public PointAccessor(GridPoints points, ScrollDirection scrollDirection)
{
if (scrollDirection == ScrollDirection.Horizontal)
{
// column header
xPosition = new Indexer <double>(points.xPosition, NotSupportedSetter);
yPosition = new Indexer <double>((i) => (i == 0 ? 0.0 : points.ColumnHeaderHeight), NotSupportedSetter);
Width = new Indexer <double>(points.GetWidth, points.SetWidth);
Height = new Indexer <double>((i) => points.ColumnHeaderHeight, (i, v) => points.ColumnHeaderHeight = v);
}
else if (scrollDirection == ScrollDirection.Vertical)
{
// row header
xPosition = new Indexer <double>((i) => (i == 0 ? 0.0 : points.RowHeaderWidth), NotSupportedSetter);
yPosition = new Indexer <double>(points.yPosition, NotSupportedSetter);
Width = new Indexer <double>((i) => points.RowHeaderWidth, (i, v) => points.RowHeaderWidth = v);
Height = new Indexer <double>(points.GetHeight, points.SetHeight);
}
else if (scrollDirection == ScrollDirection.Both)
{
// data
xPosition = new Indexer <double>(points.xPosition, NotSupportedSetter);
yPosition = new Indexer <double>(points.yPosition, NotSupportedSetter);
Width = new Indexer <double>(points.GetWidth, points.SetWidth);
Height = new Indexer <double>(points.GetHeight, points.SetHeight);
}
else
{
throw new NotSupportedException();
}
}
internal void Initialize(IGridProvider<string> dataProvider) {
if (Points != null) {
Points.PointChanged -= Points_PointChanged;
}
Points = new GridPoints(dataProvider.RowCount, dataProvider.ColumnCount, Data.RenderSize);
Points.PointChanged += Points_PointChanged;
ColumnHeader.Clear();
RowHeader.Clear();
Data.Clear();
DataProvider = dataProvider;
_scroller?.StopScroller();
_scroller = new VisualGridScroller(this);
Refresh(); // initial refresh
// reset scroll bar position to zero
HorizontalScrollBar.Value = HorizontalScrollBar.Minimum;
VerticalScrollBar.Value = VerticalScrollBar.Minimum;
SetScrollBar(ScrollDirection.Both);
CanSort = dataProvider.CanSort;
}
internal void Initialize(IGridProvider <string> dataProvider)
{
if (Points != null)
{
Points.PointChanged -= Points_PointChanged;
}
Points = new GridPoints(dataProvider.RowCount, dataProvider.ColumnCount, Data.RenderSize);
Points.PointChanged += Points_PointChanged;
ColumnHeader.Clear();
RowHeader.Clear();
Data.Clear();
DataProvider = dataProvider;
_scroller?.StopScroller();
_scroller = new VisualGridScroller(this);
Refresh(); // initial refresh
// reset scroll bar position to zero
HorizontalScrollBar.Value = HorizontalScrollBar.Minimum;
VerticalScrollBar.Value = VerticalScrollBar.Minimum;
SetScrollBar(ScrollDirection.Both);
}
public void Dispose()
{
if (!_suppressNotification && _gridPoints != null)
{
_gridPoints.OnPointChanged();
_gridPoints = null;
}
}
public DeferNotification(GridPoints gridPoints, bool suppressNotification)
{
_gridPoints = gridPoints;
_suppressNotification = suppressNotification;
}
public PointAccessor(GridPoints points, ScrollDirection scrollDirection) {
if (scrollDirection == ScrollDirection.Horizontal) {
// column header
xPosition = new Indexer<double>(points.xPosition, NotSupportedSetter);
yPosition = new Indexer<double>((i) => (i == 0 ? 0.0 : points.ColumnHeaderHeight), NotSupportedSetter);
Width = new Indexer<double>(points.GetWidth, points.SetWidth);
Height = new Indexer<double>((i) => points.ColumnHeaderHeight, (i, v) => points.ColumnHeaderHeight = v);
} else if (scrollDirection == ScrollDirection.Vertical) {
// row header
xPosition = new Indexer<double>((i) => (i == 0 ? 0.0 : points.RowHeaderWidth), NotSupportedSetter);
yPosition = new Indexer<double>(points.yPosition, NotSupportedSetter);
Width = new Indexer<double>((i) => points.RowHeaderWidth, (i, v) => points.RowHeaderWidth = v);
Height = new Indexer<double>(points.GetHeight, points.SetHeight);
} else if (scrollDirection == ScrollDirection.Both) {
// data
xPosition = new Indexer<double>(points.xPosition, NotSupportedSetter);
yPosition = new Indexer<double>(points.yPosition, NotSupportedSetter);
Width = new Indexer<double>(points.GetWidth, points.SetWidth);
Height = new Indexer<double>(points.GetHeight, points.SetHeight);
} else {
throw new NotSupportedException();
}
}
public void Dispose() {
if (!_suppressNotification && _gridPoints != null) {
_gridPoints.OnPointChanged();
_gridPoints = null;
}
}
public DeferNotification(GridPoints gridPoints, bool suppressNotification) {
_gridPoints = gridPoints;
_suppressNotification = suppressNotification;
}
