public void DrawableCellAsFirstColumnShouldNotBeWhite()
{
ManualForm("Both cells should show the same", form =>
{
TreeGridView tree = new TreeGridView();
// add first drawable (it will be rendered all white!
var drawableCell1 = new DrawableCell();
drawableCell1.Paint += drawableCell_Paint;
tree.Columns.Add(new GridColumn {
HeaderText = "not working", DataCell = drawableCell1, Width = 200
});
// add the second drawable
var drawableCell2 = new DrawableCell();
drawableCell2.Paint += drawableCell_Paint;
tree.Columns.Add(new GridColumn {
HeaderText = "working", DataCell = drawableCell2, Width = 200
});
// add some data to the tree just to populate it
TreeGridItemCollection model = new TreeGridItemCollection();
TreeGridItem item1 = new TreeGridItem();
item1.Values = new object[] { "text" };
TreeGridItem item2 = new TreeGridItem();
item2.Values = new object[] { "text" };
item1.Children.Add(item2);
item1.Expanded = true;
model.Add(item1);
tree.DataStore = model;
return(tree);
});
}
GridView Default(IEnumerable <object> items)
{
var control = new GridView
{
Size = new Size(300, 100),
DataStore = items
};
LogEvents(control);
var dropDown = MyDropDown("DropDownKey");
control.Columns.Add(new GridColumn {
DataCell = new CheckBoxCell("Check"), Editable = true, AutoSize = true, Resizable = false
});
control.Columns.Add(new GridColumn {
HeaderText = "Image", DataCell = new ImageViewCell("Image")
});
control.Columns.Add(new GridColumn {
HeaderText = "Text", DataCell = new TextBoxCell("Text"), Editable = true, Sortable = true
});
control.Columns.Add(new GridColumn {
HeaderText = "Drop Down", DataCell = dropDown, Editable = true, Sortable = true
});
if (Platform.Supports <DrawableCell>())
{
var drawableCell = new DrawableCell();
drawableCell.Paint += (sender, e) =>
{
var m = e.Item as MyGridItem;
if (m != null)
{
if (e.CellState.HasFlag(DrawableCellStates.Selected))
{
e.Graphics.FillRectangle(Colors.Blue, e.ClipRectangle);
}
else
{
e.Graphics.FillRectangle(Brushes.Cached(m.Color), e.ClipRectangle);
}
var rect = e.ClipRectangle;
rect.Inflate(-5, -5);
e.Graphics.DrawRectangle(Colors.White, rect);
e.Graphics.DrawLine(Colors.White, rect.Left, rect.Bottom, rect.MiddleX, rect.Top);
e.Graphics.DrawLine(Colors.White, rect.Right, rect.Bottom, rect.MiddleX, rect.Top);
}
};
control.Columns.Add(new GridColumn
{
HeaderText = "Owner drawn",
DataCell = drawableCell
});
}
return(control);
}
GridView Default(bool addItems = true)
{
var control = new GridView
{
Size = new Size(300, 100)
};
LogEvents(control);
var dropDown = MyDropDown("DropDownKey");
control.Columns.Add(new GridColumn {
DataCell = new CheckBoxCell("Check"), Editable = true, AutoSize = true, Resizable = false
});
control.Columns.Add(new GridColumn {
HeaderText = "Image", DataCell = new ImageViewCell("Image")
});
control.Columns.Add(new GridColumn {
HeaderText = "Text", DataCell = new TextBoxCell("Text"), Editable = true, Sortable = true
});
control.Columns.Add(new GridColumn {
HeaderText = "Drop Down", DataCell = dropDown, Editable = true, Sortable = true
});
#if Windows // Drawable cells - need to implement on other platforms.
var drawableCell = new DrawableCell
{
PaintHandler = args => {
var m = args.Item as MyGridItem;
if (m != null)
{
args.Graphics.FillRectangle(Brushes.Cached(m.Color) as SolidBrush, args.CellBounds);
}
}
};
control.Columns.Add(new GridColumn {
HeaderText = "Owner drawn", DataCell = drawableCell
});
#endif
if (addItems)
{
var items = new DataStoreCollection();
var rand = new Random();
for (int i = 0; i < 10000; i++)
{
items.Add(new MyGridItem(rand, i, dropDown));
}
control.DataStore = items;
}
return(control);
}
GridView CreateGrid()
{
var control = new GridView
{
Size = new Size(300, 100)
};
LogEvents(control);
var dropDown = MyDropDown("DropDownKey");
control.Columns.Add(new GridColumn {
DataCell = new CheckBoxCell("Check"), AutoSize = true, Resizable = false
});
control.Columns.Add(new GridColumn {
HeaderText = "Image", DataCell = new ImageViewCell("Image"), Resizable = false
});
control.Columns.Add(new GridColumn {
HeaderText = "ImageText", DataCell = new ImageTextCell("Image", "Text")
});
control.Columns.Add(new GridColumn {
HeaderText = "Text", DataCell = new TextBoxCell("Text"), Sortable = true
});
control.Columns.Add(new GridColumn {
HeaderText = "Progress", DataCell = new ProgressCell("Progress")
});
control.Columns.Add(new GridColumn {
HeaderText = "Drop Down", DataCell = dropDown, Sortable = true
});
if (Platform.Supports <CustomCell>())
{
//control.ReloadSelectedCells = true;
//control.SelectedRowsChanged += (sender, e) => control.ReloadData(control.SelectedRows);
