Merge pull request #18 from jmacato/cellpressedevent

Add CellPointerPressed event + Make avalonia reference nightly-invariant

src/Avalonia.DataGrid.Themes.Default/Avalonia.DataGrid.Themes.Default.csproj

@@ -5,7 +5,7 @@
   </PropertyGroup>
 
   <ItemGroup>
-    <PackageReference Include="Avalonia" Version="0.6.2-build5800-beta" />
+    <PackageReference Include="Avalonia" Version="0.6.2-*" />
   </ItemGroup>
   <ItemGroup>
     <Compile Update="**\*.xaml.cs">

src/Avalonia.DataGrid/Avalonia.DataGrid.csproj

@@ -5,7 +5,7 @@
   </PropertyGroup>
 
   <ItemGroup>
-    <PackageReference Include="Avalonia" Version="0.6.2-build5800-beta" />
+    <PackageReference Include="Avalonia" Version="0.6.2-*" />
   </ItemGroup>
 
 </Project>

src/Avalonia.DataGrid/DataGrid.cs

@@ -1246,6 +1246,11 @@ namespace Avalonia.Controls
         /// </summary>
         public event EventHandler<DataGridCellEditEndingEventArgs> CellEditEnding;
 
+        /// <summary>
+        /// Occurs when cell is mouse-pressed.
+        /// </summary>
+        public event EventHandler<DataGridCellPointerPressedEventArgs> CellPointerPressed;
+
         /// <summary>
         /// Occurs when the <see cref="P:Avalonia.Controls.DataGridColumn.DisplayIndex" /> 
         /// property of a column changes.
@@ -2222,6 +2227,14 @@ namespace Avalonia.Controls
         {
             CellEditEnding?.Invoke(this, e);
         }
+
+        /// <summary>
+        /// Raises the CellPointerPressed event.
+        /// </summary>
+        internal virtual void OnCellPointerPressed(DataGridCellPointerPressedEventArgs e)
+        {
+            CellPointerPressed?.Invoke(this, e);
+        }
         
         /// <summary>
         /// Raises the CurrentCellChanged event.

src/Avalonia.DataGrid/DataGridCell.cs

@@ -86,7 +86,7 @@ namespace Avalonia.Controls
                        OwningGrid.CurrentSlot == OwningRow.Slot;
             }
         }
-        
+
         private bool IsEdited
         {
             get
@@ -95,7 +95,7 @@ namespace Avalonia.Controls
                        OwningGrid.EditingColumnIndex == ColumnIndex;
             }
         }
-        
+
         private bool IsMouseOver
         {
             get
@@ -127,7 +127,7 @@ namespace Avalonia.Controls
 
             UpdatePseudoClasses();
             _rightGridLine = e.NameScope.Find<Rectangle>(DATAGRIDCELL_elementRightGridLine);
-            if(_rightGridLine != null && OwningColumn == null)
+            if (_rightGridLine != null && OwningColumn == null)
             {
                 // Turn off the right GridLine for filler cells
                 _rightGridLine.IsVisible = false;
@@ -160,23 +160,22 @@ namespace Avalonia.Controls
         //TODO TabStop
         private void DataGridCell_PointerPressed(PointerPressedEventArgs e)
         {
-            if(e.MouseButton != MouseButton.Left)
-            {
-                return;
-            }
-
             // OwningGrid is null for TopLeftHeaderCell and TopRightHeaderCell because they have no OwningRow
             if (OwningGrid != null)
             {
-                if (!e.Handled)
-                //if (!e.Handled && OwningGrid.IsTabStop)
-                {
-                    OwningGrid.Focus();
-                }
-                if (OwningRow != null)
+                OwningGrid.OnCellPointerPressed(new DataGridCellPointerPressedEventArgs(this, OwningRow, OwningColumn, e));
+                if (e.MouseButton == MouseButton.Left)
                 {
-                    e.Handled = OwningGrid.UpdateStateOnMouseLeftButtonDown(e, ColumnIndex, OwningRow.Slot, !e.Handled);
-                    OwningGrid.UpdatedStateOnMouseLeftButtonDown = true;
+                    if (!e.Handled)
+                    //if (!e.Handled && OwningGrid.IsTabStop)
+                    {
+                        OwningGrid.Focus();
+                    }
+                    if (OwningRow != null)
+                    {
+                        e.Handled = OwningGrid.UpdateStateOnMouseLeftButtonDown(e, ColumnIndex, OwningRow.Slot, !e.Handled);
+                        OwningGrid.UpdatedStateOnMouseLeftButtonDown = true;
+                    }
                 }
             }
         }
@@ -262,7 +261,7 @@ namespace Avalonia.Controls
                     _rightGridLine.Fill = OwningGrid.VerticalGridLinesBrush;
                 }
 
