【WPF】管理系统主界面

前台代码

<Window
    xmlns="http://schemas.microsoft.com/winfx/2006/xaml/presentation"
    xmlns:x="http://schemas.microsoft.com/winfx/2006/xaml"
    x:Class="ExpenseItDemo.CreateExpenseReportDialogBox"
    xmlns:localValidation="clr-namespace:ExpenseItDemo.Validation"
    DataContext="{StaticResource ExpenseData}"
    Icon="Watermark.png"
    Title="Create Expense Report"
    MinWidth="600" MinHeight="500"
    SizeToContent="WidthAndHeight"
    ShowInTaskbar="False"
    WindowStartupLocation="CenterOwner">

    <Grid>
        <!-- Watermark -->
        <Image Style="{StaticResource WatermarkImage}" />

        <Grid Style="{StaticResource WindowContentGrid}">

            <Grid.ColumnDefinitions>
                <ColumnDefinition />
                <ColumnDefinition Width="Auto" />
                <ColumnDefinition Width="Auto" />
            </Grid.ColumnDefinitions>
            <Grid.RowDefinitions>
                <RowDefinition Height="Auto" />
                <RowDefinition Height="Auto" />
                <RowDefinition Height="50" />
                <RowDefinition />
                <RowDefinition Height="50" />
                <RowDefinition Height="Auto" />
                <RowDefinition Height="Auto" />
            </Grid.RowDefinitions>

            <!-- Report Details -->
            <Grid Grid.Row="0" Grid.ColumnSpan="3">

                <Grid.ColumnDefinitions>
                    <ColumnDefinition Width="Auto" />
                    <ColumnDefinition />
                    <ColumnDefinition Width="Auto" />
                    <ColumnDefinition Width="Auto" />
                </Grid.ColumnDefinitions>
                <Grid.RowDefinitions>
                    <RowDefinition Height="Auto" />
                    <RowDefinition Height="Auto" />
                    <RowDefinition Height="Auto" />
                </Grid.RowDefinitions>

                <!-- Alias -->
                <Label Style="{StaticResource Label}" Target="{Binding ElementName=aliasTextBox}" Grid.Column="2" Grid.Row="0">
                    Email _Alias:
                </Label>
                <TextBox Name="aliasTextBox" AutomationProperties.Name="Email Alias" Style="{StaticResource ReadOnlyText}" Grid.Column="3" Grid.Row="0"
                         Text="{Binding Path=Alias}">
                    <TextBox.ToolTip>
                        <TextBlock>email alias</TextBlock>
                    </TextBox.ToolTip>
                </TextBox>

                <!-- Employee Number -->
                <Label Style="{StaticResource Label}" Target="{Binding ElementName=employeeNumberTextBox}" Grid.Column="2"
                       Grid.Row="1">
                    Employee _Number:
                </Label>
                <TextBox Name="employeeNumberTextBox" AutomationProperties.Name="Employee Number" Style="{StaticResource ReadOnlyText}" Grid.Column="3"
                         Grid.Row="1" Text="{Binding Path=EmployeeNumber}">
                    <TextBox.ToolTip>
                        <TextBlock>employee number</TextBlock>
                    </TextBox.ToolTip>
                </TextBox>

                <!-- Cost Center -->
                <Label Style="{StaticResource Label}" Target="{Binding ElementName=costCenterTextBox}" Grid.Column="2"
                       Grid.Row="2">
                    _Cost Center:
                </Label>
                <TextBox Name="costCenterTextBox" AutomationProperties.Name="Cost Center" Style="{StaticResource ReadOnlyText}" Grid.Column="3" Grid.Row="2"
                         Text="{Binding Path=CostCenter}">
                    <TextBox.ToolTip>
                        <TextBlock>cost center</TextBlock>
                    </TextBox.ToolTip>
                </TextBox>

            </Grid>

            <!-- Separator Rectangle -->
            <Rectangle Style="{StaticResource TopSeparatorRectangle}" Grid.Row="1" Grid.ColumnSpan="3" />

            <!-- Function Buttons -->
            <StackPanel Grid.Row="2" Grid.Column="2" Grid.RowSpan="2">

