int RelationshipHeight(modelEntity currentEntity)
{
try
{
int value;
var canGetValue = entityHeightProccessed.TryGetValue(currentEntity.name, out value);
if (canGetValue)
{
return(value);
}
else if (currentEntity.relationship.Count == 0)
{
entityHeightProccessed[currentEntity.name] = 0;
return(0);
}
else
{
var height = 0;
foreach (var relation in currentEntity.relationship)
{
if (relation != null)
{
if (relation.toMany == null)
{
relation.toMany = "False";
}
if (relation.toMany.ToLower().Equals("no") || relation.toMany.ToLower().Equals("false"))
{
int entityIndex = -1;
entityIndex = FindEntityIndex(relation.destinationEntity);
if (entityIndex > -1)
{
var relationEntity = XmlTemplateModel.entity[entityIndex];
entityHeightProccessed[currentEntity.name] = 1;
var relatedHeight = RelationshipHeight(relationEntity) + 1;
entityHeightProccessed[currentEntity.name] = relatedHeight;
if (relatedHeight > height)
{
height = relatedHeight;
}
}
}
}
}
return(height);
}
}
catch (Exception ex)
{
var error = ex.Message;
return(0);
}
}
/// <summary>
/// Handles the Click event of the OKButton control.
/// </summary>
/// <param name="sender">The source of the event.</param>
/// <param name="e">The <see cref="System.Windows.RoutedEventArgs"/> instance containing the event data.</param>
private void OKButton_Click(object sender, RoutedEventArgs e)
{
if (this.ValidateValues())
{
this.EntityRelationshipModel.name = this.RelationshipNameTextBox.Text;
this.DialogResult = true;
this.EntityRelationshipModel.clientKey = clientKeys;
this.EntityRelationshipModel.destinationEntity = destination;
this.EntityRelationshipModel.toMany = Helper.ConvertBoolToString(MultipleRelationshipsCheckBox.IsChecked);
var inverseItem = InverseComboBox.SelectedItem.ToString();
if (inverseItem.Equals("No Inverse"))
{
var messageResult = MessageBox.Show("Do you want to auto-generate it?", "Missing inverse relationship",
MessageBoxButton.YesNo, MessageBoxImage.Question);
if (messageResult == MessageBoxResult.Yes)
{
var inverseRelation = new modelEntityRelationship();
inverseRelation.name = "r_" + parentWindow.SelectedEntity.name;
inverseRelation.destinationEntity = parentWindow.SelectedEntity.name;
inverseRelation.inverseName = this.EntityRelationshipModel.name;
inverseRelation.inverseEntity = destination;
inverseRelation.toMany = Helper.ConvertBoolToString(!MultipleRelationshipsCheckBox.IsChecked);
this.EntityRelationshipModel.inverseEntity = inverseRelation.destinationEntity;
this.EntityRelationshipModel.inverseName = inverseRelation.name;
var entities = ((ViewModel)parentWindow.DataContext).XmlTemplateModel.entity;
modelEntity selectedEntity = null;
foreach (var currentEntity in entities)
{
if (currentEntity.name.Equals(destination))
{
selectedEntity = currentEntity;
}
}
if (selectedEntity != null)
{
selectedEntity.relationship.Add(inverseRelation);
}
}
else if (messageResult == MessageBoxResult.No)
{
this.EntityRelationshipModel.inverseEntity = this.InverseComboBox.SelectedItem.ToString();
}
}
}
else
{
this.RelationshipNameTextBox.Text = this.EntityRelationshipModel.name;
}
}
void CheckIsRootRelated(modelEntity selectedEntity)
{
if (selectedEntity != null && selectedEntity.isRootRelated.Equals("True"))
{
List <modelEntityAttribute> parcelNumberAtts = selectedEntity.attribute.Where(a => a.name.Contains("parcelNbr_mb")).ToList();
List <modelEntityAttribute> rootIdAtt = selectedEntity.attribute.Where(a => a.name.Contains("rootId_mb")).ToList();
foreach (var currentAtt in parcelNumberAtts)
{
selectedEntity.attribute.Remove(currentAtt);
if (rootIdAtt.Count == 0)
{
currentAtt.name = "rootId_mb";
selectedEntity.attribute.Add(currentAtt);
}
}
}
}
/// <summary>
/// Handles the SelectionChanged event of the InverseComboBox control.
/// </summary>
/// <param name="sender">The source of the event.</param>
/// <param name="e">The <see cref="System.Windows.Controls.SelectionChangedEventArgs"/> instance containing the event data.</param>
private void InverseComboBox_SelectionChanged(object sender, SelectionChangedEventArgs e)
{
string inverse = this.InverseComboBox.SelectedItem.ToString();
// Logic to force the M:N relationships only possible via intermediary tables.
string selected = this.DestinationComboBox.SelectedItem.ToString();
modelEntity otherEntity = ((ViewModel)parentWindow.DataContext).XmlTemplateModel.entity.FirstOrDefault(ent => ent.name == selected);
if (otherEntity != null)
{
modelEntityRelationship inverseRel = otherEntity.relationship.FirstOrDefault(r => r.name == inverse);
if (inverseRel != null && Helper.ValidateBoolFromString(inverseRel.toMany))
{
this.MultipleRelationshipsCheckBox.IsChecked = false;
this.MultipleRelationshipsCheckBox.IsEnabled = false;
}
}
}
/// <summary>
/// Handles the SelectionChanged event of the DestinationComboBox control.
/// </summary>
/// <param name="sender">The source of the event.</param>
/// <param name="e">The <see cref="System.Windows.Controls.SelectionChangedEventArgs"/> instance containing the event data.</param>
private void DestinationComboBox_SelectionChanged(object sender, SelectionChangedEventArgs e)
{
string selected = this.DestinationComboBox.SelectedItem.ToString();
destination = selected;
clientKeys.Clear();
if (destination == this.EntityRelationshipModel.destinationEntity && EntityRelationshipModel.clientKey != null)
{
this.EntityRelationshipModel.clientKey.ToList().ForEach(r => clientKeys.Add(r));
}
if (selected != WPFDesigner_XML.Resources.NoDestination)
{
modelEntity otherEntity = ((ViewModel)parentWindow.DataContext).XmlTemplateModel.entity.FirstOrDefault(ent => ent.name == selected);
if (otherEntity != null)
{
List <string> attrsName = new List <string>();
otherEntity.attribute.ToList().ForEach(a => attrsName.Add(a.name));
this.DestinationKeyComboBox.ItemsSource = new ObservableCollection <string>(attrsName);
}
List <string> relationships = new List <string>();
if (otherEntity != null && otherEntity.relationship != null && parentWindow.SelectedEntity != null)
{
otherEntity.relationship.Where(r => r.destinationEntity == parentWindow.SelectedEntity.name).ToList().ForEach(a => relationships.Add(a.name));
}
if (relationships.Count > 0)
{
this.LoadInverseCombobox(relationships);
}
else
{
this.LoadInverseCombobox(null);
}
}
else
{
this.LoadInverseCombobox(null);
}
}
