libyui  3.0.10
/usr/src/RPM/BUILD/libyui-3.0.10/src/YProgressBar.cc
00001 /*
00002   Copyright (C) 2000-2012 Novell, Inc
00003   This library is free software; you can redistribute it and/or modify
00004   it under the terms of the GNU Lesser General Public License as
00005   published by the Free Software Foundation; either version 2.1 of the
00006   License, or (at your option) version 3.0 of the License. This library
00007   is distributed in the hope that it will be useful, but WITHOUT ANY
00008   WARRANTY; without even the implied warranty of MERCHANTABILITY or 
00009   FITNESS FOR A PARTICULAR PURPOSE. See the GNU Lesser General Public
00010   License for more details. You should have received a copy of the GNU
00011   Lesser General Public License along with this library; if not, write
00012   to the Free Software Foundation, Inc., 51 Franklin Street, Fifth
00013   Floor, Boston, MA 02110-1301 USA
00014 */
00015 
00016 
00017 /*-/
00018 
00019   File:         YProgressBar.cc
00020 
00021   Author:       Stefan Hundhammer <sh@suse.de>
00022 
00023 /-*/
00024 
00025 
00026 #define YUILogComponent "ui"
00027 #include "YUILog.h"
00028 
00029 #include "YUISymbols.h"
00030 #include "YProgressBar.h"
00031 
00032 struct YProgressBarPrivate
00033 {
00034     YProgressBarPrivate( const std::string &    label,
00035                          int                    maxValue )
00036         : label( label )
00037         , maxValue( maxValue )
00038         , value( 0 )
00039         {
00040             if ( maxValue < 1 )
00041                 maxValue = 1;
00042         }
00043 
00044     std::string label;
00045     int         maxValue;
00046     int         value;
00047 };
00048 
00049 
00050 
00051 
00052 YProgressBar::YProgressBar( YWidget *           parent,
00053                             const std::string & label,
00054                             int                 maxValue )
00055     : YWidget( parent )
00056     , priv( new YProgressBarPrivate( label, maxValue ) )
00057 {
00058     YUI_CHECK_NEW( priv );
00059 
00060     setDefaultStretchable( YD_HORIZ, true );
00061     setStretchable( YD_VERT, false );
00062 }
00063 
00064 
00065 YProgressBar::~YProgressBar()
00066 {
00067     // NOP
00068 }
00069 
00070 
00071 std::string YProgressBar::label()
00072 {
00073     return priv->label;
00074 }
00075 
00076 
00077 void YProgressBar::setLabel( const std::string & label )
00078 {
00079     priv->label = label;
00080 }
00081 
00082 
00083 int YProgressBar::maxValue() const
00084 {
00085     return priv->maxValue;
00086 }
00087 
00088 
00089 int YProgressBar::value() const
00090 {
00091     return priv->value;
00092 }
00093 
00094 
00095 void YProgressBar::setValue( int newValue )
00096 {
00097     if ( newValue < 0 )
00098         newValue = 0;
00099 
00100     if ( newValue > priv->maxValue )
00101         newValue = priv->maxValue;
00102 
00103     priv->value = newValue;
00104 }
00105 
00106 
00107 const YPropertySet &
00108 YProgressBar::propertySet()
00109 {
00110     static YPropertySet propSet;
00111 
00112     if ( propSet.isEmpty() )
00113     {
00114         /*
00115          * @property integer            Value   the current progress
00116          * @property std::string        Label   caption above the progress bar
00117          */
00118         propSet.add( YProperty( YUIProperty_Value,              YIntegerProperty ) );
00119         propSet.add( YProperty( YUIProperty_Label,              YStringProperty  ) );
00120         propSet.add( YWidget::propertySet() );
00121     }
00122 
00123     return propSet;
00124 }
00125 
00126 
00127 bool
00128 YProgressBar::setProperty( const std::string & propertyName, const YPropertyValue & val )
00129 {
00130     propertySet().check( propertyName, val.type() ); // throws exceptions if not found or type mismatch
00131 
00132     if      ( propertyName == YUIProperty_Value         )       setValue( val.integerVal() );
00133     else if ( propertyName == YUIProperty_Label         )       setLabel( val.stringVal() );
00134     else
00135     {
00136         return YWidget::setProperty( propertyName, val );
00137     }
00138 
00139     return true; // success -- no special processing necessary
00140 }
00141 
00142 
00143 YPropertyValue
00144 YProgressBar::getProperty( const std::string & propertyName )
00145 {
00146     propertySet().check( propertyName ); // throws exceptions if not found
00147 
00148     if      ( propertyName == YUIProperty_Value         )       return YPropertyValue( value() );
00149     else if ( propertyName == YUIProperty_Label         )       return YPropertyValue( label() );
00150     else
00151     {
00152         return YWidget::getProperty( propertyName );
00153     }
00154 }
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