Add worker checkboxes and help text to shift timetable for improved usability

output/timetable.js

@@ -382,17 +382,6 @@ oshifts.forEach((shift, i) => {
 $("#shift-timetable-options").append(
     `<button id="toggle-grid-view" style="margin-left:10px;">Toggle Linear/Grid View</button><br/>`
 );
-// Add help text to the shift timetable section
-$("#shift-timetable-options").prepend(`
-    <details id="shift-timetable-help" style="margin-bottom:8px; font-size: 0.95em; color: #444;">
-        <summary><b>Shift Timetables Help:</b></summary>
-        <ul style="margin: 4px 0 0 18px; padding: 0;">
-            <li>Select one or more shifts below to view which workers are assigned on each day.</li>
-            <li>Use the colour pickers to customise shift colours in the timetable and main table.</li>
-            <li>Toggle between linear and grid view using the "Toggle Linear/Grid View" button.</li>
-        </ul>
-    </details>
-`);
 
 let gridViewEnabled = false;
 
@@ -494,32 +483,83 @@ function rgb2hex(rgb) {
     return "#ffe066";
 }
 
-// Add a worker filter input to the shift timetable section
-$("#shift-timetable-options").prepend(`
-    <div id="shift-timetable-worker-filter" style="margin-bottom:8px;">
-        <label for="worker-filter-input"><b>Filter workers:</b></label>
-        <input type="text" id="worker-filter-input" placeholder="Type to filter by name..." style="margin-left:4px; padding:2px 6px;"/>
-    </div>
-`);
+// --- Add worker checkboxes to the shift timetable section ---
+function renderWorkerCheckboxes() {
+    // Get all unique worker names and IDs from the main table
+    let workerList = [];
+    $("table#main-table td.worker").each(function () {
+        let workerId = $(this).attr("data-worker-id");
+        let workerName = $(this).find("span.name").text().trim();
+        if (workerId && !workerList.some(w => w.id === workerId)) {
+            workerList.push({ id: workerId, name: workerName });
+        }
+    });
 
-// Store the current filter value
-let workerFilterValue = "";
+    // Build checkboxes
+    let html = `<details id="shift-timetable-worker-filter" style="margin-bottom:8px;">
+        <summary><b>Show workers:</b></summary>`;
+    // Add a "Toggle All" button
+    html += `<button type="button" id="toggle-all-workers" style="margin-right:10px;">Toggle All</button>`;
 
-// Update the filter value on input
-$("#worker-filter-input").on("input", function() {
-    workerFilterValue = $(this).val().toLowerCase();
+    workerList.forEach(w => {
+        html += `<label style="margin-right:8px;">
+            <input type="checkbox" name="worker-filter-checkbox" value="${w.id}" checked> ${w.name}
+        </label>`;
+    });
+
+    // Attach toggle logic after DOM insertion
+    setTimeout(() => {
+        $("#toggle-all-workers").off("click").on("click", function() {
+            const $checkboxes = $("input[name='worker-filter-checkbox']");
+            const allChecked = $checkboxes.length === $checkboxes.filter(":checked").length;
+            $checkboxes.prop("checked", !allChecked);
+            // Update the filter set and re-render once, instead of triggering "change" for each
+            workerFilterSet = new Set(
+                Array.from(document.querySelectorAll("input[name='worker-filter-checkbox']:checked"))
+                    .map(cb => cb.value)
+            );
+            // Call your function here after the map has finished
+            renderShiftTimetable();
+        });
+    }, 0);
+    html += `</details>`;
+
+    // Prepend to the shift timetable options
+    $("#shift-timetable-options").prepend(html);
+}
+
+// Store the current filter value (set of workerIds)
+let workerFilterSet = new Set();
+
+// Call this after the DOM is ready and after timetable is rendered
+renderWorkerCheckboxes();
+
+// On first render, select all workers by default
+$("input[name='worker-filter-checkbox']").each(function() {
+    workerFilterSet.add($(this).val());
+});
+renderShiftTimetable();
+
+// Update the filter set on checkbox change
+$(document).on("change", "input[name='worker-filter-checkbox']", function() {
+    workerFilterSet = new Set(
+        $("input[name='worker-filter-checkbox']:checked").map(function() { return $(this).val(); }).get()
+    );
     renderShiftTimetable();
 });
 
