private void btnDraw_Click(object sender, EventArgs e)
{
int x = 50, y = 100;
var graphics = splitContainer1.Panel2.CreateGraphics();
var oprb = gbOperations.Controls.OfType <RadioButton>()
.FirstOrDefault(n => n.Checked);
BaseVisitor visitor = Activator.CreateInstance(oprb.Tag as Type, graphics) as BaseVisitor;
foreach (Type type in listBoxElements.Items)
{
Rectangle rect = new Rectangle(x, y, 100, 100);
var element = Activator.CreateInstance(type, rect);
if (element is RectangleElement)
{
visitor.Visit(element as RectangleElement);
}
else if (element is EllipseElement)
{
visitor.Visit(element as EllipseElement);
}
else if (element is StarElement)
{
visitor.Visit(element as StarElement);
}
x += 150;
}
}
/// <inheritdoc />
public CoreVisitor(BaseVisitor visitor, bool isNewWriter = false, ConditionType conditionType = ConditionType.Where) : base(visitor, isNewWriter)
{
this.visitor = visitor ?? throw new ArgumentNullException(nameof(visitor));
hasVisitor = true;
switch (conditionType)
{
case ConditionType.And:
whereSwitch = new WhereSwitch(writer.And, writer.And);
break;
case ConditionType.Having:
whereSwitch = new WhereSwitch(writer.Having, writer.And);
break;
case ConditionType.Where:
default:
whereSwitch = new WhereSwitch(writer.Where, writer.And);
break;
}
}
/// <inheritdoc />
public SetExistsVisitor(BaseVisitor visitor) : base(visitor)
{
}
/// <inheritdoc />
public SetContainsVisitor(BaseVisitor visitor) : base(visitor, false)
{
this.visitor = visitor;
}
/// <inheritdoc />
public SelectVisitor(BaseVisitor visitor, bool isNewWriter = true) : base(visitor, isNewWriter)
{
orderBySwitch = new OrderBySwitch(writer.OrderBy, writer.Delimiter);
}
public abstract void Accept(BaseVisitor visitor);
public override void Accept(BaseVisitor visitor)
{
visitor.Visit(this);
}
private QueryVisitor(BaseVisitor baseVisitor) : base(baseVisitor)
{
}
public override void Visit(BaseVisitor visitor)
{
}
public override void Visit(BaseVisitor visitor) => visitor.VisitRealNumNode(this);
public override void Visit(BaseVisitor visitor) => visitor.VisitIndexAccessExpressionNode(this);
public override void Visit(BaseVisitor visitor) => visitor.VisitBinaryExpressionNode(this);
public override void Visit(BaseVisitor visitor) => visitor.VisitCallFunctionNode(this);
public override void Visit(BaseVisitor visitor) => visitor.VisitCallProcedureNode(this);
/// <inheritdoc />
public GroupByLinqVisitor(BaseVisitor visitor) : base(visitor, false, ConditionType.And)
{
}
/// <inheritdoc />
public WhereVisitor(BaseVisitor visitor) : base(visitor, false)
{
this.visitor = visitor;
}
public override void Visit(BaseVisitor visitor) => visitor.VisitDefineTupleNode(this);
/// <inheritdoc /> public override SelectVisitor CreateInstance(BaseVisitor baseVisitor) => new QueryVisitor(baseVisitor);
public override void Visit(BaseVisitor visitor) => visitor.VisitTupleVarNode(this);
public override void Visit(BaseVisitor visitor) => visitor.VisitAssignTupleNode(this);
public override void Visit(BaseVisitor visitor) => visitor.VisitForNode(this);
public InsertSelectVisitor(BaseVisitor visitor, List <string> insertFields) : base(visitor)
{
this.insertFields = insertFields;
}
public override void Visit(BaseVisitor visitor) => visitor.VisitStringNode(this);
public abstract void Visit(BaseVisitor visitor);
public override void Visit(BaseVisitor visitor) => visitor.VisitComplexIDNode(this);
/// <inheritdoc />
public LinqAnyVisitor(BaseVisitor visitor) : base(visitor)
{
}
public InterpreterNodeTraverser(BaseVisitor visitor = null)
{
this.visitor = visitor ?? new defaultVisitor();
}
/// <inheritdoc />
public NestedAnyVisitor(BaseVisitor visitor) : base(visitor, false)
{
}
/// <inheritdoc />
public NestedContainsVisitor(BaseVisitor visitor) : base(visitor, false)
{
}