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If not, see 23 * <http://www.openoffice.org/license.html> 24 * for a copy of the LGPLv3 License. 25 * 26 ************************************************************************/ 27 28 #include "precompiled_sd.hxx" 29 30 #include "controller/SlsSelectionManager.hxx" 31 32 #include "SlideSorter.hxx" 33 #include "SlsCommand.hxx" 34 #include "controller/SlideSorterController.hxx" 35 #include "controller/SlsAnimator.hxx" 36 #include "controller/SlsAnimationFunction.hxx" 37 #include "controller/SlsCurrentSlideManager.hxx" 38 #include "controller/SlsFocusManager.hxx" 39 #include "controller/SlsPageSelector.hxx" 40 #include "controller/SlsProperties.hxx" 41 #include "controller/SlsScrollBarManager.hxx" 42 #include "controller/SlsSlotManager.hxx" 43 #include "controller/SlsSelectionObserver.hxx" 44 #include "model/SlideSorterModel.hxx" 45 #include "model/SlsPageEnumerationProvider.hxx" 46 #include "model/SlsPageDescriptor.hxx" 47 #include "view/SlideSorterView.hxx" 48 #include "view/SlsLayouter.hxx" 49 #include "drawdoc.hxx" 50 #include "Window.hxx" 51 #include <svx/svxids.hrc> 52 #include <com/sun/star/drawing/XMasterPagesSupplier.hpp> 53 #include <com/sun/star/drawing/XDrawPagesSupplier.hpp> 54 55 #include "res_bmp.hrc" 56 #include "sdresid.hxx" 57 #include "strings.hrc" 58 #include "app.hrc" 59 #include "glob.hrc" 60 61 62 using namespace ::com::sun::star; 63 using namespace ::com::sun::star::drawing; 64 using namespace ::com::sun::star::uno; 65 using namespace ::sd::slidesorter::model; 66 using namespace ::sd::slidesorter::view; 67 using namespace ::sd::slidesorter::controller; 68 69 namespace sd { namespace slidesorter { namespace controller { 70 71 72 class SelectionManager::PageInsertionListener 73 : public SfxListener 74 { 75 public: 76 77 }; 78 79 80 SelectionManager::SelectionManager (SlideSorter& rSlideSorter) 81 : mrSlideSorter(rSlideSorter), 82 mrController(rSlideSorter.GetController()), 83 maSelectionBeforeSwitch(), 84 mbIsMakeSelectionVisiblePending(true), 85 mnInsertionPosition(-1), 86 mnAnimationId(Animator::NotAnAnimationId), 87 maRequestedTopLeft(), 88 mpPageInsertionListener(), 89 mpSelectionObserver(new SelectionObserver(rSlideSorter)) 90 { 91 } 92 93 94 95 96 SelectionManager::~SelectionManager (void) 97 { 98 if (mnAnimationId != Animator::NotAnAnimationId) 99 mrController.GetAnimator()->RemoveAnimation(mnAnimationId); 100 } 101 102 103 104 105 void SelectionManager::DeleteSelectedPages (const bool bSelectFollowingPage) 106 { 107 // Create some locks to prevent updates of the model, view, selection 108 // state while modifying any of them. 109 SlideSorterController::ModelChangeLock aLock (mrController); 110 SlideSorterView::DrawLock aDrawLock (mrSlideSorter); 111 PageSelector::UpdateLock aSelectionLock (mrSlideSorter); 112 113 // Hide focus. 114 bool bIsFocusShowing = mrController.GetFocusManager().IsFocusShowing(); 115 if (bIsFocusShowing) 116 mrController.GetFocusManager().ToggleFocus(); 117 118 // Store pointers to all selected page descriptors. This is necessary 119 // because the pages get deselected when the first one is deleted. 120 model::PageEnumeration aPageEnumeration ( 121 PageEnumerationProvider::CreateSelectedPagesEnumeration(mrSlideSorter.GetModel())); 122 ::std::vector<SdPage*> aSelectedPages; 123 sal_Int32 nNewCurrentSlide (-1); 124 while (aPageEnumeration.HasMoreElements()) 125 { 126 SharedPageDescriptor pDescriptor (aPageEnumeration.GetNextElement()); 127 aSelectedPages.push_back(pDescriptor->GetPage()); 128 if (bSelectFollowingPage || nNewCurrentSlide<0) 129 nNewCurrentSlide = pDescriptor->GetPageIndex(); 130 } 131 if (aSelectedPages.empty()) 132 return; 133 134 // Determine the slide to select (and thereby make the current slide) 135 // after the deletion. 