1 /* This file is part of the KDE project
2    SPDX-FileCopyrightText: 2007 David Faure <faure@kde.org>
3 
4    SPDX-License-Identifier: LGPL-2.0-or-later
5 */
6 
7 #ifndef DOLPHINPART_H
8 #define DOLPHINPART_H
9 
10 #include <KParts/ReadOnlyPart>
11 
12 #include <QAction>
13 #include <QUrl>
14 
15 class DolphinNewFileMenu;
16 class DolphinViewActionHandler;
17 class QActionGroup;
18 class KFileItemList;
19 class KFileItem;
20 class DolphinPartBrowserExtension;
21 class DolphinRemoteEncoding;
22 class KDirLister;
23 class DolphinView;
24 class DolphinRemoveAction;
25 
26 class DolphinPart : public KParts::ReadOnlyPart
27 {
28     Q_OBJECT
29     // Used by konqueror. Technically it means "we want undo enabled if
30     // there are things in the undo history and the current part is a dolphin part".
31     // Even though it's konqueror doing the undo...
32     Q_PROPERTY( bool supportsUndo READ supportsUndo )
33 
34     Q_PROPERTY( QString currentViewMode READ currentViewMode WRITE setCurrentViewMode )
35 
36     // Used by konqueror when typing something like /home/dfaure/*.diff in the location bar
37     Q_PROPERTY( QString nameFilter READ nameFilter WRITE setNameFilter )
38 
39     // Used by konqueror to implement the --select command-line option
40     Q_PROPERTY( QList<QUrl> filesToSelect READ filesToSelect WRITE setFilesToSelect )
41 
42 public:
43     explicit DolphinPart(QWidget* parentWidget, QObject* parent,
44                          const KPluginMetaData& metaData, const QVariantList& args);
45     ~DolphinPart() override;
46 
47     /**
48      * Standard KParts::ReadOnlyPart openUrl method.
49      * Called by Konqueror to view a directory in DolphinPart.
50      */
51     bool openUrl(const QUrl& url) override;
52 
53     /// see the supportsUndo property
supportsUndo()54     bool supportsUndo() const { return true; }
55 
56     /**
57      * Used by konqueror for setting the view mode
58      * @param viewModeName internal name for the view mode, like "icons"
59      * Those names come from the Actions line in dolphinpart.desktop,
60      * and have to match the name of the KActions.
61      */
62     void setCurrentViewMode(const QString& viewModeName);
63 
64     /**
65      * Used by konqueror for displaying the current view mode.
66      * @see setCurrentViewMode
67      */
68     QString currentViewMode() const;
69 
70     /// Returns the view owned by this part; used by DolphinPartBrowserExtension
view()71     DolphinView* view() { return m_view; }
72 
73     /**
74      * Sets a name filter, like *.diff
75      */
76     void setNameFilter(const QString& nameFilter);
77 
78     /**
79      * Returns the current name filter. Used by konqueror to show it in the URL.
80      */
nameFilter()81     QString nameFilter() const { return m_nameFilter; }
82 
83 protected:
84     /**
85      * We reimplement openUrl so no need to implement openFile.
86      */
openFile()87     bool openFile() override { return true; }
88 
89 Q_SIGNALS:
90     /**
91      * Emitted when the view mode changes. Used by konqueror.
92      */
93     void viewModeChanged();
94 
95 
96     /**
97      * Emitted whenever the current URL is about to be changed.
98      */
99     void aboutToOpenURL();
100 
101 private Q_SLOTS:
102     void slotMessage(const QString& msg);
103     void slotErrorMessage(const QString& msg);
104     /**
105      * Shows the information for the item \a item inside the statusbar. If the
106      * item is null, the default statusbar information is shown.
107      */
108     void slotRequestItemInfo(const KFileItem& item);
109     /**
110      * Handles clicking on an item
111      */
112     void slotItemActivated(const KFileItem& item);
113     /**
114      * Handles activation of multiple items
115      */
116     void slotItemsActivated(const KFileItemList& items);
117     /**
118      * Creates a new window showing the content of \a url.
