feat: DataGrid 페이징 로직 추가

SmartAquaViewer/Classes/Converter.cs

@@ -40,4 +40,13 @@ namespace SmartAquaViewer.Classes
         public object ConvertBack(object value, Type targetType, object parameter, CultureInfo culture)
             => !(value is bool b && b);
     }
+
+    public class OneBasedConverter : IValueConverter
+    {
+        public object Convert(object value, Type t, object p, CultureInfo c) =>
+            value is int i ? (i + 1).ToString() : "1";
+        public object ConvertBack(object value, Type t, object p, CultureInfo c) =>
+            int.TryParse(value?.ToString(), out var v) ? Math.Max(1, v) - 1 : 0;
+    }
+
 }

SmartAquaViewer/Classes/DataGridAutoBuilder.cs

@@ -1,96 +0,0 @@
-using System;
-using System.Collections.Generic;
-using System.Linq;
-using System.Reflection;
-using System.Text;
-using System.Threading.Tasks;
-using System.Windows.Controls;
-using System.Windows.Data;
-using System.Windows;
-
-namespace SmartAquaViewer.Classes
-{
-    public static class DataGridAutoBuilder
-    {
-        public static void BuildColumnsFromType<T>(DataGrid grid, IEnumerable<T> items,
-            Dictionary<string, string> headerMap = null, string dateFormat = "yyyy-MM-dd HH:mm:ss")
-        {
-            grid.Columns.Clear();
-            var props = typeof(T).GetProperties(BindingFlags.Public | BindingFlags.Instance);
-
-            foreach (var p in props)
-            {
-                DataGridColumn col = CreateColumnForProperty(p, headerMap, dateFormat);
-                if (col != null) grid.Columns.Add(col);
-            }
-
-            grid.ItemsSource = items;
-        }
-
-        private static DataGridColumn CreateColumnForProperty(PropertyInfo p,
-            Dictionary<string, string> headerMap, string dateFormat)
-        {
-            string header = headerMap != null && headerMap.TryGetValue(p.Name, out var h) ? h : p.Name;
-            var type = Nullable.GetUnderlyingType(p.PropertyType) ?? p.PropertyType;
-
-            // bool → CheckBox
-            if (type == typeof(bool))
-            {
-                return new DataGridCheckBoxColumn
-                {
-                    Header = header,
-                    Binding = new Binding(p.Name) { Mode = BindingMode.TwoWay }
-                };
-            }
-
-            // enum → ComboBox(읽기/쓰기)
-            if (type.IsEnum)
-            {
-                return new DataGridComboBoxColumn
-                {
-                    Header = header,
-                    ItemsSource = Enum.GetValues(type),
-                    SelectedItemBinding = new Binding(p.Name) { Mode = BindingMode.TwoWay }
-                };
-            }
-
-            // DateTime → 포맷
-            if (type == typeof(DateTime))
-            {
-                return new DataGridTextColumn
-                {
-                    Header = header,
-                    Binding = new Binding(p.Name)
-                    {
-                        Mode = BindingMode.TwoWay,
-                        StringFormat = dateFormat
-                    }
-                };
-            }
-
-            // 숫자 → 우측정렬
-            if (type == typeof(int) || type == typeof(long) ||
-                type == typeof(float) || type == typeof(double) || type == typeof(decimal))
-            {
-                var col = new DataGridTextColumn
-                {
-                    Header = header,
-                    Binding = new Binding(p.Name) { Mode = BindingMode.TwoWay, UpdateSourceTrigger = UpdateSourceTrigger.PropertyChanged }
-                };
-                col.ElementStyle = new Style(typeof(TextBlock))
-                {
-                    Setters = { new Setter(TextBlock.TextAlignmentProperty, TextAlignment.Right) }
-                };
-                return col;
-            }
-
-            // 기본(문자 등)
-            return new DataGridTextColumn
-            {
-                Header = header,
-                Binding = new Binding(p.Name) { Mode = BindingMode.TwoWay, UpdateSourceTrigger = UpdateSourceTrigger.PropertyChanged }
-            };
-        }
-    }
-
-}

