/// <summary>
/// Loads the grid with existing splice ranges between the given features
/// </summary>
/// <param name="spliceWrapper">Selected Splice Closure</param>
/// <param name="cableA">Selected Cable A</param>
/// <param name="cableB">Selected Cable B</param>
private void LoadExistingRecords(SpliceClosureWrapper spliceWrapper, FiberCableWrapper cableA, SpliceableCableWrapper cableB)
{
ClearGrid();
if (null != spliceWrapper && null != cableA && null != cableB)
{
List<FiberSplice> rangesAtoB = SpliceAndConnectionUtils.GetSplicedRanges(cableA, cableB, spliceWrapper);
for (int i = 0; i < rangesAtoB.Count; i++)
{
FiberSplice fiberSplice = rangesAtoB[i];
int rowIdx = grdSplices.Rows.Add(fiberSplice.ARange, fiberSplice.BRange, fiberSplice.Loss, fiberSplice.Type);
grdSplices.Rows[rowIdx].ReadOnly = true; // Allow this to be deleted, but not edited.
Range a = fiberSplice.ARange;
Range b = fiberSplice.BRange;
int numUnits = a.High - a.Low + 1;
for (int offset = 0; offset < numUnits; offset++)
{
int aUnit = a.Low + offset;
int bUnit = b.Low + offset;
FiberSplice originalSplice = new FiberSplice(new Range(aUnit, aUnit), new Range(bUnit, bUnit), fiberSplice.Loss, fiberSplice.Type);
_original[aUnit] = originalSplice;
}
}
// These are valid for display because it is these two cables at this splice, the A and B side assignment is
// arbitrary. We do need to reverse them in the display though. For example is Cable X (1-12) is spliced to
// Cable Y (36-47), and they have selected X/Y in the form -- the grid should show X's units on the left and
// Y's on the right. Here we are requesting them as Y/X though.
List<FiberSplice> rangesBtoA = SpliceAndConnectionUtils.GetSplicedRanges((FiberCableWrapper)cboCableB.SelectedItem, (FiberCableWrapper)cboCableA.SelectedItem, spliceWrapper);
for (int i = 0; i < rangesBtoA.Count; i++)
{
FiberSplice fiberSplice = rangesBtoA[i];
int rowIdx = grdSplices.Rows.Add(fiberSplice.BRange, fiberSplice.ARange, fiberSplice.Loss, fiberSplice.Type);
grdSplices.Rows[rowIdx].ReadOnly = true; // Allow this to be deleted, but not edited.
Range a = fiberSplice.ARange;
Range b = fiberSplice.BRange;
int numUnits = a.High - a.Low + 1;
for (int offset = 0; offset < numUnits; offset++)
{
int aUnit = a.Low + offset;
int bUnit = b.Low + offset;
FiberSplice originalSplice = new FiberSplice(new Range(bUnit, bUnit), new Range(aUnit, aUnit), fiberSplice.Loss, fiberSplice.Type);
_original[bUnit] = originalSplice;
}
}
}
btnSave.Enabled = false;
btnSave.Tag = false; // No edits made yet
}
/// <summary>
/// Check changes to the grid and save them to the database
/// </summary>
/// <param name="splice">The associated splice closure</param>
/// <param name="cableA">A cable</param>
/// <param name="cableB">The other cable</param>
/// <returns>Success</returns>
private bool SaveChanges(SpliceClosureWrapper splice, FiberCableWrapper cableA, SpliceableCableWrapper cableB)
{
bool result = false;
string isNotOkString = string.Empty;
Dictionary<int, FiberSplice> currentGrid = new Dictionary<int, FiberSplice>();
List<int> currentBStrands = new List<int>();
try
{
int aIdx = colRangeA.Index;
int bIdx = colRangeB.Index;
int lossIdx = colLoss.Index;
int typeIdx = grdSplices.Columns[colType.Name].Index; // If we had to use colTypeText, it will be using the same name
// Less than count-1 lets us avoid the insert row
for (int i = 0; i < grdSplices.Rows.Count - 1; i++)
{
if (grdSplices[aIdx, i].Value == null || grdSplices[bIdx, i].Value == null)
{
isNotOkString = "A or B unit range missing.";
}
if (0 < isNotOkString.Length)
{
// No need to check the rest if this one was not OK
break;
}
