ntopng/http_src/utilities/datatable/bootstrap-datatable-utils.js
Matteo Biscosi 4e31f600f6 Revert "Added Vite to frontend builds"
This reverts commit 2b5d2d7949.
2025-05-22 15:32:21 +02:00

311 lines
11 KiB
JavaScript

// 2016-19 - ntop.org
export function datatableRemoveEmptyRow(table) {
$("tbody tr.emptyRow", $(table)).remove();
}
export function datatableAddEmptyRow(table, empty_str) {
var columns = $("thead th", $(table)).filter(function() {
return $(this).css('display') != 'none';
}).length;
$("tbody", $(table)).html('<tr class="emptyRow"><td colspan="' + columns + '"><i>' + empty_str + '</i></td></tr>');
}
export function datatableGetNumDisplayedItems(table) {
return $("tr:not(.emptyRow)", $(table)).length - 1;
}
export function datatableIsEmpty(table) {
return datatableGetNumDisplayedItems(table) == 0;
}
export function datatableGetByForm(form) {
return $("table", $("#dt-top-details", $(form)).parent())
}
export function datatableUndoAddRow(new_row, empty_str, bt_to_enable, callback_str) {
if (bt_to_enable)
$(bt_to_enable).removeAttr("disabled").removeClass("disabled");
var form = $(new_row).closest("form");
$(new_row).remove();
aysUpdateForm(form);
var dt = datatableGetByForm(form);
if (datatableIsEmpty(dt))
datatableAddEmptyRow(dt, empty_str);
if (callback_str)
// invoke
window[callback_str](new_row);
}
export function datatableForEachRow(table, callbacks) {
$("tr:not(:first)", table).each(function(row_i) {
if(typeof callbacks === 'function') {
callbacks.bind(this)(row_i);
} else {
var i;
for (i=0; i<callbacks.length; i++)
callbacks[i].bind(this)(row_i);
}
});
}
export function datatableAddButtonCallback(td_idx, label, bs_class, callback_str, link, visible = true, title = '') {
if ($("td:nth-child("+td_idx+")", $(this)).find('div.d-flex').length == 0) {
$("td:nth-child("+td_idx+")", $(this)).empty();
$("td:nth-child("+td_idx+")", $(this)).append($("<div class='d-flex justify-content-center'></div>"));
}
$("td:nth-child("+td_idx+")", $(this)).find('.d-flex').append('<a href="' + link + `" title='${title}' data-placement="bottom" class="btn btn-sm mx-1 ${bs_class} ${!visible ? 'disabled' : ''}" onclick="` + callback_str + '" role="button">' + label + '</a>');
}
export function datatableAddDeleteButtonCallback(td_idx, callback_str, label) {
datatableAddButtonCallback.bind(this)(td_idx, label, "btn-danger", callback_str, "javascript:void(0)", true, 'Delete');
}
export function datatableAddActionButtonCallback(td_idx, callback_str, label, visible = true, title = '') {
datatableAddButtonCallback.bind(this)(td_idx, label, "btn-info", callback_str, "javascript:void(0)", visible, title);
}
export function datatableAddFilterButtonCallback(td_idx, callback_str, label, title = '', visible = true) {
datatableAddButtonCallback.bind(this)(td_idx, label, "btn-warning", callback_str, "javascript:void(0)", visible, title);
}
export function datatableAddLinkButtonCallback(td_idx, link, label, title = '') {
datatableAddButtonCallback.bind(this)(td_idx, label, "btn-primary", "", link, true, title);
}
export function datatableMakeSelectUnique(tr_obj, added_rows_prefix, options) {
options = NtopUtils.paramsExtend({
on_change: $.noop, /* A callback to be called when the select input changes */
selector_fn: function(obj) { /* A callback which receives a tr object and returns a single select input */
return obj.find("select").first();
},
}, options);
function datatableForeachSelectOtherThan(this_select, added_rows_prefix, selector_fn, callback) {
$("[id^=" + added_rows_prefix + "]").each(function(){
var other = selector_fn($(this));
if (other[0] != this_select[0])
callback(other);
});
}
function datatableOptionChangeStatus(option_obj, enable) {
if (enable) {
option_obj.removeAttr("disabled");
} else {
var select_obj = option_obj.closest("select");
var should_reset = (select_obj.val() == option_obj.val());
option_obj.attr("disabled", "disabled");
if(should_reset) {
var new_val = select_obj.find("option:not([disabled])").first().val();
select_obj.val(new_val);
select_obj.attr("data-old-val", new_val);
}
}
}
function datatableOnSelectEntryChange(added_rows_prefix, selector_fn, change_callback) {
var old_value = $(this).attr("data-old-val") || "";
var new_value = $(this).val() || "";
var others = [];
if (old_value == new_value)
old_value = "";
datatableForeachSelectOtherThan($(this), added_rows_prefix, selector_fn, function(other) {
datatableOptionChangeStatus(other.find("option[value='" + old_value + "']"), true);
datatableOptionChangeStatus(other.find("option[value='" + new_value + "']"), false);
others.push(other);
});
change_callback($(this), old_value, new_value, others, datatableOptionChangeStatus);
$(this).attr("data-old-val", new_value);
}
function datatableOnAddSelectEntry(select_obj, added_rows_prefix, selector_fn) {
select_obj.val("");
// Trigger an update on other inputs in order to disable entries on the select_obj
