author | Claus Gittinger <cg@exept.de> |
Tue, 04 Aug 1998 17:38:22 +0200 | |
changeset 1029 | c77fe01f61a4 |
parent 1027 | eb4d24dd7e43 |
child 1047 | 42201709a0bc |
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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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 |
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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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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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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 |
|
1026 | 271 |
dateDDMMYYYYFormatToText |
272 |
"setup the converter to convert from a string to a date formatted by printFormat |
|
273 |
DD:MM:YYYY; see also Date>>printFormat:" |
|
274 |
||
275 |
self dateToTextFormattedBy: #(1 2 3 $: 1 1 true) |
|
276 |
! |
|
277 |
||
278 |
dateMMDDYYYYFormatToText |
|
279 |
"setup the converter to convert from a string to a date formatted by printFormat |
|
280 |
MM:DD:YYYY; see also Date>>printFormat:" |
|
281 |
||
282 |
self dateToTextFormattedBy: #(2 1 3 $: 1 1 true) |
|
283 |
! |
|
284 |
||
487 | 285 |
dateOrNil |
286 |
"setup the converter to convert from a string to a date |
|
722
ea6d08251333
added #arrayLiteralOrSymbolOrNil
Claus Gittinger <cg@exept.de>
parents:
508
diff
changeset
|
287 |
and vice versa. Invalid dates are converted to nil; likewise, |
ea6d08251333
added #arrayLiteralOrSymbolOrNil
Claus Gittinger <cg@exept.de>
parents:
508
diff
changeset
|
288 |
a nil date is converted to an empty string." |
487 | 289 |
|
290 |
self |
|
291 |
getBlock:[:model | |
|
292 |
|date| |
|
293 |
||
294 |
(date := model value) isNil ifTrue:[ |
|
295 |
'' |
|
296 |
] ifFalse:[ |
|
297 |
date printString |
|
298 |
]] |
|
299 |
||
300 |
putBlock: |
|
301 |
[:model :string | |
|
302 |
||
303 |
|value| |
|
304 |
||
305 |
string isEmpty ifTrue:[ |
|
306 |
value := nil |
|
307 |
] ifFalse:[ |
|
308 |
value := Date readFrom:string onError:nil |
|
309 |
]. |
|
310 |
model value:value] |
|
311 |
||
312 |
updateBlock: [:m :a :p | true] |
|
313 |
||
722
ea6d08251333
added #arrayLiteralOrSymbolOrNil
Claus Gittinger <cg@exept.de>
parents:
508
diff
changeset
|
314 |
"Created: / 4.3.1997 / 11:56:36 / cg" |
ea6d08251333
added #arrayLiteralOrSymbolOrNil
Claus Gittinger <cg@exept.de>
parents:
508
diff
changeset
|
315 |
"Modified: / 26.10.1997 / 13:51:06 / cg" |
487 | 316 |
! |
317 |
||
486 | 318 |
dateToText |
319 |
"setup the converter to convert from a string to a date |
|
722
ea6d08251333
added #arrayLiteralOrSymbolOrNil
Claus Gittinger <cg@exept.de>
parents:
508
diff
changeset
|
320 |
and vice versa. Nil is converted to todays date-string, |
ea6d08251333
added #arrayLiteralOrSymbolOrNil
Claus Gittinger <cg@exept.de>
parents:
508
diff
changeset
|
321 |
likewise, an empty string is converted back to todays date." |
486 | 322 |
|
323 |
self |
|
324 |
getBlock:[:model | |
|
325 |
|date| |
|
326 |
||
327 |
(date := model value) isNil ifTrue:[ |
|
328 |
Date today printString |
|
329 |
] ifFalse:[ |
|
330 |
date printString |
|
331 |
]] |
|
332 |
||
333 |
putBlock: |
|
334 |
[:model :string | |
|
335 |
||
336 |
|value| |
|
337 |
||
338 |
