Readability changes to datagrid. Functional changes to come
This commit is contained in:
parent
cf05045448
commit
555eb07ec1
@ -16,7 +16,7 @@
|
||||
x:Name="_headerView"
|
||||
RowSpacing="0">
|
||||
<Grid.Resources>
|
||||
<ResourceDictionary>
|
||||
<ResourceDictionary>
|
||||
<!--Default Header Style-->
|
||||
<Style
|
||||
x:Key="HeaderDefaultStyle"
|
||||
|
@ -12,94 +12,190 @@ namespace Aurora.Design.Components.DataGrid
|
||||
{
|
||||
public partial class DataGrid : Grid
|
||||
{
|
||||
#region Private Fields
|
||||
private IList<object> _internalItems;
|
||||
|
||||
private Dictionary<int, SortingOrder> _sortingOrders;
|
||||
private ListView _listView;
|
||||
|
||||
#endregion Fields
|
||||
|
||||
#region Constructor
|
||||
|
||||
public DataGrid() : this(ListViewCachingStrategy.RecycleElement)
|
||||
{
|
||||
}
|
||||
|
||||
public DataGrid(ListViewCachingStrategy cachingStrategy)
|
||||
{
|
||||
InitializeComponent();
|
||||
BackgroundColor = Color.Transparent;
|
||||
|
||||
_sortingOrders = new Dictionary<int, SortingOrder>();
|
||||
|
||||
_listView = new ListView(cachingStrategy)
|
||||
{
|
||||
BackgroundColor = Color.FromHex("#222222"),
|
||||
ItemTemplate = new DataGridRowTemplateSelector(),
|
||||
SeparatorVisibility = SeparatorVisibility.Default,
|
||||
};
|
||||
|
||||
_listView.ItemSelected += (s, e) =>
|
||||
{
|
||||
if (SelectionEnabled)
|
||||
{
|
||||
SelectedItem = _listView.SelectedItem;
|
||||
}
|
||||
else
|
||||
{
|
||||
_listView.SelectedItem = null;
|
||||
}
|
||||
|
||||
ItemSelected?.Invoke(this, e);
|
||||
};
|
||||
|
||||
_listView.Refreshing += (s, e) =>
|
||||
{
|
||||
Refreshing?.Invoke(this, e);
|
||||
};
|
||||
|
||||
_listView.SetBinding(ListView.RowHeightProperty, new Binding("RowHeight", source: this));
|
||||
Grid.SetRow(_listView, 1);
|
||||
Children.Add(_listView);
|
||||
}
|
||||
#endregion Constructor
|
||||
|
||||
#region Public Fields
|
||||
public event EventHandler Refreshing;
|
||||
public event EventHandler<SelectedItemChangedEventArgs> ItemSelected;
|
||||
|
||||
#endregion Public Fields
|
||||
|
||||
#region Bindable properties
|
||||
public static readonly BindableProperty ActiveRowColorProperty =
|
||||
BindableProperty.Create(nameof(ActiveRowColor), typeof(Color), typeof(DataGrid), Color.FromRgb(128, 144, 160),
|
||||
coerceValue: (b, v) =>
|
||||
BindableProperty.Create(
|
||||
nameof(ActiveRowColor),
|
||||
typeof(Color),
|
||||
typeof(DataGrid),
|
||||
Color.FromRgb(128, 144, 160),
|
||||
coerceValue: (bindable, value) =>
|
||||
{
|
||||
if (!(b as DataGrid).SelectionEnabled)
|
||||
if (!(bindable as DataGrid).SelectionEnabled)
|
||||
throw new InvalidOperationException("Datagrid must be SelectionEnabled=true to set ActiveRowColor");
|
||||
return v;
|
||||
return value;
|
||||
});
|
||||
|
||||
public static readonly BindableProperty HeaderBackgroundProperty =
|
||||
BindableProperty.Create(nameof(HeaderBackground), typeof(Color), typeof(DataGrid), Color.White,
|
||||
propertyChanged: (b, o, n) =>
|
||||
BindableProperty.Create(
|
||||
nameof(HeaderBackground),
|
||||
typeof(Color),
|
||||
typeof(DataGrid),
|
||||
Color.White,
|
||||
propertyChanged: (bindable, oldValue, newValue) =>
|
||||
{
|
||||
var self = b as DataGrid;
|
||||
var self = bindable as DataGrid;
|
||||
if (self._headerView != null && !self.HeaderBordersVisible)
|
||||
self._headerView.BackgroundColor = (Color)n;
|
||||
self._headerView.BackgroundColor = (Color)newValue;
|
||||
});
|
||||
|
||||
public static readonly BindableProperty BorderColorProperty =
|
||||
BindableProperty.Create(nameof(BorderColor), typeof(Color), typeof(DataGrid), Color.Black,
