>
parents:
747
diff
changeset
|
534 |
[:model :string | |
ba196649eaec
added converter for number-in-range
Claus Gittinger <cg@exept.de>
parents:
747
diff
changeset
|
535 |
|
1001 | 536 |
|value c| |
941
ba196649eaec
added converter for number-in-range
Claus Gittinger <cg@exept.de>
parents:
747
diff
changeset
|
537 |
|
ba196649eaec
added converter for number-in-range
Claus Gittinger <cg@exept.de>
parents:
747
diff
changeset
|
538 |
string isEmpty ifTrue:[ |
ba196649eaec
added converter for number-in-range
Claus Gittinger <cg@exept.de>
parents:
747
diff
changeset
|
539 |
value := 0 |
1001 | 540 |
] ifFalse:[ |
997 | 541 |
value := Number readFromString: string onError:[0]. |
1000
70e95e4dca22
use #readFromString:onError: for string->number convertations
tz
parents:
997
diff
changeset
|
542 |
]. |
942
54949af3f3c1
number-in-range may have nil-bounds
Claus Gittinger <cg@exept.de>
parents:
941
diff
changeset
|
543 |
minVal notNil ifTrue:[ |
1001 | 544 |
(value < minVal and: [string notEmpty]) ifTrue: [model setValue:nil]. |
942
54949af3f3c1
number-in-range may have nil-bounds
Claus Gittinger <cg@exept.de>
parents:
941
diff
changeset
|
545 |
value := value max:minVal. |
54949af3f3c1
number-in-range may have nil-bounds
Claus Gittinger <cg@exept.de>
parents:
941
diff
changeset
|
546 |
]. |
54949af3f3c1
number-in-range may have nil-bounds
Claus Gittinger <cg@exept.de>
parents:
941
diff
changeset
|
547 |
maxVal notNil ifTrue:[ |
1001 | 548 |
(value > maxVal and: [string notEmpty]) ifTrue: [model setValue:nil]. |
944 | 549 |
value := value min:maxVal. |
1001 | 550 |
]. |
551 |
self setNumberValue: value inModel: model fromInput: string. |
|
552 |
] |
|
941
ba196649eaec
added converter for number-in-range
Claus Gittinger <cg@exept.de>
parents:
747
diff
changeset
|
553 |
|
ba196649eaec
added converter for number-in-range
Claus Gittinger <cg@exept.de>
parents:
747
diff
changeset
|
554 |
updateBlock: [:m :a :p | true] |
ba196649eaec
added converter for number-in-range
Claus Gittinger <cg@exept.de>
parents:
747
diff
changeset
|
555 |
|
ba196649eaec
added converter for number-in-range
Claus Gittinger <cg@exept.de>
parents:
747
diff
changeset
|
556 |
"Modified: 21.2.1997 / 18:59:44 / cg" |
ba196649eaec
added converter for number-in-range
Claus Gittinger <cg@exept.de>
parents:
747
diff
changeset
|
557 |
! |
ba196649eaec
added converter for number-in-range
Claus Gittinger <cg@exept.de>
parents:
747
diff
changeset
|
558 |
|
726 | 559 |
smalltalkObject |
560 |
"setup the converter to convert from a string to any smalltalk object |
|
561 |
and vice versa. The string used is the objects storeString. |
|
562 |
Invalid strings (i.e. empty) are converted to nil. |
|
563 |
This is a very special converter (for the GUI builder) |
|
564 |
- probably not belonging to here" |
|
565 |
||
566 |
self |
|
567 |
getBlock:[:model | |
|
568 |
model value storeString , ' "' , model value class name , '" ' |
|
569 |
] |
|
570 |
||
571 |
putBlock: |
|
572 |
[:model :string | |
|
573 |
||
574 |
|value| |
|
575 |
||
576 |
value := Object readFrom:string onError:nil. |
|
577 |
model value:value |
|
578 |
] |
|
579 |
||
580 |
updateBlock: [:m :a :p | true] |
|
581 |
||
582 |
"Modified: / 26.10.1997 / 13:50:32 / cg" |
|
583 |
"Created: / 29.10.1997 / 15:50:16 / cg" |
