private void PopulateTreeItems(ItemCollection items, TableDrivedEntityDTO entity, string relationshipPath, string entityPath)
{
foreach (var column in entity.Columns)
{
var treeItem = new TreeColumnItem();
treeItem.ColumnID = column.ID;
treeItem.ColumnName = column.Name;
treeItem.Alias = column.Alias;
treeItem.RelationshipPath = relationshipPath;
treeItem.EntityPath = entityPath;
AddColumnNode(items, treeItem, column.Alias);
}
foreach (var relationship in entity.Relationships)
{
var newrelationshipPath = (relationshipPath == "" ? "" : relationshipPath + ",") + relationship.ID;
var newEntityPath = (entityPath == "" ? "" : entityPath + ",") + relationship.Entity2;
TreeRelationshipItem relItem = new TreeRelationshipItem();
relItem.Relationship = relationship;
relItem.RelationshipPath = newrelationshipPath;
relItem.EntityPath = newEntityPath;
var node = AddRelationshipNode(items, relItem);
node.Expanded += Node_Expanded;
node.Items.Add("Loading...");
}
}
private void Node_Expanded(object sender, RoutedEventArgs e)
{
var treeItem = e.Source as RadTreeViewItem;
if (treeItem != null)
{
bool firstTime = false;
if (treeItem.Items.Count > 0)
{
var firstItem = treeItem.Items[0];
if (firstItem is string && firstItem.ToString() == "Loading...")
{
firstTime = true;
}
}
if (firstTime)
{
treeItem.Items.Clear();
BizRelationship bizRelationship = new BizRelationship();
var objectDTO = treeItem.DataContext as TreeRelationshipItem;
var entityID = objectDTO.Relationship.EntityID2;
var cEntity = bizEntity.GetTableDrivedEntity(MyProjectManager.GetMyProjectManager.GetRequester(), entityID, EntityColumnInfoType.WithSimpleColumns, EntityRelationshipInfoType.WithRelationships);
TreeRelationshipItem relItem = new TreeRelationshipItem();
PopulateTreeItems(treeItem.Items, cEntity, objectDTO.RelationshipPath, objectDTO.EntityPath);
}
}
}
private RadTreeViewItem AddRelationshipNode(ItemCollection collection, TreeRelationshipItem relationship)
{
var node = new RadTreeViewItem();
node.DataContext = relationship;
node.Header = GetNodeHeader(relationship.Relationship.Entity2, DatabaseObjectCategory.Relationship);
node.ToolTip = relationship.Relationship.ID + "_" + (string.IsNullOrEmpty(relationship.Relationship.Alias) ? relationship.Relationship.Name : relationship.Relationship.Alias);
collection.Add(node);
return(node);
}
