public static function render(array $parameters)
{
global $wgUser;
// Gets current path
$path = DataCenterPage::getPath();
// Sets Defaults
$parameters = array_merge(self::$defaultParameters, $parameters);
// Begins widget
$xmlOutput = parent::begin($parameters['class']);
if (isset($path['parameter']) && is_array($path['parameter']) && count($path['parameter']) >= 2) {
$changes = array(DataCenterDB::getChange($path['parameter'][0]), DataCenterDB::getChange($path['parameter'][1]));
if ($changes[0]->get('timestamp') > $changes[1]->get('timestamp')) {
$changes = array_reverse($changes);
}
// Use blank user name if none is set
foreach ($changes as $change) {
if ($change->get('user') == 0) {
$change->set('username', DataCenterUI::message('label', 'change-blank-user'));
}
}
// Get states from serialized versions
$states = array(unserialize($changes[0]->get('state')), unserialize($changes[1]->get('state')));
// Begins table
$xmlOutput .= DataCenterXml::open('table', self::$defaultAttributes['table']);
// Restructures data
$data = array();
foreach ($states as $i => $state) {
foreach ($state as $group => $fields) {
if (!isset($data[$group])) {
$data[$group] = array();
}
foreach ($fields as $field => $value) {
if ($field !== 'id') {
if (!isset($data[$group][$field])) {
$data[$group][$field] = array();
}
$data[$group][$field][$i] = $value;
}
}
}
}
$xmlOutput .= DataCenterXml::row(DataCenterXml::cell(), DataCenterXml::cell($changes[0]->get('username') . ' - ' . DataCenterUI::format($changes[0]->get('timestamp'), 'date')), DataCenterXml::cell($changes[1]->get('username') . ' - ' . DataCenterUI::format($changes[1]->get('timestamp'), 'date')));
// Loops over each field
foreach ($data as $group => $fields) {
if (count($fields) == 0) {
continue;
}
$xmlOutput .= DataCenterXml::row(DataCenterXml::headingCell(array_merge(self::$defaultAttributes['heading'], array('colspan' => 3)), DataCenterUI::message('label', 'change-state-' . $group)));
$even = true;
foreach ($fields as $field => $values) {
// Deals with incomplete data
if (count($values) == 1) {
if (!isset($values[0])) {
$values[0] = null;
}
if (!isset($values[1])) {
$values[1] = null;
}
}
// Detects differnce
$different = (string) $values[0] !== (string) $values[1];
$spanAttributes = array('class' => $different ? 'different' : 'same');
// Gets label name
if ($group == 'row') {
$label = DataCenterUI::message('field', strtr($field, '_', '-'));
} elseif ($group == 'meta') {
$metaField = DataCenterDB::getMetaField($field);
$label = $metaField->get('name');
}
$state = $even ? 'even' : 'odd';
// Adds row
$xmlOutput .= DataCenterXml::row(DataCenterXml::cell(array('class' => 'label'), $label), DataCenterXml::cell(array('class' => 'older-' . $state), DataCenterXml::span($spanAttributes, $values[0])), DataCenterXml::cell(array('class' => 'newer-' . $state), DataCenterXml::span($spanAttributes, $values[1])));
$even = !$even;
}
}
// Ends table
$xmlOutput .= DataCenterXml::close('table');
} else {
// Gets history of component from database
$changes = $parameters['component']->getChanges(array_merge_recursive(DataCenterDB::buildSort('meta', 'change', array('timestamp DESC')), DataCenterDB::buildRange($path)));
// Gets number of changes fromd database
$numChanges = $parameters['component']->numChanges();
// Use blank user name if none is set
foreach ($changes as $change) {
if ($change->get('user') == 0) {
$change->set('username', DataCenterUI::message('label', 'change-blank-user'));
}
}
// Builds form attributes
$formAttributes = array('id' => 'form_history', 'name' => 'form_history', 'method' => 'post', 'action' => DataCenterXml::url($path));
// Begins form
$xmlOutput .= DataCenterXml::open('form', $formAttributes);
// Begins table
$xmlOutput .= DataCenterXml::open('table', self::$defaultAttributes['table']);
// Adds paging
$xmlOutput .= DataCenterXml::row(DataCenterXml::cell(self::$defaultAttributes['paging'], parent::buildPaging($path, $numChanges)));
// Adds headings
$xmlOutput .= DataCenterXml::row(DataCenterXml::headingCell(), DataCenterXml::headingCell(), DataCenterXml::headingCell(self::$defaultAttributes['heading'], DataCenterUI::message('field', 'date')), DataCenterXml::headingCell(self::$defaultAttributes['heading'], DataCenterUI::message('field', 'username')), DataCenterXml::headingCell(self::$defaultAttributes['heading'], DataCenterUI::message('field', 'type')), DataCenterXml::headingCell(self::$defaultAttributes['heading'], DataCenterUI::message('field', 'note')));
foreach ($changes as $i => $change) {
// Build row attributes
$rowAttributes = array('class' => $i % 2 == 0 ? 'odd' : 'even');