                <!-- Add Expense Button -->
                <Button Style="{StaticResource FunctionButton}" Click="addExpenseButton_Click" Name="addExpenseButton">
                    Add _Expense
                    <Button.ToolTip>
                        <TextBlock>add expense</TextBlock>
                    </Button.ToolTip>
                </Button>

                <!-- View Chart Button-->
                <Button Style="{StaticResource FunctionButton}" Click="viewChartButton_Click" Name="viewExpenseButton" AutomationProperties.Name="View Chart">
                    <Button.ToolTip>
                        <TextBlock>View chart</TextBlock>
                    </Button.ToolTip>
                    <DockPanel KeyboardNavigation.TabNavigation="None">
                        <Label DockPanel.Dock="Top" Target="{Binding ElementName=viewExpenseButton}" HorizontalAlignment="Center">
                            _View Chart
                        </Label>
                        <ItemsControl Style="{StaticResource ExpenseChartSmall}" />
                    </DockPanel>
                </Button>
            </StackPanel>

            <!-- Expense Report List -->
            <Rectangle Style="{StaticResource TotalRectangle}" Grid.Row="2" Grid.RowSpan="2" Grid.ColumnSpan="2" />
            <DataGrid Style="{DynamicResource DataGridStyle}"
                          Grid.RowSpan="2"
                          Grid.Row="2"
                          Grid.ColumnSpan="2"
                          Width="Auto"
                          ColumnWidth="*"
                          ItemsSource="{Binding LineItems}"
                          HeadersVisibility="Column"
                          Name="expenseDataGrid1"
                          AutoGenerateColumns="False"
                          CanUserAddRows="False"
                          AutomationProperties.Name="Expense Report">
                    <DataGrid.ToolTip>
                        <TextBlock>Expense Report</TextBlock>
                    </DataGrid.ToolTip>
                <DataGrid.Columns>
                    <DataGridTextColumn Header="Expense type" Binding="{Binding Type}" CellStyle="{StaticResource LeftAlignedCell}" />
                    <DataGridTextColumn Header="Description" Binding="{Binding Description}" CellStyle="{StaticResource LeftAlignedCell}" />
                        <DataGridTextColumn Header="Cost" CellStyle="{StaticResource RightAlignedCell}" HeaderStyle="{StaticResource RightAlignedColumnHeader}">
                            <DataGridTextColumn.Binding>
                                <Binding Path="Cost" UpdateSourceTrigger="PropertyChanged">
                                    <!-- SECURITY: Cost must be an int -->
                                    <Binding.ValidationRules>
                                        <localValidation:NumberValidationRule />
                                    </Binding.ValidationRules>
                                </Binding>
                            </DataGridTextColumn.Binding>
                        </DataGridTextColumn>
                    </DataGrid.Columns>
                </DataGrid>

            <!-- Total Expenses -->
            <Rectangle Style="{StaticResource TotalRectangle}" Grid.Row="4" Grid.ColumnSpan="2" />
            <StackPanel Style="{StaticResource TotalExpensesFlow}" Grid.Row="4" Grid.ColumnSpan="2">
                <TextBlock Style="{StaticResource TotalExpenses}">
                    Total Expenses ($):
                    <TextBlock.ToolTip>
                        <TextBlock>Total expenses</TextBlock>
                    </TextBlock.ToolTip>
                </TextBlock>
                <TextBlock Style="{StaticResource TotalExpenses}"
                           Text="{Binding Path=TotalExpenses, UpdateSourceTrigger=PropertyChanged}" />
            </StackPanel>

            <!-- Separator Rectangle -->
            <Rectangle Style="{StaticResource BottomSeparatorRectangle}" Grid.Row="5" Grid.ColumnSpan="3" />

            <!-- Command Buttons -->
            <StackPanel Style="{StaticResource CommandButtonPanel}" Grid.Row="6" Grid.ColumnSpan="3">

                <!-- Ok Button -->
                <Button Style="{StaticResource CommandButton}" Click="okButton_Click" IsDefault="True">
                    _OK
                    <Button.ToolTip>
                        <TextBlock>OK</TextBlock>
                    </Button.ToolTip>
                </Button>

