Added js validation for max_choice

This commit is contained in:
Jean-Baptiste Lenglet 2016-12-23 00:35:21 +01:00 committed by klmp200
parent 33d8c14da5
commit a9d154506f

View File

@ -63,7 +63,7 @@ th {
background: lightgrey;
}
.role__multiple-choices {
.role__multiple-choices-label {
color: darkgreen;
}
@ -251,12 +251,12 @@ th {
{%- for role in election.role.all() %}
{%- set count = [0] %}
{%- set role_data = election_form.data.getlist(role.title) if role.title in election_form.data else [] %}
<tbody class="role {% if election_form.errors[role.title] is defined %}role_error{% endif %}">
<tbody data-max-choice="{{role.max_choice}}" class="role{{ ' role_error' if role.title in election_form.errors else '' }}{{ ' role__multiple-choices' if role.max_choice > 1 else ''}}">
<tr class="role__title">
<td colspan="{{election_lists.count() + 1}}">
<span>{{role.title}}</span>
{%- if role.max_choice > 1 and not election.has_voted(request.user) %}
<strong class="role__multiple-choices">{% trans %}You may choose up to{% endtrans %} {{ role.max_choice }} {% trans %}people.{% endtrans %}</strong>
<strong class="role__multiple-choices-label">{% trans %}You may choose up to{% endtrans %} {{ role.max_choice }} {% trans %}people.{% endtrans %}</strong>
{%- endif %}
{%- if election_form.errors[role.title] is defined %}
{%- for error in election_form.errors.as_data()[role.title] %}
@ -330,4 +330,31 @@ th {
</form>
</section>
{%- endif %}
{% endblock %}
{% block script %}
{{ super() }}
<script type="text/javascript">
document.querySelectorAll('.role__multiple-choices').forEach(setupRestrictions);
function setupRestrictions(role) {
var selectedChoices = [];
role.querySelectorAll('input').forEach(setupRestriction);
function setupRestriction(choice) {
if (choice.checked)
selectedChoices.push(choice);
choice.addEventListener('change', onChange);
function onChange() {
if (choice.checked)
selectedChoices.push(choice);
else
selectedChoices.splice(selectedChoices.indexOf(choice), 1);
while (selectedChoices.length > role.dataset.maxChoice)
selectedChoices.shift().checked = false;
}
}
}
</script>
{% endblock %}