|
||||
propertyChanged: (b, o, n) =>
|
||||
BindableProperty.Create(
|
||||
nameof(BorderColor),
|
||||
typeof(Color),
|
||||
typeof(DataGrid),
|
||||
Color.Black,
|
||||
propertyChanged: (bindable, oldValue, newValue) =>
|
||||
{
|
||||
var self = b as DataGrid;
|
||||
var self = bindable as DataGrid;
|
||||
if (self.HeaderBordersVisible)
|
||||
self._headerView.BackgroundColor = (Color)n;
|
||||
self._headerView.BackgroundColor = (Color)newValue;
|
||||
|
||||
if (self.Columns != null && self.ItemsSource != null)
|
||||
self.Reload();
|
||||
});
|
||||
|
||||
public static readonly BindableProperty RowsBackgroundColorPaletteProperty =
|
||||
BindableProperty.Create(nameof(RowsBackgroundColorPalette), typeof(IColorProvider), typeof(DataGrid), new PaletteCollection { default(Color) },
|
||||
propertyChanged: (b, o, n) =>
|
||||
BindableProperty.Create(nameof(RowsBackgroundColorPalette),
|
||||
typeof(IColorProvider),
|
||||
typeof(DataGrid),
|
||||
new PaletteCollection { default(Color) },
|
||||
propertyChanged: (bindable, oldValue, newValue) =>
|
||||
{
|
||||
var self = b as DataGrid;
|
||||
var self = bindable as DataGrid;
|
||||
if (self.Columns != null && self.ItemsSource != null)
|
||||
self.Reload();
|
||||
});
|
||||
|
||||
public static readonly BindableProperty RowsTextColorPaletteProperty =
|
||||
BindableProperty.Create(nameof(RowsTextColorPalette), typeof(IColorProvider), typeof(DataGrid), new PaletteCollection { Color.Black },
|
||||
propertyChanged: (b, o, n) =>
|
||||
BindableProperty.Create(
|
||||
nameof(RowsTextColorPalette),
|
||||
typeof(IColorProvider),
|
||||
typeof(DataGrid),
|
||||
new PaletteCollection { Color.Black },
|
||||
propertyChanged: (bindable, oldValue, newValue) =>
|
||||
{
|
||||
var self = b as DataGrid;
|
||||
var self = bindable as DataGrid;
|
||||
if (self.Columns != null && self.ItemsSource != null)
|
||||
self.Reload();
|
||||
});
|
||||
|
||||
public static readonly BindableProperty ColumnsProperty =
|
||||
BindableProperty.Create(nameof(Columns), typeof(ColumnCollection), typeof(DataGrid),
|
||||
propertyChanged: (b, o, n) => (b as DataGrid).InitHeaderView(),
|
||||
defaultValueCreator: b => { return new ColumnCollection(); }
|
||||
BindableProperty.Create(
|
||||
nameof(Columns),
|
||||
typeof(ColumnCollection),
|
||||
typeof(DataGrid),
|
||||
propertyChanged: (bindable, oldValue, newValue) =>
|
||||
{
|
||||
(bindable as DataGrid).InitHeaderView();
|
||||
},
|
||||
defaultValueCreator: bindable => { return new ColumnCollection(); }
|
||||
);
|
||||
|
||||
public static readonly BindableProperty ItemsSourceProperty =
|
||||
BindableProperty.Create(nameof(ItemsSource), typeof(IEnumerable), typeof(DataGrid), null,
|
||||
propertyChanged: (b, o, n) =>
|
||||
BindableProperty.Create(
|
||||
nameof(ItemsSource),
|
||||
typeof(IEnumerable),
|
||||
typeof(DataGrid),
|
||||
null,
|
||||
propertyChanged: (bindable, oldValue, newValue) =>
|
||||
{
|
||||
DataGrid self = b as DataGrid;
|
||||
DataGrid self = bindable as DataGrid;
|
||||
//ObservableCollection Tracking
|
||||
if (o != null && o is INotifyCollectionChanged)
|
||||
(o as INotifyCollectionChanged).CollectionChanged -= self.HandleItemsSourceCollectionChanged;
|
||||
if (oldValue != null && oldValue is INotifyCollectionChanged)
|
||||
(oldValue as INotifyCollectionChanged).CollectionChanged -= self.HandleItemsSourceCollectionChanged;
|
||||
|
||||
if (n != null)
|
||||
if (newValue != null)
|
||||
{
|
||||
if (n is INotifyCollectionChanged)
|
||||
(n as INotifyCollectionChanged).CollectionChanged += self.HandleItemsSourceCollectionChanged;
