author | Claus Gittinger <cg@exept.de> |
Fri, 26 Feb 1999 13:52:40 +0100 | |
changeset 1113 | ac90f3c50701 |
parent 1047 | 42201709a0bc |
child 1122 | d8e73d8209d7 |
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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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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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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(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 |
|
1047 | 271 |
dateDDMMYYYY |
1026 | 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 |
||
1047 | 278 |
dateMMDDYYYY |
1026 | 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 |
||
1047 | 381 |
hexidecimal |
382 |
"setup the converter to convert from a hexadecimal string to a number |
|
383 |
and vice versa." |
|
384 |
||
385 |
self |
|
386 |
getBlock:[:model | |
|
387 |
|hexValue| |
|
388 |
||
389 |
(hexValue := model value) isNumber ifFalse:[ |
|
390 |
String new |
|
391 |
] ifTrue:[ |
|
392 |
hexValue hexPrintString |
|
393 |
]] |
|
394 |
||
395 |
putBlock: |
|
396 |
[:model :string | |
|
397 |
||
398 |
|value| |
|
399 |
||
400 |
string isEmpty ifTrue:[ |
|
401 |
value := 0 |
|
402 |
] ifFalse:[ |
|
403 |
value := Integer readFrom: string radix:16 onError:[0] |
|
404 |
]. |
|
405 |
model value:value] |
|
406 |
||
407 |
updateBlock: [:m :a :p | true] |
|
408 |
||
409 |
||
410 |
! |
|
411 |
||
508 | 412 |
number |
413 |
"setup the converter to convert from a string to a number |
|
414 |
and vice versa. Invalid numbers are converted to nil." |
|
415 |
||
416 |
self numberToText |
|
417 |
||
418 |
"Created: 4.4.1997 / 12:46:14 / cg" |
|
419 |
! |
|
420 |
||
442 | 421 |
numberOrNil |
422 |
"setup the converter to convert from a string to a number |
|
423 |
and vice versa. Invalid numbers are converted to nil." |
|
424 |
||
425 |
self |
|
426 |
getBlock:[:model | |
|
427 |
|numericValue| |
|
428 |
||
429 |
(numericValue := model value) isNil ifTrue:[ |
|
430 |
String new |
|
431 |
] ifFalse:[ |
|
432 |
numericValue printString |
|
433 |
]] |
|
434 |
||
435 |
putBlock: |
|
436 |
[:model :string | |
|
437 |
||
438 |
|value| |
|
439 |
||
943 | 440 |
string notEmpty ifTrue:[ |
447 | 441 |
value := Number readFrom:string onError:nil |
1002 | 442 |
]. |
442 | 443 |
model value:value] |
444 |
||
445 |
updateBlock: [:m :a :p | true] |
|
446 |
||
447 |
"Created: 21.2.1997 / 18:58:38 / cg" |
|
448 |
! |
|
449 |
||
726 | 450 |
numberOrSymbolOrNil |
451 |
"setup the converter to convert from a string to either a numeric literal |
|
452 |
or a symbol and vice versa. |
|
453 |
Invalid strings (i.e. empty) are converted to nil; |
|
454 |
nil values are converted to an empty string. |
|
455 |
This is a very special converter (for the GUI builder) |
|
456 |
- probably not belonging to here" |
|
457 |
||
458 |
self |
|
459 |
getBlock:[:model | |
|
460 |
|litValue| |
|
461 |
||
462 |
(litValue := model value) isNil ifTrue:[ |
|
463 |
String new |
|
464 |
] ifFalse:[ |
|
465 |
litValue storeString |
|
466 |
]] |
|
467 |
||
468 |
putBlock: |
|
469 |
[:model :string | |
|
470 |
||
471 |
|value s| |
|
472 |
||
473 |
string isEmpty ifTrue:[ |
|
474 |
