/// <summary>
/// Adds the cell below row.
/// </summary>
protected void AddCellBelowRow()
{
Cell cell = new Cell(Row);
// get the value string
StringBuilder val = new StringBuilder();
int ltmFactor = 1;
CellTreeNode c = Row.Cells.Min;
while (c != FirstSelected)
{
if (!string.IsNullOrEmpty(c.Cell.Reference))
{
c = c.Next();
continue;
}
AddCellValueToAccumulator(c.Cell, Row.Cells.Min.Cell, FirstSelected.Cell, val, ref ltmFactor);
c = c.Next();
}
val.Append('0').Append(BeatCell.MultiplyTerms(BeatCell.Invert(DrawingView.Instance.GridSpacingString), NumIntervals));
cell.Value = BeatCell.Invert(BeatCell.SimplifyValue(val.ToString()));
// does having negative positions like this cause problems?
cell.Position = FirstSelected.Cell.Position - DrawingView.Instance.GridSpacing * NumIntervals;
Row.Cells.Insert(cell);
RightIndexBoundOfTransform = -1;
Row.OffsetValue = BeatCell.Subtract(Row.OffsetValue, cell.Value); // don't mult group factor this
}
/// <summary>
/// Adds the cell to row below selection.
/// </summary>
protected void AddCellToRowBelowSelection()
{
Cell cell = new Cell(Row);
CellTreeNode cellNode = new CellTreeNode(cell);
cell.Position = FirstSelected.Cell.Position - DrawingView.Instance.GridSpacing * NumIntervals;
if (Row.Cells.Insert(cellNode))
{
Cell below = cellNode.Prev().Cell;
RightIndexBoundOfTransform = below.Index;
// add to applicable groups
AddToGroups(cell, below);
// see if the cell is being added to a rep group's LTM zone
Repeat repWithLtmToMod = null;
foreach (Repeat rg in below.RepeatGroups.Where(
x => x.ExclusiveCells.Last.Value == below && Position > below.Position + below.Duration))
{
repWithLtmToMod = rg;
}
// get new value string for below
StringBuilder val = new StringBuilder();
var sequence = cell.RepeatGroups
.Where(x => !FirstSelected.Cell.RepeatGroups.Contains(x) && x.Cells.First.Value != cell)
.Reverse()
.Select(x => x.Times);
int ltmFactor = sequence.Any() ? sequence.Aggregate((x, y) => x * y) : 1;
CellTreeNode c = cellNode;
while (c != FirstSelected)
{
if (!string.IsNullOrEmpty(c.Cell.Reference))
{
c = c.Next();
continue;
}
AddCellValueToAccumulator(c.Cell, cell, FirstSelected.Cell, val, ref ltmFactor);
c = c.Next();
}
val.Append('0').Append(BeatCell.MultiplyTerms(BeatCell.Invert(DrawingView.Instance.GridSpacingString), NumIntervals));
cell.Value = BeatCell.SimplifyValue(cell.GetValueDividedByMultFactors(BeatCell.Invert(val.ToString())));
string newValue = BeatCell.SimplifyValue(val.ToString());
if (repWithLtmToMod == null)
{
below.Value = below.GetValueDividedByMultFactors(BeatCell.Add(below.Value, newValue));//newValue);
below.Value = BeatCell.SimplifyValue(below.Value);
}
else
{
repWithLtmToMod.LastTermModifier =
repWithLtmToMod.GetValueDividedByMultFactor(
BeatCell.Subtract(repWithLtmToMod.LastTermModifier, newValue));
repWithLtmToMod.LastTermModifier = BeatCell.SimplifyValue(repWithLtmToMod.LastTermModifier);
}
}
}
/// <summary>
/// Adds the cell to row above selection.
/// </summary>
protected void AddCellToRowAboveSelection()
{
Cell cell = new Cell(Row);
CellTreeNode node = new CellTreeNode(cell);
cell.Position = LastSelected.Cell.Position + NumIntervals * DrawingView.Instance.GridSpacing;
if (Row.Cells.Insert(node))
{
CellTreeNode belowNode = node.Prev();
Cell below = belowNode.Cell;
RightIndexBoundOfTransform = below.Index + 1;
// add to applicable groups
AddToGroups(cell, below);
// is new cell placed in the LTM zone of a rep group?
