* Author: sbh
*/
+#include <pyconfig.h>
+
#include <ParametersPlugin_EvalListener.h>
+#include <ParametersPlugin_Parameter.h>
+#include <ParametersPlugin_PyInterp.h>
#include <Events_Error.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 <string>
+#include <set>
#include <sstream>
ParametersPlugin_EvalListener::ParametersPlugin_EvalListener()
Events_Loop* aLoop = Events_Loop::loop();
const Events_ID kEvaluationEvent = ModelAPI_AttributeEvalMessage::eventId();
aLoop->registerListener(this, kEvaluationEvent, NULL, true);
+ const Events_ID kObjectRenamedEvent = ModelAPI_ObjectRenamedMessage::eventId();
+ aLoop->registerListener(this, kObjectRenamedEvent, NULL, true);
myInterp = std::shared_ptr<ParametersPlugin_PyInterp>(new ParametersPlugin_PyInterp());
myInterp->initialize();
{
}
-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();
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);
- aDoubleAttribute->setExpressionInvalid(false);
- } else { // set feature as invalid-parameter arguments
- aDoubleAttribute->setExpressionInvalid(true);
- }
- }
+ processEvaluationEvent(theMessage);
+ } else if (theMessage->eventID() == kObjectRenamedEvent) {
+ processObjectRenamedEvent(theMessage);
} else {
Events_Error::send(std::string("ParametersPlugin python interpreter, unhandled message caught: ")
+ theMessage->eventID().eventText());
}
}
-double ParametersPlugin_EvalListener::evaluate(const std::string& theExpression,
- std::string& theError)
+double ParametersPlugin_EvalListener::evaluate(const std::string& theExpression, std::string& theError,
+ const std::shared_ptr<ModelAPI_Document>& theDocument)
{
std::list<std::string> anExprParams = myInterp->compile(theExpression);
// find expression's params in the model
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.
+ if (!ModelAPI_Tools::findVariable(*it, aValue, aParamRes, theDocument)) continue;
std::ostringstream sstream;
sstream << aValue;
return result;
}
+std::set<std::string> toSet(const std::list<std::string>& theContainer)
+{
+ return std::set<std::string>(theContainer.begin(), theContainer.end());
+}
+
+void ParametersPlugin_EvalListener::processEvaluationEvent(
+ const std::shared_ptr<Events_Message>& theMessage)
+{
+ std::shared_ptr<ModelAPI_AttributeEvalMessage> aMessage =
+ std::dynamic_pointer_cast<ModelAPI_AttributeEvalMessage>(theMessage);
+
+ if (aMessage->attribute()->attributeType() == ModelAPI_AttributeDouble::typeId()) {
+ AttributeDoublePtr anAttribute =
+ std::dynamic_pointer_cast<ModelAPI_AttributeDouble>(aMessage->attribute());
+ std::string anError;
+ double aValue = evaluate(anAttribute->text(), anError, anAttribute->owner()->document());
+ 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(aText[i], anError, anAttribute->owner()->document());
+ 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(aText[i], anError, anAttribute->owner()->document());
+ 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_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]);
+ }
+}
+
+bool isValidAttribute(const AttributePtr& theAttribute)
+{
+ std::string aValidator, 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);
+
+ 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;
+
+ // 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;
+ }
+
+ std::set<std::shared_ptr<ModelAPI_Attribute> > anAttributes =
+ aResultParameter->data()->refsToMe();
+ std::set<std::shared_ptr<ModelAPI_Attribute> >::const_iterator anAttributeIt =
+ anAttributes.cbegin();
+ for (; anAttributeIt != anAttributes.cend(); ++anAttributeIt) {
+ const AttributePtr& anAttribute = *anAttributeIt;
+ AttributeRefListPtr anAttributeRefList =
+ std::dynamic_pointer_cast<ModelAPI_AttributeRefList>(anAttribute);
+ if (anAttributeRefList.get()) {
+ std::shared_ptr<ParametersPlugin_Parameter> aParameter =
+ std::dynamic_pointer_cast<ParametersPlugin_Parameter>(
+ anAttributeRefList->owner());
+ if (aParameter.get())
+ // Rename
+ renameInParameter(aParameter, aMessage->oldName(), aMessage->newName());
+ } else
+ // Rename
+ renameInAttribute(anAttribute, aMessage->oldName(), aMessage->newName());
+ }
+}
+