SmartAquaViewer/Helper/DataGridAutoPageSizeBehavior.cs

@@ -0,0 +1,62 @@
+using System;
+using System.Collections.Generic;
+using System.Linq;
+using System.Text;
+using System.Threading.Tasks;
+using System.Windows;
+using System.Windows.Controls;
+using System.Windows.Input;
+using SmartAquaViewer.ViewModel;
+
+namespace SmartAquaViewer.Helper
+{
+    public static class DataGridAutoPageSizeBehavior
+    {
+        public static readonly DependencyProperty EnableProperty =
+            DependencyProperty.RegisterAttached(
+                "Enable", typeof(bool), typeof(DataGridAutoPageSizeBehavior),
+                new PropertyMetadata(false, OnEnableChanged));
+
+        public static void SetEnable(DependencyObject d, bool v) => d.SetValue(EnableProperty, v);
+        public static bool GetEnable(DependencyObject d) => (bool)d.GetValue(EnableProperty);
+
+        // 🔹 여기! 어느 페이저를 갱신할지 바인딩으로 지정
+        public static readonly DependencyProperty PagerProperty =
+            DependencyProperty.RegisterAttached(
+                "Pager", typeof(IPager), typeof(DataGridAutoPageSizeBehavior),
+                new PropertyMetadata(null));
+
+        public static void SetPager(DependencyObject d, IPager? v) => d.SetValue(PagerProperty, v);
+        public static IPager? GetPager(DependencyObject d) => (IPager?)d.GetValue(PagerProperty);
+
+        private static void OnEnableChanged(DependencyObject d, DependencyPropertyChangedEventArgs e)
+        {
+            if (d is DataGrid dg)
+            {
+                if ((bool)e.NewValue) dg.SizeChanged += DataGrid_SizeChanged;
+                else dg.SizeChanged -= DataGrid_SizeChanged;
+            }
+        }
+
+        private static void DataGrid_SizeChanged(object sender, SizeChangedEventArgs e)
+        {
+            if (sender is not DataGrid dg) return;
+
+            // 1) 우선 명시된 Pager를 사용
+            var pager = GetPager(dg);
+
+            // 2) 없으면 DataContext에서 찾아봄 (메인 페이저 케이스)
+            pager ??= dg.DataContext as IPager;
+
+            if (pager == null || dg.RowHeight <= 0 || dg.ActualHeight <= 0) return;
+
+            double header = dg.ColumnHeaderHeight > 0 ? dg.ColumnHeaderHeight : 45;
+            double available = Math.Max(0, dg.ActualHeight - header);
+            int rows = Math.Max(1, (int)(available / dg.RowHeight));
+
+            if (pager.PageSize != rows)
+                pager.PageSize = rows; // 페이저 쪽에서 RebuildPage() 호출됨
+        }
+    }
+
+}

SmartAquaViewer/Resources/Generic.xaml

@@ -173,6 +173,7 @@
         <Setter Property="FontWeight" Value="Bold"/>
         <Setter Property="Padding" Value="3"/>
         <Setter Property="FontFamily" Value="{StaticResource SCDream6}"/>
+        <Setter Property="Height" Value="45"/>
     </Style>
     <Style x:Key="DataGridElmenetStyle" TargetType="{x:Type TextBlock}">
         <Setter Property="HorizontalAlignment" Value="Center"/>

SmartAquaViewer/View/EnegyView.xaml

@@ -7,11 +7,13 @@
              xmlns:control="clr-namespace:SmartAquaViewer.Controls"
              xmlns:helper="clr-namespace:SmartAquaViewer.Helper"
              xmlns:classes="clr-namespace:SmartAquaViewer.Classes"
+             xmlns:md="http://materialdesigninxaml.net/winfx/xaml/themes"
              mc:Ignorable="d" 
              d:DesignHeight="940" d:DesignWidth="1650">
 
     <UserControl.Resources>
         <classes:InverseBoolConverter x:Key="InverseBoolConverter"/>
+        <classes:OneBasedConverter x:Key="OneBasedConverter"/>
     </UserControl.Resources>
 
     <Border BorderBrush="#2d374c" BorderThickness="2">
@@ -20,6 +22,7 @@
                 <RowDefinition Height="160"/>
                 <RowDefinition Height="350"/>
                 <RowDefinition Height="*"/>
+                <RowDefinition Height="40"/>
             </Grid.RowDefinitions>
             <Grid.ColumnDefinitions>
                 <ColumnDefinition Width="*"/>
@@ -88,10 +91,13 @@
                 </UniformGrid>
             </Border>
 
-            <DataGrid Style="{StaticResource DataGridStyle}" ItemsSource="{Binding WaterQualityList}" Background="Transparent"
+            <DataGrid ItemsSource="{Binding PagedItems}" 
+                      Style="{StaticResource DataGridStyle}" Background="Transparent" 
                       RowStyle="{StaticResource DataGridRowStyle}" ColumnHeaderStyle="{StaticResource DataGridColumnHeaderStyle}"
-                      Grid.Row="1" Grid.RowSpan="2" Margin="15 0 15 15"
+                      helper:DataGridAutoPageSizeBehavior.Enable="True"
-                      HorizontalAlignment="Stretch" ColumnWidth="*">
+                      Grid.Row="1" Grid.RowSpan="2" Margin="15 0"
+                      HorizontalAlignment="Stretch" 
+                      ColumnWidth="*" RowHeight="30">
                 <DataGrid.Columns>
                     <DataGridTextColumn 
                         Header="시간" Width="90"
@@ -161,6 +167,36 @@
                 </DataGrid.Columns>
             </DataGrid>
 
+            <Grid Grid.Row="3" VerticalAlignment="Center">
+                <StackPanel Orientation="Horizontal" HorizontalAlignment="Center">
+                    <Button Command="{Binding FirstPageCommand}"  
+                            Style="{StaticResource MaterialDesignFlatLightBgButton}" Margin="4,0">
+                        <md:PackIcon Kind="PageFirst"/>
+                    </Button>
+                    <Button Command="{Binding PrevPageCommand}"   
+                            Style="{StaticResource MaterialDesignFlatLightBgButton}" Margin="4,0">
+                        <md:PackIcon Kind="ChevronLeft"/>
+                    </Button>
+
+                    <StackPanel Orientation="Horizontal" VerticalAlignment="Center" Margin="8,0">
+                        <TextBlock Margin="0 5" Foreground="White"
+                                   Text="{Binding PageIndex, Mode=TwoWay, UpdateSourceTrigger=PropertyChanged,
+                                                  Converter={StaticResource OneBasedConverter}}"/>
+                        <TextBlock Text="{Binding TotalPages, StringFormat=/ {0}}"
+                                   Foreground="White" VerticalAlignment="Center" Margin="6,0,0,0"/>
+                    </StackPanel>
+
+                    <Button Command="{Binding NextPageCommand}"   
+                            Style="{StaticResource MaterialDesignFlatLightBgButton}" Margin="4,0">
+                        <md:PackIcon Kind="ChevronRight"/>
+                    </Button>
+                    <Button Command="{Binding LastPageCommand}"   
+                            Style="{StaticResource MaterialDesignFlatLightBgButton}" Margin="4,0">
+                        <md:PackIcon Kind="PageLast"/>
+                    </Button>
+                </StackPanel>
+            </Grid>
+
             <Border Grid.Row="1" Grid.Column="1" Margin="0 0 15 15" CornerRadius="10"
                     Background="#384659" BorderBrush="#404F63" BorderThickness="1">
                 <Grid>
@@ -365,7 +401,7 @@
                 </Grid>
             </Border>
 