Repeat repWithLtmToMod = null;
foreach (Repeat rg in below.RepeatGroups.Where(
x => x.ExclusiveCells.Last.Value == below && Position > below.Position + below.ActualDuration))
{
repWithLtmToMod = rg;
}
// determine new value for the below cell
StringBuilder val = new StringBuilder();
var sequence = LastSelected.Cell.RepeatGroups
.Where(x => !cell.RepeatGroups.Contains(x) && x.Cells.First.Value != LastSelected.Cell)
.Reverse()
.Select(x => x.Times);
int ltmFactor = sequence.Any() ? sequence.Aggregate((x, y) => x * y) : 1;
CellTreeNode c = LastSelected;
// we subtract all values up to the "whitespace" below the new cell
while (c != node)
{
if (!string.IsNullOrEmpty(c.Cell.Reference))
{
c = c.Next();
continue;
}
AddCellValueToAccumulator(c.Cell, LastSelected.Cell, node.Cell, val, ref ltmFactor);
c = c.Next();
}
val.Append('0').Append(BeatCell.MultiplyTerms(BeatCell.Invert(DrawingView.Instance.GridSpacingString), NumIntervals));
// get new cells value by subtracting old value of below cell by new value.
string newVal = BeatCell.SimplifyValue(val.ToString());
// placing a new cell on the beginning of a LTM is not illegal
if (repWithLtmToMod != null && newVal == string.Empty)
{
newVal = "0";
}
// assign the new cell's value
cell.Value = BeatCell.SimplifyValue(cell.GetValueDividedByMultFactors(newVal));
if (repWithLtmToMod == null)
{
// change below cell's value
below.Value = below.GetValueDividedByMultFactors(
BeatCell.Subtract(below.Value, newVal));
below.Value = BeatCell.SimplifyValue(below.Value);
if (below.IsBreak)
{
below.IsBreak = false;
cell.IsBreak = true;
}
}
else
{
// changing a LTM value
repWithLtmToMod.LastTermModifier = BeatCell.SimplifyValue(
repWithLtmToMod.GetValueDividedByMultFactor(
BeatCell.Subtract(repWithLtmToMod.LastTermModifier, newVal)));
}
}
}
/**
* In order to have mult group resizing:
* 1) Adding to a mult group from flat within that group,
* - the interval will need to be multiplied by the group factor
* - use the cell values that have said group's factor applied
*
* 2) adding from inside a mult group to outside that gorup
*
* 3) adding from before a mult group to after that group
*
* 4) adding from outside the group, into the group
* - like normal, use the actualValue inside of mult group. Multiply result by group factor to get
* base value.
*/
/**
* Add above row works like this:
* - if placed above all other cells, and above all rep group's LTMs,
* increase the previous last cell's or rep group LTM's duration
* * get the BPM value of the increment multiplied by how many ticks from last selected cell
* * to the new cell
* * Then subtract the accumulated value of all cells including rep groups from the total value.
* make new cell duration the increment value
*
* Add above selection, within row works like this:
* - Get the value of increment times # of ticks between last selected cell and new cell position
* - Subtract the accumulated values of all cells including rep groups to get the new value
* of the preceding cell OR a rep group's LTM if we are placing the cell inside of the LTM
* - The cells value is then the preceding cell's previous value minus it's new value.
*
* Add below row works like this:
* - Get the value of increment times # of ticks between first selected cell and new cell position
* - subtract the accumulated values of all cells and groups between selected cell and new cell
* to get the value of the new cell.
* - Subtract new cell value from row's offset to get the new offset
*
* add below section, within row works like this:
* - Get the increment * # of ticks value between the first selected cell and new cell postion
* - subtract the accumulated values of all cells and groups between selected cell and new cell
* to get the value of the new cell.
* - subtract new cell value from preceding cell / group LTM's old value to get value
*
*/
/**
* Test Cases:
*
* 1) Above row
* 2) Above row where last cell is in a repeat
* 3) Above row and within the duration of the last cell
* 4) Above selection and within row
* 5) ^ Where selection is in a repeat and new cell is not
* 6) ^ Where selection and new cell are in the same repeat
* 7) ^ Where new cell is in a repeat group
* 8) ^ Selection is in a repeat group that is nested
* 9) ^ new cell is in a repeat group that is nested
* 10) Below selection and within row
* 11) ^ Where selection is in a repeat and new cell is not
* 12) ^ Where selection and new cell are in the same repeat
* 13) ^ Where new cell is in a repeat group
* 14) ^ Selection is in a repeat group that is nested
* 15) ^ new cell is in a repeat group that is nested
* 16) Below the row, in offset area
* 17) ^ selection is in a repeat group
* 18) ^ there is a repeat group between the selection and the start
*/
/// <summary>
/// Adds the cell above row.
/// </summary>
protected void AddCellAboveRow()
{
Cell cell = new Cell(Row);
if (cell != null)
{
cell.Value = BeatCell.SimplifyValue(DrawingView.Instance.GridSpacingString);
cell.Position = LastSelected.Cell.Position + DrawingView.Instance.GridSpacing * NumIntervals;
// set new duration of previous cell
Cell below = Row.Cells.Max.Cell;
// if add above a reference, just drop it in and exit.
if (below.IsReference)
{
Row.Cells.Insert(cell);
return;
}
// find the value string
StringBuilder val = new StringBuilder();
int ltmFactor = LastSelected.Cell.RepeatGroups.Any() ?
