+// Copyright (C) 2014-20xx CEA/DEN, EDF R&D
+
// File: ModuleBase_ModelWidget.h
// Created: 25 Apr 2014
// Author: Natalia ERMOLAEVA
#define MODULEBASE_MODELWIDGET_H
#include <ModuleBase.h>
-
+#include <ModuleBase_ViewerPrs.h>
+#include <ModuleBase_OperationFeature.h>
#include <ModelAPI_Feature.h>
-#include <QObject>
+#include <QWidget>
-#include <boost/shared_ptr.hpp>
+#include <memory>
class Config_WidgetAPI;
-class ModuleBase_WidgetValue;
+class ModuleBase_IWorkshop;
class QKeyEvent;
/**\class ModuleBase_ModelWidget
+ * \ingroup GUI
* \brief An abstract custom widget class. This class realization is assumed to create some controls.
* The controls values modification should send signal about values change.
*
* Every widget are able to save/restore data from the model and/or to contain other widgets.
*
*/
-class MODULEBASE_EXPORT ModuleBase_ModelWidget : public QObject
+class MODULEBASE_EXPORT ModuleBase_ModelWidget : public QWidget
{
Q_OBJECT
public:
- /// Constructor
- /// \theParent the parent object
- /// \theData the widget configuation. The attribute of the model widget is obtained from
+ /// State of the widget
+ enum ValueState { Stored, /// modification is finished and applyed to the model
+ ModifiedInPP, /// modification has not been finished and set to the model yet
+ ModifiedInViewer, /// modification performed by viewer events
+ Reset }; /// the value is reset
+
+ /// Constructor
+ /// \param theParent the parent object
+ /// \param theData the widget configuration. The attribute of the model widget is obtained from
+ /// \param theParentId is Id of a parent of the current attribute
ModuleBase_ModelWidget(QWidget* theParent, const Config_WidgetAPI* theData,
const std::string& theParentId);
/// Destructor
{
}
+ /// Fills the widget with default values. It calls the resetCustom method and change
+ /// the widget state to Reset if the reset is performed.
+ /// \return true if the widget current value is reset
+ bool reset();
+
/// Returns the state whether the attribute of the feature is initialized
/// \param theObject a model feature to be checked
/// \return the boolean result
/// Returns true, if default value of the widget should be computed
/// on operation's execute, like radius for circle's constraint (can not be zero)
- bool isComputedDefault() { return myIsComputedDefault; }
+ bool isComputedDefault() const { return myIsComputedDefault; }
+
+ /// Returns true, if default value of the widget is defined in the XML and it is not the
+ /// computed value
+ /// \return the boolean result
+ std::string getDefaultValue() const { return myDefaultValue; }
+
+ /// Returns true, if widget is internal
+ /// \return the boolean result
+ bool isInternal() const { return myIsInternal; }
- /// Returns false for non-obligatory widgets which are
- /// valid even if they are not initialized
- bool isObligatory() { return myIsObligatory; }
+ /// Returns true, if the obligatory value of the widget is not defined in the XML or has true value
+ /// \return the boolean result
+ bool isObligatory() const { return myIsObligatory; }
+
+ /// Returns this parameter value in the xml file
+ /// \return the boolean result
+ bool isUseReset() const { return myUseReset; }
+
+ /// Returns this widget value state
+ /// \return the enumeration result
+ ValueState getValueState() const { return myState; }
+
+ /// Returns an attribute error according to the value state
+ /// It exists in all cases excepring the "Store" case
+ QString getValueStateError() const;
/// Defines if it is supposed that the widget should interact with the viewer.