-            <Border Grid.Row="2" Grid.Column="1" Margin="0 0 15 15" CornerRadius="10"
+            <Border Grid.Row="2" Grid.Column="1" Grid.RowSpan="2" Margin="0 0 15 15" CornerRadius="10"
                     Background="#384659" BorderBrush="#404F63" BorderThickness="1">
                 <control:GraphControl x:Name="graphControl"
                           Margin="10" DataContext="{Binding GraphControlVM}"

SmartAquaViewer/View/GreenHouseView.xaml

@@ -7,11 +7,13 @@
              xmlns:control="clr-namespace:SmartAquaViewer.Controls"
              xmlns:helper="clr-namespace:SmartAquaViewer.Helper"
              xmlns:classes="clr-namespace:SmartAquaViewer.Classes"
+             xmlns:md="http://materialdesigninxaml.net/winfx/xaml/themes"
              mc:Ignorable="d" 
              d:DesignHeight="940" d:DesignWidth="1650">
 
     <UserControl.Resources>
         <classes:InverseBoolConverter x:Key="InverseBoolConverter"/>
+        <classes:OneBasedConverter x:Key="OneBasedConverter"/>
     </UserControl.Resources>
 
     <Border BorderBrush="#2d374c" BorderThickness="2">
@@ -20,6 +22,7 @@
                 <RowDefinition Height="160"/>
                 <RowDefinition Height="350"/>
                 <RowDefinition Height="*"/>
+                <RowDefinition Height="40"/>
             </Grid.RowDefinitions>
             <Grid.ColumnDefinitions>
                 <ColumnDefinition Width="*"/>
@@ -88,10 +91,13 @@
                 </UniformGrid>
             </Border>
 
-            <DataGrid Style="{StaticResource DataGridStyle}" Background="Transparent" ItemsSource="{Binding WaterQualityList}"
+            <DataGrid Style="{StaticResource DataGridStyle}" Background="Transparent" 
+                      ItemsSource="{Binding PagedItems}"
                       RowStyle="{StaticResource DataGridRowStyle}" ColumnHeaderStyle="{StaticResource DataGridColumnHeaderStyle}"
-                      ColumnWidth="*" HorizontalAlignment="Stretch"
+                      helper:DataGridAutoPageSizeBehavior.Enable="True"
-                      Grid.Row="1" Grid.RowSpan="2" Margin="15 0 15 15">
+                      ColumnWidth="*" RowHeight="30"
+                      HorizontalAlignment="Stretch"
+                      Grid.Row="1" Grid.RowSpan="2" Margin="15 0">
                 <DataGrid.Columns>
                     <DataGridTextColumn 
                         Header="시간"
@@ -161,6 +167,36 @@
                 </DataGrid.Columns>
             </DataGrid>
 
+            <Grid Grid.Row="3" VerticalAlignment="Center">
+                <StackPanel Orientation="Horizontal" HorizontalAlignment="Center">
+                    <Button Command="{Binding FirstPageCommand}"  
+                            Style="{StaticResource MaterialDesignFlatLightBgButton}" Margin="4,0">
+                        <md:PackIcon Kind="PageFirst"/>
+                    </Button>
+                    <Button Command="{Binding PrevPageCommand}"   
+                            Style="{StaticResource MaterialDesignFlatLightBgButton}" Margin="4,0">
+                        <md:PackIcon Kind="ChevronLeft"/>
+                    </Button>
+
+                    <StackPanel Orientation="Horizontal" VerticalAlignment="Center" Margin="8,0">
+                        <TextBlock Margin="0 5" Foreground="White"
+                                   Text="{Binding PageIndex, Mode=TwoWay, UpdateSourceTrigger=PropertyChanged,
+                                                  Converter={StaticResource OneBasedConverter}}"/>
+                        <TextBlock Text="{Binding TotalPages, StringFormat=/ {0}}"
+                                   Foreground="White" VerticalAlignment="Center" Margin="6,0,0,0"/>
+                    </StackPanel>
+
+                    <Button Command="{Binding NextPageCommand}"   
+                            Style="{StaticResource MaterialDesignFlatLightBgButton}" Margin="4,0">
+                        <md:PackIcon Kind="ChevronRight"/>
+                    </Button>
+                    <Button Command="{Binding LastPageCommand}"   
+                            Style="{StaticResource MaterialDesignFlatLightBgButton}" Margin="4,0">
+                        <md:PackIcon Kind="PageLast"/>
+                    </Button>
+                </StackPanel>
+            </Grid>
+
             <Border Grid.Row="1" Grid.Column="1" Margin="0 0 15 15" CornerRadius="10"
                     Background="#384659" BorderBrush="#404F63" BorderThickness="1">
                 <Grid>
@@ -362,7 +398,7 @@
                 </Grid>
             </Border>
 
