/// <summary>
/// 更新最大时间线长度
/// </summary>
/// <param name="sender"></param>
/// <param name="e"></param>
private void TaskBar_OnTimeLineWidthChanged(object sender, RoutedEventArgs e)
{
TaskBar taskBar = sender as TaskBar;
if (TimeLineWidth < taskBar.TimeLineWidth)
{
TimeLineWidth = taskBar.TimeLineWidth;
}
}
/// <summary>
/// 拖拽TaskBar与滚动条联动
/// </summary>
/// <param name="sender"></param>
/// <param name="e"></param>
private void TaskBar_OnMoveThumebChanged(object sender, RoutedEventArgs e)
{
TaskBar taskBar = e.OriginalSource as TaskBar;
double offSet = taskBar.EndTime * taskBar.BaseWidth;
double leftOffSet = taskBar.StartTime * taskBar.BaseWidth;
double currentOffset = TimeLineScrollViewer.HorizontalOffset + ticksGrid.ActualWidth;
if (offSet >= TimeLineScrollViewer.HorizontalOffset + ticksGrid.ActualWidth)
{
TimeLineScrollViewer.ScrollToHorizontalOffset(TimeLineScrollViewer.HorizontalOffset + taskBar.BaseWidth);
ScaleBarScrollViewer.ScrollToHorizontalOffset(TimeLineScrollViewer.HorizontalOffset + taskBar.BaseWidth);
}
else if (leftOffSet <= TimeLineScrollViewer.HorizontalOffset)
{
TimeLineScrollViewer.ScrollToHorizontalOffset(TimeLineScrollViewer.HorizontalOffset - taskBar.BaseWidth);
ScaleBarScrollViewer.ScrollToHorizontalOffset(TimeLineScrollViewer.HorizontalOffset - taskBar.BaseWidth);
}
}