/**
* Copyright (C) 2009-2014 Cars and Tracks Development Project (CTDP).
*
* This program is free software; you can redistribute it and/or
* modify it under the terms of the GNU General Public License
* as published by the Free Software Foundation; either version 2
* of the License, or (at your option) any later version.
*
* This program 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 General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with this program; if not, write to the Free Software
* Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.
*/
package net.ctdp.rfdynhud.properties;
import net.ctdp.rfdynhud.util.NumberUtil;
/**
* The {@link TimeProperty} serves for customizing a time value.
*
* @author Marvin Froehlich (CTDP)
*/
public class TimeProperty extends Property
{
private static final long ONE_SECOND = 1000000000L;
private final long defaultValue;
private long value;
/**
* {@inheritDoc}
*/
@Override
public Long getDefaultValue()
{
return ( defaultValue );
}
/**
* {@inheritDoc}
*/
@Override
protected void onKeeperSet()
{
super.onKeeperSet();
onValueChanged( null, getNanoValue() );
}
/**
* Invoked when the value has changed.
*
* @param oldValue the old value
* @param newValue the new value
*/
protected void onValueChanged( Long oldValue, long newValue )
{
}
/**
*
* @param nanos
*/
void onValueSet( long nanos )
{
}
/**
* Sets the property's value.
*
* @param nanos the time in nano seconds
* @param firstTime
*
* @return changed?
*/
protected final boolean setNanoValue( long nanos, boolean firstTime )
{
if ( nanos == this.value )
return ( false );
Long oldValue = firstTime ? null : this.value;
this.value = nanos;
onValueSet( this.value );
if ( !firstTime )
{
triggerKeepersOnPropertyChanged( oldValue, value );
onValueChanged( oldValue, value );
}
return ( true );
}
/**
* Sets the property's value.
*
* @param nanos the time in nano seconds
*
* @return changed?
*/
public final boolean setNanoValue( long nanos )
{
return ( setNanoValue( nanos, false ) );
}
/**
* Gets the current value as nano seconds.
*
* @return the current value as nano seconds.
*/
public final long getNanoValue()
{
return ( value );
}
private static long parseTimeValue( String time )
{
if ( time != null )
time = time.trim();
if ( ( time == null ) || ( time.length() == 0 ) )
return ( 0L );
long nanos = 0L;
int p0 = time.lastIndexOf( ':' );
if ( p0 == -1 )
{
// seconds
nanos = Long.parseLong( time ) * ONE_SECOND;
}
else
{
if ( p0 == time.length() - 1 )
// seconds
nanos = 0L;
else
// seconds
nanos = Long.parseLong( time.substring( p0 + 1 ) ) * ONE_SECOND;
if ( p0 > 0 )
{
int p1 = p0;
p0 = time.lastIndexOf( ':', p1 - 1 );
if ( p0 < 0 )
{
// minutes
nanos += Long.parseLong( time.substring( 0, p1 ) ) * ONE_SECOND * 60L;
}
else
{
// minutes
nanos += Long.parseLong( time.substring( p0 + 1, p1 ) ) * ONE_SECOND * 60L;
// hours
nanos += Long.parseLong( time.substring( 0, p0 ) ) * ONE_SECOND * 3600L;
}
}
}
return ( nanos );
}
/**
* Sets the property's value.
*
* @param time the new value in the format "00:00:00".
*
* @return changed?
*/
public final boolean setTimeValue( String time )
{
return ( setNanoValue( parseTimeValue( time ), false ) );
}
/**
* Gets the current value as a time string.
*
* @return the current value as a time string.
*/
public final String getTimeValue()
{
long seconds = ( value / ONE_SECOND ) % 60L;
String time = NumberUtil.pad2( (int)seconds );
long rest = value - ( seconds * ONE_SECOND );
//if ( rest > 0L )
{
time = ":" + time;
long minutes = ( rest / ( ONE_SECOND * 60L ) ) % 60L;
time = NumberUtil.pad2( (int)minutes ) + time;
rest -= minutes * 60L * ONE_SECOND;
//if ( rest > 0L )
{
time = ":" + time;
long hours = rest / ( ONE_SECOND * 3600L );
time = NumberUtil.pad2( (int)hours ) + time;
}
}
return ( time );
}
/**
* {@inheritDoc}
*/
@Override
public void setValue( Object value )
{
setTimeValue( String.valueOf( value ) );
}
/**
* {@inheritDoc}
*/
@Override
public String getValue()
{
return ( getTimeValue() );
}
/**
* {@inheritDoc}
*/
@Override
public void loadValue( PropertyLoader loader, String value )
{
setValue( value );
}
/**
*
* @param name the technical name used internally. See {@link #getName()}.
* @param nameForDisplay the name displayed in the editor. See {@link #getNameForDisplay()}. If <code>null</code> is passed, the value of the name parameter is used.
* @param defaultValue the default value
* @param readonly read only property?
*/
public TimeProperty( String name, String nameForDisplay, String defaultValue, boolean readonly )
{
super( name, nameForDisplay, readonly, PropertyEditorType.TIME, null, null );
long time = parseTimeValue( defaultValue );
this.defaultValue = time;
setNanoValue( time, true );
}
/**
*
* @param name the technical name used internally. See {@link #getName()}.
* @param nameForDisplay the name displayed in the editor. See {@link #getNameForDisplay()}. If <code>null</code> is passed, the value of the name parameter is used.
* @param defaultValue the default value
*/
public TimeProperty( String name, String nameForDisplay, String defaultValue )
{
this( name, nameForDisplay, defaultValue, false );
}
/**
*
* @param name the technical name used internally. See {@link #getName()}. 'nameForDisplay' is set to the same value.
* @param defaultValue the default value
* @param readonly read only property?
*/
public TimeProperty( String name, String defaultValue, boolean readonly )
{
this( name, null, defaultValue, readonly );
}
/**
*
* @param name the technical name used internally. See {@link #getName()}. 'nameForDisplay' is set to the same value.
* @param defaultValue the default value
*/
public TimeProperty( String name, String defaultValue )
{
this( name, defaultValue, false );
}
}