-            <Border Grid.Row="2" Grid.Column="1" Margin="0 0 15 15" CornerRadius="10"
+            <Border Grid.Row="2" Grid.Column="1" Grid.RowSpan="2" Margin="0 0 15 15" CornerRadius="10"
                     Background="#384659" BorderBrush="#404F63" BorderThickness="1">
                 <control:GraphControl x:Name="graphControl"
                                       Margin="10" DataContext="{Binding GraphControlVM}"

SmartAquaViewer/View/MonitoringView.xaml

@@ -15,6 +15,7 @@
     <UserControl.Resources>
         <classes:EnumEqualsConverter x:Key="EnumEqualsConverter"/>
         <classes:BoolToPowerConverter x:Key="BoolToPowerConverter"/>
+        <classes:OneBasedConverter x:Key="OneBasedConverter"/>
     </UserControl.Resources>
 
     <Border BorderBrush="#2d374c" BorderThickness="2">
@@ -23,6 +24,8 @@
                 <Grid.RowDefinitions>
                     <RowDefinition Height="70"/>
                     <RowDefinition Height="*"/>
+                    <RowDefinition Height="40"/>
+                    <RowDefinition Height="40"/>
                 </Grid.RowDefinitions>
                 <Grid>
                     <!--<Grid.Background>
@@ -32,12 +35,14 @@
                                               SelectedTab="{Binding SelectedTab, Mode=TwoWay, UpdateSourceTrigger=PropertyChanged}"/>
                 </Grid>
 
-                <DataGrid x:Name="dgTanks" ItemsSource="{Binding TanksByTimes}"
+                <DataGrid x:Name="dgTanks" ItemsSource="{Binding TanksPager.PagedItems}"
                           Style="{StaticResource DataGridStyle}"
                           RowStyle="{StaticResource DataGridRowStyle}"
                           ColumnHeaderStyle="{StaticResource DataGridColumnHeaderStyle}"
-                          Grid.Row="1" Margin="15 0 15 40"
+                          helper:DataGridAutoPageSizeBehavior.Enable="True"
-                          ColumnWidth="*"
+                          helper:DataGridAutoPageSizeBehavior.Pager="{Binding TanksPager}"
+                          Grid.Row="1" Margin="15 0"
+                          ColumnWidth="*" RowHeight="30"
                           Background="Transparent"
                           HorizontalAlignment="Stretch">
                     <DataGrid.Columns>
@@ -176,9 +181,11 @@
                     </DataGrid.Columns>
                 </DataGrid>
 
-                <DataGrid ItemsSource="{Binding WaterQualityList}" x:Name="dgFilter"
+                <DataGrid ItemsSource="{Binding PagedItems}" x:Name="dgFilter"
-                          Style="{StaticResource DataGridStyle}" ColumnWidth="*"
+                          Style="{StaticResource DataGridStyle}" 
-                          Grid.Row="1" Margin="15 0 15 40" 
+                          ColumnWidth="*" RowHeight="30"
+                          helper:DataGridAutoPageSizeBehavior.Enable="True"
+                          Grid.Row="1" Margin="15 0 15 0" 
                           Background="Transparent"
                           RowStyle="{StaticResource DataGridRowStyle}" 
                           ColumnHeaderStyle="{StaticResource DataGridColumnHeaderStyle}">
@@ -299,9 +306,11 @@
                     </DataGrid.Columns>
                 </DataGrid>
 
-                <DataGrid ItemsSource="{Binding WaterQualityList}" x:Name="dgSterilizer"
+                <DataGrid ItemsSource="{Binding PagedItems}" x:Name="dgSterilizer"
-                          Style="{StaticResource DataGridStyle}" ColumnWidth="*"
+                          Style="{StaticResource DataGridStyle}" 
-                          Grid.Row="1" Margin="15 0 15 40" 
+                          ColumnWidth="*" RowHeight="30"
+                          helper:DataGridAutoPageSizeBehavior.Enable="True"
+                          Grid.Row="1" Margin="15 0 15 0" 
                           Background="Transparent"
                           VerticalScrollBarVisibility="Auto"
                           RowStyle="{StaticResource DataGridRowStyle}" 
@@ -327,7 +336,89 @@
                     </DataGrid.Columns>
                 </DataGrid>
 
