On 12.04.2010, at 16:36, Bert Freudenberg wrote:
>
> On 12.04.2010, at 16:13, Paul DeBruicker wrote:
>>
>> Hi -
>>
>>
>> If I had a SortedCollection of rectangular solid objects (that just have
>> the ivars height, width, depth), how could I sort it by height, then
>> width, then depth?
>>
>> So three object:
>>
>> A) h: 10, w: 5, d: 3
>> B) h: 60, w: 2, d: 14
>> C) h: 10, w: 3, d: 27
>>
>> And then after sorting they'd be in this order:
>>
>> B) h: 60, w: 2, d: 14
>> A) h: 10, w: 5, d: 3
>> C) h: 10, w: 3, d: 27
>>
>> First sorted by height, then by width, then by depth.
>>
>> Is there a way to do that using just a #sortBlock:
>>
>
> Sure. Basically your sort block would look like
>
> a height > b height or: [
> a height = b height and: [
> a width > b width or: [
> a width = b width and: [
> a depth > b depth]]]]
>
>
> - Bert -
Hmm, indenting it like this makes it more obvious:
a height > b height or: [
a height = b height and: [
a width > b width or: [
a width = b width and: [
a depth > b depth]]]]
- Bert -
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