src/dolphinpart.h

   1 /* This file is part of the KDE project
   2    Copyright (c) 2007 David Faure <faure@kde.org>
   3
   4    This library is free software; you can redistribute it and/or
   5    modify it under the terms of the GNU Library General Public
   6    License as published by the Free Software Foundation; either
   7    version 2 of the License, or (at your option) any later version.
   8
   9    This library 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 GNU
  12    Library General Public License for more details.
  13
  14    You should have received a copy of the GNU Library General Public License
  15    along with this library; see the file COPYING.LIB.  If not, write to
  16    the Free Software Foundation, Inc., 51 Franklin Street, Fifth Floor,
  17    Boston, MA 02110-1301, USA.
  18 */
  19
  20 #ifndef DOLPHINPART_H
  21 #define DOLPHINPART_H
  22
  23 #include <kparts/part.h>
  24 #include <kparts/browserextension.h>
  25 #include <kparts/fileinfoextension.h>
  26
  27 #include <QItemSelectionModel>
  28
  29 class KNewFileMenu;
  30 class DolphinViewActionHandler;
  31 class QActionGroup;
  32 class KAction;
  33 class KFileItemList;
  34 class KFileItem;
  35 class DolphinPartBrowserExtension;
  36 class DolphinSortFilterProxyModel;
  37 class DolphinRemoteEncoding;
  38 class DolphinModel;
  39 class KDirLister;
  40 class DolphinView;
  41 class KAboutData;
  42
  43 class DolphinPart : public KParts::ReadOnlyPart
  44 {
  45     Q_OBJECT
  46     // Used by konqueror. Technically it means "we want undo enabled if
  47     // there are things in the undo history and the current part is a dolphin part".
  48     // Even though it's konqueror doing the undo...
  49     Q_PROPERTY( bool supportsUndo READ supportsUndo )
  50
  51     Q_PROPERTY( QString currentViewMode READ currentViewMode WRITE setCurrentViewMode )
  52
  53     // Used by konqueror when typing something like /home/dfaure/*.diff in the location bar
  54     Q_PROPERTY( QString nameFilter READ nameFilter WRITE setNameFilter )
  55
  56     // Used by konqueror to implement the --select command-line option
  57     Q_PROPERTY( KUrl::List filesToSelect READ filesToSelect WRITE setFilesToSelect )
  58
  59 public:
  60     explicit DolphinPart(QWidget* parentWidget, QObject* parent, const QVariantList& args);
  61     ~DolphinPart();
  62
  63     static KAboutData* createAboutData();
  64
  65     /**
  66      * Standard KParts::ReadOnlyPart openUrl method.
  67      * Called by Konqueror to view a directory in DolphinPart.
  68      */
  69     virtual bool openUrl(const KUrl& url);
  70
  71     /// see the supportsUndo property
  72     bool supportsUndo() const { return true; }
  73
  74     /**
  75      * Used by konqueror for setting the view mode
  76      * @param viewModeName internal name for the view mode, like "icons"
  77      * Those names come from the Actions line in dolphinpart.desktop,
  78      * and have to match the name of the KActions.
  79      */
  80     void setCurrentViewMode(const QString& viewModeName);
  81
  82     /**
  83      * Used by konqueror for displaying the current view mode.
  84      * @see setCurrentViewMode
  85      */
  86     QString currentViewMode() const;
  87
  88     /// Returns the view owned by this part; used by DolphinPartBrowserExtension
  89     DolphinView* view() { return m_view; }
  90
  91     /**
  92      * Sets a name filter, like *.diff
  93      */
  94     void setNameFilter(const QString& nameFilter);
  95
  96     /**
  97      * Returns the current name filter. Used by konqueror to show it in the URL.
  98      */
  99     QString nameFilter() const { return m_nameFilter; }
 100
 101 protected:
 102     /**
 103      * We reimplement openUrl so no need to implement openFile.
 104      */
 105     virtual bool openFile() { return true; }
 106
 107 Q_SIGNALS:
 108     /**
 109      * Emitted when the view mode changes. Used by konqueror.
 110      */
 111     void viewModeChanged();
 112
 113
 114     /**
 115      * Emitted whenever the current URL is about to be changed.
 116      */
 117     void aboutToOpenURL();
 118
 119 private Q_SLOTS:
 120     void slotMessage(const QString& msg);
 121     void slotErrorMessage(const QString& msg);
 122     /**
 123      * Shows the information for the item \a item inside the statusbar. If the
 124      * item is null, the default statusbar information is shown.
 125      */
 126     void slotRequestItemInfo(const KFileItem& item);
 127     /**
 128      * Handles clicking on an item
 129      */
 130     void slotItemActivated(const KFileItem& item);
 131     /**
 132      * Creates a new window showing the content of \a url.
 133      */
 134     void createNewWindow(const KUrl& url);
 135     /**
 136      * Opens the context menu on the current mouse position.