virtual bool isViewerSelector() { return false; }
+ /// Defines if it is supported to set the value in this widget
+ /// By default it returns true
+ virtual bool canSetValue() const { return true; };
+
+ //! Returns the widget error, get it from the attribute validator and state of the widget
+ //! If the feature is correct, it returns an empty value
+ //! \return string value
+ QString getError() const;
+
/// Set the given wrapped value to the current widget
/// This value should be processed in the widget according to the needs
- /// \param theValue the wrapped widget value
- virtual bool setValue(ModuleBase_WidgetValue* theValue)
+ /// \param theValues the wrapped selection values
+ /// \param theToValidate the boolean value whether the value should be checked by filters
+ virtual bool setSelection(QList<ModuleBase_ViewerPrs>& theValues,
+ const bool theToValidate)
{
return false;
}
- /// Saves the internal parameters to the given feature
- /// \param theObject a model feature to be changed
- virtual bool storeValue() const = 0;
+ /// Returns values which should be highlighted when the whidget is active
+ /// \param theValues a list of presentations
+ virtual void getHighlighted(QList<ModuleBase_ViewerPrs>& theValues) {};
- virtual bool restoreValue() = 0;
+ /// Restore value from attribute data to the widget's control. Emits signals before and after store
+ /// \return True in success
+ bool restoreValue();
/// Set focus to the first control of the current widget. The focus policy of the control is checked.
/// If the widget has the NonFocus focus policy, it is skipped.
/// \return the state whether the widget can accept the focus
virtual bool focusTo();
- /// Returns the internal parent wiget control, that can be shown anywhere
- /// \returns the widget
- virtual QWidget* getControl() const = 0;
+ /// Select the internal content if it can be selected. It is empty in the default realization
+ virtual void selectContent() {}
+
+ /// The method called when widget is activated
+ void activate();
+
+ /// The method called when widget is deactivated
+ virtual void deactivate();
/// Returns list of widget controls
/// \return a control list
virtual QList<QWidget*> getControls() const = 0;
+ /// Returns the first or the last control that can accept the focus
+ /// \param isFirst if true, the first controls is returned or the last one
+ /// \return a control from a list of controls
+ QWidget* getControlAcceptingFocus(const bool isFirst);
/// FocusIn events processing
virtual bool eventFilter(QObject* theObject, QEvent *theEvent);
+ /// \brief Enables processing of focus event on all controls by the widget
+ /// if this widget is not obligatory and set no-focus policy otherwise
+ virtual void enableFocusProcessing();
- void enableFocusProcessing();
-
- void setHighlighted(bool isHighlighted);
+ //! Switch On/Off highlighting of the widget
+ virtual void setHighlighted(bool isHighlighted);
/// Returns the attribute name
/// \returns the string value
return myParentId;
}
+ /// \return Current feature
FeaturePtr feature() const
{
return myFeature;
}
- void setFeature(const FeaturePtr& theFeature)
- {
- myFeature = theFeature;
- }
+ /// Set feature which is processing by active operation
+ /// \param theFeature a feature object
+ /// \param theToStoreValue a value about necessity to store the widget value to the feature
+ void setFeature(const FeaturePtr& theFeature, const bool theToStoreValue = false);
+
+ /// Editing mode depends on mode of current operation. This value is defined by it.
+ void setEditingMode(bool isEditing) { myIsEditing = isEditing; }
+
+ /// \return Current Editing mode
+ bool isEditingMode() const { return myIsEditing; }
+
+ /// Returns true if the event is processed. The default implementation is empty, returns false.
+ virtual bool processEnter();
+
+ /// Returns true if the event is processed. The default implementation is empty, returns false.
