Salome HOME
It removes commented not used code.
[modules/shaper.git] / src / SketchSolver / SketchSolver_ConstraintManager.cpp
index 45ead10f90573f29441694def0d530052c93cb13..682bbf23a48fdb89cbf4602e7e62115e9c5b045d 100644 (file)
@@ -1,3 +1,5 @@
+// Copyright (C) 2014-20xx CEA/DEN, EDF R&D
+
 // File:    SketchSolver_ConstraintManager.cpp
 // Created: 08 May 2014
 // Author:  Artem ZHIDKOV
@@ -11,6 +13,7 @@
 #include <ModelAPI_Events.h>
 #include <ModelAPI_Object.h>
 #include <ModelAPI_ResultConstruction.h>
+#include <ModelAPI_Attribute.h>
 
 #include <SketchPlugin_Constraint.h>
 
 #include <SketchPlugin_Line.h>
 #include <SketchPlugin_Point.h>
 #include <SketchPlugin_Sketch.h>
+#include <SketchPlugin_Feature.h>
 
 #include <list>
+#include <set>
+#include <memory>
 
 // Initialization of constraint manager self pointer
 SketchSolver_ConstraintManager* SketchSolver_ConstraintManager::_self = 0;
@@ -28,6 +34,7 @@ SketchSolver_ConstraintManager* SketchSolver_ConstraintManager::_self = 0;
 /// Global constraint manager object
 SketchSolver_ConstraintManager* myManager = SketchSolver_ConstraintManager::Instance();
 
+
 // ========================================================
 // ========= SketchSolver_ConstraintManager ===============
 // ========================================================
@@ -41,6 +48,7 @@ SketchSolver_ConstraintManager* SketchSolver_ConstraintManager::Instance()
 SketchSolver_ConstraintManager::SketchSolver_ConstraintManager()
 {
   myGroups.clear();
+  myIsComputed = false;
 
   // Register in event loop
   Events_Loop::loop()->registerListener(this, Events_Loop::eventByName(EVENT_OBJECT_CREATED));
@@ -60,62 +68,68 @@ SketchSolver_ConstraintManager::~SketchSolver_ConstraintManager()
 //  Purpose:  listen the event loop and process the message
 // ============================================================================
 void SketchSolver_ConstraintManager::processEvent(
-  const boost::shared_ptr<Events_Message>& theMessage)
+  const std::shared_ptr<Events_Message>& theMessage)
 {
+  if (myIsComputed)
+    return;
   if (theMessage->eventID() == Events_Loop::loop()->eventByName(EVENT_OBJECT_CREATED)
       || theMessage->eventID() == Events_Loop::loop()->eventByName(EVENT_OBJECT_UPDATED)
       || theMessage->eventID() == Events_Loop::loop()->eventByName(EVENT_OBJECT_MOVED)) {
-    boost::shared_ptr<ModelAPI_ObjectUpdatedMessage> anUpdateMsg =
-        boost::dynamic_pointer_cast<ModelAPI_ObjectUpdatedMessage>(theMessage);
+    std::shared_ptr<ModelAPI_ObjectUpdatedMessage> anUpdateMsg =
+        std::dynamic_pointer_cast<ModelAPI_ObjectUpdatedMessage>(theMessage);
     std::set<ObjectPtr> aFeatures = anUpdateMsg->objects();
 