-                bool newVisibility = 
+                bool newVisibility =
                     (OwningGrid.GridLinesVisibility == DataGridGridLinesVisibility.Vertical || OwningGrid.GridLinesVisibility == DataGridGridLinesVisibility.All)
                         && (OwningGrid.ColumnsInternal.FillerColumn.IsActive || OwningColumn != lastVisibleColumn);
 
@@ -275,7 +274,7 @@ namespace Avalonia.Controls
 
         private void OnOwningColumnSet(DataGridColumn column)
         {
-            if(column == null)
+            if (column == null)
             {
                 Classes.Clear();
             }
@@ -303,34 +302,34 @@ namespace Avalonia.Controls
     [TemplateVisualState(Name = VisualStates.StateValid, GroupName = VisualStates.GroupValidation)]
     public sealed partial class DataGridCell : ContentControl
     */
-    
 
-        //TODO Styles
-        /// <summary>
-        /// Ensures that the correct Style is applied to this object.
-        /// </summary>
-        /// <param name="previousStyle">Caller's previous associated Style</param>
-        /*internal void EnsureStyle(Style previousStyle)
+
+    //TODO Styles
+    /// <summary>
+    /// Ensures that the correct Style is applied to this object.
+    /// </summary>
+    /// <param name="previousStyle">Caller's previous associated Style</param>
+    /*internal void EnsureStyle(Style previousStyle)
+    {
+        if (Style != null
+            && (OwningColumn == null || Style != OwningColumn.CellStyle)
+            && (OwningGrid == null || Style != OwningGrid.CellStyle)
+            && (Style != previousStyle))
         {
-            if (Style != null
-                && (OwningColumn == null || Style != OwningColumn.CellStyle)
-                && (OwningGrid == null || Style != OwningGrid.CellStyle)
-                && (Style != previousStyle))
-            {
-                return;
-            }
+            return;
+        }
 
-            Style style = null;
-            if (OwningColumn != null)
-            {
-                style = OwningColumn.CellStyle;
-            }
-            if (style == null && OwningGrid != null)
-            {
-                style = OwningGrid.CellStyle;
-            }
-            SetStyleWithType(style);
-        } */
+        Style style = null;
+        if (OwningColumn != null)
+        {
+            style = OwningColumn.CellStyle;
+        }
+        if (style == null && OwningGrid != null)
+        {
+            style = OwningGrid.CellStyle;
+        }
+        SetStyleWithType(style);
+    } */
 
 
 }

src/Avalonia.DataGrid/EventArgs.cs

@@ -3,6 +3,7 @@
 // Please see http://go.microsoft.com/fwlink/?LinkID=131993 for details.
 // All other rights reserved.
 
+using Avalonia.Input;
 using Avalonia.Interactivity;
 using System;
 using System.ComponentModel;
@@ -171,6 +172,52 @@ namespace Avalonia.Controls
         #endregion Properties
     }
     
+
+    /// <summary>
+    /// Provides information after the cell has been pressed.
+    /// </summary>
+    public class DataGridCellPointerPressedEventArgs : EventArgs
+    {
+        /// <summary>
+        /// Instantiates a new instance of this class.
+        /// </summary>
+        /// <param name="cell">The cell that has been pressed.</param>
+        /// <param name="row">The row container of the cell that has been pressed.</param>
+        /// <param name="column">The column of the cell that has been pressed.</param>
+        /// <param name="e">The pointer action that has been taken.</param>
+        public DataGridCellPointerPressedEventArgs(DataGridCell cell, 
+                                                   DataGridRow row,
+                                                   DataGridColumn column,
+                                                   PointerPressedEventArgs e)
+        {
+            Cell = cell;
+            Row = row;
+            Column = column;
+            PointerPressedEventArgs = e;
+        }
+
+        /// <summary>
+        /// The cell that has been pressed.
+        /// </summary> 
+        public DataGridCell Cell { get; }
+
+        /// <summary>
+        /// The row container of the cell that has been pressed.
+        /// </summary> 
+        public DataGridRow Row { get; }
+
+        /// <summary>
+        /// The column of the cell that has been pressed.
+        /// </summary> 
+        public DataGridColumn Column { get; }
+
+        /// <summary>
+        /// The pointer action that has been taken.
+        /// </summary> 
+        public PointerPressedEventArgs PointerPressedEventArgs { get; }
+    }
+
+
     /// <summary>
     /// Provides information just before a cell exits editing mode.
     /// </summary>