/****************************************************************************
**
** This file is part of the LibreCAD project, a 2D CAD program
**
** Copyright (C) 2010 R. van Twisk (librecad@rvt.dds.nl)
** Copyright (C) 2001-2003 RibbonSoft. All rights reserved.
**
**
** This file may be distributed and/or modified under the terms of the
** GNU General Public License version 2 as published by the Free Software
** Foundation and appearing in the file gpl-2.0.txt included in the
** packaging of this file.
**
** This program 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 General Public License for more details.
**
** You should have received a copy of the GNU General Public License
** along with this program; if not, write to the Free Software
** Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA  02110-1301  USA
**
** This copyright notice MUST APPEAR in all copies of the script!
**
**********************************************************************/


#ifndef RS_DIALOGFACTORYINTERFACE_H
#define RS_DIALOGFACTORYINTERFACE_H

#include "rs.h"
#include <QString>

class RS_ActionInterface;
struct RS_ArcData;
class RS_AttributesData;
class RS_BevelData;
class RS_Block;
struct RS_BlockData;
class RS_BlockList;
struct RS_CircleData;
struct RS_DimLinearData;
struct RS_DimensionData;
class RS_Document;
class RS_Entity;
class RS_EventHandler;
class RS_Graphic;
class RS_GraphicView;
class RS_Grid;
class RS_Hatch;
class RS_Insert;
class RS_Layer;
class RS_LayerList;
class RS_MirrorData;
class RS_MoveData;
class RS_MoveRotateData;
class RS_MText;
class RS_Painter;
class RS_Rotate2Data;
class RS_RotateData;
class RS_RoundData;
class RS_ScaleData;
class RS_Solid;
class RS_Text;
class RS_Vector;
class QG_MouseWidget;
class QG_CoordinateWidget;
class QG_SelectionWidget;
class QG_CommandWidget;

/**
 * Interface for objects that can create and show dialogs.
 */
class RS_DialogFactoryInterface {
public:
	virtual ~RS_DialogFactoryInterface() = default;

    /**
     * This virtual method must be overwritten and must provide
     * a message dialog.
     */
    virtual void requestWarningDialog(const QString& warning) = 0;

        /**
         * This virtual method must be overwritten and must create a new
         * window for the given document or for a new document isf no document
         * is given.
         */
//    virtual RS_GraphicView* requestNewDocument(const QString& fileName = QString(),
//                        RS_Document* doc=NULL) = 0;

    /**
     * This virtual method must be overwritten and must provide
     * a dialog for choosing the properties of a new layer to be
     * created. The method must create the new layer but not add
     * it to the layer list. The latter is up to the caller.
     *
     * @return The implementation is expected to return a pointer
     *         to the newly created layer or NULL if the user
     *         cancels the dialog.
     */
    virtual RS_Layer* requestNewLayerDialog(
        RS_LayerList* layerList = NULL) = 0;

    /**
     * This virtual method must be overwritten and must provide
     * a dialog that asks for permission for removing the selected
     * layer from the layer list. The method must not actually
     * remove the layer. This is up to the caller.
     *
     * @return The implementation is expected to return a pointer
     *         to the layer which can ne removed or NULL if the user
     *         cancels the dialog.
     */
    virtual RS_Layer* requestLayerRemovalDialog(
        RS_LayerList* layerList = NULL) = 0;

    /**
     * This virtual method must be overwritten and must provide
     * a dialog that asks for permission for removing the selected
     * layers from the layer list. The method must not actually
     * remove those layers. This is up to the caller.
     *
     * @return The implementation is expected to return a list
     *         of selected layers names to be removed, or empty
     *         list if the user cancels the dialog.
     */
    virtual QStringList requestSelectedLayersRemovalDialog(
        RS_LayerList* layerList = NULL) = 0;

    /**
     * This virtual method must be overwritten and must provide
     * a dialog to edit the layers attributes. The method must
     * not actually edit the layer. This is up to the caller.
     *
     * @return The implementation is expected to return a pointer
     *         to the modified layer or NULL if the user
     *         cancels the dialog.
     */
    virtual RS_Layer* requestEditLayerDialog(
        RS_LayerList* layerList = NULL) = 0;

    /**
     * This virtual method must be overwritten and must provide
     * a dialog for choosing the properties of a new block to be
     * created. The method must create the new block but not add
     * it to the block list. The latter is up to the caller.
    *
    * @param block Pointer to the newly created block with default
    *              attributes.
     *
     * @return The implementation is expected to return a pointer
     *         to the newly created block or NULL if the user
     *         cancels the dialog.
     */
    virtual RS_BlockData requestNewBlockDialog(RS_BlockList* blockList) = 0;