-                <Grid Grid.Row="1" VerticalAlignment="Bottom">
+                <Grid Grid.Row="2">
+                    <Grid.Style>
+                        <Style TargetType="Grid">
+                            <Setter Property="Visibility" Value="Collapsed"/>
+                            <Style.Triggers>
+                                <DataTrigger Binding="{Binding SelectedTab}" Value="{x:Static model:MonitorTab.Tank}">
+                                    <Setter Property="Visibility" Value="Visible"/>
+                                </DataTrigger>
+                            </Style.Triggers>
+                        </Style>
+                    </Grid.Style>
+
+                    <StackPanel Orientation="Horizontal" HorizontalAlignment="Center">
+                        <Button Command="{Binding TanksPager.FirstPageCommand}"  Style="{StaticResource MaterialDesignFlatLightBgButton}" Margin="4,0">
+                            <md:PackIcon Kind="PageFirst"/>
+                        </Button>
+                        <Button Command="{Binding TanksPager.PrevPageCommand}"   Style="{StaticResource MaterialDesignFlatLightBgButton}" Margin="4,0">
+                            <md:PackIcon Kind="ChevronLeft"/>
+                        </Button>
+
+                        <StackPanel Orientation="Horizontal" VerticalAlignment="Center" Margin="8,0">
+                            <TextBlock Margin="0 5" Foreground="White"
+                                       Text="{Binding TanksPager.PageIndex, Mode=TwoWay, 
+                                                      UpdateSourceTrigger=PropertyChanged,
+                                                      Converter={StaticResource OneBasedConverter}}"/>
+                            <TextBlock Text="{Binding TanksPager.TotalPages, StringFormat=/ {0}}"
+                                       Foreground="White" VerticalAlignment="Center" Margin="6,0,0,0"/>
+                        </StackPanel>
+
+                        <Button Command="{Binding TanksPager.NextPageCommand}"   
+                                Style="{StaticResource MaterialDesignFlatLightBgButton}" Margin="4,0">
+                            <md:PackIcon Kind="ChevronRight"/>
+                        </Button>
+                        <Button Command="{Binding TanksPager.LastPageCommand}"   
+                                Style="{StaticResource MaterialDesignFlatLightBgButton}" Margin="4,0">
+                            <md:PackIcon Kind="PageLast"/>
+                        </Button>
+                    </StackPanel>
+                </Grid>
+
+                <!-- (2) 필터/살균기 공용 페이지바 -->
+                <Grid Grid.Row="2">
+                    <Grid.Style>
+                        <Style TargetType="Grid">
+                            <Setter Property="Visibility" Value="Visible"/>
+                            <Style.Triggers>
+                                <DataTrigger Binding="{Binding SelectedTab}" Value="{x:Static model:MonitorTab.Tank}">
+                                    <Setter Property="Visibility" Value="Collapsed"/>
+                                </DataTrigger>
+                            </Style.Triggers>
+                        </Style>
+                    </Grid.Style>
+
+                    <StackPanel Orientation="Horizontal" HorizontalAlignment="Center">
+                        <Button Command="{Binding FirstPageCommand}"  
+                                Style="{StaticResource MaterialDesignFlatLightBgButton}" Margin="4,0">
+                            <md:PackIcon Kind="PageFirst"/>
+                        </Button>
+                        <Button Command="{Binding PrevPageCommand}"   
+                                Style="{StaticResource MaterialDesignFlatLightBgButton}" Margin="4,0">
+                            <md:PackIcon Kind="ChevronLeft"/>
+                        </Button>
+
+                        <StackPanel Orientation="Horizontal" VerticalAlignment="Center" Margin="8,0">
+                            <TextBlock Margin="0 5" Foreground="White"
+                                       Text="{Binding PageIndex, Mode=TwoWay, UpdateSourceTrigger=PropertyChanged,
+                                                      Converter={StaticResource OneBasedConverter}}"/>
+                            <TextBlock Text="{Binding TotalPages, StringFormat=/ {0}}"
+                                       Foreground="White" VerticalAlignment="Center" Margin="6,0,0,0"/>
+                        </StackPanel>
+
+                        <Button Command="{Binding NextPageCommand}"   
+                                Style="{StaticResource MaterialDesignFlatLightBgButton}" Margin="4,0">
+                            <md:PackIcon Kind="ChevronRight"/>
+                        </Button>
+                        <Button Command="{Binding LastPageCommand}"   
+                                Style="{StaticResource MaterialDesignFlatLightBgButton}" Margin="4,0">
+                            <md:PackIcon Kind="PageLast"/>
+                        </Button>
+                    </StackPanel>
+                </Grid>
+
+                <Grid Grid.Row="3" VerticalAlignment="Bottom">
                     <Button Name="btnVisibilityDown" Tag="down" 
                             Style="{StaticResource ImageButtonStyle}" Height="33" Command="{Binding ChangeDrawerStatusCommand}"
                             VerticalAlignment="Bottom" HorizontalAlignment="Center" Visibility="{Binding BtnVisibilityDown}"

SmartAquaViewer/ViewModel/EnergyViewModel.cs

@@ -9,7 +9,7 @@ using SmartAquaViewer.Model;
 
 namespace SmartAquaViewer.ViewModel
 {
-    public class EnergyViewModel : INotifyPropertyChanged
+    public class EnergyViewModel : PagingViewModelBase<WaterQualityVO>, INotifyPropertyChanged
     {
         public GraphControlViewModel GraphControlVM { get; } = new GraphControlViewModel();
         public ObservableCollection<GraphType> GraphTypes { get; }
@@ -250,15 +250,10 @@ namespace SmartAquaViewer.ViewModel
 
             WaterQualityList = Datas.Instance.WaterQualityView;
 
