public void Initialize(IGridProvider<string> dataProvider)
{
_scroller = new VisualGridScroller();
DataProvider = dataProvider;
_gridPoints = new GridPoints(RowCount, ColumnCount);
RowHeader.RowCount = RowCount;
RowHeader.ColumnCount = 1;
RowHeader.Points = _gridPoints;
RowHeader.DataProvider = DataProvider;
ColumnHeader.RowCount = 1;
ColumnHeader.ColumnCount = ColumnCount;
ColumnHeader.Points = _gridPoints;
ColumnHeader.DataProvider = DataProvider;
Data.RowCount = RowCount;
Data.ColumnCount = ColumnCount;
Data.Points = _gridPoints;
Data.DataProvider = DataProvider;
_scroller.Points = _gridPoints;
_scroller.ColumnHeader = ColumnHeader;
_scroller.RowHeader = RowHeader;
_scroller.DataGrid = Data;
_scroller.DataProvider = DataProvider;
}
public void Draw(
GridRange range,
GridPoints points)
{
DrawingContext drawingContext = RenderOpen();
DoubleCollection xCollection = new DoubleCollection();
DoubleCollection yCollection = new DoubleCollection();
try {
// vertical line
double renderHeight = points.GetHeight(range.Rows);
Rect verticalLineRect = new Rect(new Size(GridLineThickness, renderHeight));
foreach (int i in range.Columns.GetEnumerable()) {
verticalLineRect.X = points.xPosition(i + 1) - GridLineThickness;
drawingContext.DrawRectangle(GridLineBrush, null, verticalLineRect);
xCollection.Add(verticalLineRect.X);
}
// horizontal line
double renderWidth = points.GetWidth(range.Columns);
Rect horizontalLineRect = new Rect(new Size(renderWidth, GridLineThickness));
foreach (int i in range.Rows.GetEnumerable()) {
horizontalLineRect.Y = points.yPosition(i + 1) - GridLineThickness;
drawingContext.DrawRectangle(GridLineBrush, null, horizontalLineRect);
yCollection.Add(horizontalLineRect.Y);
}
XSnappingGuidelines = xCollection;
YSnappingGuidelines = yCollection;
} finally {
drawingContext.Close();
}
}