string isEmpty ifTrue:[ |
|
339 |
value := Date today |
|
340 |
] ifFalse:[ |
|
341 |
value := Date readFrom:string onError:Date today |
|
342 |
]. |
|
343 |
model value:value] |
|
344 |
||
345 |
updateBlock: [:m :a :p | true] |
|
346 |
||
722
ea6d08251333
added #arrayLiteralOrSymbolOrNil
Claus Gittinger <cg@exept.de>
parents:
508
diff
changeset
|
347 |
"Created: / 4.3.1997 / 12:32:19 / cg" |
ea6d08251333
added #arrayLiteralOrSymbolOrNil
Claus Gittinger <cg@exept.de>
parents:
508
diff
changeset
|
348 |
"Modified: / 26.10.1997 / 13:52:00 / cg" |
486 | 349 |
! |
350 |
||
1026 | 351 |
dateToTextFormattedBy: printFormat |
352 |
"setup the converter to convert from a string to a date formatted by printFormat |
|
353 |
and vice versa. Nil is converted to todays date-string, |
|
354 |
likewise, an empty string is converted back to todays date." |
|
355 |
||
356 |
self |
|
357 |
getBlock:[:model | |
|
358 |
|date| |
|
359 |
||
360 |
(date := model value) isNil ifTrue:[ |
|
361 |
Date today printFormat:printFormat |
|
362 |
] ifFalse:[ |
|
363 |
date printFormat:printFormat |
|
364 |
]] |
|
365 |
||
366 |
putBlock: |
|
367 |
[:model :string | |
|
368 |
||
369 |
|value| |
|
370 |
||
371 |
string isEmpty ifTrue:[ |
|
372 |
value := Date today |
|
373 |
] ifFalse:[ |
|
374 |
value := Date readFrom:string onError:[Date today] |
|
375 |
]. |
|
376 |
model value:value] |
|
377 |
||
378 |
updateBlock: [:m :a :p | true] |
|
379 |
! |
|
380 |
||
508 | 381 |
number |
382 |
"setup the converter to convert from a string to a number |
|
383 |
and vice versa. Invalid numbers are converted to nil." |
|
384 |
||
385 |
self numberToText |
|
386 |
||
387 |
"Created: 4.4.1997 / 12:46:14 / cg" |
|
388 |
! |
|
389 |
||
442 | 390 |
numberOrNil |
391 |
"setup the converter to convert from a string to a number |
|
392 |
and vice versa. Invalid numbers are converted to nil." |
|
393 |
||
394 |
self |
|
395 |
getBlock:[:model | |
|
396 |
|numericValue| |
|
397 |
||
398 |
(numericValue := model value) isNil ifTrue:[ |
|
399 |
String new |
|
400 |
] ifFalse:[ |
|
401 |
numericValue printString |
|
402 |
]] |
|
403 |
||
404 |
putBlock: |
|
405 |
[:model :string | |
|
406 |
||
407 |
|value| |
|
408 |
||
943 | 409 |
string notEmpty ifTrue:[ |
447 | 410 |
value := Number readFrom:string onError:nil |
1002 | 411 |
]. |
442 | 412 |
model value:value] |
413 |
||
414 |
updateBlock: [:m :a :p | true] |
|
415 |
||
416 |
"Created: 21.2.1997 / 18:58:38 / cg" |
|
417 |
! |
|
418 |
||
726 | 419 |
numberOrSymbolOrNil |
420 |
"setup the converter to convert from a string to either a numeric literal |
|
421 |
or a symbol and vice versa. |
|
422 |
Invalid strings (i.e. empty) are converted to nil; |
|
423 |
nil values are converted to an empty string. |
|
424 |
This is a very special converter (for the GUI builder) |
|
425 |
- probably not belonging to here" |
|
426 |
||
427 |
self |
|
428 |
getBlock:[:model | |
|
429 |
|litValue| |
|
430 |
||
431 |
(litValue := model value) isNil ifTrue:[ |
|
432 |
String new |
|
433 |
] ifFalse:[ |
|
434 |
litValue storeString |
|
435 |
]] |
|
436 |
||
437 |
putBlock: |
|
438 |
[:model :string | |
|
439 |
||
440 |
|value s| |
|
441 |
||
442 |
string isEmpty ifTrue:[ |
|
443 |
value := nil |
|
444 |
] ifFalse:[ |
|
445 |
