Thanks John. I know this answer is like 2 years old but definitely
appreciated.
On Sunday, November 3, 2013 at 2:58:45 PM UTC-5, John Duane wrote:
>
> Here is another way that should not re-execute the filter function:
>
> <input ng-model="query" name="query">
> store the filter results in filteredData:
> <ul>
> <li ng-repeat="todo in filteredData = (todos |
> filter:query">{{todo}})"</li>
> </ul>
> then check filteredData's length to conditionally show a warning:
> <p ng-show="filteredData.length==0">There are no todos for given query</p>
>
> Hope it helps,
> John.
>
> On Tuesday, July 3, 2012 8:24:46 AM UTC-6, Jakub Arnold wrote:
>>
>> I have a list created via *ng-repeat* with a *filter:query* and I want
>> to be able to show an element if there are no elements left by the filter.
>>
>> Basically my idea would be something like this, where I assign a class
>> based on the count of the displayed elements
>>
>> <input ng-model="query" name="query">
>>
>> <ul>
>> <li ng-repeat="todo in todos | filter:query">{{todo}}</li>
>> </ul>
>>
>> <p class="display-{{something like todos.length}}">There are no todos for
>> given query</p>
>>
>> The problem is, that *.length* doesn't get updated with the filter, and
>> something like *todos.count()* doesn't work.
>>
>> What is the proper way of doing this?
>>
>
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