| /************************************************************** |
| * |
| * Licensed to the Apache Software Foundation (ASF) under one |
| * or more contributor license agreements. See the NOTICE file |
| * distributed with this work for additional information |
| * regarding copyright ownership. The ASF licenses this file |
| * to you under the Apache License, Version 2.0 (the |
| * "License"); you may not use this file except in compliance |
| * with the License. You may obtain a copy of the License at |
| * |
| * http://www.apache.org/licenses/LICENSE-2.0 |
| * |
| * Unless required by applicable law or agreed to in writing, |
| * software distributed under the License is distributed on an |
| * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY |
| * KIND, either express or implied. See the License for the |
| * specific language governing permissions and limitations |
| * under the License. |
| * |
| *************************************************************/ |
| |
| |
| |
| // MARKER(update_precomp.py): autogen include statement, do not remove |
| #include "precompiled_svx.hxx" |
| #include <svx/sdr/contact/viewcontact.hxx> |
| #include <svx/sdr/contact/viewobjectcontact.hxx> |
| #include <svx/sdr/contact/objectcontact.hxx> |
| #include <basegfx/polygon/b2dpolygon.hxx> |
| #include <basegfx/polygon/b2dpolygontools.hxx> |
| #include <basegfx/color/bcolor.hxx> |
| #include <drawinglayer/primitive2d/polygonprimitive2d.hxx> |
| #include <basegfx/matrix/b2dhommatrix.hxx> |
| #include <svx/sdr/contact/objectcontactofpageview.hxx> |
| |
| ////////////////////////////////////////////////////////////////////////////// |
| |
| namespace sdr |
| { |
| namespace contact |
| { |
| // Create a Object-Specific ViewObjectContact, set ViewContact and |
| // ObjectContact. Always needs to return something. Default is to create |
| // a standard ViewObjectContact containing the given ObjectContact and *this |
| ViewObjectContact& ViewContact::CreateObjectSpecificViewObjectContact(ObjectContact& rObjectContact) |
| { |
| return *(new ViewObjectContact(rObjectContact, *this)); |
| } |
| |
| ViewContact::ViewContact() |
| : maViewObjectContactVector(), |
| mxViewIndependentPrimitive2DSequence() |
| { |
| } |
| |
| // Methods to react on start getting viewed or stop getting |
| // viewed. This info is derived from the count of members of |
| // registered ViewObjectContacts. Default does nothing. |
| void ViewContact::StartGettingViewed() |
| { |
| } |
| |
| void ViewContact::StopGettingViewed() |
| { |
| } |
| |
| ViewContact::~ViewContact() |
| { |
| deleteAllVOCs(); |
| } |
| |
| void ViewContact::deleteAllVOCs() |
| { |
| // get rid of all VOCs |
| // #i84257# To avoid that each 'delete pCandidate' again uses |
| // the local RemoveViewObjectContact with a search and removal in the |
| // vector, simply copy and clear local vector. |
| std::vector< ViewObjectContact* > aLocalVOCList(maViewObjectContactVector); |
| maViewObjectContactVector.clear(); |
| |
| while(!aLocalVOCList.empty()) |
| { |
| ViewObjectContact* pCandidate = aLocalVOCList.back(); |
| aLocalVOCList.pop_back(); |
| DBG_ASSERT(pCandidate, "Corrupted ViewObjectContactList in VC (!)"); |
| |
| // ViewObjectContacts only make sense with View and Object contacts. |
| // When the contact to the SdrObject is deleted like in this case, |
| // all ViewObjectContacts can be deleted, too. |
| delete pCandidate; |
| } |
| |
| // assert when there were new entries added during deletion |
| DBG_ASSERT(maViewObjectContactVector.empty(), "Corrupted ViewObjectContactList in VC (!)"); |
| } |
| |
| // get a Object-specific ViewObjectContact for a specific |
| // ObjectContact (->View). Always needs to return something. |
| ViewObjectContact& ViewContact::GetViewObjectContact(ObjectContact& rObjectContact) |
| { |
| ViewObjectContact* pRetval = 0L; |
| const sal_uInt32 nCount(maViewObjectContactVector.size()); |
| |
| // first search if there exists a VOC for the given OC |
