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现在很多的javascript控件，非常的不错，其中step就是一个，如下图所示：
那么如何用C#来实现一个step控件呢? 先定义一个StepEntity类来存储步骤条节点的信息： 1 public class StepEntity
2 {
3 public string Id { get; set; }
4 public string StepName { get; set; }
5 public int StepOrder { get; set; }
6 public eumStepState StepState { get; set; }
7 public string StepDesc { get; set; }
8 public object StepTag { get; set; }
9 //public Image StepCompletedImage { get; set; }
10 //public Image StepDoingImage { get; set; }
11 public StepEntity(string id,string stepname,int steporder,string stepdesc, eumStepState stepstate,object tag)
12 {
13 this.Id = id;
14 this.StepName = stepname;
15 this.StepOrder = steporder;
16 this.StepDesc = stepdesc;
17 this.StepTag = tag;
18 this.StepState = stepstate;
19 }
20 }
定义一个名为StepViewer 的用户控件。 1 public partial class StepViewer : UserControl
2 {
3 public StepViewer()
4 {
5 InitializeComponent();
6 this.Height = 68;
7 }
8 }
在StepViewer 的用户控件中定义一个ListDataSource的属性，如下： 1 private List<StepEntity> _dataSourceList = null;
2 [Browsable(true), Category("StepViewer")]
3 public List<StepEntity> ListDataSource
4 {
5 get
6 {
7 return _dataSourceList;
8 }
9 set
10 {
11 if (_dataSourceList != value)
12 {
13 _dataSourceList = value;
14 Invalidate();
15 }
16 }
17 }
在此控件的paint方法中，进行步骤条的绘制： 1 private void StepViewer_Paint(object sender, PaintEventArgs e)
2 {
3 if(this.ListDataSource!=null)
4 {
5 int CenterY = this.Height / 2;
6 int index = 1;
7 int count = ListDataSource.Count;
8 int lineWidth = 120;
9 int StepNodeWH = 28;
10 //this.Width = 32 * count + lineWidth * (count - 1) + 6+300;
11 //defalut pen & brush
12 e.Graphics.SmoothingMode = System.Drawing.Drawing2D.SmoothingMode.HighQuality;
13 Brush brush = new SolidBrush(_Gray);
14 Pen p = new Pen(brush, 1f);
15 Brush brushNode = new SolidBrush(_DarkGray);
16 Pen penNode = new Pen(brushNode, 1f);
17
18 Brush brushNodeCompleted = new SolidBrush(_Blue);
19 Pen penNodeCompleted = new Pen(brushNodeCompleted, 1f);
20
21
22 int initX = 6;
23 //string
24 Font nFont = new Font("微软雅黑", 12);
25 Font stepFont = new Font("微软雅黑", 11,FontStyle.Bold);
26 int NodeNameWidth = 0;
27
28 foreach (var item in ListDataSource)
29 {
30
31 //round
32
33 Rectangle rec = new Rectangle(initX, CenterY - StepNodeWH / 2, StepNodeWH, StepNodeWH);
34 if (CurrentStep == item.StepOrder)
35 {
36 if (item.StepState == eumStepState.OutTime)
37 {
38 e.Graphics.DrawEllipse(new Pen(_Red,1f), rec);
39 e.Graphics.FillEllipse(new SolidBrush(_Red), rec);
40 }
41 else
42 {
43 e.Graphics.DrawEllipse(penNodeCompleted, rec);
44 e.Graphics.FillEllipse(brushNodeCompleted, rec);
45 }
46
47 //白色字体
48 SizeF fTitle = e.Graphics.MeasureString(index.ToString(), stepFont);
49 Point pTitle = new Point(initX + StepNodeWH / 2 - (int)Math.Round(fTitle.Width) / 2, CenterY - (int)Math.Round(fTitle.Height / 2));
50 e.Graphics.DrawString(index.ToString(), stepFont, Brushes.White, pTitle);
51
52