    /**
     * This virtual method must be overwritten and must provide
     * a dialog that asks for permission for removing the selected
     * block from the block list. The method must not actually
     * remove the block. This is up to the caller.
     *
     * @return The implementation is expected to return a pointer
     *         to the block which can be removed or NULL if the user
     *         cancels the dialog.
     */
    virtual RS_Block* requestBlockRemovalDialog(
        RS_BlockList* blockList) = 0;

    /**
     * This virtual method must be overwritten and must provide
     * a dialog that asks for permission for removing the selected
     * blocks from the block list. The method must not actually
     * remove those blocks. This is up to the caller.
     *
     * @return The implementation is expected to return a list
     *         of selected blocks to be removed, or empty
     *         list if the user cancels the dialog.
     */
    virtual QList<RS_Block*> requestSelectedBlocksRemovalDialog(
        RS_BlockList* blockList = NULL) = 0;

    /**
     * This virtual method must be overwritten and must provide
     * a dialog that allows to change blocks attributes of the
     * currently active block.
     *
     * @return The implementation is expected to return a pointer
     *         to the block which was changed or NULL if the user
     *         cancels the dialog.
     */
    virtual RS_BlockData requestBlockAttributesDialog(
        RS_BlockList* blockList) = 0;

    /**
     * This virtual method must be overwritten and should provide
     * a way to edit a block.
     */
    virtual void requestEditBlockWindow(
        RS_BlockList* blockList) = 0;

        virtual void closeEditBlockWindow(RS_Block* block) = 0;

    /**
     * This virtual method must be overwritten and must provide
     * a dialog to get a filename for saving a file. The method must
     * not actually save the file. This is up to the caller.
     *
     * @return The implementation is expected to return a string
     *         which contains the file name or an empty string if
     *         the user cancels the dialog.
     */
    //virtual QString requestFileSaveAsDialog() = 0;

    /**
     * This virtual method must be overwritten and must provide
     * a dialog to get a filename for opening a file. The method must
     * not actually open the file. This is up to the caller.
     *
     * @return The implementation is expected to return a string
     *         which contains the file name or an empty string if
     *         the user cancels the dialog.
     */
    //virtual QString requestFileOpenDialog() = 0;

    /**
     * This virtual method must be overwritten and must provide
     * a dialog to get a filename for opening an image file. The method must
     * not actually open the file. This is up to the caller.
     *
     * @return The implementation is expected to return a string
     *         which contains the file name or an empty string if
     *         the user cancels the dialog.
     */
    virtual QString requestImageOpenDialog() = 0;

    /**
     * This virtual method must be overwritten and must present
     * a widget for options for the given action.
     *
         * @param action Pointer to the action which needs the options.
     * @param on true: switch widget on, false: off
         * @param update true: widget gets data from the action, false:
         *   widget gets data from config file.
     */
    virtual void requestOptions(RS_ActionInterface* action,
                bool on, bool update = false) = 0;

    /**
     * This virtual method must be overwritten and must present
     * a widget for snap point with distance options.
     *
     * @param dist Distance which can be directly changed
     *             by the presented widget.
     * @param on true: switch widget on, false: off
     */
    virtual void requestSnapDistOptions(double& dist, bool on) = 0;
    virtual void requestSnapMiddleOptions(int& middlePoints, bool on) = 0;
    /**
      *This virtual method must overwritten and must present
      * a widget for actionmodifyoffset distance
      * @dist, distance of offset
      * @on, to create the widget if true, and to delete the widget if false
      */
    virtual void requestModifyOffsetOptions(double& dist, bool on) = 0;

    /**
     * This virtual method must be overwritten and must present
     * a widget for entity attributes.
     *
     * @param data Attribute data which can be directly changed
     *             by the presented widget.
     */
    virtual bool requestAttributesDialog(RS_AttributesData& data,
                RS_LayerList& layerList) = 0;

    /**
     * This virtual method must be overwritten and must present
     * a widget for move options (number of copies).
     *
     * @param data Move data which can be directly changed
     *             by the presented widget.
     */
    virtual bool requestMoveDialog(RS_MoveData& data) = 0;

    /**
     * This virtual method must be overwritten and must present
     * a widget for rotate options (number of copies, angle).
     *
     * @param data Rotation data which can be directly changed
     *             by the presented widget.
     */
    virtual bool requestRotateDialog(RS_RotateData& data) = 0;

    /**
     * This virtual method must be overwritten and must present
     * a widget for rotate options (number of copies, angle).
     *
     * @param data Scaling data which can be directly changed
     *             by the presented widget.
     */
    virtual bool requestScaleDialog(RS_ScaleData& data) = 0;

