i'm very grateful for your help. thanks so much for posting such a
complete solution. i'm certain there will be others like myself who
will find your code extremely helpful. thanks again.
On Tue, Dec 8, 2009 at 5:24 PM, mmalc Crawford <mmalc_li...@me.com> wrote:
>
> On Dec 8, 2009, at 12:33 pm, mmalc Crawford wrote:
> Get the logic right...
>
>> - (void)setUpTouchHandling {
>>
>> touchToLabelMapping = CFDictionaryCreateMutable (kCFAllocatorDefault, 5,
>> &kCFTypeDictionaryKeyCallBacks, &kCFTypeDictionaryValueCallBacks);
>> availableLabels = [[NSMutableArray alloc] initWithObjects:touchLabel1,
>> touchLabel2, touchLabel3, touchLabel4, touchLabel5, nil];
>> }
>>
> - (void)setUpTouchHandling {
>
> touchToLabelMapping = CFDictionaryCreateMutable (kCFAllocatorDefault, 5,
> &kCFTypeDictionaryKeyCallBacks, &kCFTypeDictionaryValueCallBacks);
> availableLabels = [[NSMutableArray alloc] initWithObjects:touchLabel1,
> touchLabel2, touchLabel3, touchLabel4, touchLabel5, nil];
> setUp = YES;
> }
>
>
> ... and improve the user experience accordingly:
>
>> - (void)touchesEnded:(NSSet *)touches withEvent:(UIEvent *)event {
>>
>> for (UITouch *touch in touches) {
>> if (touch.view == self) {
>> UILabel *label = (UILabel
>> *)CFDictionaryGetValue(touchToLabelMapping, touch);
>> label.text = @"{0, 0}";
>> CFDictionaryRemoveValue (touchToLabelMapping, touch);
>> [availableLabels addObject:label];
>> }
>> }
>> }
>>
> - (void)touchesEnded:(NSSet *)touches withEvent:(UIEvent *)event {
>
> for (UITouch *touch in touches) {
> if (touch.view == self) {
>
> UILabel *label = (UILabel
> *)CFDictionaryGetValue(touchToLabelMapping, touch);
> label.text = @"{0, 0}";
> CFDictionaryRemoveValue (touchToLabelMapping, touch);
> [availableLabels insertObject:label atIndex:0];
> }
> }
> }
>
>
> (I'm using setUpTouchHandling so that this will work however you configure
> your view or view controller -- ideally you choose a more appropriate
> initialisation locus.)
>
> mmalc
>
>
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