                <!-- Cancel Button -->
                <Button Style="{StaticResource CommandButton}" Click="cancelButton_Click" IsCancel="True">
                    _Cancel
                    <Button.ToolTip>
                        <TextBlock>Cancel</TextBlock>
                    </Button.ToolTip>
                </Button>

            </StackPanel>

        </Grid>

    </Grid>

</Window>

后台代码文章来源地址https://www.toymoban.com/news/detail-439366.html

using System;
using System.Windows;
using System.Windows.Controls;
using System.Windows.Controls.Primitives;
using System.Windows.Data;
using System.Windows.Input;
using System.Windows.Media;

namespace ExpenseItDemo
{
    /// <summary>
    ///     Interaction logic for CreateExpenseReportDialogBox.xaml
    /// </summary>
    public partial class CreateExpenseReportDialogBox : Window
    {
        public CreateExpenseReportDialogBox()
        {
            InitializeComponent();
        }

        private void addExpenseButton_Click(object sender, RoutedEventArgs e)
        {
            var app = Application.Current;
            var expenseReport = (ExpenseReport) app.FindResource("ExpenseData");
            expenseReport?.LineItems.Add(new LineItem());

            DataGridRow row =null;

            // Dispatching this at loaded priority so the new row has been added before our code runs
            // Grab the last row in the datagrid and search up the visual tree to get the DataGridCellsPresenter for the first cell in the last row
            this.Dispatcher.BeginInvoke(System.Windows.Threading.DispatcherPriority.Loaded, new Action(() =>
            {
                row = expenseDataGrid1.ItemContainerGenerator.ContainerFromIndex(expenseDataGrid1.Items.Count - 1) as DataGridRow;
                if (row != null)
                {
                    expenseDataGrid1.SelectedItem = row.DataContext;
                    DataGridCell cell = GetCell(expenseDataGrid1, row, 0);
                    if (cell != null)
                    {
                        expenseDataGrid1.CurrentCell = new DataGridCellInfo(cell);
                        Keyboard.Focus(cell);
                    }
                }
            }));
        }

        private static DataGridCell GetCell(DataGrid dataGrid, DataGridRow rowContainer, int column)
        {
            if (rowContainer != null)
            {
                DataGridCellsPresenter presenter = RecursiveVisualChildFinder(rowContainer);
                if (presenter != null)
                    return presenter.ItemContainerGenerator.ContainerFromIndex(column) as DataGridCell;
            }
            return null;
        }

        private static DataGridCellsPresenter RecursiveVisualChildFinder(DependencyObject myObj)
        {
            for (int i = 0; i < VisualTreeHelper.GetChildrenCount(myObj); i++)
            {
                // Retrieve child visual at specified index value.
                DependencyObject childObj = VisualTreeHelper.GetChild(myObj, i);

                // Do processing of the child visual object.
                if(childObj is DataGridCellsPresenter)
                {
                    return (DataGridCellsPresenter)childObj;
                }
                // Enumerate children of the child visual object.
                return RecursiveVisualChildFinder(childObj);
            }
            return null;
        }

        private void viewChartButton_Click(object sender, RoutedEventArgs e)
        {
            var dlg = new ViewChartWindow {Owner = this};
            dlg.Show();
        }

        bool isValid(DependencyObject parent)
        {
            if (System.Windows.Controls.Validation.GetHasError(parent)) return false;

            for(int i = 0; i != VisualTreeHelper.GetChildrenCount(parent); i++)
            {
                DependencyObject child = VisualTreeHelper.GetChild(parent, i);
                if (!isValid(child)) return false;
            }

            return true;
        }

        private void okButton_Click(object sender, RoutedEventArgs e)
        {
            if(!isValid(expenseDataGrid1)){
                MessageBox.Show(
                    "Please, fix the errors.",
                    "Error",
                    MessageBoxButton.OK,
                    MessageBoxImage.Error);
            } else
            {
                MessageBox.Show(
                    "Expense Report Created!",
                    "ExpenseIt Standalone",
                    MessageBoxButton.OK,
                    MessageBoxImage.Information);

                DialogResult = true;
            }
        }

        private void cancelButton_Click(object sender, RoutedEventArgs e)
        {
            DialogResult = false;
        }

    }
}

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