53 //nodeName
54 SizeF sNode = e.Graphics.MeasureString(item.StepName, nFont);
55 Point pNode = new Point(initX + StepNodeWH, CenterY - (int)Math.Round(sNode.Height / 2) + 2);
56
57 e.Graphics.DrawString(item.StepName,new Font( nFont,FontStyle.Bold), brushNode, pNode);
58 NodeNameWidth = (int)Math.Round(sNode.Width);
59 if (index < count)
60 {
61 e.Graphics.DrawLine(p, initX + StepNodeWH + NodeNameWidth, CenterY, initX + StepNodeWH + NodeNameWidth + lineWidth, CenterY);
62 }
63
64 }
65 else if (item.StepOrder < CurrentStep)
66 {
67 //completed
68 e.Graphics.DrawEllipse(penNodeCompleted, rec);
69 //image
70 RectangleF recRF = new RectangleF(rec.X + 6, rec.Y + 6, rec.Width - 12, rec.Height - 12);
71 e.Graphics.DrawImage(ControlsResource.check_lightblue, recRF);
72
73 //nodeName
74 SizeF sNode = e.Graphics.MeasureString(item.StepName, nFont);
75 Point pNode = new Point(initX + StepNodeWH, CenterY - (int)Math.Round(sNode.Height / 2) + 2);
76 e.Graphics.DrawString(item.StepName, nFont, brushNode, pNode);
77 NodeNameWidth = (int)Math.Round(sNode.Width);
78
79 if (index < count)
80 {
81 e.Graphics.DrawLine(penNodeCompleted, initX + StepNodeWH + NodeNameWidth, CenterY, initX + StepNodeWH + NodeNameWidth + lineWidth, CenterY);
82 }
83
84 }
85 else
86 {
87 e.Graphics.DrawEllipse(p, rec);
88 //
89 SizeF fTitle = e.Graphics.MeasureString(index.ToString(), stepFont);
90 Point pTitle = new Point(initX + StepNodeWH / 2 - (int)Math.Round(fTitle.Width) / 2, CenterY - (int)Math.Round(fTitle.Height / 2));
91 e.Graphics.DrawString(index.ToString(), stepFont, brush, pTitle);
92 //nodeName
93 SizeF sNode = e.Graphics.MeasureString(item.StepName, nFont);
94 Point pNode = new Point(initX + StepNodeWH, CenterY - (int)Math.Round(sNode.Height / 2) + 2);
95 e.Graphics.DrawString(item.StepName, nFont, brushNode, pNode);
96 NodeNameWidth = (int)Math.Round(sNode.Width);
97 if (index < count)
98 {
99 //line
100 e.Graphics.DrawLine(p, initX + StepNodeWH + NodeNameWidth, CenterY, initX + StepNodeWH + NodeNameWidth + lineWidth, CenterY);
101 }
102 }
103
104 //描述信息
105 if (item.StepDesc != "")
106 {
107 Point pNode = new Point(initX + StepNodeWH, CenterY+10);
108 e.Graphics.DrawString(item.StepDesc,new Font(nFont.FontFamily,10),brush, pNode);
109 }
110
111
112
113 index++;
114 //8 is space width
115 initX = initX + lineWidth + StepNodeWH+ NodeNameWidth+8;
116 }
117 }
118 }
控件的使用： 1 List<StepEntity> list = new List<StepEntity>();
2 list.Add(new StepEntity("1", "新开单", 1, "这里是该步骤的描述信息", eumStepState.Completed, null));
3
4 list.Add(new StepEntity("2", "主管审批", 2, "这里是该步骤的描述信息", eumStepState.Waiting, null));
5 list.Add(new StepEntity("3", "总经理审批", 3, "这里是该步骤的描述信息", eumStepState.OutTime, null));
6 list.Add(new StepEntity("2", "完成", 4, "这里是该步骤的描述信息", eumStepState.Waiting, null));
7
8 this.stepViewer1.CurrentStep = 3;
9 this.stepViewer1.ListDataSource = list;
同样的，我们可以实现如下的timeline控件。
http://www.cnblogs.com/isaboy/
