1 /************************************************************** 2 * 3 * Licensed to the Apache Software Foundation (ASF) under one 4 * or more contributor license agreements. See the NOTICE file 5 * distributed with this work for additional information 6 * regarding copyright ownership. The ASF licenses this file 7 * to you under the Apache License, Version 2.0 (the 8 * "License"); you may not use this file except in compliance 9 * with the License. You may obtain a copy of the License at 10 * 11 * http://www.apache.org/licenses/LICENSE-2.0 12 * 13 * Unless required by applicable law or agreed to in writing, 14 * software distributed under the License is distributed on an 15 * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY 16 * KIND, either express or implied. See the License for the 17 * specific language governing permissions and limitations 18 * under the License. 19 * 20 *************************************************************/ 21 22 23 24 #include "precompiled_sd.hxx" 25 26 #include "controller/SlsSelectionManager.hxx" 27 28 #include "SlideSorter.hxx" 29 #include "SlsCommand.hxx" 30 #include "controller/SlideSorterController.hxx" 31 #include "controller/SlsAnimator.hxx" 32 #include "controller/SlsAnimationFunction.hxx" 33 #include "controller/SlsCurrentSlideManager.hxx" 34 #include "controller/SlsFocusManager.hxx" 35 #include "controller/SlsPageSelector.hxx" 36 #include "controller/SlsProperties.hxx" 37 #include "controller/SlsScrollBarManager.hxx" 38 #include "controller/SlsSlotManager.hxx" 39 #include "controller/SlsSelectionObserver.hxx" 40 #include "model/SlideSorterModel.hxx" 41 #include "model/SlsPageEnumerationProvider.hxx" 42 #include "model/SlsPageDescriptor.hxx" 43 #include "view/SlideSorterView.hxx" 44 #include "view/SlsLayouter.hxx" 45 #include "drawdoc.hxx" 46 #include "Window.hxx" 47 #include <svx/svxids.hrc> 48 #include <com/sun/star/drawing/XMasterPagesSupplier.hpp> 49 #include <com/sun/star/drawing/XDrawPagesSupplier.hpp> 50 51 #include "res_bmp.hrc" 52 #include "sdresid.hxx" 53 #include "strings.hrc" 54 #include "app.hrc" 55 #include "glob.hrc" 56 57 58 using namespace ::com::sun::star; 59 using namespace ::com::sun::star::drawing; 60 using namespace ::com::sun::star::uno; 61 using namespace ::sd::slidesorter::model; 62 using namespace ::sd::slidesorter::view; 63 using namespace ::sd::slidesorter::controller; 64 65 namespace sd { namespace slidesorter { namespace controller { 66 67 68 class SelectionManager::PageInsertionListener 69 : public SfxListener 70 { 71 public: 72 73 }; 74 75 76 SelectionManager::SelectionManager (SlideSorter& rSlideSorter) 77 : mrSlideSorter(rSlideSorter), 78 mrController(rSlideSorter.GetController()), 79 maSelectionBeforeSwitch(), 80 mbIsMakeSelectionVisiblePending(true), 81 mnInsertionPosition(-1), 82 mnAnimationId(Animator::NotAnAnimationId), 83 maRequestedTopLeft(), 84 mpPageInsertionListener(), 85 mpSelectionObserver(new SelectionObserver(rSlideSorter)) 86 { 87 } 88 89 90 91 92 SelectionManager::~SelectionManager (void) 93 { 94 if (mnAnimationId != Animator::NotAnAnimationId) 95 mrController.GetAnimator()->RemoveAnimation(mnAnimationId); 96 } 97 98 99 100 101 void SelectionManager::DeleteSelectedPages (const bool bSelectFollowingPage) 102 { 103 // Create some locks to prevent updates of the model, view, selection 104 // state while modifying any of them. 105 SlideSorterController::ModelChangeLock aLock (mrController); 106 SlideSorterView::DrawLock aDrawLock (mrSlideSorter); 107 PageSelector::UpdateLock aSelectionLock (mrSlideSorter); 108 109 // Hide focus. 110 bool bIsFocusShowing = mrController.GetFocusManager().IsFocusShowing(); 111 if (bIsFocusShowing) 112 mrController.GetFocusManager().ToggleFocus(); 113 114 // Store pointers to all selected page descriptors. This is necessary 115 // because the pages get deselected when the first one is deleted. 