List<Range> aRanges = SpliceAndConnectionUtils.ParseRanges(grdSplices[aIdx, i].Value.ToString());
List<Range> bRanges = SpliceAndConnectionUtils.ParseRanges(grdSplices[bIdx, i].Value.ToString());
if (!SpliceAndConnectionUtils.AreCountsEqual(aRanges, bRanges))
{
isNotOkString = "Number of units from A to B must match on each row.";
}
else if (!SpliceAndConnectionUtils.AreRangesWithinFiberCount(aRanges, cableA))
{
isNotOkString = "Selected units exceed fiber count for cable A.";
}
else if (!SpliceAndConnectionUtils.AreRangesWithinFiberCount(bRanges, cableB))
{
isNotOkString = "Selected units exceed fiber count for cable B.";
}
if (0 < isNotOkString.Length)
{
// No need to check the rest if this one was not OK
break;
}
List<Connection> matchedUp = SpliceAndConnectionUtils.MatchUp(aRanges, bRanges);
foreach (Connection range in matchedUp)
{
Range a = range.ARange;
Range b = range.BRange;
int numUnits = a.High - a.Low + 1;
for (int offset = 0; offset < numUnits; offset++)
{
int aUnit = a.Low + offset;
int bUnit = b.Low + offset;
if (currentGrid.ContainsKey(aUnit))
{
isNotOkString = string.Format("Duplicate splicing found for A Strand {0}", aUnit);
// No need to check the rest if this one was not OK
break;
}
else if (currentBStrands.Contains(bUnit))
{
isNotOkString = string.Format("Duplicate splicing found for B Strand {0}", bUnit);
// No need to check the rest if this one was not OK
break;
}
else
{
object lossObj = grdSplices[lossIdx, i].Value;
object typeObj = grdSplices[typeIdx, i].Value;
double? loss = null;
if (null != lossObj)
{
double dblLoss = -1;
if (double.TryParse(lossObj.ToString(), out dblLoss))
{
loss = dblLoss;
}
else
{
MessageBox.Show("Loss value on row {0} could not be parsed. Using null.", "Splice Editor", MessageBoxButtons.OK, MessageBoxIcon.Warning);
}
}
FiberSplice fiberSplice = new FiberSplice(new Range(aUnit, aUnit), new Range(bUnit, bUnit), loss, typeObj);
currentGrid[aUnit] = fiberSplice;
currentBStrands.Add(bUnit);
}
}
}
}
}
catch (Exception ex)
{
isNotOkString = ex.Message;
}
// Check the ranges are within the feature's units
List<int> checkToUnits = new List<int>();
List<int> checkFromUnits = new List<int>();
// Anything that is in the current grid, we will see if it is available. But if it was deleted, we can ignore
// checking its availabilty, because we are about to free it up. Also if it was original, we can ignore it,
// since we are reprocessing it. Duplicates ON the grid have already been checked for.
// NOTE: We can simplify this to just check original, since any deleted ones were in the original.
foreach (FiberSplice checkSplice in currentGrid.Values)
{
int unit = checkSplice.BRange.Low;
checkToUnits.Add(unit);
}
foreach (FiberSplice checkSplice in _original.Values)
{
int unit = checkSplice.BRange.Low;
if (checkToUnits.Contains(unit))
{
checkToUnits.Remove(unit);
}
}
foreach (int fromUnit in currentGrid.Keys)
{
if (!_original.ContainsKey(fromUnit))
{
checkFromUnits.Add(fromUnit);
}
}
if (!SpliceAndConnectionUtils.AreRangesAvailable(checkFromUnits, cableA, cableB.IsOtherFromEnd))
{
isNotOkString = "Some A units are not in the available ranges for the A Cable.";
}
else if (!SpliceAndConnectionUtils.AreRangesAvailable(checkToUnits, cableB, cableB.IsThisFromEnd))
{
isNotOkString = "Some B units are not in the available ranges for the B Cable.";
}
if (0 < isNotOkString.Length)
{
string message = string.Format("{0}\nPlease correct this and try again.", isNotOkString);
MessageBox.Show(message, "Splice Editor", MessageBoxButtons.OK, MessageBoxIcon.Error);
}
else
{
if (null != cableA && null != cableB)
{
// For the deleted ones, if they were added back, don't delete them...
