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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 : #include "controller/SlsSelectionManager.hxx"
21 :
22 : #include "SlideSorter.hxx"
23 : #include "SlsCommand.hxx"
24 : #include "controller/SlideSorterController.hxx"
25 : #include "controller/SlsAnimator.hxx"
26 : #include "controller/SlsAnimationFunction.hxx"
27 : #include "controller/SlsCurrentSlideManager.hxx"
28 : #include "controller/SlsFocusManager.hxx"
29 : #include "controller/SlsPageSelector.hxx"
30 : #include "controller/SlsProperties.hxx"
31 : #include "controller/SlsScrollBarManager.hxx"
32 : #include "controller/SlsSlotManager.hxx"
33 : #include "controller/SlsSelectionObserver.hxx"
34 : #include "model/SlideSorterModel.hxx"
35 : #include "model/SlsPageEnumerationProvider.hxx"
36 : #include "model/SlsPageDescriptor.hxx"
37 : #include "view/SlideSorterView.hxx"
38 : #include "view/SlsLayouter.hxx"
39 : #include "drawdoc.hxx"
40 : #include "Window.hxx"
41 : #include <svx/svxids.hrc>
42 : #include <com/sun/star/drawing/XMasterPagesSupplier.hpp>
43 : #include <com/sun/star/drawing/XDrawPagesSupplier.hpp>
44 :
45 : #include "res_bmp.hrc"
46 : #include "sdresid.hxx"
47 : #include "strings.hrc"
48 : #include "app.hrc"
49 : #include "glob.hrc"
50 :
51 : using namespace ::com::sun::star;
52 : using namespace ::com::sun::star::drawing;
53 : using namespace ::com::sun::star::uno;
54 : using namespace ::sd::slidesorter::model;
55 : using namespace ::sd::slidesorter::view;
56 : using namespace ::sd::slidesorter::controller;
57 :
58 : namespace sd { namespace slidesorter { namespace controller {
59 :
60 : class SelectionManager::PageInsertionListener
61 : : public SfxListener
62 : {
63 : public:
64 :
65 : };
66 :
67 126 : SelectionManager::SelectionManager (SlideSorter& rSlideSorter)
68 : : mrSlideSorter(rSlideSorter),
69 126 : mrController(rSlideSorter.GetController()),
70 : maSelectionBeforeSwitch(),
71 : mbIsMakeSelectionVisiblePending(true),
72 : mnInsertionPosition(-1),
73 : mnAnimationId(Animator::NotAnAnimationId),
74 : mpPageInsertionListener(),
75 252 : mpSelectionObserver(new SelectionObserver(rSlideSorter))
76 : {
77 126 : }
78 :
79 252 : SelectionManager::~SelectionManager (void)
80 : {
81 126 : if (mnAnimationId != Animator::NotAnAnimationId)
82 0 : mrController.GetAnimator()->RemoveAnimation(mnAnimationId);
83 126 : }
84 :
85 0 : void SelectionManager::DeleteSelectedPages (const bool bSelectFollowingPage)
86 : {
87 : // Create some locks to prevent updates of the model, view, selection
88 : // state while modifying any of them.
89 0 : SlideSorterController::ModelChangeLock aLock (mrController);
90 0 : SlideSorterView::DrawLock aDrawLock (mrSlideSorter);
91 0 : PageSelector::UpdateLock aSelectionLock (mrSlideSorter);
92 :
93 : // Hide focus.
94 0 : bool bIsFocusShowing = mrController.GetFocusManager().IsFocusShowing();
95 0 : if (bIsFocusShowing)
96 0 : mrController.GetFocusManager().ToggleFocus();
97 :
98 : // Store pointers to all selected page descriptors. This is necessary
99 : // because the pages get deselected when the first one is deleted.
100 : model::PageEnumeration aPageEnumeration (
101 0 : PageEnumerationProvider::CreateSelectedPagesEnumeration(mrSlideSorter.GetModel()));
102 0 : ::std::vector<SdPage*> aSelectedPages;
103 0 : sal_Int32 nNewCurrentSlide (-1);
104 0 : while (aPageEnumeration.HasMoreElements())
105 : {
106 0 : SharedPageDescriptor pDescriptor (aPageEnumeration.GetNextElement());
107 0 : aSelectedPages.push_back(pDescriptor->GetPage());
108 0 : if (bSelectFollowingPage || nNewCurrentSlide<0)
109 0 : nNewCurrentSlide = pDescriptor->GetPageIndex();
110 0 : }
111 0 : if (aSelectedPages.empty())
112 0 : return;
113 :
114 : // Determine the slide to select (and thereby make the current slide)
115 : // after the deletion.
116 0 : if (bSelectFollowingPage)
117 0 : nNewCurrentSlide -= aSelectedPages.size() - 1;
118 : else
119 0 : --nNewCurrentSlide;
120 :
121 : // The actual deletion of the selected pages is done in one of two
122 : // helper functions. They are specialized for normal respectively for
123 : // master pages.