-    bool isModifiedEvt = theMessage->eventID()
-        == Events_Loop::loop()->eventByName(EVENT_OBJECT_MOVED);
-    if (!isModifiedEvt) {
+    // Shows the message has at least one feature applicable for solver
+    bool hasProperFeature = false;
+
+    bool isMovedEvt = theMessage->eventID()
+          == Events_Loop::loop()->eventByName(EVENT_OBJECT_MOVED);
+    if (isMovedEvt) {
       std::set<ObjectPtr>::iterator aFeatIter;
       for (aFeatIter = aFeatures.begin(); aFeatIter != aFeatures.end(); aFeatIter++) {
-        FeaturePtr aFeature = boost::dynamic_pointer_cast<ModelAPI_Feature>(*aFeatIter);
-        if (!aFeature)
-          continue;
-        // Only sketches and constraints can be added by Create event
-        const std::string& aFeatureKind = aFeature->getKind();
-        if (aFeatureKind.compare(SketchPlugin_Sketch::ID()) == 0) {
-          boost::shared_ptr<SketchPlugin_Feature> aSketch = boost::dynamic_pointer_cast<
-              SketchPlugin_Feature>(aFeature);
-          if (aSketch)
-            changeWorkplane(aSketch);
-          continue;
+        std::shared_ptr<SketchPlugin_Feature> aSFeature = 
+            std::dynamic_pointer_cast<SketchPlugin_Feature>(*aFeatIter);
+        if (aSFeature) {
+          moveEntity(aSFeature);
+          hasProperFeature = true;
         }
-        boost::shared_ptr<SketchPlugin_Constraint> aConstraint = boost::dynamic_pointer_cast<
-            SketchPlugin_Constraint>(aFeature);
-        if (aConstraint)
-          changeConstraint(aConstraint);
-        else {
-          // Sketch plugin features can be only updated
-          boost::shared_ptr<SketchPlugin_Feature> aSFeature = boost::dynamic_pointer_cast<
-              SketchPlugin_Feature>(aFeature);
-          if (aSFeature)
-            updateEntity(aSFeature);
+      }
+    } else {
+      std::list<FeaturePtr> aSketchFeatures = SketchSolver_Group::selectApplicableFeatures(aFeatures);
+      std::list<FeaturePtr>::iterator aFeatIter = aSketchFeatures.begin();
+      for (; aFeatIter != aSketchFeatures.end(); ++aFeatIter) {
+        if ((*aFeatIter)->getKind() == SketchPlugin_Sketch::ID()) {
+          std::shared_ptr<ModelAPI_CompositeFeature> aSketch = 
+              std::dynamic_pointer_cast<ModelAPI_CompositeFeature>(*aFeatIter);
+          hasProperFeature = changeWorkplane(aSketch) || hasProperFeature;
+          continue;
         }
+        std::shared_ptr<SketchPlugin_Feature> aFeature = 
+            std::dynamic_pointer_cast<SketchPlugin_Feature>(*aFeatIter);
+        if (!aFeature)
+          continue;
+        hasProperFeature = changeConstraintOrEntity(aFeature) || hasProperFeature;
       }
     }
 
     // Solve the set of constraints
-    resolveConstraints();
+    if (hasProperFeature)
+      resolveConstraints(isMovedEvt); // send update for movement in any case
   } else if (theMessage->eventID() == Events_Loop::loop()->eventByName(EVENT_OBJECT_DELETED)) {
-    boost::shared_ptr<ModelAPI_ObjectDeletedMessage> aDeleteMsg =
-        boost::dynamic_pointer_cast<ModelAPI_ObjectDeletedMessage>(theMessage);
+    std::shared_ptr<ModelAPI_ObjectDeletedMessage> aDeleteMsg =
+      std::dynamic_pointer_cast<ModelAPI_ObjectDeletedMessage>(theMessage);
     const std::set<std::string>& aFeatureGroups = aDeleteMsg->groups();
 
     // Find SketchPlugin_Sketch::ID() in groups. The constraint groups should be updated when an object removed from Sketch
     std::set<std::string>::const_iterator aFGrIter;
     for (aFGrIter = aFeatureGroups.begin(); aFGrIter != aFeatureGroups.end(); aFGrIter++)
-      if (aFGrIter->compare(ModelAPI_ResultConstruction::group()) == 0)
+      if (aFGrIter->compare(ModelAPI_ResultConstruction::group()) == 0 ||
+        aFGrIter->compare(ModelAPI_Feature::group()) == 0)
         break;
 
