support custom quick save button styles on the mobile transaction edit page

src/core/transaction.ts

@@ -67,6 +67,38 @@ export class TransactionTagFilterType implements TypeAndName {
     }
 }
 
+export class TransactionQuickSaveButtonStyle implements TypeAndName {
+    private static readonly allInstances: TransactionQuickSaveButtonStyle[] = [];
+    private static readonly allInstancesByType: Record<number, TransactionQuickSaveButtonStyle> = {};
+
+    public static readonly Disabled = new TransactionQuickSaveButtonStyle(0, 'Disabled');
+    public static readonly BottomFixed = new TransactionQuickSaveButtonStyle(1, 'Bottom Fixed');
+    public static readonly BottomLeftFloating = new TransactionQuickSaveButtonStyle(2, 'Bottom Left Floating');
+    public static readonly BottomCenterFloating = new TransactionQuickSaveButtonStyle(3, 'Bottom Center Floating');
+    public static readonly BottomRightFloating = new TransactionQuickSaveButtonStyle(4, 'Bottom Right Floating');
+
+    public static readonly Default = TransactionQuickSaveButtonStyle.BottomRightFloating;
+
+    public readonly type: number;
+    public readonly name: string;
+
+    private constructor(type: number, name: string) {
+        this.type = type;
+        this.name = name;
+
+        TransactionQuickSaveButtonStyle.allInstances.push(this);
+        TransactionQuickSaveButtonStyle.allInstancesByType[type] = this;
+    }
+
+    public static values(): TransactionQuickSaveButtonStyle[] {
+        return TransactionQuickSaveButtonStyle.allInstances;
+    }
+
+    public static valueOf(type: number): TransactionQuickSaveButtonStyle | undefined {
+        return TransactionQuickSaveButtonStyle.allInstancesByType[type];
+    }
+}
+
 export class TransactionQuickAddButtonActionType implements TypeAndName {
     private static readonly allInstances: TransactionQuickAddButtonActionType[] = [];
     private static readonly allInstancesByType: Record<number, TransactionQuickAddButtonActionType> = {};