136 if (bSelectFollowingPage) 137 nNewCurrentSlide -= aSelectedPages.size() - 1; 138 else 139 --nNewCurrentSlide; 140 141 // The actual deletion of the selected pages is done in one of two 142 // helper functions. They are specialized for normal respectively for 143 // master pages. 144 mrSlideSorter.GetView().BegUndo (SdResId(STR_UNDO_DELETEPAGES)); 145 if (mrSlideSorter.GetModel().GetEditMode() == EM_PAGE) 146 DeleteSelectedNormalPages(aSelectedPages); 147 else 148 DeleteSelectedMasterPages(aSelectedPages); 149 mrSlideSorter.GetView().EndUndo (); 150 151 mrController.HandleModelChange(); 152 aLock.Release(); 153 154 // Show focus and move it to next valid location. 155 if (bIsFocusShowing) 156 mrController.GetFocusManager().ToggleFocus(); 157 158 // Set the new current slide. 159 if (nNewCurrentSlide < 0) 160 nNewCurrentSlide = 0; 161 else if (nNewCurrentSlide >= mrSlideSorter.GetModel().GetPageCount()) 162 nNewCurrentSlide = mrSlideSorter.GetModel().GetPageCount()-1; 163 mrController.GetPageSelector().CountSelectedPages(); 164 mrController.GetPageSelector().SelectPage(nNewCurrentSlide); 165 mrController.GetFocusManager().SetFocusedPage(nNewCurrentSlide); 166 } 167 168 169 170 171 void SelectionManager::DeleteSelectedNormalPages (const ::std::vector<SdPage*>& rSelectedPages) 172 { 173 // Prepare the deletion via the UNO API. 174 OSL_ASSERT(mrSlideSorter.GetModel().GetEditMode() == EM_PAGE); 175 176 try 177 { 178 Reference<drawing::XDrawPagesSupplier> xDrawPagesSupplier( mrSlideSorter.GetModel().GetDocument()->getUnoModel(), UNO_QUERY_THROW ); 179 Reference<drawing::XDrawPages> xPages( xDrawPagesSupplier->getDrawPages(), UNO_QUERY_THROW ); 180 181 // Iterate over all pages that where seleted when this method was called 182 // and delete the draw page the notes page. The iteration is done in 183 // reverse order so that when one slide is not deleted (to avoid an 184 // empty document) the remaining slide is the first one. 185 ::std::vector<SdPage*>::const_reverse_iterator aI; 186 for (aI=rSelectedPages.rbegin(); aI!=rSelectedPages.rend(); aI++) 187 { 188 // Do not delete the last slide in the document. 189 if (xPages->getCount() <= 1) 190 break; 191 192 const sal_uInt16 nPage (model::FromCoreIndex((*aI)->GetPageNum())); 193 194 Reference< XDrawPage > xPage( xPages->getByIndex( nPage ), UNO_QUERY_THROW ); 195 xPages->remove(xPage); 196 } 197 } 198 catch( Exception& ) 199 { 200 DBG_ERROR("SelectionManager::DeleteSelectedNormalPages(), exception caught!"); 201 } 202 } 203 204 205 206 207 void SelectionManager::DeleteSelectedMasterPages (const ::std::vector<SdPage*>& rSelectedPages) 208 { 209 // Prepare the deletion via the UNO API. 210 OSL_ASSERT(mrSlideSorter.GetModel().GetEditMode() == EM_MASTERPAGE); 211 212 try 213 { 214 Reference<drawing::XMasterPagesSupplier> xDrawPagesSupplier( mrSlideSorter.GetModel().GetDocument()->getUnoModel(), UNO_QUERY_THROW ); 215 Reference<drawing::XDrawPages> xPages( xDrawPagesSupplier->getMasterPages(), UNO_QUERY_THROW ); 216 217 // Iterate over all pages that where seleted when this method was called 218 // and delete the draw page the notes page. The iteration is done in 219 // reverse order so that when one slide is not deleted (to avoid an 220 // empty document) the remaining slide is the first one. 221 ::std::vector<SdPage*>::const_reverse_iterator aI; 222 for (aI=rSelectedPages.rbegin(); aI!=rSelectedPages.rend(); aI++) 223 { 224 // Do not delete the last slide in the document. 