X-Git-Url: http://git.salome-platform.org/gitweb/?a=blobdiff_plain;f=src%2FParametersPlugin%2FParametersPlugin_EvalListener.cpp;h=d63741c9fa606596f832c40bd95ddb6524d0b2ac;hb=471cc7b52168016a3b6fff7e64cdd800cd7d8f91;hp=ff05cd51027ccdcd8c5a95ee0ed2b7cfe392c386;hpb=f6e1c2edc336a593bfab00c3402920e378a903d1;p=modules%2Fshaper.git

diff --git a/src/ParametersPlugin/ParametersPlugin_EvalListener.cpp b/src/ParametersPlugin/ParametersPlugin_EvalListener.cpp
index ff05cd510..d63741c9f 100644
--- a/src/ParametersPlugin/ParametersPlugin_EvalListener.cpp
+++ b/src/ParametersPlugin/ParametersPlugin_EvalListener.cpp
@@ -5,22 +5,66 @@
  *      Author: sbh
  */
 
+#include <pyconfig.h>
+
 #include <ParametersPlugin_EvalListener.h>
+#include <ParametersPlugin_Parameter.h>
+#include <ParametersPlugin_PyInterp.h>
 
-#include <Events_Error.h>
+#include <Events_InfoMessage.h>
 
+#include <ModelAPI_AttributeDouble.h>
+#include <ModelAPI_AttributeInteger.h>
+#include <ModelAPI_AttributeRefList.h>
+#include <ModelAPI_AttributeString.h>
+#include <ModelAPI_AttributeValidator.h>
+#include <ModelAPI_Document.h>
 #include <ModelAPI_Events.h>
+#include <ModelAPI_Session.h>
 #include <ModelAPI_Tools.h>
-#include <ModelAPI_AttributeDouble.h>
+
+#include <GeomDataAPI_Point.h>
+#include <GeomDataAPI_Point2D.h>
+
+#include <QMessageBox>
 
 #include <string>
+#include <set>
 #include <sstream>
 
+//------------------------------------------------------------------------------
+// Tools
+
+std::string toStdString(double theValue)
+{
+  std::ostringstream sstream;
+  sstream << theValue;
+  size_t aPos = sstream.str().find(".");
+  std::string aPnt = "";
+  if (aPos == std::string::npos)
+    aPnt = ".";
+  return sstream.str() + aPnt;
+}
+
+std::set<std::string> toSet(const std::list<std::string>& theContainer)
+{
+  return std::set<std::string>(theContainer.begin(), theContainer.end());
+}
+
+//------------------------------------------------------------------------------
+
 ParametersPlugin_EvalListener::ParametersPlugin_EvalListener()
 {
   Events_Loop* aLoop = Events_Loop::loop();
-  const Events_ID kEvaluationEvent = ModelAPI_AttributeEvalMessage::eventId();
-  aLoop->registerListener(this, kEvaluationEvent, NULL, true);
+
+  Events_ID anEvents_IDs[] = {
+      ModelAPI_AttributeEvalMessage::eventId(),
+      ModelAPI_ObjectRenamedMessage::eventId(),
+      ModelAPI_ReplaceParameterMessage::eventId()
+  };
+
+  for (int i = 0; i < sizeof(anEvents_IDs)/sizeof(anEvents_IDs[0]); ++i)
+    aLoop->registerListener(this, anEvents_IDs[i], NULL, true);
 
   myInterp = std::shared_ptr<ParametersPlugin_PyInterp>(new ParametersPlugin_PyInterp());
   myInterp->initialize();
@@ -30,32 +74,31 @@ ParametersPlugin_EvalListener::~ParametersPlugin_EvalListener()
 {
 }
 
-void ParametersPlugin_EvalListener::processEvent(const std::shared_ptr<Events_Message>& theMessage)
+void ParametersPlugin_EvalListener::processEvent(
+    const std::shared_ptr<Events_Message>& theMessage)
 {
   if (!theMessage.get())
     return;
 
