public bool AddItem(TItem item, TItem afterItem)
{
var indexF = 0;
if (afterItem != null)
{
indexF = Array.IndexOf(FixedData, afterItem);
if (indexF == -1)
{
return(false);
}
}
var anchorItem = FixedData[indexF];
var indexD = -1;
for (int i = 0; i < Data.Count; i++)
{
if (ReferenceEquals(Data[i].Item, anchorItem))
{
indexD = i;
break;
}
}
if (indexD == -1)
{
return(false);
}
var displayableItem = new DisplayableItem <TItem>(item);
if (afterItem != null)
{
FixedData = FixedData.Take(indexF + 1)
.Concat(new[] { item })
.Concat(FixedData.Skip(indexF + 1))
.ToArray();
Data = Data.Take(indexD + 1)
.Concat(new[] { displayableItem })
.Concat(Data.Skip(indexD + 1))
.ToList();
}
else
{
FixedData = new[] { item }.Concat(FixedData).ToArray();
Data = new[] { displayableItem }.Concat(Data).ToList();
}
StateHasChanged();
return(true);
}
public async Task <bool> RemoveItem(TItem item)
{
var indexD = -1;
for (int i = 0; i < Data.Count; i++)
{
if (ReferenceEquals(Data[i].Item, item))
{
indexD = i;
break;
}
}
if (indexD == -1)
{
return(false);
}
var indexF = Array.IndexOf(FixedData, item);
if (indexF != -1)
{
FixedData = FixedData.Take(indexF)
.Concat(FixedData.Skip(indexF + 1))
.ToArray();
}
Data = Data.Take(indexD)
.Concat(Data.Skip(indexD + 1))
.ToList();
if (Data.Count == 0)
{
await Refresh();
}
StateHasChanged();
return(true);
}
private void SaveToXml(XmlElement xml, bool oldStyle)
{
SaveBase(xml);
if (FullName != null)
{
FullName.SaveToXml(xml);
}
foreach (ColumnStructure col in Columns)
{
XmlElement cx = XmlTool.AddChild(xml, "Column");
col.Save(cx);
}
if (oldStyle)
{
foreach (DatAdmin.Constraint cnt in Constraints)
{
cnt.Save(xml);
}
}
else
{
foreach (DatAdmin.Constraint cnt in Constraints)
{
XmlElement cx = XmlTool.AddChild(xml, "Constraint");
cnt.SaveToXml(cx);
}
}
XmlTool.SaveParameters(xml, SpecificData);
if (!String.IsNullOrEmpty(Comment))
{
xml.AddChild("Comment").InnerText = Comment;
}
if (FixedData != null)
{
FixedData.SaveToXml(xml.AddChild("FixedData"));
}
}
private static void InsertFixedData(FixedData fixedData)
{
FixedDatas.Add(fixedData.Key, fixedData);
}