    /**
     * This virtual method must be overwritten and must present
     * a widget for mirror options (number of copies).
     *
     * @param data Mirror data which can be directly changed
     *             by the presented widget.
     */
    virtual bool requestMirrorDialog(RS_MirrorData& data) = 0;

    /**
     * This virtual method must be overwritten and must present
     * a widget for move/rotate options (number of copies, angle).
     *
     * @param data Move/rotate data which can be directly changed
     *             by the presented widget.
     */
    virtual bool requestMoveRotateDialog(RS_MoveRotateData& data) = 0;

    /**
     * This virtual method must be overwritten and must present
     * a widget for rotate around two centers options (number of
    * copies, angles).
     *
     * @param data Rotate data which can be directly changed
     *             by the presented widget.
     */
    virtual bool requestRotate2Dialog(RS_Rotate2Data& data) = 0;

    /**
     * This virtual method must be overwritten and must present
     * a dialog to edit the given entity.
     *
     * @param entity Pointer to the entity.
     */
    virtual bool requestModifyEntityDialog(RS_Entity* entity) = 0;

    /**
     * This virtual method must be overwritten and must present
     * a dialog to edit multi-line text entity attributes.
     *
     * @param entity Pointer to the mtext entity.
     */
    virtual bool requestMTextDialog(RS_MText* text) = 0;

    /**
     * This virtual method must be overwritten and must present
     * a dialog to edit text entity attributes.
     *
     * @param entity Pointer to the text entity.
     */
    virtual bool requestTextDialog(RS_Text* text) = 0;

    /**
     * This virtual method must be overwritten and must present
     * a dialog to select pattern attributes.
     *
     * @param entity Pointer to the hatch entity.
     */
    virtual bool requestHatchDialog(RS_Hatch* hatch) = 0;

    /**
     * This virtual method must be overwritten and must present
     * a dialog for general application options.
     */
    virtual void requestOptionsGeneralDialog() = 0;

    /**
     * This virtual method must be overwritten and must present
     * a dialog for drawing options.
         *
         * @param graphic Graphic document.
     */
    virtual void requestOptionsDrawingDialog(RS_Graphic& graphic) = 0;

    /**
     * This virtual method must be overwritten and must present
     * a dialog for options how to export as MakeCAM SVG.
     */
    virtual bool requestOptionsMakerCamDialog() = 0;

    /**
     * This virtual method must be overwritten and must present
     * a dialog for saving a file.
     */
    virtual QString requestFileSaveAsDialog(const QString& caption = QString(),
                                            const QString& dir = QString(),
                                            const QString& filter = QString(), 
                                            QString* selectedFilter = 0) = 0;

    /**
     * This virtual method must be overwritten if the graphic view has
     * a component that is interested in the current mouse position.
     * The implementation will be called every time the mouse position
     * changes.
     *
     * @param abs Absolute coordinate of the mouse cursor or the
     *            point it snaps to.
     * @param rel Relative coordinate.
     */
    virtual void updateCoordinateWidget(const RS_Vector& abs, const RS_Vector& rel, bool updateFormat=false) = 0;

    /**
     * This virtual method must be overwritten if the graphic view has
     * a component that is interested in the current mouse button hints.
     * The implementation will be called typically by actions to inform
     * the user about the current functionality of the mouse buttons.
     *
     * @param left Help text for the left mouse button.
     * @param right Help text for the right mouse button.
	 */
	virtual void updateMouseWidget(const QString& = QString(),
								   const QString& = QString())=0;
    virtual void updateArcTangentialOptions(const double& d, bool byRadius)=0;

    /**
     * This virtual method must be overwritten if the graphic view has
     * a component that is interested in the current number of selected
         * entities.
     * The implementation will be called every time the selection
     * changes.
     *
     * @param num Number of selected entities
     */
    virtual void updateSelectionWidget(int num, double length) = 0;

    /**
     * This virtual method must be overwritten if the graphic view has
     * a component that is interested in command messages (such as a
    * command line history).
     * The implementation will be called typically by actions to inform
     * the user about current events and errors.
     *
     * @param message The message for the user.
     */
    virtual void commandMessage(const QString& message) = 0;
	virtual void setMouseWidget(QG_MouseWidget*) = 0;
	virtual void setCoordinateWidget(QG_CoordinateWidget* ) = 0;
	virtual void setSelectionWidget(QG_SelectionWidget* ) = 0;
	virtual void setCommandWidget(QG_CommandWidget* ) = 0;
};

#endif