LastSelected.Cell.RepeatGroups
.Reverse()
.Select(x => x.Times)
.Aggregate((x, y) => x * y) : 1;
CellTreeNode c = LastSelected;
while (c != null)
{
if (!string.IsNullOrEmpty(c.Cell.Reference))
{
c = c.Next();
continue;
}
AddCellValueToAccumulator(c.Cell, LastSelected.Cell, cell, val, ref ltmFactor);
c = c.Next();
}
val.Append('0').Append(BeatCell.MultiplyTerms(BeatCell.Invert(DrawingView.Instance.GridSpacingString), NumIntervals));
string valToAdd = BeatCell.Invert(BeatCell.SimplifyValue(val.ToString()));
// if last cell is in a rep group, we need to increase the LTM for that group
if (below.RepeatGroups.Any())
{
var rg = below.RepeatGroups.First.Value;
// add to the bottom repeat group's LTM
rg.LastTermModifier = BeatCell.SimplifyValue(rg.GetValueDividedByMultFactor(valToAdd));
}
else
{
// add to last cell's duration
below.Value = BeatCell.Add(below.GetValueDividedByMultFactors(valToAdd), below.Value);
}
Row.Cells.Insert(cell);
ChangesViewWidth = true;
}
}
protected override void Transformation()
{
Row row = SelectedCells.Root.Cell.Row;
// replace selected cells with cells from clipboard
// get bpm duration of clipboard
double duration = Cells.Select(x => x.Duration).Sum();
double pos = Cells.First.Value.Position;
Cell firstCell = SelectedCells.Min.Cell;
Cell lastCell = SelectedCells.Max.Cell;
// bpm position of selection
double selPos = firstCell.Position;
double selDuration = SelectedCells.ToArray().Select(x => x.Duration).Sum();
// if replacement is longer, we need to reposition cells in destination
if (selDuration > duration)
{
CellTreeNode n = row.Cells.Lookup(SelectedCells.Max.Cell.Position);
n = n.Next();
while (n != null)
{
n.Cell.Position += selDuration - duration;
n = n.Next();
}
ChangesViewWidth = true;
}
// add any applicable groups to the new cells
foreach (Repeat rg in firstCell.RepeatGroups)
{
// if the first cell in the group is behind the selection, make it's last cell before selection
if (rg.ExclusiveCells.First.Value.Position < firstCell.Position && rg.ExclusiveCells.Last.Value.Position < lastCell.Position)
{
// make last cell of group be before selection
rg.ExclusiveCells.Last.Value.GroupActions.Remove((false, rg));
CellTreeNode newLast = Row.Cells.Lookup(firstCell.Position).Prev();
newLast.Cell.GroupActions.AddLast((false, rg));
rg.ExclusiveCells.AddLast(newLast.Cell);
}
else if (rg.ExclusiveCells.First.Value != firstCell || rg.ExclusiveCells.Last.Value != lastCell)
{
// reassign the first or last cell of the group
if (rg.ExclusiveCells.First.Value == firstCell)
{
Cells.First.Value.RepeatGroups.AddLast(rg);
Cells.First.Value.GroupActions.AddLast((true, rg));
rg.ExclusiveCells.AddFirst(Cells.First.Value);
}
if (Cells.First != Cells.Last && rg.ExclusiveCells.Last.Value == lastCell)
{
Cells.Last.Value.RepeatGroups.AddLast(rg);
Cells.Last.Value.GroupActions.AddLast((false, rg));
rg.ExclusiveCells.AddLast(Cells.Last.Value);
}
}
}
foreach (Repeat rg in lastCell.RepeatGroups)
{
// if group is split by end of selection, reassign the group's first cell
if (rg.ExclusiveCells.First.Value.Position > firstCell.Position && rg.ExclusiveCells.Last.Value.Position > lastCell.Position)
{
rg.ExclusiveCells.First.Value.GroupActions.Remove((true, rg));
CellTreeNode newFirst = Row.Cells.Lookup(lastCell.Position).Next();
newFirst.Cell.GroupActions.AddFirst((true, rg));
rg.ExclusiveCells.AddFirst(newFirst.Cell);
}
}
foreach (Multiply mg in firstCell.MultGroups)
{
if (mg.ExclusiveCells.First.Value.Position < firstCell.Position && mg.ExclusiveCells.Last.Value.Position < lastCell.Position)
{
// make last cell of group be before selection
mg.ExclusiveCells.Last.Value.GroupActions.Remove((false, mg));
CellTreeNode newLast = Row.Cells.Lookup(firstCell.Position).Prev();
newLast.Cell.GroupActions.AddLast((false, mg));
mg.ExclusiveCells.AddLast(newLast.Cell);
