src/panels/folders/folderspanel.h

   1 /***************************************************************************
   2  *   Copyright (C) 2006 by Peter Penz <peter.penz19@gmail.com>             *
   3  *                                                                         *
   4  *   This program is free software; you can redistribute it and/or modify  *
   5  *   it under the terms of the GNU General Public License as published by  *
   6  *   the Free Software Foundation; either version 2 of the License, or     *
   7  *   (at your option) any later version.                                   *
   8  *                                                                         *
   9  *   This program is distributed in the hope that it will be useful,       *
  10  *   but WITHOUT ANY WARRANTY; without even the implied warranty of        *
  11  *   MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the         *
  12  *   GNU General Public License for more details.                          *
  13  *                                                                         *
  14  *   You should have received a copy of the GNU General Public License     *
  15  *   along with this program; if not, write to the                         *
  16  *   Free Software Foundation, Inc.,                                       *
  17  *   51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA            *
  18  ***************************************************************************/
  19
  20 #ifndef FOLDERSPANEL_H
  21 #define FOLDERSPANEL_H
  22
  23 #include <KUrl>
  24 #include <panels/panel.h>
  25
  26 class KFileItemModel;
  27 class KItemListController;
  28 class QGraphicsSceneDragDropEvent;
  29 class KFileItem;
  30 /**
  31  * @brief Shows a tree view of the directories starting from
  32  *        the currently selected place.
  33  *
  34  * The tree view is always synchronized with the currently active view
  35  * from the main window.
  36  */
  37 class FoldersPanel : public Panel
  38 {
  39     Q_OBJECT
  40
  41 public:
  42     FoldersPanel(QWidget* parent = 0);
  43     virtual ~FoldersPanel();
  44
  45     void setShowHiddenFiles(bool show);
  46     bool showHiddenFiles() const;
  47
  48     void setAutoScrolling(bool enable);
  49     bool autoScrolling() const;
  50
  51     void rename(const KFileItem& item);
  52
  53 signals:
  54     void folderActivated(const KUrl& url);
  55     void folderMiddleClicked(const KUrl& url);
  56     void errorMessage(const QString& error);
  57
  58 protected:
  59     /** @see Panel::urlChanged() */
  60     virtual bool urlChanged();
  61
  62     /** @see QWidget::showEvent() */
  63     virtual void showEvent(QShowEvent* event);
  64
  65     /** @see QWidget::keyPressEvent() */
  66     virtual void keyPressEvent(QKeyEvent* event);
  67
  68 private slots:
  69     void slotItemActivated(int index);
  70     void slotItemMiddleClicked(int index);
  71     void slotItemContextMenuRequested(int index, const QPointF& pos);
  72     void slotViewContextMenuRequested(const QPointF& pos);
  73     void slotItemDropEvent(int index, QGraphicsSceneDragDropEvent* event);
  74     void slotRoleEditingFinished(int index, const QByteArray& role, const QVariant& value);
  75
  76     void slotLoadingCompleted();
  77
  78     /**
  79      * Increases the opacity of the view step by step until it is fully
  80      * opaque.
  81      */
  82     void startFadeInAnimation();
  83
  84 private:
  85     /**
  86      * Initializes the base URL of the tree and expands all
  87      * directories until \a url.
  88      * @param url  URL of the leaf directory that should get expanded.
  89      */
  90     void loadTree(const KUrl& url);
  91
  92     /**
  93      * Sets the item with the index \a index as current item, selects
  94      * the item and assures that the item will be visible.
  95      */
  96     void updateCurrentItem(int index);
  97
  98 private:
  99     bool m_updateCurrentItem;
 100     KItemListController* m_controller;
 101     KFileItemModel* m_model;
 102 };
 103
 104 #endif // FOLDERSPANEL_H