public static function cmp($a, $b)
{
if ($a->parent_metadata_structure_id == $b->parent_metadata_structure_id) {
if ($a->ordering == $b->ordering) {
if ($a->name == $b->name) {
return 0;
}
return $a->name < $b->name ? -1 : 1;
}
return $a->ordering < $b->ordering ? -1 : 1;
}
$lineageA = $a->getLineage();
$lineageAIds = Db_Linked::arrayOfAttrValues($lineageA, 'metadata_structure_id');
if (in_array($b->metadata_structure_id, $lineageAIds)) {
// b is some kind of parent of a, therefore b comes before a, i.e. a > b
return 1;
}
$lineageB = $b->getLineage();
$lineageBIds = Db_Linked::arrayOfAttrValues($lineageB, 'metadata_structure_id');
if (in_array($a->metadata_structure_id, $lineageBIds)) {
// a is some kind of parent of b, therefore a comes before b, i.e. a < b
return -1;
}
// util_prePrintR($lineageA);
// util_prePrintR($lineageB);
// trim off matching ancestories
while ($lineageA[0]->metadata_structure_id == $lineageB[0]->metadata_structure_id) {
array_shift($lineageA);
array_shift($lineageB);
// util_prePrintR($lineageA);
// util_prePrintR($lineageB);
}
// return the cmp of the first descendents of the point of ancestral divergence
return Metadata_Structure::cmp($lineageA[0], $lineageB[0]);
}
function testCmp()
{
$mds1 = Metadata_Structure::getOneFromDb(['metadata_structure_id' => 6001], $this->DB);
$mds2 = Metadata_Structure::getOneFromDb(['metadata_structure_id' => 6004], $this->DB);
$this->assertEqual(-1, Metadata_Structure::cmp($mds2, $mds1));
$this->assertEqual(1, Metadata_Structure::cmp($mds1, $mds2));
$this->assertEqual(0, Metadata_Structure::cmp($mds2, $mds2));
$mds3 = Metadata_Structure::getOneFromDb(['metadata_structure_id' => 6002], $this->DB);
$this->assertEqual(-1, Metadata_Structure::cmp($mds1, $mds3));
$this->assertEqual(1, Metadata_Structure::cmp($mds3, $mds1));
$this->assertEqual(-1, Metadata_Structure::cmp($mds2, $mds3));
$this->assertEqual(1, Metadata_Structure::cmp($mds3, $mds2));
$mds = Metadata_Structure::getAllFromDb(['parent_metadata_structure_id' => 0], $this->DB);
usort($mds, 'Metadata_Structure::cmp');
$this->assertEqual('leaf', $mds[0]->name);
$this->assertEqual('flower', $mds[1]->name);
}
public static function cmp($a, $b)
{
if ($a->notebook_page_id == $b->notebook_page_id) {
if ($a->label_metadata_structure_id == $b->label_metadata_structure_id) {
if ($a->value_metadata_term_value_id == 0 && $b->value_metadata_term_value_id == 0) {
return strcmp($a->value_open, $b->value_open);
}
if ($a->value_metadata_term_value_id == 0) {
return 1;
}
if ($b->value_metadata_term_value_id == 0) {
return -1;
}
return Metadata_Structure::cmp($a->getMetadataTermValue(), $b->getMetadataTermValue());
}
return Metadata_Structure::cmp($a->getMetadataStructure(), $b->getMetadataStructure());
}
return Notebook_Page::cmp($a->getNotebookPage(), $b->getNotebookPage());
}
public static function cmp($a, $b)
{
// role, then action, then type, then target
if ($a->role_id == $b->role_id) {
if ($a->action_id == $b->action_id) {
if (Role_Action_Target::$SORT_PRIORITIES_FOR_TYPES[$a->target_type] == Role_Action_Target::$SORT_PRIORITIES_FOR_TYPES[$b->target_type]) {
if ($a->target_id == $b->target_id) {
return 0;
}
if ($a->target_id == 0) {
return -1;
}
if ($b->target_id == 0) {
return 1;
}
switch ($a->target_type) {
case 'notebook':
return Notebook::cmp($a->getTargets()[0], $b->getTargets()[0]);
break;
case 'metadata_structure':
return Metadata_Structure::cmp($a->getTargets()[0], $b->getTargets()[0]);
break;
case 'plant':
return Authoritative_Plant::cmp($a->getTargets()[0], $b->getTargets()[0]);
break;
case 'specimen':
return Specimen::cmp($a->getTargets()[0], $b->getTargets()[0]);
break;
default:
return 0;
}
}
return Role_Action_Target::$SORT_PRIORITIES_FOR_TYPES[$a->target_type] < Role_Action_Target::$SORT_PRIORITIES_FOR_TYPES[$b->target_type] ? -1 : 1;
}
return Action::cmp($a->getAction(), $b->getAction());
}
return Role::cmp($a->getRole(), $b->getRole());
}