 137      * @pos           Position in screen coordinates.
 138      * @item          File item context. If item is null, the context menu
 139      *                should be applied to \a url.
 140      * @url           URL which contains \a item.
 141      * @customActions Actions that should be added to the context menu,
 142      *                if the file item is null.
 143      */
 144     void slotOpenContextMenu(const QPoint& pos,
 145                              const KFileItem& item,
 146                              const KUrl& url,
 147                              const QList<QAction*>& customActions);
 148
 149     /**
 150      * Informs the host that we are opening \a url (e.g. after a redirection
 151      * coming from KDirLister).
 152      * Testcase 1: fish://localhost
 153      * Testcase 2: showing a directory that is being renamed by another window (#180156)
 154      */
 155     void slotDirectoryRedirection(const KUrl& oldUrl, const KUrl& newUrl);
 156
 157     /**
 158      * Updates the state of the 'Edit' menu actions and emits
 159      * the signal selectionChanged().
 160      */
 161     void slotSelectionChanged(const KFileItemList& selection);
 162
 163     /**
 164      * Updates the text of the paste action dependent from
 165      * the number of items which are in the clipboard.
 166      */
 167     void updatePasteAction();
 168
 169     /**
 170      * Connected to all "Go" menu actions provided by DolphinPart
 171      */
 172     void slotGoTriggered(QAction* action);
 173
 174     /**
 175      * Connected to the "editMimeType" action
 176      */
 177     void slotEditMimeType();
 178
 179     /**
 180      * Connected to the "select_items_matching" action.
 181      * Opens a dialog which permits to select all items matching a pattern like "*.jpg".
 182      */
 183     void slotSelectItemsMatchingPattern();
 184
 185     /**
 186      * Connected to the "unselect_items_matching" action.
 187      * Opens a dialog which permits to unselect all items matching a pattern like "*.jpg".
 188      */
 189     void slotUnselectItemsMatchingPattern();
 190
 191     /**
 192      * Open a terminal window, starting with the current directory.
 193      */
 194     void slotOpenTerminal();
 195
 196     /**
 197      * Open KFind with the current path.
 198      */
 199     void slotFindFile();
 200
 201     /**
 202      * Updates the 'Create New...' sub menu, just before it's shown.
 203      */
 204     void updateNewMenu();
 205
 206     /**
 207      * Updates the number of items (= number of files + number of
 208      * directories) in the statusbar. If files are selected, the number
 209      * of selected files and the sum of the filesize is shown.
 210      */
 211     void updateStatusBar();
 212
 213    /**
 214     * Notify container of folder loading progress.
 215     */
 216     void updateProgress(int percent);
 217
 218     void createDirectory();
 219
 220     /**
 221      * Called by konqueror --select
 222      */
 223     void setFilesToSelect(const KUrl::List& files);
 224     KUrl::List filesToSelect() const { return KUrl::List(); } // silence moc
 225
 226 private:
 227     void createActions();
 228     void createGoAction(const char* name, const char* iconName,
 229                         const QString& text, const QString& url,
 230                         QActionGroup* actionGroup);
 231
 232     void openSelectionDialog(const QString& title, const QString& text,
 233                              bool selectItems);
 234
 235 private:
 236     DolphinView* m_view;
 237     DolphinViewActionHandler* m_actionHandler;
 238     DolphinRemoteEncoding* m_remoteEncoding;
 239     DolphinPartBrowserExtension* m_extension;
 240     KNewFileMenu* m_newFileMenu;
 241     QString m_nameFilter;
 242     Q_DISABLE_COPY(DolphinPart)
 243 };
 244
 245 class DolphinPartBrowserExtension : public KParts::BrowserExtension
 246 {
 247     Q_OBJECT
 248 public:
 249     DolphinPartBrowserExtension( DolphinPart* part )
 250         : KParts::BrowserExtension( part ), m_part(part) {}
 251
 252     virtual void restoreState(QDataStream &stream);
 253     virtual void saveState(QDataStream &stream);
 254
 255 public Q_SLOTS:
 256     void cut();
 257     void copy();
 258     void paste();
 259     void pasteTo(const KUrl&);
 260     void reparseConfiguration();
 261
 262 private:
 263     DolphinPart* m_part;
 264 };
 265
 266
 267 class DolphinPartFileInfoExtension : public KParts::FileInfoExtension
 268 {
 269     Q_OBJECT
 270
 271 public:
 272     DolphinPartFileInfoExtension(DolphinPart* part);
 273
 274     virtual QueryModes supportedQueryModes() const;
 275     virtual bool hasSelection() const;
 276
 277     virtual KFileItemList queryFor(QueryMode mode) const;
 278 protected:
 279     DolphinPart* part() const;
 280 };
 281
 282 #endif /* DOLPHINPART_H */