// Build radio attributes
$radio1Attributes = array('type' => 'radio', 'name' => 'meta[change1]', 'id' => 'field_change1_' . $change->getId(), 'value' => $change->getId());
if ($i == 0) {
$radio1Attributes['checked'] = 'checked';
}
$radio2Attributes = array('type' => 'radio', 'name' => 'meta[change2]', 'id' => 'field_change2_' . $change->getId(), 'value' => $change->getId());
if ($i == 1 || count($changes) == 1) {
$radio2Attributes['checked'] = 'checked';
}
$xmlOutput .= DataCenterXml::row($rowAttributes, DataCenterXml::cell(self::$defaultAttributes['radio'], DataCenterXml::tag('input', $radio1Attributes)), DataCenterXml::cell(self::$defaultAttributes['radio'], DataCenterXml::tag('input', $radio2Attributes)), DataCenterXml::cell(self::$defaultAttributes['field'], DataCenterUI::format($change->get('timestamp'), 'date')), DataCenterXml::cell(self::$defaultAttributes['field'], $change->get('username')), DataCenterXml::cell(self::$defaultAttributes['field'], $change->get('type')), DataCenterXml::cell(self::$defaultAttributes['field'], $change->get('note')));
}
// Adds reset and submit button
$xmlOutput .= DataCenterXML::row(DataCenterXml::cell(self::$defaultAttributes['buttons'], DataCenterXml::tag('input', array('type' => 'reset', 'name' => 'reset', 'class' => 'reset', 'value' => DataCenterUI::message('label', 'reset'))) . DataCenterXml::tag('input', array('type' => 'submit', 'name' => 'submit', 'class' => 'submit', 'value' => DataCenterUI::message('label', 'compare-changes')))));
// Adds do field
$xmlOutput .= DataCenterXml::tag('input', array('type' => 'hidden', 'name' => 'do', 'value' => 'compareChanges'));
// Adds token field
$xmlOutput .= DataCenterXml::tag('input', array('type' => 'hidden', 'name' => 'token', 'value' => $wgUser->editToken()));
$xmlOutput .= DataCenterXml::close('table');
$xmlOutput .= DataCenterXml::close('form');
}
// Ends widget
$xmlOutput .= parent::end();
// Returns results
return $xmlOutput;
}
public static function render(array $parameters)
{
// Sets defaults
$parameters = array_merge_recursive(self::$defaultParameters, $parameters);
// Begins widget
$xmlOutput = parent::begin($parameters['class']);
// Processes fields
$fields = self::processFields($parameters['fields']);
// Check if there was an error processing fields
if (!$fields) {
// Tells the user
return DataCenterUI::message('error', 'no-fields');
}
// Begins table
$xmlOutput .= DataCenterXml::open('table', array('border' => 0, 'cellspacing' => 0));
// Gets current path
$path = DataCenterPage::getPath();
// Check if number of possible records was given
if (isset($parameters['num'])) {
// Adds paging
$xmlOutput .= DataCenterXml::row(DataCenterXml::cell(array('colspan' => count($parameters['fields']), 'align' => 'right'), parent::buildPaging($path, $parameters['num'])));
}
// Adds headings
foreach ($fields as $label => $options) {
$xmlOutput .= DataCenterXml::headingCell(array('align' => $options['align']), DataCenterUI::message('field', $label));
}
if (count($parameters['rows']) == 0) {
$xmlOutput .= DataCenterXml::row(DataCenterXml::cell(DataCenterUI::message('error', 'no-rows')));
}
// Loops over each row
foreach ($parameters['rows'] as $i => $row) {
// Builds row attributes
$rowAttributes = array_merge(array('class' => $i % 2 == 0 ? 'odd' : 'even'), DataCenterXml::buildEffects($parameters['effects'], $row), DataCenterXml::buildLink($parameters['link'], $row));
if (count($parameters['link']) > 0) {
$rowAttributes['class'] .= ' link';
}
// Begins row
$xmlOutput .= DataCenterXml::open('tr', $rowAttributes);
// Loops over each field
foreach ($fields as $label => $options) {
// Checks if multiple fields were specified
if (count($options['fields']) > 0) {
// Builds array of values
$values = array();
foreach ($options['fields'] as $field => $fieldOptions) {
$values[] = DataCenterUI::format($row->get($field), $fieldOptions['format']);
}
// Glues values together
$value = implode($options['glue'], $values);
// Alternatively checks if a field was specified
} elseif ($options['field']) {
// Uses specified field
$value = DataCenterUI::format($row->get($options['field']), $options['format']);
} else {
// Uses label as field
$value = DataCenterUI::format($row->get($label), $options['format']);
}
// Adds cell
$xmlOutput .= DataCenterXml::cell(array('align' => $options['align']), $value);
}
// Ends row
$xmlOutput .= DataCenterXml::close('tr');
}
// Ends table
$xmlOutput .= DataCenterXml::close('table');
// Clears any floating
$xmlOutput .= DataCenterXml::clearFloating();
// Ends widget
$xmlOutput .= parent::end();
// Returns results
return $xmlOutput;
}
