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1 : /* -*- Mode: C++; tab-width: 4; indent-tabs-mode: nil; c-basic-offset: 4 -*- */
2 : /*
3 : * Version: MPL 1.1 / GPLv3+ / LGPLv3+
4 : *
5 : * The contents of this file are subject to the Mozilla Public License Version
6 : * 1.1 (the "License"); you may not use this file except in compliance with
7 : * the License. You may obtain a copy of the License at
8 : * http://www.mozilla.org/MPL/
9 : *
10 : * Software distributed under the License is distributed on an "AS IS" basis,
11 : * WITHOUT WARRANTY OF ANY KIND, either express or implied. See the License
12 : * for the specific language governing rights and limitations under the
13 : * License.
14 : *
15 : * The Initial Developer of the Original Code is
16 : * [ Maja Djordjevic < ovcica@gmail.com > ]
17 : * Portions created by the Initial Developer are Copyright (C) 2010 the
18 : * Initial Developer. All Rights Reserved.
19 : *
20 : * Contributor(s): Cédric Bosdonnat <cbosdonnat@novell.com>
21 : * Caolan McNamara <caolanm@redhat.com>
22 : *
23 : * Alternatively, the contents of this file may be used under the terms of
24 : * either the GNU General Public License Version 3 or later (the "GPLv3+"), or
25 : * the GNU Lesser General Public License Version 3 or later (the "LGPLv3+"),
26 : * in which case the provisions of the GPLv3+ or the LGPLv3+ are applicable
27 : * instead of those above.
28 : */
29 : #ifndef SW_NAVMGR_HXX
30 : #define SW_NAVMGR_HXX
31 :
32 : #include <vector>
33 :
34 : #include <boost/shared_ptr.hpp>
35 :
36 : #include "swtypes.hxx"
37 :
38 : class SwWrtShell;
39 : struct SwPosition;
40 : class SwUnoCrsr;
41 :
42 :
43 63 : class SwNavigationMgr
44 : {
45 : private:
46 : /*
47 : * List of entries in the navigation history
48 : * Entries are SwUnoCrsr because thos gets corrected automatically
49 : * when nodes are deleted.
50 : *
51 : * The navigation history behaves as a stack, to which items are added when we jump to a new position
52 : * (e.g. click a link, or double click an entry from the navigator).
53 : * Every use of the back/forward buttons results in moving the stack pointer within the navigation history
54 : */
55 : typedef ::std::vector< ::boost::shared_ptr<SwUnoCrsr> > Stack_t;
56 : Stack_t m_entries;
57 : Stack_t::size_type m_nCurrent; /* Current position within the navigation history */
58 : SwWrtShell & m_rMyShell; /* The active shell within which the navigation occurs */
59 :
60 : void GotoSwPosition(const SwPosition &rPos);
61 :
62 : public:
63 : /* Constructor that initializes the shell to the current shell */
64 : SwNavigationMgr( SwWrtShell & rShell );
65 : /* Can we go back in the history ? */
66 : bool backEnabled() ;
67 : /* Can we go forward in the history ? */
68 : bool forwardEnabled();
69 : /* The method that is called when we click the back button */
70 : void goBack() ;
71 : /* The method that is called when we click the forward button */
72 : void goForward() ;
73 : /* The method that adds the position pPos to the navigation history */
74 : bool addEntry(const SwPosition& rPos);
75 : };
76 : #endif
77 : /* vim:set shiftwidth=4 softtabstop=4 expandtab: */
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