   const Events_ID kEvaluationEvent = ModelAPI_AttributeEvalMessage::eventId();
+  const Events_ID kObjectRenamedEvent = ModelAPI_ObjectRenamedMessage::eventId();
+  const Events_ID kReplaceParameterEvent = ModelAPI_ReplaceParameterMessage::eventId();
+
   if (theMessage->eventID() == kEvaluationEvent) {
-    std::shared_ptr<ModelAPI_AttributeEvalMessage> aMessage =
-        std::dynamic_pointer_cast<ModelAPI_AttributeEvalMessage>(theMessage);
-    AttributeDoublePtr aDoubleAttribute =
-        std::dynamic_pointer_cast<ModelAPI_AttributeDouble>(aMessage->attribute());
-    if (aDoubleAttribute.get()) {
-      std::string anError;
-      double aValue = evaluate(aDoubleAttribute->text(), anError);
-      if (anError.empty()) {
-        aDoubleAttribute->setValue(aValue);
-      }
-    }
+    processEvaluationEvent(theMessage);
+  } else if (theMessage->eventID() == kObjectRenamedEvent) {
+    processObjectRenamedEvent(theMessage);
+  } else if (theMessage->eventID() == kReplaceParameterEvent) {
+    processReplaceParameterEvent(theMessage);
   } else {
-    Events_Error::send(std::string("ParametersPlugin python interpreter, unhandled message caught: ")
-                       + theMessage->eventID().eventText());
+    Events_InfoMessage("ParametersPlugin_EvalListener", 
+      "ParametersPlugin python interpreter, unhandled message caught: ")
+      .arg(theMessage->eventID().eventText()).send();
   }
 }
 
-double ParametersPlugin_EvalListener::evaluate(const std::string& theExpression,
-                                               std::string& theError)
+double ParametersPlugin_EvalListener::evaluate(FeaturePtr theParameter,
+  const std::string& theExpression, std::string& theError)
 {
   std::list<std::string> anExprParams = myInterp->compile(theExpression);
   // find expression's params in the model
@@ -63,12 +106,15 @@ double ParametersPlugin_EvalListener::evaluate(const std::string& theExpression,
   std::list<std::string>::iterator it = anExprParams.begin();
   for ( ; it != anExprParams.end(); it++) {
     double aValue;
-    if (!ModelAPI_Tools::findVariable(*it, aValue)) continue;
+    ResultParameterPtr aParamRes;
+    // If variable does not exist python interpreter will generate an error. It is OK.
+    // But due to the issue 1479 it should not check the history position of parameters relatively
+    // to feature that contains expression
+    if (!ModelAPI_Tools::findVariable(/*theParameter*/ FeaturePtr(), 
+      *it, aValue, aParamRes, theParameter->document()))
+      continue;
 
-    std::ostringstream sstream;
-    sstream << aValue;
-    std::string aParamValue = sstream.str();
-    aContext.push_back(*it + "=" + aParamValue);
+    aContext.push_back(*it + "=" + toStdString(aValue));
   }
   myInterp->extendLocalContext(aContext);
   double result = myInterp->evaluate(theExpression, theError);
@@ -76,3 +122,313 @@ double ParametersPlugin_EvalListener::evaluate(const std::string& theExpression,
   return result;
 }
 