}
else if (mg.ExclusiveCells.First.Value != firstCell || mg.ExclusiveCells.Last.Value != lastCell)
{
// make new first or last cell
if (mg.ExclusiveCells.First.Value == firstCell)
{
Cells.First.Value.MultGroups.AddLast(mg);
mg.ExclusiveCells.AddFirst(Cells.First.Value);
Cells.First.Value.GroupActions.AddFirst((true, mg));
}
if (Cells.First != Cells.Last && mg.ExclusiveCells.Last.Value == lastCell)
{
Cells.Last.Value.MultGroups.AddLast(mg);
mg.ExclusiveCells.AddLast(Cells.Last.Value);
Cells.Last.Value.GroupActions.AddLast((false, mg));
}
}
}
foreach (Multiply mg in lastCell.MultGroups)
{
// if group is split by end of selection, reassign the group's first cell
if (mg.ExclusiveCells.First.Value.Position > firstCell.Position && mg.ExclusiveCells.Last.Value.Position > lastCell.Position)
{
CellTreeNode newFirst = Row.Cells.Lookup(lastCell.Position).Next();
mg.ExclusiveCells.AddFirst(newFirst.Cell);
newFirst.Cell.GroupActions.AddFirst((true, mg));
}
}
EditorViewController.Instance.DView.DeleteSelectedCells();
// insert replacement cells
foreach (Cell cell in Cells)
{
cell.Row = row;
cell.Position += selPos - pos;
row.Cells.Insert(cell);
}
SelectedCells = null;
}
protected override void Transformation()
{
Cell firstCell = StartNode.Cell;
// remove cells
// remove groups
foreach (Repeat rg in RepGroups)
{
Row.RepeatGroups.Remove(rg);
}
foreach (Multiply mg in MultGroups)
{
Row.MultGroups.Remove(mg);
}
// check if first cell of selection is not row's first cell
if (firstCell.Index == 0)
{
// will be increasing the row offset, but only if
// selection is not part of a rep group that is not
// encompassed by the selection
if (!firstCell.RepeatGroups.Any() || !RepGroups.Contains(firstCell.RepeatGroups.First.Value))
{
// augment the row's offset
ChangeOffset = true;
}
}
else
{
Cell prevCell = StartNode.Prev().Cell;
if (prevCell != null)
{
// if previous cell is the last cell of a rep group, increase rep groups offset
Repeat groupToAddTo = null;
foreach (Repeat rg in prevCell.RepeatGroups.Reverse())
{
if (!firstCell.RepeatGroups.Contains(rg))
{
groupToAddTo = rg;
}
else
{
break;
}
}
if (groupToAddTo != null)
{
groupToAddTo.LastTermModifier = BeatCell.Add(groupToAddTo.LastTermModifier, BeatCodeDuration);
}
else if (!firstCell.RepeatGroups.Any() || prevCell.RepeatGroups.Contains(firstCell.RepeatGroups.Last.Value))
{
// otherwise, increase the prev cell's duration
// but only if it is not the cell prior to a repgroup for which first cell of select is first cell of the rep group.
prevCell.Value = BeatCell.Add(prevCell.Value, BeatCodeDuration);
}
// transfer the closing group actions to prev cell
foreach (AbstractGroup group in ClosedGroups)
{
if (RepGroups.Contains(group) || MultGroups.Contains(group))
{
continue;
}
if (prevCell.RepeatGroups.Contains(group) || prevCell.MultGroups.Contains(group))
{
prevCell.GroupActions.AddLast((false, group));
}
}
}
}
// do the transition of group actions
if (EndNode.Cell != Row.Cells.Max.Cell)
{
Cell nextCell = EndNode.Next().Cell;
// need to transfer the repeat group creation point to the next cell (if not a 1 cell group)
foreach (AbstractGroup group in OpenedGroups)
{
if (RepGroups.Contains(group) || MultGroups.Contains(group))
{
continue;
}
if (nextCell.RepeatGroups.Contains(group) || nextCell.MultGroups.Contains(group))
{
nextCell.GroupActions.AddFirst((true, group));
}
}
}
// remove cells from tree
while (StartNode != null)
{
var next = StartNode.Next();
Row.Cells.Remove(StartNode);
if (StartNode == EndNode)
{
break;
}
StartNode = next;
}
//foreach (CellTreeNode c in Row.Cells.GetRange(StartNode.Cell.Position, EndNode.Cell.Position))
//{
// Row.Cells.Remove(c);
//}
DrawingView.Instance.DeselectCells();
// no longer need these
RepGroups = null;
MultGroups = null;
Cells = null;
StartNode = null;
EndNode = null;
}