value := Number readFrom:string onError:nil. |
|
446 |
value isNil ifTrue:[ |
|
447 |
s := string withoutSeparators. |
|
448 |
(s startsWith:'#') ifTrue:[ |
|
449 |
s := s copyFrom:2. |
|
450 |
(s startsWith:$') ifTrue:[ |
|
451 |
s := s copyFrom:2 to:(s size - 1) |
|
452 |
]. |
|
453 |
]. |
|
454 |
value := s asSymbol |
|
455 |
] |
|
456 |
]. |
|
457 |
model value:value] |
|
458 |
||
459 |
updateBlock: [:m :a :p | true] |
|
460 |
||
461 |
"Modified: / 26.10.1997 / 13:50:32 / cg" |
|
462 |
"Created: / 29.10.1997 / 15:49:26 / cg" |
|
463 |
! |
|
464 |
||
442 | 465 |
numberToText |
466 |
"setup the converter to convert from a string to a number |
|
487 | 467 |
and vice versa." |
442 | 468 |
|
469 |
self |
|
470 |
getBlock:[:model | |
|
471 |
|numericValue| |
|
472 |
||
726 | 473 |
(numericValue := model value) isNumber ifFalse:[ |
442 | 474 |
String new |
726 | 475 |
] ifTrue:[ |
442 | 476 |
numericValue printString |
477 |
]] |
|
478 |
||
479 |
putBlock: |
|
480 |
[:model :string | |
|
481 |
||
482 |
|value| |
|
483 |
||
484 |
string isEmpty ifTrue:[ |
|
485 |
value := 0 |
|
486 |
] ifFalse:[ |
|
1000
70e95e4dca22
use #readFromString:onError: for string->number convertations
tz
parents:
997
diff
changeset
|
487 |
value := Number readFromString: string onError:[0] |
442 | 488 |
]. |
489 |
model value:value] |
|
490 |
||
491 |
updateBlock: [:m :a :p | true] |
|
492 |
||
726 | 493 |
"Created: / 21.2.1997 / 18:57:05 / cg" |
494 |
"Modified: / 29.10.1997 / 15:49:21 / cg" |
|
442 | 495 |
! |
496 |
||
747
fe0360fb81ee
added typeConverter for decimals with n digits after point
Claus Gittinger <cg@exept.de>
parents:
726
diff
changeset
|
497 |
numberToText:numberOfPostDecimals |
fe0360fb81ee
added typeConverter for decimals with n digits after point
Claus Gittinger <cg@exept.de>
parents:
726
diff
changeset
|
498 |
"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
|
499 |
and vice versa." |
fe0360fb81ee
added typeConverter for decimals with n digits after point
Claus Gittinger <cg@exept.de>
parents:
726
diff
changeset
|
500 |
|
fe0360fb81ee
added typeConverter for decimals with n digits after point
Claus Gittinger <cg@exept.de>
parents:
726
diff
changeset
|
501 |
self |
fe0360fb81ee
added typeConverter for decimals with n digits after point
Claus Gittinger <cg@exept.de>
parents:
726
diff
changeset
|
502 |
getBlock:[:model | |
fe0360fb81ee
added typeConverter for decimals with n digits after point
Claus Gittinger <cg@exept.de>
parents:
726
diff
changeset
|
503 |
|numericValue| |
fe0360fb81ee
added typeConverter for decimals with n digits after point
Claus Gittinger <cg@exept.de>
parents:
726
diff
changeset
|
504 |
|
fe0360fb81ee
added typeConverter for decimals with n digits after point
Claus Gittinger <cg@exept.de>
parents:
726
diff
changeset
|
505 |
(numericValue := model value) isNumber ifFalse:[ |
fe0360fb81ee
added typeConverter for decimals with n digits after point
Claus Gittinger <cg@exept.de>
parents:
726
diff
changeset
|
506 |
String new |
fe0360fb81ee
added typeConverter for decimals with n digits after point
Claus Gittinger <cg@exept.de>
parents:
726
diff
changeset
|
507 |
] ifTrue:[ |
fe0360fb81ee
added typeConverter for decimals with n digits after point
Claus Gittinger <cg@exept.de>
parents:
726