value := nil |
|
475 |
] ifFalse:[ |
|
476 |
value := Number readFrom:string onError:nil. |
|
477 |
value isNil ifTrue:[ |
|
478 |
s := string withoutSeparators. |
|
479 |
(s startsWith:'#') ifTrue:[ |
|
480 |
s := s copyFrom:2. |
|
481 |
(s startsWith:$') ifTrue:[ |
|
482 |
s := s copyFrom:2 to:(s size - 1) |
|
483 |
]. |
|
484 |
]. |
|
485 |
value := s asSymbol |
|
486 |
] |
|
487 |
]. |
|
488 |
model value:value] |
|
489 |
||
490 |
updateBlock: [:m :a :p | true] |
|
491 |
||
492 |
"Modified: / 26.10.1997 / 13:50:32 / cg" |
|
493 |
"Created: / 29.10.1997 / 15:49:26 / cg" |
|
494 |
! |
|
495 |
||
442 | 496 |
numberToText |
497 |
"setup the converter to convert from a string to a number |
|
487 | 498 |
and vice versa." |
442 | 499 |
|
500 |
self |
|
501 |
getBlock:[:model | |
|
502 |
|numericValue| |
|
503 |
||
726 | 504 |
(numericValue := model value) isNumber ifFalse:[ |
442 | 505 |
String new |
726 | 506 |
] ifTrue:[ |
442 | 507 |
numericValue printString |
508 |
]] |
|
509 |
||
510 |
putBlock: |
|
511 |
[:model :string | |
|
512 |
||
513 |
|value| |
|
514 |
||
515 |
string isEmpty ifTrue:[ |
|
516 |
value := 0 |
|
517 |
] ifFalse:[ |
|
1000
70e95e4dca22
use #readFromString:onError: for string->number convertations
tz
parents:
997
diff
changeset
|
518 |
value := Number readFromString: string onError:[0] |
442 | 519 |
]. |
520 |
model value:value] |
|
521 |
||
522 |
updateBlock: [:m :a :p | true] |
|
523 |
||
726 | 524 |
"Created: / 21.2.1997 / 18:57:05 / cg" |
525 |
"Modified: / 29.10.1997 / 15:49:21 / cg" |
|
442 | 526 |
! |
527 |
||
747
fe0360fb81ee
added typeConverter for decimals with n digits after point
Claus Gittinger <cg@exept.de>
parents:
726
diff
changeset
|
528 |
numberToText:numberOfPostDecimals |
fe0360fb81ee
added typeConverter for decimals with n digits after point
Claus Gittinger <cg@exept.de>
parents:
726
diff
changeset
|
529 |
"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
|
530 |
and vice versa." |
fe0360fb81ee
added typeConverter for decimals with n digits after point
Claus Gittinger <cg@exept.de>
parents:
726
diff
changeset
|
531 |
|
fe0360fb81ee
added typeConverter for decimals with n digits after point
Claus Gittinger <cg@exept.de>
parents:
726
diff
changeset
|
532 |
self |
fe0360fb81ee
added typeConverter for decimals with n digits after point
Claus Gittinger <cg@exept.de>
parents:
726
diff
changeset
|
533 |
getBlock:[:model | |
fe0360fb81ee
added typeConverter for decimals with n digits after point
Claus Gittinger <cg@exept.de>
parents:
726
diff
changeset
|
534 |
|numericValue| |
fe0360fb81ee
added typeConverter for decimals with n digits after point
Claus Gittinger <cg@exept.de>
parents:
726
diff
changeset
|
535 |
|
fe0360fb81ee
added typeConverter for decimals with n digits after point
Claus Gittinger <cg@exept.de>
parents:
726
diff
changeset
|
536 |
(numericValue := model value) isNumber ifFalse:[ |
fe0360fb81ee
added typeConverter for decimals with n digits after point
Claus Gittinger <cg@exept.de>
parents:
726
diff
changeset
|
537 |
String new |
fe0360fb81ee
added typeConverter for decimals with n digits after point
Claus Gittinger <cg@exept.de>
parents:
726
diff
changeset
|
538 |
] ifTrue:[ |
fe0360fb81ee
