diff --git a/generic/tables.py b/generic/tables.py index 77b38d60..a8745ecc 100644 --- a/generic/tables.py +++ b/generic/tables.py @@ -58,6 +58,22 @@ class SelectionTable(tables.Table): # Defensive: don't break table rendering if introspection fails pass + # Expose a per-instance selection token and ensure the table has the + # `js-row-selectable` class so client-side scripts (or the inline + # initializer below) can find the correct table without extra markup + # in templates. + try: + token = format(id(self), 'x') + attrs = getattr(self, 'attrs', None) or {} + classes = attrs.get('class', '') + if 'js-row-selectable' not in classes: + attrs['class'] = (classes + ' js-row-selectable').strip() + attrs['data-selection-token'] = token + self.attrs = attrs + except Exception: + # non-fatal + pass + # By default render the row selection controls above the table so # templates don't need to include `{{ table.row_selection_controls }}`. try: @@ -75,7 +91,7 @@ class SelectionTable(tables.Table): The control IDs are suffixed with a small per-instance token to avoid collisions when multiple tables are present on the same page. """ - token = format(id(self), 'x') + token = (self.attrs or {}).get('data-selection-token', format(id(self), 'x')) html = ( "
" @@ -91,10 +107,41 @@ class SelectionTable(tables.Table): "
" "" ).format(token, token, token, token, token) + # Append a small inline initializer that wires the controls to the + # specific table instance. This moves the behaviour into the server + # side table class so pages don't need global wiring. + script = ( + "" + ).format(t=token) - # Also include a small data attribute so client scripts can locate the - # controls by selection name if they prefer. - return mark_safe(html) + return mark_safe(html + script) class SingleImageColumn(tables.Column): def render(self, value): diff --git a/templates/base.html b/templates/base.html index c0993e34..bf743ebb 100644 --- a/templates/base.html +++ b/templates/base.html @@ -346,109 +346,8 @@ return any || null; } - // Helper to build id with optional token - function suffixed(idBase, token) { - return token ? idBase + '-' + token : idBase; - } - - // Injector removed: selection controls are rendered server-side - // by `SelectionTable.row_selection_controls` (now set as `caption`). - - // For every toggle button (supports both unsuffixed and suffixed IDs) - document.querySelectorAll('button[id^="toggle-row-selection"]').forEach(function(toggleBtn) { - // derive token (empty for unsuffixed) - var token = ''; - if (toggleBtn.id !== 'toggle-row-selection') token = toggleBtn.id.replace('toggle-row-selection-', ''); - - var controlsEl = document.getElementById(suffixed('selection-controls', token)); - var selectAllBtn = document.getElementById(suffixed('select-all', token)); - var clearBtn = document.getElementById(suffixed('clear-selection', token)); - var selectedCountSpan = document.getElementById(suffixed('selected-count', token)); - - var table = findTableForControl(toggleBtn); - if (!table) return; // nothing to do - - var selectionEnabled = false; - - function findRowCheckboxes() { - if (!table) return []; - // prefer named selection inputs but fall back to any checkbox - var checks = Array.from(table.querySelectorAll('input[type="checkbox"][name="selection"]')); - if (!checks.length) checks = Array.from(table.querySelectorAll('input[type="checkbox"]')); - return checks; - } - - function updateSelectedCount() { - if (!selectedCountSpan) return; - var checks = findRowCheckboxes(); - var count = checks.filter(function(c){ return c.checked; }).length; - selectedCountSpan.textContent = count; - checks.forEach(function(cb){ var tr = cb.closest('tr'); if (tr) tr.classList.toggle('table-active', cb.checked); }); - } - - function setCheckboxesDisabled(disabled) { - findRowCheckboxes().forEach(function(cb){ cb.disabled = disabled; }); - } - - function hideSelectionColumn() { - if (!table) return; - table.querySelectorAll('th, td').forEach(function(cell){ if (cell.querySelector && cell.querySelector('input[type="checkbox"][name="selection"]')) cell.style.display = 'none'; }); - } - - function showSelectionColumn() { - if (!table) return; - table.querySelectorAll('th, td').forEach(function(cell){ if (cell.querySelector && cell.querySelector('input[type="checkbox"][name="selection"]')) cell.style.display = ''; }); - } - - // initialise state - setCheckboxesDisabled(true); - hideSelectionColumn(); - - // row click toggling (attach to table to avoid global handlers) - table.addEventListener('click', function(e){ - if (!selectionEnabled) return; - var tag = (e.target.tagName || '').toLowerCase(); - if (['input','a','button','select','textarea','label'].indexOf(tag) !== -1) return; - var tr = e.target.closest('tr'); - if (!tr || !table.contains(tr)) return; - var cb = tr.querySelector('input[type="checkbox"][name="selection"]') || tr.querySelector('input[type="checkbox"]'); - if (cb && !cb.disabled) { cb.checked = !cb.checked; tr.classList.toggle('table-active', cb.checked); updateSelectedCount(); } - }, true); - - // listen for changes within the table to keep counts in sync - table.addEventListener('change', function(e){ if (e.target && e.target.matches && e.target.matches('input[type="checkbox"]')) updateSelectedCount(); }, true); - - // wire controls - if (toggleBtn) { - toggleBtn.addEventListener('click', function() { - selectionEnabled = !selectionEnabled; - if (selectionEnabled) { - toggleBtn.textContent = 'Disable row selection'; - if (controlsEl) controlsEl.style.display = ''; - setCheckboxesDisabled(false); - showSelectionColumn(); - } else { - toggleBtn.textContent = 'Enable row selection'; - if (controlsEl) controlsEl.style.display = 'none'; - setCheckboxesDisabled(true); - hideSelectionColumn(); - findRowCheckboxes().forEach(function(cb){ cb.checked = false; }); - updateSelectedCount(); - } - }); - } - - if (selectAllBtn) { - selectAllBtn.addEventListener('click', function(){ findRowCheckboxes().forEach(function(cb){ if (!cb.disabled) cb.checked = true; }); updateSelectedCount(); }); - } - - if (clearBtn) { - clearBtn.addEventListener('click', function(){ findRowCheckboxes().forEach(function(cb){ if (!cb.disabled) cb.checked = false; }); updateSelectedCount(); }); - } - - // initial count - updateSelectedCount(); - }); + // Selection wiring has been moved into per-table initializers + // emitted by `SelectionTable.row_selection_controls`. });