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
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
|
// 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.
//
// Copyright (c) 2004-2005 Novell, Inc.
//
// Authors:
// Peter Bartok pbartok@novell.com
// Jackson Harper jackson@ximian.com
//
// NOT COMPLETE
using System.ComponentModel;
using System.Collections;
namespace System.Windows.Forms {
public abstract class BindingManagerBase {
private BindingsCollection bindings;
private bool pulling_data;
private static int count = 0;
private int id = count++;
#region Public Constructors
public BindingManagerBase() {
}
#endregion // Public Constructors
#region Protected Instance Fields
protected EventHandler onCurrentChangedHandler;
protected EventHandler onPositionChangedHandler;
#endregion // Protected Instance Fields
#region Public Instance Properties
public BindingsCollection Bindings {
get {
if (bindings == null) {
bindings = new BindingsCollection ();
}
return bindings;
}
}
public abstract int Count {
get;
}
public abstract object Current {
get;
}
public abstract int Position {
get; set;
}
#endregion // Public Instance Properties
#region Public Instance Methods
public abstract void AddNew();
public abstract void CancelCurrentEdit();
public abstract void EndCurrentEdit();
public abstract PropertyDescriptorCollection GetItemProperties();
public abstract void RemoveAt(int index);
public abstract void ResumeBinding();
public abstract void SuspendBinding();
#endregion // Public Instance Methods
internal abstract bool IsSuspended {
get;
}
#region Protected Instance Methods
[MonoTODO]
protected internal virtual PropertyDescriptorCollection GetItemProperties(System.Collections.ArrayList dataSources, System.Collections.ArrayList listAccessors) {
throw new NotImplementedException();
}
[MonoTODO]
protected virtual PropertyDescriptorCollection GetItemProperties(Type lisType, int offset, System.Collections.ArrayList dataSources, System.Collections.ArrayList listAccessors) {
throw new NotImplementedException();
}
protected internal abstract string GetListName (System.Collections.ArrayList listAccessors);
protected internal abstract void OnCurrentChanged (EventArgs e);
protected void PullData()
{
pulling_data = true;
try {
UpdateIsBinding ();
foreach (Binding binding in Bindings)
binding.PullData ();
} finally {
pulling_data = false;
}
}
protected void PushData()
{
if (pulling_data)
return;
UpdateIsBinding ();
foreach (Binding binding in Bindings)
binding.PushData ();
}
protected abstract void UpdateIsBinding();
#endregion // Protected Instance Methods
internal void AddBinding (Binding binding)
{
if (Bindings.Contains (binding))
return;
Bindings.Add (binding);
}
#region Events
public event EventHandler CurrentChanged {
add { onCurrentChangedHandler += value; }
remove { onCurrentChangedHandler -= value; }
}
public event EventHandler PositionChanged {
add { onPositionChangedHandler += value; }
remove { onPositionChangedHandler -= value; }
}
#endregion // Events
}
}
|
