public bool PutElement(ArgumentPlaceholder p, DraggableControl el)
{
if (!CanPutElement(p, el))
{
return(false);
}
if (p == condPlaceholder)
{
SetCondElement(el);
return(true);
}
var pos = placeholders.IndexOf(p);
controlStatements.Insert(pos, el);
el.Parent = this;
el.EParent = this;
placeholders.Insert(pos, new ArgumentPlaceholder(this)
{
Parent = this
});
return(true);
}
public bool CanPutElement(ArgumentPlaceholder p, DraggableControl el)
{
if (p == condPlaceholder)
{
return(el is IExpression);
}
return(el is IStatement && placeholders.IndexOf(p) >= 0);
}
public bool PutElement(ArgumentPlaceholder p, DraggableControl el)
{
if (!CanPutElement(p, el))
{
return(false);
}
SetRetExpression(el);
return(true);
}
public VReturnStatement()
{
BackColor = ColorSettings.Get("ReturnStatement");
Size = new Size(100, Const.EXPR_HEIGHT);
argPlaceHolder = new ArgumentPlaceholder(this);
argPlaceHolder.Parent = this;
retLabel = new CustomLabel("вернуть ", BackColor);
Controls.Add(retLabel);
UpdateSize();
}
public VSetVariable()
{
BackColor = ColorSettings.Get("SetVariable");
Size = new Size(100, Const.EXPR_HEIGHT);
argPlaceHolder = new ArgumentPlaceholder(this);
argPlaceHolder.Parent = this;
varPlaceHolder = new ArgumentPlaceholder(this);
varPlaceHolder.Parent = this;
eqLabel = new CustomLabel(" = ", BackColor);
Controls.Add(eqLabel);
UpdateSize();
}
public bool PutElement(ArgumentPlaceholder p, DraggableControl el)
{
if (!CanPutElement(p, el))
{
return(false);
}
if (p == argPlaceHolder)
{
SetExpression(el);
}
else
{
SetVariableRef(el);
}
return(true);
}
public VBinaryOp(IFunctionDeclaration functionDeclaration)
{
function = functionDeclaration;
symbol = functionDeclaration.name;
firstArgPlaceHolder = new ArgumentPlaceholder(this);
secondArgPlaceHolder = new ArgumentPlaceholder(this);
firstArgPlaceHolder.Parent = this;
secondArgPlaceHolder.Parent = this;
OpSymbol = new CustomLabel(symbol, BackColor);
OpSymbol.Parent = this;
UpdateSize();
BackColor = ColorSettings.Get("BinaryOp");
}
public bool CanPutElement(ArgumentPlaceholder p, DraggableControl el)
{
if (!(el is IExpression))
{
return(false);
}
if (p == firstArgPlaceHolder && firstArg == null)
{
return(true);
}
if (p == secondArgPlaceHolder && secondArg == null)
{
return(true);
}
return(false);
}
/// <summary>
/// Вызывается плейсхолдером p при попытке заменить плейсходер выражением el
/// </summary>
public bool PutElement(ArgumentPlaceholder p, DraggableControl el)
{
if (!CanPutElement(p, el))
{
return(false);
}
if (p == firstArgPlaceHolder && firstArg == null)
{
SetFirstArg(el);
return(true);
}
if (p == secondArgPlaceHolder && secondArg == null)
{
SetSecondArg(el);
return(true);
}
return(false);
}
public VCondStatement(string condType)
{
condTypeLabel = new CustomLabel(condType, ColorSettings.Get("CondLabel"))
{
Parent = this,
Location = new Point(5, 5)
};
controlStatements = new List <DraggableControl>();
placeholders = new List <ArgumentPlaceholder>
{
new ArgumentPlaceholder(this).With(_ => { _.Parent = this; })
};
condPlaceholder = new ArgumentPlaceholder(this)
{
Parent = this,
Location = new Point(25, 5)
};
UpdateSize();
}
public bool PutElement(ArgumentPlaceholder p, DraggableControl el)
{
return(true);
}
public bool CanPutElement(ArgumentPlaceholder p, DraggableControl el)
{
return(!IsMainFun(el));
}
public bool CanPutElement(ArgumentPlaceholder p, DraggableControl el)
{
return(el is IStatement && placeholders.Contains(p));
}
public bool CanPutElement(ArgumentPlaceholder p, DraggableControl el)
{
return(p == argPlaceHolder && el is IExpression ||
p == varPlaceHolder && el is VVariableRef);
}
protected void Hide(ArgumentPlaceholder h)
{
h.Location = new Point(-100, -100);
}