|
||||
|
||||
self.InternalItems = new List<object>(((IEnumerable)n).Cast<object>());
|
||||
if (newValue is INotifyCollectionChanged)
|
||||
{
|
||||
(newValue as INotifyCollectionChanged).CollectionChanged += self.HandleItemsSourceCollectionChanged;
|
||||
}
|
||||
self.InternalItems = new List<object>(((IEnumerable)newValue).Cast<object>());
|
||||
//Assign listview item source
|
||||
// self._listView.ItemsSource = self.InternalItems;
|
||||
self._listView.SetBinding(ListView.ItemsSourceProperty, new Binding("ItemsSource", source: self));
|
||||
}
|
||||
|
||||
if (self.SelectedItem != null && !self.InternalItems.Contains(self.SelectedItem))
|
||||
{
|
||||
self.SelectedItem = null;
|
||||
}
|
||||
|
||||
|
||||
if (self.NoDataView != null)
|
||||
{
|
||||
if (self.ItemsSource == null || self.InternalItems.Count() == 0)
|
||||
{
|
||||
self._noDataView.IsVisible = true;
|
||||
}
|
||||
|
||||
else if (self._noDataView.IsVisible)
|
||||
{
|
||||
self._noDataView.IsVisible = false;
|
||||
}
|
||||
}
|
||||
});
|
||||
void HandleItemsSourceCollectionChanged(object sender, NotifyCollectionChangedEventArgs e)
|
||||
private void HandleItemsSourceCollectionChanged(object sender, NotifyCollectionChangedEventArgs e)
|
||||
{
|
||||
// InternalItems = new List<object>(((IEnumerable)sender).Cast<object>());
|
||||
if (e.NewItems != null)
|
||||
@ -118,24 +214,26 @@ namespace Aurora.Design.Components.DataGrid
|
||||
}
|
||||
}
|
||||
if (SelectedItem != null && !InternalItems.Contains(SelectedItem))
|
||||
{
|
||||
SelectedItem = null;
|
||||
}
|
||||
}
|
||||
|
||||
public static readonly BindableProperty RowHeightProperty =
|
||||
BindableProperty.Create(nameof(RowHeight), typeof(int), typeof(DataGrid), 40,
|
||||
propertyChanged: (b, o, n) =>
|
||||
propertyChanged: (bindable, oldValue, newValue) =>
|
||||
{
|
||||
var self = b as DataGrid;
|
||||
self._listView.RowHeight = (int)n;
|
||||
var self = bindable as DataGrid;
|
||||
self._listView.RowHeight = (int)newValue;
|
||||
});
|
||||
|
||||
|
||||
public static readonly BindableProperty HeaderHeightProperty =
|
||||
BindableProperty.Create(nameof(HeaderHeight), typeof(int), typeof(DataGrid), 40,
|
||||
propertyChanged: (b, o, n) =>
|
||||
propertyChanged: (bindable, oldValue, newValue) =>
|
||||
{
|
||||
var self = b as DataGrid;
|
||||
self._headerView.HeightRequest = (int)n;
|
||||
var self = bindable as DataGrid;
|
||||
self._headerView.HeightRequest = (int)newValue;
|
||||
});
|
||||
|
||||
public static readonly BindableProperty IsSortableProperty =
|
||||
@ -145,43 +243,62 @@ namespace Aurora.Design.Components.DataGrid
|
||||
BindableProperty.Create(nameof(FontSize), typeof(double), typeof(DataGrid), 13.0);
|
||||
|
||||
public static readonly BindableProperty FontFamilyProperty =
|
||||
BindableProperty.Create(nameof(FontFamily), typeof(string), typeof(DataGrid), Font.Default.FontFamily);
|
||||
BindableProperty.Create(
|
||||
nameof(FontFamily),
|
||||
typeof(string),
|
||||
typeof(DataGrid),
|
||||
Font.Default.FontFamily);
|
||||
|
||||
public static readonly BindableProperty SelectedItemProperty =
|
||||
BindableProperty.Create(nameof(SelectedItem), typeof(object), typeof(DataGrid), null, BindingMode.TwoWay,
|
||||
coerceValue: (b, v) =>
|
||||
BindableProperty.Create(
|
||||
nameof(SelectedItem),
|
||||
typeof(object),
|
||||
typeof(DataGrid),
|
||||
null,
|
||||
BindingMode.TwoWay,
|
||||
coerceValue: (bindable, value) =>
|
||||
{
|
||||
var self = b as DataGrid;
|
||||
if (!self.SelectionEnabled && v != null)
|
||||
var self = bindable as DataGrid;
|
||||
if (!self.SelectionEnabled && value != null)
