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
|
//
// System.ComponentModel.Design.ReferenceService
//
// Authors:
// Ivan N. Zlatev (contact i-nZ.net)
//
// (C) 2007 Ivan N. Zlatev
//
// Permission is hereby granted, free of charge, to any person obtaining
// a copy of this software and associated documentation files (the
// "Software"), to deal in the Software without restriction, including
// without limitation the rights to use, copy, modify, merge, publish,
// distribute, sublicense, and/or sell copies of the Software, and to
// permit persons to whom the Software is furnished to do so, subject to
// the following conditions:
//
// The above copyright notice and this permission notice shall be
// included in all copies or substantial portions of the Software.
//
// THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
// EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
// MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND
// NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE
// LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION
// OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION
// WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
//
using System;
using System.Collections.Generic;
using System.Globalization;
using System.ComponentModel;
namespace System.ComponentModel.Design
{
internal class ReferenceService : IReferenceService, IDisposable
{
private List<IComponent> _references;
internal ReferenceService (IServiceProvider provider)
{
if (provider == null)
throw new ArgumentNullException ("provider");
_references = new List<IComponent>();
IComponentChangeService serv = provider.GetService (typeof (IComponentChangeService)) as IComponentChangeService;
if (serv != null) {
serv.ComponentAdded += OnComponentAdded;
serv.ComponentRemoved += OnComponentRemoved;
}
}
private void OnComponentAdded (object sender, ComponentEventArgs args)
{
_references.Add (args.Component);
}
private void OnComponentRemoved (object sender, ComponentEventArgs args)
{
_references.Remove (args.Component);
}
public IComponent GetComponent (object reference)
{
return reference as IComponent;
}
public string GetName (object reference)
{
IComponent comp = reference as IComponent;
if (comp != null && comp.Site != null)
return comp.Site.Name;
return null;
}
public object GetReference (string name)
{
foreach (IComponent component in _references)
if (component.Site != null && component.Site.Name == name)
return component;
return null;
}
public object[] GetReferences ()
{
IComponent[] references = new IComponent[_references.Count];
_references.CopyTo (references);
return references;
}
public object[] GetReferences (Type baseType)
{
List<IComponent> references = new List<IComponent>();
foreach (IComponent component in _references)
if (baseType.IsAssignableFrom ((component.GetType ())))
references.Add (component);
IComponent[] refArray = new IComponent[references.Count];
references.CopyTo (refArray);
return refArray;
}
public void Dispose ()
{
_references.Clear ();
}
}
}
|
