feat: implement sortable columns with visual indicators and sorting l…

adminforth/spa/src/afcl/Table.vue

@@ -4,13 +4,28 @@
       <table class="afcl-table w-full text-sm text-left rtl:text-right text-lightTableText dark:text-darkTableText overflow-x-auto">
           <thead class="afcl-table-thread text-xs text-lightTableHeadingText uppercase bg-lightTableHeadingBackground dark:bg-darkTableHeadingBackground dark:text-darkTableHeadingText">
             <tr>
-              <th scope="col" class="px-6 py-3" ref="headerRefs" :key="`header-${column.fieldName}`"
+              <th
+                scope="col"
+                class="px-6 py-3"
+                ref="headerRefs"
+                :key="`header-${column.fieldName}`"
                 v-for="column in columns"
+                :aria-sort="getAriaSort(column)"
+                :class="{ 'cursor-pointer select-none afcl-table-header-sortable': isColumnSortable(column) }"
+                @click="onHeaderClick(column)"
               >
                 <slot v-if="$slots[`header:${column.fieldName}`]" :name="`header:${column.fieldName}`" :column="column" />
-                
-                <span v-else>
+
+                <span v-else class="inline-flex items-center">
                   {{ column.label }}
+                  <span v-if="isColumnSortable(column)" class="text-lightTableHeadingText dark:text-darkTableHeadingText">
+                    <!-- Unsorted indicator -->
+                    <svg v-if="!isSorted(column)" class="w-3 h-3 ms-1.5 opacity-30" aria-hidden="true" xmlns="http://www.w3.org/2000/svg" fill="currentColor" viewBox="0 0 24 24"><path d="M8.574 11.024h6.852a2.075 2.075 0 0 0 1.847-1.086 1.9 1.9 0 0 0-.11-1.986L13.736 2.9a2.122 2.122 0 0 0-3.472 0L6.837 7.952a1.9 1.9 0 0 0-.11 1.986 2.074 2.074 0 0 0 1.847 1.086Zm6.852 1.952H8.574a2.072 2.072 0 0 0-1.847 1.087 1.9 1.9 0 0 0 .11 1.985l3.426 5.05a2.123 2.123 0 0 0 3.472 0l3.427-5.05a1.9 1.9 0 0 0 .11-1.985 2.074 2.074 0 0 0-1.846-1.087Z"></path></svg>
+                    <!-- Sorted ascending indicator -->
+                    <svg v-else-if="currentSortDirection === 'asc'" class="w-3 h-3 ms-1.5" fill="currentColor" viewBox="0 0 24 24"><path d="M8.574 11.024h6.852a2.075 2.075 0 0 0 1.847-1.086 1.9 1.9 0 0 0-.11-1.986L13.736 2.9a2.122 2.122 0 0 0-3.472 0L6.837 7.952a1.9 1.9 0 0 0-.11 1.986 2.074 2.074 0 0 0 1.847 0z"></path></svg>
+                    <!-- Sorted descending indicator (rotated) -->
+                    <svg v-else class="w-3 h-3 ms-1.5 rotate-180" fill="currentColor" viewBox="0 0 24 24"><path d="M8.574 11.024h6.852a2.075 2.075 0 0 0 1.847-1.086 1.9 1.9 0 0 0-.11-1.986L13.736 2.9a2.122 2.122 0 0 0-3.472 0L6.837 7.952a1.9 1.9 0 0 0-.11 1.986 2.074 2.074 0 0 0 1.847 0z"></path></svg>
+                  </span>
                 </span>
               </th>
             </tr>
@@ -141,16 +156,21 @@
       columns: {
         label: string,
         fieldName: string,
+        sortable?: boolean,
       }[],
       data: {
         [key: string]: any,
-      }[] | ((params: { offset: number, limit: number }) => Promise<{data: {[key: string]: any}[], total: number}>),
+      }[] | ((params: { offset: number, limit: number, sortField?: string, sortDirection?: 'asc' | 'desc' }) => Promise<{data: {[key: string]: any}[], total: number}>),
       evenHighlights?: boolean,
       pageSize?: number,
       isLoading?: boolean,
+      sortable?: boolean, // enable/disable sorting globally
+      defaultSortField?: string,
+      defaultSortDirection?: 'asc' | 'desc',
     }>(), {
       evenHighlights: true,
       pageSize: 5,
+      sortable: true,
     }
   );
 
@@ -163,6 +183,8 @@
   const isLoading = ref(false);
   const dataResult = ref<{data: {[key: string]: any}[], total: number}>({data: [], total: 0});
   const isAtLeastOneLoading = ref<boolean[]>([false]);
+  const currentSortField = ref<string | undefined>(props.defaultSortField);
+  const currentSortDirection = ref<'asc' | 'desc'>(props.defaultSortDirection ?? 'asc');
 
   onMounted(() => {
     refresh();
@@ -181,6 +203,15 @@
     emit('update:tableLoading', isLoading.value || props.isLoading);
   });
 
