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1 : /* -*- Mode: C++; tab-width: 4; indent-tabs-mode: nil; c-basic-offset: 4 -*- */
2 : /*
3 : * This file is part of the LibreOffice project.
4 : *
5 : * This Source Code Form is subject to the terms of the Mozilla Public
6 : * License, v. 2.0. If a copy of the MPL was not distributed with this
7 : * file, You can obtain one at http://mozilla.org/MPL/2.0/.
8 : *
9 : * This file incorporates work covered by the following license notice:
10 : *
11 : * Licensed to the Apache Software Foundation (ASF) under one or more
12 : * contributor license agreements. See the NOTICE file distributed
13 : * with this work for additional information regarding copyright
14 : * ownership. The ASF licenses this file to you under the Apache
15 : * License, Version 2.0 (the "License"); you may not use this file
16 : * except in compliance with the License. You may obtain a copy of
17 : * the License at http://www.apache.org/licenses/LICENSE-2.0 .
18 : */
19 :
20 :
21 : #include "controller/SlsSelectionManager.hxx"
22 :
23 : #include "SlideSorter.hxx"
24 : #include "SlsCommand.hxx"
25 : #include "controller/SlideSorterController.hxx"
26 : #include "controller/SlsAnimator.hxx"
27 : #include "controller/SlsAnimationFunction.hxx"
28 : #include "controller/SlsCurrentSlideManager.hxx"
29 : #include "controller/SlsFocusManager.hxx"
30 : #include "controller/SlsPageSelector.hxx"
31 : #include "controller/SlsProperties.hxx"
32 : #include "controller/SlsScrollBarManager.hxx"
33 : #include "controller/SlsSlotManager.hxx"
34 : #include "controller/SlsSelectionObserver.hxx"
35 : #include "model/SlideSorterModel.hxx"
36 : #include "model/SlsPageEnumerationProvider.hxx"
37 : #include "model/SlsPageDescriptor.hxx"
38 : #include "view/SlideSorterView.hxx"
39 : #include "view/SlsLayouter.hxx"
40 : #include "drawdoc.hxx"
41 : #include "Window.hxx"
42 : #include <svx/svxids.hrc>
43 : #include <com/sun/star/drawing/XMasterPagesSupplier.hpp>
44 : #include <com/sun/star/drawing/XDrawPagesSupplier.hpp>
45 :
46 : #include "res_bmp.hrc"
47 : #include "sdresid.hxx"
48 : #include "strings.hrc"
49 : #include "app.hrc"
50 : #include "glob.hrc"
51 :
52 :
53 : using namespace ::com::sun::star;
54 : using namespace ::com::sun::star::drawing;
55 : using namespace ::com::sun::star::uno;
56 : using namespace ::sd::slidesorter::model;
57 : using namespace ::sd::slidesorter::view;
58 : using namespace ::sd::slidesorter::controller;
59 :
60 : namespace sd { namespace slidesorter { namespace controller {
61 :
62 :
63 : class SelectionManager::PageInsertionListener
64 : : public SfxListener
65 : {
66 : public:
67 :
68 : };
69 :
70 :
71 0 : SelectionManager::SelectionManager (SlideSorter& rSlideSorter)
72 : : mrSlideSorter(rSlideSorter),
73 0 : mrController(rSlideSorter.GetController()),
74 : maSelectionBeforeSwitch(),
75 : mbIsMakeSelectionVisiblePending(true),
76 : mnInsertionPosition(-1),
77 : mnAnimationId(Animator::NotAnAnimationId),
78 : maRequestedTopLeft(),
79 : mpPageInsertionListener(),
80 0 : mpSelectionObserver(new SelectionObserver(rSlideSorter))
81 : {
82 0 : }
83 :
84 :
85 :
86 :
87 0 : SelectionManager::~SelectionManager (void)
88 : {
89 0 : if (mnAnimationId != Animator::NotAnAnimationId)
90 0 : mrController.GetAnimator()->RemoveAnimation(mnAnimationId);
91 0 : }
92 :
93 :
94 :
95 :
96 0 : void SelectionManager::DeleteSelectedPages (const bool bSelectFollowingPage)
97 : {
98 : // Create some locks to prevent updates of the model, view, selection
99 : // state while modifying any of them.