     if (aFGrIter != aFeatureGroups.end()) {
-      std::vector<SketchSolver_ConstraintGroup*>::iterator aGroupIter = myGroups.begin();
-      std::vector<SketchSolver_ConstraintGroup*> aSeparatedGroups;
+      std::vector<SketchSolver_Group*>::iterator aGroupIter = myGroups.begin();
+      std::vector<SketchSolver_Group*> aSeparatedGroups;
       while (aGroupIter != myGroups.end()) {
         if (!(*aGroupIter)->isWorkplaneValid()) {  // the group should be removed
           delete *aGroupIter;
@@ -124,7 +138,7 @@ void SketchSolver_ConstraintManager::processEvent(
           aGroupIter = myGroups.begin() + aShift;
           continue;
         }
-        if ((*aGroupIter)->updateGroup()) {  // some constraints were removed, try to split the group
+        if (!(*aGroupIter)->isConsistent()) {  // some constraints were removed, try to split the group
           (*aGroupIter)->splitGroup(aSeparatedGroups);
         }
         aGroupIter++;
@@ -140,13 +154,12 @@ void SketchSolver_ConstraintManager::processEvent(
 //  Class:    SketchSolver_Session
 //  Purpose:  update workplane by given parameters of the sketch
 // ============================================================================
-bool SketchSolver_ConstraintManager::changeWorkplane(
-    boost::shared_ptr<SketchPlugin_Feature> theSketch)
+bool SketchSolver_ConstraintManager::changeWorkplane(CompositeFeaturePtr theSketch)
 {
   bool aResult = true;  // changed when a workplane wrongly updated
   bool isUpdated = false;
   // Try to update specified workplane in all groups
-  std::vector<SketchSolver_ConstraintGroup*>::iterator aGroupIter;
+  std::vector<SketchSolver_Group*>::iterator aGroupIter;
   for (aGroupIter = myGroups.begin(); aGroupIter != myGroups.end(); aGroupIter++)
     if ((*aGroupIter)->isBaseWorkplane(theSketch)) {
       isUpdated = true;
@@ -155,9 +168,9 @@ bool SketchSolver_ConstraintManager::changeWorkplane(
     }
   // If the workplane is not updated, so this is a new workplane
   if (!isUpdated) {
-    SketchSolver_ConstraintGroup* aNewGroup = new SketchSolver_ConstraintGroup(theSketch);
+    SketchSolver_Group* aNewGroup = new SketchSolver_Group(theSketch);
     // Verify that the group is created successfully
-    if (!aNewGroup->isBaseWorkplane(theSketch)) {
+    if (!aNewGroup->isBaseWorkplane(theSketch) || !aNewGroup->isWorkplaneValid()) {
       delete aNewGroup;
       return false;
     }
@@ -167,40 +180,50 @@ bool SketchSolver_ConstraintManager::changeWorkplane(
 }
 
 // ============================================================================
-//  Function: changeConstraint
+//  Function: changeConstraintOrEntity
 //  Class:    SketchSolver_Session
-//  Purpose:  create/update the constraint and place it into appropriate group
+//  Purpose:  create/update the constraint or the feature and place it into appropriate group
 // ============================================================================
-bool SketchSolver_ConstraintManager::changeConstraint(
-    boost::shared_ptr<SketchPlugin_Constraint> theConstraint)
+bool SketchSolver_ConstraintManager::changeConstraintOrEntity(
+    std::shared_ptr<SketchPlugin_Feature> theFeature)
 {
-  // Search the groups which this constraint touches
+  // Search the groups which this feature touches
   std::set<Slvs_hGroup> aGroups;
-  findGroups(theConstraint, aGroups);
+  findGroups(theFeature, aGroups);
+
+  std::shared_ptr<SketchPlugin_Constraint> aConstraint = 
+      std::dynamic_pointer_cast<SketchPlugin_Constraint>(theFeature);
 
   // Process the groups list
-  if (aGroups.size() == 0) {  // There are no groups applicable for this constraint => create new one
-    boost::shared_ptr<SketchPlugin_Feature> aWP = findWorkplaneForConstraint(theConstraint);
+  if (aGroups.size() == 0) {
+    // There are no groups applicable for this constraint => create new one
+    // The group will be created only for constraints, not for features
+    if (!aConstraint) return false;
+    std::shared_ptr<ModelAPI_CompositeFeature> aWP = findWorkplane(aConstraint);
     if (!aWP)
       return false;
-    SketchSolver_ConstraintGroup* aGroup = new SketchSolver_ConstraintGroup(aWP);
-    if (!aGroup->changeConstraint(theConstraint)) {
+    SketchSolver_Group* aGroup = new SketchSolver_Group(aWP);
+    if (!aGroup->changeConstraint(aConstraint)) {
       delete aGroup;
       return false;
     }
     myGroups.push_back(aGroup);
     return true;
-  } else if (aGroups.size() == 1) {  // Only one group => add constraint into it
+  } else if (aGroups.size() == 1) {  // Only one group => add feature into it
     Slvs_hGroup aGroupId = *(aGroups.begin());
-    std::vector<SketchSolver_ConstraintGroup*>::iterator aGroupIter;
+    std::vector<SketchSolver_Group*>::iterator aGroupIter;
     for (aGroupIter = myGroups.begin(); aGroupIter != myGroups.end(); aGroupIter++)
-      if ((*aGroupIter)->getId() == aGroupId)
-        return (*aGroupIter)->changeConstraint(theConstraint);
-  } else if (aGroups.size() > 1) {  // Several groups applicable for this constraint => need to merge them
+      if ((*aGroupIter)->getId() == aGroupId) {
+        // If the group is empty, the feature is not added (the constraint only)
+        if (!aConstraint && !(*aGroupIter)->isEmpty())
+          return (*aGroupIter)->updateFeature(theFeature);
+        return (*aGroupIter)->changeConstraint(aConstraint);
+      }
+  } else if (aGroups.size() > 1) {  // Several groups applicable for this feature => need to merge them
     std::set<Slvs_hGroup>::const_iterator aGroupsIter = aGroups.begin();
 
