public void UpdateIndicatorElements()
{
this.Children.Clear();
switch (this.TrackBarElement.TrackBarMode)
{
case TrackBarRangeMode.SingleThumb:
if (this.TrackBarElement.Ranges.Count <= 0)
{
break;
}
TrackBarIndicatorElement indicatorElement1 = new TrackBarIndicatorElement(this.TrackBarElement.Ranges[0]);
indicatorElement1.IsSelected = this.TrackBarElement.Ranges[0].IsSelected;
indicatorElement1.StartThumbElement.Visibility = ElementVisibility.Collapsed;
this.Children.Add((RadElement)indicatorElement1);
break;
case TrackBarRangeMode.StartFromTheBeginning:
using (IEnumerator <TrackBarRange> enumerator = this.TrackBarElement.Ranges.GetEnumerator())
{
while (enumerator.MoveNext())
{
TrackBarRange current = enumerator.Current;
TrackBarIndicatorElement indicatorElement2 = new TrackBarIndicatorElement(current);
indicatorElement2.IsSelected = current.IsSelected;
indicatorElement2.EndThumbElement.IsSelected = false;
indicatorElement2.StartThumbElement.Visibility = ElementVisibility.Collapsed;
this.Children.Add((RadElement)indicatorElement2);
}
break;
}
case TrackBarRangeMode.Range:
using (IEnumerator <TrackBarRange> enumerator = this.TrackBarElement.Ranges.GetEnumerator())
{
while (enumerator.MoveNext())
{
TrackBarRange current = enumerator.Current;
this.Children.Add((RadElement) new TrackBarIndicatorElement(current)
{
IsSelected = current.IsSelected
});
}
break;
}
}
}
private void ArrangeHorizontal(SizeF finalSize)
{
switch (this.TrackBarElement.TrackBarMode)
{
case TrackBarRangeMode.SingleThumb:
if (this.Children.Count <= 0)
{
break;
}
SizeF desiredSize1 = this.Children[0].DesiredSize;
this.Children[0].Arrange(new RectangleF(!this.RightToLeft ? new PointF(0.0f, 0.0f) : new PointF(finalSize.Width - desiredSize1.Width, 0.0f), desiredSize1));
break;
case TrackBarRangeMode.StartFromTheBeginning:
using (RadElementCollection.RadElementEnumerator enumerator = this.Children.GetEnumerator())
{
while (enumerator.MoveNext())
{
RadElement current = enumerator.Current;
SizeF desiredSize2 = current.DesiredSize;
PointF location = !this.RightToLeft ? new PointF(0.0f, 0.0f) : new PointF(finalSize.Width - desiredSize2.Width, 0.0f);
current.ZIndex = (int)(1000.0 - (double)current.DesiredSize.Width * 10.0);
RectangleF finalRect = new RectangleF(location, desiredSize2);
current.Arrange(finalRect);
}
break;
}
case TrackBarRangeMode.Range:
using (RadElementCollection.RadElementEnumerator enumerator = this.Children.GetEnumerator())
{
while (enumerator.MoveNext())
{
RadElement current = enumerator.Current;
TrackBarIndicatorElement indicatorElement = current as TrackBarIndicatorElement;
SizeF desiredSize2 = current.DesiredSize;
RectangleF finalRect = new RectangleF(!this.RightToLeft ? new PointF(Math.Abs(this.TrackBarElement.Minimum - indicatorElement.RangeInfo.Start) * this.TrackBarElement.TickOffSet, 0.0f) : new PointF((float)((double)finalSize.Width - (double)desiredSize2.Width - (double)Math.Abs(this.TrackBarElement.Minimum - indicatorElement.RangeInfo.Start) * (double)this.TrackBarElement.TickOffSet), 0.0f), desiredSize2);
current.Arrange(finalRect);
}
break;
}
}
}
private void ArrangeVertical(SizeF finalSize)
{
switch (this.TrackBarElement.TrackBarMode)
{
case TrackBarRangeMode.SingleThumb:
if (this.Children.Count <= 0)
{
break;
}
SizeF desiredSize1 = this.Children[0].DesiredSize;
this.Children[0].Arrange(new RectangleF(new PointF(0.0f, finalSize.Height - desiredSize1.Height), desiredSize1));
break;
case TrackBarRangeMode.StartFromTheBeginning:
using (RadElementCollection.RadElementEnumerator enumerator = this.Children.GetEnumerator())
{
while (enumerator.MoveNext())
{
RadElement current = enumerator.Current;
