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
|
/* Clipboard.java -- Class for transferring data via cut and paste.
Copyright (C) 1999, 2001 Free Software Foundation, Inc.
This file is part of the non-peer AWT libraries of GNU Classpath.
This library is free software; you can redistribute it and/or modify
it under the terms of the GNU Library General Public License as published
by the Free Software Foundation, either version 2 of the License, or
(at your option) any later verion.
This library is distributed in the hope that it will be useful, but
WITHOUT ANY WARRANTY; without even the implied warranty of
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
GNU Library General Public License for more details.
You should have received a copy of the GNU Library General Public License
along with this library; if not, write to the Free Software Foundation
Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307 USA. */
package java.awt.datatransfer;
/**
* This class allows data to be transferred using a cut and paste type
* mechanism.
*
* @author Aaron M. Renn (arenn@urbanophile.com)
*/
public class Clipboard
{
/*
* Instance Variables
*/
/**
* The data being transferred.
*/
protected Transferable contents;
/**
* The owner of this clipboard.
*/
protected ClipboardOwner owner;
// The clipboard name
private String name;
/*************************************************************************/
/*
* Constructors
*/
/**
* Initializes a new instance of <code>Clipboard</code> with the
* specified name.
*
* @param name The clipboard name.
*/
public
Clipboard(String name)
{
this.name = name;
}
/*************************************************************************/
/*
* Instance Methods
*/
/**
* Returns the name of the clipboard.
*/
public String
getName()
{
return(name);
}
/*************************************************************************/
/**
* Returns the contents of the clipboard.
*
* @param requestor The object requesting the contents.
*/
public synchronized Transferable
getContents(Object requestor)
{
return(contents);
}
/*************************************************************************/
/**
* Sets the content and owner of this clipboard.
* If the given owner is different from the current owner
* then lostOwnership is called on the current owner.
* XXX - is this called with the old or new contents.
*
* @param contents The new clipboard contents.
* @param owner The new clipboard owner
*/
public synchronized void
setContents(Transferable contents, ClipboardOwner owner)
{
if (this.owner != owner)
if (this.owner != null)
this.owner.lostOwnership(this, contents);
this.owner = owner;
this.contents = contents;
}
} // class Clipboard
|
