private void timelineBlock_MouseUp(object sender, MouseButtonEventArgs e)
{
if (e.ChangedButton != MouseButton.Left && e.ChangedButton != MouseButton.Right)
{
return;
}
if (dragMode != BlockDragMode.None)
{
FrameworkElement control = (FrameworkElement)sender;
FrameworkElement controlBlock = (FrameworkElement)VisualTreeHelper.GetChild(control, 0);
//BlockViewModel block = (BlockViewModel)control.DataContext;
// Suppres context menu after drag.
if (!dragNeedsToOvercomeThreshold)
{
e.Handled = true;
}
// this would be the place to record the undo/redo action (1 for all blocks)
// reset drag state
dragMode = BlockDragMode.None;
dragStart = new Point();
dragTrackBaseline = -1;
draggedBlocks = null;
controlBlock.ReleaseMouseCapture();
}
}
private void timelineBlock_ManipulationStarting(object sender, ManipulationStartingEventArgs e)
{
// Handle pipette as normal click event.
if (sequencer.IsPipetteActive)
{
return;
}
FrameworkElement control = (FrameworkElement)sender;
FrameworkElement controlBlock = (FrameworkElement)VisualTreeHelper.GetChild(control, 0);
BlockViewModel block = (control.DataContext as BlockViewModel);
// Make sure the clicked block is always selected before dragging.
if (!block.IsSelected)
{
var compositionMode = CompositionModeFromKeyboard();
if (compositionMode == CompositionMode.Subtractive)
{
compositionMode = CompositionMode.None;
}
sequencer.SelectBlock(block, compositionMode);
}
var localPos = e.Manipulators.First().GetPosition(controlBlock);
BlockDragMode mode;
if (localPos.X > controlBlock.ActualWidth - DRAG_START_END_PIXEL_WINDOW_TOUCH && localPos.X < controlBlock.ActualWidth + DRAG_START_END_PIXEL_WINDOW_TOUCH)
{
mode = BlockDragMode.End;
}
else if (localPos.X < DRAG_START_END_PIXEL_WINDOW_TOUCH)
{
mode = BlockDragMode.Start;
}
else
{
mode = BlockDragMode.Block;
}
// record initial information
dragMode = mode;
dragStart = e.Manipulators.First().GetPosition(timeline); // always relative to timeline
dragNeedsToOvercomeThreshold = true;
dragTrackBaseline = GetTrackIndexFromOffset(dragStart.Y);
draggedBlocks = sequencer.SelectedBlocks.Select(b => new DraggedBlockData {
block = b, initialDuration = b.Duration, initialStartTime = b.StartTime
}).ToList();
e.Mode = ManipulationModes.Translate;
e.Handled = true;
// TODO [low] handling ManipulationStarting prevents double tap (to select similar) from working with touch, but not handling it stops firing ManipulationCompleted (because of PanningMode of the scroller)
}
private void timelineBlock_ManipulationCompleted(object sender, ManipulationCompletedEventArgs e)
{
if (dragMode == BlockDragMode.None)
{
return;
}
BlockViewModel block = ((sender as FrameworkElement).DataContext as BlockViewModel);
// this would be the place to record the undo/redo action (1 for all blocks)
// reset drag state
dragMode = BlockDragMode.None;
dragStart = new Point();
dragTrackBaseline = -1;
draggedBlocks = null;
e.Handled = true;
}
private void timelineBlock_MouseDown(object sender, MouseButtonEventArgs e)
{
if (e.ChangedButton != MouseButton.Left && e.ChangedButton != MouseButton.Right)
{
return;
}
FrameworkElement control = (FrameworkElement)sender;
// Get to the actual list item, because for some reason capturing the mouse on the ContentPresenter
// wrapper (ItemContainer) messes up the reported coordinates during MouseMove.
FrameworkElement controlBlock = (FrameworkElement)VisualTreeHelper.GetChild(control, 0);
BlockViewModel block = (control.DataContext as BlockViewModel);
if (sequencer.IsPipetteActive)
{
HandlePipetteClick(block, controlBlock, e);
return;
}
var localMouse = e.GetPosition(controlBlock);
BlockDragMode mode;
if (e.RightButton == MouseButtonState.Pressed)
{
mode = BlockDragMode.Block;
}
else if (localMouse.X > controlBlock.ActualWidth - DRAG_START_END_PIXEL_WINDOW && localMouse.X < controlBlock.ActualWidth + DRAG_START_END_PIXEL_WINDOW)
{
mode = BlockDragMode.End;
}
else if (localMouse.X < DRAG_START_END_PIXEL_WINDOW)
{
mode = BlockDragMode.Start;
}
else
{
mode = BlockDragMode.None;
}
if (mode == BlockDragMode.None)
{
IEnumerable <BlockViewModel> toSelect;
if (e.ClickCount == 2 && block is ColorBlockViewModel)
{
toSelect = sequencer.AllBlocks.OfType <ColorBlockViewModel>().Where(other => other.Color == ((ColorBlockViewModel)block).Color);
}
else if (e.ClickCount == 2 && block is RampBlockViewModel)
{
toSelect = sequencer.AllBlocks.OfType <RampBlockViewModel>().Where(other => other.StartColor == ((RampBlockViewModel)block).StartColor &&
other.EndColor == ((RampBlockViewModel)block).EndColor);
}
else
{
toSelect = Enumerable.Repeat(block, 1);
}
sequencer.SelectBlocks(toSelect, CompositionModeFromKeyboard());
}
else
{
// Make sure the clicked block is always selected before dragging.
if (!block.IsSelected)
{
var compositionMode = CompositionModeFromKeyboard();
if (compositionMode == CompositionMode.Subtractive)
{
compositionMode = CompositionMode.None;
}
sequencer.SelectBlock(block, compositionMode);
}
// record initial information
dragMode = mode;
dragStart = e.GetPosition(timeline); // always relative to timeline
dragNeedsToOvercomeThreshold = true;
dragTrackBaseline = GetTrackIndexFromOffset(dragStart.Y);
draggedBlocks = sequencer.SelectedBlocks.Select(b => new DraggedBlockData {
block = b, initialDuration = b.Duration, initialStartTime = b.StartTime
}).ToList();
controlBlock.CaptureMouse();
e.Handled = true;
}
//control.Focus();
}
