Function applyDualPaneMode

public/js/fileListView.js:2495–2529

(force)

}

function applyDualPaneMode(force) {
  let enabled = false;
  try {
    enabled = (typeof force === 'boolean')
      ? force
      : localStorage.getItem('dualPaneMode') === 'true';
  } catch (e) { /* ignore */ }
  window.dualPaneEnabled = enabled;

  const shell = document.getElementById('fileListShell');
  if (shell) shell.classList.toggle('dual-pane', enabled);

  const storedActive = (function () {
    try { return localStorage.getItem('activePane'); } catch (e) { return null; }
  })();
  if (enabled) {
    setActivePane(storedActive === 'secondary' ? 'secondary' : 'primary', { skipStore: true, skipAutoLoad: true });
  } else {
    setActivePane('primary', { skipStore: true, skipAutoLoad: true });
  }

  const primaryPane = document.querySelector('.file-list-pane.primary-pane');
  const secondaryPane = document.querySelector('.file-list-pane.secondary-pane');
  if (enabled) {
    if (primaryPane) primaryPane.style.display = '';
    if (secondaryPane) secondaryPane.style.display = '';
  } else {
    if (primaryPane) primaryPane.style.display = '';
    if (secondaryPane) secondaryPane.style.display = 'none';
    if (primaryPane) primaryPane.classList.remove('fr-pane-active');
    if (secondaryPane) secondaryPane.classList.remove('fr-pane-active');
  }
  updatePaneWidthClasses();
  updateDualPaneTargetHint();
}

window.applyDualPaneMode = applyDualPaneMode;