Focusing Alert log cell using next, prev button

Author: Dokyeongyun

src/main/java/root/javafx/Controller/AlertLogMonitoringMenuController.java

@@ -260,6 +260,39 @@ public void monitoringAlertLog(ActionEvent e) throws Exception {
 		summaryNodataAP.toBack();
 	}
 
+	public void prevAlertLog(ActionEvent e) {
+		String input = navigatorTF.getText();
+		if (!validateAlertLogNavigatorInput(input)) {
+			return;
+		}
+
+		int toIndex = Integer.parseInt(input) - 1;
+		if (toIndex == 0) {
+			updateStatusMessage("첫번째 Log입니다.");
+			return;
+		}
+		
+		navigatorTF.setText(String.valueOf(toIndex));
+		focusAlertLog(e);
+	}
+
+	public void nextAlertLog(ActionEvent e) {
+		String input = navigatorTF.getText();
+		if (!validateAlertLogNavigatorInput(input)) {
+			return;
+		}
+
+		
+		int toIndex = Integer.parseInt(input) + 1;
+		if (toIndex > alertLogLV.getItems().size()) {
+			updateStatusMessage("마지막 Log입니다.");
+			return;
+		}
+		
+		navigatorTF.setText(String.valueOf(toIndex));
+		focusAlertLog(e);
+	}
+
 	public void focusAlertLog(Event e) {
 		String input = navigatorTF.getText();
 		if (!validateAlertLogNavigatorInput(input)) {

src/main/resources/fxml/AlertLogMonitoringMenu.fxml

@@ -239,15 +239,15 @@
                                                       </Label>
                                                       <HBox alignment="CENTER_LEFT" layoutY="39.20000076293945" style="-fx-border-color: #e1e1e1; -fx-border-width: 0.5px;" AnchorPane.bottomAnchor="0.0" AnchorPane.leftAnchor="0.0" AnchorPane.rightAnchor="0.0" AnchorPane.topAnchor="42.0">
                                                          <children>
-                                                            <JFXButton contentDisplay="GRAPHIC_ONLY">
+                                                            <JFXButton contentDisplay="GRAPHIC_ONLY" onAction="#prevAlertLog">
                                                                <graphic>
                                                                   <FontAwesomeIconView fill="#3c4584" glyphName="ARROW_CIRCLE_LEFT" size="20" strokeMiterLimit="0.0" tabSize="0" />
                                                                </graphic>
                                                                <HBox.margin>
                                                                   <Insets left="10.0" />
                                                                </HBox.margin>
                                                             </JFXButton>
-                                                            <JFXButton contentDisplay="GRAPHIC_ONLY">
+                                                            <JFXButton contentDisplay="GRAPHIC_ONLY" onAction="#nextAlertLog">
                                                                <graphic>
                                                                   <FontAwesomeIconView fill="#3c4584" glyphName="ARROW_CIRCLE_RIGHT" size="20" strokeMiterLimit="0.0" tabSize="0" />
                                                                </graphic>