Hey,
I wanted to change web2py response.flash to use bootstrap3 alerts.
I started by creating an alert-default in my css since bootstrap3 doesn't
have one and I wanted it, then I placed this in my layout.html
<div class="{{='flash alert alert-dismissable ' + ('alert-' +
(response.flash_status or 'default'))}}">{{if response.flash:}}
{{=response.flash}}
<button type="button" class="close"
data-dismiss="alert"><span aria-hidden="true">×</span><span
class="sr-only">Close</span></button>
{{pass}}</div>
response.flash_status was my solution so the controllers were able to
determine what kind of flash they would want the view to show, this was
working quite well until I started having stuff working via ajax. If a
request was done using ajax all my alerts were being shown with default.
After a bit of digging I found that $.web2py.flash also had a "status"
argument that could add a class so I thought this would be quite simple.
Nothing could be further from the truth. In the end I had to do this:
1. Add this to my models
def ajax_flash_status(view):
import urllib2
if response.flash:
if not response.flash_status:
response.flash_status = 'default'
response.headers['web2py-component-flash-status'] = \
urllib2.quote('alert-'+xmlescape(response.flash_status)\
.replace('\n',''))
return view
if request.ajax:
response.postprocessing.append(ajax_flash_status)
2. Add a js file to the project which I add after all the other js files
containing this:
$.web2py.after_ajax = function (xhr) {
/* called whenever an ajax request completes */
var command = xhr.getResponseHeader('web2py-component-command');
var flash = xhr.getResponseHeader('web2py-component-flash');
var flash_status =
xhr.getResponseHeader('web2py-component-flash-status');
if(command !== null) {
eval(decodeURIComponent(command));
}
if(flash) {
$.web2py.flash(decodeURIComponent(flash),
decodeURIComponent(flash_status));
}
};
$.web2py.flash = function (message, status) {
var flash = $('.flash');
$.web2py.hide_flash();
flash.html(message);
if (typeof status !== 'undefined') {
flash.removeClass('alert-default alert-success alert-info
alert-warning alert-danger').addClass(status);
}
if(flash.html()) {
flash.append(
'<button type="button" class="close" data-dismiss="alert">' +
'<span aria-hidden="true">×</span><span class="sr-only">' +
w2p_ajax_close_message +
'</span>' +
'</button>'
).slideDown();
}
};
Anyway, my question is, am I doing something wrong here? Wasn't there a
simpler way to implement this?
--
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- http://web2py.com
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- http://github.com/web2py/web2py (Source code)
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