Issue #3086: Avoid crash when FeatureInfo is null.

[modules/shaper.git] / src / ModuleBase / ModuleBase_Tools.h

// Copyright (C) 2014-2019  CEA/DEN, EDF R&D
//
// This library is free software; you can redistribute it and/or
// modify it under the terms of the GNU Lesser General Public
// License as published by the Free Software Foundation; either
// version 2.1 of the License, or (at your option) any later version.
//
// This library is distributed in the hope that it will be useful,
// but WITHOUT ANY WARRANTY; without even the implied warranty of
// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
// Lesser General Public License for more details.
//
// You should have received a copy of the GNU Lesser General Public
// License along with this library; if not, write to the Free Software
// Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA  02111-1307 USA
//
// See http://www.salome-platform.org/ or email : webmaster.salome@opencascade.com
//

#ifndef ModuleBase_Tools_H
#define ModuleBase_Tools_H

#include "ModuleBase.h"
#include "ModuleBase_Definitions.h"

#include <ModelAPI_Attribute.h>
#include <ModelAPI_Feature.h>
#include <ModelAPI_Folder.h>

#include <TopAbs_ShapeEnum.hxx>
#include <TopoDS_Shape.hxx>
#include <Prs3d_Drawer.hxx>
#include <AIS_Shape.hxx>

#include <Quantity_Color.hxx>

#include <QIcon>
#include <QPixmap>
#include <QLocale>

#include <map>

class QWidget;
class QLayout;
class QDoubleSpinBox;
class QAction;
class ModuleBase_IWorkshop;
class ModuleBase_ParamIntSpinBox;
class ModuleBase_ParamSpinBox;
class ModuleBase_ViewerPrs;

class GeomAPI_Shape;

class Events_InfoMessage;

namespace ModuleBase_Tools {

/// Methods to adjust margins and spacings.
MODULEBASE_EXPORT void adjustMargins(QWidget* theWidget);
MODULEBASE_EXPORT void adjustMargins(QLayout* theLayout);

MODULEBASE_EXPORT void zeroMargins(QWidget* theWidget);
MODULEBASE_EXPORT void zeroMargins(QLayout* theLayout);

/// Calls the same-named Qt method for the given widget.
/// It sets the top-level widget containing this widget to be the active window.
/// An active window is a visible top-level window that has the keyboard input focus.
/// \param theWidget a widget to be activated
/// \param theIndo a debug information
MODULEBASE_EXPORT void activateWindow(QWidget* theWidget, const QString& theInfo = QString());

/// Calls the same-named Qt method for the given widget.
/// Gives the keyboard input focus to this widget (or its focus proxy) if this widget or
/// one of its parents is the active window.
/// \param theWidget a widget to be activated
/// \param theIndo a debug information
MODULEBASE_EXPORT void setFocus(QWidget* theWidget, const QString& theInfo = QString());


/// Sets or removes the shadow effect to the widget
/// \param theWidget a widget to be styled
/// \param isSetEffect if true, the shadow effect is set, otherwise cleared
/// \return resulting pixmap
MODULEBASE_EXPORT void setShadowEffect(QWidget* theWidget, const bool isSetEffect);

/// \ingroup GUI
/// Methods to modify a resource pixmap

/// Create composite pixmap.
/// Pixmap \a theAdditionalIcon is drawn over pixmap \a dest with coordinates
/// specified relatively to the upper left corner of \a theIcon.

/// \param theAdditionalIcon resource text of the additional pixmap
/// \param theIcon resource text of the background pixmap
/// \return resulting pixmap
MODULEBASE_EXPORT QPixmap composite(const QString& theAdditionalIcon, const QString& theIcon);

/// Create composite pixmap.
/// Pixmap \a theAdditionalIcon is drawn over pixmap \a dest with coordinates
/// specified relatively to the upper left corner of \a theIcon.

/// \param theAdditionalIcon additional pixmap
/// \param theIcon background pixmap
/// \return resulting pixmap
MODULEBASE_EXPORT QPixmap composite(const QImage& theAdditionalIcon, QImage& theIcon);

/// Generates the pixmap lighter than the resources pixmap.
/// Pixmap \a theIcon is lighted according to the given value.
/// If the lighter value is greater than 100, this functions returns a lighter pixmap.
/// Setting lighter value to 150 returns a color that is 50% brighter.
/// If the factor is less than 100,
/// the return pixmap is darker. If the factor is 0 or negative, the return pixmap is unspecified.

