knode/knfiltermanager.h

   1 /*
   2     KNode, the KDE newsreader
   3     Copyright (c) 1999-2005 the KNode authors.
   4     See file AUTHORS for details
   5
   6     This program is free software; you can redistribute it and/or modify
   7     it under the terms of the GNU General Public License as published by
   8     the Free Software Foundation; either version 2 of the License, or
   9     (at your option) any later version.
  10     You should have received a copy of the GNU General Public License
  11     along with this program; if not, write to the Free Software Foundation,
  12     Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, US
  13 */
  14
  15 #ifndef KNFILTERMANAGER_H
  16 #define KNFILTERMANAGER_H
  17
  18 #include <qglobal.h>
  19 #include <QList>
  20
  21 #include <kactionmenu.h>
  22 #include <kactioncollection.h>
  23
  24 namespace KNode {
  25 class FilterListWidget;
  26 }
  27
  28 class KNArticleFilter;
  29
  30
  31 /** Filter selection action. */
  32 class KNFilterSelectAction : public KActionMenu
  33 {
  34   Q_OBJECT
  35
  36   public:
  37     KNFilterSelectAction( const QString& text, const QString& pix,
  38                           KActionCollection* parent, const char *name );
  39     ~KNFilterSelectAction();
  40
  41     void setCurrentItem(int id);
  42
  43   protected slots:
  44     void slotMenuActivated(int id);
  45
  46   signals:
  47     void activated(int id);
  48
  49   private:
  50     int currentItem;
  51 };
  52
  53
  54 /** Filter manager. */
  55 class KNFilterManager : public QObject
  56 {
  57   Q_OBJECT
  58
  59   public:
  60     KNFilterManager( QObject * parent = 0 );
  61     ~KNFilterManager();
  62
  63     void readOptions();
  64     void saveOptions();
  65
  66     void prepareShutdown();
  67
  68     KNArticleFilter* currentFilter()        { return currFilter; }
  69
  70     void startConfig(KNode::FilterListWidget *fs);
  71     void endConfig();
  72     void commitChanges();
  73     void newFilter();
  74     void editFilter(KNArticleFilter *f);
  75     void copyFilter(KNArticleFilter *f);
  76     void addFilter(KNArticleFilter *f);
  77     void deleteFilter(KNArticleFilter *f);
  78     bool newNameIsOK(KNArticleFilter *f, const QString &newName);
  79
  80     /** Allow to delay the setup of UI elements, since the knode part may not
  81      * be available when the config dialog is called.
  82      */
  83     void setMenuAction(KNFilterSelectAction *a, QAction *keybA);
  84
  85   protected:
  86     void loadFilters();
  87     void saveFilterLists();
  88     KNArticleFilter* setFilter(const int id);
  89     KNArticleFilter* byID(int id);
  90     void updateMenu();
  91
  92     QList<KNArticleFilter*> mFilterList;
  93     KNode::FilterListWidget *fset;
  94     KNArticleFilter *currFilter;
  95     KNFilterSelectAction *a_ctFilter;
  96     QList<int> menuOrder;
  97     bool commitNeeded;
  98
  99   protected slots:
 100     void slotMenuActivated(int id);
 101     void slotShowFilterChooser();
 102
 103   signals:
 104     void filterChanged(KNArticleFilter *f);
 105
 106 };
 107
 108 #endif
 109