function generateInterface($interface, $srcAtom, $isRef = false)
{
/*
* <Interface label='interface label' isRef=true'/'false'>
* <Label>interface label</Label>
* <AtomList concept=.. [relation=.. relationIsFlipped=..]>
* ..
* for each $tgtAtom in codomain of relation of $interface
* <AtomRow rowType=Normal> <DeleteStub/> <AtomListElt> generateAtomInterfaces($interface, $tgtAtom) </AtomListElt> </AtomRow>
* ..
*
* <AtomRow rowType=NewAtomTemplate> <DeleteStub/> <AtomListElt> generateAtomInterfaces($interface, null) </AtomListElt> </AtomRow>
*
* <AtomRow rowType=InsertAtomStub> <DeleteStub/> <InsertStub>Insert new .. </InsertStub> </AtomRow>
* </AtomList>
* </Interface>
*/
$html = "";
emit($html, '<div class=Interface label=' . showHtmlAttrStr($interface['name']) . ' isRef=' . showHtmlAttrBool($isRef) . '>');
emit($html, "<div class=Label>" . htmlSpecialChars($interface['name']) . '</div>');
if ($srcAtom == null) {
$codomainAtoms = array();
} else {
$codomainAtoms = array_filter(getCoDomainAtoms($srcAtom, $interface['expressionSQL']), 'notNull');
}
// filter, in case table contains ($srcAtom, null)
if (count($codomainAtoms) == 0 && isset($interface['min']) && $interface['min'] == 'One') {
// 'min' is only defined for editable relations
$codomainAtoms[] = "";
}
// if there should be at least one field, we add an empty field.
$codomainAtoms[] = null;
// the null is presented as a NewAtomTemplate (which is cloned when inserting a new atom)
$nrOfAtoms = count($codomainAtoms) - 1;
// disregard the null for the NewAtomTemplate
$relationAttrs = $interface['relation'] == '' ? '' : ' relation=' . showHtmlAttrStr($interface['relation']) . ' relationIsFlipped=' . showHtmlAttrBool($interface['relationIsFlipped']) . ' min=' . showHtmlAttrStr($interface['min']) . ' max=' . showHtmlAttrStr($interface['max']) . ' nrOfAtoms=' . showHtmlAttrStr($nrOfAtoms);
//
emit($html, '<div class="AtomList" concept=' . showHtmlAttrStr($interface['tgtConcept']) . $relationAttrs . '>');
foreach ($codomainAtoms as $i => $tgtAtom) {
// null is the NewAtomTemplate
emit($html, '<div class=AtomRow rowType=' . ($tgtAtom === null ? 'NewAtomTemplate' : 'Normal') . '><div class=DeleteStub> </div>' . '<div class=AtomListElt>');
emit($html, generateAtomInterfaces($interface, $tgtAtom));
emit($html, '</div></div>');
}
emit($html, '<div class=AtomRow rowType=InsertAtomRow><div class=DeleteStub> </div>' . '<div class=InsertStub>Insert new ' . htmlSpecialChars($interface['tgtConcept']) . '</div></div>');
emit($html, '</div></div>');
// close .AtomList and .Interface
return $html;
}
function execPair($srcAtom, $srcConcept, $tgtAtom, $tgtConcept, $pairView)
{
$pairStrs = array();
foreach ($pairView as $segment) {
if ($segment['segmentType'] == 'Text') {
$pairStrs[] = $segment['Text'];
} else {
$atom = $segment['srcOrTgt'] == 'Src' ? $srcAtom : $tgtAtom;
$concept = $segment['srcOrTgt'] == 'Src' ? $srcConcept : $tgtConcept;
$r = getCoDomainAtoms($atom, $segment['expSQL']);
// SRC of TGT kunnen door een expressie gevolgd worden
$pairStrs[] = $r[0];
// Even er van uit gaan dat we maar 1 atoom kunnen behandelen...
}
}
return implode($pairStrs);
}