     // Search first group
-    std::vector<SketchSolver_ConstraintGroup*>::iterator aFirstGroupIter;
+    std::vector<SketchSolver_Group*>::iterator aFirstGroupIter;
     for (aFirstGroupIter = myGroups.begin(); aFirstGroupIter != myGroups.end(); aFirstGroupIter++)
       if ((*aFirstGroupIter)->getId() == *aGroupsIter)
         break;
@@ -208,7 +231,7 @@ bool SketchSolver_ConstraintManager::changeConstraint(
       return false;
 
     // Append other groups to the first one
-    std::vector<SketchSolver_ConstraintGroup*>::iterator anOtherGroupIter = aFirstGroupIter + 1;
+    std::vector<SketchSolver_Group*>::iterator anOtherGroupIter = aFirstGroupIter + 1;
     for (aGroupsIter++; aGroupsIter != aGroups.end(); aGroupsIter++) {
       for (; anOtherGroupIter != myGroups.end(); anOtherGroupIter++)
         if ((*anOtherGroupIter)->getId() == *aGroupsIter)
@@ -227,7 +250,9 @@ bool SketchSolver_ConstraintManager::changeConstraint(
       anOtherGroupIter = myGroups.begin() + aShiftOther;
     }
 
-    return (*aFirstGroupIter)->changeConstraint(theConstraint);
+    if (aConstraint)
+      return (*aFirstGroupIter)->changeConstraint(aConstraint);
+    return (*aFirstGroupIter)->updateFeature(theFeature);
   }
 
   // Something goes wrong
@@ -235,71 +260,34 @@ bool SketchSolver_ConstraintManager::changeConstraint(
 }
 
