/// <summary>
/// Remove column from "selected" (and add to "available" list)
/// </summary>
/// <param name="column"></param>
private void RemoveColumn(GuiGridColumn column)
{
AvailableColumns.Add(column);
SelectedColumns.Remove(column);
SelectedAvailableColumn = column;
SelectedSelectedColumn = null;
}
/// <summary>
/// Sets the displayed column settings to the given settings.
/// </summary>
/// <param name="columnSettings">A mapping of <see cref="Column"/>s to their visibility state.</param>
public void SetVisibleColumns(IReadOnlyDictionary <Column, bool> columnSettings)
{
Contract.RequiresNotNull(columnSettings, nameof(columnSettings));
AvailableColumns.Clear();
VisibleColumns.Clear();
SelectedAvailableColumns.Clear();
SelectedVisibleColumns.Clear();
foreach (Column col in Enum.GetValues(typeof(Column)))
{
bool isVisible;
if (!columnSettings.TryGetValue(col, out isVisible))
{
isVisible = false;
}
if (isVisible)
{
VisibleColumns.Add(col);
}
else
{
AvailableColumns.Add(col);
}
}
}
public void Add(Column col, string def)
{
AvailableColumns.Add(col);
if (def == "Y")
{
ActiveColumns.Add(col);
}
_lookup.Add(col.Name, col);
}
public void Remove()
{
var selected = SelectedColumns.Where(c => c.IsSelected).ToArray();
foreach (var item in selected)
{
SelectedColumns.Remove(item);
item.IsSelected = false;
AvailableColumns.Add(item);
}
}
private void HideColumns()
{
// ToArray used to detach the selection collection while we change the lists.
foreach (var col in SelectedVisibleColumns.ToArray())
{
VisibleColumns.Remove(col);
AvailableColumns.Add(col);
}
SelectedVisibleColumns.Clear();
}
public void Reset()
{
while (SelectedColumns.Count > 0)
{
AvailableColumns.Add(SelectedColumns[0]);
SelectedColumns.RemoveAt(0);
}
foreach (var column in DefaultColumns)
{
AvailableColumns.Remove(column);
SelectedColumns.Add(column);
}
}
/// <summary>
/// Initializes a new instance of <see cref="ColumnPropertiesViewModel"/>.
/// </summary>
/// <param name="columnSettings">The existing column settings to show.</param>
public ColumnPropertiesViewModel(IReadOnlyDictionary <Column, bool> columnSettings)
{
ShowColumnsCmd = new RelayCommand(ShowColumns, CanShowColumns);
HideColumnsCmd = new RelayCommand(HideColumns, CanHideColumns);
MoveColumnsUpCmd = new RelayCommand(MoveColumnsUp, CanMoveColumnsUp);
MoveColumnsDownCmd = new RelayCommand(MoveColumnsDown, CanMoveColumnsDown);
if (columnSettings != null)
{
SetVisibleColumns(columnSettings);
}
else
{
// no settings given - just say they're all hidden.
foreach (Column col in Enum.GetValues(typeof(Column)))
{
AvailableColumns.Add(col);
}
}
}
public void DragDrop(object sourceHost, FieldMapperGridColumn source, object targetHost, FieldMapperGridColumn target, out FieldMapperGridColumn showAvailable, out FieldMapperGridColumn showSelected)
{
showAvailable = null;
showSelected = null;
if (sourceHost == AvailableColumns && targetHost == AvailableColumns)
{
return;
}
if (sourceHost == AvailableColumns && targetHost == SelectedColumns && source != target)
{
source.Visible = true;
AvailableColumns.Remove(source);
if (target == null)
{
AvailableColumns.Add(source);
}
else
{
AvailableColumns.Insert(AvailableColumns.IndexOf(target), source);
}
}
else if (sourceHost == SelectedColumns && targetHost == AvailableColumns)
{
source.Visible = false;
showAvailable = source;
}
else if (source != target)
{
AvailableColumns.Remove(source);
if (target == null)
{
AvailableColumns.Add(source);
}
else
{
AvailableColumns.Insert(AvailableColumns.IndexOf(target), source);
}
}
}
/// <summary>
/// Build columns list for available and selected boxes
/// </summary>
/// <param name="selectedColumns"></param>
private void SetColumns(IEnumerable <GuiGridColumn> selectedColumns)
{
AvailableColumns.Clear();
foreach (var col in EventDefinition.Instance.Columns)
{
var item = selectedColumns.FirstOrDefault(x => x.ColumnType == col.ColumnType) ??
new GuiGridColumn()
{
ColumnType = col.ColumnType,
Width = 100
};
AvailableColumns.Add(item);
}
// when adding selected column they will be auto-removed from "available" list
SelectedColumns.Clear();
foreach (var item in selectedColumns)
{
AddColumn(item);
}
SelectedSelectedColumn = SelectedAvailableColumn = null;
}