100 0 : SlideSorterController::ModelChangeLock aLock (mrController);
101 0 : SlideSorterView::DrawLock aDrawLock (mrSlideSorter);
102 0 : PageSelector::UpdateLock aSelectionLock (mrSlideSorter);
103 :
104 : // Hide focus.
105 0 : bool bIsFocusShowing = mrController.GetFocusManager().IsFocusShowing();
106 0 : if (bIsFocusShowing)
107 0 : mrController.GetFocusManager().ToggleFocus();
108 :
109 : // Store pointers to all selected page descriptors. This is necessary
110 : // because the pages get deselected when the first one is deleted.
111 : model::PageEnumeration aPageEnumeration (
112 0 : PageEnumerationProvider::CreateSelectedPagesEnumeration(mrSlideSorter.GetModel()));
113 0 : ::std::vector<SdPage*> aSelectedPages;
114 0 : sal_Int32 nNewCurrentSlide (-1);
115 0 : while (aPageEnumeration.HasMoreElements())
116 : {
117 0 : SharedPageDescriptor pDescriptor (aPageEnumeration.GetNextElement());
118 0 : aSelectedPages.push_back(pDescriptor->GetPage());
119 0 : if (bSelectFollowingPage || nNewCurrentSlide<0)
120 0 : nNewCurrentSlide = pDescriptor->GetPageIndex();
121 0 : }
122 0 : if (aSelectedPages.empty())
123 0 : return;
124 :
125 : // Determine the slide to select (and thereby make the current slide)
126 : // after the deletion.
127 0 : if (bSelectFollowingPage)
128 0 : nNewCurrentSlide -= aSelectedPages.size() - 1;
129 : else
130 0 : --nNewCurrentSlide;
131 :
132 : // The actual deletion of the selected pages is done in one of two
133 : // helper functions. They are specialized for normal respectively for
134 : // master pages.
135 0 : mrSlideSorter.GetView().BegUndo (SdResId(STR_UNDO_DELETEPAGES));
136 0 : if (mrSlideSorter.GetModel().GetEditMode() == EM_PAGE)
137 0 : DeleteSelectedNormalPages(aSelectedPages);
138 : else
139 0 : DeleteSelectedMasterPages(aSelectedPages);
140 0 : mrSlideSorter.GetView().EndUndo ();
141 :
142 0 : mrController.HandleModelChange();
143 0 : aLock.Release();
144 :
145 : // Show focus and move it to next valid location.
146 0 : if (bIsFocusShowing)
147 0 : mrController.GetFocusManager().ToggleFocus();
148 :
149 : // Set the new current slide.
150 0 : if (nNewCurrentSlide < 0)
151 0 : nNewCurrentSlide = 0;
152 0 : else if (nNewCurrentSlide >= mrSlideSorter.GetModel().GetPageCount())
153 0 : nNewCurrentSlide = mrSlideSorter.GetModel().GetPageCount()-1;
154 0 : mrController.GetPageSelector().CountSelectedPages();
155 0 : mrController.GetPageSelector().SelectPage(nNewCurrentSlide);
156 0 : mrController.GetFocusManager().SetFocusedPage(nNewCurrentSlide);
157 : }
158 :
159 :
160 :
161 :
162 0 : void SelectionManager::DeleteSelectedNormalPages (const ::std::vector<SdPage*>& rSelectedPages)
163 : {
164 : // Prepare the deletion via the UNO API.
165 : OSL_ASSERT(mrSlideSorter.GetModel().GetEditMode() == EM_PAGE);
166 :
167 : try
168 : {
169 0 : Reference<drawing::XDrawPagesSupplier> xDrawPagesSupplier( mrSlideSorter.GetModel().GetDocument()->getUnoModel(), UNO_QUERY_THROW );
170 0 : Reference<drawing::XDrawPages> xPages( xDrawPagesSupplier->getDrawPages(), UNO_QUERY_THROW );
171 :
172 : // Iterate over all pages that where seleted when this method was called
173 : // and delete the draw page the notes page. The iteration is done in
174 : // reverse order so that when one slide is not deleted (to avoid an
175 : // empty document) the remaining slide is the first one.
