YLabel.cc

/*
  Copyright (C) 2000-2012 Novell, Inc
  This library is free software; you can redistribute it and/or modify
  it under the terms of the GNU Lesser General Public License as
  published by the Free Software Foundation; either version 2.1 of the
  License, or (at your option) version 3.0 of the License. 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 Lesser General Public
  License for more details. You should have received a copy of the GNU
  Lesser General Public License along with this library; if not, write
  to the Free Software Foundation, Inc., 51 Franklin Street, Fifth
  Floor, Boston, MA 02110-1301 USA
*/
 
 
/*-/
 
  File:         YLabel.cc
 
  Author:       Stefan Hundhammer <sh@suse.de>
 
/-*/
 
#define MAX_DEBUG_LABEL_LEN     32
 
 
#define YUILogComponent "ui"
#include "YUILog.h"
 
#include "YUISymbols.h"
#include "YLabel.h"
 
using std::string;
 
 
struct YLabelPrivate
{
    /**
     * Constructor
     **/
    YLabelPrivate( const string &       text,
                   bool                 isHeading,
                   bool                 isOutputField )
        : text( text )
        , isHeading( isHeading )
        , isOutputField( isOutputField )
        , useBoldFont( false )
        {}
 
    string      text;
    bool        isHeading;
    bool        isOutputField;
    bool        useBoldFont;
};
 
 
YLabel::YLabel( YWidget *               parent,
                const string &  text,
                bool                    isHeading,
                bool                    isOutputField )
    : YWidget( parent )
    , priv( new YLabelPrivate( text, isHeading, isOutputField ) )
{
    YUI_CHECK_NEW( priv );
}
 
 
YLabel::~YLabel()
{
    // NOP
}
 
 
string YLabel::text() const
{
    return priv->text;
}
 
 
void YLabel::setText( const string & newText )
{
    priv->text = newText;
}
 
 
bool YLabel::isHeading() const
{
    return priv->isHeading;
}
 
 
bool YLabel::isOutputField() const
{
    return priv->isOutputField;
}
 
 
bool YLabel::useBoldFont() const
{
    return priv->useBoldFont;
}
 
 
void YLabel::setUseBoldFont( bool bold )
{
    priv->useBoldFont = bold;
}
 
 
const YPropertySet &
YLabel::propertySet()
{
    static YPropertySet propSet;
 
    if ( propSet.isEmpty() )
    {
        /*
         * @property string     Label   the label text
         * @property string     Value   the label text (alias for Label)
         * @property string     Text    the label text (alias for Label)
         */
 
        propSet.add( YProperty( YUIProperty_Label,      YStringProperty ) );
        propSet.add( YProperty( YUIProperty_Value,      YStringProperty ) );
        propSet.add( YProperty( YUIProperty_Text,       YStringProperty ) );
        propSet.add( YWidget::propertySet() );
    }
 
    return propSet;
}
 
 
bool
YLabel::setProperty( const string & propertyName, const YPropertyValue & val )
{
    propertySet().check( propertyName, val.type() ); // throws exceptions if not found or type mismatch
 
    if      ( propertyName == YUIProperty_Label )       setText( val.stringVal() );
    else if ( propertyName == YUIProperty_Value )       setText( val.stringVal() );
    else if ( propertyName == YUIProperty_Text )        setText( val.stringVal() );
    else
    {
        return YWidget::setProperty( propertyName, val );
    }
 
    return true; // success -- no special processing necessary
}
 
 
YPropertyValue
YLabel::getProperty( const string & propertyName )
{
    propertySet().check( propertyName ); // throws exceptions if not found
 
    if      ( propertyName == YUIProperty_Label )       return YPropertyValue( text() );
    else if ( propertyName == YUIProperty_Value )       return YPropertyValue( text() );
    else if ( propertyName == YUIProperty_Text )        return YPropertyValue( text() );
    else
    {
        return YWidget::getProperty( propertyName );
    }
}
 
 
string YLabel::debugLabel() const
{
    string label = text();
 
    if ( label.size() > MAX_DEBUG_LABEL_LEN )
    {
        label.resize( MAX_DEBUG_LABEL_LEN );
        label.append( "..." );
    }
 
    for ( string::size_type i=0; i < label.size(); i++ )
    {
        if ( label[i] == '\n' )         label[i] = ' ';
        if ( label[i] == '\"' )         label[i] = ' ';
    }
 
    return label;
}
 
 
 
const char *
YLabel::widgetClass() const
{
    if      ( priv->isHeading     )     return "YLabel_Heading";
    else if ( priv->isOutputField )     return "YLabel_OutputField";
    else                                return "YLabel";
}