/// \param resource text of the pixmap
/// \param theLighterValue a lighter factor
/// \return resulting pixmap
MODULEBASE_EXPORT QPixmap lighter(const QString& theIcon, const int theLighterValue = 200);

/// Sets programmatically the value to the spin box without emitting any signals(e.g. valueChanged)
/// \param theSpin an X or Y coordinate widget
/// \param theValue a new value
MODULEBASE_EXPORT void setSpinValue(QDoubleSpinBox* theSpin, double theValue);

/// Sets programmatically the value to the spin box without emitting any signals(e.g. valueChanged)
/// \param theSpin an X or Y coordinate widget
/// \param theValue a new value
MODULEBASE_EXPORT void setSpinValue(ModuleBase_ParamSpinBox* theSpin, double theValue);

/// Sets programmatically the value to the spin box without emitting any signals(e.g. valueChanged)
/// \param theSpin an ModuleBase_ParamSpinBox that accepts text
/// \param theText a new value
MODULEBASE_EXPORT void setSpinText(ModuleBase_ParamSpinBox* theSpin, const QString& theText);

/// Sets programmatically the value to the spin box without emitting any signals(e.g. valueChanged)
/// \param theSpin a ModuleBase_ParamIntSpinBox object
/// \param theValue a new value
MODULEBASE_EXPORT void setSpinValue(ModuleBase_ParamIntSpinBox* theSpin, int theValue);

/// Sets programmatically the value to the spin box without emitting any signals(e.g. valueChanged)
/// \param theSpin a SpinBox that accepts text
/// \param theText a new value
MODULEBASE_EXPORT void setSpinText(ModuleBase_ParamIntSpinBox* theSpin, const QString& theText);

/// Creates an action filled with the parameters
/// \param theIcon an action icon
/// \param theText an icon text
/// \param theParent an action object
/// \param theReceiver an object to process action triggered signal
/// \param theMember a slot to process the action triggered signal
/// \param theToolTip an action tool tip information, if empty the text is used
/// \param theStatusTip an action status tip information, if empty the text is used
MODULEBASE_EXPORT QAction* createAction(const QIcon& theIcon, const QString& theText,
                                        QObject* theParent, const QObject* theReceiver = 0,
                                        const char* theMember = "",
                                        const QString& theToolTip = QString(),
                                        const QString& theStatusTip = QString());

#ifdef _DEBUG
/// Returns name of data of the object if it is not NULL
/// \param theObj an object
/// \return a string
MODULEBASE_EXPORT QString objectName(const ObjectPtr& theObj);

/// Converts the object to the feature or a result and generate information string
/// \param theObj an object
/// \param isUseAttributesInfo a flag whether the attribute values information is used
/// \return a string
MODULEBASE_EXPORT QString objectInfo(const ObjectPtr& theObj,
                                     const bool isUseAttributesInfo = false);
#endif

/// Converts string value (name of shape type) to shape enum value
/// \param theType - string with shape type name
/// \return TopAbs_ShapeEnum value
MODULEBASE_EXPORT int shapeType(const QString& theType);

/// Checks whether the object is a sub result. It gets the feature of the object,
/// obtains all results of the feature and check if the object is a sub result
/// \return boolean result
MODULEBASE_EXPORT bool isSubResult(ObjectPtr theObject);

/// Check types of objects which are in the given list
/// \param theObjects the list of objects
/// \param hasResult will be set to true if list contains Result objects
/// \param hasFeature will be set to true if list contains Feature objects
/// \param hasParameter will be set to true if list contains Parameter objects
/// \param hasCompositeOwner will be set to true if list contains Sub-Feature objects
/// \param hasResultInHistory will be set to true if one of result is in history
/// \param hasFolder will be set to true if one of folder is in the list
MODULEBASE_EXPORT void checkObjects(const QObjectPtrList& theObjects, bool& hasResult,
                           bool& hasFeature, bool& hasParameter, bool& hasCompositeOwner,
                           bool& hasResultInHistory, bool& hasFolder);

/// Sets the default coeffient into the driver calculated accordingly the shape type.
/// It provides 1.e-4 for results of construction type
/// \param theResult a result object to define the deviation coefficient
/// \param theDrawer a drawer
//MODULEBASE_EXPORT void setDefaultDeviationCoefficient(
//                           const std::shared_ptr<ModelAPI_Result>& theResult,
//                           const Handle(Prs3d_Drawer)& theDrawer);

/// Sets the default coeffient into the driver calculated accordingly the shape type.
/// It provides 1.e-4 for a shape withe Edge shape type
/// \param theShape a shape to define the deviation coefficient,
/// \param theDrawer a drawer
MODULEBASE_EXPORT void setDefaultDeviationCoefficient(const TopoDS_Shape& theShape,
                                                      const Handle(Prs3d_Drawer)& theDrawer);