现在很多的javascript控件，非常的不错，其中step就是一个，如下图所示：
那么如何用C#来实现一个step控件呢? 先定义一个StepEntity类来存储步骤条节点的信息： 1 public class StepEntity
2 {
3 public string Id { get; set; }
4 public string StepName { get; set; }
5 public int StepOrder { get; set; }
6 public eumStepState StepState { get; set; }
7 public string StepDesc { get; set; }
8 public object StepTag { get; set; }
9 //public Image StepCompletedImage { get; set; }
10 //public Image StepDoingImage { get; set; }
11 public StepEntity(string id,string stepname,int steporder,string stepdesc, eumStepState stepstate,object tag)
12 {
13 this.Id = id;
14 this.StepName = stepname;
15 this.StepOrder = steporder;
16 this.StepDesc = stepdesc;
17 this.StepTag = tag;
18 this.StepState = stepstate;
19 }
20 }
定义一个名为StepViewer 的用户控件。 1 public partial class StepViewer : UserControl
2 {
3 public StepViewer()
4 {
5 InitializeComponent();
6 this.Height = 68;
7 }
8 }
在StepViewer 的用户控件中定义一个ListDataSource的属性，如下： 1 private List<StepEntity> _dataSourceList = null;
2 [Browsable(true), Category("StepViewer")]
3 public List<StepEntity> ListDataSource
4 {
5 get
6 {
7 return _dataSourceList;
8 }
9 set
10 {
11 if (_dataSourceList != value)
12 {
13 _dataSourceList = value;
14 Invalidate();
15 }
16 }
17 }
在此控件的paint方法中，进行步骤条的绘制： 1 private void StepViewer_Paint(object sender, PaintEventArgs e)
2 {
3 if(this.ListDataSource!=null)
4 {
5 int CenterY = this.Height / 2;
6 int index = 1;
7 int count = ListDataSource.Count;
8 int lineWidth = 120;
9 int StepNodeWH = 28;
10 //this.Width = 32 * count + lineWidth * (count - 1) + 6+300;
11 //defalut pen & brush
12 e.Graphics.SmoothingMode = System.Drawing.Drawing2D.SmoothingMode.HighQuality;
13 Brush brush = new SolidBrush(_Gray);
14 Pen p = new Pen(brush, 1f);
15 Brush brushNode = new SolidBrush(_DarkGray);
16 Pen penNode = new Pen(brushNode, 1f);
17
18 Brush brushNodeCompleted = new SolidBrush(_Blue);
19 Pen penNodeCompleted = new Pen(brushNodeCompleted, 1f);
20
21
22 int initX = 6;
23 //string
24 Font nFont = new Font("微软雅黑", 12);
25 Font stepFont = new Font("微软雅黑", 11,FontStyle.Bold);
26 int NodeNameWidth = 0;
27
28 foreach (var item in ListDataSource)
29 {
30
31 //round
32
33 Rectangle rec = new Rectangle(initX, CenterY - StepNodeWH / 2, StepNodeWH, StepNodeWH);
34 if (CurrentStep == item.StepOrder)
35 {
36 if (item.StepState == eumStepState.OutTime)
37 {
38 e.Graphics.DrawEllipse(new Pen(_Red,1f), rec);
39 e.Graphics.FillEllipse(new SolidBrush(_Red), rec);
40 }
41 else
42 {
43 e.Graphics.DrawEllipse(penNodeCompleted, rec);
44 e.Graphics.FillEllipse(brushNodeCompleted, rec);
45 }
46
47 //白色字体
48 SizeF fTitle = e.Graphics.MeasureString(index.ToString(), stepFont);
49 Point pTitle = new Point(initX + StepNodeWH / 2 - (int)Math.Round(fTitle.Width) / 2, CenterY - (int)Math.Round(fTitle.Height / 2));
50 e.Graphics.DrawString(index.ToString(), stepFont, Brushes.White, pTitle);
51
52
53 //nodeName
54 SizeF sNode = e.Graphics.MeasureString(item.StepName, nFont);
