event log: add pagination

1 files changed, 29 insertions, 13 deletions

diff --git a/js/PrefHelpers.js b/js/PrefHelpers.js
index 0780fb708..57dff2333 100644
--- a/js/PrefHelpers.js
+++ b/js/PrefHelpers.js
@@ -50,21 +50,37 @@ const	Helpers = {
 
 		return false;
 	},
-	updateEventLog: function() {
-		xhrPost("backend.php", { op: "pref-system", severity: dijit.byId("severity").attr('value') }, (transport) => {
-			dijit.byId('systemConfigTab').attr('content', transport.responseText);
-			Notify.close();
-		});
-	},
-	clearEventLog: function() {
-		if (confirm(__("Clear event log?"))) {
+	EventLog: {
+		log_page: 0,
+		refresh: function() {
+			this.log_page = 0;
+			this.update();
+		},
+		update: function() {
+			xhrPost("backend.php", { op: "pref-system", severity: dijit.byId("severity").attr('value'), page: Helpers.EventLog.log_page }, (transport) => {
+				dijit.byId('systemConfigTab').attr('content', transport.responseText);
+				Notify.close();
+			});
+		},
+		nextPage: function()  {
+			this.log_page += 1;
+			this.update();
+		},
+		prevPage: function() {
+			if (this.log_page > 0) this.log_page -= 1;
 
-			Notify.progress("Loading, please wait...");
+			this.update();
+		},
+		clear: function() {
+			if (confirm(__("Clear event log?"))) {
 
-			xhrPost("backend.php", {op: "pref-system", method: "clearLog"}, () => {
-				this.updateEventLog();
-			});
-		}
+				Notify.progress("Loading, please wait...");
+
+				xhrPost("backend.php", {op: "pref-system", method: "clearLog"}, () => {
+					Helpers.EventLog.refresh();
+				});
+			}
+		},
 	},
 	editProfiles: function() {