function polls_delete_choices($poll)
{
$choices = polls_get_choices($poll);
if ($choices) {
foreach ($choices as $choice) {
$choice->delete();
}
}
}
<?php
// TODO: add ability to reorder poll questions?
$poll = $vars['poll'];
$body = '';
$i = 0;
if ($poll) {
$choices = polls_get_choices($poll);
if ($choices) {
foreach ($choices as $choice) {
$body .= '<div id="choice_container_' . $i . '">';
$body .= elgg_view('input/text', array('name' => 'choice_text_' . $i, 'value' => $choice->text, 'class' => 'input-poll-choice'));
$body .= '<a href="#" alt="' . elgg_echo('polls:delete_choice') . '" title="' . elgg_echo('polls:delete_choice') . ' id="choice_delete_' . $i . '" onclick="javascript:polls_delete_choice(' . $i . '); return false;">';
$body .= '<img src="' . $vars['url'] . 'mod/polls/graphics/16-em-cross.png"></a>';
$body .= '</div>';
$i += 1;
}
}
}
$body .= elgg_view('input/hidden', array('name' => 'number_of_choices', 'id' => 'number_of_choices', 'value' => $i));
$body .= '<div id="new_choices_area"></div>';
$body .= elgg_view('input/button', array('id' => 'add_choice', 'value' => elgg_echo('polls:add_choice'), 'type' => 'button'));
echo $body;
?>
<script type="text/javascript">
$('#add_choice').click(
function() {
var cnum = parseInt($('#number_of_choices').val());
$('#number_of_choices').val(cnum+1);
var new_html = '<div id="choice_container_'+cnum+'">';
new_html += '<input type="text" class="input-poll-choice" name="choice_text_'+cnum+'"> ';