//add foreign key to this table figure
public void addFkConstraint(RelationshipFigure r, kindOptionality optionality)
{
//TODO: implement more than one fk between same tables [multiple times same fk column is used].
List<ColumnFkFigure> tmp = Model.addFkConstraint (r.StartTable.Model, optionality);
foreach (ColumnFkFigure c in tmp) {
this.Add (c);
}
OnFigureChanged (new FigureEventArgs (this, DisplayBox));
}
protected virtual void OnbuttonRelationshipActivated(object sender, System.EventArgs e)
{
RelationshipFigure rel = new RelationshipFigure ();
_owner.Tool = new ConnectionCreationTool (_owner, rel);
}
public RelationshipLineTerminal(RelationshipFigure owner)
: this(owner, 10.0, 20.0, kindRelationshipTerminal.OneMore, kindNotation.CrowsFoot, false)
{
}
public override void InvokeStart(double x, double y, IDrawingView view)
{
if (Owner is TableFigure) {
_clicked = !_clicked;
TableFigure f = (TableFigure)Owner;
if (_locator is IndexLocator) {
//Show/Hide Indexes
if (f.showIndexes) {
foreach (Index indx in f.Model.indexes) {
f.Remove (indx);
}
f.showIndexes = false;
} else {
foreach (Index indx in f.Model.indexes) {
f.Add (indx);
}
f.showIndexes = true;
}
}
if (_locator is TriggerLocator) {
//Show/Hide Triggers
if (f.showTriggers) {
foreach (Trigger trg in f.Model.triggers) {
f.Remove (trg);
}
f.showTriggers = false;
} else {
foreach (Trigger trg in f.Model.triggers) {
f.Add (trg);
}
f.showTriggers = true;
}
}
if (_locator is ColumnAddLocator){
//Add a new column to table
f.addNewColumn();
}
if (_locator is ColumnRemoveLocator){
//Activate a state where the figure wait for the user to click a column and then delete it
f.activateRemoveColumn();
}
if (_locator is ForeignKeyLocator){
//Start Creation of Foreign Key
RelationshipFigure rel = new RelationshipFigure ();
f.figureCanvas.Tool = new ConnectionCreationTool (f.figureCanvas, rel);
f.figureCanvas.Tool.MouseDown(new MouseEvent(f.figureCanvas.View,null,new Cairo.PointD(x,y)));
}
if (_locator is RemoveTableLocator){
//Remove Table Selected
f.unPopulateTable();
//view.ToggleSelection(f);
view.ClearSelection ();
view.Drawing.Remove(f);
view.Remove(f);
List<RelationshipFigure> deleteFigures = new List<RelationshipFigure>();
foreach ( IFigure fig in view.Drawing.FiguresEnumerator){
if(fig is RelationshipFigure){
TableFigure startTable=((fig as RelationshipFigure).StartFigure as TableFigure);
TableFigure endTable=((fig as RelationshipFigure).EndFigure as TableFigure);
if(startTable.Model.Name==f.Model.Name || endTable.Model.Name==f.Model.Name)
deleteFigures.Add(fig as RelationshipFigure);
}
}
if(deleteFigures.Count>0){
view.ClearSelection ();
foreach(RelationshipFigure delRelationship in deleteFigures){
view.Drawing.Remove(delRelationship);
}
}
}
}
}
public RelationshipLineTerminal(RelationshipFigure owner, double lDistance, double pDistance, kindRelationshipTerminal kind, kindNotation notation, bool identifying)
: base()
{
lineDistance = lDistance;
pointDistance = pDistance;
parent=owner;
this.kind = kind;
this.Identifying = identifying;
this.notation = notation;
}