225 if (xPages->getCount() <= 1) 226 break; 227 228 const sal_uInt16 nPage (model::FromCoreIndex((*aI)->GetPageNum())); 229 230 Reference< XDrawPage > xPage( xPages->getByIndex( nPage ), UNO_QUERY_THROW ); 231 xPages->remove(xPage); 232 } 233 } 234 catch( Exception& ) 235 { 236 DBG_ERROR("SelectionManager::DeleteSelectedMasterPages(), exception caught!"); 237 } 238 } 239 240 241 242 243 void SelectionManager::SelectionHasChanged (const bool bMakeSelectionVisible) 244 { 245 if (bMakeSelectionVisible) 246 mbIsMakeSelectionVisiblePending = true; 247 248 ViewShell* pViewShell = mrSlideSorter.GetViewShell(); 249 if (pViewShell != NULL) 250 { 251 pViewShell->Invalidate (SID_EXPAND_PAGE); 252 pViewShell->Invalidate (SID_SUMMARY_PAGE); 253 pViewShell->Invalidate(SID_SHOW_SLIDE); 254 pViewShell->Invalidate(SID_HIDE_SLIDE); 255 pViewShell->Invalidate(SID_DELETE_PAGE); 256 pViewShell->Invalidate(SID_DELETE_MASTER_PAGE); 257 pViewShell->Invalidate(SID_ASSIGN_LAYOUT); 258 259 // StatusBar 260 pViewShell->Invalidate (SID_STATUS_PAGE); 261 pViewShell->Invalidate (SID_STATUS_LAYOUT); 262 263 OSL_ASSERT(mrController.GetCurrentSlideManager()); 264 SharedPageDescriptor pDescriptor(mrController.GetCurrentSlideManager()->GetCurrentSlide()); 265 if (pDescriptor.get() != NULL) 266 pViewShell->UpdatePreview(pDescriptor->GetPage()); 267 268 // Tell the slection change listeners that the selection has changed. 269 ::std::vector<Link>::iterator iListener (maSelectionChangeListeners.begin()); 270 ::std::vector<Link>::iterator iEnd (maSelectionChangeListeners.end()); 271 for (; iListener!=iEnd; ++iListener) 272 { 273 iListener->Call(NULL); 274 } 275 276 // Reset the insertion position: until set again it is calculated from 277 // the current selection. 278 mnInsertionPosition = -1; 279 } 280 } 281 282 283 284 285 void SelectionManager::AddSelectionChangeListener (const Link& rListener) 286 { 287 if (::std::find ( 288 maSelectionChangeListeners.begin(), 289 maSelectionChangeListeners.end(), 290 rListener) == maSelectionChangeListeners.end()) 291 { 292 maSelectionChangeListeners.push_back (rListener); 293 } 294 } 295 296 297 298 299 void SelectionManager::RemoveSelectionChangeListener(const Link&rListener) 300 { 301 maSelectionChangeListeners.erase ( 302 ::std::find ( 303 maSelectionChangeListeners.begin(), 304 maSelectionChangeListeners.end(), 305 rListener)); 306 } 307 308 309 310 311 sal_Int32 SelectionManager::GetInsertionPosition (void) const 312 { 313 sal_Int32 nInsertionPosition (mnInsertionPosition); 314 if (nInsertionPosition < 0) 315 { 316 model::PageEnumeration aSelectedPages 317 (model::PageEnumerationProvider::CreateSelectedPagesEnumeration( 318 mrSlideSorter.GetModel())); 319 // Initialize (for the case of an empty selection) with the position 320 // at the end of the document. 321 nInsertionPosition = mrSlideSorter.GetModel().GetPageCount(); 322 while (aSelectedPages.HasMoreElements()) 323 { 324 const sal_Int32 nPosition (aSelectedPages.GetNextElement()->GetPage()->GetPageNum()); 325 // Convert *2+1 index to straight index (n-1)/2 after the page 326 // (+1). 327 nInsertionPosition = model::FromCoreIndex(nPosition) + 1; 328 } 329 330 } 331 return nInsertionPosition; 332 } 333 334 335 336 337 void SelectionManager::SetInsertionPosition (const sal_Int32 nInsertionPosition) 338 { 339 if (nInsertionPosition < 0) 340 mnInsertionPosition = -1; 341 else if (nInsertionPosition > mrSlideSorter.GetModel().GetPageCount()) 342 { 343 // Assert but then ignore invalid values. 344 OSL_ASSERT(nInsertionPosition<=mrSlideSorter.GetModel().GetPageCount()); 345 return; 346 } 347 else 348 mnInsertionPosition = nInsertionPosition; 349 } 350 351 352 353 354 ::boost::shared_ptr<SelectionObserver> SelectionManager::GetSelectionObserver (void) const 355 { 356 return mpSelectionObserver; 357 } 358 359 } } } // end of namespace ::sd::slidesorter 360