var col = new GridColumn {
HeaderText = "Custom", Sortable = true, DataCell = new MyCustomCell()
};
control.Columns.Add(col);
}
if (Platform.Supports <DrawableCell>())
{
var drawableCell = new DrawableCell();
drawableCell.Paint += (sender, e) =>
{
var m = e.Item as MyGridItem;
if (m != null)
{
if (e.CellState.HasFlag(CellStates.Selected))
{
e.Graphics.FillRectangle(Colors.Blue, e.ClipRectangle);
}
else
{
e.Graphics.FillRectangle(Brushes.Cached(m.Color), e.ClipRectangle);
}
var rect = e.ClipRectangle;
rect.Inflate(-5, -5);
var color = e.CellState.HasFlag(CellStates.Editing) ? Colors.Black : Colors.White;
e.Graphics.DrawRectangle(color, rect);
e.Graphics.DrawLine(color, rect.Left, rect.Bottom, rect.MiddleX, rect.Top);
e.Graphics.DrawLine(color, rect.Right, rect.Bottom, rect.MiddleX, rect.Top);
}
};
control.Columns.Add(new GridColumn
{
HeaderText = "Owner drawn",
DataCell = drawableCell
});
}
return(control);
}
SearchBox CreateSearchBox(SelectableFilterCollection <MyGridItem> filtered)
{
var filterText = new SearchBox {
PlaceholderText = "Filter"
};
filterText.TextChanged += (s, e) =>
{
var filterItems = (filterText.Text ?? "").Split(new char[] { ' ' }, StringSplitOptions.RemoveEmptyEntries);
if (filterItems.Length == 0)
{
filtered.Filter = null;
}
else
{
filtered.Filter = i =>
{
// Every item in the split filter string should be within the Text property
foreach (var filterItem in filterItems)
{
if (i.Text.IndexOf(filterItem, StringComparison.OrdinalIgnoreCase) == -1)
{
return(false);
}
}
return(true);
}
};
};
return(filterText);
}
GridView CreateGrid()
{
var control = new GridView
{
Size = new Size(300, 100)
};
LogEvents(control);
var dropDown = MyDropDown("DropDownKey");
control.Columns.Add(new GridColumn {
DataCell = new CheckBoxCell("Check"), AutoSize = true, Resizable = false
});
control.Columns.Add(new GridColumn {
HeaderText = "Image", DataCell = new ImageViewCell("Image")
});
control.Columns.Add(new GridColumn {
HeaderText = "ImageText", DataCell = new ImageTextCell("Image", "Text")
});
control.Columns.Add(new GridColumn {
HeaderText = "Text", DataCell = new TextBoxCell("Text"), Sortable = true
});
control.Columns.Add(new GridColumn {
HeaderText = "Progress", DataCell = new ProgressCell("Progress")
});
control.Columns.Add(new GridColumn {
HeaderText = "Drop Down", DataCell = dropDown, Sortable = true
});
if (Platform.Supports <DrawableCell>())
{
var drawableCell = new DrawableCell();
drawableCell.Paint += (sender, e) =>
{
var m = e.Item as MyGridItem;
if (m != null)
{
if (e.CellState.HasFlag(DrawableCellStates.Selected))
{
e.Graphics.FillRectangle(Colors.Blue, e.ClipRectangle);
}
else
{
e.Graphics.FillRectangle(Brushes.Cached(m.Color), e.ClipRectangle);
}
var rect = e.ClipRectangle;
rect.Inflate(-5, -5);
e.Graphics.DrawRectangle(Colors.White, rect);
e.Graphics.DrawLine(Colors.White, rect.Left, rect.Bottom, rect.MiddleX, rect.Top);
e.Graphics.DrawLine(Colors.White, rect.Right, rect.Bottom, rect.MiddleX, rect.Top);
}
};
control.Columns.Add(new GridColumn
{
HeaderText = "Owner drawn",
DataCell = drawableCell
});
}
return(control);
}
IEnumerable <MyGridItem> CreateItems()
{
var rand = new Random();
for (int i = 0; i < 10000; i++)
{
yield return(new MyGridItem(rand, i));
}
}
ContextMenu CreateContextMenu(GridView grid, SelectableFilterCollection <MyGridItem> filtered)
{
// Context menu
var menu = new ContextMenu();
var item = new ButtonMenuItem {
Text = "Click Me!"
};
item.Click += (sender, e) =>
{
if (grid.SelectedRows.Any())
{
Log.Write(item, "Click, Rows: {0}", SelectedRowsString(grid));
}
else
{
Log.Write(item, "Click, no item selected");
}
};
menu.Items.Add(item);
// Delete menu item: deletes the item from the store, the UI updates via the binding.
var deleteItem = new ButtonMenuItem {
Text = "Delete Item"
};
deleteItem.Click += (s, e) =>
{
var i = grid.SelectedItems.First() as MyGridItem;
if (i != null)
{
filtered.Remove(i);
}
};
menu.Items.Add(deleteItem);
// Insert item: inserts an item into the store, the UI updates via the binding.
var insertItem = new ButtonMenuItem {
Text = "Insert Item at the start of the list"
};
insertItem.Click += (s, e) =>
{
var i = grid.SelectedItems.First() as MyGridItem;
if (i != null)
{
filtered.Insert(0, new MyGridItem(new Random(), 0));
}
};
menu.Items.Add(insertItem);
var subMenu = menu.Items.GetSubmenu("Sub Menu");
item = new ButtonMenuItem {
Text = "Item 5"
};
item.Click += (s, e) => Log.Write(item, "Clicked");
subMenu.Items.Add(item);
item = new ButtonMenuItem {
Text = "Item 6"
};
item.Click += (s, e) => Log.Write(item, "Clicked");
subMenu.Items.Add(item);
return(menu);
}
