private void BtnMIAddSnapPoint_Click(object sender, RoutedEventArgs e)
{
try
{
double value = Convert.ToDouble(txtMISnapPointValue.Text);
ScrollerSnapPointBase newSnapPoint = new ScrollerSnapPointIrregular(value, ScrollerSnapPointAlignment.Near);
Color fillColor = GetNewColor();
ScrollerTestHooks.SetSnapPointVisualizationColor(newSnapPoint, fillColor);
markupScroller.VerticalSnapPoints.Add(newSnapPoint);
FillSnapPoint(new List <double> {
value
}, value, value, fillColor);
FixConsolidatedView();
}
catch (Exception ex)
{
this.fullLogs.Add(ex.ToString());
txtExceptionReport.Text = ex.ToString();
}
}
private void RefreshSnapPoints(Scroller scroller, StackPanel stackPanel)
{
if (scroller != null && stackPanel != null && stackPanel.Children.Count > 0)
{
AppendAsyncEventMessage("Populating snap points for " + scroller.Name + ":");
ScrollerSnapPointIrregular sspi;
GeneralTransform gt = stackPanel.TransformToVisual(scroller.Content);
Point stackPanelOriginPoint = new Point();
stackPanelOriginPoint = gt.TransformPoint(stackPanelOriginPoint);
if (stackPanel.Orientation == Orientation.Horizontal)
{
scroller.HorizontalSnapPoints.Clear();
sspi = new ScrollerSnapPointIrregular(stackPanelOriginPoint.X, ScrollerSnapPointAlignment.Near);
AppendAsyncEventMessage("Adding horizontal snap point to " + scroller.Name + " at value " + stackPanelOriginPoint.X);
scroller.HorizontalSnapPoints.Add(sspi);
}
else
{
scroller.VerticalSnapPoints.Clear();
sspi = new ScrollerSnapPointIrregular(stackPanelOriginPoint.Y, ScrollerSnapPointAlignment.Near);
AppendAsyncEventMessage("Adding vertical snap point to " + scroller.Name + " at value " + stackPanelOriginPoint.Y);
scroller.VerticalSnapPoints.Add(sspi);
}
foreach (UIElement child in stackPanel.Children)
{
FrameworkElement childAsFE = child as FrameworkElement;
if (childAsFE != null)
{
gt = childAsFE.TransformToVisual(stackPanel);
Point childOriginPoint = new Point();
childOriginPoint = gt.TransformPoint(childOriginPoint);
double snapPointValue = 0.0;
Thickness margin = childAsFE.Margin;
if (stackPanel.Orientation == Orientation.Horizontal)
{
snapPointValue = margin.Right + childAsFE.ActualWidth + childOriginPoint.X;
if (snapPointValue <= scroller.ScrollableWidth)
{
sspi = new ScrollerSnapPointIrregular(snapPointValue, ScrollerSnapPointAlignment.Near);
AppendAsyncEventMessage("Adding horizontal snap point to " + scroller.Name + " at value " + snapPointValue);
scroller.HorizontalSnapPoints.Add(sspi);
}
else
{
break;
}
}
else
{
snapPointValue = margin.Bottom + childAsFE.ActualHeight + childOriginPoint.Y;
if (snapPointValue <= scroller.ScrollableHeight)
{
sspi = new ScrollerSnapPointIrregular(snapPointValue, ScrollerSnapPointAlignment.Near);
AppendAsyncEventMessage("Adding vertical snap point to " + scroller.Name + " at value " + snapPointValue);
scroller.VerticalSnapPoints.Add(sspi);
}
else
{
break;
}
}
}
RefreshSnapPoints(scroller, child as StackPanel);
}
}
}
public void CanAddAndRemoveSnapPointsFromAScroller()
{
Scroller scroller = null;
ScrollerSnapPointBase snapPointBase1 = null;
ScrollerSnapPointBase snapPointBase2 = null;
ScrollerSnapPointBase snapPointBase3 = null;
ScrollerSnapPointBase snapPointBase4 = null;
RunOnUIThread.Execute(() =>
{
scroller = new Scroller();
snapPointBase1 = new ScrollerSnapPointIrregular(snapPointValue: 10, alignment: ScrollerSnapPointAlignment.Near);
snapPointBase2 = new ScrollerSnapPointIrregular(snapPointValue: 10, applicableRange: 3, alignment: ScrollerSnapPointAlignment.Near);
snapPointBase3 = new ScrollerSnapPointRegular(offset: 10, interval: 10, start: 10, end: 100, alignment: ScrollerSnapPointAlignment.Near);
snapPointBase4 = new ScrollerSnapPointRegular(offset: 100, interval: 10, start: 100, end: 200, applicableRange: 3, alignment: ScrollerSnapPointAlignment.Near);
scroller.HorizontalSnapPoints.Add(snapPointBase1);
scroller.VerticalSnapPoints.Add(snapPointBase1);
scroller.ZoomSnapPoints.Add(snapPointBase1);
});
IdleSynchronizer.Wait();
RunOnUIThread.Execute(() =>
{
Verify.AreEqual <int>(1, scroller.HorizontalSnapPoints.Count);
Verify.AreEqual <int>(1, scroller.VerticalSnapPoints.Count);
Verify.AreEqual <int>(1, scroller.ZoomSnapPoints.Count);
scroller.HorizontalSnapPoints.Add(snapPointBase2);
scroller.HorizontalSnapPoints.Add(snapPointBase3);
scroller.HorizontalSnapPoints.Add(snapPointBase4);
});
IdleSynchronizer.Wait();
RunOnUIThread.Execute(() =>
{
Verify.AreEqual <int>(4, scroller.HorizontalSnapPoints.Count);
scroller.HorizontalSnapPoints.Remove(snapPointBase2);
});
IdleSynchronizer.Wait();
RunOnUIThread.Execute(() =>
{
Verify.AreEqual <int>(3, scroller.HorizontalSnapPoints.Count);
scroller.HorizontalSnapPoints.Remove(snapPointBase2);
});
IdleSynchronizer.Wait();
RunOnUIThread.Execute(() =>
{
Verify.AreEqual <int>(3, scroller.HorizontalSnapPoints.Count);
scroller.HorizontalSnapPoints.Clear();
});
IdleSynchronizer.Wait();
RunOnUIThread.Execute(() =>
{
Verify.AreEqual <int>(0, scroller.HorizontalSnapPoints.Count);
Verify.AreEqual <int>(1, scroller.VerticalSnapPoints.Count);
Verify.AreEqual <int>(1, scroller.ZoomSnapPoints.Count);
});
}
