private void Expand(ColumnDefinition col)
{
// Filter out expand events at load and when is created or destroyed ExplorerCodeViewGrid
if (!_loaded || col.MaxWidth == 0 || (double.IsPositiveInfinity(col.MaxWidth) && _explorerCodeViewGrid == null))
{
return;
}
col.MinWidth = _columnWidthMap[col].Minimum;
col.MaxWidth = double.PositiveInfinity;
// If not last column, substract new width from the next column if expanded
// If last column substract from previous column if expanded
// Afterwards let WPF handle it
int index = _columnWidthMap.IndexOf(_columnWidthMap[col]);
DefinitionStorage definition = (index < _columnWidthMap.Count - 1) ? _columnWidthMap[index + 1] : _columnWidthMap[index - 1];
ColumnDefinition colDef = (ColumnDefinition)definition.Definition;
double width = _columnWidthMap[col].Actual;
// Check if expanded
if (colDef.MaxWidth != DimensionCollapsedExpander)
{
double newWidth = Math.Max(colDef.Width.Value - (width - DimensionCollapsedExpander), definition.Minimum);
colDef.Width = new GridLength(newWidth, GridUnitType.Star);
}
col.Width = new GridLength(width, GridUnitType.Star);
CheckExploreCodeViewGrid();
}
private void Collapse(ColumnDefinition col)
{
if (col.MaxWidth != 0)
{
_columnWidthMap[col].Actual = col.Width.Value;
}
col.MinWidth = DimensionCollapsedExpander;
col.MaxWidth = DimensionCollapsedExpander;
// If last column, add new width to previous column if expanded
// If first column, add new width to next column if expanded
// Afterwards let WPF handle it
int index = _columnWidthMap.IndexOf(_columnWidthMap[col]);
DefinitionStorage definition = (index < _columnWidthMap.Count - 1) ? _columnWidthMap[index + 1] : _columnWidthMap[index - 1];
ColumnDefinition colDef = (ColumnDefinition)definition.Definition;
double width = _columnWidthMap[col].Actual;
// Check if expanded
if (colDef.MaxWidth != DimensionCollapsedExpander)
{
double newWidth = colDef.Width.Value + (width - DimensionCollapsedExpander);
colDef.Width = new GridLength(newWidth, GridUnitType.Star);
}
col.Width = new GridLength(DimensionCollapsedExpander, GridUnitType.Star);
CheckExploreCodeViewGrid();
}