-            TotalSandFilterEnergy = WaterQualityList.Sum(vo => vo.Filtering.SandFilterEnergy);           
+            SyncItemsWithSource();
-            TotalCirculationPumpEnergy = WaterQualityList.Sum(vo => vo.Filtering.CirculationPumpEnergy);
+            ((INotifyCollectionChanged)WaterQualityList).CollectionChanged += OnSourceChanged;
-            TotalHeatPumpEnergy = WaterQualityList.Sum(vo => vo.Filtering.HeatPumpEnergy);
+
-            TotalAirBlowerEnergy = WaterQualityList.Sum(vo => vo.Filtering.AirBlowerEnergy);
+            RecalcTotals();
-            TotalOzoneGeneratorEnergy = WaterQualityList.Sum(vo => vo.Sterilizing.OzoneGeneratorEnergy);
-            TotalUVSterilizerEnergy = WaterQualityList.Sum(vo => vo.Sterilizing.UVSterilizerEnergy);
-            TotalOzoneDissolverEnergy = WaterQualityList.Sum(vo => vo.Sterilizing.OzoneDissolverEnergy);
-            TotalExcessOzoneDestroyerEnergy = WaterQualityList.Sum(vo => vo.Sterilizing.ExcessOzoneDestroyerEnergy);
-            TotalEnergy = WaterQualityList.Sum(vo => vo.TotalEnergy);
 
             SelectedKind = StepFieldKind.Energy; // 기본적으로 에너지 관련 필드만 표시
 
@@ -266,6 +261,8 @@ namespace SmartAquaViewer.ViewModel
 
             RebuildAvailableFields();
             RebuildFieldCandidates();
+
+            SelectedGraphIndex = 0;
         }
 
         private void DrawGraph(object obj)
@@ -355,8 +352,33 @@ namespace SmartAquaViewer.ViewModel
             OnPropertyChanged(nameof(SelectedYFields));
         }
 
-        public event PropertyChangedEventHandler? PropertyChanged;
+        private void OnSourceChanged(object? sender, NotifyCollectionChangedEventArgs e)
-        private void OnPropertyChanged([CallerMemberName] string? name = null)
+        {
-            => PropertyChanged?.Invoke(this, new PropertyChangedEventArgs(name));
+            SyncItemsWithSource();
+            RecalcTotals();
+        }
+
+        private void SyncItemsWithSource()
+        {
+            Items.Clear();
+            foreach (var w in WaterQualityList)
+                Items.Add(w);
+        }
+
+        private void RecalcTotals()
+        {
+            TotalSandFilterEnergy = WaterQualityList.Sum(vo => vo.Filtering.SandFilterEnergy);
+            TotalCirculationPumpEnergy = WaterQualityList.Sum(vo => vo.Filtering.CirculationPumpEnergy);
+            TotalHeatPumpEnergy = WaterQualityList.Sum(vo => vo.Filtering.HeatPumpEnergy);
+            TotalAirBlowerEnergy = WaterQualityList.Sum(vo => vo.Filtering.AirBlowerEnergy);
+            TotalOzoneGeneratorEnergy = WaterQualityList.Sum(vo => vo.Sterilizing.OzoneGeneratorEnergy);
+            TotalUVSterilizerEnergy = WaterQualityList.Sum(vo => vo.Sterilizing.UVSterilizerEnergy);
+            TotalOzoneDissolverEnergy = WaterQualityList.Sum(vo => vo.Sterilizing.OzoneDissolverEnergy);
+            TotalExcessOzoneDestroyerEnergy = WaterQualityList.Sum(vo => vo.Sterilizing.ExcessOzoneDestroyerEnergy);
+            TotalEnergy = WaterQualityList.Sum(vo => vo.TotalEnergy);
+        }
+
+        protected void OnPropertyChanged([CallerMemberName] string? name = null)
+            => base.OnPropertyChanged(name);
     }
 }

SmartAquaViewer/ViewModel/GreenHouseGasViewModel.cs

@@ -12,10 +12,11 @@ using System.Windows.Input;
 using SmartAquaViewer.Controls;
 using SmartAquaViewer.DataAnalysis;
 using SmartAquaViewer.Model;
+using static MaterialDesignThemes.Wpf.Theme.ToolBar;
 
 namespace SmartAquaViewer.ViewModel
 {
-    public class GreenHouseGasViewModel : INotifyPropertyChanged
+    public class GreenHouseGasViewModel : PagingViewModelBase<WaterQualityVO>
     {
         public GraphControlViewModel GraphControlVM { get; } = new GraphControlViewModel();
         public ObservableCollection<GraphType> GraphTypes { get; }
@@ -255,16 +256,10 @@ namespace SmartAquaViewer.ViewModel
 
             WaterQualityList = Datas.Instance.WaterQualityView;
 
+            SyncItemsWithSource();
+            ((INotifyCollectionChanged)WaterQualityList).CollectionChanged += OnSourceChanged;
 
-            TotalSandFilterGreenhouseGas = WaterQualityList.Sum(vo => vo.Filtering.SandFilterGreenhouseGas);
+            RecalcTotals();
-            TotalCirculationPumpGreenhouseGas = WaterQualityList.Sum(vo => vo.Filtering.CirculationPumpGreenhouseGas);
-            TotalHeatPumpGreenhouseGas = WaterQualityList.Sum(vo => vo.Filtering.HeatPumpGreenhouseGas);
-            TotalAirBlowerGreenhouseGas = WaterQualityList.Sum(vo => vo.Filtering.AirBlowerGreenhouseGas);
-            TotalOzoneGeneratorGreenhouseGas = WaterQualityList.Sum(vo => vo.Sterilizing.OzoneGeneratorGreenhouseGas);
-            TotalUVSterilizerGreenhouseGas = WaterQualityList.Sum(vo => vo.Sterilizing.UVSterilizerGreenhouseGas);
-            TotalOzoneDissolverGreenhouseGas = WaterQualityList.Sum(vo => vo.Sterilizing.OzoneDissolverGreenhouseGas);
-            TotalExcessOzoneDestroyerGreenhouseGas = WaterQualityList.Sum(vo => vo.Sterilizing.ExcessOzoneDestroyerGreenhouseGas);
-            TotalGreenhouseGas = WaterQualityList.Sum(vo => vo.TotalGreenhouseGas);
 