+void ParametersPlugin_EvalListener::processEvaluationEvent(
+    const std::shared_ptr<Events_Message>& theMessage)
+{
+  std::shared_ptr<ModelAPI_AttributeEvalMessage> aMessage =
+      std::dynamic_pointer_cast<ModelAPI_AttributeEvalMessage>(theMessage);
+
+  FeaturePtr aParamFeature = 
+    std::dynamic_pointer_cast<ModelAPI_Feature>(aMessage->attribute()->owner());
+  if (aMessage->attribute()->attributeType() == ModelAPI_AttributeInteger::typeId()) {
+    AttributeIntegerPtr anAttribute =
+        std::dynamic_pointer_cast<ModelAPI_AttributeInteger>(aMessage->attribute());
+    std::string anError;
+    int aValue = (int)evaluate(aParamFeature, anAttribute->text(), anError);
+    bool isValid = anError.empty();
+    if (isValid)
+      anAttribute->setCalculatedValue(aValue);
+    anAttribute->setUsedParameters(isValid ? toSet(myInterp->compile(anAttribute->text())) : std::set<std::string>());
+    anAttribute->setExpressionInvalid(!isValid);
+    anAttribute->setExpressionError(anAttribute->text().empty() ? "" : anError);
+  } else
+  if (aMessage->attribute()->attributeType() == ModelAPI_AttributeDouble::typeId()) {
+    AttributeDoublePtr anAttribute =
+        std::dynamic_pointer_cast<ModelAPI_AttributeDouble>(aMessage->attribute());
+    std::string anError;
+    double aValue = evaluate(aParamFeature, anAttribute->text(), anError);
+    bool isValid = anError.empty();
+    if (isValid)
+      anAttribute->setCalculatedValue(aValue);
+    anAttribute->setUsedParameters(isValid ? toSet(myInterp->compile(anAttribute->text())) : std::set<std::string>());
+    anAttribute->setExpressionInvalid(!isValid);
+    anAttribute->setExpressionError(anAttribute->text().empty() ? "" : anError);
+  } else
+  if (aMessage->attribute()->attributeType() == GeomDataAPI_Point::typeId()) {
+    AttributePointPtr anAttribute =
+        std::dynamic_pointer_cast<GeomDataAPI_Point>(aMessage->attribute());
+    std::string aText[] = {
+      anAttribute->textX(),
+      anAttribute->textY(),
+      anAttribute->textZ()
+    };
+    double aCalculatedValue[] = {
+      anAttribute->x(),
+      anAttribute->y(),
+      anAttribute->z()
+    };
+    for (int i = 0; i < 3; ++i) {
+      std::string anError;
+      double aValue = evaluate(aParamFeature, aText[i], anError);
+      bool isValid = anError.empty();
+      if (isValid) aCalculatedValue[i] = aValue;
+      anAttribute->setUsedParameters(i, isValid ? toSet(myInterp->compile(aText[i])) : std::set<std::string>());
+      anAttribute->setExpressionInvalid(i, !isValid);
+      anAttribute->setExpressionError(i, aText[i].empty() ? "" : anError);
+    }
+    anAttribute->setCalculatedValue(aCalculatedValue[0],
+                                    aCalculatedValue[1],
+                                    aCalculatedValue[2]);
+  } else
+  if (aMessage->attribute()->attributeType() == GeomDataAPI_Point2D::typeId()) {
+    AttributePoint2DPtr anAttribute =
+        std::dynamic_pointer_cast<GeomDataAPI_Point2D>(aMessage->attribute());
+    std::string aText[] = {
+      anAttribute->textX(),
+      anAttribute->textY()
+    };
+    double aCalculatedValue[] = {
+      anAttribute->x(),
+      anAttribute->y()
+    };
+    for (int i = 0; i < 2; ++i) {
+      std::string anError;
+      double aValue = evaluate(aParamFeature, aText[i], anError);
+      bool isValid = anError.empty();
+      if (isValid) aCalculatedValue[i] = aValue;
+      anAttribute->setUsedParameters(i, isValid ? toSet(myInterp->compile(aText[i])) : std::set<std::string>());
+      anAttribute->setExpressionInvalid(i, !isValid);
+      anAttribute->setExpressionError(i, aText[i].empty() ? "" : anError);
+    }
+    anAttribute->setCalculatedValue(aCalculatedValue[0],
+                                    aCalculatedValue[1]);
+  }
+}
+
+std::string ParametersPlugin_EvalListener::renameInPythonExpression(
+    const std::string& theExpression,
+    const std::string& theOldName,
+    const std::string& theNewName)
+{
+  std::string anExpressionString = theExpression;
+
+  std::list<std::pair<int, int> > aPositions =
+      myInterp->positions(anExpressionString, theOldName);
+
+  if (aPositions.empty())
+    return anExpressionString;
+
+  std::map<int, std::list<int> > aLines;
+  std::list<std::pair<int, int> >::const_iterator it = aPositions.begin();
+  for (; it != aPositions.end(); ++it)
+    aLines[it->first].push_back(it->second);
+
+  // Start renaming from the end to keep indexes if theNewName is longer then theOldName
+  std::map<int, std::list<int> >::const_reverse_iterator ritLine = aLines.rbegin();