| for(sal_uInt32 a(0); !pRetval && a < nCount; a++) |
| { |
| ViewObjectContact* pCandidate = maViewObjectContactVector[a]; |
| DBG_ASSERT(pCandidate, "Corrupted ViewObjectContactList (!)"); |
| |
| if(&(pCandidate->GetObjectContact()) == &rObjectContact) |
| { |
| pRetval = pCandidate; |
| } |
| } |
| |
| if(!pRetval) |
| { |
| // create a new one. It's inserted to the local list from the |
| // VieObjectContact constructor via AddViewObjectContact() |
| pRetval = &CreateObjectSpecificViewObjectContact(rObjectContact); |
| } |
| |
| return *pRetval; |
| } |
| |
| // A new ViewObjectContact was created and shall be remembered. |
| void ViewContact::AddViewObjectContact(ViewObjectContact& rVOContact) |
| { |
| maViewObjectContactVector.push_back(&rVOContact); |
| |
| if(1L == maViewObjectContactVector.size()) |
| { |
| StartGettingViewed(); |
| } |
| } |
| |
| // A ViewObjectContact was deleted and shall be forgotten. |
| void ViewContact::RemoveViewObjectContact(ViewObjectContact& rVOContact) |
| { |
| std::vector< ViewObjectContact* >::iterator aFindResult = std::find(maViewObjectContactVector.begin(), maViewObjectContactVector.end(), &rVOContact); |
| |
| if(aFindResult != maViewObjectContactVector.end()) |
| { |
| maViewObjectContactVector.erase(aFindResult); |
| |
| if(maViewObjectContactVector.empty()) |
| { |
| // This may need to get asynchron later since it eventually triggers |
| // deletes of OCs where the VOC is still added. |
| StopGettingViewed(); |
| } |
| } |
| } |
| |
| // Test if this ViewContact has ViewObjectContacts at all. This can |
| // be used to test if this ViewContact is visualized ATM or not |
| bool ViewContact::HasViewObjectContacts(bool bExcludePreviews) const |
| { |
| const sal_uInt32 nCount(maViewObjectContactVector.size()); |
| |
| if(bExcludePreviews) |
| { |
| for(sal_uInt32 a(0); a < nCount; a++) |
| { |
| if(!maViewObjectContactVector[a]->GetObjectContact().IsPreviewRenderer()) |
| { |
| return true; |
| } |
| } |
| |
| return false; |
| } |
| else |
| { |
| return (0L != nCount); |
| } |
| } |
| |
| // Test if this ViewContact has ViewObjectContacts at all. This can |
| // be used to test if this ViewContact is visualized ATM or not |
| bool ViewContact::isAnimatedInAnyViewObjectContact() const |
| { |
| const sal_uInt32 nCount(maViewObjectContactVector.size()); |
| |
| for(sal_uInt32 a(0); a < nCount; a++) |
| { |
| if(maViewObjectContactVector[a]->isAnimated()) |
| { |
| return true; |
| } |
| } |
| |
| return false; |
| } |
| |
| // Access to possible sub-hierarchy and parent. GetObjectCount() default is 0L |
| // and GetViewContact default pops up an assert since it's an error if |
| // GetObjectCount has a result != 0 and it's not overloaded. |
| sal_uInt32 ViewContact::GetObjectCount() const |
| { |
| // no sub-objects |
| return 0; |
| } |
| |
| ViewContact& ViewContact::GetViewContact(sal_uInt32 /*nIndex*/) const |
| { |
| // This is the default implementation; call would be an error |
| DBG_ERROR("ViewContact::GetViewContact: This call needs to be overloaded when GetObjectCount() can return results != 0 (!)"); |
| return (ViewContact&)(*this); |
| } |
| |
| ViewContact* ViewContact::GetParentContact() const |
| { |
| // default has no parent |
| return 0; |
| } |
| |
| void ViewContact::ActionChildInserted(ViewContact& rChild) |
| { |
| // propagate change to all exsisting visualisations which |
| // will force a VOC for the new child and invalidate it's range |
| const sal_uInt32 nCount(maViewObjectContactVector.size()); |
| |
| for(sal_uInt32 a(0); a < nCount; a++) |
| { |
| ViewObjectContact* pCandidate = maViewObjectContactVector[a]; |
| DBG_ASSERT(pCandidate, "ViewContact::GetViewObjectContact() invalid ViewObjectContactList (!)"); |
| |
| // take action at all VOCs. At the VOCs ObjectContact the initial |
| // rectangle will be invalidated at the associated OutputDevice. |
| pCandidate->ActionChildInserted(rChild); |
| } |
| } |
| |