124 0 : mrSlideSorter.GetView().BegUndo (SdResId(STR_UNDO_DELETEPAGES));
125 0 : if (mrSlideSorter.GetModel().GetEditMode() == EM_PAGE)
126 0 : DeleteSelectedNormalPages(aSelectedPages);
127 : else
128 0 : DeleteSelectedMasterPages(aSelectedPages);
129 0 : mrSlideSorter.GetView().EndUndo ();
130 :
131 0 : mrController.HandleModelChange();
132 0 : aLock.Release();
133 :
134 : // Show focus and move it to next valid location.
135 0 : if (bIsFocusShowing)
136 0 : mrController.GetFocusManager().ToggleFocus();
137 :
138 : // Set the new current slide.
139 0 : if (nNewCurrentSlide < 0)
140 0 : nNewCurrentSlide = 0;
141 0 : else if (nNewCurrentSlide >= mrSlideSorter.GetModel().GetPageCount())
142 0 : nNewCurrentSlide = mrSlideSorter.GetModel().GetPageCount()-1;
143 0 : mrController.GetPageSelector().CountSelectedPages();
144 0 : mrController.GetPageSelector().SelectPage(nNewCurrentSlide);
145 0 : mrController.GetFocusManager().SetFocusedPage(nNewCurrentSlide);
146 : }
147 :
148 0 : void SelectionManager::DeleteSelectedNormalPages (const ::std::vector<SdPage*>& rSelectedPages)
149 : {
150 : // Prepare the deletion via the UNO API.
151 : OSL_ASSERT(mrSlideSorter.GetModel().GetEditMode() == EM_PAGE);
152 :
153 : try
154 : {
155 0 : Reference<drawing::XDrawPagesSupplier> xDrawPagesSupplier( mrSlideSorter.GetModel().GetDocument()->getUnoModel(), UNO_QUERY_THROW );
156 0 : Reference<drawing::XDrawPages> xPages( xDrawPagesSupplier->getDrawPages(), UNO_QUERY_THROW );
157 :
158 : // Iterate over all pages that where seleted when this method was called
159 : // and delete the draw page the notes page. The iteration is done in
160 : // reverse order so that when one slide is not deleted (to avoid an
161 : // empty document) the remaining slide is the first one.
162 0 : ::std::vector<SdPage*>::const_reverse_iterator aI;
163 0 : for (aI=rSelectedPages.rbegin(); aI!=rSelectedPages.rend(); ++aI)
164 : {
165 : // Do not delete the last slide in the document.
166 0 : if (xPages->getCount() <= 1)
167 0 : break;
168 :
169 0 : const sal_uInt16 nPage (model::FromCoreIndex((*aI)->GetPageNum()));
170 :
171 0 : Reference< XDrawPage > xPage( xPages->getByIndex( nPage ), UNO_QUERY_THROW );
172 0 : xPages->remove(xPage);
173 0 : }
174 : }
175 0 : catch( Exception& )
176 : {
177 : OSL_FAIL("SelectionManager::DeleteSelectedNormalPages(), exception caught!");
178 : }
179 0 : }
180 :
181 0 : void SelectionManager::DeleteSelectedMasterPages (const ::std::vector<SdPage*>& rSelectedPages)
182 : {
183 : // Prepare the deletion via the UNO API.
184 : OSL_ASSERT(mrSlideSorter.GetModel().GetEditMode() == EM_MASTERPAGE);
185 :
186 : try
187 : {
188 0 : Reference<drawing::XMasterPagesSupplier> xDrawPagesSupplier( mrSlideSorter.GetModel().GetDocument()->getUnoModel(), UNO_QUERY_THROW );
189 0 : Reference<drawing::XDrawPages> xPages( xDrawPagesSupplier->getMasterPages(), UNO_QUERY_THROW );
190 :
191 : // Iterate over all pages that where seleted when this method was called
192 : // and delete the draw page the notes page. The iteration is done in
193 : // reverse order so that when one slide is not deleted (to avoid an
194 : // empty document) the remaining slide is the first one.
195 0 : ::std::vector<SdPage*>::const_reverse_iterator aI;
196 0 : for (aI=rSelectedPages.rbegin(); aI!=rSelectedPages.rend(); ++aI)
197 : {
198 : // Do not delete the last slide in the document.