+  for (; ritLine != aLines.rend(); ++ritLine) {
+    // Calculate the start of the line (find the aLineNo occurrence of "\n" )
+    int aLineNo = ritLine->first - 1;
+    size_t aLineStart = 0;
+    for (int i = 0; i < aLineNo; ++i)
+      aLineStart = anExpressionString.find("\n", aLineStart) + 1;
+
+    const std::list<int>& aColOffsets = ritLine->second;
+    std::list<int>::const_reverse_iterator ritOffset = aColOffsets.rbegin();
+    for (; ritOffset != aColOffsets.rend(); ++ritOffset) {
+      int anOffset = *ritOffset;
+      anExpressionString.replace(aLineStart + anOffset, theOldName.size(), theNewName);
+    }
+  }
+
+  return anExpressionString;
+}
+
+void ParametersPlugin_EvalListener::renameInParameter(
+    std::shared_ptr<ParametersPlugin_Parameter> theParameter,
+    const std::string& theOldName,
+    const std::string& theNewName)
+{
+  std::shared_ptr<ModelAPI_AttributeString> anExpressionAttribute =
+      theParameter->string(ParametersPlugin_Parameter::EXPRESSION_ID());
+
+  std::string anExpressionString = anExpressionAttribute->value();
+  anExpressionString = renameInPythonExpression(anExpressionString,
+                                                theOldName,
+                                                theNewName);
+  // Issue #588. No need for reevaluating expression. 
+  // Moreover, current history may not contain necessary parameters.
+  anExpressionAttribute->owner()->data()->blockSendAttributeUpdated(true);
+  anExpressionAttribute->setValue(anExpressionString);
+  anExpressionAttribute->owner()->data()->blockSendAttributeUpdated(false);
+}
+
+void ParametersPlugin_EvalListener::renameInAttribute(
+    std::shared_ptr<ModelAPI_Attribute> theAttribute,
+    const std::string& theOldName,
+    const std::string& theNewName)
+{
+  if (theAttribute->attributeType() == ModelAPI_AttributeInteger::typeId()) {
+    AttributeIntegerPtr anAttribute =
+        std::dynamic_pointer_cast<ModelAPI_AttributeInteger>(theAttribute);
+    std::string anExpressionString = anAttribute->text();
+    anExpressionString = renameInPythonExpression(anExpressionString,
+                                                  theOldName, theNewName);
+    anAttribute->setText(anExpressionString);
+  } else
+  if (theAttribute->attributeType() == ModelAPI_AttributeDouble::typeId()) {
+    AttributeDoublePtr anAttribute =
+        std::dynamic_pointer_cast<ModelAPI_AttributeDouble>(theAttribute);
+    std::string anExpressionString = anAttribute->text();
+    anExpressionString = renameInPythonExpression(anExpressionString,
+                                                  theOldName, theNewName);
+    anAttribute->setText(anExpressionString);
+  } else
+  if (theAttribute->attributeType() == GeomDataAPI_Point::typeId()) {
+    AttributePointPtr anAttribute =
+        std::dynamic_pointer_cast<GeomDataAPI_Point>(theAttribute);
+    std::string anExpressionString[3] = {
+      anAttribute->textX(),
+      anAttribute->textY(),
+      anAttribute->textZ()
+    };
+    for (int i = 0; i < 3; ++i)
+      anExpressionString[i] = renameInPythonExpression(anExpressionString[i],
+                                                       theOldName, theNewName);
+    anAttribute->setText(anExpressionString[0],
+                         anExpressionString[1],
+                         anExpressionString[2]);
+  } else
+  if (theAttribute->attributeType() == GeomDataAPI_Point2D::typeId()) {
+    AttributePoint2DPtr anAttribute =
+        std::dynamic_pointer_cast<GeomDataAPI_Point2D>(theAttribute);
+    std::string anExpressionString[2] = {
+      anAttribute->textX(),
+      anAttribute->textY()
+    };
+    for (int i = 0; i < 2; ++i)
+      anExpressionString[i] = renameInPythonExpression(anExpressionString[i],
+                                                       theOldName, theNewName);
+    anAttribute->setText(anExpressionString[0],
+                         anExpressionString[1]);
+  }
+}
+
+void ParametersPlugin_EvalListener::renameInDependents(std::shared_ptr<ModelAPI_ResultParameter> theResultParameter,
+                                                       const std::string& theOldName,
+                                                       const std::string& theNewName)
+{
+  std::set<std::shared_ptr<ModelAPI_Attribute> > anAttributes =
+      theResultParameter->data()->refsToMe();
+  std::set<std::shared_ptr<ModelAPI_Attribute> >::const_iterator anAttributeIt =
+      anAttributes.cbegin();
+  for (; anAttributeIt != anAttributes.cend(); ++anAttributeIt) {