| // React on changes of the object of this ViewContact |
| void ViewContact::ActionChanged() |
| { |
| // propagate change to all existing VOCs. This will invalidate |
| // all drawn visualisations in all known views |
| const sal_uInt32 nCount(maViewObjectContactVector.size()); |
| |
| for(sal_uInt32 a(0); a < nCount; a++) |
| { |
| ViewObjectContact* pCandidate = maViewObjectContactVector[a]; |
| DBG_ASSERT(pCandidate, "ViewContact::GetViewObjectContact() invalid ViewObjectContactList (!)"); |
| |
| pCandidate->ActionChanged(); |
| } |
| } |
| |
| // access to SdrObject and/or SdrPage. May return 0L like the default |
| // implementations do. Needs to be overloaded as needed. |
| SdrObject* ViewContact::TryToGetSdrObject() const |
| { |
| return 0L; |
| } |
| |
| SdrPage* ViewContact::TryToGetSdrPage() const |
| { |
| return 0L; |
| } |
| |
| ////////////////////////////////////////////////////////////////////////////// |
| // primitive stuff |
| |
| drawinglayer::primitive2d::Primitive2DSequence ViewContact::createViewIndependentPrimitive2DSequence() const |
| { |
| // This is the default impelemtation and should never be called (see header). If this is called, |
| // someone implemented a ViewContact (VC) visualisation object without defining the visualisation by |
| // providing a seqence of primitives -> which cannot be correct. |
| // Since we have no access to any known model data here, the default implementation creates a yellow placeholder |
| // hairline polygon with a default size of (1000, 1000, 5000, 3000) |
| DBG_ERROR("ViewContact::createViewIndependentPrimitive2DSequence(): Never call the fallback base implementation, this is always an error (!)"); |
| const basegfx::B2DPolygon aOutline(basegfx::tools::createPolygonFromRect(basegfx::B2DRange(1000.0, 1000.0, 5000.0, 3000.0))); |
| const basegfx::BColor aYellow(1.0, 1.0, 0.0); |
| const drawinglayer::primitive2d::Primitive2DReference xReference( |
| new drawinglayer::primitive2d::PolygonHairlinePrimitive2D(aOutline, aYellow)); |
| |
| return drawinglayer::primitive2d::Primitive2DSequence(&xReference, 1); |
| } |
| |
| drawinglayer::primitive2d::Primitive2DSequence ViewContact::getViewIndependentPrimitive2DSequence() const |
| { |
| // local up-to-date checks. Create new list and compare. |
| drawinglayer::primitive2d::Primitive2DSequence xNew(createViewIndependentPrimitive2DSequence()); |
| |
| if(xNew.hasElements()) |
| { |
| // allow evtl. embedding in object-specific infos, e.g. Name, Title, Description |
| xNew = embedToObjectSpecificInformation(xNew); |
| } |
| |
| if(!drawinglayer::primitive2d::arePrimitive2DSequencesEqual(mxViewIndependentPrimitive2DSequence, xNew)) |
| { |
| // has changed, copy content |
| const_cast< ViewContact* >(this)->mxViewIndependentPrimitive2DSequence = xNew; |
| } |
| |
| // return current Primitive2DSequence |
| return mxViewIndependentPrimitive2DSequence; |
| } |
| |
| // add Gluepoints (if available) |
| drawinglayer::primitive2d::Primitive2DSequence ViewContact::createGluePointPrimitive2DSequence() const |
| { |
| // default returns empty reference |
| return drawinglayer::primitive2d::Primitive2DSequence(); |
| } |
| |
| drawinglayer::primitive2d::Primitive2DSequence ViewContact::embedToObjectSpecificInformation(const drawinglayer::primitive2d::Primitive2DSequence& rSource) const |
| { |
| // nothing to do for default |
| return rSource; |
| } |
| |
| void ViewContact::flushViewObjectContacts(bool bWithHierarchy) |
| { |
| if(bWithHierarchy) |
| { |
| // flush DrawingLayer hierarchy |
| const sal_uInt32 nCount(GetObjectCount()); |
| |
| for(sal_uInt32 a(0); a < nCount; a++) |
| { |
| ViewContact& rChild = GetViewContact(a); |
| rChild.flushViewObjectContacts(bWithHierarchy); |
| } |
| } |
| |
| // delete local VOCs |
| deleteAllVOCs(); |
| } |
| } // end of namespace contact |
| } // end of namespace sdr |
| |
| ////////////////////////////////////////////////////////////////////////////// |
| // eof |