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authortoma <toma@283d02a7-25f6-0310-bc7c-ecb5cbfe19da>2009-11-25 17:56:58 +0000
committertoma <toma@283d02a7-25f6-0310-bc7c-ecb5cbfe19da>2009-11-25 17:56:58 +0000
commit47d455dd55be855e4cc691c32f687f723d9247ee (patch)
tree52e236aaa2576bdb3840ebede26619692fed6d7d /kpovmodeler/pmviewbase.h
downloadtdegraphics-47d455dd55be855e4cc691c32f687f723d9247ee.tar.gz
tdegraphics-47d455dd55be855e4cc691c32f687f723d9247ee.zip
Copy the KDE 3.5 branch to branches/trinity for new KDE 3.5 features.
BUG:215923 git-svn-id: svn://anonsvn.kde.org/home/kde/branches/trinity/kdegraphics@1054174 283d02a7-25f6-0310-bc7c-ecb5cbfe19da
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+/*
+**************************************************************************
+ description
+ --------------------
+ copyright : (C) 2003 by Andreas Zehender
+ email : zehender@kde.org
+**************************************************************************
+
+**************************************************************************
+* *
+* 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 PMVIEWBASE_H
+#define PMVIEWBASE_H
+
+#ifdef HAVE_CONFIG_H
+#include <config.h>
+#endif
+
+#include <qwidget.h>
+#include <qstring.h>
+
+class QDomElement;
+
+/**
+ * This class stores the view configuration for one view.
+ *
+ * Reimplement this class for each view type that has to store
+ * additional values.
+ *
+ * Created, loaded from and saved to the xml config by the corresponding
+ * @ref PMViewTypeFactory factory class.
+ */
+class PMViewOptions
+{
+public:
+ /**
+ * Returns a deep copy
+ */
+ virtual PMViewOptions* copy( ) const = 0;
+ /**
+ * Returns the identifier for the view type. Has to be equal
+ * to @ref PMViewBase::viewType for the corresponding view type.
+ */
+ virtual QString viewType( ) const = 0;
+ /**
+ * Loads the data from the xml element
+ */
+ virtual void loadData( QDomElement& e ) = 0;
+ /**
+ * Saves the data from to xml element
+ */
+ virtual void saveData( QDomElement& e ) = 0;
+};
+
+/**
+ * Base class for configuration widgets for view types
+ * for the layout settings dialog page
+ */
+class PMViewOptionsWidget : public QWidget
+{
+ Q_OBJECT
+public:
+ /**
+ * Default constructor
+ */
+ PMViewOptionsWidget( QWidget* parent, const char* name = 0 )
+ : QWidget( parent, name )
+ {
+ }
+
+signals:
+ /**
+ * Emitted when the view type description has changed
+ */
+ void viewTypeDescriptionChanged( );
+};
+
+/**
+ * Interface for views.
+ *
+ * Each view type has to implement this interface. Handles the
+ * config loading and saving
+ */
+class PMViewBase : public QWidget
+{
+ Q_OBJECT
+public:
+ /**
+ * Default constructor
+ */
+ PMViewBase( QWidget* parent, const char* name = 0, WFlags f = 0 )
+ : QWidget( parent, name, f )
+ {
+ }
+ /**
+ * Returns the identifier for the view type. Has to be unique
+ * for all view types.
+ */
+ virtual QString viewType( ) const = 0;
+ /**
+ * Returns a i18n'ed description
+ */
+ virtual QString description( ) const = 0;
+ /**
+ * Restores the view configuration
+ *
+ * Reimplement this function if the view type has to
+ * restore additional values.
+ * @see PMViewOptions
+ */
+ virtual void restoreViewConfig( PMViewOptions* ) { }
+ /**
+ * Saves the view configuration
+ *
+ * Reimplement this function if the view type has to
+ * restore additional values.
+ * @see PMViewOptions
+ */
+ virtual void saveViewConfig( PMViewOptions* ) const { }
+};
+
+#endif