176 0 : ::std::vector<SdPage*>::const_reverse_iterator aI;
177 0 : for (aI=rSelectedPages.rbegin(); aI!=rSelectedPages.rend(); ++aI)
178 : {
179 : // Do not delete the last slide in the document.
180 0 : if (xPages->getCount() <= 1)
181 0 : break;
182 :
183 0 : const sal_uInt16 nPage (model::FromCoreIndex((*aI)->GetPageNum()));
184 :
185 0 : Reference< XDrawPage > xPage( xPages->getByIndex( nPage ), UNO_QUERY_THROW );
186 0 : xPages->remove(xPage);
187 0 : }
188 : }
189 0 : catch( Exception& )
190 : {
191 : OSL_FAIL("SelectionManager::DeleteSelectedNormalPages(), exception caught!");
192 : }
193 0 : }
194 :
195 :
196 :
197 :
198 0 : void SelectionManager::DeleteSelectedMasterPages (const ::std::vector<SdPage*>& rSelectedPages)
199 : {
200 : // Prepare the deletion via the UNO API.
201 : OSL_ASSERT(mrSlideSorter.GetModel().GetEditMode() == EM_MASTERPAGE);
202 :
203 : try
204 : {
205 0 : Reference<drawing::XMasterPagesSupplier> xDrawPagesSupplier( mrSlideSorter.GetModel().GetDocument()->getUnoModel(), UNO_QUERY_THROW );
206 0 : Reference<drawing::XDrawPages> xPages( xDrawPagesSupplier->getMasterPages(), UNO_QUERY_THROW );
207 :
208 : // Iterate over all pages that where seleted when this method was called
209 : // and delete the draw page the notes page. The iteration is done in
210 : // reverse order so that when one slide is not deleted (to avoid an
211 : // empty document) the remaining slide is the first one.
212 0 : ::std::vector<SdPage*>::const_reverse_iterator aI;
213 0 : for (aI=rSelectedPages.rbegin(); aI!=rSelectedPages.rend(); ++aI)
214 : {
215 : // Do not delete the last slide in the document.
216 0 : if (xPages->getCount() <= 1)
217 0 : break;
218 :
219 0 : const sal_uInt16 nPage (model::FromCoreIndex((*aI)->GetPageNum()));
220 :
221 0 : Reference< XDrawPage > xPage( xPages->getByIndex( nPage ), UNO_QUERY_THROW );
222 0 : xPages->remove(xPage);
223 0 : }
224 : }
225 0 : catch( Exception& )
226 : {
227 : OSL_FAIL("SelectionManager::DeleteSelectedMasterPages(), exception caught!");
228 : }
229 0 : }
230 :
231 :
232 :
233 :
234 0 : void SelectionManager::SelectionHasChanged (const bool bMakeSelectionVisible)
235 : {
236 0 : if (bMakeSelectionVisible)
237 0 : mbIsMakeSelectionVisiblePending = true;
238 :
239 0 : ViewShell* pViewShell = mrSlideSorter.GetViewShell();
240 0 : if (pViewShell != NULL)
241 : {
242 0 : pViewShell->Invalidate (SID_EXPAND_PAGE);
243 0 : pViewShell->Invalidate (SID_SUMMARY_PAGE);
244 0 : pViewShell->Invalidate(SID_SHOW_SLIDE);
245 0 : pViewShell->Invalidate(SID_HIDE_SLIDE);
246 0 : pViewShell->Invalidate(SID_DELETE_PAGE);
247 0 : pViewShell->Invalidate(SID_DELETE_MASTER_PAGE);
248 0 : pViewShell->Invalidate(SID_ASSIGN_LAYOUT);
249 :
250 : // StatusBar
251 0 : pViewShell->Invalidate (SID_STATUS_PAGE);
252 0 : pViewShell->Invalidate (SID_STATUS_LAYOUT);
253 :
254 : OSL_ASSERT(mrController.GetCurrentSlideManager());
255 0 : SharedPageDescriptor pDescriptor(mrController.GetCurrentSlideManager()->GetCurrentSlide());
256 0 : if (pDescriptor.get() != NULL)
257 0 : pViewShell->UpdatePreview(pDescriptor->GetPage());
258 :
259 : // Tell the slection change listeners that the selection has changed.
