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Add horizontal scroll and Reset button to 4.0.0 Monitor #6579

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Add horizontal scroll and Reset button to 4.0.0 Monitor #6579

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3b3eb0e
Add horizontal scroll to tables that go off screen
Amemeda Oct 2, 2026
6ec460a
Correct implementation for scrollX on DataTables that are too wide
Amemeda Oct 5, 2026
42bae53
Add custom button Reset to DataTables layout
Amemeda Oct 5, 2026
6958e86
Format Reset button function
Amemeda Oct 5, 2026
b1e491c
Update Reset button action to make it actually reset columns
Amemeda Oct 6, 2026
4efd000
Change ordering to order
Amemeda Oct 6, 2026
f48d94d
Update tooltip on Reset button
Amemeda Oct 22, 2026
0c8e966
WIP solution for misaligned column body
Amemeda Oct 22, 2026
a42daee
WIP solution for misaligned column body
Amemeda Oct 22, 2026
e3ac4bf
WIP save the scroll position of the scrollable dataTable
Amemeda Oct 23, 2026
275e278
Fix misaligned DataTables header and body when table is scrollable
Amemeda Oct 26, 2026
8c24885
Stop datatable from resetting scroll position on autorefresh
Amemeda Oct 29, 2026
86bf4f8
Formatting
Amemeda Oct 29, 2026
8bc317e
Correct state of dataTableColKeys
Amemeda Oct 29, 2026
e2c9826
Correct fix for horizontal scroll that doesnt widen columns
Amemeda Oct 30, 2026
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9 changes: 7 additions & 2 deletions server/monitor/src/main/resources/org/apache/accumulo/monitor/resources/css/screen.css
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Original file line number Diff line number Diff line change
Expand Up @@ -132,8 +132,8 @@ table {

.table-bordered th,
.table-bordered td {
border: 1px solid light-dark(#ddd, #444) !important;
}
border: 1px solid light-dark(#ddd, #444) !important;
}

table.sortable {
border-left: 0;
Expand Down Expand Up @@ -169,6 +169,11 @@ th {
vertical-align: bottom;
}

/* scroll DataTables horizontally without splitting header and body into separate tables */
.dt-layout-table > div {
overflow-x: auto;
}

td.firstcell {
border-left: 0;
}
Expand Down
32 changes: 28 additions & 4 deletions ...itor/src/main/resources/org/apache/accumulo/monitor/resources/js/server_process_common.js
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Original file line number Diff line number Diff line change
Expand Up @@ -61,6 +61,7 @@
*/

var dataTableRefs = new Map();
var dataTableColKeys = new Map();

/**
* This function returns the entire response from session storage
Expand Down Expand Up @@ -150,9 +151,16 @@ function getDataTableCols(storageKey) {
* and executes an ajax method to load the data.
*/
function refreshTable(table, storageKey) {
var dataTableRef = dataTableRefs.get(table);
var colsKey = JSON.stringify(getStoredColumns(storageKey));

// If column data has not changed, only reload the rows so scroll position and column state do not reset
if (dataTableRef != null && dataTableColKeys.get(table) === colsKey) {
ajaxReloadTable(dataTableRef);
return;
}

// Destroy the DataTable
var dataTableRef = dataTableRefs.get(table);
if (dataTableRef != null) {
dataTableRef.destroy();
}
Expand Down Expand Up @@ -182,6 +190,7 @@ function refreshTable(table, storageKey) {
dataTableRef = createDataTable(table, storageKey);
ajaxReloadTable(dataTableRef);
dataTableRefs.set(table, dataTableRef);
dataTableColKeys.set(table, colsKey);
}

/**
Expand Down Expand Up @@ -253,9 +262,24 @@ function createDataTable(table, storageKey) {
});
},
"buttons": [{
"extend": 'colvis',
"text": '<i class="bi bi-gear"></i>',
"titleAttr": 'Columns'
"extend": 'colvis',
"text": '<i class="bi bi-gear"></i>',
"titleAttr": 'Columns',
},
{
"extend": 'spacer'
},
{
"text": 'Reset',
"titleAttr": 'Reset column selection and column order',
action: function (e, table) {
// reset column selection
table.columns().visible(true);
// reset column order
if (table.colReorder) {
table.colReorder.reset();
}
}
}],
"layout": {
"topStart": "pageLength",
Expand Down
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