Merged in fix_responsive_cart (pull request #413)

<miqdad> Fix unresponsive cart

1 files changed, 90 insertions, 0 deletions

diff --git a/src-migrate/utils/checkBoxState.js b/src-migrate/utils/checkBoxState.js
new file mode 100644
index 00000000..9568c321
--- /dev/null
+++ b/src-migrate/utils/checkBoxState.js
@@ -0,0 +1,90 @@
+/**
+ * State manager for checkbox updates
+ * Tracks global and individual checkbox update states
+ */
+class CheckboxUpdateState {
+  constructor() {
+    this.updateCount = 0;
+    this.listeners = new Set();
+    this.updatingCheckboxIds = new Set();
+  }
+
+  // Global update state (for buttons quotation and checkout)
+  isUpdating() {
+    return this.updateCount > 0;
+  }
+
+  // Individual checkbox state
+  isCheckboxUpdating(itemId) {
+    return this.updatingCheckboxIds.has(String(itemId));
+  }
+
+  // Start update
+  startUpdate(itemId = null) {
+    this.updateCount++;
+
+    if (itemId !== null) {
+      this.updatingCheckboxIds.add(String(itemId));
+    }
+
+    this.notifyListeners();
+    return this.updateCount;
+  }
+
+  // End update
+  endUpdate(itemId = null) {
+    this.updateCount = Math.max(0, this.updateCount - 1);
+
+    if (itemId !== null) {
+      this.updatingCheckboxIds.delete(String(itemId));
+    }
+
+    this.notifyListeners();
+    return this.updateCount;
+  }
+
+  // Reset all states
+  reset() {
+    this.updateCount = 0;
+    this.updatingCheckboxIds.clear();
+    this.notifyListeners();
+  }
+
+  // Listener management
+  addListener(callback) {
+    if (typeof callback === 'function') {
+      this.listeners.add(callback);
+      // Immediate callback with current state
+      callback(this.isUpdating());
+    }
+  }
+
+  removeListener(callback) {
+    this.listeners.delete(callback);
+  }
+
+  // Debug helpers
+  getUpdateCount() {
+    return this.updateCount;
+  }
+
+  getUpdatingCheckboxIds() {
+    return [...this.updatingCheckboxIds];
+  }
+
+  // Private method to notify listeners
+  notifyListeners() {
+    const isUpdating = this.isUpdating();
+
+    this.listeners.forEach((listener) => {
+      try {
+        listener(isUpdating);
+      } catch (error) {
+        console.error('Checkbox update state listener error:', error);
+      }
+    });
+  }
+}
+
+const checkboxUpdateState = new CheckboxUpdateState();
+export default checkboxUpdateState;