199 0 : if (xPages->getCount() <= 1)
200 0 : break;
201 :
202 0 : const sal_uInt16 nPage (model::FromCoreIndex((*aI)->GetPageNum()));
203 :
204 0 : Reference< XDrawPage > xPage( xPages->getByIndex( nPage ), UNO_QUERY_THROW );
205 0 : xPages->remove(xPage);
206 0 : }
207 : }
208 0 : catch( Exception& )
209 : {
210 : OSL_FAIL("SelectionManager::DeleteSelectedMasterPages(), exception caught!");
211 : }
212 0 : }
213 :
214 386 : void SelectionManager::SelectionHasChanged (const bool bMakeSelectionVisible)
215 : {
216 386 : if (bMakeSelectionVisible)
217 386 : mbIsMakeSelectionVisiblePending = true;
218 :
219 386 : ViewShell* pViewShell = mrSlideSorter.GetViewShell();
220 386 : if (pViewShell != NULL)
221 : {
222 386 : pViewShell->Invalidate (SID_EXPAND_PAGE);
223 386 : pViewShell->Invalidate (SID_SUMMARY_PAGE);
224 386 : pViewShell->Invalidate(SID_SHOW_SLIDE);
225 386 : pViewShell->Invalidate(SID_HIDE_SLIDE);
226 386 : pViewShell->Invalidate(SID_DELETE_PAGE);
227 386 : pViewShell->Invalidate(SID_DELETE_MASTER_PAGE);
228 386 : pViewShell->Invalidate(SID_ASSIGN_LAYOUT);
229 :
230 : // StatusBar
231 386 : pViewShell->Invalidate (SID_STATUS_PAGE);
232 386 : pViewShell->Invalidate (SID_STATUS_LAYOUT);
233 :
234 : OSL_ASSERT(mrController.GetCurrentSlideManager());
235 386 : SharedPageDescriptor pDescriptor(mrController.GetCurrentSlideManager()->GetCurrentSlide());
236 386 : if (pDescriptor.get() != NULL)
237 134 : pViewShell->UpdatePreview(pDescriptor->GetPage());
238 :
239 : // Tell the slection change listeners that the selection has changed.
240 386 : ::std::vector<Link>::iterator iListener (maSelectionChangeListeners.begin());
241 386 : ::std::vector<Link>::iterator iEnd (maSelectionChangeListeners.end());
242 394 : for (; iListener!=iEnd; ++iListener)
243 : {
244 8 : iListener->Call(NULL);
245 : }
246 :
247 : // Reset the insertion position: until set again it is calculated from
248 : // the current selection.
249 386 : mnInsertionPosition = -1;
250 : }
251 386 : }
252 :
253 126 : void SelectionManager::AddSelectionChangeListener (const Link& rListener)
254 : {
255 252 : if (::std::find (
256 : maSelectionChangeListeners.begin(),
257 : maSelectionChangeListeners.end(),
258 252 : rListener) == maSelectionChangeListeners.end())
259 : {
260 126 : maSelectionChangeListeners.push_back (rListener);
261 : }
262 126 : }
263 :
264 126 : void SelectionManager::RemoveSelectionChangeListener(const Link&rListener)
265 : {
266 : maSelectionChangeListeners.erase (
267 : ::std::find (
268 : maSelectionChangeListeners.begin(),
269 : maSelectionChangeListeners.end(),
270 126 : rListener));
271 126 : }
272 :
273 0 : sal_Int32 SelectionManager::GetInsertionPosition (void) const
274 : {
275 0 : sal_Int32 nInsertionPosition (mnInsertionPosition);
276 0 : if (nInsertionPosition < 0)
277 : {
278 : model::PageEnumeration aSelectedPages
279 : (model::PageEnumerationProvider::CreateSelectedPagesEnumeration(
280 0 : mrSlideSorter.GetModel()));
281 : // Initialize (for the case of an empty selection) with the position
282 : // at the end of the document.
283 0 : nInsertionPosition = mrSlideSorter.GetModel().GetPageCount();
284 0 : while (aSelectedPages.HasMoreElements())
285 : {
286 0 : const sal_Int32 nPosition (aSelectedPages.GetNextElement()->GetPage()->GetPageNum());
287 : // Convert *2+1 index to straight index (n-1)/2 after the page
288 : // (+1).
289 0 : nInsertionPosition = model::FromCoreIndex(nPosition) + 1;
290 0 : }
291 :
292 : }
293 0 : return nInsertionPosition;
294 : }
295 :
296 0 : void SelectionManager::SetInsertionPosition (const sal_Int32 nInsertionPosition)
297 : {
298 0 : if (nInsertionPosition < 0)
299 0 : mnInsertionPosition = -1;
300 0 : else if (nInsertionPosition > mrSlideSorter.GetModel().GetPageCount())
301 : {
302 : // Assert but then ignore invalid values.
303 : OSL_ASSERT(nInsertionPosition<=mrSlideSorter.GetModel().GetPageCount());
304 0 : return;
305 : }
306 : else
307 0 : mnInsertionPosition = nInsertionPosition;
308 : }
309 :
310 114 : } } } // end of namespace ::sd::slidesorter
311 :
312 : /* vim:set shiftwidth=4 softtabstop=4 expandtab: */
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