SizeF desiredSize2 = current.DesiredSize;
current.ZIndex = (int)(1000.0 - (double)current.DesiredSize.Height * 10.0);
RectangleF finalRect = new RectangleF(new PointF(0.0f, finalSize.Height - desiredSize2.Height), desiredSize2);
current.Arrange(finalRect);
}
break;
}
case TrackBarRangeMode.Range:
using (RadElementCollection.RadElementEnumerator enumerator = this.Children.GetEnumerator())
{
while (enumerator.MoveNext())
{
RadElement current = enumerator.Current;
TrackBarIndicatorElement indicatorElement = current as TrackBarIndicatorElement;
SizeF desiredSize2 = current.DesiredSize;
RectangleF finalRect = new RectangleF(new PointF(0.0f, finalSize.Height - Math.Abs(this.TrackBarElement.Minimum - indicatorElement.RangeInfo.Start) * this.TrackBarElement.TickOffSet - desiredSize2.Height), desiredSize2);
current.Arrange(finalRect);
}
break;
}
}
}
public void RefreshRanges()
{
foreach (RadElement child in this.Children)
{
TrackBarIndicatorElement indicatorElement = child as TrackBarIndicatorElement;
indicatorElement.Orientation = this.TrackBarElement.Orientation;
if (indicatorElement != null)
{
if (!indicatorElement.RangeInfo.IsSelected)
{
indicatorElement.StartThumbElement.IsSelected = false;
indicatorElement.EndThumbElement.IsSelected = false;
}
if (!indicatorElement.StartThumbElement.Equals((object)this.TrackBarElement.CurrentThumb))
{
indicatorElement.StartThumbElement.IsSelected = false;
}
if (!indicatorElement.EndThumbElement.Equals((object)this.TrackBarElement.CurrentThumb))
{
indicatorElement.EndThumbElement.IsSelected = false;
}
}
}
}
public TrackBarThumbElement(TrackBarIndicatorElement owner, bool isFirst)
{
this.owner = owner;
this.isFirst = isFirst;
}
protected override void OnKeyDown(KeyEventArgs e)
{
if (!this.AllowKeyNavigation)
{
return;
}
if (this.CurrentThumb == null)
{
TrackBarIndicatorElement child = this.BodyElement.IndicatorContainerElement.Children[0] as TrackBarIndicatorElement;
if (child == null || child.Children.Count < 3)
{
return;
}
this.CurrentThumb = child.Children[this.Orientation == Orientation.Horizontal ? 2 : 0] as TrackBarThumbElement;
if (this.CurrentThumb == null)
{
return;
}
}
int oldValue = (int)this.Value;
if (!this.CurrentThumb.IsFirst && (this.TrackBarMode == TrackBarRangeMode.SingleThumb || this.TrackBarMode == TrackBarRangeMode.StartFromTheBeginning))
{
if (e.KeyData == Keys.Home)
{
this.CurrentThumb.RangeInfo.End = this.Minimum;
}
else if (e.KeyData == Keys.End)
{
this.CurrentThumb.RangeInfo.End = this.Maximum;
}
else if (e.KeyData == Keys.Prior)
{
this.CurrentThumb.RangeInfo.End -= (float)this.LargeChange;
}
else if (e.KeyData == Keys.Next)
{
this.CurrentThumb.RangeInfo.End += (float)this.LargeChange;
}
else if (this.Orientation == Orientation.Horizontal)
{
if (e.KeyData == Keys.Left)
{
this.CurrentThumb.RangeInfo.End -= (float)this.SmallChange;
}
else if (e.KeyData == Keys.Right)
{
this.CurrentThumb.RangeInfo.End += (float)this.SmallChange;
}
}
else if (e.KeyData == Keys.Down)
{
this.CurrentThumb.RangeInfo.End -= (float)this.SmallChange;
}
else if (e.KeyData == Keys.Up)
{
this.CurrentThumb.RangeInfo.End += (float)this.SmallChange;
}
}
else if (this.Orientation == Orientation.Horizontal)
{
if (e.KeyData == Keys.Left)
{
this.CurrentThumb.RangeInfo.Start -= (float)this.SmallChange;
}
else if (e.KeyData == Keys.Right)
{
this.CurrentThumb.RangeInfo.Start += (float)this.SmallChange;
}
}
else if (e.KeyData == Keys.Down)
{
this.CurrentThumb.RangeInfo.Start -= (float)this.SmallChange;
}
else if (e.KeyData == Keys.Up)
{
this.CurrentThumb.RangeInfo.Start += (float)this.SmallChange;
}
this.FireScrollEvent(oldValue);
}