|
||||
{
|
||||
throw new InvalidOperationException("Datagrid must be SelectionEnabled=true to set SelectedItem");
|
||||
if (self.InternalItems != null && self.InternalItems.Contains(v))
|
||||
return v;
|
||||
}
|
||||
if (self.InternalItems != null && self.InternalItems.Contains(value))
|
||||
{
|
||||
return value;
|
||||
}
|
||||
else
|
||||
{
|
||||
return null;
|
||||
}
|
||||
},
|
||||
propertyChanged: (b, o, n) =>
|
||||
propertyChanged: (bindable, oldValue, newValue) =>
|
||||
{
|
||||
var self = b as DataGrid;
|
||||
if (self._listView.SelectedItem != n)
|
||||
self._listView.SelectedItem = n;
|
||||
var self = bindable as DataGrid;
|
||||
if (self._listView.SelectedItem != newValue)
|
||||
{
|
||||
self._listView.SelectedItem = newValue;
|
||||
}
|
||||
}
|
||||
);
|
||||
|
||||
public static readonly BindableProperty SelectionEnabledProperty =
|
||||
BindableProperty.Create(nameof(SelectionEnabled), typeof(bool), typeof(DataGrid), true,
|
||||
propertyChanged: (b, o, n) =>
|
||||
propertyChanged: (bindable, oldValue, newValue) =>
|
||||
{
|
||||
var self = b as DataGrid;
|
||||
var self = bindable as DataGrid;
|
||||
if (!self.SelectionEnabled && self.SelectedItem != null)
|
||||
{
|
||||
self.SelectedItem = null;
|
||||
}
|
||||
});
|
||||
|
||||
public static readonly BindableProperty PullToRefreshCommandProperty =
|
||||
BindableProperty.Create(nameof(PullToRefreshCommand), typeof(ICommand), typeof(DataGrid), null,
|
||||
propertyChanged: (b, o, n) =>
|
||||
propertyChanged: (bindable, oldValue, newValue) =>
|
||||
{
|
||||
var self = b as DataGrid;
|
||||
if (n == null)
|
||||
var self = bindable as DataGrid;
|
||||
if (newValue == null)
|
||||
{
|
||||
self._listView.IsPullToRefreshEnabled = false;
|
||||
self._listView.RefreshCommand = null;
|
||||
@ -189,31 +306,52 @@ namespace Aurora.Design.Components.DataGrid
|
||||
else
|
||||
{
|
||||
self._listView.IsPullToRefreshEnabled = true;
|
||||
self._listView.RefreshCommand = n as ICommand;
|
||||
self._listView.RefreshCommand = newValue as ICommand;
|
||||
}
|
||||
});
|
||||
|
||||
public static readonly BindableProperty IsRefreshingProperty =
|
||||
BindableProperty.Create(nameof(IsRefreshing), typeof(bool), typeof(DataGrid), false, BindingMode.TwoWay,
|
||||
propertyChanged: (b, o, n) => (b as DataGrid)._listView.IsRefreshing = (bool)n);
|
||||
BindableProperty.Create(
|
||||
nameof(IsRefreshing),
|
||||
typeof(bool),
|
||||
typeof(DataGrid),
|
||||
false,
|
||||
BindingMode.TwoWay,
|
||||
propertyChanged: (bindable, oldValue, newValue) =>
|
||||
{
|
||||
(bindable as DataGrid)._listView.IsRefreshing = (bool)newValue;
|
||||
});
|
||||
|
||||
public static readonly BindableProperty BorderThicknessProperty =
|
||||
BindableProperty.Create(nameof(BorderThickness), typeof(Thickness), typeof(DataGrid), new Thickness(1),
|
||||
propertyChanged: (b, o, n) =>
|
||||
BindableProperty.Create(
|
||||
nameof(BorderThickness),
|
||||
typeof(Thickness),
|
||||
typeof(DataGrid),
|
||||
new Thickness(1),
|
||||
propertyChanged: (bindable, oldValue, newValue) =>
|
||||
{
|
||||
(b as DataGrid)._headerView.ColumnSpacing = ((Thickness)n).HorizontalThickness / 2;
|
||||
(b as DataGrid)._headerView.Padding = ((Thickness)n).HorizontalThickness / 2;
|
||||
(bindable as DataGrid)._headerView.ColumnSpacing = ((Thickness)newValue).HorizontalThickness / 2;
|
||||
(bindable as DataGrid)._headerView.Padding = ((Thickness)newValue).HorizontalThickness / 2;
|
||||
});
|
||||
|
||||
public static readonly BindableProperty HeaderBordersVisibleProperty =
|
||||
BindableProperty.Create(nameof(HeaderBordersVisible), typeof(bool), typeof(DataGrid), true,
