private bool ValidateSelection(RelationshipItemPanel panel)
{
GrilleColumn column = panel.SelectedColumn();
GrilleRelationshipItem item = this.Relationship.GetItemByColumn(column);
if (item == null || item == panel.RelationshipItem)
{
return(true);
}
if (item != null)
{
String title = "";
String message = "";
if (panel.RelationshipItem == null)
{
if (item.primary)
{
title = "Wrong selection";
}
}
MessageDisplayer.DisplayWarning(title, message);
return(false);
}
return(true);
}
private void OnDeleted(object item)
{
RelationshipItemPanel panel = (RelationshipItemPanel)item;
if (panel.RelationshipItem != null)
{
if (this.Relationship == null)
{
this.Relationship = GetNewRelationship();
}
this.Relationship.RemoveItem(panel.RelationshipItem);
this.panel.Children.Remove(panel);
if (this.ActiveItemPanel != null && this.ActiveItemPanel == panel)
{
this.ActiveItemPanel = (RelationshipItemPanel)this.panel.Children[this.panel.Children.Count - 1];
}
int index = 1;
foreach (object pan in this.panel.Children)
{
((RelationshipItemPanel)pan).Index = index++;
}
if (Changed != null)
{
Changed();
}
if (ItemDeleted != null && panel.RelationshipItem != null)
{
ItemDeleted(panel.RelationshipItem);
}
if (panel.RelationshipItem.column.type != ParameterType.SCOPE.ToString())
{
return;
}
if (panel.RelationshipItem.primary)
{
this.Grid.RelatedColumnsDataSource.Add(panel.RelationshipItem.column);
}
else
{
this.Grid.PrimaryColumnsDataSource.Add(panel.RelationshipItem.column);
}
}
}
private bool OnItemChanged(object item)
{
RelationshipItemPanel panel = (RelationshipItemPanel)item;
if (this.Relationship == null)
{
this.Relationship = GetNewRelationship();
}
if (ValidateSelection(panel))
{
bool isNew = panel.RelationshipItem == null;
GrilleColumn oldColumn = isNew ? null : panel.RelationshipItem.column;
panel.Fill();
if (isNew)
{
this.Relationship.AddItem(panel.RelationshipItem);
}
else
{
this.Relationship.UpdateItem(panel.RelationshipItem);
}
OnChanged(panel.RelationshipItem, isNew);
if (panel.RelationshipItem.primary)
{
this.Grid.RelatedColumnsDataSource.Remove(panel.RelationshipItem.column);
this.Grid.RelatedColumnsDataSource.Add(oldColumn);
}
else
{
this.Grid.PrimaryColumnsDataSource.Remove(panel.RelationshipItem.column);
this.Grid.PrimaryColumnsDataSource.Add(oldColumn);
}
return(true);
}
return(false);
}
/// <summary>
///
/// </summary>
/// <param name="relationship"></param>
public void Display(Grille grid)
{
this.Grid = grid;
this.panel.Children.Clear();
int index = 1;
if (this.Relationship == null)
{
this.ActiveItemPanel = new RelationshipItemPanel(grid, index, IsPrimary);
AddItemPanel(this.ActiveItemPanel);
return;
}
foreach (GrilleRelationshipItem item in this.Relationship.itemListChangeHandler.Items)
{
if (IsPrimary == item.primary)
{
RelationshipItemPanel itemPanel = new RelationshipItemPanel(grid, item, IsPrimary);
AddItemPanel(itemPanel);
index++;
}
}
this.ActiveItemPanel = new RelationshipItemPanel(grid, index, IsPrimary);
AddItemPanel(this.ActiveItemPanel);
}
protected void AddItemPanel(RelationshipItemPanel itemPanel)
{
itemPanel.Changed += OnItemChanged;
itemPanel.Deleted += OnDeleted;
this.panel.Children.Add(itemPanel);
}
