/// <summary>
/// 重置播放器
/// </summary>
private void ReSet()
{
TrendLine.Margin = new Thickness(0, -10, 0, 0);
TimeLineScrollViewer.ScrollToHorizontalOffset(0);
ScaleBarScrollViewer.ScrollToHorizontalOffset(0);
CurrentSpeedTime = BaseSpeedTime;
timer.Interval = new TimeSpan(0, 0, 0, 0, CurrentSpeedTime);
CurrentLocation = 0;
currentTime = 0;
tempTime = -1.0;
RefreshTimer();
}
private void EventSetter_OnHandler(object sender, MouseButtonEventArgs e)
{
if (IsPlaying)
{
return;
}
if (SelectedTaskItem != null)
{
TimeLineScrollViewer.ScrollToHorizontalOffset(SelectedTaskItem.StartTime * BaseWidth);
ScaleBarScrollViewer.ScrollToHorizontalOffset(SelectedTaskItem.StartTime * BaseWidth);
}
}
/// <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);
}
}
private void TicksPanel_OnMouseMove(object sender, MouseEventArgs e)
{
if (IsPlaying)
{
return;
}
if (TaskItemSource == null || TaskItemSource.Count == 0)//防止ScaleBarScrollViewer出现滚动显示BUG
{
return;
}
if (isDragging)
{
pressUpX = e.GetPosition(this.ticksGrid).X;
double offSet = pressUpX - pressDownX;
if (Math.Abs(offSet) >= BaseWidth)//一格一格滚动
{
if (offSet < 0)
{
TimeLineScrollViewer.ScrollToHorizontalOffset(TimeLineScrollViewer.HorizontalOffset - Math.Floor(offSet / BaseWidth) * BaseWidth);
ScaleBarScrollViewer.ScrollToHorizontalOffset(TimeLineScrollViewer.HorizontalOffset - Math.Floor(offSet / BaseWidth) * BaseWidth);
}
else
{
TimeLineScrollViewer.ScrollToHorizontalOffset(TimeLineScrollViewer.HorizontalOffset - Math.Floor(offSet / BaseWidth) * BaseWidth);
ScaleBarScrollViewer.ScrollToHorizontalOffset(TimeLineScrollViewer.HorizontalOffset - Math.Floor(offSet / BaseWidth) * BaseWidth);
}
pressDownX = e.GetPosition(this.ticksGrid).X;
}
/* 平滑移动
* double offSet = TimeLineScrollViewer.HorizontalOffset - (pressUpX - pressDownX);
* if (offSet < 0)
* {
* offSet = 0;
* }
* else if (offSet > TimeLineWidth)
* {
* TimeLineWidth = offSet;
* }
* TimeLineScrollViewer.ScrollToHorizontalOffset(offSet);
* pressDownX = e.GetPosition(this.ticksGrid).X;
*/
}
}
/// <summary>
/// 播放处理程序
/// </summary>
/// <param name="sender"></param>
/// <param name="e"></param>
private void StartPlay(object sender, EventArgs e)
{
Thickness thickness = TrendLine.Margin;
double currentLeft = thickness.Left;
if (TimeLineScrollViewer.HorizontalOffset + thickness.Left > ExistLastTime * BaseWidth)
{
Play_Stop.IsChecked = false;
CurrentSpeedTime = BaseSpeedTime;//回到常规速度
return;
}
if (TimeLineScrollViewer.HorizontalOffset + currentLeft < 0.001)//0秒单独处理
{
RespondEvent(0);
RefreshTimer();
}
if (thickness.Left >= TrendLineMoveWidth)
{
TimeLineScrollViewer.ScrollToHorizontalOffset(TimeLineScrollViewer.HorizontalOffset + MoveUnit);
ScaleBarScrollViewer.ScrollToHorizontalOffset(TimeLineScrollViewer.HorizontalOffset + MoveUnit);
}
else
{
currentLeft = thickness.Left + MoveUnit;
TrendLine.Margin = new Thickness(currentLeft, -10, 0, 0);
}
CurrentLocation = TimeLineScrollViewer.HorizontalOffset + currentLeft;
currentTime = Math.Round(CurrentLocation / BaseWidth);
if (Math.Abs(CurrentLocation - currentTime * BaseWidth) < distanceCompareNum)
{
//Task.Factory.StartNew(() =>
//{
RespondEvent(currentTime);
RefreshTimer();
//});
}
}
/// <summary>
/// 刻度滚轮滚动事件
/// </summary>
/// <param name="sender"></param>
/// <param name="e"></param>
private void TicksPanel_OnMouseWheel(object sender, MouseWheelEventArgs e)
{
if (IsPlaying)
{
return;
}
if (TaskItemSource == null || TaskItemSource.Count == 0)//防止ScaleBarScrollViewer出现滚动显示BUG
{
return;
}
bool handle = (Keyboard.Modifiers & ModifierKeys.Control) > 0;
if (handle)
{
if (e.Delta > 0)
{
Shrink_OnClick(null, null);
}
else if (e.Delta < 0)
{
Enlarge_OnClick(null, null);
}
}
else
{
if (e.Delta < 0)
{
TimeLineScrollViewer.ScrollToHorizontalOffset(TimeLineScrollViewer.HorizontalOffset + ScaleBaseWidth);
ScaleBarScrollViewer.ScrollToHorizontalOffset(TimeLineScrollViewer.HorizontalOffset + ScaleBaseWidth);
}
else
{
TimeLineScrollViewer.ScrollToHorizontalOffset(TimeLineScrollViewer.HorizontalOffset - ScaleBaseWidth);
ScaleBarScrollViewer.ScrollToHorizontalOffset(TimeLineScrollViewer.HorizontalOffset - ScaleBaseWidth);
}
}
}