diff
changeset
|
508 |
(numericValue asFixedPoint:numberOfPostDecimals) printString |
fe0360fb81ee
added typeConverter for decimals with n digits after point
Claus Gittinger <cg@exept.de>
parents:
726
diff
changeset
|
509 |
]] |
fe0360fb81ee
added typeConverter for decimals with n digits after point
Claus Gittinger <cg@exept.de>
parents:
726
diff
changeset
|
510 |
|
fe0360fb81ee
added typeConverter for decimals with n digits after point
Claus Gittinger <cg@exept.de>
parents:
726
diff
changeset
|
511 |
putBlock: |
fe0360fb81ee
added typeConverter for decimals with n digits after point
Claus Gittinger <cg@exept.de>
parents:
726
diff
changeset
|
512 |
[:model :string | |
fe0360fb81ee
added typeConverter for decimals with n digits after point
Claus Gittinger <cg@exept.de>
parents:
726
diff
changeset
|
513 |
|
fe0360fb81ee
added typeConverter for decimals with n digits after point
Claus Gittinger <cg@exept.de>
parents:
726
diff
changeset
|
514 |
|value| |
fe0360fb81ee
added typeConverter for decimals with n digits after point
Claus Gittinger <cg@exept.de>
parents:
726
diff
changeset
|
515 |
|
fe0360fb81ee
added typeConverter for decimals with n digits after point
Claus Gittinger <cg@exept.de>
parents:
726
diff
changeset
|
516 |
string isEmpty ifTrue:[ |
fe0360fb81ee
added typeConverter for decimals with n digits after point
Claus Gittinger <cg@exept.de>
parents:
726
diff
changeset
|
517 |
value := 0 |
1000
70e95e4dca22
use #readFromString:onError: for string->number convertations
tz
parents:
997
diff
changeset
|
518 |
] ifFalse:[ |
70e95e4dca22
use #readFromString:onError: for string->number convertations
tz
parents:
997
diff
changeset
|
519 |
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
|
520 |
]. |
1001 | 521 |
self setNumberValue: value inModel: model fromInput: string. |
522 |
] |
|
747
fe0360fb81ee
added typeConverter for decimals with n digits after point
Claus Gittinger <cg@exept.de>
parents:
726
diff
changeset
|
523 |
|
fe0360fb81ee
added typeConverter for decimals with n digits after point
Claus Gittinger <cg@exept.de>
parents:
726
diff
changeset
|
524 |
updateBlock: [:m :a :p | true] |
fe0360fb81ee
added typeConverter for decimals with n digits after point
Claus Gittinger <cg@exept.de>
parents:
726
diff
changeset
|
525 |
|
fe0360fb81ee
added typeConverter for decimals with n digits after point
Claus Gittinger <cg@exept.de>
parents:
726
diff
changeset
|
526 |
"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
|
527 |
"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
|
528 |
! |
fe0360fb81ee
added typeConverter for decimals with n digits after point
Claus Gittinger <cg@exept.de>
parents:
726
diff
changeset
|
529 |
|
442 | 530 |
numberToTextFormattedBy:formatString |
531 |
"setup the converter to convert from a string to a number |
|
532 |
and vice versa, using formatString. |
|
533 |
The formatString is currently ignored when numbers are converted |
|
534 |
from a string." |
|
535 |
||
536 |
self |
|
537 |
getBlock:[:model | |
|
538 |
|numericValue| |
|
539 |
||
540 |
(numericValue := model value) isNil ifTrue:[ |
|
541 |
String new |
|
542 |
] ifFalse:[ |
|
543 |
PrintConverter print:numericValue formattedBy:formatString |
|
544 |
]] |
|
545 |
||
546 |
putBlock: |
|
547 |