|
||||
propertyChanged: (b, o, n) => (b as DataGrid)._headerView.BackgroundColor = (bool)n ? (b as DataGrid).BorderColor : (b as DataGrid).HeaderBackground);
|
||||
BindableProperty.Create(
|
||||
nameof(HeaderBordersVisible),
|
||||
typeof(bool),
|
||||
typeof(DataGrid),
|
||||
true,
|
||||
propertyChanged: (bindable, oldValue, newValue) => (bindable as DataGrid)._headerView.BackgroundColor = (bool)newValue ? (bindable as DataGrid).BorderColor : (bindable as DataGrid).HeaderBackground);
|
||||
|
||||
public static readonly BindableProperty SortedColumnIndexProperty =
|
||||
BindableProperty.Create(nameof(SortedColumnIndex), typeof(SortData), typeof(DataGrid), null, BindingMode.TwoWay,
|
||||
validateValue: (b, v) =>
|
||||
BindableProperty.Create(
|
||||
nameof(SortedColumnIndex),
|
||||
typeof(SortData),
|
||||
typeof(DataGrid),
|
||||
null,
|
||||
BindingMode.TwoWay,
|
||||
validateValue: (bindable, v) =>
|
||||
{
|
||||
var self = b as DataGrid;
|
||||
var self = bindable as DataGrid;
|
||||
var sData = (SortData)v;
|
||||
|
||||
return
|
||||
@ -222,11 +360,11 @@ namespace Aurora.Design.Components.DataGrid
|
||||
self.Columns.Count == 0 || //columns not setted yet
|
||||
(sData.Index < self.Columns.Count && self.Columns.ElementAt(sData.Index).SortingEnabled);
|
||||
},
|
||||
propertyChanged: (b, o, n) =>
|
||||
propertyChanged: (bindable, oldValue, newValue) =>
|
||||
{
|
||||
var self = b as DataGrid;
|
||||
if (o != n)
|
||||
self.SortItems((SortData)n);
|
||||
var self = bindable as DataGrid;
|
||||
if (oldValue != newValue)
|
||||
self.SortItems((SortData)newValue);
|
||||
});
|
||||
|
||||
|
||||
@ -234,18 +372,28 @@ namespace Aurora.Design.Components.DataGrid
|
||||
BindableProperty.Create(nameof(HeaderLabelStyle), typeof(Style), typeof(DataGrid));
|
||||
|
||||
public static readonly BindableProperty AscendingIconProperty =
|
||||
BindableProperty.Create(nameof(AscendingIcon), typeof(ImageSource), typeof(DataGrid), ImageSource.FromResource("Xamarin.Forms.DataGrid.up.png", typeof(DataGrid).GetTypeInfo().Assembly));
|
||||
BindableProperty.Create(
|
||||
nameof(AscendingIcon),
|
||||
typeof(ImageSource),
|
||||
typeof(DataGrid),
|
||||
ImageSource.FromResource("Xamarin.Forms.DataGrid.up.png",
|
||||
typeof(DataGrid).GetTypeInfo().Assembly));
|
||||
|
||||
public static readonly BindableProperty DescendingIconProperty =
|
||||
BindableProperty.Create(nameof(DescendingIcon), typeof(ImageSource), typeof(DataGrid), ImageSource.FromResource("Xamarin.Forms.DataGrid.down.png", typeof(DataGrid).GetTypeInfo().Assembly));
|
||||
BindableProperty.Create(
|
||||
nameof(DescendingIcon),
|
||||
typeof(ImageSource),
|
||||
typeof(DataGrid),
|
||||
ImageSource.FromResource("Xamarin.Forms.DataGrid.down.png",
|
||||
typeof(DataGrid).GetTypeInfo().Assembly));
|
||||
|
||||
public static readonly BindableProperty DescendingIconStyleProperty =
|
||||
BindableProperty.Create(nameof(DescendingIconStyle), typeof(Style), typeof(DataGrid), null,
|
||||
|
||||
propertyChanged: (b, o, n) =>
|
||||
propertyChanged: (bindable, oldValue, newValue) =>
|
||||
{
|
||||
var self = b as DataGrid;
|
||||
var style = (n as Style).Setters.FirstOrDefault(x => x.Property == Image.SourceProperty);
|
||||
var self = bindable as DataGrid;
|
||||
var style = (newValue as Style).Setters.FirstOrDefault(x => x.Property == Image.SourceProperty);
|
||||
if (style != null)
|
||||
{
|
||||
if (style.Value is string vs)
|
||||
@ -257,19 +405,19 @@ namespace Aurora.Design.Components.DataGrid
|
||||
|
||||
public static readonly BindableProperty AscendingIconStyleProperty =