+ virtual bool processDelete();
+
+ /// Sends Update and Redisplay for the given object
+ /// \param theObj is updating object
+ static void updateObject(ObjectPtr theObj);
+
+ /// Sends Move event for the given object
+ /// \param theObj is object for moving
+ static void moveObject(ObjectPtr theObj);
signals:
+ /// The signal about widget values are to be changed
+ void beforeValuesChanged();
/// The signal about widget values changed
void valuesChanged();
+ /// The signal about widget values modified
+ void valuesModified();
+ /// The signal about widget values are to be changed
+ void afterValuesChanged();
+
+ /// The signal about widget values are to be restored
+ void beforeValuesRestored();
+ /// The signal about widget values are to be restored
+ void afterValuesRestored();
+
/// The signal about key release on the control, that corresponds to the attribute
- /// \param theAttributeName a name of the attribute
+ /// \param theObject a sender of the event
/// \param theEvent key release event
- void keyReleased(QKeyEvent* theEvent);
+ void keyReleased(QObject* theObject, QKeyEvent* theEvent);
+
+ /// The signal is emitted if the enter is clicked in the control of the widget
+ /// \param theObject a sender of the event
+ void enterClicked(QObject* theObject);
+
/// The signal about the widget is get focus
/// \param theWidget the model base widget
void focusInWidget(ModuleBase_ModelWidget* theWidget);
+
/// The signal about the widget is lost focus
/// \param theWidget the model base widget
void focusOutWidget(ModuleBase_ModelWidget* theWidget);
- protected:
- /// Returns the attribute name
- /// \returns the string value
+ /// The signal about value state modification
+ void valueStateChanged(int theState);
+
+protected:
+ /// Sets default value of widget. Normally, widget should fetch this value
+ /// from the xml. However, some widgets derived widgets could define it
+ void setDefaultValue(const std::string& theValue);
+ /// \brief Set the attribute name
+ /// \param theAttribute the string value with attribute name
void setAttributeID(const std::string& theAttribute)
{
myAttributeID = theAttribute;
}
- void updateObject(ObjectPtr theObj) const;
+ /// Sets the current value state. If the value is changed, the signal is emitted
+ /// If the current value state is Blocked, this method do nothing
+ /// \param theState a new state
+ /// \return the previous value state
+ ValueState setValueState(const ValueState& theState);
+
+ /// Blocks the value state change.
+ /// \param theBlocked a block state
+ /// \return the previous value
+ bool blockValueState(const bool theBlocked);
+
+ /// Compute the feature default value and fill the controls with it
+ /// or store the control value to the feature
+ virtual void initializeValueByActivate();
+
+ /// Saves the internal parameters to the given feature. Emits signals before and after store
+ /// \return True in success
+ bool storeValue();
+
+ /// Saves the internal parameters to the given feature
+ /// \return True in success
+ virtual bool storeValueCustom() const = 0;
+
+ /// Restore value from attribute data to the widget's control
+ virtual bool restoreValueCustom() = 0;
+
+ /// Fills the widget with default values
+ /// \return true if the widget current value is reset
+ virtual bool resetCustom() { return false; };
+
+ /// The method called when widget is activated
+ virtual void activateCustom() {};
+
+ /// Sends a message about block/unblock viewer updating
+ /// \param theValue a boolean value
+ static void blockUpdateViewer(const bool theValue);
+
+protected slots:
+ /// Processing of values changed in model widget by store the current value to the feature
+ void onWidgetValuesChanged();
+
+ /// Changes widget state.
+ void onWidgetValuesModified();
protected:
- std::string myAttributeID; /// the attribute name of the model feature
- std::string myParentId; /// name of parent
+
+ /// The attribute name of the model feature
+ std::string myAttributeID;
+
+ /// Name of parent
+ std::string myParentId;
+
+ /// A feature which is processing by active operation
FeaturePtr myFeature;
- bool myIsComputedDefault; /// Value should be computed on execute,
- /// like radius for circle's constraint (can not be zero)
- bool myIsObligatory; /// Non-obligatory widget is valid even if it is not initialized
+ /// Flag which shows that current operation is in editing mode
+ bool myIsEditing;
+
+ /// Flag which shows whether current widget is obligatory
+ /// The non-obligatory widgets should not accept the focus in the property panel
+ bool myIsObligatory;
+
+ /// The widget value state
+ ValueState myState;
+
+private:
+ /// Value should be computed on execute, like radius for circle's constraint (can not be zero)
+ bool myIsComputedDefault;
+
+ /// the default value, which is defined in the XML for this attribute
+ std::string myDefaultValue;
+
+ /// an XML internal state
+ bool myIsInternal;
+
+ /// the reset state. If it is false, the reset method of the widget is not performed
+ bool myUseReset;
+ /// blocked flag of modification of the value state
+ bool myIsValueStateBlocked;
+
+ friend class ModuleBase_OperationFeature; // to call storeValue() by commit if value state is ModifiedInPP
};
#endif