[:model :string | |
|
548 |
||
549 |
|value| |
|
550 |
||
551 |
string isEmpty ifTrue:[ |
|
552 |
value := 0 |
|
1000
70e95e4dca22
use #readFromString:onError: for string->number convertations
tz
parents:
997
diff
changeset
|
553 |
] ifFalse:[ |
70e95e4dca22
use #readFromString:onError: for string->number convertations
tz
parents:
997
diff
changeset
|
554 |
value := Number readFromString: string onError:[0]. "asNumberFromFormatString:formatString" |
442 | 555 |
]. |
556 |
model value:value] |
|
557 |
||
558 |
updateBlock: [:m :a :p | true] |
|
559 |
||
560 |
"Modified: 21.2.1997 / 18:59:44 / cg" |
|
446 | 561 |
! |
562 |
||
941
ba196649eaec
added converter for number-in-range
Claus Gittinger <cg@exept.de>
parents:
747
diff
changeset
|
563 |
numberToTextMinValue:minVal maxValue:maxVal |
ba196649eaec
added converter for number-in-range
Claus Gittinger <cg@exept.de>
parents:
747
diff
changeset
|
564 |
"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
|
565 |
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
|
566 |
|
ba196649eaec
added converter for number-in-range
Claus Gittinger <cg@exept.de>
parents:
747
diff
changeset
|
567 |
self |
ba196649eaec
added converter for number-in-range
Claus Gittinger <cg@exept.de>
parents:
747
diff
changeset
|
568 |
getBlock:[:model | |
ba196649eaec
added converter for number-in-range
Claus Gittinger <cg@exept.de>
parents:
747
diff
changeset
|
569 |
|numericValue| |
ba196649eaec
added converter for number-in-range
Claus Gittinger <cg@exept.de>
parents:
747
diff
changeset
|
570 |
|
ba196649eaec
added converter for number-in-range
Claus Gittinger <cg@exept.de>
parents:
747
diff
changeset
|
571 |
(numericValue := model value) isNil ifTrue:[ |
ba196649eaec
added converter for number-in-range
Claus Gittinger <cg@exept.de>
parents:
747
diff
changeset
|
572 |
String new |
ba196649eaec
added converter for number-in-range
Claus Gittinger <cg@exept.de>
parents:
747
diff
changeset
|
573 |
] ifFalse:[ |
ba196649eaec
added converter for number-in-range
Claus Gittinger <cg@exept.de>
parents:
747
diff
changeset
|
574 |
numericValue printString |
ba196649eaec
added converter for number-in-range
Claus Gittinger <cg@exept.de>
parents:
747
diff
changeset
|
575 |
]] |
ba196649eaec
added converter for number-in-range
Claus Gittinger <cg@exept.de>
parents:
747
diff
changeset
|
576 |
|
ba196649eaec
added converter for number-in-range
Claus Gittinger <cg@exept.de>
parents:
747
diff
changeset
|
577 |
putBlock: |
ba196649eaec
added converter for number-in-range
Claus Gittinger <cg@exept.de>
parents:
747
diff
changeset
|
578 |
[:model :string | |
ba196649eaec
added converter for number-in-range
Claus Gittinger <cg@exept.de>
parents:
747
diff
changeset
|
579 |
|
1001 | 580 |
|value c| |
941
ba196649eaec
added converter for number-in-range
Claus Gittinger <cg@exept.de>
parents:
747
diff
changeset
|
581 |
|
ba196649eaec
added converter for number-in-range
Claus Gittinger <cg@exept.de>
parents:
747
diff
changeset
|
582 |
string isEmpty ifTrue:[ |
ba196649eaec
added converter for number-in-range
Claus Gittinger <cg@exept.de>
parents:
747
diff
changeset
|
583 |
value := 0 |
1001 | 584 |
] ifFalse:[ |
997 | 585 |
value := Number readFromString: string onError:[0]. |
1000
70e95e4dca22
