-// Copyright (C) 2014-20xx CEA/DEN, EDF R&D
-
-// File: ModuleBase_ModelWidget.h
-// Created: 25 Apr 2014
-// Author: Natalia ERMOLAEVA
+// Copyright (C) 2014-2017 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<mailto:webmaster.salome@opencascade.com>
+//
#ifndef MODULEBASE_MODELWIDGET_H
#define MODULEBASE_MODELWIDGET_H
#include <ModuleBase.h>
-#include <ModuleBase_ViewerPrs.h>
-
+#include <ModuleBase_OperationFeature.h>
#include <ModelAPI_Feature.h>
#include <QWidget>
#include <memory>
class Config_WidgetAPI;
+class Events_InfoMessage;
+class ModuleBase_IPropertyPanel;
+class ModuleBase_IWorkshop;
+class ModuleBase_ViewerPrs;
+class ModuleBase_WidgetValidator;
class QKeyEvent;
/**\class ModuleBase_ModelWidget
* \ingroup GUI
- * \brief An abstract custom widget class. This class realization is assumed to create some controls.
+ * \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.
*
* Common interface for widgets in the property panel.
{
Q_OBJECT
public:
+ /// 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
+
+ enum EnableState { On, /// the widget value is always enabled
+ Off, /// the widget value is always disabled
+ /// the widget value enable state is defined in preferences
+ DefinedInPreferences };
+
/// Constructor
/// \param theParent the parent object
- /// \param theData the widget configuation. 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);
+ /// \param theData the widget configuration. The attribute of the model widget is obtained from
+ /// a low-level API for reading xml definitions of widgets
+ ModuleBase_ModelWidget(QWidget* theParent, const Config_WidgetAPI* theData);
/// Destructor
- virtual ~ModuleBase_ModelWidget()
- {
- }
+ virtual ~ModuleBase_ModelWidget();
- /// Fills the widget with default values
- virtual void reset() {};
+ /// 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
std::string getDefaultValue() const { return myDefaultValue; }
+ /// Returns true, if widget is internal
+ /// \return the boolean result
+ bool isInternal() const { return myIsInternal; }
+
+ /// 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 true, if the widget value is enabled and might be modified manualy.
+ /// It returns false if the application preferences allow having disabled value
+ /// and the internal state tells to disable
+ /// \return the boolean result
+ virtual bool isValueEnabled() const;
+
+ /// Returns this parameter value in the xml file
+ /// \return the boolean result
+ bool isUseReset() const { return myUseReset; }
+
+ /// Returns this parameter value in the xml file
+ /// \return the boolean result
+ std::string isModifiedInEdit() const { return myIsModifiedInEdit; }
+
+ /// Returns this widget value state
+ /// \return the enumeration result
+ ValueState getValueState() const { return myState; }
+
+ /// Stores the widget value if it is modified
+ void processValueState();
+
+ /// Returns an attribute error according to the value state
+ /// It exists in all cases excepring the "Store" case
+ Events_InfoMessage 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; };
+ virtual bool canAcceptFocus() 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
+ //! \param theValueStateChecked the boolean flag if the state of the widget should be checked
+ //! \return string value
+ QString getError(const bool theValueStateChecked = true) 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 setSelection(ModuleBase_ViewerPrs theValue)
+ /// \param theValues the wrapped selection values
+ /// \param theToValidate the boolean value whether the value should be checked by filters
+ virtual bool setSelection(QList<std::shared_ptr<ModuleBase_ViewerPrs>>& theValues,
+ const bool theToValidate)
{
return false;
}
- /// Restore value from attribute data to the widget's control
- virtual bool restoreValue() = 0;
+ /// Returns values which should be highlighted when the whidget is active
+ /// \param theValues a list of presentations
+ virtual void getHighlighted(QList<std::shared_ptr<ModuleBase_ViewerPrs>>& theValues) {};
+
+ /// Checks if the selection presentation is valid in widget
+ /// \param theValue a selected presentation in the view
+ /// \return a boolean value
+ virtual bool isValidSelectionCustom(const std::shared_ptr<ModuleBase_ViewerPrs>& theValue)
+ { return true; }
+
+ /// Returns widget validator, by default it is NULL. To be created in a child if necessary
+ ModuleBase_WidgetValidator* widgetValidator() { return myWidgetValidator; }
+
+ /// Restore value from attribute data to the widget's control.
