private void Point_DragDelta(object sender, DragDeltaEventArgs e)
{
DebugHelper.AssertUIThread();
FrameworkElement frameworkElement = sender as FrameworkElement;
if (frameworkElement != null)
{
if (this.panel != null)
{
TimelineTimeProxy point = frameworkElement.DataContext as TimelineTimeProxy;
if ((point != null) && point.IsFloating)
{
e.Handled = true;
if ((point is TimelinePausePoint) || point.IsEnabled)
{
long ticks = point.RelativeTime.Ticks + (long)((e.HorizontalChange / this.panel.ActualWidth) * (this.panel.Maximum - this.panel.Minimum));
ticks = Math.Min(Math.Max(ticks, (long)panel.Minimum), (long)panel.Maximum);
point.RelativeTime = TimeSpan.FromTicks(ticks);
}
}
}
}
}
private void Point_DragCompleted(object sender, DragCompletedEventArgs e)
{
DebugHelper.AssertUIThread();
FrameworkElement frameworkElement = sender as FrameworkElement;
if (frameworkElement != null)
{
TimelineTimeProxy point = frameworkElement.DataContext as TimelineTimeProxy;
if ((point != null) && point.IsFloating)
{
TimelinePausePoint pausePoint = point as TimelinePausePoint;
if (pausePoint != null)
{
if (this.PausePointsSource != null)
{
if (!point.HasMovedDuringLastFloat)
{
this.PausePointsSource.Remove(pausePoint);
}
}
}
point.IsFloating = false;
}
}
}
private void Point_DragStarted(object sender, DragStartedEventArgs e)
{
DebugHelper.AssertUIThread();
FrameworkElement frameworkElement = sender as FrameworkElement;
if (frameworkElement != null)
{
TimelineTimeProxy point = frameworkElement.DataContext as TimelineTimeProxy;
if (point != null)
{
e.Handled = true;
TimelinePausePoint pausePoint = point as TimelinePausePoint;
if ((pausePoint != null) && pausePoint.HasCoupledMarker)
{
if (this.PausePointsSource != null)
{
this.PausePointsSource.OnTimePointDataChanged(pausePoint, pausePoint.RelativeTime, false, true, false);
}
}
else if ((pausePoint != null) || point.IsEnabled)
{
point.IsFloating = true;
}
}
}
}
private void TimePointEdit_Executed(object sender, ExecutedRoutedEventArgs e)
{
DebugHelper.AssertUIThread();
if (e != null)
{
TimelineTimeProxy timePoint = e.Parameter as TimelineTimeProxy;
if (timePoint != null)
{
e.Handled = true;
Window window = Window.GetWindow(this);
EditTimeSpanDialog dialog = new EditTimeSpanDialog()
{
Owner = window,
Title = (timePoint is TimelinePausePoint) ? Strings.EditTimelinePausePoint_Title : Strings.EditTimeMarker_Title,
Minimum = TimeSpan.Zero,
Maximum = timePoint.Source.Duration,
Value = timePoint.RelativeTime,
};
if (dialog.ShowDialog() == true)
{
if (dialog.Value != timePoint.RelativeTime)
{
this.PausePointsSource.RemoveAt(dialog.Value);
timePoint.RelativeTime = dialog.Value;
}
}
}
}
}
private void TimePointEdit_CanExecute(object sender, CanExecuteRoutedEventArgs e)
{
DebugHelper.AssertUIThread();
if (e != null)
{
TimelineTimeProxy point = e.Parameter as TimelineTimeProxy;
if (point != null)
{
e.Handled = true;
e.CanExecute = !point.IsReadOnly;
}
}
}
private void TimePointRemove_Executed(object sender, ExecutedRoutedEventArgs e)
{
DebugHelper.AssertUIThread();
if (e != null)
{
TimelineTimeProxy point = e.Parameter as TimelineTimeProxy;
if (point != null)
{
e.Handled = true;
point.Remove();
}
}
}
protected override void OnMouseDown(MouseButtonEventArgs e)
{
DebugHelper.AssertUIThread();
if (e != null)
{
switch (e.ChangedButton)
{
case MouseButton.Left:
{
if (this.panel != null)
{
this.newPointMouseEventArgs = e;
Point pt = e.GetPosition(this.panel);
ulong min = this.panel.Minimum;
ulong max = this.panel.Maximum;
double v = min + (max - min) * (pt.X / this.panel.ActualWidth);
TimeSpan relativeTime = TimeSpan.FromTicks((long)v);
Point ptMarkers = e.GetPosition(this.MarkersItemsControl);
Point ptPausePoints = e.GetPosition(this.PausePointsItemsControl);
TimelineTimeProxy point = null;
if ((ptMarkers.X >= 0) && (ptMarkers.Y >= 0) && (ptMarkers.X <= this.MarkersItemsControl.ActualWidth) && (ptMarkers.Y <= this.MarkersItemsControl.ActualHeight))
{
if ((this.MarkersSource != null) && !this.MarkersSource.IsReadOnly)
{
string name = this.GetUniqueMarkerName();
point = this.MarkersSource.AddAt(relativeTime, name);
}
}
if ((ptPausePoints.X >= 0) && (ptPausePoints.Y >= 0) && (ptPausePoints.X <= this.PausePointsItemsControl.ActualWidth) && (ptPausePoints.Y <= this.PausePointsItemsControl.ActualHeight))
{
if (this.PausePointsSource != null)
{
point = this.PausePointsSource.AddAt(relativeTime);
}
}
if (point != null)
{
// immediately let the pause point be draggable
point.IsFloating = true;
point.ForceHasMovedDuringLastFloat();
}
}
break;
}
case MouseButton.Right:
{
if (this.panel != null)
{
Point pt = e.GetPosition(this.panel);
this.newPointTime = TimeSpan.FromTicks((long)(this.panel.Minimum + ((this.panel.Maximum - this.panel.Minimum) * (pt.X / this.panel.ActualWidth))));
}
break;
}
}
}
base.OnMouseDown(e);
}
