summaryrefslogtreecommitdiffstats
path: root/toolkit/content/treeUtils.js
diff options
context:
space:
mode:
authorDaniel Baumann <daniel.baumann@progress-linux.org>2024-04-07 19:33:14 +0000
committerDaniel Baumann <daniel.baumann@progress-linux.org>2024-04-07 19:33:14 +0000
commit36d22d82aa202bb199967e9512281e9a53db42c9 (patch)
tree105e8c98ddea1c1e4784a60a5a6410fa416be2de /toolkit/content/treeUtils.js
parentInitial commit. (diff)
downloadfirefox-esr-36d22d82aa202bb199967e9512281e9a53db42c9.tar.xz
firefox-esr-36d22d82aa202bb199967e9512281e9a53db42c9.zip
Adding upstream version 115.7.0esr.upstream/115.7.0esr
Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>
Diffstat (limited to 'toolkit/content/treeUtils.js')
-rw-r--r--toolkit/content/treeUtils.js87
1 files changed, 87 insertions, 0 deletions
diff --git a/toolkit/content/treeUtils.js b/toolkit/content/treeUtils.js
new file mode 100644
index 0000000000..08db884d17
--- /dev/null
+++ b/toolkit/content/treeUtils.js
@@ -0,0 +1,87 @@
+// -*- indent-tabs-mode: nil; js-indent-level: 2 -*-
+
+/* This Source Code Form is subject to the terms of the Mozilla Public
+ * License, v. 2.0. If a copy of the MPL was not distributed with this
+ * file, You can obtain one at http://mozilla.org/MPL/2.0/. */
+
+var gTreeUtils = {
+ deleteAll(aTree, aView, aItems, aDeletedItems) {
+ for (var i = 0; i < aItems.length; ++i) {
+ aDeletedItems.push(aItems[i]);
+ }
+ aItems.splice(0, aItems.length);
+ var oldCount = aView.rowCount;
+ aView._rowCount = 0;
+ aTree.rowCountChanged(0, -oldCount);
+ },
+
+ deleteSelectedItems(aTree, aView, aItems, aDeletedItems) {
+ var selection = aTree.view.selection;
+ selection.selectEventsSuppressed = true;
+
+ var rc = selection.getRangeCount();
+ for (var i = 0; i < rc; ++i) {
+ var min = {};
+ var max = {};
+ selection.getRangeAt(i, min, max);
+ for (let j = min.value; j <= max.value; ++j) {
+ aDeletedItems.push(aItems[j]);
+ aItems[j] = null;
+ }
+ }
+
+ var nextSelection = 0;
+ for (i = 0; i < aItems.length; ++i) {
+ if (!aItems[i]) {
+ let j = i;
+ while (j < aItems.length && !aItems[j]) {
+ ++j;
+ }
+ aItems.splice(i, j - i);
+ nextSelection = j < aView.rowCount ? j - 1 : j - 2;
+ aView._rowCount -= j - i;
+ aTree.rowCountChanged(i, i - j);
+ }
+ }
+
+ if (aItems.length) {
+ selection.select(nextSelection);
+ aTree.ensureRowIsVisible(nextSelection);
+ aTree.focus();
+ }
+ selection.selectEventsSuppressed = false;
+ },
+
+ sort(
+ aTree,
+ aView,
+ aDataSet,
+ aColumn,
+ aComparator,
+ aLastSortColumn,
+ aLastSortAscending
+ ) {
+ var ascending = aColumn == aLastSortColumn ? !aLastSortAscending : true;
+ if (!aDataSet.length) {
+ return ascending;
+ }
+
+ var sortFunction = null;
+ if (aComparator) {
+ sortFunction = function (a, b) {
+ return aComparator(a[aColumn], b[aColumn]);
+ };
+ }
+ aDataSet.sort(sortFunction);
+ if (!ascending) {
+ aDataSet.reverse();
+ }
+
+ aTree.view.selection.clearSelection();
+ aTree.view.selection.select(0);
+ aTree.invalidate();
+ aTree.ensureRowIsVisible(0);
+
+ return ascending;
+ },
+};