added typeConverter for decimals with n digits after point
Claus Gittinger <cg@exept.de>
parents:
726
diff
changeset
|
539 |
(numericValue asFixedPoint:numberOfPostDecimals) printString |
fe0360fb81ee
added typeConverter for decimals with n digits after point
Claus Gittinger <cg@exept.de>
parents:
726
diff
changeset
|
540 |
]] |
fe0360fb81ee
added typeConverter for decimals with n digits after point
Claus Gittinger <cg@exept.de>
parents:
726
diff
changeset
|
541 |
|
fe0360fb81ee
added typeConverter for decimals with n digits after point
Claus Gittinger <cg@exept.de>
parents:
726
diff
changeset
|
542 |
putBlock: |
fe0360fb81ee
added typeConverter for decimals with n digits after point
Claus Gittinger <cg@exept.de>
parents:
726
diff
changeset
|
543 |
[:model :string | |
fe0360fb81ee
added typeConverter for decimals with n digits after point
Claus Gittinger <cg@exept.de>
parents:
726
diff
changeset
|
544 |
|
fe0360fb81ee
added typeConverter for decimals with n digits after point
Claus Gittinger <cg@exept.de>
parents:
726
diff
changeset
|
545 |
|value| |
fe0360fb81ee
added typeConverter for decimals with n digits after point
Claus Gittinger <cg@exept.de>
parents:
726
diff
changeset
|
546 |
|
fe0360fb81ee
added typeConverter for decimals with n digits after point
Claus Gittinger <cg@exept.de>
parents:
726
diff
changeset
|
547 |
string isEmpty ifTrue:[ |
fe0360fb81ee
added typeConverter for decimals with n digits after point
Claus Gittinger <cg@exept.de>
parents:
726
diff
changeset
|
548 |
value := 0 |
1000
70e95e4dca22
use #readFromString:onError: for string->number convertations
tz
parents:
997
diff
changeset
|
549 |
] ifFalse:[ |
70e95e4dca22
use #readFromString:onError: for string->number convertations
tz
parents:
997
diff
changeset
|
550 |
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
|
551 |
]. |
1001 | 552 |
self setNumberValue: value inModel: model fromInput: string. |
553 |
] |
|
747
fe0360fb81ee
added typeConverter for decimals with n digits after point
Claus Gittinger <cg@exept.de>
parents:
726
diff
changeset
|
554 |
|
fe0360fb81ee
added typeConverter for decimals with n digits after point
Claus Gittinger <cg@exept.de>
parents:
726
diff
changeset
|
555 |
updateBlock: [:m :a :p | true] |
fe0360fb81ee
added typeConverter for decimals with n digits after point
Claus Gittinger <cg@exept.de>
parents:
726
diff
changeset
|
556 |
|
fe0360fb81ee
added typeConverter for decimals with n digits after point
Claus Gittinger <cg@exept.de>
parents:
726
diff
changeset
|
557 |
"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
|
558 |
"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
|
559 |
! |
fe0360fb81ee
added typeConverter for decimals with n digits after point
Claus Gittinger <cg@exept.de>
parents:
726
diff
changeset
|
560 |
|
442 | 561 |
numberToTextFormattedBy:formatString |
562 |
"setup the converter to convert from a string to a number |
|
563 |
and vice versa, using formatString. |
|
564 |
The formatString is currently ignored when numbers are converted |
|
565 |
from a string." |
|
566 |
||
567 |
self |
|
568 |
getBlock:[:model | |
|
569 |
|numericValue| |
|
570 |
||
571 |
(numericValue := model value) isNil ifTrue:[ |
|
572 |
String new |
|
573 |
] ifFalse:[ |
|
574 |