/// Obtains the color from the property manager and converts it to the OCCT color
/// \param theSection a property section
/// \param theName a property item name
/// \return quantity color
MODULEBASE_EXPORT Quantity_Color color(const std::string& theSection,
                                       const std::string& theName);

/// Returns the object from the attribute
/// \param theObj an object
MODULEBASE_EXPORT ObjectPtr getObject(const AttributePtr& theAttribute);

/// Returns the object from the attribute
/// \param theObj an object
MODULEBASE_EXPORT TopAbs_ShapeEnum getCompoundSubType(const TopoDS_Shape& theShape);

/// Returns either presentation shape or shape of BREP owner if it is casted to it
/// \param thePrs selection presentation
/// \return shape
MODULEBASE_EXPORT TopoDS_Shape getSelectedShape(
  const std::shared_ptr<ModuleBase_ViewerPrs>& thePrs);

/// Returns list of parameters accessible in the active part and partset
/// \theParameters a list of parameter names
MODULEBASE_EXPORT void getParameters(QStringList& theParameters);

/// Returns list of parameters accessible in the active part and partset
/// \theParameters a list of parameter names
MODULEBASE_EXPORT std::string findGreedAttribute(ModuleBase_IWorkshop* theWorkshop,
                                                 const FeaturePtr& theFeature);

/// Set the object to the attribute depending on the attribute type. If it is a list,
/// the values are appended if they are not in the list yet.
/// \param theAttribute an attribute where the object and shape are set
/// \param theObject an object
/// \param theShape a shape
/// \param theWorkshop to find an attribute for the given shape for attribute reference
/// \param theTemporarily if it is true, do not store and name the added in the data framework
///        It is useful for attribute selection
MODULEBASE_EXPORT bool hasObject(const AttributePtr& theAttribute, const ObjectPtr& theObject,
                                 const std::shared_ptr<GeomAPI_Shape>& theShape,
                                 ModuleBase_IWorkshop* theWorkshop,
                                 const bool theTemporarily);

/// Set the object to the attribute depending on the attribute type. If it is a list,
/// the values are appended if they are not in the list yet.
/// \param theAttribute an attribute where the object and shape are set
/// \param theObject an object
/// \param theShape a shape
/// \param theWorkshop to find an attribute for the given shape for attribute reference
/// \param theTemporarily if it is true, do not store and name the added in the data framework
/// \param theCheckIfAttributeHasObject if it is true, the check isInList is called
///        It is useful for attribute selection
/// \return true if the attribute is filled with the given parameters
MODULEBASE_EXPORT bool setObject(const AttributePtr& theAttribute, const ObjectPtr& theObject,
                                 const std::shared_ptr<GeomAPI_Shape>& theShape,
                                 ModuleBase_IWorkshop* theWorkshop,
                                 const bool theTemporarily,
                                 const bool theCheckIfAttributeHasObject);

/// Returns the shape of the attribute. If the attribute is AttributeRefAttrPtr, the shape is found
/// using current module of the given workshop.
/// \param theAttribute an attribute where the shape is set
/// \param theWorkshop to find a shape for the given attribute
MODULEBASE_EXPORT std::shared_ptr<GeomAPI_Shape> getShape(const AttributePtr& theAttribute,
                                                          ModuleBase_IWorkshop* theWorkshop);

/// Flush updated signal for the object. The viewer update is blocked in the process
/// \param theObject parameter of the signal
MODULEBASE_EXPORT void flushUpdated(ObjectPtr theObject);

/// Sends a message about block/unblock viewer updating
/// \param theValue a boolean value
MODULEBASE_EXPORT void blockUpdateViewer(const bool theValue);

/// Generates a wrapped string to be less than value with '\n' separators
/// \param theValue a boolean value
/// \param theWidget a widget to know the font
/// \param theMaxLineInPixels a maximum line width in pixels
MODULEBASE_EXPORT QString wrapTextByWords(const QString& theValue, QWidget* theWidget,
                                             int theMaxLineInPixels = 150);

/// Generates a locale to disable thousands separator for spin box
/// (to avoid inconsistency of double-2-string and string-2-double conversion)
/// \return locale
MODULEBASE_EXPORT QLocale doubleLocale();

/// Returns a container of referenced feature to the current object in the object document.
/// \param theObject an object, which will be casted to a feature type
/// \param theRefFeatures an output container
void MODULEBASE_EXPORT refsToFeatureInFeatureDocument(const ObjectPtr& theObject,
                                                      std::set<FeaturePtr>& theRefFeatures);


