/**
* @see DifferenceEngine::generateContentDiffBody
*
* @param Content $old
* @param Content $new
*
* @throws MWException If the two content objects are neither EntityContent nor TextContent.
* @return string
*/
public function generateContentDiffBody(Content $old, Content $new)
{
if ($old instanceof EntityContent && $new instanceof EntityContent) {
$diff = $old->getDiff($new);
return $this->diffVisualizer->visualizeEntityContentDiff($diff);
}
return parent::generateContentDiffBody($old, $new);
}
/**
* @param EntityContentDiff $diff
*/
private function displayUndoDiff(EntityContentDiff $diff)
{
$tableClass = 'diff diff-contentalign-' . htmlspecialchars($this->getTitle()->getPageLanguage()->alignStart());
$this->getOutput()->addHTML(Html::openElement('table', array('class' => $tableClass)));
$this->getOutput()->addHTML('<colgroup>' . '<col class="diff-marker"><col class="diff-content">' . '<col class="diff-marker"><col class="diff-content">' . '</colgroup>');
$this->getOutput()->addHTML(Html::openElement('tbody'));
$old = $this->msg('currentrev')->parse();
$new = $this->msg('yourtext')->parse();
//XXX: better message?
$this->getOutput()->addHTML(Html::openElement('tr', array('valign' => 'top')));
$this->getOutput()->addHTML(Html::rawElement('td', array('colspan' => '2'), Html::rawElement('div', array('id' => 'mw-diff-otitle1'), $old)));
$this->getOutput()->addHTML(Html::rawElement('td', array('colspan' => '2'), Html::rawElement('div', array('id' => 'mw-diff-ntitle1'), $new)));
$this->getOutput()->addHTML(Html::closeElement('tr'));
$this->getOutput()->addHTML($this->entityDiffVisualizer->visualizeEntityContentDiff($diff));
$this->getOutput()->addHTML(Html::closeElement('tbody'));
$this->getOutput()->addHTML(Html::closeElement('table'));
$this->showDiffStyle();
}