internal void MergeRow(DmRow row, DmRow targetRow, bool preserveChanges)
{
// Si le merge ne concerne pas une ligne déjà existante
if (targetRow == null)
{
ImportRow(row);
return;
}
int proposedRecord = targetRow.tempRecord; // by saving off the tempRecord, EndEdit won't free newRecord
targetRow.tempRecord = -1;
try
{
DmRowState saveRowState = targetRow.RowState;
int saveIdxRecord = (saveRowState == DmRowState.Added) ? targetRow.newRecord : saveIdxRecord = targetRow.oldRecord;
int newRecord;
int oldRecord;
if (targetRow.RowState == DmRowState.Unchanged && row.RowState == DmRowState.Unchanged)
{
// unchanged row merging with unchanged row
oldRecord = targetRow.oldRecord;
if (preserveChanges)
{
newRecord = this.Rows.GetNewVersionId();
CopyRecords(this, oldRecord, newRecord);
}
else
{
newRecord = targetRow.newRecord;
}
CopyRecords(row.Table, row.oldRecord, targetRow.oldRecord);
}
else if (row.newRecord == -1)
{
// Incoming row is deleted
oldRecord = targetRow.oldRecord;
if (preserveChanges)
{
if (targetRow.RowState == DmRowState.Unchanged)
{
newRecord = this.Rows.GetNewVersionId();
CopyRecords(this, oldRecord, newRecord);
}
else
{
newRecord = targetRow.newRecord;
}
}
else
{
newRecord = -1;
}
CopyRecords(row.Table, row.oldRecord, oldRecord);
}
else
{
// incoming row is added, modified or unchanged (targetRow is not unchanged)
oldRecord = targetRow.oldRecord;
newRecord = targetRow.newRecord;
if (targetRow.RowState == DmRowState.Unchanged)
{
newRecord = this.Rows.GetNewVersionId();
CopyRecords(this, oldRecord, newRecord);
}
CopyRecords(row.Table, row.oldRecord, oldRecord);
if (!preserveChanges)
{
CopyRecords(row.Table, row.newRecord, newRecord);
}
}
}
finally
{
targetRow.tempRecord = proposedRecord;
}
}
internal bool ValuesAreEqual(DmRow row, object[] comparables)
{
var record = row.GetCurrentRecordId();
return(ValuesAreEqual(record, comparables));
}