             SelectedKind = StepFieldKind.GHG;
 
@@ -272,6 +267,8 @@ namespace SmartAquaViewer.ViewModel
 
             RebuildAvailableFields();
             RebuildFieldCandidates();
+
+            SelectedGraphIndex = 0;
         }
 
         private void DrawGraph(object obj)
@@ -361,8 +358,33 @@ namespace SmartAquaViewer.ViewModel
             OnPropertyChanged(nameof(SelectedYFields));
         }
 
-        public event PropertyChangedEventHandler? PropertyChanged;
+        private void OnSourceChanged(object? sender, NotifyCollectionChangedEventArgs e)
+        {
+            SyncItemsWithSource();
+            RecalcTotals();
+        }
+
+        private void SyncItemsWithSource()
+        {
+            Items.Clear();
+            foreach (var w in WaterQualityList)
+                Items.Add(w);
+        }
+
+        private void RecalcTotals()
+        {
+            TotalSandFilterGreenhouseGas = WaterQualityList.Sum(vo => vo.Filtering.SandFilterGreenhouseGas);
+            TotalCirculationPumpGreenhouseGas = WaterQualityList.Sum(vo => vo.Filtering.CirculationPumpGreenhouseGas);
+            TotalHeatPumpGreenhouseGas = WaterQualityList.Sum(vo => vo.Filtering.HeatPumpGreenhouseGas);
+            TotalAirBlowerGreenhouseGas = WaterQualityList.Sum(vo => vo.Filtering.AirBlowerGreenhouseGas);
+            TotalOzoneGeneratorGreenhouseGas = WaterQualityList.Sum(vo => vo.Sterilizing.OzoneGeneratorGreenhouseGas);
+            TotalUVSterilizerGreenhouseGas = WaterQualityList.Sum(vo => vo.Sterilizing.UVSterilizerGreenhouseGas);
+            TotalOzoneDissolverGreenhouseGas = WaterQualityList.Sum(vo => vo.Sterilizing.OzoneDissolverGreenhouseGas);
+            TotalExcessOzoneDestroyerGreenhouseGas = WaterQualityList.Sum(vo => vo.Sterilizing.ExcessOzoneDestroyerGreenhouseGas);
+            TotalGreenhouseGas = WaterQualityList.Sum(vo => vo.TotalGreenhouseGas);
+        }
+
         private void OnPropertyChanged([CallerMemberName] string? name = null)
-            => PropertyChanged?.Invoke(this, new PropertyChangedEventArgs(name));
+            => base.OnPropertyChanged(name);
     }
 }

SmartAquaViewer/ViewModel/MonitoringViewModel.cs

@@ -11,6 +11,9 @@ using SmartAquaViewer.Model;
 
 namespace SmartAquaViewer.ViewModel
 {
+    /// <summary>
+    /// 데이터에서 추출한 필드 정보
+    /// </summary>
     public sealed class FieldItem
     {
         public string? Name { get; init; }    // 바인딩 경로 키 (예: "Tank.DOValue")
@@ -19,6 +22,9 @@ namespace SmartAquaViewer.ViewModel
         public StepFieldKind Kind { get; init; }
     }
 
+    /// <summary>
+    /// 특정 시점에 기록된 수조 데이터 묶음
+    /// </summary>
     public class TanksByTime
     {
         public DateTime RecordedTime { get; }
@@ -31,7 +37,7 @@ namespace SmartAquaViewer.ViewModel
         }
     }
 
-    public class MonitoringViewModel : INotifyPropertyChanged
+    public class MonitoringViewModel : PagingViewModelBase<WaterQualityVO>
     {
         #region Properties
         public GraphControlViewModel GraphControlVM { get; } = new GraphControlViewModel();
@@ -44,6 +50,8 @@ namespace SmartAquaViewer.ViewModel
         public Dictionary<int, ObservableCollection<WaterQualityVO>> SelectedWaterTanks { get; } = new();
 
         public ObservableCollection<TanksByTime> TanksByTimes { get; } = new();
+        public PagingViewModelBase<TanksByTime> TanksPager { get; } = new();
+
 
         private MonitorTab _selectedTab;
         public MonitorTab SelectedTab
@@ -270,10 +278,8 @@ namespace SmartAquaViewer.ViewModel
             RebuildFieldCandidates();
         }
 
-        private void OnWaterQualityChanged(object? sender, NotifyCollectionChangedEventArgs e)
+        private void OnWaterQualityChanged(object? sender, NotifyCollectionChangedEventArgs e) => RebuildAllGroups();
-        {
+
-            RebuildAllGroups(); // 변경될 때마다 그룹 재구성
-        }
 
         private void RebuildAllGroups()
         {
@@ -289,21 +295,18 @@ namespace SmartAquaViewer.ViewModel
             TankGroups = grouped;
             OnPropertyChanged(nameof(TankGroups));
 
-            // TankGroups를 깔끔하게 다시 구성
+            TanksPager.Items.Clear();
-            TanksByTimes.Clear();
             foreach (var w in WaterQualityList)
-            {
+                TanksPager.Items.Add(new TanksByTime(w.RecordedTime, w.Tanks));
-                var tbt = new TanksByTime(w.RecordedTime, w.Tanks);
-                TanksByTimes.Add(tbt);
-                OrderTanksBtTimeByDate();
-            }
-        }
 