|
||||
BindableProperty.Create(nameof(AscendingIconStyle), typeof(Style), typeof(DataGrid), null,
|
||||
coerceValue: (b, v) =>
|
||||
coerceValue: (bindable, v) =>
|
||||
{
|
||||
var self = b as DataGrid;
|
||||
var self = bindable as DataGrid;
|
||||
|
||||
return v;
|
||||
},
|
||||
|
||||
propertyChanged: (b, o, n) =>
|
||||
propertyChanged: (bindable, oldValue, newValue) =>
|
||||
{
|
||||
var self = b as DataGrid;
|
||||
if ((n as Style).Setters.Any(x => x.Property == Image.SourceProperty))
|
||||
var self = bindable as DataGrid;
|
||||
if ((newValue as Style).Setters.Any(x => x.Property == Image.SourceProperty))
|
||||
{
|
||||
var style = (n as Style).Setters.FirstOrDefault(x => x.Property == Image.SourceProperty);
|
||||
var style = (newValue as Style).Setters.FirstOrDefault(x => x.Property == Image.SourceProperty);
|
||||
if (style != null)
|
||||
{
|
||||
if (style.Value is string vs)
|
||||
@ -282,10 +430,10 @@ namespace Aurora.Design.Components.DataGrid
|
||||
|
||||
public static readonly BindableProperty NoDataViewProperty =
|
||||
BindableProperty.Create(nameof(NoDataView), typeof(View), typeof(DataGrid),
|
||||
propertyChanged: (b, o, n) =>
|
||||
propertyChanged: (bindable, oldValue, newValue) =>
|
||||
{
|
||||
if (o != n)
|
||||
(b as DataGrid)._noDataView.Content = n as View;
|
||||
if (oldValue != newValue)
|
||||
(bindable as DataGrid)._noDataView.Content = newValue as View;
|
||||
});
|
||||
#endregion
|
||||
|
||||
@ -332,19 +480,21 @@ namespace Aurora.Design.Components.DataGrid
|
||||
set { SetValue(ItemsSourceProperty, value); }
|
||||
}
|
||||
|
||||
IList<object> _internalItems;
|
||||
|
||||
internal IList<object> InternalItems
|
||||
{
|
||||
get { return _internalItems; }
|
||||
set
|
||||
{
|
||||
_internalItems = value;
|
||||
if (value != _internalItems)
|
||||
{
|
||||
_internalItems = value;
|
||||
if (IsSortable && SortedColumnIndex != null)
|
||||
{
|
||||
SortItems(SortedColumnIndex);
|
||||
}
|
||||
}
|
||||
// _listView.ItemsSource = _internalItems;
|
||||
|
||||
if (IsSortable && SortedColumnIndex != null)
|
||||
SortItems(SortedColumnIndex);
|
||||
else
|
||||
_listView.ItemsSource = _internalItems;
|
||||
}
|
||||
}
|
||||
|
||||
@ -469,52 +619,6 @@ namespace Aurora.Design.Components.DataGrid
|
||||
}
|
||||
#endregion
|
||||
|
||||
#region Fields
|
||||
Dictionary<int, SortingOrder> _sortingOrders;
|
||||
ListView _listView;
|
||||
#endregion
|
||||
|
||||
#region ctor
|
||||
|
||||
public DataGrid() : this(ListViewCachingStrategy.RecycleElement)
|
||||
{
|
||||
}
|
||||
|
||||
public DataGrid(ListViewCachingStrategy cachingStrategy)
|
||||
{
|
||||
InitializeComponent();
|
||||
BackgroundColor = Color.Transparent;
|
||||
|
||||
_sortingOrders = new Dictionary<int, SortingOrder>();
|
||||
|
||||
_listView = new ListView(cachingStrategy)
|
||||
{
|
||||
BackgroundColor = Color.FromHex("#222222"),
|
||||
ItemTemplate = new DataGridRowTemplateSelector(),
|
||||
SeparatorVisibility = SeparatorVisibility.Default,
|
||||
};
|
||||
|
||||
_listView.ItemSelected += (s, e) =>
|
||||
{
|
||||
if (SelectionEnabled)
|
||||
SelectedItem = _listView.SelectedItem;
|
||||
else
|
||||
_listView.SelectedItem = null;
|
||||
|
||||
ItemSelected?.Invoke(this, e);
|
||||
};
|
||||
|
||||
_listView.Refreshing += (s, e) =>
|
||||
{
|
||||
Refreshing?.Invoke(this, e);
|
||||
};
|
||||
|
||||
_listView.SetBinding(ListView.RowHeightProperty, new Binding("RowHeight", source: this));
|
||||
Grid.SetRow(_listView, 1);
|
||||
Children.Add(_listView);
|
||||
}
|
||||
#endregion
|
||||
|
||||
#region UI Methods
|
||||
