/// <summary>
/// “确定”按钮点击事件
/// </summary>
/// <param name="sender"></param>
/// <param name="e"></param>
private void certainButton_Click(object sender, EventArgs e)
{
string str = "[";
foreach (Control control in this.Controls)
{
if (control is PanelExLine)
{
PanelExLine pe = (PanelExLine)control;
if (pe.panelEx == null)
{
MessageBox.Show("请完成所有连线");
return;
}
else
{
str += pe.index + "(" + pe.panelEx.index + "),";
}
}
}
str = str.Substring(0, str.Length - 1);
str += "]";
AnswerEvent?.Invoke(str);
Close();
//System.Diagnostics.Debug.WriteLine(str);
}
//线段开始处坐标
private Point getLineStartPoint(Point p, PanelExLine tempP)
{
float bTriangleX = p.X + tempP.Size.Width / 2.0F - tempP.center.X;
float bTriangleY = p.Y + tempP.Size.Height / 2.0F - tempP.center.Y;
float length = (float)Math.Sqrt(Math.Pow(bTriangleX, 2) + Math.Pow(bTriangleY, 2));
float sTriangleX = bTriangleX / length * (tempP.Size.Width / 2.0F);
float sTriangleY = bTriangleY / length * (tempP.Size.Height / 2.0F);
return(new Point((int)(tempP.center.X + sTriangleX), (int)(tempP.center.Y + sTriangleY)));
}
public void addTextAndPanel()
{
for (int i = 1; i <= _lineQuestion.answerCount; i++)
{
Label leftTxt = new Label();
leftTxt.Name = "leftTxt" + (char)(i + 64);
leftTxt.Text = _lineQuestion.leftAnswerList[i - 1].leftAnswer;
leftTxt.Location = new Point(30, 40 + (i - 1) * 80);
leftTxt.AutoSize = true;
this.Controls.Add(leftTxt);
PanelExLine panelExLine = new PanelExLine("panel" + (char)(i + 64), new Point(80, 35 + (i - 1) * 80), new Size(25, 25));
panelExLine.MouseDown += new System.Windows.Forms.MouseEventHandler(this.panel_MouseDown);
panelExLine.MouseMove += new System.Windows.Forms.MouseEventHandler(this.panel_MouseMove);
panelExLine.MouseUp += new System.Windows.Forms.MouseEventHandler(this.panel_MouseUp);
this.Controls.Add(panelExLine);
Label rightTxt = new Label();
rightTxt.Name = "rightLabel" + i;
rightTxt.Text = _lineQuestion.rightAnswerList[i - 1].rightAnswer;
rightTxt.Location = new Point(300, 40 + (i - 1) * 80);
rightTxt.AutoSize = true;
this.Controls.Add(rightTxt);
PanelEx panelEx = new PanelEx("panel" + i, new Point(265, 35 + (i - 1) * 80), new Size(25, 25));
this.Controls.Add(panelEx);
//遍历所有的PanelEx，存入集合中
foreach (Control control in this.Controls)
{
if (control is PanelEx)
{
PanelEx pe = (PanelEx)control;
panelExList.Add(pe);
}
}
//遍历所有的PanelExLine，存入集合中
foreach (Control control in this.Controls)
{
if (control is PanelExLine)
{
PanelExLine pe = (PanelExLine)control;
panelExLineList.Add(pe);
}
}
}
}
private void panel_MouseDown(object sender, MouseEventArgs e)
{
if (e.Button == MouseButtons.Left)
{
panel = (PanelExLine)sender;
if (panel.panelEx != null)
{
if (panel.panelEx.panelExLine != null)
{
panel.panelEx.panelExLine = null;
}
panel.panelEx = null;
}
//鼠标点击时相对于控件的位置进行记录
mouseDownPoint = new Point(MousePosition.X - this.Location.X, MousePosition.Y - this.Location.Y);
}
}