List<int> keys = new List<int>();
keys.AddRange(_deleted.Keys);
foreach (int key in keys)
{
if (currentGrid.ContainsKey(key))
{
FiberSplice fiberSplice = currentGrid[key];
if (fiberSplice.BRange.Low == _deleted[key].BRange.Low
&& fiberSplice.Loss == _deleted[key].Loss
&& fiberSplice.Type == _deleted[key].Type)
{
// It is added back, so don't delete it
_deleted.Remove(key);
}
}
}
if (0 < _deleted.Count)
{
_spliceHelper.BreakSplices(cableA, cableB, splice, _deleted, false);
}
// For the added ones, if they already exist or are not available, don't add them
// Since we already know they are in the fiber count range, the only problem would be if they were already
// spliced. This would be the case if (1) it was part of the original or (2) has already appeared higher
// on the currentGrid. (2) is handled when building currentGrid, by checking if the aUnit or bUnit was already used.
keys.Clear();
keys.AddRange(currentGrid.Keys);
foreach (int key in keys)
{
if (_original.ContainsKey(key))
{
FiberSplice fiberSplice = currentGrid[key];
if (fiberSplice.BRange.Low == _original[key].BRange.Low
&& fiberSplice.Loss == _original[key].Loss
&& fiberSplice.Type == _original[key].Type)
{
// It was on the original, so we don't need to create it
currentGrid.Remove(key);
}
}
}
if (0 < currentGrid.Count)
{
_spliceHelper.CreateSplices(cableA, cableB, splice, currentGrid, false);
}
// These are no longer part of the originals
foreach (KeyValuePair<int, FiberSplice> deletedPair in _deleted)
{
_original.Remove(deletedPair.Key);
}
// These are now part of the originals
foreach (KeyValuePair<int, FiberSplice> addedPair in currentGrid)
{
_original[addedPair.Key] = addedPair.Value;
}
_deleted.Clear(); // The grid is fresh
// Set the existing rows as committed data. Less than count-1 lets us avoid the insert row
for (int i = 0; i < grdSplices.Rows.Count - 1; i++)
{
grdSplices.Rows[i].ReadOnly = true;
}
btnSave.Enabled = false;
btnSave.Tag = false; // No edits made yet
result = true;
}
}
return result;
}
/// <summary>
/// The user has deleted a row
/// </summary>
private void grdSplices_UserDeletingRow(object sender, DataGridViewRowCancelEventArgs e)
{
if (e.Row.ReadOnly)
{
// It was one of the originals
int deletedRowIdx = e.Row.Index;
double? loss = null;
if (null != grdSplices[colLoss.Index, deletedRowIdx].Value)
{
// We know that since the row is original and non-null, the value must have come straight out of the
// database and be parsable
loss = double.Parse(grdSplices[colLoss.Index, deletedRowIdx].Value.ToString());
}
object type = grdSplices[colLoss.Index + 1, deletedRowIdx].Value;
List<Range> aRanges = SpliceAndConnectionUtils.ParseRanges(grdSplices[colRangeA.Index, deletedRowIdx].Value.ToString());
List<Range> bRanges = SpliceAndConnectionUtils.ParseRanges(grdSplices[colRangeB.Index, deletedRowIdx].Value.ToString());
List<Connection> connections = SpliceAndConnectionUtils.MatchUp(aRanges, bRanges);
foreach (Connection connection in connections)
{
Range aRange = connection.ARange;
Range bRange = connection.BRange;
int numUnits = aRange.High - aRange.Low + 1;
for (int offset = 0; offset < numUnits; offset++)
{
int aUnit = aRange.Low + offset;
int bUnit = bRange.Low + offset;
FiberSplice deletedSplice = new FiberSplice(new Range(aUnit, aUnit), new Range(bUnit, bUnit), loss, type);
_deleted[aUnit] = deletedSplice;
}
if (lblAvailableA.Text.StartsWith("N"))
{
lblAvailableA.Text = string.Format("Available: {0}", aRange);
}
else
{
lblAvailableA.Text += string.Format(",{0}", aRange.ToString());
}
if (lblAvailableB.Text.StartsWith("N"))
{
lblAvailableB.Text = string.Format("Available: {0}", bRange);
}
else
{
lblAvailableB.Text += string.Format(",{0}", bRange.ToString());
}
}
}
btnSave.Enabled = true;
btnSave.Tag = true; // Edits made
}