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Diffstat (limited to 'sd/source/ui/slidesorter/inc/controller/SlsSelectionManager.hxx')
| -rw-r--r-- | sd/source/ui/slidesorter/inc/controller/SlsSelectionManager.hxx | 170 |
1 files changed, 170 insertions, 0 deletions
diff --git a/sd/source/ui/slidesorter/inc/controller/SlsSelectionManager.hxx b/sd/source/ui/slidesorter/inc/controller/SlsSelectionManager.hxx new file mode 100644 index 000000000000..05bb8ef9a895 --- /dev/null +++ b/sd/source/ui/slidesorter/inc/controller/SlsSelectionManager.hxx @@ -0,0 +1,170 @@ +/* -*- Mode: C++; tab-width: 4; indent-tabs-mode: nil; c-basic-offset: 4 -*- */ +/************************************************************************* + * + * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER. + * + * Copyright 2000, 2010 Oracle and/or its affiliates. + * + * OpenOffice.org - a multi-platform office productivity suite + * + * This file is part of OpenOffice.org. + * + * OpenOffice.org is free software: you can redistribute it and/or modify + * it under the terms of the GNU Lesser General Public License version 3 + * only, as published by the Free Software Foundation. + * + * OpenOffice.org is distributed in the hope that it will be useful, + * but WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the + * GNU Lesser General Public License version 3 for more details + * (a copy is included in the LICENSE file that accompanied this code). + * + * You should have received a copy of the GNU Lesser General Public License + * version 3 along with OpenOffice.org. If not, see + * <http://www.openoffice.org/license.html> + * for a copy of the LGPLv3 License. + * + ************************************************************************/ + +#ifndef SD_SLIDESORTER_CONTROLLER_SELECTION_MANAGER_HXX +#define SD_SLIDESORTER_CONTROLLER_SELECTION_MANAGER_HXX + +#include "model/SlsSharedPageDescriptor.hxx" +#include "controller/SlsAnimator.hxx" +#include <sal/types.h> +#include <tools/gen.hxx> +#include <basegfx/range/b2irectangle.hxx> +#include <vector> + +class Link; +class SdPage; + +namespace sd { namespace slidesorter { +class SlideSorter; +} } + +namespace sd { namespace slidesorter { namespace controller { + +class SlideSorterController; +class SelectionObserver; + +/** This class is a part of the controller and handles the selection of + slides. + <p>It has methods to modify the selected slides (delete them or + move them to other places in the document), change the visible area so + to make the selected slides visble, tell listeners when the selection + changes.</p> +*/ +class SelectionManager +{ +public: + /** Create a new SelectionManger for the given slide sorter. + */ + SelectionManager (SlideSorter& rSlideSorter); + + ~SelectionManager (void); + + /** Delete the currently selected slides. When this method returns the + selection is empty. + @param bSelectFollowingPage + When <TRUE/> then after deleting the selected pages make the + slide after the last selected page the new current page. + When <FALSE/> then make the first slide before the selected + pages the new current slide. + */ + void DeleteSelectedPages (const bool bSelectFollowingPage = true); + + /** Call this method after the selection has changed (possible several + calls to the PageSelector) to invalidate the relevant slots and send + appropriate events. + */ + void SelectionHasChanged (const bool bMakeSelectionVisible = true); + + /** Add a listener that is called when the selection of the slide sorter + changes. + @param rListener + When this method is called multiple times for the same listener + the second and all following calls are ignored. Each listener + is added only once. + */ + void AddSelectionChangeListener (const Link& rListener); + + /** Remove a listener that was called when the selection of the slide + sorter changes. + @param rListener + It is save to pass a listener that was not added are has been + removed previously. Such calls are ignored. + */ + void RemoveSelectionChangeListener (const Link& rListener); + + /** Return the position where to insert pasted slides based on the + current selection. When there is a selection then the insert + position is behind the last slide. When the selection is empty then + most of the time the insert position is at the end of the document. + There is an exception right after the display of a popup-menu. The + position of the associated insertion marker is stored here and reset + the next time the selection changes. + */ + sal_Int32 GetInsertionPosition (void) const; + + /** Store an insertion position temporarily. It is reset when the + selection changes the next time. + */ + void SetInsertionPosition (const sal_Int32 nInsertionPosition); + + ::boost::shared_ptr<SelectionObserver> GetSelectionObserver (void) const; + +private: + SlideSorter& mrSlideSorter; + SlideSorterController& mrController; + + ::std::vector<Link> maSelectionChangeListeners; + + /** This array stores the indices of the selected page descriptors at + the time when the edit mode is switched to EM_MASTERPAGE. With this + we can restore the selection when switching back to EM_PAGE mode. + */ + ::std::vector<SdPage*> maSelectionBeforeSwitch; + + /** When this flag is set then on the next call to Paint() the selection + is moved into the visible area. + */ + bool mbIsMakeSelectionVisiblePending; + + /** The insertion position is only temporarily valid. Negative values + indicate that the explicit insertion position is not valid. In this + case GetInsertionPosition() calculates it from the current selection. + */ + sal_Int32 mnInsertionPosition; + + /** Animation id for a scroll animation the will eventually set the top + and left of the visible area to maRequestedTopLeft. + */ + Animator::AnimationId mnAnimationId; + Point maRequestedTopLeft; + + class PageInsertionListener; + ::boost::scoped_ptr<PageInsertionListener> mpPageInsertionListener; + + ::boost::shared_ptr<SelectionObserver> mpSelectionObserver; + + /** Delete the given list of normal pages. This method is a helper + function for DeleteSelectedPages(). + @param rSelectedNormalPages + A list of normal pages. Supplying master pages is an error. + */ + void DeleteSelectedNormalPages (const ::std::vector<SdPage*>& rSelectedNormalPages); + + /** Delete the given list of master pages. This method is a helper + function for DeleteSelectedPages(). + @param rSelectedMasterPages + A list of master pages. Supplying normal pages is an error. + */ + void DeleteSelectedMasterPages (const ::std::vector<SdPage*>& rSelectedMasterPages); +}; + +} } } // end of namespace ::sd::slidesorter::controller + +#endif + +/* vim:set shiftwidth=4 softtabstop=4 expandtab: */ |