PrintConverter print:numericValue formattedBy:formatString |
|
575 |
]] |
|
576 |
||
577 |
putBlock: |
|
578 |
[:model :string | |
|
579 |
||
580 |
|value| |
|
581 |
||
582 |
string isEmpty ifTrue:[ |
|
583 |
value := 0 |
|
1000
70e95e4dca22
use #readFromString:onError: for string->number convertations
tz
parents:
997
diff
changeset
|
584 |
] ifFalse:[ |
70e95e4dca22
use #readFromString:onError: for string->number convertations
tz
parents:
997
diff
changeset
|
585 |
value := Number readFromString: string onError:[0]. "asNumberFromFormatString:formatString" |
442 | 586 |
]. |
587 |
model value:value] |
|
588 |
||
589 |
updateBlock: [:m :a :p | true] |
|
590 |
||
591 |
"Modified: 21.2.1997 / 18:59:44 / cg" |
|
446 | 592 |
! |
593 |
||
941
ba196649eaec
added converter for number-in-range
Claus Gittinger <cg@exept.de>
parents:
747
diff
changeset
|
594 |
numberToTextMinValue:minVal maxValue:maxVal |
ba196649eaec
added converter for number-in-range
Claus Gittinger <cg@exept.de>
parents:
747
diff
changeset
|
595 |
"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
|
596 |
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
|
597 |
|
ba196649eaec
added converter for number-in-range
Claus Gittinger <cg@exept.de>
parents:
747
diff
changeset
|
598 |
self |
ba196649eaec
added converter for number-in-range
Claus Gittinger <cg@exept.de>
parents:
747
diff
changeset
|
599 |
getBlock:[:model | |
ba196649eaec
added converter for number-in-range
Claus Gittinger <cg@exept.de>
parents:
747
diff
changeset
|
600 |
|numericValue| |
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 |
(numericValue := model value) isNil ifTrue:[ |
ba196649eaec
added converter for number-in-range
Claus Gittinger <cg@exept.de>
parents:
747
diff
changeset
|
603 |
String new |
ba196649eaec
added converter for number-in-range
Claus Gittinger <cg@exept.de>
parents:
747
diff
changeset
|
604 |
] ifFalse:[ |
ba196649eaec
added converter for number-in-range
Claus Gittinger <cg@exept.de>
parents:
747
diff
changeset
|
605 |
numericValue printString |
ba196649eaec
added converter for number-in-range
Claus Gittinger <cg@exept.de>
parents:
747
diff
changeset
|
606 |
]] |
ba196649eaec
added converter for number-in-range
Claus Gittinger <cg@exept.de>
parents:
747
diff
changeset
|
607 |
|
ba196649eaec
added converter for number-in-range
Claus Gittinger <cg@exept.de>
parents:
747
diff
changeset
|
608 |
putBlock: |
ba196649eaec
added converter for number-in-range
Claus Gittinger <cg@exept.de>
parents:
747
diff
changeset
|
609 |
[:model :string | |
ba196649eaec
added converter for number-in-range
Claus Gittinger <cg@exept.de>
parents:
747
diff
changeset
|
610 |
|
1001 | 611 |
|value c| |
941
ba196649eaec
added converter for number-in-range
Claus Gittinger <cg@exept.de>
parents:
747
diff
changeset
|
612 |
|
ba196649eaec
added converter for number-in-range
Claus Gittinger <cg@exept.de>
parents:
747
diff
changeset
|
613 |
string isEmpty ifTrue:[ |
ba196649eaec
added converter for number-in-range
Claus Gittinger <cg@exept.de>
parents:
747
diff
changeset
|
614 |
value := 0 |
1001 | 615 |
] ifFalse:[ |
997 | 616 |
value := Number readFromString: string onError:[0]. |
1000
70e95e4dca22
use #readFromString:onError: for string->number convertations