260 0 : ::std::vector<Link>::iterator iListener (maSelectionChangeListeners.begin());
261 0 : ::std::vector<Link>::iterator iEnd (maSelectionChangeListeners.end());
262 0 : for (; iListener!=iEnd; ++iListener)
263 : {
264 0 : iListener->Call(NULL);
265 : }
266 :
267 : // Reset the insertion position: until set again it is calculated from
268 : // the current selection.
269 0 : mnInsertionPosition = -1;
270 : }
271 0 : }
272 :
273 :
274 :
275 :
276 0 : void SelectionManager::AddSelectionChangeListener (const Link& rListener)
277 : {
278 0 : if (::std::find (
279 : maSelectionChangeListeners.begin(),
280 : maSelectionChangeListeners.end(),
281 0 : rListener) == maSelectionChangeListeners.end())
282 : {
283 0 : maSelectionChangeListeners.push_back (rListener);
284 : }
285 0 : }
286 :
287 :
288 :
289 :
290 0 : void SelectionManager::RemoveSelectionChangeListener(const Link&rListener)
291 : {
292 : maSelectionChangeListeners.erase (
293 : ::std::find (
294 : maSelectionChangeListeners.begin(),
295 : maSelectionChangeListeners.end(),
296 0 : rListener));
297 0 : }
298 :
299 :
300 :
301 :
302 0 : sal_Int32 SelectionManager::GetInsertionPosition (void) const
303 : {
304 0 : sal_Int32 nInsertionPosition (mnInsertionPosition);
305 0 : if (nInsertionPosition < 0)
306 : {
307 : model::PageEnumeration aSelectedPages
308 : (model::PageEnumerationProvider::CreateSelectedPagesEnumeration(
309 0 : mrSlideSorter.GetModel()));
310 : // Initialize (for the case of an empty selection) with the position
311 : // at the end of the document.
312 0 : nInsertionPosition = mrSlideSorter.GetModel().GetPageCount();
313 0 : while (aSelectedPages.HasMoreElements())
314 : {
315 0 : const sal_Int32 nPosition (aSelectedPages.GetNextElement()->GetPage()->GetPageNum());
316 : // Convert *2+1 index to straight index (n-1)/2 after the page
317 : // (+1).
318 0 : nInsertionPosition = model::FromCoreIndex(nPosition) + 1;
319 0 : }
320 :
321 : }
322 0 : return nInsertionPosition;
323 : }
324 :
325 :
326 :
327 :
328 0 : void SelectionManager::SetInsertionPosition (const sal_Int32 nInsertionPosition)
329 : {
330 0 : if (nInsertionPosition < 0)
331 0 : mnInsertionPosition = -1;
332 0 : else if (nInsertionPosition > mrSlideSorter.GetModel().GetPageCount())
333 : {
334 : // Assert but then ignore invalid values.
335 : OSL_ASSERT(nInsertionPosition<=mrSlideSorter.GetModel().GetPageCount());
336 0 : return;
337 : }
338 : else
339 0 : mnInsertionPosition = nInsertionPosition;
340 : }
341 :
342 :
343 :
344 :
345 0 : ::boost::shared_ptr<SelectionObserver> SelectionManager::GetSelectionObserver (void) const
346 : {
347 0 : return mpSelectionObserver;
348 : }
349 :
350 : } } } // end of namespace ::sd::slidesorter
351 :
352 : /* vim:set shiftwidth=4 softtabstop=4 expandtab: */
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