void ButtonClick(object sender, EventArgs e)
{
var button = sender as Button;
currentValue = (button.Tag as IButtonAction).Click
(currentValue, label1, previousAction);
previousAction = button.Tag as IButtonAction;
}
public override decimal Click(decimal currentValue, Label display, IButtonAction previousAction)
{
//演算キーを押してない状態にする
Operator.ResetOperetion();
//baseを指定すると、スーパークラスのメソッドを呼び出せる。
//これにより、ClearEntryButtonを実行する
return(base.Click(currentValue, display, previousAction));
}
//string clickText = "Button was Clicked!";
public Button(Texture2D texture, SpriteFont font, SpriteBatch sBatch, IButtonAction action)
{
_action = action;
image = texture;
this.font = font;
position = new Rectangle(0, 0, image.Width, image.Height);
spriteBatch = sBatch;
}
public Button(string imgName, Vector2 position, IButtonAction iAction1)
{
this.imgName = imgName;
this.position = position;
this.iAction1 = iAction1;
startPosition = position;
Initialize();
}
public Form1()
{
InitializeComponent();
previousAction = new NumberButtonAction(0);
buttonNum0.Tag = previousAction;
buttonNum1.Tag = new NumberButtonAction(1);
buttonNum2.Tag = new NumberButtonAction(2);
buttonNum3.Tag = new NumberButtonAction(3);
buttonNum4.Tag = new NumberButtonAction(4);
buttonNum5.Tag = new NumberButtonAction(5);
buttonNum6.Tag = new NumberButtonAction(6);
buttonNum7.Tag = new NumberButtonAction(7);
buttonNum8.Tag = new NumberButtonAction(8);
buttonNum9.Tag = new NumberButtonAction(9);
buttonAC.Tag = new AllClearButton();
buttonCE.Tag = new ClearEntryButton();
buttonSlash.Tag = new Operator((left, right) =>
{
if (right == 0)
{
MessageBox.Show("0除算は禁止事項です");
return(0);
}
else
{
return(left / right);
}
});
buttonAsterisk.Tag = new Operator((left, right) => left * right);
buttonPlus.Tag = new Operator((left, right) => left + right);
buttonMinus.Tag = new Operator((left, right) => left - right);
buttonEqual.Tag = new Operator((left, right) => right);
foreach (var button in panel1.Controls.OfType <Button>())
{
if (button.Text != ".")
{
button.Click += ButtonClick;
}
}
void ButtonClick(object sender, EventArgs e)
{
var button = sender as Button;
currentValue = (button.Tag as IButtonAction).Click(currentValue, label1, previousAction);
previousAction = button.Tag as IButtonAction;
}
}
public decimal Click(decimal currentValue, Label display, IButtonAction previousAction)
{
try
{
decimal nextVal = previousCalculate(currentValue, decimal.Parse(display.Text));
previousCalculate = calculate;
display.Text = nextVal.ToString();
return(nextVal);
}
catch (OverflowException)
{
MessageBox.Show("オーバーフロー！");
return(currentValue);//計算しなかったことにする
}
}
public decimal Click(decimal currentValue, Label display, IButtonAction previousAction)
{
if (display.Text == "0" || previousAction is Operator)
{
display.Text = displayNumber.ToString();
}
else
{
if (IsOverFlow(display.Text))
{
MessageBox.Show("これ以上入力できません");
}
else
{
display.Text += displayNumber;
//文字列+ほかの型を実行すると自動的にほかの型はToString()される
}
}
return(currentValue);
}
public Form1()
{
InitializeComponent();
previousAction = new NumberButtonAction(0);
buttonNum0.Tag = previousAction;
buttonNum1.Tag = new NumberButtonAction(1);
buttonNum2.Tag = new NumberButtonAction(2);
buttonNum3.Tag = new NumberButtonAction(3);
buttonNum4.Tag = new NumberButtonAction(4);
buttonNum5.Tag = new NumberButtonAction(5);
buttonNum6.Tag = new NumberButtonAction(6);
buttonNum7.Tag = new NumberButtonAction(7);
buttonNum8.Tag = new NumberButtonAction(8);
buttonNum9.Tag = new NumberButtonAction(9);
buttonAC.Tag = new AllClearButton();
buttonCE.Tag = new ClearEntryButton();
buttonSlash.Tag = new Operator((left, right) =>
{
if (right == 0)
{
MessageBox.Show("0で除算はできません。");
return 0;
}
return left / right;
});
buttonAsterisk.Tag = new Operator((left, right) => left * right);
buttonMinus.Tag = new Operator((left, right) => left - right);
buttonPlus.Tag = new Operator((left, right) => left + right);
buttonEqual.Tag = new Operator((Left, right) => right);
foreach (var button in panel1.Controls.OfType<Button>())
{
if (button.Text != ".")
{
button.Click += ButtonClick;
}
}
}
private void ReadActions(XElement node)
{
_actions = new List <IButtonAction>();
foreach (XElement child in node.Elements())
{
if (child.Name != "action")
{
continue;
}
string type = GetAttributeValue(child, "type", "legacy");
Type actionClass;
if (!Actions.TryGetValue(type, out actionClass))
{
throw new ArgumentException($"No button action type {type} is registered.");
}
IButtonAction newAction = naid.ReflectionUtils.ConstructParameterless <IButtonAction>(actionClass);
newAction.Init(child);
_actions.Add(newAction);
}
}
//Clickメソッドをオーバーライドできるようにする
public virtual decimal Click(decimal currentValue, Label display, IButtonAction previousAction)
{
//CEを押した際に反応する
display.Text = "0";
return(currentValue);
}
public override decimal Click(decimal currentValue, Label display, IButtonAction previousAction)
{
Operator.ResetOperation();
return base.Click(currentValue, display, previousAction);
}
public decimal Click(decimal currentValue, Label display, IButtonAction previousAction)
{
try
{
decimal nextVal = previousCalculate
(currentValue, decimal.Parse(display.Text));
previousCalculate = calculate;
display.Text = nextVal.ToString();
return nextVal;
}
catch (OverflowException)
{
MessageBox.Show("オーバーフロー");
return currentValue;
}
}
public decimal Click(decimal currentValue, Label display, IButtonAction previousAction)
{
if (display.Text == "0" || previousAction is Operator)
{
display.Text = displayNumber.ToString();
}
else
{
display.Text += displayNumber;
}
return currentValue;
}
public virtual decimal Click(decimal currentValue, Label display, IButtonAction previousAction)
{
display.Text = "0";
return currentValue;
}
public void SetAction(IButtonAction action)
{
iAction1 = action;
Initialize();
}
public Button(string imgName, Vector2 position, IButtonAction iAction1, IButtonAction iAction2, IButtonAction iAction3) :
this(imgName, position, iAction1, iAction2)
{
this.iAction3 = iAction3;
}