protected override void OnParentSet()
|
||||
{
|
||||
@ -528,13 +632,64 @@ namespace Aurora.Design.Components.DataGrid
|
||||
SetColumnsBindingContext();
|
||||
}
|
||||
|
||||
#endregion
|
||||
|
||||
#region Private Methods
|
||||
|
||||
private void Reload()
|
||||
{
|
||||
InternalItems = new List<object>(_internalItems);
|
||||
}
|
||||
#endregion
|
||||
private void SortItems(SortData sData)
|
||||
{
|
||||
if (InternalItems == null || sData.Index >= Columns.Count || !Columns[sData.Index].SortingEnabled)
|
||||
return;
|
||||
|
||||
#region Header Creation Methods
|
||||
var items = InternalItems;
|
||||
var column = Columns[sData.Index];
|
||||
SortingOrder order = sData.Order;
|
||||
|
||||
if (!IsSortable)
|
||||
throw new InvalidOperationException("This DataGrid is not sortable");
|
||||
else if (column.PropertyName == null)
|
||||
throw new InvalidOperationException("Please set the PropertyName property of Column");
|
||||
|
||||
//Sort
|
||||
if (order == SortingOrder.Descendant)
|
||||
items = items.OrderByDescending(x => ReflectionUtils.GetValueByPath(x, column.PropertyName)).ToList();
|
||||
else
|
||||
items = items.OrderBy(x => ReflectionUtils.GetValueByPath(x, column.PropertyName)).ToList();
|
||||
|
||||
column.SortingIcon.Style = (order == SortingOrder.Descendant) ?
|
||||
AscendingIconStyle ?? (Style)_headerView.Resources["DescendingIconStyle"] :
|
||||
DescendingIconStyle ?? (Style)_headerView.Resources["AscendingIconStyle"];
|
||||
|
||||
//Support DescendingIcon property (if setted)
|
||||
if (!column.SortingIcon.Style.Setters.Any(x => x.Property == Image.SourceProperty))
|
||||
{
|
||||
if (order == SortingOrder.Descendant && DescendingIconProperty.DefaultValue != DescendingIcon)
|
||||
column.SortingIcon.Source = DescendingIcon;
|
||||
if (order == SortingOrder.Ascendant && AscendingIconProperty.DefaultValue != AscendingIcon)
|
||||
column.SortingIcon.Source = AscendingIcon;
|
||||
}
|
||||
|
||||
for (int i = 0; i < Columns.Count; i++)
|
||||
{
|
||||
if (i != sData.Index)
|
||||
{
|
||||
if (Columns[i].SortingIcon.Style != null)
|
||||
Columns[i].SortingIcon.Style = null;
|
||||
if (Columns[i].SortingIcon.Source != null)
|
||||
Columns[i].SortingIcon.Source = null;
|
||||
_sortingOrders[i] = SortingOrder.None;
|
||||
}
|
||||
}
|
||||
|
||||
_internalItems = items;
|
||||
|
||||
_sortingOrders[sData.Index] = order;
|
||||
SortedColumnIndex = sData;
|
||||
}
|
||||
|
||||
private View GetHeaderViewForColumn(DataGridColumn column)
|
||||
{
|
||||
@ -604,61 +759,7 @@ namespace Aurora.Design.Components.DataGrid
|
||||
foreach (var c in Columns)
|
||||
c.BindingContext = BindingContext;
|
||||
}
|
||||
#endregion
|
||||
|
||||
#region Sorting methods
|
||||
internal void SortItems(SortData sData)
|
||||
{
|
||||
if (InternalItems == null || sData.Index >= Columns.Count || !Columns[sData.Index].SortingEnabled)
|
||||
return;
|
||||
|
||||
var items = InternalItems;
|
||||
var column = Columns[sData.Index];
|
||||
SortingOrder order = sData.Order;
|
||||
|
||||
if (!IsSortable)
|
||||
throw new InvalidOperationException("This DataGrid is not sortable");
|
||||
else if (column.PropertyName == null)
|
||||
throw new InvalidOperationException("Please set the PropertyName property of Column");
|
||||
|
||||
//Sort
|
||||
if (order == SortingOrder.Descendant)
|
||||
items = items.OrderByDescending(x => ReflectionUtils.GetValueByPath(x, column.PropertyName)).ToList();
|
||||
else
|
||||
items = items.OrderBy(x => ReflectionUtils.GetValueByPath(x, column.PropertyName)).ToList();
|
||||
|
||||
column.SortingIcon.Style = (order == SortingOrder.Descendant) ?
