1 files changed, 145 insertions, 0 deletions
diff --git a/kpovmodeler/pmviewfactory.h b/kpovmodeler/pmviewfactory.h
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+/*
+**************************************************************************
+                                 description
+                             --------------------
+    copyright            : (C) 2003 by Andreas Zehender
+    email                : [email protected]
+**************************************************************************
+
+**************************************************************************
+*                                                                        *
+*  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.                                   *
+*                                                                        *
+**************************************************************************/
+
+#ifndef PMVIEWFACTORY_H
+#define PMVIEWFACTORY_H
+
+#ifdef HAVE_CONFIG_H
+#include <config.h>
+#endif
+
+#include <qstring.h>
+#include <qptrlist.h>
+#include <qdict.h>
+#include <kstaticdeleter.h>
+
+class PMViewBase;
+class QWidget;
+class PMPart;
+class QDomElement;
+class PMViewOptions;
+class PMViewOptionsWidget;
+
+/**
+ * Factory and description class for one view type
+ * @see PMViewFactory
+ */
+class PMViewTypeFactory
+{
+public:
+   /**
+    * Default constructor
+    */
+   PMViewTypeFactory( ) { }
+   /**
+    * Destructor
+    */
+   virtual ~PMViewTypeFactory( ) { }
+   /**
+    * Returns the id for the view type. Choose an unique name.
+    */
+   virtual QString viewType( ) const = 0;
+   /**
+    * Returns a i18n'ed description for the view type
+    */
+   virtual QString description( ) const = 0;
+   /**
+    * Returns a i18n'ed description for the view type, dependent
+    * on the options. Calls the method above by default.
+    */
+   virtual QString description( PMViewOptions* ) const
+   {
+      return description( );
+   }
+   /**
+    * Returns the icon name for the view
+    */
+   virtual QString iconName( ) const = 0;
+   /**
+    * Returns a new view instance
+    */
+   virtual PMViewBase* newInstance( QWidget* parent, PMPart* part ) const = 0;
+   /**
+    * Creates a config object for the view type.
+    * If the view doesn't have special attributes, the function returns 0;
+    */
+   virtual PMViewOptions* newOptionsInstance( ) const { return 0; }
+   /**
+    * Creates a widget to configure the custom options
+    */
+   virtual PMViewOptionsWidget* newOptionsWidget( QWidget*, PMViewOptions* )
+   {
+      return 0;
+   }
+};
+
+
+/**
+ * Factory class for KPovModeler views.
+ *
+ * Plugins can add new view types by adding new
+ * @ref PMViewTypeFactory objects.
+ */
+class PMViewFactory
+{
+public:
+   /**
+    * Destructor
+    */
+   ~PMViewFactory( );
+   /**
+    * Returns the factory instance
+    */
+   static PMViewFactory* theFactory( );
+
+   /**
+    * Adds a new view type
+    *
+    * The factory becomes the owner of the object
+    */
+   void addViewType( PMViewTypeFactory* vt );
+   /**
+    * Returns a new view of type viewType if available
+    */
+   PMViewBase* newViewInstance( const QString& viewType,
+                                QWidget* parent, PMPart* part ) const;
+   /**
+    * Returns a new view option instance for the given view type
+    */
+   PMViewOptions* newOptionsInstance( const QString& viewType ) const;
+   /**
+    * Returns the factory for the given view type
+    */
+   PMViewTypeFactory* viewFactory( const QString& viewType ) const;
+   /**
+    * Returns the list of available view types
+    */
+   const QPtrList<PMViewTypeFactory>& viewTypes( ) const;
+private:
+   /**
+    * Constructor
+    */
+   PMViewFactory( );
+
+   QPtrList<PMViewTypeFactory> m_viewTypes;
+   QDict<PMViewTypeFactory> m_dict;
+   
+   static PMViewFactory* s_pInstance;
+   static KStaticDeleter<PMViewFactory> s_staticDeleter;   
+};
+
+#endif