+ /// Emits signals before and after store
+ /// \return True in success
+ bool restoreValue();
+
+ /// Saves the internal parameters to the given feature. Emits signals before and after store
+ /// \return True in success
+ bool storeValue();
- /// Set focus to the first control of the current widget. The focus policy of the control is checked.
+ /// 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();
- /// The methiod called when widget is activated
+ /// 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 methiod called when widget is deactivated
- virtual void deactivate() {}
+ /// 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
- void enableFocusProcessing();
+ /// \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();
//! Switch On/Off highlighting of the widget
- void setHighlighted(bool isHighlighted);
+ virtual void setHighlighted(bool isHighlighted);
/// Returns the attribute name
/// \returns the string value
return myAttributeID;
}
- /// Returns the parent of the attribute
- /// \returns the string value
- std::string parentID() const
- {
- return myParentId;
- }
-
/// \return Current feature
FeaturePtr feature() const
{
return myFeature;
}
+ /// \return Context for translation
+ virtual std::string context() const {
+
+ std::string aContext = myFeatureId;
+ if(!aContext.empty() && !myAttributeID.empty()) {
+ aContext += ":";
+ }
+ aContext += myAttributeID;
+
+ return aContext;
+ }
+
/// 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);
+ /// \param isUpdateFlushed a flag if update should be flushed on store value
+ void setFeature(const FeaturePtr& theFeature, const bool theToStoreValue = false,
+ const bool isUpdateFlushed = true);
/// Editing mode depends on mode of current operation. This value is defined by it.
- void setEditingMode(bool isEditing) { myIsEditing = isEditing; }
+ virtual 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
+ void updateObject(ObjectPtr theObj);
+
+ /// Translate passed string with widget context()
+ virtual QString translate(const std::string& theStr) const;
+
+ /// Emit focus in widget to set this control as active in propety panel
+ void emitFocusInWidget() { emit focusInWidget(this); }
+
+ /// Finds model widget parent of the given sub widget
+ /// \param theWidget a candidate to be a child of the model widget
+ /// \param theProp a property panel instance
+ /// \return a model widget or NULL
+ static ModuleBase_ModelWidget* findModelWidget(ModuleBase_IPropertyPanel* theProp,
+ QWidget* theWidget);
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 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
/// \param theWidget the model base widget
void focusOutWidget(ModuleBase_ModelWidget* theWidget);
- protected:
- /// Saves the internal parameters to the given feature
- /// \return True in success
- virtual bool storeValue() const = 0;
+ /// The signal about value state modification
+ void valueStateChanged(int theState);
+
+ /// The signal is emitted after flush of updates singal for the widget
+ void objectUpdated();
+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;
}
- /// The methiod called when widget is activated
- virtual void activateCustom() {};
+ /// 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);
- /// Sends Update and Redisplay for the given object
- /// \param theObj is updating object
- void updateObject(ObjectPtr theObj) const;
+ /// 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();
- /// Sends Move event for the given object
- /// \param theObj is object for moving
- void moveObject(ObjectPtr theObj) const;
+ /// Saves the internal parameters to the given feature
+ /// \return True in success
+ virtual bool storeValueCustom() = 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() {};
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:
+ /// own validator, by default it is zero
+ ModuleBase_WidgetValidator* myWidgetValidator;
/// The attribute name of the model feature
- std::string myAttributeID;
-
- /// Name of parent
- std::string myParentId;
+ std::string myAttributeID;
/// A feature which is processing by active operation
- FeaturePtr myFeature;
+ FeaturePtr myFeature;
+
+ /// A feature ID
+ std::string myFeatureId;
/// Flag which shows that current operation is in editing mode
- bool myIsEditing;
+ 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;
+
+ /// Flag about value of the control is enabled (can be modified)
+ EnableState myIsValueEnabled;
+
+ /// 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;
+ bool myIsComputedDefault;
+
+ /// the default value, which is defined in the XML for this attribute
+ std::string myDefaultValue;
+
+ /// an XML internal state
+ bool myIsInternal;
+
+ // an XML state, the value is not stored into model if the widget is in edit mode
+ std::string myIsModifiedInEdit;
+
+ /// 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;
+ /// do not flush updated signal
+ bool myFlushUpdateBlocked;
};
#endif