119      */
120     void createNewWindow(const QUrl &url);
121     /**
122      * Opens the context menu on the current mouse position.
123      * @pos           Position in screen coordinates.
124      * @item          File item context. If item is null, the context menu
125      *                should be applied to \a url.
126      * @url           URL which contains \a item.
127      * @customActions Actions that should be added to the context menu,
128      *                if the file item is null.
129      */
130     void slotOpenContextMenu(const QPoint& pos,
131                              const KFileItem& item,
132                              const QUrl& url,
133                              const QList<QAction*>& customActions);
134 
135     /**
136      * Informs the host that we are opening \a url (e.g. after a redirection
137      * coming from KDirLister).
138      * Testcase 1: fish://localhost
139      * Testcase 2: showing a directory that is being renamed by another window (#180156)
140      */
141     void slotDirectoryRedirection(const QUrl& oldUrl, const QUrl& newUrl);
142 
143     /**
144      * Updates the state of the 'Edit' menu actions and emits
145      * the signal selectionChanged().
146      */
147     void slotSelectionChanged(const KFileItemList& selection);
148 
149     /**
150      * Updates the text of the paste action dependent from
151      * the number of items which are in the clipboard.
152      */
153     void updatePasteAction();
154 
155     /**
156      * Connected to all "Go" menu actions provided by DolphinPart
157      */
158     void slotGoTriggered(QAction* action);
159 
160     /**
161      * Connected to the "editMimeType" action
162      */
163     void slotEditMimeType();
164 
165     /**
166      * Connected to the "select_items_matching" action.
167      * Opens a dialog which permits to select all items matching a pattern like "*.jpg".
168      */
169     void slotSelectItemsMatchingPattern();
170 
171     /**
172      * Connected to the "unselect_items_matching" action.
173      * Opens a dialog which permits to unselect all items matching a pattern like "*.jpg".
174      */
175     void slotUnselectItemsMatchingPattern();
176 
177     /**
178      * Open a terminal window, starting with the current directory.
179      */
180     void slotOpenTerminal();
181 
182     /**
183      * Open preferred search tool in the current directory to find files.
184      */
185     void slotFindFile();
186 
187     /**
188      * Updates the 'Create New...' sub menu, just before it's shown.
189      */
190     void updateNewMenu();
191 
192     /**
193      * Updates the number of items (= number of files + number of
194      * directories) in the statusbar. If files are selected, the number
195      * of selected files and the sum of the filesize is shown.
196      */
197     void updateStatusBar();
198 
199    /**
200     * Notify container of folder loading progress.
201     */
202     void updateProgress(int percent);
203 
204     void createDirectory();
205 
206     /**
207      * Called by konqueror --select
208      */
209     void setFilesToSelect(const QList<QUrl> &files);
filesToSelect()210     QList<QUrl> filesToSelect() const { return QList<QUrl>(); } // silence moc
211 
212     bool eventFilter(QObject*, QEvent*) override;
213 
214 private:
215     void createActions();
216     void createGoAction(const char* name, const char* iconName,
217                         const QString& text, const QString& url,
218                         QActionGroup* actionGroup);
219 
220     void openSelectionDialog(const QString& title, const QString& text,
221                              bool selectItems);
222     QString urlToLocalFilePath(const QUrl &url);
223     QString localFilePathOrHome() const;
224 
225 private:
226     DolphinView* m_view;
227     DolphinViewActionHandler* m_actionHandler;
228     DolphinRemoteEncoding* m_remoteEncoding;
229     DolphinPartBrowserExtension* m_extension;
230     DolphinNewFileMenu* m_newFileMenu;
231     QAction* m_findFileAction;
232     QAction* m_openTerminalAction;
233     QString m_nameFilter;
234     DolphinRemoveAction* m_removeAction;
235     Q_DISABLE_COPY(DolphinPart)
236 };
237 
238 #endif /* DOLPHINPART_H */
239