src/dolphinviewcontainer.h

   1 /***************************************************************************
   2  *   Copyright (C) 2007 by Peter Penz <peter.penz@gmx.at>                  *
   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
  21 #ifndef DOLPHINVIEWCONTAINER_H
  22 #define DOLPHINVIEWCONTAINER_H
  23
  24 #include "dolphinview.h"
  25
  26 #include <kparts/part.h>
  27 #include <kfileitem.h>
  28 #include <kfileitemdelegate.h>
  29 #include <kio/job.h>
  30
  31 #include <kurlnavigator.h>
  32
  33 #include <QtGui/QKeyEvent>
  34 #include <QtCore/QLinkedList>
  35 #include <QtGui/QListView>
  36 #include <QtGui/QBoxLayout>
  37 #include <QtGui/QWidget>
  38
  39 class FilterBar;
  40 class KUrl;
  41 class KDirModel;
  42 class KUrlNavigator;
  43 class DolphinDirLister;
  44 class DolphinMainWindow;
  45 class DolphinSortFilterProxyModel;
  46 class DolphinStatusBar;
  47 class QModelIndex;
  48
  49 /**
  50  * @short Represents a view for the directory content
  51  *        including the navigation bar, filter bar and status bar.
  52  *
  53  * View modes for icons, details and columns are supported. Currently
  54  * Dolphin allows to have up to two views inside the main window.
  55  *
  56  * @see DolphinView
  57  * @see FilterBar
  58  * @see KUrlNavigator
  59  * @see DolphinStatusBar
  60  */
  61 class DolphinViewContainer : public QWidget
  62 {
  63     Q_OBJECT
  64
  65 public:
  66     DolphinViewContainer(DolphinMainWindow* mainwindow,
  67                          QWidget *parent,
  68                          const KUrl& url,
  69                          DolphinView::Mode mode = DolphinView::IconsView,
  70                          bool showHiddenFiles = false);
  71
  72     virtual ~DolphinViewContainer();
  73
  74     /**
  75      * Sets the current active URL, where all actions are applied. The
  76      * URL navigator is synchronized with this URL. The signals
  77      * KUrlNavigator::urlChanged() and KUrlNavigator::historyChanged()
  78      * are emitted.
  79      * @see DolphinViewContainer::urlNavigator()
  80      */
  81     void setUrl(const KUrl& url);
  82
  83     /**
  84      * Returns the current active URL, where all actions are applied.
  85      * The URL navigator is synchronized with this URL.
  86      */
  87     const KUrl& url() const;
  88
  89     /**
  90      * If \a active is true, the view container will marked as active. The active
  91      * view container is defined as view where all actions are applied to.
  92      */
  93     void setActive(bool active);
  94     bool isActive() const;
  95
  96     /**
  97      * Triggers the renaming of the currently selected items, where
  98      * the user must input a new name for the items.
  99      */
 100     void renameSelectedItems();
 101
 102     KFileItem* fileItem(const QModelIndex index) const;
 103
 104     DolphinStatusBar* statusBar() const;
 105
 106     /**
 107      * Returns true, if the URL shown by the navigation bar is editable.
 108      * @see KUrlNavigator
 109      */
 110     bool isUrlEditable() const;
 111
 112     inline KUrlNavigator* urlNavigator() const;
 113
 114     inline DolphinView* view() const;
 115
 116     /** Returns true, if the filter bar is visible. */
 117     bool isFilterBarVisible() const;
 118
 119     /**
 120      * Return the DolphinMainWindow this View belongs to. It is guaranteed
 121      * that we have one.
 122      */
 123     DolphinMainWindow* mainWindow() const ;
 124
 125 public slots:
 126     /**
 127      * Popups the filter bar above the status bar if \a show is true.
 128      */
 129     void showFilterBar(bool show);
 130
 131     /**
 132      * Updates the number of items (= number of files + number of
 133      * directories) in the statusbar. If files are selected, the number
 134      * of selected files and the sum of the filesize is shown.
 135      */
 136     void updateStatusBar();
 137
 138 signals:
 139     /**
 140      * Is emitted whenever the filter bar has changed its visibility state.
 141      */
 142     void showFilterBarChanged(bool shown);
 143
 144 private slots:
 145     void updateProgress(int percent);
 146
 147     /**
 148      * Updates the number of items (= number of directories + number of files)
 149      * and shows this information in the statusbar.
 150      */
 151     void updateItemCount();
 152
 153     /**
 154      * Shows the item information for the URL \a url inside the statusbar. If the
 155      * URL is empty, the default statusbar information is shown.
 156      */
 157     void showItemInfo(const KUrl& url);
 158
 159     /** Shows the information \a msg inside the statusbar. */
 160     void showInfoMessage(const QString& msg);
 161
 162     /** Shows the error message \a msg inside the statusbar. */
 163     void showErrorMessage(const QString& msg);
 164
 165     void closeFilterBar();
 166
 167     /**
 168      * Filters the currently shown items by \a nameFilter. All items
 169      * which contain the given filter string will be shown.
 170      */
 171     void changeNameFilter(const QString& nameFilter);
 172
 173     /**
 174      * Opens the context menu on the current mouse postition.
 175      * @item  File item context. If item is 0, the context menu
 176      *        should be applied to \a url.
 177      * @url   URL which contains \a item.
 178      */
 179     void openContextMenu(KFileItem* item, const KUrl& url);
 180
 181     /**
 182      * Saves the position of the contents to the
 183      * current history element.
 184      */
 185     void saveContentsPos(int x, int y);
 186
 187     /**
 188      * Restores the contents position of the view, if the view
 189      * is part of the history.
 190      */
 191     void restoreContentsPos();
 192
 193     /**
 194      * Marks the view container as active
 195      * (see DolphinViewContainer::setActive()).
 196      */
 197     void activate();
 198
 199 private:
 200     /**
 201      * Returns the default text of the status bar, if no item is
 202      * selected.
 203      */
 204     QString defaultStatusBarText() const;
 205
 206     /**
 207      * Returns the text for the status bar, if at least one item
 208      * is selected.
 209      */
 210     QString selectionStatusBarText() const;
 211
 212 private:
 213     bool m_showProgress;
 214
 215     int m_iconSize;
 216     int m_folderCount;
 217     int m_fileCount;
 218
 219     DolphinMainWindow* m_mainWindow;
 220     QVBoxLayout* m_topLayout;
 221     KUrlNavigator* m_urlNavigator;
 222
 223     DolphinView* m_view;
 224
 225     FilterBar* m_filterBar;
 226     DolphinStatusBar* m_statusBar;
 227
 228     KDirModel* m_dirModel;
 229     DolphinDirLister* m_dirLister;
 230     DolphinSortFilterProxyModel* m_proxyModel;
 231 };
 232
 233 KUrlNavigator* DolphinViewContainer::urlNavigator() const
 234 {
 235     return m_urlNavigator;
 236 }
 237
 238 DolphinView* DolphinViewContainer::view() const
 239 {
 240     return m_view;
 241 }
 242
 243 #endif // DOLPHINVIEWCONTAINER_H