{

/// <summary>

/// TimeBaseLine 的摘要说明。

/// </summary>

///

[DefaultEvent("ValueChanged")]

public class TimeBaseLine : System.Windows.Forms.UserControl

{

private System.Windows.Forms.TextBox valueBox;

private System.Windows.Forms.VScrollBar upDown;

private readonly int[,] point =new int[,] {{1,1}, {3,2}, {6,2}, {9,2}, {12,3},{12,3}};

private DateTime timeValue=DateTime.Parse("00:00:00.000");

private bool Symbol=true;

private bool inputState;

/// <summary>

/// 数据值已改变

/// </summary>

public event EventHandler ValueChanged;

/// <summary>

/// 必需的设计器变量。

/// </summary>

private System.ComponentModel.Container components = null;

public TimeBaseLine()

{

// 该调用是 Windows.Forms 窗体设计器所必需的。

InitializeComponent();

valueBox.SelectionStart=15;

// TODO: 在 InitializeComponent 调用后添加任何初始化

}

/// <summary>

/// 清理所有正在使用的资源。

/// </summary>

protected override void Dispose( bool disposing )

{

if( disposing )

{

if(components != null)

{

components.Dispose();

}

}

base.Dispose( disposing );

}

#region 组件设计器生成的代码

/// <summary>

/// 设计器支持所需的方法 - 不要使用代码编辑器

/// 修改此方法的内容。

/// </summary>

private void InitializeComponent()

{

this.valueBox = new System.Windows.Forms.TextBox();

this.upDown = new System.Windows.Forms.VScrollBar();

this.SuspendLayout();

//

// valueBox

//

this.valueBox.Location = new System.Drawing.Point(1, 2);

this.valueBox.Name = "valueBox";

this.valueBox.Size = new System.Drawing.Size(112, 21);

this.valueBox.TabIndex = 0;

this.valueBox.Text = " + 00:00:00,000";

this.valueBox.KeyDown += new System.Windows.Forms.KeyEventHandler(this.valueBox_KeyDown);

this.valueBox.MouseDown += new System.Windows.Forms.MouseEventHandler(this.valueBox_MouseDown);

this.valueBox.KeyPress += new System.Windows.Forms.KeyPressEventHandler(this.valueBox_KeyPress);

this.valueBox.DoubleClick += new System.EventHandler(this.valueBox_DoubleClick);

this.valueBox.MouseMove += new System.Windows.Forms.MouseEventHandler(this.valueBox_MouseMove);

//

// upDown

//

this.upDown.LargeChange = 1;

this.upDown.Location = new System.Drawing.Point(96, 3);

this.upDown.Maximum = 1;

this.upDown.Name = "upDown";

this.upDown.Size = new System.Drawing.Size(16, 19);

this.upDown.TabIndex = 0;

this.upDown.Scroll += new System.Windows.Forms.ScrollEventHandler(this.upDown_Scroll);

//

// TimeBaseLine

//

this.Controls.Add(this.upDown);

this.Controls.Add(this.valueBox);

this.Name = "TimeBaseLine";

this.Size = new System.Drawing.Size(113, 24);

this.ResumeLayout(false);

}

#endregion

/// <summary>

/// 设置或返回时间基线值

/// </summary>

public TimeSpan Value

{

get

{

TimeSpan ts=new TimeSpan(0,timeValue.Hour,timeValue.Minute,timeValue.Second,timeValue.Millisecond);

return Symbol?ts:-ts;

}

set

{

Symbol=value>=TimeSpan.Zero;

ValueChange(DateTime.Parse(value.ToString()));

}

}

private void valueBox_KeyPress(object sender, System.Windows.Forms.KeyPressEventArgs e)

{

string filter=valueBox.SelectionStart<3?"+-":"0123456789";

if (filter.IndexOf(e.KeyChar)>-1)

{

switch(valueBox.SelectionStart/3)

{

case 0:

if (Symbol!=(e.KeyChar=='+')) SymbolChange();

break;

case 1:

if (inputState)

{

filter=timeValue.Hour.ToString()+e.KeyChar;

filter=filter.Substring(filter.Length-2);

if (int.Parse(filter)>23) filter=e.KeyChar.ToString();

