/// <summary>
/// Sets all adjacent columns of the same outline level to the specified hidden status.
/// </summary>
/// <param name="pIdx">the col info index of the start of the outline group.</param>
/// <param name="level">The level.</param>
/// <param name="hidden">The hidden.</param>
/// <returns>the column index of the last column in the outline group</returns>
private int SetGroupHidden(int pIdx, int level, bool hidden)
{
int idx = pIdx;
ColumnInfoRecord columnInfo = GetColInfo(idx);
while (idx < records.Count)
{
columnInfo.IsHidden = (hidden);
if (idx + 1 < records.Count)
{
ColumnInfoRecord nextColumnInfo = GetColInfo(idx + 1);
if (!columnInfo.IsAdjacentBefore(nextColumnInfo))
{
break;
}
if (nextColumnInfo.OutlineLevel < level)
{
break;
}
columnInfo = nextColumnInfo;
}
idx++;
}
return(columnInfo.LastColumn);
}
/**
* merges two column info records (if they are adjacent and have the same formatting, etc)
* @return <c>false</c> if the two column records could not be merged
*/
private static bool MergeColInfoRecords(ColumnInfoRecord ciA, ColumnInfoRecord ciB)
{
if (ciA.IsAdjacentBefore(ciB) && ciA.FormatMatches(ciB))
{
ciA.LastColumn = ciB.LastColumn;
return(true);
}
return(false);
}
/// <summary>
/// Determines whether [is column group hidden by parent] [the specified idx].
/// </summary>
/// <param name="idx">The idx.</param>
/// <returns>
/// <c>true</c> if [is column group hidden by parent] [the specified idx]; otherwise, <c>false</c>.
/// </returns>
public bool IsColumnGroupHiddenByParent(int idx)
{
// Look out outline details of end
int endLevel = 0;
bool endHidden = false;
int endOfOutlineGroupIdx = FindEndOfColumnOutlineGroup(idx);
if (endOfOutlineGroupIdx < records.Count)
{
ColumnInfoRecord nextInfo = GetColInfo(endOfOutlineGroupIdx + 1);
if (GetColInfo(endOfOutlineGroupIdx).IsAdjacentBefore(nextInfo))
{
endLevel = nextInfo.OutlineLevel;
endHidden = nextInfo.IsHidden;
}
}
// Look out outline details of start
int startLevel = 0;
bool startHidden = false;
int startOfOutlineGroupIdx = FindStartOfColumnOutlineGroup(idx);
if (startOfOutlineGroupIdx > 0)
{
ColumnInfoRecord prevInfo = GetColInfo(startOfOutlineGroupIdx - 1);
if (prevInfo.IsAdjacentBefore(GetColInfo(startOfOutlineGroupIdx)))
{
startLevel = prevInfo.OutlineLevel;
startHidden = prevInfo.IsHidden;
}
}
if (endLevel > startLevel)
{
return(endHidden);
}
return(startHidden);
}
