private void btnEdit_Click(object sender, EventArgs e)
{
if (!(lstRelates.SelectedItem is TableRelationItem))
{
return;
}
ITableRelation relation = ((TableRelationItem)lstRelates.SelectedItem).TableRelation;
AddTableRelationDialog dlg = new AddTableRelationDialog(_mapDocument, _layer);
dlg.TableRelation = relation;
if (dlg.ShowDialog() == DialogResult.OK)
{
ITableRelation newRelation = dlg.TableRelation;
if (newRelation != null && newRelation.LeftTable != null && newRelation.RightTable != null)
{
_mapDocument.TableRelations.Remove(relation);
_mapDocument.TableRelations.Add(newRelation);
if (relation.LeftTable != null && relation.RightTable != null)
{
relation.LeftTable.FirePropertyChanged();
relation.RightTable.FirePropertyChanged();
}
newRelation.LeftTable.FirePropertyChanged();
newRelation.RightTable.FirePropertyChanged();
FillList();
}
}
}
private void treeObjects_BeforeExpand(object sender, TreeViewCancelEventArgs e)
{
if (e.Node is RelationTreeNode)
{
IFeatureCursor cursor = null;
RelationTreeNode rtn = (RelationTreeNode)e.Node;
try
{
rtn.Nodes.Clear();
FeatureTreeNode ftn = (FeatureTreeNode)rtn.Parent;
ITableRelation relation = rtn.TableRelation;
ILayer target = null;
if (relation.LeftTable == ftn.Layer && ftn.Feature[relation.LeftTableField] != null)
{
target = relation.RightTable as ILayer;
cursor = relation.GetRightRows(TargetFields(target), ftn.Feature[relation.LeftTableField]) as IFeatureCursor;
}
else if (relation.RightTable == ftn.Layer)
{
target = relation.LeftTable as ILayer;
cursor = relation.GetLeftRows(TargetFields(target), ftn.Feature[relation.RightTableField]) as IFeatureCursor;
}
if (cursor == null || target == null)
{
return;
}
string primaryDisplayField = String.Empty;
if (target is IFeatureLayer && ((IFeatureLayer)target).Fields.PrimaryDisplayField != null)
{
primaryDisplayField = ((IFeatureLayer)target).Fields.PrimaryDisplayField.name;
}
IFeature feature = null;
while ((feature = cursor.NextFeature) != null)
{
rtn.Nodes.Add(new FeatureTreeNode(_doc, feature,
_doc.FocusMap.Display.SpatialReference,
target,
(target is IFeatureLayer ? ((IFeatureLayer)target).Fields.PrimaryDisplayField.name : String.Empty),
1));
}
}
finally
{
if (cursor != null)
{
cursor.Dispose();
}
if (rtn.Nodes.Count == 0)
{
rtn.Nodes.Add(new TreeNode());
rtn.Collapse();
}
}
}
}
public SelectionRelationTreeNode(ITableRelation tableRelation, IDatasetElement element)
{
this.TableRelation = tableRelation;
this.DatasetElement = element;
IDatasetElement target = (tableRelation.LeftTable == element) ? tableRelation.RightTable : tableRelation.LeftTable;
base.Text = tableRelation.RelationName + " (" + target.Title + ")";
base.ImageIndex = 0;
}
public RelationTreeNode(IMapDocument mapDocument, ITableRelation tableRelation, IDatasetElement element)
{
_mapDocument = mapDocument;
this.TableRelation = tableRelation;
this.DatasetElement = element;
IDatasetElement target = (tableRelation.LeftTable == element) ? tableRelation.RightTable : tableRelation.LeftTable;
base.Text = tableRelation.RelationName + " (" + target.Title + ")";
base.Click += new EventHandler(RelationTreeNode_Click);
}
private void btnAdd_Click(object sender, EventArgs e)
{
AddTableRelationDialog dlg = new AddTableRelationDialog(_mapDocument, _layer);
if (dlg.ShowDialog() == DialogResult.OK)
{
ITableRelation relation = dlg.TableRelation;
if (relation != null && relation.LeftTable != null && relation.RightTable != null)
{
_mapDocument.TableRelations.Add(relation);
relation.LeftTable.FirePropertyChanged();
relation.RightTable.FirePropertyChanged();
FillList();
}
}
}
public ITable GetChildTable(ITableRelation relation)
{
string tableName;
if (_data.ActualProperties.ContainsKey(relation.ChildTableName))
{
return(new JsonSchemaTable(relation.ChildTableName, null, _provider, _data.ActualProperties[relation.ChildTableName]));
}
else if (_provider.AliasDictionary.TryGetValue(relation.ChildTableName, out tableName))
{
return(new JsonSchemaTable(relation.ChildTableName, null, _provider, _data.ActualProperties[tableName]));
}
else
{
_provider.Logger.Warn(LogCategory.DataProvider, "JSON: Property {0} not found in schema.", new object[] { relation.ChildTableName });
return(null);
}
}
private void btnRemove_Click(object sender, EventArgs e)
{
if (!(lstRelates.SelectedItem is TableRelationItem))
{
return;
}
ITableRelation relation = ((TableRelationItem)lstRelates.SelectedItem).TableRelation;
if (relation != null)
{
_mapDocument.TableRelations.Remove(relation);
if (relation.LeftTable != null)
{
relation.LeftTable.FirePropertyChanged();
}
if (relation.RightTable != null)
{
relation.RightTable.FirePropertyChanged();
}
}
FillList();
}
public virtual ITableRow GetParentRow(ITableRelation relation)
{
throw new NotImplementedException();
}
public virtual ITable GetChildTable(ITableRelation relation)
{
throw new NotImplementedException();
}
