Modality-toolkit/Classes (extension)
| Control | Spec | Libraries/Modality
ItemsSpec
Extension
ExtensionA class to map an Array of items to a value range between 0 and 1.
Description
ItemsSpec maps an item from an array of possible items onto a value range between 0 and 1.
Simple example:
Class Methods
.new
Create a new ItemsSpec.
Arguments:
| items |
An Array of items to map onto. |
| warp |
An optional warp like \lin, \cos, \sin, or float number. |
| default |
An optional default value (float between 0 and 1) |
Instance Methods
.map
Map a SimpleNumber onto the items.
Arguments:
| inval |
A SimpleNumber |
Returns:
a String
.unmap
Unmap an items contained in items to its number value
Arguments:
| inval |
an item |
Returns:
A SimpleNumber or nil if the item was not found.
.default
The default value of an ItemsSpec is 0
.items
The array of items.
.spec
A ControlSpec that handles the conversion of 0-1 range to number of indices for the ItemsSpec.
.asSpec
Convenience method.
Returns:
the ItemsSpec
helpfile source: Modality/HelpSource/Classes/ItemsSpec.schelp
link::Modality-toolkit/Classes/ItemsSpec::
link::Modality-toolkit/Classes/ItemsSpec::