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Java > Open Source Codes > org > gjt > sp > util > WorkRequest


1 /*
2  * WorkRequest.java - Runnable subclass
3  * :tabSize=8:indentSize=8:noTabs=false:
4  * :folding=explicit:collapseFolds=1:
5  *
6  * Copyright (C) 2000 Slava Pestov
7  *
8  * This program is free software; you can redistribute it and/or
9  * modify it under the terms of the GNU General Public License
10  * as published by the Free Software Foundation; either version 2
11  * of the License, or any later version.
12  *
13  * This program is distributed in the hope that it will be useful,
14  * but WITHOUT ANY WARRANTY; without even the implied warranty of
15  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
16  * GNU General Public License for more details.
17  *
18  * You should have received a copy of the GNU General Public License
19  * along with this program; if not, write to the Free Software
20  * Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.
21  */
22
23 package org.gjt.sp.util;
24
25 /**
26  * A subclass of the Runnable interface.
27  * @since jEdit 2.6pre1
28  * @version $Id: WorkRequest.java 5234 2005-07-27 21:44:10Z kpouer $
29  */
30 public abstract class WorkRequest implements Runnable JavaDoc, ProgressObserver
31 {
32     /**
33      * If the max value is greater that <code>Integer.MAX_VALUE</code> this
34      * will be true and all values will be divided by 1024.
35      * @since jEdit 4.3pre3
36      */
37     private boolean largeValues;
38
39     /**
40      * Sets if the request can be aborted.
41      */
42     public void setAbortable(boolean abortable)
43     {
44         Thread JavaDoc thread = Thread.currentThread();
45         if(thread instanceof WorkThread)
46             ((WorkThread)thread).setAbortable(abortable);
47     }
48
49     /**
50      * Sets the status text.
51      * @param status The status text
52      */
53     public void setStatus(String JavaDoc status)
54     {
55         Thread JavaDoc thread = Thread.currentThread();
56         if(thread instanceof WorkThread)
57             ((WorkThread)thread).setStatus(status);
58     }
59
60     /**
61      * Sets the progress value.
62      * @param value The progress value.
63      * @deprecated use {@link #setValue(long)}
64      */
65     public void setProgressValue(int value)
66     {
67         Thread JavaDoc thread = Thread.currentThread();
68         if(thread instanceof WorkThread)
69             ((WorkThread)thread).setProgressValue(value);
70     }
71
72     /**
73      * Sets the maximum progress value.
74      * @param value The progress value.
75      * @deprecated use {@link #setMaximum(long)}
76      */
77     public void setProgressMaximum(int value)
78     {
79         Thread JavaDoc thread = Thread.currentThread();
80         if(thread instanceof WorkThread)
81             ((WorkThread)thread).setProgressMaximum(value);
82     }
83
84     //{{{ setValue() method
85 /**
86      * Update the progress value.
87      *
88      * @param value the new value
89      * @since jEdit 4.3pre3
90      */
91     public void setValue(long value)
92     {
93         Thread JavaDoc thread = Thread.currentThread();
94         if(thread instanceof WorkThread)
95         {
96             if (largeValues)
97             {
98                 ((WorkThread)thread).setProgressValue((int) (value >> 10));
99             }
100             else
101             {
102                 ((WorkThread)thread).setProgressValue((int) value);
103             }
104         }
105     } //}}}
106
107     //{{{ setValue() method
108 /**
109      * Update the maximum value.
110      *
111      * @param value the new maximum value
112      * @since jEdit 4.3pre3
113      */
114     public void setMaximum(long value)
115     {
116         Thread JavaDoc thread = Thread.currentThread();
117         if(thread instanceof WorkThread)
118         {
119             if (value > Integer.MAX_VALUE)
120             {
121                 largeValues = true;
122                 ((WorkThread)thread).setProgressMaximum((int) (value >> 10));
123             }
124             else
125             {
126                 largeValues = false;
127                 ((WorkThread)thread).setProgressMaximum((int) value);
128             }
129         }
130     } //}}}
131 }
132
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