| 1 |
+ |
/* |
| 2 |
+ |
* i-scream central monitoring system |
| 3 |
+ |
* http://www.i-scream.org.uk |
| 4 |
+ |
* Copyright (C) 2000-2002 i-scream |
| 5 |
+ |
* |
| 6 |
+ |
* This program is free software; you can redistribute it and/or |
| 7 |
+ |
* modify it under the terms of the GNU General Public License |
| 8 |
+ |
* as published by the Free Software Foundation; either version 2 |
| 9 |
+ |
* of the License, or (at your option) any later version. |
| 10 |
+ |
* |
| 11 |
+ |
* This program is distributed in the hope that it will be useful, |
| 12 |
+ |
* but WITHOUT ANY WARRANTY; without even the implied warranty of |
| 13 |
+ |
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the |
| 14 |
+ |
* GNU General Public License for more details. |
| 15 |
+ |
* |
| 16 |
+ |
* You should have received a copy of the GNU General Public License |
| 17 |
+ |
* along with this program; if not, write to the Free Software |
| 18 |
+ |
* Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA. |
| 19 |
+ |
*/ |
| 20 |
+ |
|
| 21 |
|
//---PACKAGE DECLARATION--- |
| 22 |
+ |
package uk.org.iscream.cms.conient.datacomponents; |
| 23 |
|
|
| 24 |
|
//---IMPORTS--- |
| 25 |
|
import javax.swing.JLabel; |
| 26 |
|
import java.awt.GridLayout; |
| 27 |
|
import java.util.Date; |
| 28 |
|
import java.text.DateFormat; |
| 29 |
+ |
import javax.swing.SwingUtilities; |
| 30 |
+ |
import uk.org.iscream.cms.util.XMLPacket; |
| 31 |
|
|
| 32 |
|
/** |
| 33 |
|
* This is DataComponent specifically for converting |
| 37 |
|
* extend StringDataComponent, intercepting the value |
| 38 |
|
* to convert it. |
| 39 |
|
* |
| 17 |
– |
* It uses the JProgressBar to display the value. |
| 18 |
– |
* |
| 40 |
|
* @author $Author$ |
| 41 |
|
* @version $Id$ |
| 42 |
|
*/ |
| 55 |
|
* that. |
| 56 |
|
* |
| 57 |
|
* @param name the friendly name |
| 58 |
+ |
* @param attribute the data attribute we look after |
| 59 |
|
*/ |
| 60 |
< |
public DateDataComponent(String name) { |
| 61 |
< |
super(name); |
| 60 |
> |
public DateDataComponent(String name, String attribute) { |
| 61 |
> |
super(name, attribute); |
| 62 |
|
} |
| 63 |
|
|
| 64 |
|
//---PUBLIC METHODS--- |
| 68 |
|
//---ACCESSOR/MUTATOR METHODS--- |
| 69 |
|
|
| 70 |
|
/** |
| 71 |
< |
* This takes the String value of the parameter that this component |
| 72 |
< |
* is monitoring direct from the packet, it then performs all |
| 73 |
< |
* approriate conversions and displays the data. |
| 71 |
> |
* This takes the packet to obtain the value from, it then performs all |
| 72 |
> |
* approriate conversions and adds this class to the Swing Event |
| 73 |
> |
* Dispatching queue. |
| 74 |
|
* |
| 75 |
|
* In this case all we do is change string and pass it to our |
| 76 |
< |
* super class for displaying. |
| 76 |
> |
* super class for displaying. Note that we need to *1000 |
| 77 |
> |
* as the data standard is for time in seconds, but java likes |
| 78 |
> |
* milliseconds. |
| 79 |
|
* |
| 80 |
< |
* @param value the value for this data component |
| 80 |
> |
* @param packet the XMLPacket to get the data from |
| 81 |
|
* @throws DataFormatException if there was a problem converting the data for display |
| 82 |
|
*/ |
| 83 |
< |
public void setValue(String value) throws DataFormatException { |
| 83 |
> |
public void setValue(XMLPacket packet) throws DataFormatException { |
| 84 |
> |
String value = packet.getParam(_attribute); |
| 85 |
|
try { |
| 86 |
< |
value = DateFormat.getDateTimeInstance(DateFormat.SHORT, DateFormat.MEDIUM).format(new Date(Long.parseLong(value))); |
| 87 |
< |
super.setValue(value); |
| 86 |
> |
if(!_ourCache.equals(value)) { |
| 87 |
> |
_ourCache = value; |
| 88 |
> |
_cache = DateFormat.getDateTimeInstance(DateFormat.SHORT, DateFormat.MEDIUM).format(new Date(Long.parseLong(value) * 1000)); |
| 89 |
> |
SwingUtilities.invokeLater(this); |
| 90 |
> |
} |
| 91 |
|
} catch (Exception e) { |
| 92 |
< |
throw new DataFormatException("invalid data type for component"); |
| 92 |
> |
throw new DataFormatException(value + " is an invalid data type for " + toString()); |
| 93 |
|
} |
| 94 |
|
} |
| 95 |
|
|
| 96 |
|
//---ATTRIBUTES--- |
| 97 |
+ |
|
| 98 |
+ |
/** |
| 99 |
+ |
* Remembers what the last value was, so we |
| 100 |
+ |
* only update if we have to. |
| 101 |
+ |
*/ |
| 102 |
+ |
String _ourCache = ""; |
| 103 |
|
|
| 104 |
|
//---STATIC ATTRIBUTES--- |
| 105 |
|
|
| 106 |
< |
} |
| 106 |
> |
} |
