static void OnRatingChanged(DependencyObject d, DependencyPropertyChangedEventArgs e)
{
RatingCell cell = (RatingCell)d;
for (int i = 0; i < cell.Children.Count; i++)
{
cell.Children[i].Opacity = i < cell.Rating ? ON : OFF;
}
}
void img_PointerPressed(object sender, Windows.UI.Xaml.Input.PointerRoutedEventArgs e)
{
// calculate rating based on the index of the star
var star = sender as ContentControl;
RatingCell cell = star.Parent as RatingCell;
int index = cell.Children.IndexOf(star);
if (index > 0 || e.GetCurrentPoint(star).Position.X > star.Width / 3)
{
index++;
}
// apply the new rating
cell.Rating = index;
Animate(star);
}
void img_MouseLeftButtonDown(object sender, MouseButtonEventArgs e)
{
// calculate rating based on the index of the star
Image img = sender as Image;
RatingCell cell = img.Parent as RatingCell;
int index = cell.Children.IndexOf(img);
if (index > 0 || e.GetPosition(img).X > img.Width / 3)
{
index++;
}
// apply the new rating
cell.Rating = index;
Animate(img);
}
// bind a cell to a range
public override void CreateCellContent(C1FlexGrid grid, Border bdr, CellRange range)
{
// get row/col
var row = grid.Rows[range.Row];
var col = grid.Columns[range.Column];
var gr = row as GroupRow;
// no border for group rows
if (gr != null)
{
bdr.BorderThickness = _emptyThickness;
}
// bind the tree cells
if (gr != null && range.Column == 0)
{
BindGroupRowCell(grid, bdr, range);
return;
}
// bind cells in regular data rows
var colName = col.ColumnName;
if (colName == "Name")
{
bdr.Child = new SongCell(row);
return;
}
if (colName == "Rating")
{
var song = row.DataItem as Song;
if (song != null)
{
// create rating control to represent this cell
// notes:
// - the data context is provided by the Border element, and
// - the binding is provided by the column
var cell = new RatingCell();
cell.SetBinding(RatingCell.RatingProperty, col.Binding);
bdr.Child = cell;
return;
}
}
// default binding
base.CreateCellContent(grid, bdr, range);
}
// bind a cell to a range
public override void CreateCellContent(C1FlexGrid grid, Border bdr, CellRange range)
{
// get row/col
var row = grid.Rows[range.Row];
var col = grid.Columns[range.Column];
var gr = row as GroupRow;
// no border for group rows
if (gr != null)
{
bdr.BorderThickness = _emptyThickness;
}
// bind first cell in each group row to collapse/expand
if (gr != null && range.Column == 0)
{
BindGroupRowCell(grid, bdr, range);
return;
}
// bind regular data cells
switch (col.ColumnName)
{
// show names with images
case "Name":
bdr.Child = new SongCell(row);
return;
// show ratings with stars
case "Rating":
var song = row.DataItem as Song;
if (song != null && gr == null)
{
var cell = new RatingCell();
cell.SetBinding(RatingCell.RatingProperty, col.Binding);
bdr.Child = cell;
}
return;
}
// default binding
base.CreateCellContent(grid, bdr, range);
}