+    const AttributePtr& anAttribute = *anAttributeIt;
+    if (anAttribute->attributeType() == ModelAPI_AttributeRefList::typeId()) {
+      std::shared_ptr<ParametersPlugin_Parameter> aParameter =
+          std::dynamic_pointer_cast<ParametersPlugin_Parameter>(
+              anAttribute->owner());
+      if (aParameter.get())
+        // Rename
+        renameInParameter(aParameter, theOldName, theNewName);
+    } else
+        // Rename
+        renameInAttribute(anAttribute, theOldName, theNewName);
+  }
+}
+
+bool isValidAttribute(const AttributePtr& theAttribute)
+{
+  std::string aValidator;
+  Events_InfoMessage anError;
+  return ModelAPI_Session::get()->validators()->validate(theAttribute, aValidator, anError);
+}
+
+void setParameterName(ResultParameterPtr theResultParameter, const std::string& theName)
+{
+  theResultParameter->data()->blockSendAttributeUpdated(true);
+  theResultParameter->data()->setName(theName);
+  theResultParameter->data()->blockSendAttributeUpdated(false, false);
+
+  std::shared_ptr<ParametersPlugin_Parameter> aParameter = 
+      std::dynamic_pointer_cast<ParametersPlugin_Parameter>(
+          ModelAPI_Feature::feature(theResultParameter));
+
+  aParameter->data()->blockSendAttributeUpdated(true);
+  aParameter->data()->setName(theName);
+  aParameter->string(ParametersPlugin_Parameter::VARIABLE_ID())->setValue(theName);
+  aParameter->data()->blockSendAttributeUpdated(false);
+}
+
+void ParametersPlugin_EvalListener::processObjectRenamedEvent(
+    const std::shared_ptr<Events_Message>& theMessage)
+{
+  std::shared_ptr<ModelAPI_ObjectRenamedMessage> aMessage =
+      std::dynamic_pointer_cast<ModelAPI_ObjectRenamedMessage>(theMessage);
+
+  // Empty new name is not available too but it will be rejected by
+  // name validator in isValidAttribute.
+  if (!aMessage.get() || aMessage->oldName().empty())
+    return;
+
+  // check if the renamed object is a result parameter
+  ResultParameterPtr aResultParameter =
+      std::dynamic_pointer_cast<ModelAPI_ResultParameter>(aMessage->object());
+  if (!aResultParameter.get()) 
+    return;
+
+  // get parameter feature for the result
+  std::shared_ptr<ParametersPlugin_Parameter> aParameter =
+      std::dynamic_pointer_cast<ParametersPlugin_Parameter>(
+          ModelAPI_Feature::feature(aResultParameter));
+  if (!aParameter.get())
+    return;
+
+  std::string aNotActivatedNames;
+  if (!ModelAPI_Tools::allDocumentsActivated(aNotActivatedNames)) {
+    QMessageBox::StandardButton aRes = QMessageBox::warning(0, QObject::tr("Warning"),
+               QObject::tr("Selected objects can be used in Part documents which are not loaded: \
+%1. Whould you like to continue?").arg(aNotActivatedNames.c_str()),
+               QMessageBox::No | QMessageBox::Yes, QMessageBox::No);
+    if (aRes != QMessageBox::Yes) {
+      setParameterName(aResultParameter, aMessage->oldName());
+      return;
+    }
+  }
+
+  // try to update the parameter feature according the new name
+  setParameterName(aResultParameter, aMessage->newName());
+  // TODO(spo): replace with ModelAPI_Session::get()->validators()->validate(aParameter, ParametersPlugin_Parameter::VARIABLE_ID())
+  // when ModelAPI_ValidatorsFactory::validate(const std::shared_ptr<ModelAPI_Feature>& theFeature, const std::string& theAttribute) const
+  // is ready
+  if (!isValidAttribute(aParameter->string(ParametersPlugin_Parameter::VARIABLE_ID()))) {
+    setParameterName(aResultParameter, aMessage->oldName());
+    return;
+  }
+
+  renameInDependents(aResultParameter, aMessage->oldName(), aMessage->newName());
+}
+
+void ParametersPlugin_EvalListener::processReplaceParameterEvent(
+    const std::shared_ptr<Events_Message>& theMessage)
+{
+  std::shared_ptr<ModelAPI_ReplaceParameterMessage> aMessage =
+      std::dynamic_pointer_cast<ModelAPI_ReplaceParameterMessage>(theMessage);
+
+  // get parameter feature for the object
+  std::shared_ptr<ParametersPlugin_Parameter> aParameter =
+      std::dynamic_pointer_cast<ParametersPlugin_Parameter>(
+          ModelAPI_Feature::feature(aMessage->object()));
+  if (!aParameter.get())
+    return;
+
+  ResultParameterPtr aResultParameter =
+      std::dynamic_pointer_cast<ModelAPI_ResultParameter>(
+          aParameter->firstResult());
+  if (!aResultParameter.get())
+    return;
+
+  double aRealValue = aResultParameter->data()->real(ModelAPI_ResultParameter::VALUE())->value();
+  std::string aValue = toStdString(aRealValue);
+
+  renameInDependents(aResultParameter, aResultParameter->data()->name(), aValue);
+}