Function paneDropHandler

public/js/fileListView.js:2714–2879

(e)

}

async function paneDropHandler(e) {
  if (!window.dualPaneEnabled) return;
  if (!isPaneDropTargetAllowed(e.target)) return;
  e.preventDefault();
  e.currentTarget.classList.remove('fr-pane-drop-target');

  const paneKey = e.currentTarget.classList.contains('secondary-pane') ? 'secondary' : 'primary';
  const paneState = getPaneState(paneKey);
  const targetFolder = paneState?.currentFolder || '';
  if (!targetFolder) return;

  let dragData = null;
  try {
    const raw = e.dataTransfer.getData('application/json') || '{}';
    dragData = JSON.parse(raw);
  } catch (err) {
    dragData = null;
  }

  if (!dragData) return;

  const sourceId = String(dragData.sourceId || dragData.sourceSourceId || '').trim();
  const destSourceId = getPaneSourceId(paneKey) || getGlobalActiveSourceId();
  const crossSource = sourceId && destSourceId && sourceId !== destSourceId;

  const scheduleRepair = () => {
    try {
      const kick = () => { try { repairBlankFolderIcons({ force: true }); } catch (e) {} };
      if (typeof queueMicrotask === 'function') queueMicrotask(kick);
      setTimeout(kick, 80);
      setTimeout(kick, 250);
    } catch (e) { /* ignore */ }
  };

  if (dragData.dragType === 'folder' && dragData.folder) {
    const sourceFolder = String(dragData.folder || '').trim();
    if (!sourceFolder || sourceFolder === 'root') return;
    if (!crossSource && (targetFolder === sourceFolder || targetFolder.startsWith(sourceFolder + '/'))) {
      showToast(t('invalid_destination'), 'warning');
      return;
    }

    if (normalizePaneKey(window.activePane) !== paneKey) {
      setActivePane(paneKey);
    }

    const sourceParent = dragData.sourceFolder || parentFolderOf(sourceFolder);
    try {
      await runTransferJob({
        kind: 'folder_move',
        payload: {
          source: sourceFolder,
          destination: targetFolder,
          sourceId,
          destSourceId
        },
        progress: {
          action: 'Moving',