55 Point pNode = new Point(initX + StepNodeWH, CenterY - (int)Math.Round(sNode.Height / 2) + 2);
56
57 e.Graphics.DrawString(item.StepName,new Font( nFont,FontStyle.Bold), brushNode, pNode);
58 NodeNameWidth = (int)Math.Round(sNode.Width);
59 if (index < count)
60 {
61 e.Graphics.DrawLine(p, initX + StepNodeWH + NodeNameWidth, CenterY, initX + StepNodeWH + NodeNameWidth + lineWidth, CenterY);
62 }
63
64 }
65 else if (item.StepOrder < CurrentStep)
66 {
67 //completed
68 e.Graphics.DrawEllipse(penNodeCompleted, rec);
69 //image
70 RectangleF recRF = new RectangleF(rec.X + 6, rec.Y + 6, rec.Width - 12, rec.Height - 12);
71 e.Graphics.DrawImage(ControlsResource.check_lightblue, recRF);
72
73 //nodeName
74 SizeF sNode = e.Graphics.MeasureString(item.StepName, nFont);
75 Point pNode = new Point(initX + StepNodeWH, CenterY - (int)Math.Round(sNode.Height / 2) + 2);
76 e.Graphics.DrawString(item.StepName, nFont, brushNode, pNode);
77 NodeNameWidth = (int)Math.Round(sNode.Width);
78
79 if (index < count)
80 {
81 e.Graphics.DrawLine(penNodeCompleted, initX + StepNodeWH + NodeNameWidth, CenterY, initX + StepNodeWH + NodeNameWidth + lineWidth, CenterY);
82 }
83
84 }
85 else
86 {
87 e.Graphics.DrawEllipse(p, rec);
88 //
89 SizeF fTitle = e.Graphics.MeasureString(index.ToString(), stepFont);
90 Point pTitle = new Point(initX + StepNodeWH / 2 - (int)Math.Round(fTitle.Width) / 2, CenterY - (int)Math.Round(fTitle.Height / 2));
91 e.Graphics.DrawString(index.ToString(), stepFont, brush, pTitle);
92 //nodeName
93 SizeF sNode = e.Graphics.MeasureString(item.StepName, nFont);
94 Point pNode = new Point(initX + StepNodeWH, CenterY - (int)Math.Round(sNode.Height / 2) + 2);
95 e.Graphics.DrawString(item.StepName, nFont, brushNode, pNode);
96 NodeNameWidth = (int)Math.Round(sNode.Width);
97 if (index < count)
98 {
99 //line
100 e.Graphics.DrawLine(p, initX + StepNodeWH + NodeNameWidth, CenterY, initX + StepNodeWH + NodeNameWidth + lineWidth, CenterY);
101 }
102 }
103
104 //描述信息
105 if (item.StepDesc != "")
106 {
107 Point pNode = new Point(initX + StepNodeWH, CenterY+10);
108 e.Graphics.DrawString(item.StepDesc,new Font(nFont.FontFamily,10),brush, pNode);
109 }
110
111
112
113 index++;
114 //8 is space width
115 initX = initX + lineWidth + StepNodeWH+ NodeNameWidth+8;
116 }
117 }
118 }
控件的使用： 1 List<StepEntity> list = new List<StepEntity>();
2 list.Add(new StepEntity("1", "新开单", 1, "这里是该步骤的描述信息", eumStepState.Completed, null));
3
4 list.Add(new StepEntity("2", "主管审批", 2, "这里是该步骤的描述信息", eumStepState.Waiting, null));
5 list.Add(new StepEntity("3", "总经理审批", 3, "这里是该步骤的描述信息", eumStepState.OutTime, null));
6 list.Add(new StepEntity("2", "完成", 4, "这里是该步骤的描述信息", eumStepState.Waiting, null));
7
8 this.stepViewer1.CurrentStep = 3;
9 this.stepViewer1.ListDataSource = list;
同样的，我们可以实现如下的timeline控件。
|
2023-10-27
2022-08-15
2022-08-17
2022-09-23
2022-08-13
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