 // ============================================================================
-//  Function: updateEntity
+//  Function: moveEntity
 //  Class:    SketchSolver_Session
-//  Purpose:  update any element on the sketch, which is used by constraints
+//  Purpose:  update element moved on the sketch, which is used by constraints
 // ============================================================================
-void SketchSolver_ConstraintManager::updateEntity(
-    boost::shared_ptr<SketchPlugin_Feature> theFeature)
+void SketchSolver_ConstraintManager::moveEntity(
+    std::shared_ptr<SketchPlugin_Feature> theFeature)
 {
-  // Create list of attributes depending on type of the feature
-  std::vector<std::string> anAttrList;
-  const std::string& aFeatureKind = theFeature->getKind();
-  // Point
-  if (aFeatureKind.compare(SketchPlugin_Point::ID()) == 0)
-    anAttrList.push_back(SketchPlugin_Point::COORD_ID());
-  // Line
-  else if (aFeatureKind.compare(SketchPlugin_Line::ID()) == 0) {
-    anAttrList.push_back(SketchPlugin_Line::START_ID());
-    anAttrList.push_back(SketchPlugin_Line::END_ID());
-  }
-  // Circle
-  else if (aFeatureKind.compare(SketchPlugin_Circle::ID()) == 0) {
-    anAttrList.push_back(SketchPlugin_Circle::CENTER_ID());
-    anAttrList.push_back(SketchPlugin_Circle::RADIUS_ID());
-  }
-  // Arc
-  else if (aFeatureKind.compare(SketchPlugin_Arc::ID()) == 0) {
-    anAttrList.push_back(SketchPlugin_Arc::CENTER_ID());
-    anAttrList.push_back(SketchPlugin_Arc::START_ID());
-    anAttrList.push_back(SketchPlugin_Arc::END_ID());
-  }
-  /// \todo Other types of features should be implemented
-
-  // Check changing of feature's attributes (go through the groups and search usage of the attributes)
-  std::vector<std::string>::const_iterator anAttrIter;
-  for (anAttrIter = anAttrList.begin(); anAttrIter != anAttrList.end(); anAttrIter++) {
-    std::vector<SketchSolver_ConstraintGroup*>::iterator aGroupIter;
-    for (aGroupIter = myGroups.begin(); aGroupIter != myGroups.end(); aGroupIter++) {
-      if ((*aGroupIter)->isEmpty())
-        continue;
-      boost::shared_ptr<ModelAPI_Attribute> anAttribute = boost::dynamic_pointer_cast<
-          ModelAPI_Attribute>(theFeature->data()->attribute(*anAttrIter));
-      (*aGroupIter)->updateEntityIfPossible(anAttribute);
-    }
-  }
-
-  std::vector<SketchSolver_ConstraintGroup*>::iterator aGroupIter;
-  for (aGroupIter = myGroups.begin(); aGroupIter != myGroups.end(); aGroupIter++)
-    if (!(*aGroupIter)->isEmpty())
-      (*aGroupIter)->updateRelatedConstraints(theFeature);
+  std::vector<SketchSolver_Group*>::iterator aGroupIt = myGroups.begin();
+  for (; aGroupIt != myGroups.end(); aGroupIt++)
+    if (!(*aGroupIt)->isEmpty() && (*aGroupIt)->isInteract(theFeature))
+      (*aGroupIt)->moveFeature(theFeature);
 }
 
 // ============================================================================
 //  Function: findGroups
 //  Class:    SketchSolver_Session
-//  Purpose:  search groups of entities interacting with given constraint
+//  Purpose:  search groups of entities interacting with given feature
 // ============================================================================
 void SketchSolver_ConstraintManager::findGroups(
-    boost::shared_ptr<SketchPlugin_Constraint> theConstraint,
+    std::shared_ptr<SketchPlugin_Feature> theFeature,
     std::set<Slvs_hGroup>& theGroupIDs) const
 {
-  boost::shared_ptr<SketchPlugin_Feature> aWP = findWorkplaneForConstraint(theConstraint);
+  std::shared_ptr<ModelAPI_CompositeFeature> aWP = findWorkplane(theFeature);
 
-  SketchSolver_ConstraintGroup* anEmptyGroup = 0;  // appropriate empty group for specified constraint
-  std::vector<SketchSolver_ConstraintGroup*>::const_iterator aGroupIter;
+  SketchSolver_Group* anEmptyGroup = 0;  // appropriate empty group for specified constraint
+  std::vector<SketchSolver_Group*>::const_iterator aGroupIter;
   for (aGroupIter = myGroups.begin(); aGroupIter != myGroups.end(); aGroupIter++)
-    if (aWP == (*aGroupIter)->getWorkplane() && (*aGroupIter)->isInteract(theConstraint)) {
+    if (aWP == (*aGroupIter)->getWorkplane() && (*aGroupIter)->isInteract(theFeature)) {
       if (!(*aGroupIter)->isEmpty())
         theGroupIDs.insert((*aGroupIter)->getId());
       else if (!anEmptyGroup)
@@ -312,33 +300,36 @@ void SketchSolver_ConstraintManager::findGroups(
 }
 
 // ============================================================================
-//  Function: findWorkplaneForConstraint
+//  Function: findWorkplane
 //  Class:    SketchSolver_Session
-//  Purpose:  search workplane containing given constraint
+//  Purpose:  search workplane containing given feature
 // ============================================================================
-boost::shared_ptr<SketchPlugin_Feature> SketchSolver_ConstraintManager::findWorkplaneForConstraint(
-    boost::shared_ptr<SketchPlugin_Constraint> theConstraint) const
+std::shared_ptr<ModelAPI_CompositeFeature> SketchSolver_ConstraintManager
+::findWorkplane(std::shared_ptr<SketchPlugin_Feature> theFeature) const
 {
   // Already verified workplanes
-  std::set<boost::shared_ptr<SketchPlugin_Feature> > aVerified;
+  std::set<std::shared_ptr<ModelAPI_CompositeFeature> > aVerified;
 
