';
$output .= theme('links', $links, array('class' => 'decisions_selection_1click'));
$output .= '
';
}
$form['choices']['1click'] = array(
'#value' => $output,
);
//If asynchronous voting is enabled, add the necessary JS.
if (variable_get('decisions_ahah', 0) == 1) {
drupal_add_js(drupal_get_path('module', 'selection') . '/selection.js');
}
//At this point, we can return the form since 1-click uses its own callback for vote submission.
return $form;
}
//Not using 1-click. Use radios.
else {
foreach ($node->choice as $i => $choice) {
if ($choice['label']) {
$list[$i] = check_plain($choice['label']);
}
}
}
$form['choice'] = array(
'#type' => 'radios',
'#title' => $page ? '' : check_plain($node->title),
'#default_value' => -1,
'#options' => $list,
);
}
//Approval/multiple-choice voting.
else {
foreach ($node->choice as $i => $choice) {
if ($choice['label']) {
$list[$i] = check_plain($choice['label']);
}
}
$form['choice'] = array(
'#type' => 'checkboxes',
'#title' => $page ? '' : check_plain($node->title),
'#options' => $list,
);
}
}
//Add the submit button. 1click has already returned the form by this point.
$form['vote'] = array(
'#type' => 'submit',
'#value' => t('Vote'),
);
return $form;
}
/**
* Display the selection results.
* TODO: implement (http://drupal.org/node/48249)
*/
function selection_decisions_view_results($node, $teaser, $page, $new_vote = array()) {
global $user;
$vote = !empty($new_vote) ? $new_vote : $node->vote;
$output = "";
$results = votingapi_select_results(array('content_id' => $node->nid, 'content_type' => 'decisions'));
// Count the votes for each choice
$votes = array();
foreach ($results as $result) {
// approval
$voteval = $result['tag'];
if (!array_key_exists($voteval, $votes)) {
$votes[$voteval] = 0;
}
// the value is the position chosen in this case, we just want to increment
$votes[$voteval]+=$result['value'];
}
foreach ($node->choice as $i => $ch) {
if (!array_key_exists($i, $votes)) {
$votes[$i] = 0;
}
}
// sort the votes
arsort($votes);
$total_votes = array_sum($votes);
if ($node->choice && $total_votes > 0) {
// TODO: Those s and
s should be in a theme function. First collect all the data in a structure, then theme it.
// display results for each possible choice
//If AHAH and 1click are enabled, ensure that the fallback behavior shows the same vote confirmation.
if (variable_get('decisions_1click', 0) && ($node->maxchoices == 1)) {
if (!empty($new_vote)) {
//Fallback behavior.
$vote = $new_vote;
}
$vote_label = $node->choice[$vote['tag']]['label'];
$output .= '
' . t('You voted: @vote_tag', array('@vote_tag' => $vote_label)) . '';
}
$output .= '
';
$max_votes = 0;
foreach ($votes as $i => $vote) {
$max_votes = ($vote > $max_votes ? $vote : $max_votes);
}
foreach ($votes as $i => $vote) {
$percentage = round(100 * $vote / $total_votes, 0);
$output .= theme('decisions_bar', check_plain($node->choice[$i]['label']), $vote, $total_votes, $max_votes);
}
$output .= '
';
}
$output .= '
';
return $output;
}
/**
* implementation of the format_votes() hook.
*
* formats how a user's votes should be displayed.
*
* @returns a formatted string
*/
function selection_decisions_format_votes($node, $votes) {
$unordered_votes = array();
foreach ($votes as $vote) {
// Just need one dimensional results
if ($vote->value > 0) {
$unordered_votes[] = check_plain($node->choice[$vote->tag]['label']);
}
}
return implode(', ', $unordered_votes);
}
/**
* Registers the vote as a key for this node using votingapi_set_vote().
*/
function decisions_selection_voting_form_submit($form, &$form_state) {
$node = $form_state['values']['node'];
$one_click = variable_get('decisions_1click', 0);
global $user;
$node = $form_state['values']['node'];
$votes = array();
if ($node->maxchoices == 1) {
// plurality voting
$vote = array(
'value' => 1,
'tag' => $form_state['values']['choice'],
'value_type' => 'option',
'content_type' => 'decisions',
'content_id' => $node->nid,
);
$votes[] = $vote;
}
else {
// approval voting
foreach ($node->choice as $key => $choice) {
if (isset($form_state['values']['choice'][$key]) && $form_state['values']['choice'][$key]) {
$vote = array(
'value' => 1,
'value_type' => 'option',
'tag' => $key,
'content_type' => 'decisions',
'content_id' => $node->nid,
);
$votes[] = $vote;
}
}
}
votingapi_add_votes($votes);
//If this becomes a performance problem, we use votingapi_set_votes and the site-wide recalculation time.
votingapi_recalculate_results('decisions', $node->nid);
drupal_set_message(t('Your vote was registered.'));
}
/**
* implementation of the vote_validate() hook
*
* check if the submitted key exists, just to make sure the form is not bypassed.
*
* @returns boolean true if the form is valid
*/
function decisions_selection_voting_form_validate($form, &$form_state) {
$node = $form_state['values']['node'];
if ($node->maxchoices == 1) {
if (!array_key_exists($form_state['values']['choice'], $node->choice)) {
form_set_error('choice', 'At least one choice must be selected.');
}
}
else {
//Approval/Multiple-choice voting
// array used to check which values are set
$setvalues = array();
foreach ($node->choice as $key => $choice) {
// see if the box is checked
if (!empty($form_state['values']['choice'][$key])) {
$numchoices++;
}
}
// too many choices ranked
if ($node->maxchoices != 0 && $numchoices > $node->maxchoices) {
form_set_error('choice',
t('%num choices were selected but only %max are allowed.',
array('%num' => $numchoices, '%max' => $node->maxchoices)
)
);
}
// not enough choices ranked
$minchoices = 1;
if ($numchoices < $minchoices) {
form_set_error('choice', t('At least one choice must be selected.'));
}
}
}
function theme_selection_decisions_view_results($node = NULL, $teaser = FALSE, $page = FALSE, $new_vote = array()) {
return selection_decisions_view_results($node, $teaser, $page, $new_vote);
}