116 model::PageEnumeration aPageEnumeration ( 117 PageEnumerationProvider::CreateSelectedPagesEnumeration(mrSlideSorter.GetModel())); 118 ::std::vector<SdPage*> aSelectedPages; 119 sal_Int32 nNewCurrentSlide (-1); 120 while (aPageEnumeration.HasMoreElements()) 121 { 122 SharedPageDescriptor pDescriptor (aPageEnumeration.GetNextElement()); 123 aSelectedPages.push_back(pDescriptor->GetPage()); 124 if (bSelectFollowingPage || nNewCurrentSlide<0) 125 nNewCurrentSlide = pDescriptor->GetPageIndex(); 126 } 127 if (aSelectedPages.empty()) 128 return; 129 130 // Determine the slide to select (and thereby make the current slide) 131 // after the deletion. 132 if (bSelectFollowingPage) 133 nNewCurrentSlide -= aSelectedPages.size() - 1; 134 else 135 --nNewCurrentSlide; 136 137 // The actual deletion of the selected pages is done in one of two 138 // helper functions. They are specialized for normal respectively for 139 // master pages. 140 mrSlideSorter.GetView().BegUndo (SdResId(STR_UNDO_DELETEPAGES)); 141 if (mrSlideSorter.GetModel().GetEditMode() == EM_PAGE) 142 DeleteSelectedNormalPages(aSelectedPages); 143 else 144 DeleteSelectedMasterPages(aSelectedPages); 145 mrSlideSorter.GetView().EndUndo (); 146 147 mrController.HandleModelChange(); 148 aLock.Release(); 149 150 // Show focus and move it to next valid location. 151 if (bIsFocusShowing) 152 mrController.GetFocusManager().ToggleFocus(); 153 154 // Set the new current slide. 155 if (nNewCurrentSlide < 0) 156 nNewCurrentSlide = 0; 157 else if (nNewCurrentSlide >= mrSlideSorter.GetModel().GetPageCount()) 158 nNewCurrentSlide = mrSlideSorter.GetModel().GetPageCount()-1; 159 mrController.GetPageSelector().CountSelectedPages(); 160 mrController.GetPageSelector().SelectPage(nNewCurrentSlide); 161 mrController.GetFocusManager().SetFocusedPage(nNewCurrentSlide); 162 } 163 164 165 166 167 void SelectionManager::DeleteSelectedNormalPages (const ::std::vector<SdPage*>& rSelectedPages) 168 { 169 // Prepare the deletion via the UNO API. 170 OSL_ASSERT(mrSlideSorter.GetModel().GetEditMode() == EM_PAGE); 171 172 try 173 { 174 Reference<drawing::XDrawPagesSupplier> xDrawPagesSupplier( mrSlideSorter.GetModel().GetDocument()->getUnoModel(), UNO_QUERY_THROW ); 175 Reference<drawing::XDrawPages> xPages( xDrawPagesSupplier->getDrawPages(), UNO_QUERY_THROW ); 176 177 // Iterate over all pages that where seleted when this method was called 178 // and delete the draw page the notes page. The iteration is done in 179 // reverse order so that when one slide is not deleted (to avoid an 180 // empty document) the remaining slide is the first one. 181 ::std::vector<SdPage*>::const_reverse_iterator aI; 182 for (aI=rSelectedPages.rbegin(); aI!=rSelectedPages.rend(); aI++) 183 { 184 // Do not delete the last slide in the document. 185 if (xPages->getCount() <= 1) 186 break; 187 188 const sal_uInt16 nPage (model::FromCoreIndex((*aI)->GetPageNum())); 189 190 Reference< XDrawPage > xPage( xPages->getByIndex( nPage ), UNO_QUERY_THROW ); 191 xPages->remove(xPage); 192 } 193 } 194 catch( Exception& ) 195 { 196 DBG_ERROR("SelectionManager::DeleteSelectedNormalPages(), exception caught!"); 197 } 198 } 199 200 201 202 203 void SelectionManager::DeleteSelectedMasterPages (const ::std::vector<SdPage*>& rSelectedPages) 204 { 205 // Prepare the deletion via the UNO API. 206 OSL_ASSERT(mrSlideSorter.GetModel().GetEditMode() == EM_MASTERPAGE); 207 208 try 209 { 210 Reference<drawing::XMasterPagesSupplier> xDrawPagesSupplier( mrSlideSorter.GetModel().GetDocument()->getUnoModel(), UNO_QUERY_THROW ); 211 Reference<drawing::XDrawPages> xPages( xDrawPagesSupplier->getMasterPages(), UNO_QUERY_THROW ); 212 213 // Iterate over all pages that where seleted when this method was called 214 // and delete the draw page the notes page. The iteration is done in 215 // reverse order so that when one slide is not deleted (to avoid an 216 // empty document) the remaining slide is the first one. 217 ::std::vector<SdPage*>::const_reverse_iterator aI; 218 for (aI=rSelectedPages.rbegin(); aI!