73 lines
2.3 KiB
C#
73 lines
2.3 KiB
C#
namespace Common.UI.Controls
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{
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using Common.UI.ViewModels;
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using System.Collections.Generic;
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using System.Linq;
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using System.Windows;
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using System.Windows.Controls;
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public partial class GridLayout : Grid
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{
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public static readonly DependencyProperty ItemsSourceProperty = DependencyProperty.Register(
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name: nameof(ItemsSource)
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, propertyType: typeof(IEnumerable<GridItem>)
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, ownerType: typeof(GridLayout)
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, typeMetadata: new FrameworkPropertyMetadata(null, ItemsSourceChanged));
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public GridLayout() => this.InitializeComponent();
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public IEnumerable<GridItem> ItemsSource
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{
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get => this.GetValue(ItemsSourceProperty) as IEnumerable<GridItem>;
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set => this.SetValue(ItemsSourceProperty, value);
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}
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private void UpdateItemsCollection()
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{
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if (this.ItemsSource?.Count() <= 0)
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{
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return;
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}
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this.Children.Clear();
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this.RowDefinitions.Clear();
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this.ColumnDefinitions.Clear();
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var rowsCount = this.ItemsSource.Max(x => x.Row) + 1;
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for (var i = 0; i < rowsCount; i++)
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{
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this.RowDefinitions.Add(new RowDefinition { Height = GridLength.Auto });
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}
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var columnsCount = this.ItemsSource.Max(x => x.Column) + 1;
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for (var i = 0; i < columnsCount; i++)
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{
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this.ColumnDefinitions.Add(new ColumnDefinition { Width = new GridLength(1, GridUnitType.Star)/*, MinWidth = 200*/ });
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}
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foreach (var item in this.ItemsSource)
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{
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var content = new ContentControl { Content = item };
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SetRow(content, item.Row);
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SetRowSpan(content, item.RowSpan);
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SetColumn(content, item.Column);
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SetColumnSpan(content, item.ColumnSpan);
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this.Children.Add(content);
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}
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}
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private static void ItemsSourceChanged(DependencyObject control, DependencyPropertyChangedEventArgs args)
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{
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if (control is GridLayout gridLayout)
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{
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gridLayout.Dispatcher.Invoke(gridLayout.UpdateItemsCollection);
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}
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}
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}
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}
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