From 35889b3c192beaa997aa46a17aa75c5d1582c1e8 Mon Sep 17 00:00:00 2001
From: leewyatt <leewyatt7788@gmail.com>
Date: Fri, 13 Dec 2024 02:28:29 +0900
Subject: [PATCH] Enforce DATE_RANGE mode in DateRangeView selection model.

Added a listener to ensure only DATE_RANGE mode is supported in the selection model. Throwing an exception for unsupported modes to prevent invalid configurations and potential misuse.
---
 .../main/java/com/dlsc/gemsfx/daterange/DateRangeView.java   | 5 +++++
 1 file changed, 5 insertions(+)

diff --git a/gemsfx/src/main/java/com/dlsc/gemsfx/daterange/DateRangeView.java b/gemsfx/src/main/java/com/dlsc/gemsfx/daterange/DateRangeView.java
index 290488a4..6003333e 100644
--- a/gemsfx/src/main/java/com/dlsc/gemsfx/daterange/DateRangeView.java
+++ b/gemsfx/src/main/java/com/dlsc/gemsfx/daterange/DateRangeView.java
@@ -40,6 +40,11 @@ public DateRangeView() {
 
         selectionModel = new SelectionModel();
         selectionModel.setSelectionMode(SelectionModel.SelectionMode.DATE_RANGE);
+        selectionModel.selectionModeProperty().addListener(it -> {
+            if (selectionModel.getSelectionMode() != SelectionModel.SelectionMode.DATE_RANGE) {
+                throw new UnsupportedOperationException("SINGLE_DATE and MULTIPLE_DATES modes are not supported");
+            }
+        });
 
         startCalendarView = getStartCalendarView();
         startCalendarView.setSelectionModel(selectionModel);