the solution (simple as a solution must be) is changing the 'cart_callback'
to update the entire (always little) <table>. Sorry, you haven't passed the
test :-P
thank you for your time!
Marco
On Friday, August 2, 2013 10:22:23 AM UTC+2, Niphlod wrote:
>
> well, given that you're not an expert on javascript events (:-P) I'd use
> response.js in both the add and the sub functions to trigger the changes in
> your total field.
> This is one of the reasons that pushed me to create a new web2py.js (will
> be available from 2.6.0) , but you need to be comfortable with js events
> anyway. I think that your best shot is to put
>
> response.js
> ='jQuery('#910').slideToggle();ajax("{{=URL(r=request,c='downld',f='order_reload')}}",[],'910');jQuery('#910').slideToggle();'
>
> in the add and sub functions.
>
> On Friday, August 2, 2013 10:07:13 AM UTC+2, Marco Prosperi wrote:
>>
>>
>> I've started from the PosOnLine demo appliance. There with the 'add' and
>> 'sub' buttons you can change the quantity of the products you want to buy,
>> but there is no total. I've tried to add a total in the view so that when
>> the the customer 'adds' a product both the quantity and the total changes.
>> I can't figure out how to correctly fire the total change. There is a
>> similar thread in this mailing on this subject list but without a useful
>> conclusion
>>
>> Marco
>>
>>
>> On Friday, August 2, 2013 9:51:31 AM UTC+2, Niphlod wrote:
>>>
>>> uhm. the change event must be hooked to an input that changes, not to a
>>> piece of the page ... let me understand: you have a page with a total that
>>> needs to be refreshed via ajax after having submitted with ajax the "add"
>>> or the "sub" function ?
>>>
>>> On Friday, August 2, 2013 12:45:17 AM UTC+2, Marco Prosperi wrote:
>>>>
>>>>
>>>> It was the first thing I tried, using the same view and the following
>>>> script, but nothing happens in this case when the quantity changes. Maybe
>>>> it interferes with the 'add' and 'sub' callbacks?
>>>>
>>>> <script>
>>>> jQuery(document).ready(function(){
>>>> jQuery('.e').change(function(){
>>>> jQuery('#910').slideToggle();
>>>> ajax("{{=URL(r=request,c='downld',f='order_reload')}}",[],'910');
>>>> jQuery('#910').slideToggle();
>>>> });
>>>> </script>
>>>>
>>>>
>>>> On Thursday, August 1, 2013 8:46:37 PM UTC+2, Niphlod wrote:
>>>>>
>>>>> well, you are hooking up to the event that gets fired every time an
>>>>> ajax request completes.
>>>>> you "trial" code just replace the fragment with a fixed value, but if
>>>>> you use ajax instead the ajaxstop will fire in a loop, and it's correct
>>>>> that it does it.
>>>>> Why are you hooking up to the ajaxstop event instead of the change
>>>>> event on the "quantity" field (as per your description on what is
>>>>> supposed
>>>>> to happen) ?
>>>>>
>>>>> On Thursday, August 1, 2013 7:25:10 PM UTC+2, Marco Prosperi wrote:
>>>>>>
>>>>>>
>>>>>> hello, I would like to update the total in the view below (bottom of
>>>>>> the message) when the user changes quantity. The following script works
>>>>>> fine (fixed value)
>>>>>>
>>>>>> <script>
>>>>>> jQuery(document).ready(function(){
>>>>>> $(document).ajaxStop(function(){
>>>>>> jQuery('#910').slideToggle();
>>>>>> jQuery('#910').html('25.0');
>>>>>> jQuery('#910').slideToggle();
>>>>>> return false;
>>>>>> });
>>>>>> });
>>>>>> </script>
>>>>>>
>>>>>> but if I replace the jQuery('#910').html('25.0');
>>>>>> with:
>>>>>>
>>>>>> ajax("{{=URL(r=request,c='downld',f='order_reload')}}",[],'910');
>>>>>>
>>>>>> where:
>>>>>>
>>>>>> def order_reload():
>>>>>> total=sum((qty*db.product(idx).price for idx,qty in
>>>>>> session.cart.items()),0.0)
>>>>>> return HTML(str(total))
>>>>>>
>>>>>> then after the first increment of qty the total gets refreshed
>>>>>> continuously. How can I avoid this?
>>>>>>
>>>>>> thank you in advance, Marco
>>>>>>
>>>>>> p.s.: here is the view
>>>>>>
>>>>>> {{extend 'layout.html'}}
>>>>>> <h1>Checkout</h1>
>>>>>> <h2>Cart</h2>
>>>>>> <table width="100%">
>>>>>> {{for id, qty in cart.items():}}{{p=db.product(id)}}
>>>>>> <tr>
>>>>>> <td>{{=p.name}}</td>
>>>>>> <td>€ {{=p.price}}</td>
>>>>>> <td><span class="e" id="{{='item%s'%p.id}}">{{=qty}}</span>
>>>>>> {{=A('add',callback=URL('cart_callback',vars=dict(id=p.id
>>>>>> ,action='add')),target='item%s'%p.id,_class='button
>>>>>> pill')}}{{=A('sub',callback=URL('cart_callback',vars=dict(id=p.id
>>>>>> ,action='sub')),target='item%s'%p.id,_class='button pill')}}
>>>>>> </td>
>>>>>> </tr>
>>>>>> {{pass}}
>>>>>> <tr>
>>>>>> <td>Total</td>
>>>>>> <!-- <td>€{{=sum((qty*db.product(id).price for id, qty in
>>>>>> cart.items()),0.0)}}</td> -->
>>>>>> <td><div class="one" id="910">€
>>>>>> {{=sum((qty*db.product(id).price for id, qty in
>>>>>> cart.items()),0.0)}}</div></td>
>>>>>> </tr>
>>>>>> </table>
>>>>>>
>>>>>>
>>>>>>
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