kworship/css/KwCssStyles.cpp

   1 /**
   2  * @file KwCssStyles.cpp
   3  * @brief Set of cascading style properties.
   4  * @author James Hogan <james@albanarts.com>
   5  */
   6
   7 #include "KwCssStyles.h"
   8 #include "KwCssStyleStates.h"
   9 #include "KwCssAbstractStyle.h"
  10 #include "KwCssAbstractStyleState.h"
  11
  12 /*
  13  * Constructors + destructors
  14  */
  15
  16 /// Default constructor.
  17 KwCssStyles::KwCssStyles()
  18 : m_styles()
  19 {
  20 }
  21
  22 /// Copy constructor.
  23 KwCssStyles::KwCssStyles(const KwCssStyles& other)
  24 : m_styles()
  25 {
  26   StyleDictionary::const_iterator it;
  27   for (it = other.m_styles.begin(); it != other.m_styles.end(); ++it)
  28   {
  29     m_styles[it.key()] = (*it)->duplicate();
  30   }
  31 }
  32
  33 /// Destructor.
  34 KwCssStyles::~KwCssStyles()
  35 {
  36   StyleDictionary::iterator it;
  37   for (it = m_styles.begin(); it != m_styles.end(); ++it)
  38   {
  39     delete *it;
  40   }
  41 }
  42
  43 /*
  44  * Main interface
  45  */
  46
  47 /// Set a style.
  48 void KwCssStyles::setRawStyle(QString name, KwCssAbstractStyle* style)
  49 {
  50   // Delete previous value
  51   StyleDictionary::iterator it = m_styles.find(name);
  52   if (it != m_styles.end())
  53   {
  54     delete *it;
  55   }
  56   // Set new value
  57   m_styles[name] = style;
  58 }
  59
  60 /*
  61  * Operators
  62  */
  63
  64 /// Apply styles.
  65 KwCssStyleStates& operator << (KwCssStyleStates& states, const KwCssStyles& styles)
  66 {
  67   // go through styles, adjusting the states
  68   KwCssStyles::StyleDictionary::const_iterator it;
  69   for (it = styles.m_styles.begin(); it != styles.m_styles.end(); ++it)
  70   {
  71     KwCssAbstractStyleState*& state = states[it.key()];
  72     if (0 == state)
  73     {
  74       state = (*it)->getNewState();
  75     }
  76     (*state) << (*it);
  77   }
  78   return states;
  79 }
  80