-        private void OrderTanksBtTimeByDate()
+            var ordered = TanksPager.Items.OrderBy(t => t.RecordedTime).ToList();
-        {
+            TanksPager.Items.Clear();
-            var ordered = TanksByTimes.OrderBy(t => t.RecordedTime).ToList();
+            foreach (var t in ordered) TanksPager.Items.Add(t);
-            TanksByTimes.Clear();
+
-            foreach (var t in ordered) TanksByTimes.Add(t);
+            // TankGroups를 깔끔하게 다시 구성
+            this.Items.Clear();
+            foreach (var w in WaterQualityList)
+                this.Items.Add(w);
         }
 
         private void DrawGraph(object obj)
@@ -536,8 +539,7 @@ namespace SmartAquaViewer.ViewModel
             OnPropertyChanged(nameof(SelectedYFields));
         }
 
-        public event PropertyChangedEventHandler? PropertyChanged;
+        protected new void OnPropertyChanged([CallerMemberName] string? name = null)
-        private void OnPropertyChanged([CallerMemberName] string? name = null)
+        => base.OnPropertyChanged(name);
-            => PropertyChanged?.Invoke(this, new PropertyChangedEventArgs(name));
     }
 }

SmartAquaViewer/ViewModel/PagingViewModelBase.cs

@@ -0,0 +1,97 @@
+using System;
+using System.Collections.Generic;
+using System.Collections.ObjectModel;
+using System.ComponentModel;
+using System.Linq;
+using System.Text;
+using System.Threading.Tasks;
+using SmartAquaViewer.Controls;
+using System.Windows.Input;
+using System.Runtime.CompilerServices;
+
+namespace SmartAquaViewer.ViewModel
+{
+    public interface IPager
+    {
+        int PageSize { get; set; }
+        int PageIndex { get; set; }
+        int TotalPages { get; }
+        string PageStatus { get; }
+
+        ICommand FirstPageCommand { get; }
+        ICommand PrevPageCommand { get; }
+        ICommand NextPageCommand { get; }
+        ICommand LastPageCommand { get; }
+    }
+
+    public class PagingViewModelBase<T> : INotifyPropertyChanged, IPager
+    {
+        public ObservableCollection<T> Items { get; } = new();
+
+        private int _pageSize = 10;
+        public int PageSize
+        {
+            get => _pageSize;
+            set { if (_pageSize != value) { _pageSize = value; PageIndex = 0; OnPropertyChanged(); RebuildPage(); } }
+        }
+
+        private int _pageIndex; // 0-based
+        public int PageIndex
+        {
+            get => _pageIndex;
+            set { if (_pageIndex != value) { _pageIndex = Math.Max(0, Math.Min(value, TotalPages - 1)); OnPropertyChanged(nameof(PageIndex)); RebuildPage(); } }
+        }
+
+        public int TotalCount => Items.Count;
+        public int TotalPages => Math.Max(1, (int)Math.Ceiling(TotalCount / (double)PageSize));
+
+        private readonly ObservableCollection<T> _pagedItems = new();
+        public ReadOnlyObservableCollection<T> PagedItems { get; }
+
+        // 보기용 표시: "101–150 / 4,327 (3/87)"
+        public string PageStatus
+        {
+            get
+            {
+                if (TotalCount == 0) return "0 / 0 (0/0)";
+                var start = PageIndex * PageSize + 1;
+                var end = Math.Min((PageIndex + 1) * PageSize, TotalCount);
+                return $"{start}–{end} / {TotalCount:N0} ({PageIndex + 1}/{TotalPages})";
+            }
+        }
+
+        public ICommand FirstPageCommand => new RelayCommand(_ => PageIndex = 0, _ => PageIndex > 0);
+        public ICommand PrevPageCommand => new RelayCommand(_ => PageIndex--, _ => PageIndex > 0);
+        public ICommand NextPageCommand => new RelayCommand(_ => PageIndex++, _ => PageIndex < TotalPages - 1);
+        public ICommand LastPageCommand => new RelayCommand(_ => PageIndex = TotalPages - 1, _ => PageIndex < TotalPages - 1);
+
+        public PagingViewModelBase()
+        {
+            PagedItems = new ReadOnlyObservableCollection<T>(_pagedItems);
+            Items.CollectionChanged += (_, __) => RebuildPage(); // 원본이 바뀌면 재구성
+            RebuildPage();
+        }
+
+        private void RebuildPage()
+        {
+            // 현재 페이지 구간
+            var slice = Items.Skip(PageIndex * PageSize).Take(PageSize).ToList();
+
+            // 🔹 ObservableCollection 동기화 (Clear/Add)
+            _pagedItems.Clear();
+            foreach (var item in slice) _pagedItems.Add(item);
+
+            // 숫자/상태 텍스트 갱신
+            OnPropertyChanged(nameof(TotalCount));
+            OnPropertyChanged(nameof(TotalPages));
+            OnPropertyChanged(nameof(PageStatus));
+
+            // 버튼 CanExecute 즉시 반영
+            CommandManager.InvalidateRequerySuggested();
+        }
+
+        public event PropertyChangedEventHandler? PropertyChanged;
+        protected void OnPropertyChanged([CallerMemberName] string? name = null)
+            => PropertyChanged?.Invoke(this, new PropertyChangedEventArgs(name));
+    }
+}