use #readFromString:onError: for string->number convertations
tz
parents:
997
diff
changeset
|
586 |
]. |
942
54949af3f3c1
number-in-range may have nil-bounds
Claus Gittinger <cg@exept.de>
parents:
941
diff
changeset
|
587 |
minVal notNil ifTrue:[ |
1001 | 588 |
(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
|
589 |
value := value max:minVal. |
54949af3f3c1
number-in-range may have nil-bounds
Claus Gittinger <cg@exept.de>
parents:
941
diff
changeset
|
590 |
]. |
54949af3f3c1
number-in-range may have nil-bounds
Claus Gittinger <cg@exept.de>
parents:
941
diff
changeset
|
591 |
maxVal notNil ifTrue:[ |
1001 | 592 |
(value > maxVal and: [string notEmpty]) ifTrue: [model setValue:nil]. |
944 | 593 |
value := value min:maxVal. |
1001 | 594 |
]. |
595 |
self setNumberValue: value inModel: model fromInput: string. |
|
596 |
] |
|
941
ba196649eaec
added converter for number-in-range
Claus Gittinger <cg@exept.de>
parents:
747
diff
changeset
|
597 |
|
ba196649eaec
added converter for number-in-range
Claus Gittinger <cg@exept.de>
parents:
747
diff
changeset
|
598 |
updateBlock: [:m :a :p | true] |
ba196649eaec
added converter for number-in-range
Claus Gittinger <cg@exept.de>
parents:
747
diff
changeset
|
599 |
|
ba196649eaec
added converter for number-in-range
Claus Gittinger <cg@exept.de>
parents:
747
diff
changeset
|
600 |
"Modified: 21.2.1997 / 18:59:44 / cg" |
ba196649eaec
added converter for number-in-range
Claus Gittinger <cg@exept.de>
parents:
747
diff
changeset
|
601 |
! |
ba196649eaec
added converter for number-in-range
Claus Gittinger <cg@exept.de>
parents:
747
diff
changeset
|
602 |
|
726 | 603 |
smalltalkObject |
604 |
"setup the converter to convert from a string to any smalltalk object |
|
605 |
and vice versa. The string used is the objects storeString. |
|
606 |
Invalid strings (i.e. empty) are converted to nil. |
|
607 |
This is a very special converter (for the GUI builder) |
|
608 |
- probably not belonging to here" |
|
609 |
||
610 |
self |
|
611 |
getBlock:[:model | |
|
612 |
model value storeString , ' "' , model value class name , '" ' |
|
613 |
] |
|
614 |
||
615 |
putBlock: |
|
616 |
[:model :string | |
|
617 |
||
618 |
|value| |
|
619 |
||
620 |
value := Object readFrom:string onError:nil. |
|
621 |
model value:value |
|
622 |
] |
|
623 |
||
624 |
updateBlock: [:m :a :p | true] |
|
625 |
||
626 |
"Modified: / 26.10.1997 / 13:50:32 / cg" |
|
627 |
"Created: / 29.10.1997 / 15:50:16 / cg" |
|
628 |
! |
|
629 |
||
446 | 630 |
symbolOrNil |
631 |
"setup the converter to convert from a string to a symbol |
|
722
ea6d08251333
added #arrayLiteralOrSymbolOrNil
Claus Gittinger <cg@exept.de>
parents:
508
diff
changeset
|
632 |
and vice versa. Invalid symbols (i.e. empty) are converted to nil; |
ea6d08251333
added #arrayLiteralOrSymbolOrNil
Claus Gittinger <cg@exept.de>
parents:
508
diff
changeset
|
633 |
nil values are converted to an empty string." |
446 | 634 |
|
635 |
self |
|
636 |
getBlock:[:model | |
|
637 |
|symbolValue| |
|
638 |
||
726 | 639 |
(symbolValue := model value) isSymbol ifFalse:[ |
446 | 640 |
String new |
726 | 641 |
] ifTrue:[ |
946 | 642 |
symbolValue printString. "/ storeString |
446 | 643 |
]] |
644 |
||
645 |
putBlock: |
|
646 |
[:model :string | |
|
647 |
||
648 |
|value s| |