-  std::vector<SketchSolver_ConstraintGroup*>::const_iterator aGroupIter;
+  std::vector<SketchSolver_Group*>::const_iterator aGroupIter;
   for (aGroupIter = myGroups.begin(); aGroupIter != myGroups.end(); aGroupIter++) {
-    boost::shared_ptr<SketchPlugin_Feature> aWP = (*aGroupIter)->getWorkplane();
+    std::shared_ptr<ModelAPI_CompositeFeature> aWP = (*aGroupIter)->getWorkplane();
     if (aVerified.find(aWP) != aVerified.end())
       continue;
 
-    boost::shared_ptr<ModelAPI_AttributeRefList> aWPFeatures = boost::dynamic_pointer_cast<
-        ModelAPI_AttributeRefList>(aWP->data()->attribute(SketchPlugin_Sketch::FEATURES_ID()));
-    std::list<ObjectPtr> aFeaturesList = aWPFeatures->list();
-    std::list<ObjectPtr>::const_iterator anIter;
-    for (anIter = aFeaturesList.begin(); anIter != aFeaturesList.end(); anIter++)
-      if (*anIter == theConstraint)
-        return aWP;  // workplane is found
+    DataPtr aData = aWP->data();
+    if (aData->isValid()) {
+      std::shared_ptr<ModelAPI_AttributeRefList> aWPFeatures = std::dynamic_pointer_cast<
+          ModelAPI_AttributeRefList>(aData->attribute(SketchPlugin_Sketch::FEATURES_ID()));
+      std::list<ObjectPtr> aFeaturesList = aWPFeatures->list();
+      std::list<ObjectPtr>::const_iterator anIter;
+      for (anIter = aFeaturesList.begin(); anIter != aFeaturesList.end(); anIter++)
+        if (*anIter == theFeature)
+          return aWP;  // workplane is found
+    }
     aVerified.insert(aWP);
   }
 
-  return boost::shared_ptr<SketchPlugin_Feature>();
+  return std::shared_ptr<ModelAPI_CompositeFeature>();
 }
 
 // ============================================================================
@@ -346,13 +337,31 @@ boost::shared_ptr<SketchPlugin_Feature> SketchSolver_ConstraintManager::findWork
 //  Class:    SketchSolver_Session
 //  Purpose:  change entities according to available constraints
 // ============================================================================
-void SketchSolver_ConstraintManager::resolveConstraints()
+void SketchSolver_ConstraintManager::resolveConstraints(const bool theForceUpdate)
 {
-  std::vector<SketchSolver_ConstraintGroup*>::iterator aGroupIter;
+  myIsComputed = true;
+  bool needToUpdate = false;
+  static Events_ID anUpdateEvent = Events_Loop::eventByName(EVENT_OBJECT_UPDATED);
+  // to avoid redisplay of each segment on update by solver one by one in the viewer
+  bool isUpdateFlushed = Events_Loop::loop()->isFlushed(anUpdateEvent);
+  if (isUpdateFlushed) {
+    Events_Loop::loop()->setFlushed(anUpdateEvent, false);
+  }
+
+  std::vector<SketchSolver_Group*>::iterator aGroupIter;
   for (aGroupIter = myGroups.begin(); aGroupIter != myGroups.end(); aGroupIter++)
-    (*aGroupIter)->resolveConstraints();
+    if ((*aGroupIter)->resolveConstraints())
+      needToUpdate = true;
 
-  // Features may be updated => send events
-  Events_Loop::loop()->flush(Events_Loop::eventByName(EVENT_OBJECT_UPDATED));
+  // Features may be updated => now send events, but for all changed at once
+  if (isUpdateFlushed) {
+    Events_Loop::loop()->setFlushed(anUpdateEvent, true);
+  }
+  // Must be before flush because on "Updated" flush the results may be produced
+  // and the creation event is appeared with many new objects. If myIsComputed these
+  // events are missed in processEvents and some elements are not added.
+  myIsComputed = false;
+  if (needToUpdate || theForceUpdate)
+    Events_Loop::loop()->flush(anUpdateEvent);
 }