+  watch([() => currentSortField.value, () => currentSortDirection.value], () => {
+    // reset to first page on sort change
+    if (currentPage.value !== 1) currentPage.value = 1;
+    refresh();
+    emit('update:sortField', currentSortField.value);
+    emit('update:sortDirection', currentSortField.value ? currentSortDirection.value : undefined as any);
+    emit('sort-change', { field: currentSortField.value, direction: currentSortDirection.value });
+  });
+
   const totalPages = computed(() => {
     return dataResult.value?.total ? Math.ceil(dataResult.value.total / props.pageSize) : 1;
   });
@@ -196,6 +227,9 @@
 
   const emit = defineEmits([
     'update:tableLoading',
+    'update:sortField',
+    'update:sortDirection',
+    'sort-change',
   ]);
 
   function onPageInput(event: any) {
@@ -231,7 +265,12 @@
       isLoading.value = true;
       const currentLoadingIndex = currentPage.value;
       isAtLeastOneLoading.value[currentLoadingIndex] = true;
-      const result = await props.data({ offset: (currentLoadingIndex - 1) * props.pageSize, limit: props.pageSize });
+      const result = await props.data({
+        offset: (currentLoadingIndex - 1) * props.pageSize,
+        limit: props.pageSize,
+        sortField: currentSortField.value,
+        sortDirection: currentSortDirection.value,
+      });
       isAtLeastOneLoading.value[currentLoadingIndex] = false;
       if (isAtLeastOneLoading.value.every(v => v === false)) {
         isLoading.value = false;
@@ -240,7 +279,9 @@
     } else if (typeof props.data === 'object' && Array.isArray(props.data)) {
       const start = (currentPage.value - 1) * props.pageSize;
       const end = start + props.pageSize;
-      dataResult.value = { data: props.data.slice(start, end), total: props.data.length };
+      const total = props.data.length;
+      const sorted = sortArrayData(props.data, currentSortField.value, currentSortDirection.value);
+      dataResult.value = { data: sorted.slice(start, end), total };
     }
   }
 
@@ -252,4 +293,63 @@
     }
   }
 
+  function isColumnSortable(column: { fieldName: string; sortable?: boolean }) {
+    return !!props.sortable && column.sortable !== false;
+  }
+
+  function isSorted(column: { fieldName: string }) {
+    return currentSortField.value === column.fieldName;
+  }
+
+  function getAriaSort(column: { fieldName: string; sortable?: boolean }) {
+    if (!isColumnSortable(column)) return undefined;
+    if (!isSorted(column)) return 'none';
+    return currentSortDirection.value === 'asc' ? 'ascending' : 'descending';
+  }
+
+  function onHeaderClick(column: { fieldName: string; sortable?: boolean }) {
+    if (!isColumnSortable(column)) return;
+    if (currentSortField.value !== column.fieldName) {
+      currentSortField.value = column.fieldName;
+      currentSortDirection.value = props.defaultSortDirection ?? 'asc';
+    } else {
+      if (currentSortDirection.value === 'asc') {
+        currentSortDirection.value = 'desc';
+      } else if (currentSortDirection.value === 'desc') {
+        currentSortField.value = undefined;
+        currentSortDirection.value = props.defaultSortDirection ?? 'asc';
+      } else {
+        currentSortDirection.value = 'asc';
+      }
+    }
+  }
+
+  function getValueByPath(obj: any, path: string | undefined) {
+    if (!path) return undefined;
+    return path.split('.').reduce((acc: any, key: string) => (acc == null ? acc : acc[key]), obj);
+  }
+
+  function compareValues(a: any, b: any) {
+    if (a == null && b == null) return 0;
+    if (a == null) return 1;
+    if (b == null) return -1;
+    if (typeof a === 'number' && typeof b === 'number') return a - b;
+    const aDate = a instanceof Date ? a : undefined;
+    const bDate = b instanceof Date ? b : undefined;
+    if (aDate && bDate) return aDate.getTime() - bDate.getTime();
+    return String(a).localeCompare(String(b), undefined, { numeric: true, sensitivity: 'base' });
+  }
+
+  function sortArrayData(data: { [key: string]: any }[], sortField?: string, sortDirection: 'asc' | 'desc' = 'asc') {
+    if (!props.sortable || !sortField) return data;
+    const copy = data.slice();
+    copy.sort((rowA, rowB) => {
+      const aVal = getValueByPath(rowA, sortField);
+      const bVal = getValueByPath(rowB, sortField);
+      const cmp = compareValues(aVal, bVal);
+      return sortDirection === 'asc' ? cmp : -cmp;
+    });
+    return copy;
+  }
+
 </script>