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Enhance DataGrid UI and Fix Style Issues #1192

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Enhance DataGrid UI and Fix Style Issues #1192

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adf9bde
fix: Add styles for DataGrid textbox columns
stepwise-alan Aug 8, 2024
9af9497
Update DataGrid styles
stepwise-alan Aug 13, 2024
ca2fa39
Remove deprecated color definitions and update styles
stepwise-alan Aug 13, 2024
57dc8ff
Merge branch 'lepoco:main' into datagrid-issues-fix
stepwise-alan Aug 13, 2024
01aacf9
Update TextColumnElementStyle to use TextBlock instead of TextBox
stepwise-alan Aug 13, 2024
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2 changes: 2 additions & 0 deletions src/Wpf.Ui.Gallery/Models/Product.cs
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Original file line number Diff line number Diff line change
Expand Up @@ -15,6 +15,8 @@ public class Product

public string? QuantityPerUnit { get; set; }

public Unit Unit { get; set; }

public double UnitPrice { get; set; }

public string UnitPriceString => UnitPrice.ToString("F2");
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13 changes: 13 additions & 0 deletions src/Wpf.Ui.Gallery/Models/Unit.cs
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@@ -0,0 +1,13 @@
// This Source Code Form is subject to the terms of the MIT License.
// If a copy of the MIT was not distributed with this file, You can obtain one at https://opensource.org/licenses/MIT.
// Copyright (C) Leszek Pomianowski and WPF UI Contributors.
// All Rights Reserved.

namespace Wpf.Ui.Gallery.Models;

public enum Unit
{
Grams,
Kilograms,
Milliliters
}
3 changes: 2 additions & 1 deletion src/Wpf.Ui.Gallery/ViewModels/Pages/Collections/DataGridViewModel.cs
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Expand Up @@ -19,7 +19,7 @@ private static ObservableCollection<Product> GenerateProducts()

var adjectives = new[] { "Red", "Blueberry" };
var names = new[] { "Marmalade", "Dumplings", "Soup" };
/*var units = new[] { "grams", "kilograms", "milliliters" };*/
Unit[] units = [Unit.Grams, Unit.Kilograms, Unit.Milliliters];

for (int i = 0; i < 50; i++)
{
Expand All @@ -32,6 +32,7 @@ private static ObservableCollection<Product> GenerateProducts()
adjectives[random.Next(0, adjectives.Length)]
+ " "
+ names[random.Next(0, names.Length)],
Unit = units[random.Next(0, units.Length)],
UnitPrice = Math.Round(random.NextDouble() * 20.0, 3),
UnitsInStock = random.Next(0, 100),
IsVirtual = random.Next(0, 2) == 1
Expand Down
206 changes: 178 additions & 28 deletions src/Wpf.Ui/Controls/DataGrid/DataGrid.cs
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Expand Up @@ -16,6 +16,10 @@ namespace Wpf.Ui.Controls;
/// </summary>
[StyleTypedProperty(Property = nameof(CheckBoxColumnElementStyle), StyleTargetType = typeof(CheckBox))]
[StyleTypedProperty(Property = nameof(CheckBoxColumnEditingElementStyle), StyleTargetType = typeof(CheckBox))]
[StyleTypedProperty(Property = nameof(ComboBoxColumnElementStyle), StyleTargetType = typeof(ComboBox))]
[StyleTypedProperty(Property = nameof(ComboBoxColumnEditingElementStyle), StyleTargetType = typeof(ComboBox))]
[StyleTypedProperty(Property = nameof(TextColumnElementStyle), StyleTargetType = typeof(TextBlock))]
[StyleTypedProperty(Property = nameof(TextColumnEditingElementStyle), StyleTargetType = typeof(TextBox))]
public class DataGrid : System.Windows.Controls.DataGrid
{
/// <summary>Identifies the <see cref="CheckBoxColumnElementStyle"/> dependency property.</summary>
Expand All @@ -36,6 +40,42 @@ public class DataGrid : System.Windows.Controls.DataGrid
new FrameworkPropertyMetadata(null)
);

/// <summary>Identifies the <see cref="ComboBoxColumnElementStyle"/> dependency property.</summary>
public static readonly DependencyProperty ComboBoxColumnElementStyleProperty =
DependencyProperty.Register(
nameof(ComboBoxColumnElementStyle),
typeof(Style),
typeof(DataGrid),
new FrameworkPropertyMetadata(null)
);

/// <summary>Identifies the <see cref="ComboBoxColumnEditingElementStyle"/> dependency property.</summary>
public static readonly DependencyProperty ComboBoxColumnEditingElementStyleProperty =
DependencyProperty.Register(
nameof(ComboBoxColumnEditingElementStyle),
typeof(Style),
typeof(DataGrid),
new FrameworkPropertyMetadata(null)
);

/// <summary>Identifies the <see cref="TextColumnElementStyle"/> dependency property.</summary>
public static readonly DependencyProperty TextColumnElementStyleProperty =
DependencyProperty.Register(
nameof(TextColumnElementStyle),
typeof(Style),
typeof(DataGrid),
new FrameworkPropertyMetadata(null)
);

/// <summary>Identifies the <see cref="TextColumnEditingElementStyle"/> dependency property.</summary>
public static readonly DependencyProperty TextColumnEditingElementStyleProperty =
DependencyProperty.Register(
nameof(TextColumnEditingElementStyle),
typeof(Style),
typeof(DataGrid),
new FrameworkPropertyMetadata(null)
);

/// <summary>
/// Gets or sets the style which is applied to all checkbox column in the DataGrid
/// </summary>
Expand All @@ -54,6 +94,42 @@ public Style? CheckBoxColumnEditingElementStyle
set => SetValue(CheckBoxColumnEditingElementStyleProperty, value);
}

