protected function findCardOrError($cardId)
{
$card = $this->cm->findById($cardId);
if ($card == null) {
$this->addError("Card with id {$cardId} doesn't exist");
$this->redirect();
$this->stop();
}
return $card;
}
public function loadSaveChanges($mindMapId, $changesAsJson)
{
$errors = array();
//used to map the temporary id of nodes to the new database ids
$newNodes = array();
$changes = json_decode($changesAsJson);
foreach ($changes as $c) {
if ($c->state == "new") {
$parent = $this->mnm->findById($mindMapId);
if ($c->type == "card") {
$card = $this->cm->findById($c->cardId);
$nc = $this->mnm->addCardToMindMap($parent, $card, $c->x, $c->y, $c->z, $c->width, $c->height, $c->collapsed);
$newNodes["node" . $c->id] = $nc;
} else {
if ($c->type == "map") {
$m = $this->mnm->createMindMap($c->name, $c->x, $c->y, $c->z, $c->width, $c->height, $c->collapsed, $parent);
$newNodes["node" . $c->id] = $m;
} else {
if ($c->type == "link") {
$left = null;
$right = null;
$lid = substr($c->leftId, 4);
if (substr($c->leftId, 4, 1) == "-") {
//the link refers to a new created node
$left = $newNodes[$c->leftId];
} else {
$left = $this->mnm->findById($lid);
}
$rid = substr($c->rightId, 4);
if (substr($c->rightId, 4, 1) == "-") {
//the link refers to a new created node
$right = $newNodes[$c->rightId];
} else {
$right = $this->mnm->findById($rid);
}
$this->lm->createLink($left, $right, $c->text, $c->leftArrow, $c->rightArrow);
}
}
}
} else {
if ($c->state == "updated") {
if ($c->type == "card" || $c->type == "map") {
$node = $this->mnm->findById($c->id);
$this->mnm->updateNode($node, $c->x, $c->y, $c->z, $c->width, $c->height, $c->collapsed);
} else {
if ($c->type == "link") {
$link = $this->lm->findById($c->id);
$this->lm->updateLink($link, null, null, $c->text, $c->leftArrow, $c->rightArrow);
}
}
} else {
if ($c->state == "deleted") {
if ($c->type == "card" || $c->type == "map") {
$this->mnm->deleteById($c->id);
} else {
if ($c->type == "link") {
$this->lm->deleteById($c->id);
}
}
}
}
}
}
echo json_encode($errors);
$this->dontRender();
}