}

else

filter=e.KeyChar.ToString();

inputState=int.Parse(filter)<10;

filter+=":"+timeValue.Minute.ToString()+":"+timeValue.Second.ToString()+"."+timeValue.Millisecond.ToString();

ValueChange(DateTime.Parse(filter));

break;

case 2:

if (inputState)

{

filter=timeValue.Minute.ToString()+e.KeyChar;

filter=filter.Substring(filter.Length-2);

if (int.Parse(filter)>59) filter=e.KeyChar.ToString();

}

else

filter=e.KeyChar.ToString();

inputState=int.Parse(filter)<10;

filter=timeValue.Hour.ToString()+":"+ filter +":"+timeValue.Second.ToString()+"."+timeValue.Millisecond.ToString();

ValueChange(DateTime.Parse(filter));

break;

case 3:

if (inputState)

{

filter=timeValue.Second.ToString()+e.KeyChar;

filter=filter.Substring(filter.Length-2);

if (int.Parse(filter)>59) filter=e.KeyChar.ToString();

}

else

filter=e.KeyChar.ToString();

inputState=int.Parse(filter)<10;

filter=timeValue.Hour.ToString()+":"+ timeValue.Minute.ToString() +":"+ filter +"."+timeValue.Millisecond.ToString();

ValueChange(DateTime.Parse(filter));

break;

case 4:

if (inputState)

{

filter="0"+(timeValue.Millisecond).ToString()+e.KeyChar;

filter=filter.Substring(filter.Length-3);

}

else

filter="00"+e.KeyChar.ToString();

inputState=int.Parse(filter)<100;

filter=timeValue.Hour.ToString()+":"+ timeValue.Minute.ToString() +":"+ timeValue.Second.ToString() +"."+ filter;

ValueChange(DateTime.Parse(filter));

break;

}

}

e.Handled=true;

}

private void valueBox_KeyDown(object sender, System.Windows.Forms.KeyEventArgs e)

{

int selPos=valueBox.SelectionStart/3;

switch (e.KeyCode)

{

case Keys.Left:

selPos=selPos>0?selPos-1:4;

goto case Keys.Space;

case Keys.Right:

selPos=selPos<4?selPos+1:0;

goto case Keys.Space;

case Keys.Up:

UpDown(true);

goto case Keys.Space;

case Keys.Down:

UpDown(false);

goto case Keys.Space;

case Keys.Space:

IndexChange(selPos);

inputState=false;

break;

}

e.Handled=true;

}

private void UpDown(bool isUp)

{

switch (valueBox.SelectionStart/3)

{

case 0:

SymbolChange();

break;

case 1:

ValueChange(timeValue.AddHours(isUp?1:-1));

break;

case 2:

ValueChange(timeValue.AddMinutes(isUp?1:-1));

break;

case 3:

ValueChange(timeValue.AddSeconds(isUp?1:-1));

break;

case 4:

ValueChange(timeValue.AddMilliseconds(isUp?1:-1));

break;

}

}

private void ValueChange(DateTime newValue)

{

timeValue=newValue;

Repaint();

}

private void SymbolChange()

{

Symbol=!Symbol;

Repaint();

}

private void Repaint()

{

int i=valueBox.SelectionStart/3;

valueBox.Text=(Symbol?" + ":" - ") + timeValue.ToString(Pub.Format);

IndexChange(i);

if (ValueChanged!=null) ValueChanged(this,null);

}

private void IndexChange(int selectIndex)

{

valueBox.Select(point[selectIndex,0],point[selectIndex,1]);

}

private void upDown_Scroll(object sender, System.Windows.Forms.ScrollEventArgs e)

{

if (e.Type==ScrollEventType.SmallDecrement||e.Type==ScrollEventType.SmallIncrement)

UpDown(e.NewValue==0);

}

private void valueBox_MouseDown(object sender, System.Windows.Forms.MouseEventArgs e)

{

IndexChange(valueBox.SelectionStart/3);

inputState=false;

}

private void valueBox_MouseMove(object sender, System.Windows.Forms.MouseEventArgs e)

{

IndexChange(valueBox.SelectionStart/3);

}

private void valueBox_DoubleClick(object sender, System.EventArgs e)

{

SymbolChange();

}

}