|
||||
AscendingIconStyle ?? (Style)_headerView.Resources["DescendingIconStyle"] :
|
||||
DescendingIconStyle ?? (Style)_headerView.Resources["AscendingIconStyle"];
|
||||
|
||||
//Support DescendingIcon property (if setted)
|
||||
if (!column.SortingIcon.Style.Setters.Any(x => x.Property == Image.SourceProperty))
|
||||
{
|
||||
if (order == SortingOrder.Descendant && DescendingIconProperty.DefaultValue != DescendingIcon)
|
||||
column.SortingIcon.Source = DescendingIcon;
|
||||
if (order == SortingOrder.Ascendant && AscendingIconProperty.DefaultValue != AscendingIcon)
|
||||
column.SortingIcon.Source = AscendingIcon;
|
||||
}
|
||||
|
||||
for (int i = 0; i < Columns.Count; i++)
|
||||
{
|
||||
if (i != sData.Index)
|
||||
{
|
||||
if (Columns[i].SortingIcon.Style != null)
|
||||
Columns[i].SortingIcon.Style = null;
|
||||
if (Columns[i].SortingIcon.Source != null)
|
||||
Columns[i].SortingIcon.Source = null;
|
||||
_sortingOrders[i] = SortingOrder.None;
|
||||
}
|
||||
}
|
||||
|
||||
_internalItems = items;
|
||||
|
||||
_sortingOrders[sData.Index] = order;
|
||||
SortedColumnIndex = sData;
|
||||
|
||||
_listView.ItemsSource = _internalItems;
|
||||
}
|
||||
#endregion
|
||||
#endregion Private Methods
|
||||
}
|
||||
}
|
||||
|
@ -8,7 +8,13 @@ namespace Aurora.Design.Components.DataGrid
|
||||
#region bindable properties
|
||||
public static readonly BindableProperty WidthProperty =
|
||||
BindableProperty.Create(nameof(Width), typeof(GridLength), typeof(DataGridColumn), new GridLength(1, GridUnitType.Star),
|
||||
propertyChanged: (b, o, n) => { if (o != n) (b as DataGridColumn).OnSizeChanged(); });
|
||||
propertyChanged: (bindable, oldValue, newValue) =>
|
||||
{
|
||||
if (oldValue != newValue)
|
||||
{
|
||||
(bindable as DataGridColumn).OnSizeChanged();
|
||||
};
|
||||
});
|
||||
|
||||
public static readonly BindableProperty TitleProperty =
|
||||
BindableProperty.Create(nameof(Title), typeof(string), typeof(DataGridColumn), string.Empty,
|
||||
|
@ -1,12 +0,0 @@
|
||||
namespace Aurora.Design.Components.DataGrid
|
||||
{
|
||||
public static class DataGridComponent
|
||||
{
|
||||
/// <summary>
|
||||
/// You should call this method for loding the assembly
|
||||
/// </summary>
|
||||
public static void Init()
|
||||
{
|
||||
}
|
||||
}
|
||||
}
|
@ -1,9 +1,7 @@
|
||||
using System;
|
||||
using System.Collections.Generic;
|
||||
using System.Collections.ObjectModel;
|
||||
using System.Linq;
|
||||
using Xamarin.Forms;
|
||||
using Aurora.Models.Media;
|
||||
using System.ComponentModel;
|
||||
using System.Collections.Specialized;
|
||||
|
||||
|
Reference in New Issue
Block a user