|
649 |
||
650 |
string isEmpty ifTrue:[ |
|
651 |
value := nil |
|
652 |
] ifFalse:[ |
|
653 |
s := string withoutSeparators. |
|
654 |
(s startsWith:'#') ifTrue:[ |
|
726 | 655 |
s := s copyFrom:2. |
656 |
(s startsWith:$') ifTrue:[ |
|
657 |
s := s copyFrom:2 to:(s size - 1) |
|
658 |
] |
|
446 | 659 |
]. |
660 |
value := s asSymbol |
|
661 |
]. |
|
662 |
model value:value] |
|
663 |
||
664 |
updateBlock: [:m :a :p | true] |
|
665 |
||
722
ea6d08251333
added #arrayLiteralOrSymbolOrNil
Claus Gittinger <cg@exept.de>
parents:
508
diff
changeset
|
666 |
"Created: / 21.2.1997 / 18:58:38 / cg" |
946 | 667 |
"Modified: / 26.5.1998 / 15:06:06 / cg" |
487 | 668 |
! |
669 |
||
1026 | 670 |
time12HourFormatToText |
671 |
"setup the converter to convert from a string to a time formatted by 12 hours |
|
672 |
and vice versa." |
|
673 |
||
1027 | 674 |
self timeToTextFormattedBy: #printString12HourFormat |
1026 | 675 |
|
676 |
||
677 |
! |
|
678 |
||
679 |
time24HourFormatToText |
|
680 |
"setup the converter to convert from a string to a time formatted by 24 hours |
|
681 |
and vice versa." |
|
682 |
||
1027 | 683 |
self timeToTextFormattedBy: #printString24HourFormat |
1026 | 684 |
|
685 |
||
686 |
! |
|
687 |
||
487 | 688 |
timeOrNil |
689 |
"setup the converter to convert from a string to a time |
|
690 |
and vice versa." |
|
691 |
||
692 |
self |
|
693 |
getBlock:[:model | |
|
694 |
|time| |
|
695 |
||
696 |
(time := model value) isNil ifTrue:[ |
|
697 |
'' |
|
698 |
] ifFalse:[ |
|
699 |
time printString |
|
700 |
]] |
|
701 |
||
702 |
putBlock: |
|
703 |
[:model :string | |
|
704 |
||
705 |
|value| |
|
706 |
||
707 |
string isEmpty ifTrue:[ |
|
708 |
value := nil |
|
709 |
] ifFalse:[ |
|
710 |
value := Time readFrom:string onError:nil |
|
711 |
]. |
|
712 |
model value:value] |
|
713 |
||
714 |
updateBlock: [:m :a :p | true] |
|
715 |
||
716 |
"Created: 4.3.1997 / 11:52:47 / cg" |
|
717 |
"Modified: 4.3.1997 / 12:05:48 / cg" |
|
718 |
! |
|
719 |
||
720 |
timeToText |
|
721 |
"setup the converter to convert from a string to a time |
|
722 |
and vice versa." |
|
723 |
||
1026 | 724 |
self timeToTextFormattedBy: #printString |
725 |
! |
|
726 |
||
727 |
timeToTextFormattedBy: format |
|
728 |
"setup the converter to convert from a string to a time formatted by format |
|
729 |
and vice versa." |
|
730 |
||
487 | 731 |
self |
732 |
getBlock:[:model | |
|
733 |
|time| |
|
734 |
||
735 |
(time := model value) isNil ifTrue:[ |
|
1026 | 736 |
Time now perform: format |
487 | 737 |
] ifFalse:[ |
1026 | 738 |
time perform: format |
487 | 739 |
]] |
740 |
||
741 |
putBlock: |
|
742 |
[:model :string | |
|
743 |
||
744 |
|value| |
|
745 |
||
746 |
string isEmpty ifTrue:[ |
|
747 |
value := Time now |
|
1026 | 748 |
] ifFalse:[ |
749 |
value := Time readFrom:string onError:[Time now] |
|
487 | 750 |
]. |
751 |
model value:value] |
|
752 |
||
753 |
updateBlock: [:m :a :p | true] |
|
754 |
||
755 |
"Modified: 21.2.1997 / 18:59:06 / cg" |
|
756 |
"Created: 4.3.1997 / 11:52:47 / cg" |
|
442 | 757 |
! ! |
758 |
||
759 |
!TypeConverter class methodsFor:'documentation'! |
|
760 |
||
761 |
version |
|
1027 | 762 |
^ '$Header: /cvs/stx/stx/libview2/Attic/TypeConv.st,v 1.21 1998-08-02 20:39:55 tz Exp $' |
442 | 763 |
! ! |