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Add column picker to dashboard with localStorage persistence

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Optional columns: Chemistry, Capacity, Storage Location, Purchase Date,
Charge Cycles. Selection persists across page loads via localStorage.
This commit is contained in:
Darek
2026-04-12 15:51:28 -05:00
parent 6384f6b589
commit 5e87d5e898
1 changed files with 63 additions and 1 deletions
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templates/dashboard.html
+63 -1
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@@ -29,6 +29,20 @@
</div>
<div class="card">
<div style="display:flex;justify-content:flex-end;margin-bottom:0.5rem;">
<div style="position:relative;">
<button type="button" id="col-picker-btn" class="btn btn-sm btn-secondary">Columns ▾</button>
<div id="col-picker-panel" style="display:none;position:absolute;right:0;top:calc(100% + 4px);background:#fff;border:1px solid #d1d5db;border-radius:6px;padding:0.75rem 1rem;z-index:100;box-shadow:0 4px 8px rgba(0,0,0,0.1);min-width:180px;">
<div style="font-weight:600;font-size:0.8rem;color:#64748b;margin-bottom:0.5rem;text-transform:uppercase;letter-spacing:0.05em;">Show columns</div>
<label style="display:block;cursor:pointer;margin-bottom:0.3rem;font-size:0.875rem;"><input type="checkbox" data-col="chemistry" onchange="toggleCol(this)" style="margin-right:0.4rem;"> Chemistry</label>
<label style="display:block;cursor:pointer;margin-bottom:0.3rem;font-size:0.875rem;"><input type="checkbox" data-col="capacity" onchange="toggleCol(this)" style="margin-right:0.4rem;"> Capacity</label>
<label style="display:block;cursor:pointer;margin-bottom:0.3rem;font-size:0.875rem;"><input type="checkbox" data-col="storage" onchange="toggleCol(this)" style="margin-right:0.4rem;"> Storage Location</label>
<label style="display:block;cursor:pointer;margin-bottom:0.3rem;font-size:0.875rem;"><input type="checkbox" data-col="purchase" onchange="toggleCol(this)" style="margin-right:0.4rem;"> Purchase Date</label>
<label style="display:block;cursor:pointer;font-size:0.875rem;"><input type="checkbox" data-col="cycles" onchange="toggleCol(this)" style="margin-right:0.4rem;"> Charge Cycles</label>
</div>
</div>
</div>
<form method="post" action="{{ url_for('battery_bulk_action') }}" id="bulk-form">
<div id="bulk-toolbar" style="display:none;margin-bottom:0.75rem;padding:0.6rem 0.75rem;background:#f1f5f9;border-radius:6px;display:none;align-items:center;gap:0.5rem;flex-wrap:wrap;">
@@ -78,6 +92,11 @@
<th>Label</th>
<th>Brand</th>
<th>Size</th>
<th class="col-chemistry" style="display:none;">Chemistry</th>
<th class="col-capacity" style="display:none;">Capacity</th>
<th class="col-storage" style="display:none;">Storage</th>
<th class="col-purchase" style="display:none;">Purchase Date</th>
<th class="col-cycles" style="display:none;">Cycles</th>
<th>Status</th>
<th>Assigned To</th>
<th>Actions</th>
@@ -90,6 +109,16 @@
<td><a href="{{ url_for('battery_detail', battery_id=b.id) }}"><strong>{{ b.label }}</strong></a></td>
<td>{{ b.brand }}</td>
<td>{{ b.size or '—' }}</td>
<td class="col-chemistry" style="display:none;">{{ b.chemistry or '—' }}</td>
<td class="col-capacity" style="display:none;">
{% if b.capacity_mah %}
{% if b.tested_capacity_mah %}{{ b.tested_capacity_mah }}/{{ b.capacity_mah }} mAh
{% else %}{{ b.capacity_mah }} mAh{% endif %}
{% else %}—{% endif %}
</td>
<td class="col-storage" style="display:none;">{{ b.storage_location or '—' }}</td>
<td class="col-purchase" style="display:none;">{{ b.purchase_date or '—' }}</td>
<td class="col-cycles" style="display:none;">{{ b.charge_cycles or '—' }}</td>
<td>
<span class="badge badge-{{ b.status }}">{{ b.status|capitalize }}</span>
</td>
@@ -122,7 +151,7 @@
</td>
</tr>
{% else %}
<tr><td colspan="7" class="text-muted" style="text-align:center;padding:1rem;">No batteries found. <a href="{{ url_for('battery_add') }}">Add some.</a></td></tr>
<tr><td colspan="12" class="text-muted" style="text-align:center;padding:1rem;">No batteries found. <a href="{{ url_for('battery_add') }}">Add some.</a></td></tr>
{% endfor %}
</tbody>
</table>
@@ -165,6 +194,39 @@ function updateBulkField(sel) {
// initialise disabled state on page load
document.getElementById('bulk-field-value-brand').disabled = true;
// Column picker
var COL_KEY = 'battery_cols';
var ALL_COLS = ['chemistry','capacity','storage','purchase','cycles'];
function toggleCol(cb) {
var col = cb.dataset.col;
document.querySelectorAll('.col-' + col).forEach(function(el) {
el.style.display = cb.checked ? '' : 'none';
});
var prefs = JSON.parse(localStorage.getItem(COL_KEY) || '{}');
prefs[col] = cb.checked;
localStorage.setItem(COL_KEY, JSON.stringify(prefs));
}
(function loadColPrefs() {
var prefs = JSON.parse(localStorage.getItem(COL_KEY) || '{}');
ALL_COLS.forEach(function(col) {
if (prefs[col]) {
var cb = document.querySelector('[data-col="' + col + '"]');
if (cb) { cb.checked = true; toggleCol(cb); }
}
});
}());
document.getElementById('col-picker-btn').addEventListener('click', function(e) {
var panel = document.getElementById('col-picker-panel');
panel.style.display = panel.style.display === 'none' ? 'block' : 'none';
e.stopPropagation();
});
document.addEventListener('click', function() {
document.getElementById('col-picker-panel').style.display = 'none';
});
function bulkStorageChanged(sel) {
var text = document.getElementById('bulk-storage-text');
var hidden = document.getElementById('bulk-field-value-storage');