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
  70     virtual ~DolphinViewContainer();
  71
  72     /**
  73      * Sets the current active URL, where all actions are applied. The
  74      * URL navigator is synchronized with this URL. The signals
  75      * KUrlNavigator::urlChanged() and KUrlNavigator::historyChanged()
  76      * are emitted.
  77      * @see DolphinViewContainer::urlNavigator()
  78      */
  79     void setUrl(const KUrl& url);
  80
  81     /**
  82      * Returns the current active URL, where all actions are applied.
  83      * The URL navigator is synchronized with this URL.
  84      */
  85     const KUrl& url() const;
  86
  87     /**
  88      * If \a active is true, the view container will marked as active. The active
  89      * view container is defined as view where all actions are applied to.
  90      */
  91     void setActive(bool active);
  92     bool isActive() const;
  93
  94     /**
  95      * Triggers the renaming of the currently selected items, where
  96      * the user must input a new name for the items.
  97      */
  98     void renameSelectedItems();
  99
 100     KFileItem* fileItem(const QModelIndex index) const;
 101
 102     inline const DolphinStatusBar* statusBar() const;
 103     inline DolphinStatusBar* statusBar();
 104
 105     /**
 106      * Returns true, if the URL shown by the navigation bar is editable.
 107      * @see KUrlNavigator
 108      */
 109     bool isUrlEditable() const;
 110
 111     inline const KUrlNavigator* urlNavigator() const;
 112     inline KUrlNavigator* urlNavigator();
 113
 114     inline const DolphinView* view() const;
 115     inline DolphinView* view();
 116
 117     /** Returns true, if the filter bar is visible. */
 118     bool isFilterBarVisible() const;
 119
 120     /**
 121      * Return the DolphinMainWindow this View belongs to. It is guaranteed
 122      * that we have one.
 123      */
 124     inline const DolphinMainWindow* mainWindow() const;
 125
 126 public slots:
 127     /**
 128      * Popups the filter bar above the status bar if \a show is true.
 129      */
 130     void showFilterBar(bool show);
 131
 132     /**
 133      * Updates the number of items (= number of files + number of
 134      * directories) in the statusbar. If files are selected, the number
 135      * of selected files and the sum of the filesize is shown.
 136      */
 137     void updateStatusBar();
 138
 139 signals:
 140     /**
 141      * Is emitted whenever the filter bar has changed its visibility state.
 142      */
 143     void showFilterBarChanged(bool shown);
 144
 145 private slots:
 146     void updateProgress(int percent);
 147
 148     /**
 149      * Updates the number of items (= number of directories + number of files)
 150      * and shows this information in the statusbar.
 151      */
 152     void updateItemCount();
 153
 154     /**
 155      * Shows the information for the item \a item inside the statusbar. If the
 156      * item is null, the default statusbar information is shown.
 157      */
 158     void showItemInfo(const KFileItem& item);
 159
 160     /** Shows the information \a msg inside the statusbar. */
 161     void showInfoMessage(const QString& msg);
 162
 163     /** Shows the error message \a msg inside the statusbar. */
 164     void showErrorMessage(const QString& msg);
 165
 166     void closeFilterBar();
 167
 168     /**
 169      * Filters the currently shown items by \a nameFilter. All items
 170      * which contain the given filter string will be shown.
 171      */
 172     void changeNameFilter(const QString& nameFilter);
 173
 174     /**
 175      * Opens the context menu on the current mouse postition.
 176      * @item  File item context. If item is 0, the context menu
 177      *        should be applied to \a url.
 178      * @url   URL which contains \a item.
 179      */
 180     void openContextMenu(KFileItem* item, const KUrl& url);
 181
 182     /**
 183      * Saves the position of the contents to the
 184      * current history element.
 185      */
 186     void saveContentsPos(int x, int y);
 187
 188     /**
 189      * Restores the contents position of the view, if the view
 190      * is part of the history.
 191      */
 192     void restoreContentsPos();
 193
 194     /**
 195      * Marks the view container as active
 196      * (see DolphinViewContainer::setActive()).
 197      */
 198     void activate();
 199
 200 private:
 201     /**
 202      * Returns the default text of the status bar, if no item is
 203      * selected.
 204      */
 205     QString defaultStatusBarText() const;
 206
 207     /**
 208      * Returns the text for the status bar, if at least one item
 209      * is selected.
 210      */
 211     QString selectionStatusBarText() const;
 212
 213 private:
 214     bool m_showProgress;
 215
 216     int m_iconSize;
 217     int m_folderCount;
 218     int m_fileCount;
 219
 220     DolphinMainWindow* m_mainWindow;
 221     QVBoxLayout* m_topLayout;
 222     KUrlNavigator* m_urlNavigator;
 223
 224     DolphinView* m_view;
 225
 226     FilterBar* m_filterBar;
 227     DolphinStatusBar* m_statusBar;
 228
 229     KDirModel* m_dirModel;
 230     DolphinDirLister* m_dirLister;
 231     DolphinSortFilterProxyModel* m_proxyModel;
 232 };
 233
 234 const DolphinStatusBar* DolphinViewContainer::statusBar() const
 235 {
 236     return m_statusBar;
 237 }
 238
 239 DolphinStatusBar* DolphinViewContainer::statusBar()
 240 {
 241     return m_statusBar;
 242 }
 243
 244 const KUrlNavigator* DolphinViewContainer::urlNavigator() const
 245 {
 246     return m_urlNavigator;
 247 }
 248
 249 KUrlNavigator* DolphinViewContainer::urlNavigator()
 250 {
 251     return m_urlNavigator;
 252 }
 253
 254 const DolphinView* DolphinViewContainer::view() const
 255 {
 256     return m_view;
 257 }
 258
 259 DolphinView* DolphinViewContainer::view()
 260 {
 261     return m_view;
 262 }
 263
 264 const DolphinMainWindow* DolphinViewContainer::mainWindow() const
 265 {
 266     return m_mainWindow;
 267 }
 268 #endif // DOLPHINVIEWCONTAINER_H