/// <summary>
/// Gets or sets the style which is applied to all combobox column in the DataGrid
/// </summary>
public Style? ComboBoxColumnElementStyle
{
get => (Style?)GetValue(ComboBoxColumnElementStyleProperty);
set => SetValue(ComboBoxColumnElementStyleProperty, value);
}

/// <summary>
/// Gets or sets the style for all the column comboboxes in the DataGrid
/// </summary>
public Style? ComboBoxColumnEditingElementStyle
{
get => (Style?)GetValue(ComboBoxColumnEditingElementStyleProperty);
set => SetValue(ComboBoxColumnEditingElementStyleProperty, value);
}

/// <summary>
/// Gets or sets the style which is applied to all textbox column in the DataGrid
/// </summary>
public Style? TextColumnElementStyle
{
get => (Style?)GetValue(TextColumnElementStyleProperty);
set => SetValue(TextColumnElementStyleProperty, value);
}

/// <summary>
/// Gets or sets the style for all the column textboxes in the DataGrid
/// </summary>
public Style? TextColumnEditingElementStyle
{
get => (Style?)GetValue(TextColumnEditingElementStyleProperty);
set => SetValue(TextColumnEditingElementStyleProperty, value);
}

protected override void OnInitialized(EventArgs e)
{
Columns.CollectionChanged += ColumnsOnCollectionChanged;
Expand All @@ -78,35 +154,109 @@ private void UpdateColumnElementStyles()

private void UpdateSingleColumn(DataGridColumn dataGridColumn)
{
if (dataGridColumn is DataGridCheckBoxColumn checkBoxColumn)
switch (dataGridColumn)
{
if (
checkBoxColumn.ReadLocalValue(DataGridCheckBoxColumn.ElementStyleProperty)
== DependencyProperty.UnsetValue
)
{
_ = BindingOperations.SetBinding(
checkBoxColumn,
DataGridCheckBoxColumn.ElementStyleProperty,
new Binding { Path = new PropertyPath(CheckBoxColumnElementStyleProperty), Source = this }
);
}

if (
checkBoxColumn.ReadLocalValue(DataGridCheckBoxColumn.EditingElementStyleProperty)
== DependencyProperty.UnsetValue
)
{
_ = BindingOperations.SetBinding(
checkBoxColumn,
DataGridCheckBoxColumn.EditingElementStyleProperty,
new Binding
{
Path = new PropertyPath(CheckBoxColumnEditingElementStyleProperty),
Source = this
}
);
}
case DataGridCheckBoxColumn checkBoxColumn:
if (
checkBoxColumn.ReadLocalValue(DataGridBoundColumn.ElementStyleProperty)
== DependencyProperty.UnsetValue
)
{
_ = BindingOperations.SetBinding(
checkBoxColumn,
DataGridBoundColumn.ElementStyleProperty,
new Binding { Path = new PropertyPath(CheckBoxColumnElementStyleProperty), Source = this }
);
}

if (
checkBoxColumn.ReadLocalValue(DataGridBoundColumn.EditingElementStyleProperty)
== DependencyProperty.UnsetValue
)
{
_ = BindingOperations.SetBinding(
checkBoxColumn,
DataGridBoundColumn.EditingElementStyleProperty,
new Binding
{
Path = new PropertyPath(CheckBoxColumnEditingElementStyleProperty), Source = this
}
);
}

break;

case DataGridComboBoxColumn comboBoxColumn:
if (
comboBoxColumn.ReadLocalValue(DataGridBoundColumn.ElementStyleProperty)
== DependencyProperty.UnsetValue
)
{
_ = BindingOperations.SetBinding(
comboBoxColumn,
DataGridBoundColumn.ElementStyleProperty,
new Binding { Path = new PropertyPath(ComboBoxColumnElementStyleProperty), Source = this }
);
}

if (
comboBoxColumn.ReadLocalValue(DataGridBoundColumn.EditingElementStyleProperty)
== DependencyProperty.UnsetValue
)
{
_ = BindingOperations.SetBinding(
comboBoxColumn,
DataGridBoundColumn.EditingElementStyleProperty,
new Binding
{
Path = new PropertyPath(ComboBoxColumnEditingElementStyleProperty), Source = this
}
);
}

if (
comboBoxColumn.ReadLocalValue(DataGridBoundColumn.EditingElementStyleProperty)
== DependencyProperty.UnsetValue
)
{
_ = BindingOperations.SetBinding(
comboBoxColumn,
DataGridBoundColumn.EditingElementStyleProperty,
new Binding
{
Path = new PropertyPath(ComboBoxColumnEditingElementStyleProperty), Source = this
}
);
}

break;

case DataGridTextColumn textBoxColumn:
if (
textBoxColumn.ReadLocalValue(DataGridBoundColumn.ElementStyleProperty)
== DependencyProperty.UnsetValue
)
{
_ = BindingOperations.SetBinding(
textBoxColumn,
DataGridBoundColumn.ElementStyleProperty,
new Binding { Path = new PropertyPath(TextColumnElementStyleProperty), Source = this }
);
}

if (
textBoxColumn.ReadLocalValue(DataGridBoundColumn.EditingElementStyleProperty)
== DependencyProperty.UnsetValue
)
{
_ = BindingOperations.SetBinding(
textBoxColumn,
DataGridBoundColumn.EditingElementStyleProperty,
new Binding { Path = new PropertyPath(TextColumnEditingElementStyleProperty), Source = this }
);
}

break;
}
}
}
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