/// Returns true if the object if a sub child of the feature. The feature is casted to the
/// composite one. If it is possible, the sub object check happens. The method is applied
/// recursively to the feature subs.
/// \param theObject a candidate to be a sub object
/// \param theFeature a candidate to be a composite feature
/// \return a boolean value
//bool MODULEBASE_EXPORT isSubOfComposite(const ObjectPtr& theObject, const FeaturePtr& theFeature);


/// Returns true if the result is a sub object of some composite object
/// \param theObject a result object
/// \returns boolean value
//bool MODULEBASE_EXPORT isSubOfComposite(const ObjectPtr& theObject);


/// Returns first result of the feature: the object itself if it is a result of
/// first result of the object's feature
/// \param theObject an object
/// \return first result or NULL
std::shared_ptr<ModelAPI_Result> MODULEBASE_EXPORT firstResult(const ObjectPtr& theObject);

/// Returns true if the list contains at least one feature from the module document(PartSet)
/// The Part features are skipped.
/// \param theFeatures a list of features
/// \bool true if it is found
bool MODULEBASE_EXPORT hasModuleDocumentFeature(const std::set<FeaturePtr>& theFeatures);

/// Shows a dialog box about references. Ask whether they should be also removed.
/// \param theFeatures a list of features
/// \param theReferences a map of all references to the features
/// \param theParent a parent widget for the question message box
/// \param theReferencesToDelete an out set for references features to be removed
/// \return true if in message box answer is Yes
bool MODULEBASE_EXPORT askToDelete(const std::set<FeaturePtr> aFeatures,
                                   const std::map<FeaturePtr,
                                   std::set<FeaturePtr> >& theReferences,
                                   QWidget* theParent,
                                   std::set<FeaturePtr>& theReferencesToDelete,
                                   const std::string& thePrefixInfo = "");

/// Converts a list of objects to set of corresponded features. If object is result, it is ignored
/// because the feature only might be removed. But if result is in a parameter group, the feature
/// of this parameter is to be removed
/// \param theObjects a list of objects
/// \param theFeatures an out container of features
void MODULEBASE_EXPORT convertToFeatures(const QObjectPtrList& theObjects,
                                         std::set<FeaturePtr>& theFeatures);


/// Converts a list of objects to set of folders.
/// \param theObjects a list of objects
/// \param theFeatures an out container of features
void MODULEBASE_EXPORT convertToFolders(const QObjectPtrList& theObjects,
                                         std::set<FolderPtr>& theFolders);


/// Returns translation from the given data.
/// If translation is not exists then it returns a string
/// from the info data without translation
/// \param theMessage a message which have to be translated
QString MODULEBASE_EXPORT translate(const Events_InfoMessage& theMessage);

/// Returns translation from the given data.
/// If translation is not exists then it returns a string
/// from the info data without translation
/// \param theContext context of the message (Feature Id)
/// \param theMessage a message which have to be translated
QString MODULEBASE_EXPORT translate(const std::string& theContext, const std::string& theMessage);

/// Set Highlighting of points as a Ball shape
/// \param theAIS - the presentation
void MODULEBASE_EXPORT setPointBallHighlighting(AIS_Shape* theAIS);

/// Creates a parameter from a given string
/// \theText a text wit equation
FeaturePtr MODULEBASE_EXPORT createParameter(const QString& theText);

/// Edits parameter replacing its name and expression according to the given string
/// \theParam a editing parameter
/// \theText a text wit equation
void MODULEBASE_EXPORT editParameter(FeaturePtr theParam, const QString& theText);

/// Returns True if a parameter with the given name already exists
/// \theName a name of parameter
bool MODULEBASE_EXPORT isNameExist(const QString& theName, FeaturePtr theIgnoreParameter);

/// Find parameter by its name
/// \theName a name of parameter
FeaturePtr MODULEBASE_EXPORT findParameter(const QString& theName);

/// Returns true if both shapes are the same. In case of compounds it
/// compares their contents.
/// \param theShape1 a first shape to compare
/// \param theShape2 a second shape to compare
/// \return true if both shapes are the same
bool MODULEBASE_EXPORT isSameShape(const TopoDS_Shape& theShape1, const TopoDS_Shape& theShape2);

//----------- Class members -------------
/// Returns a name in the next form: attribute_feature_name/attribute_id
/// \param theAttribute a model attribute
/// \param theWorkshop a workshop class instance
/// \return string value
std::string MODULEBASE_EXPORT generateName(const AttributePtr& theAttribute,
  ModuleBase_IWorkshop* theWorkshop);

/// Returns pixel ratio of a screen where main window is displayed
qreal MODULEBASE_EXPORT currentPixelRatio();
}

#endif