tz
parents:
997
diff
changeset
|
617 |
]. |
942
54949af3f3c1
number-in-range may have nil-bounds
Claus Gittinger <cg@exept.de>
parents:
941
diff
changeset
|
618 |
minVal notNil ifTrue:[ |
1001 | 619 |
(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
|
620 |
value := value max:minVal. |
54949af3f3c1
number-in-range may have nil-bounds
Claus Gittinger <cg@exept.de>
parents:
941
diff
changeset
|
621 |
]. |
54949af3f3c1
number-in-range may have nil-bounds
Claus Gittinger <cg@exept.de>
parents:
941
diff
changeset
|
622 |
maxVal notNil ifTrue:[ |
1001 | 623 |
(value > maxVal and: [string notEmpty]) ifTrue: [model setValue:nil]. |
944 | 624 |
value := value min:maxVal. |
1001 | 625 |
]. |
626 |
self setNumberValue: value inModel: model fromInput: string. |
|
627 |
] |
|
941
ba196649eaec
added converter for number-in-range
Claus Gittinger <cg@exept.de>
parents:
747
diff
changeset
|
628 |
|
ba196649eaec
added converter for number-in-range
Claus Gittinger <cg@exept.de>
parents:
747
diff
changeset
|
629 |
updateBlock: [:m :a :p | true] |
ba196649eaec
added converter for number-in-range
Claus Gittinger <cg@exept.de>
parents:
747
diff
changeset
|
630 |
|
ba196649eaec
added converter for number-in-range
Claus Gittinger <cg@exept.de>
parents:
747
diff
changeset
|
631 |
"Modified: 21.2.1997 / 18:59:44 / cg" |
ba196649eaec
added converter for number-in-range
Claus Gittinger <cg@exept.de>
parents:
747
diff
changeset
|
632 |
! |
ba196649eaec
added converter for number-in-range
Claus Gittinger <cg@exept.de>
parents:
747
diff
changeset
|
633 |
|
726 | 634 |
smalltalkObject |
635 |
"setup the converter to convert from a string to any smalltalk object |
|
636 |
and vice versa. The string used is the objects storeString. |
|
637 |
Invalid strings (i.e. empty) are converted to nil. |
|
638 |
This is a very special converter (for the GUI builder) |
|
639 |
- probably not belonging to here" |
|
640 |
||
641 |
self |
|
642 |
getBlock:[:model | |
|
643 |
model value storeString , ' "' , model value class name , '" ' |
|
644 |
] |
|
645 |
||
646 |
putBlock: |
|
647 |
[:model :string | |
|
648 |
||
649 |
|value| |
|
650 |
||
651 |
value := Object readFrom:string onError:nil. |
|
652 |
model value:value |
|
653 |
] |
|
654 |
||
655 |
updateBlock: [:m :a :p | true] |
|
656 |
||
657 |
"Modified: / 26.10.1997 / 13:50:32 / cg" |
|
658 |
"Created: / 29.10.1997 / 15:50:16 / cg" |
|
659 |
! |
|
660 |
||
446 | 661 |
symbolOrNil |
662 |
"setup the converter to convert from a string to a symbol |
|
722
ea6d08251333
added #arrayLiteralOrSymbolOrNil
Claus Gittinger <cg@exept.de>
parents:
508
diff
changeset
|
663 |
and vice versa. Invalid symbols (i.e. empty) are converted to nil; |
ea6d08251333
added #arrayLiteralOrSymbolOrNil
Claus Gittinger <cg@exept.de>
parents:
508
diff
changeset
|
664 |
nil values are converted to an empty string." |
446 | 665 |
|
666 |
self |
|
667 |
getBlock:[:model | |
|
668 |
|symbolValue| |
|
669 |
||
726 | 670 |
(symbolValue := model value) isSymbol ifFalse:[ |
446 | 671 |
String new |
726 | 672 |
] ifTrue:[ |
946 | 673 |
symbolValue printString. "/ storeString |
446 | 674 |
]] |
675 |
||
676 |
putBlock: |
|
677 |
[:model :string | |
|
678 |
||
679 |
|value s| |
|
680 |
||