=rSelectedPages.rend(); aI++) 219 { 220 // Do not delete the last slide in the document. 221 if (xPages->getCount() <= 1) 222 break; 223 224 const sal_uInt16 nPage (model::FromCoreIndex((*aI)->GetPageNum())); 225 226 Reference< XDrawPage > xPage( xPages->getByIndex( nPage ), UNO_QUERY_THROW ); 227 xPages->remove(xPage); 228 } 229 } 230 catch( Exception& ) 231 { 232 DBG_ERROR("SelectionManager::DeleteSelectedMasterPages(), exception caught!"); 233 } 234 } 235 236 237 238 239 void SelectionManager::SelectionHasChanged (const bool bMakeSelectionVisible) 240 { 241 if (bMakeSelectionVisible) 242 mbIsMakeSelectionVisiblePending = true; 243 244 ViewShell* pViewShell = mrSlideSorter.GetViewShell(); 245 if (pViewShell != NULL) 246 { 247 pViewShell->Invalidate (SID_EXPAND_PAGE); 248 pViewShell->Invalidate (SID_SUMMARY_PAGE); 249 pViewShell->Invalidate(SID_SHOW_SLIDE); 250 pViewShell->Invalidate(SID_HIDE_SLIDE); 251 pViewShell->Invalidate(SID_DELETE_PAGE); 252 pViewShell->Invalidate(SID_DELETE_MASTER_PAGE); 253 pViewShell->Invalidate(SID_ASSIGN_LAYOUT); 254 255 // StatusBar 256 pViewShell->Invalidate (SID_STATUS_PAGE); 257 pViewShell->Invalidate (SID_STATUS_LAYOUT); 258 259 OSL_ASSERT(mrController.GetCurrentSlideManager()); 260 SharedPageDescriptor pDescriptor(mrController.GetCurrentSlideManager()->GetCurrentSlide()); 261 if (pDescriptor.get() != NULL) 262 pViewShell->UpdatePreview(pDescriptor->GetPage()); 263 264 // Tell the slection change listeners that the selection has changed. 265 ::std::vector<Link>::iterator iListener (maSelectionChangeListeners.begin()); 266 ::std::vector<Link>::iterator iEnd (maSelectionChangeListeners.end()); 267 for (; iListener!=iEnd; ++iListener) 268 { 269 iListener->Call(NULL); 270 } 271 272 // Reset the insertion position: until set again it is calculated from 273 // the current selection. 274 mnInsertionPosition = -1; 275 } 276 } 277 278 279 280 281 void SelectionManager::AddSelectionChangeListener (const Link& rListener) 282 { 283 if (::std::find ( 284 maSelectionChangeListeners.begin(), 285 maSelectionChangeListeners.end(), 286 rListener) == maSelectionChangeListeners.end()) 287 { 288 maSelectionChangeListeners.push_back (rListener); 289 } 290 } 291 292 293 294 295 void SelectionManager::RemoveSelectionChangeListener(const Link&rListener) 296 { 297 maSelectionChangeListeners.erase ( 298 ::std::find ( 299 maSelectionChangeListeners.begin(), 300 maSelectionChangeListeners.end(), 301 rListener)); 302 } 303 304 305 306 307 sal_Int32 SelectionManager::GetInsertionPosition (void) const 308 { 309 sal_Int32 nInsertionPosition (mnInsertionPosition); 310 if (nInsertionPosition < 0) 311 { 312 model::PageEnumeration aSelectedPages 313 (model::PageEnumerationProvider::CreateSelectedPagesEnumeration( 314 mrSlideSorter.GetModel())); 315 // Initialize (for the case of an empty selection) with the position 316 // at the end of the document. 317 nInsertionPosition = mrSlideSorter.GetModel().GetPageCount(); 318 while (aSelectedPages.HasMoreElements()) 319 { 320 const sal_Int32 nPosition (aSelectedPages.GetNextElement()->GetPage()->GetPageNum()); 321 // Convert *2+1 index to straight index (n-1)/2 after the page 322 // (+1). 323 nInsertionPosition = model::FromCoreIndex(nPosition) + 1; 324 } 325 326 } 327 return nInsertionPosition; 328 } 329 330 331 332 333 void SelectionManager::SetInsertionPosition (const sal_Int32 nInsertionPosition) 334 { 335 if (nInsertionPosition < 0) 336 mnInsertionPosition = -1; 337 else if (nInsertionPosition > mrSlideSorter.GetModel().GetPageCount()) 338 { 339 // Assert but then ignore invalid values. 340 OSL_ASSERT(nInsertionPosition<=mrSlideSorter.GetModel().GetPageCount()); 341 return; 342 } 343 else 344 mnInsertionPosition = nInsertionPosition; 345 } 346 347 348 349 350 ::boost::shared_ptr<SelectionObserver> SelectionManager::GetSelectionObserver (void) const 351 { 352 return mpSelectionObserver; 353 } 354 355 } } } // end of namespace ::sd::slidesorter 356