 // Patch renderShiftTimetable to filter workers in both linear and grid views
 function renderShiftTimetable() {
+    console.log("Render shift timetable");
+    console.log(workerFilterSet)
     $("#shift-timetable-div").empty();
     if (selectedShifts.size === 0) return;
+    if (workerFilterSet.size === 0) return;
 
-    // Helper: returns true if worker name matches filter
-    function workerMatchesFilter(workerName) {
-        if (!workerFilterValue) return true;
-        return workerName.toLowerCase().includes(workerFilterValue);
+    // Helper: returns true if worker id matches filter set or set is empty (all)
+    function workerMatchesFilter(workerId) {
+        if (workerFilterSet.size === 0) return true;
+        return workerFilterSet.has(workerId);
     }
 
     if (!gridViewEnabled) {
@@ -553,7 +593,8 @@ function renderShiftTimetable() {
             }).each((n, td) => {
                 let workerTd = $(td).closest("tr").children("td:first");
                 let workerName = workerTd.find("span.name").text().trim();
-                if (!workerMatchesFilter(workerName)) return;
+                let workerId = workerTd.attr("data-worker-id");
+                if (!workerMatchesFilter(workerId)) return;
                 let cell_shifts = $(td).attr("data-shift").split(",").map(s => s.trim());
                 let matchedShifts = Array.from(selectedShifts).filter(s => cell_shifts.includes(s));
                 let color = "#fff";
@@ -590,9 +631,9 @@ function renderShiftTimetable() {
     let workerIdToName = {};
     $("table#main-table td.worker").each(function () {
         let workerId = $(this).attr("data-worker-id");
+        let workerName = $(this).find("span.name").text().trim();
         if (workerId && !workerIds.includes(workerId)) {
-            let workerName = $(this).find("span.name").text().trim();
-            if (workerMatchesFilter(workerName)) {
+            if (workerMatchesFilter(workerId)) {
                 workerIds.push(workerId);
                 workerIdToName[workerId] = workerName;
             }
@@ -650,6 +691,21 @@ function renderShiftTimetable() {
     $("#shift-timetable-div").append(gridTable);
 }
 
+// Re-render worker checkboxes after timetable is updated (in case workers change)
+function rerenderWorkerCheckboxesIfNeeded() {
+    $("#shift-timetable-worker-filter").remove();
+    renderWorkerCheckboxes();
+    // Restore checked state
+    $("input[name='worker-filter-checkbox']").each(function() {
+        if (workerFilterSet.has($(this).val())) {
+            $(this).prop("checked", true);
+        }
+    });
+}
+
+// Call this after timetable is (re)rendered if needed
+rerenderWorkerCheckboxesIfNeeded();
+
 // Patch the timetable button logic to use renderShiftTimetable
 oshifts.forEach((shift) => {
     let button = $(`<button data-shift='${shift}'>${shift}</button>`);
@@ -676,6 +732,19 @@ oshifts.forEach((shift) => {
 
     $("#shift-timetable-options").append(button);
 });
+
+
+// Add help text to the shift timetable section
+$("#shift-timetable-options").prepend(`
+    <details id="shift-timetable-help" style="margin-bottom:8px; font-size: 0.95em; color: #444;">
+        <summary><b>Shift Timetables Help:</b></summary>
+        <ul style="margin: 4px 0 0 18px; padding: 0;">
+            <li>Select one or more shifts below to view which workers are assigned on each day.</li>
+            <li>Use the colour pickers to customise shift colours in the timetable and main table.</li>
+            <li>Toggle between linear and grid view using the "Toggle Linear/Grid View" button.</li>
+        </ul>
+    </details>
+`);
 //$("table.summary")
 
 // $("body").prepend("<div id='global-settings'>Settings:<br />Customise training days lost per shift (you need to press recalculate for changes to take effect)<form></form></div>")