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FIX: Fixed move to prev/next page functionality (fixes #307)

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Loz Calver 2020-06-01 16:56:54 +01:00 committed by Guy Sartorelli
parent 1bd74e0070
commit 80a4d9c311
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1 changed files with 29 additions and 13 deletions
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42
src/GridFieldOrderableRows.php
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@ -521,28 +521,44 @@ class GridFieldOrderableRows extends RequestHandler implements
if ($to == 'prev') {
$swap = $list->limit(1, ($page - 1) * $per - 1)->first();
$values[$swap->ID] = $swap->$field;
$order[$swap->$field] = $id;
$order[] = $id;
$order[] = $swap->ID;
reset($existing);
$isMovingFirstItemOnPage = (key($existing) == $id);
$swappedItemNewSort = current($existing);
$order[$swappedItemNewSort] = $swap->ID;
foreach ($existing as $_id => $sort) {
if ($id != $_id) {
$order[] = $_id;
// We want the item that's being swapped from the previous page to appear at the start
// of the current page, so we have to adjust the sort order of all the items between the
// start of the page and the location of the item we're moving
if (!$isMovingFirstItemOnPage) {
foreach ($existing as $_id => $sort) {
if ($id == $_id) {
break;
}
$order[$sort + 1] = $_id;
}
}
} elseif ($to == 'next') {
$swap = $list->limit(1, $page * $per)->first();
$values[$swap->ID] = $swap->$field;
$order[$swap->$field] = $id;
foreach ($existing as $_id => $sort) {
if ($id != $_id) {
$order[] = $_id;
end($existing);
$isMovingLastItemOnPage = (key($existing) == $id);
$swappedItemNewSort = current($existing);
$order[$swappedItemNewSort] = $swap->ID;
// We want the item that's being swapped from the next page to appear at the end
// of the current page, so we have to adjust the sort order of all the items between the
// end of the page and the location of the item we're moving
if (!$isMovingLastItemOnPage) {
foreach (array_reverse($existing, true) as $_id => $sort) {
if ($id == $_id) {
break;
}
$order[$sort - 1] = $_id;
}
}
$order[] = $swap->ID;
$order[] = $id;
} else {
$this->httpError(400, 'Invalid page target');
}