datatableForeachSelectOtherThan(select_obj, added_rows_prefix, selector_fn, function(other) {
//datatableOptionChangeStatus(select_obj.find("option[value='" + other.val() + "']"), false);
other.trigger("change");
});
// select first available entry
var new_sel = select_obj.find("option:not([disabled])").first();
var new_val = new_sel.val();
// trigger change event to update other entries
select_obj.val(new_val);
select_obj.trigger("change");
}
var select = options.selector_fn(tr_obj);
select.on("change", function() { datatableOnSelectEntryChange.bind(this)(added_rows_prefix, options.selector_fn, options.on_change); });
select.on("remove", function() {$(this).val("").trigger("change")});
datatableOnAddSelectEntry(select, added_rows_prefix, options.selector_fn);
}
export function datatableIsLastPage(table) {
var lastpage = $("#dt-bottom-details .pagination li:nth-last-child(3)", $(table));
return !((lastpage.length == 1) && (lastpage.hasClass("active") == false));
}
export function datatableGetColumn(table, id_key, id_value) {
var res = table.data("datatable").resultset.data.filter(function(item) {
return item[id_key] === id_value;
});
if(res) return res[0];
}
export function datatableGetColumnIndex(table, column_key) {
var index = table.data("datatable").options.columns.findIndex(function(item) {
return item.field === column_key;
});
return(index);
}
/*
* Helper function to add refreshable datatables rows.
*
* table: the datatable div jquery object
* column_id: the field key used to indentify the rows
* refresh_interval: milliseconds refresh interval for this table
* trend_columns: (optional) a map <field -> formatter_fn> which indicates the numeric columns
* which should be shown with up/down arrows upon refresh.
*
* Returns true on success, false otherwise.
*
* Example usage:
* $("#table-redis-stats").datatable({
* ...
* tableCallback: function() {
* // The table rows will be identified by the "column_key",
* // refreshed every 5 seconds, with up/down arrows on the "column_hits"
* datatableInitRefreshRows($("#table-redis-stats"), "column_key", 5000, {"column_hits": addCommas});
* }
* });
*/
export function datatableInitRefreshRows(table, column_id, refresh_interval, trend_columns) {
var $dt = table.data("datatable");
var rows = $dt.resultset.data;
var old_timer = table.data("dt-rr-timer");
var old_req = table.data("dt-rr-ajax");
trend_columns = trend_columns || {};
if(old_timer) {
// Remove the previously set timer to avoid double scheduling
clearInterval(old_timer);
table.removeData("dt-rr-timer");
}
if(old_req) {
// Abort the previous request if any
old_req.abort();
table.removeData("dt-rr-ajax");
}
var ids = [];
var id_to_row = {};
for(var row in rows) {
var data = rows[row];
if(data[column_id]) {
var data_id = data[column_id];
id_to_row[data_id] = row;
ids.push(data_id);
}
}
// These parameters will be passed to the refresh endpoint
// the custom_hosts parameter will be passed in the AJAX request and
// will contain the IDs to refresh. It should be used by the receiving
// Lua script as a filter
var params = {
"custom_hosts": ids.join(",")
};
var url = $dt.options.url;
var first_load = true;
var _process_result = function(result) {
if(typeof(result) === "string")
result = JSON.parse(result);
if(!result) {
console.error("Bad JSON result");
return;
}
for(var row in result.data) {
var data = result.data[row];
var data_id = data[column_id];
if(data_id && id_to_row[data_id]) {
var row_idx = id_to_row[data_id];
var row_html = $dt.rows[row_idx];
var row_tds = $("td", row_html);
/* Try to update all the fields for the current row (row_html) */
for(var key in data) {
var col_idx = datatableGetColumnIndex(table, key);
var cell = row_tds[col_idx];
var $cell = $(cell);
var old_val = $cell.data("dt-rr-cur-val") || $(cell).html();
var trend_value_formatter = trend_columns[key];
var new_val = data[key];
var arrows = "";
if(trend_value_formatter) {
if(parseFloat(new_val) != new_val)
console.warn("Invalid number: " + new_val);
if(!first_load)
arrows = " " + NtopUtils.drawTrend(parseFloat(new_val), parseFloat(old_val));
// This value will be neede in the next refresh
$cell.data("dt-rr-cur-val", new_val);
new_val = trend_value_formatter(new_val);
}
$(cell).html((new_val != 0) ? (new_val + arrows) : "");
}
}
}
first_load = false;
table.removeData("dt-rr-ajax");
};
// Save the timer into "dt-rr-timer" to be able to stop it if
// datatableInitRefreshRows is called again
table.data("dt-rr-timer", setInterval(function() {
// Double check that a request is not pending
var old_req = table.data("dt-rr-ajax");
if(old_req)
return;
// Save the ajax request to possibly abort it if
// datatableInitRefreshRows is called again
table.data("dt-rr-ajax", $.ajax({
type: 'GET',
url: url,
data: params,
cache: false,
success: _process_result,
}));
}, refresh_interval));
// First update
_process_result($dt.resultset);
}