kworship/css/KwCssStyles.h

   1 /***************************************************************************
   2  *   This file is part of KWorship.                                        *
   3  *   Copyright 2008 James Hogan <james@albanarts.com>                      *
   4  *                                                                         *
   5  *   KWorship is free software: you can redistribute it and/or modify      *
   6  *   it under the terms of the GNU General Public License as published by  *
   7  *   the Free Software Foundation, either version 2 of the License, or     *
   8  *   (at your option) any later version.                                   *
   9  *                                                                         *
  10  *   KWorship is distributed in the hope that it will be useful,           *
  11  *   but WITHOUT ANY WARRANTY; without even the implied warranty of        *
  12  *   MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the         *
  13  *   GNU General Public License for more details.                          *
  14  *                                                                         *
  15  *   You should have received a copy of the GNU General Public License     *
  16  *   along with KWorship.  If not, write to the Free Software Foundation,  *
  17  *   Inc., 51 Franklin Street, Fifth Floor, Boston, MA  02110-1301, USA.   *
  18  ***************************************************************************/
  19
  20 #ifndef _KwCssStyles_h_
  21 #define _KwCssStyles_h_
  22
  23 /**
  24  * @file KwCssStyles.h
  25  * @brief Set of cascading style properties.
  26  * @author James Hogan <james@albanarts.com>
  27  */
  28
  29 #include "KwCssStyle.h"
  30
  31 #include <QHash>
  32
  33 class KwCssAbstractStyle;
  34 class KwCssStyleStates;
  35 class KwCssSchema;
  36
  37 /// Set of cascading style properties.
  38 class KwCssStyles
  39 {
  40   public:
  41
  42     /*
  43      * Constructors + destructors
  44      */
  45
  46     /// Default constructor.
  47     KwCssStyles();
  48
  49     /// Copy constructor.
  50     KwCssStyles(const KwCssStyles& other);
  51
  52     /// Destructor.
  53     virtual ~KwCssStyles();
  54
  55     /*
  56      * Main interface
  57      */
  58
  59     /// Set a style.
  60     void setRawStyle(QString name, KwCssAbstractStyle* style);
  61
  62     /// Set a style of a particular type.
  63     template <typename T>
  64     void setStyle(QString name, const T& value)
  65     {
  66       setRawStyle(name, new KwCssStyle<T>(value));
  67     }
  68
  69     /// Return whether the styles container is empty.
  70     bool isEmpty() const;
  71
  72     /// Convert to CSS-like format.
  73     QString toString() const;
  74
  75     /** Import from CSS-like format into the sheet.
  76      * @return position of first character after styles.
  77      */
  78     int import(const KwCssSchema* schema, const QString& sheet, int start = 0);
  79
  80     /*
  81      * Operators
  82      */
  83
  84     /// Apply styles to states.
  85     friend KwCssStyleStates& operator << (KwCssStyleStates& states, const KwCssStyles& styles);
  86
  87   private:
  88
  89     /*
  90      * Types
  91      */
  92
  93     /// Dictionary of strings to styles.
  94     typedef QHash<QString, KwCssAbstractStyle*> StyleDictionary;
  95
  96     /*
  97      * Variables
  98      */
  99
 100     /// The style properties.
 101     StyleDictionary m_styles;
 102
 103 };
 104
 105 #endif // _KwCssStyles_h_
 106