1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
|
namespace System.Workflow.Activities
{
using System;
using System.Diagnostics;
using System.Text;
using System.Reflection;
using System.Collections;
using System.CodeDom;
using System.ComponentModel;
using System.ComponentModel.Design;
using System.Drawing;
using System.Drawing.Drawing2D;
using System.Workflow.ComponentModel;
using System.Workflow.ComponentModel.Design;
using System.Collections.ObjectModel;
using System.Runtime.Serialization;
#region Class WhileDesigner
[ActivityDesignerTheme(typeof(WhileDesignerTheme))]
internal sealed class WhileDesigner : SequentialActivityDesigner
{
#region Properties and Methods
protected override void Initialize(Activity activity)
{
base.Initialize(activity);
HelpText = DR.GetString(DR.DropActivityHere);
}
protected override void OnPaint(ActivityDesignerPaintEventArgs e)
{
base.OnPaint(e);
if (Expanded)
{
CompositeDesignerTheme compositeDesignerTheme = e.DesignerTheme as CompositeDesignerTheme;
Debug.Assert(compositeDesignerTheme != null);
if (compositeDesignerTheme == null)
return;
Rectangle bounds = Bounds;
Rectangle textRectangle = TextRectangle;
Rectangle imageRectangle = ImageRectangle;
Point connectionPoint = Point.Empty;
if (!imageRectangle.IsEmpty)
connectionPoint = new Point(imageRectangle.Right + e.AmbientTheme.Margin.Width / 2, imageRectangle.Top + imageRectangle.Height / 2);
else if (!textRectangle.IsEmpty)
connectionPoint = new Point(textRectangle.Right + e.AmbientTheme.Margin.Width / 2, textRectangle.Top + textRectangle.Height / 2);
else
connectionPoint = new Point(bounds.Left + bounds.Width / 2 + e.AmbientTheme.Margin.Width / 2, bounds.Top + e.AmbientTheme.Margin.Height / 2);
Point[] points = new Point[4];
points[0].X = bounds.Left + bounds.Width / 2;
points[0].Y = bounds.Bottom - compositeDesignerTheme.ConnectorSize.Height / 3;
points[1].X = bounds.Right - compositeDesignerTheme.ConnectorSize.Width / 3;
points[1].Y = bounds.Bottom - compositeDesignerTheme.ConnectorSize.Height / 3;
points[2].X = bounds.Right - compositeDesignerTheme.ConnectorSize.Width / 3;
points[2].Y = connectionPoint.Y;
points[3].X = connectionPoint.X;
points[3].Y = connectionPoint.Y;
DrawConnectors(e.Graphics, compositeDesignerTheme.ForegroundPen, points, LineAnchor.None, LineAnchor.ArrowAnchor);
DrawConnectors(e.Graphics, compositeDesignerTheme.ForegroundPen, new Point[] { points[0], new Point(bounds.Left + bounds.Width / 2, bounds.Bottom) }, LineAnchor.None, LineAnchor.None);
}
}
protected override Rectangle[] GetConnectors()
{
Rectangle[] connectors = base.GetConnectors();
CompositeDesignerTheme designerTheme = DesignerTheme as CompositeDesignerTheme;
Debug.Assert(designerTheme != null);
if (Expanded && connectors.GetLength(0) > 0)
connectors[connectors.GetLength(0) - 1].Height = connectors[connectors.GetLength(0) - 1].Height - (((designerTheme != null) ? designerTheme.ConnectorSize.Height : 0) / 3);
return connectors;
}
protected override Size OnLayoutSize(ActivityDesignerLayoutEventArgs e)
{
Size containerSize = base.OnLayoutSize(e);
CompositeDesignerTheme compositeDesignerTheme = e.DesignerTheme as CompositeDesignerTheme;
if (compositeDesignerTheme != null && Expanded)
{
containerSize.Width += 2 * compositeDesignerTheme.ConnectorSize.Width;
containerSize.Height += compositeDesignerTheme.ConnectorSize.Height;
}
return containerSize;
}
public override bool CanInsertActivities(HitTestInfo insertLocation, ReadOnlyCollection<Activity> activitiesToInsert)
{
//we only allow one activity to be inserted
if (this == ActiveView.AssociatedDesigner && ContainedDesigners.Count > 0)
return false;
return base.CanInsertActivities(insertLocation, activitiesToInsert);
}
#endregion
}
#endregion
#region WhileDesignerTheme
internal sealed class WhileDesignerTheme : CompositeDesignerTheme
{
public WhileDesignerTheme(WorkflowTheme theme)
: base(theme)
{
this.ShowDropShadow = false;
this.ConnectorStartCap = LineAnchor.None;
this.ConnectorEndCap = LineAnchor.ArrowAnchor;
this.ForeColor = Color.FromArgb(0xFF, 0x52, 0x8A, 0xF7);
this.BorderColor = Color.FromArgb(0xFF, 0xE0, 0xE0, 0xE0);
this.BorderStyle = DashStyle.Dash;
this.BackColorStart = Color.FromArgb(0x00, 0x00, 0x00, 0x00);
this.BackColorEnd = Color.FromArgb(0x00, 0x00, 0x00, 0x00);
}
}
#endregion
}
|