|
584 |
! |
|
585 |
||
446 | 586 |
symbolOrNil |
587 |
"setup the converter to convert from a string to a symbol |
|
722
ea6d08251333
added #arrayLiteralOrSymbolOrNil
Claus Gittinger <cg@exept.de>
parents:
508
diff
changeset
|
588 |
and vice versa. Invalid symbols (i.e. empty) are converted to nil; |
ea6d08251333
added #arrayLiteralOrSymbolOrNil
Claus Gittinger <cg@exept.de>
parents:
508
diff
changeset
|
589 |
nil values are converted to an empty string." |
446 | 590 |
|
591 |
self |
|
592 |
getBlock:[:model | |
|
593 |
|symbolValue| |
|
594 |
||
726 | 595 |
(symbolValue := model value) isSymbol ifFalse:[ |
446 | 596 |
String new |
726 | 597 |
] ifTrue:[ |
946 | 598 |
symbolValue printString. "/ storeString |
446 | 599 |
]] |
600 |
||
601 |
putBlock: |
|
602 |
[:model :string | |
|
603 |
||
604 |
|value s| |
|
605 |
||
606 |
string isEmpty ifTrue:[ |
|
607 |
value := nil |
|
608 |
] ifFalse:[ |
|
609 |
s := string withoutSeparators. |
|
610 |
(s startsWith:'#') ifTrue:[ |
|
726 | 611 |
s := s copyFrom:2. |
612 |
(s startsWith:$') ifTrue:[ |
|
613 |
s := s copyFrom:2 to:(s size - 1) |
|
614 |
] |
|
446 | 615 |
]. |
616 |
value := s asSymbol |
|
617 |
]. |
|
618 |
model value:value] |
|
619 |
||
620 |
updateBlock: [:m :a :p | true] |
|
621 |
||
722
ea6d08251333
added #arrayLiteralOrSymbolOrNil
Claus Gittinger <cg@exept.de>
parents:
508
diff
changeset
|
622 |
"Created: / 21.2.1997 / 18:58:38 / cg" |
946 | 623 |
"Modified: / 26.5.1998 / 15:06:06 / cg" |
487 | 624 |
! |
625 |
||
626 |
timeOrNil |
|
627 |
"setup the converter to convert from a string to a time |
|
628 |
and vice versa." |
|
629 |
||
630 |
self |
|
631 |
getBlock:[:model | |
|
632 |
|time| |
|
633 |
||
634 |
(time := model value) isNil ifTrue:[ |
|
635 |
'' |
|
636 |
] ifFalse:[ |
|
637 |
time printString |
|
638 |
]] |
|
639 |
||
640 |
putBlock: |
|
641 |
[:model :string | |
|
642 |
||
643 |
|value| |
|
644 |
||
645 |
string isEmpty ifTrue:[ |
|
646 |
value := nil |
|
647 |
] ifFalse:[ |
|
648 |
value := Time readFrom:string onError:nil |
|
649 |
]. |
|
650 |
model value:value] |
|
651 |
||
652 |
updateBlock: [:m :a :p | true] |
|
653 |
||
654 |
"Created: 4.3.1997 / 11:52:47 / cg" |
|
655 |
"Modified: 4.3.1997 / 12:05:48 / cg" |
|
656 |
! |
|
657 |
||
658 |
timeToText |
|
659 |
"setup the converter to convert from a string to a time |
|
660 |
and vice versa." |
|
661 |
||
662 |
self |
|
663 |
getBlock:[:model | |
|
664 |
|time| |
|
665 |
||
666 |
(time := model value) isNil ifTrue:[ |
|
667 |
Time now printString |
|
668 |
] ifFalse:[ |
|
669 |
time printString |
|
670 |
]] |
|
671 |
||
672 |
putBlock: |
|
673 |
[:model :string | |
|
674 |
||
675 |
|value| |
|
676 |
||
677 |
string isEmpty ifTrue:[ |
|
678 |
value := Time now |
|
679 |
] ifFalse:[ |
|
680 |
value := Time readFrom:string onError:Time now |
|
681 |
]. |
|
682 |
model value:value] |
|
683 |
||
684 |
updateBlock: [:m :a :p | true] |
|
685 |
||
686 |
"Modified: 21.2.1997 / 18:59:06 / cg" |
|
687 |
"Created: 4.3.1997 / 11:52:47 / cg" |
|
442 | 688 |
! ! |
689 |
||
690 |
!TypeConverter class methodsFor:'documentation'! |
|
691 |
||
692 |
version |
|
1002 | 693 |
^ '$Header: /cvs/stx/stx/libview2/Attic/TypeConv.st,v 1.19 1998-07-19 18:55:35 tz Exp $' |
442 | 694 |
! ! |