681 |
string isEmpty ifTrue:[ |
|
682 |
value := nil |
|
683 |
] ifFalse:[ |
|
684 |
s := string withoutSeparators. |
|
685 |
(s startsWith:'#') ifTrue:[ |
|
726 | 686 |
s := s copyFrom:2. |
687 |
(s startsWith:$') ifTrue:[ |
|
688 |
s := s copyFrom:2 to:(s size - 1) |
|
689 |
] |
|
446 | 690 |
]. |
691 |
value := s asSymbol |
|
692 |
]. |
|
693 |
model value:value] |
|
694 |
||
695 |
updateBlock: [:m :a :p | true] |
|
696 |
||
722
ea6d08251333
added #arrayLiteralOrSymbolOrNil
Claus Gittinger <cg@exept.de>
parents:
508
diff
changeset
|
697 |
"Created: / 21.2.1997 / 18:58:38 / cg" |
946 | 698 |
"Modified: / 26.5.1998 / 15:06:06 / cg" |
487 | 699 |
! |
700 |
||
1047 | 701 |
time12H |
1026 | 702 |
"setup the converter to convert from a string to a time formatted by 12 hours |
703 |
and vice versa." |
|
704 |
||
1027 | 705 |
self timeToTextFormattedBy: #printString12HourFormat |
1026 | 706 |
|
707 |
||
708 |
! |
|
709 |
||
1047 | 710 |
time24H |
1026 | 711 |
"setup the converter to convert from a string to a time formatted by 24 hours |
712 |
and vice versa." |
|
713 |
||
1027 | 714 |
self timeToTextFormattedBy: #printString24HourFormat |
1026 | 715 |
|
716 |
||
717 |
! |
|
718 |
||
487 | 719 |
timeOrNil |
720 |
"setup the converter to convert from a string to a time |
|
721 |
and vice versa." |
|
722 |
||
723 |
self |
|
724 |
getBlock:[:model | |
|
725 |
|time| |
|
726 |
||
727 |
(time := model value) isNil ifTrue:[ |
|
728 |
'' |
|
729 |
] ifFalse:[ |
|
730 |
time printString |
|
731 |
]] |
|
732 |
||
733 |
putBlock: |
|
734 |
[:model :string | |
|
735 |
||
736 |
|value| |
|
737 |
||
738 |
string isEmpty ifTrue:[ |
|
739 |
value := nil |
|
740 |
] ifFalse:[ |
|
741 |
value := Time readFrom:string onError:nil |
|
742 |
]. |
|
743 |
model value:value] |
|
744 |
||
745 |
updateBlock: [:m :a :p | true] |
|
746 |
||
747 |
"Created: 4.3.1997 / 11:52:47 / cg" |
|
748 |
"Modified: 4.3.1997 / 12:05:48 / cg" |
|
749 |
! |
|
750 |
||
751 |
timeToText |
|
752 |
"setup the converter to convert from a string to a time |
|
753 |
and vice versa." |
|
754 |
||
1026 | 755 |
self timeToTextFormattedBy: #printString |
756 |
! |
|
757 |
||
758 |
timeToTextFormattedBy: format |
|
759 |
"setup the converter to convert from a string to a time formatted by format |
|
760 |
and vice versa." |
|
761 |
||
487 | 762 |
self |
763 |
getBlock:[:model | |
|
764 |
|time| |
|
765 |
||
766 |
(time := model value) isNil ifTrue:[ |
|
1026 | 767 |
Time now perform: format |
487 | 768 |
] ifFalse:[ |
1026 | 769 |
time perform: format |
487 | 770 |
]] |
771 |
||
772 |
putBlock: |
|
773 |
[:model :string | |
|
774 |
||
775 |
|value| |
|
776 |
||
777 |
string isEmpty ifTrue:[ |
|
778 |
value := Time now |
|
1026 | 779 |
] ifFalse:[ |
780 |
value := Time readFrom:string onError:[Time now] |
|
487 | 781 |
]. |
782 |
model value:value] |
|
783 |
||
784 |
updateBlock: [:m :a :p | true] |
|
785 |
||
786 |
"Modified: 21.2.1997 / 18:59:06 / cg" |
|
787 |
"Created: 4.3.1997 / 11:52:47 / cg" |
|
442 | 788 |
! ! |
789 |
||
790 |
!TypeConverter class methodsFor:'documentation'! |
|
791 |
||
792 |
version |
|
1047 | 793 |
^ '$Header: /cvs/stx/stx/libview2/TypeConverter.st,v 1.22 1998-08-18 18:15:59 tz Exp $' |
442 | 794 |
! ! |