from django.forms import TextInput
from django.utils.safestring import mark_safe


class ThreadPickWidget(TextInput):
    def render(self, name, value, attrs=None, renderer=None):
        attrs['class'] += ' threadpick-input'
        html = super(ThreadPickWidget, self).render(name, value, attrs)
        html = html + '&nbsp;<button class="btn btn-default attachThreadButton" id="btn_%s">Find thread</button>' % name
        return mark_safe(html)