/****************************************************************************
 **
 **  Copyright (C) 2013 Valentina project All Rights Reserved.
 **
 **  This file is part of Valentina.
 **
 **  Tox is free software: you can redistribute it and/or modify
 **  it under the terms of the GNU General Public License as published by
 **  the Free Software Foundation, either version 3 of the License, or
 **  (at your option) any later version.
 **
 **  Valentina 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 Valentina.  If not, see <http://www.gnu.org/licenses/>.
 **
 ****************************************************************************/

#include "mainwindow.h"
#include "ui_mainwindow.h"
#include "geometry/vspline.h"
#include "exception/vexceptionobjecterror.h"
#include "exception/vexceptionconversionerror.h"
#include "exception/vexceptionemptyparameter.h"
#include "exception/vexceptionwrongparameterid.h"
#include "exception/vexceptionuniqueid.h"
#include "version.h"

MainWindow::MainWindow(QWidget *parent) :
    QMainWindow(parent), ui(new Ui::MainWindow), tool(Tool::ArrowTool), currentScene(0), sceneDraw(0),
    sceneDetails(0), mouseCoordinate(0), helpLabel(0), view(0), isInitialized(false), dialogTable(0),
    dialogEndLine(QSharedPointer<DialogEndLine>()), dialogLine(QSharedPointer<DialogLine>()),
    dialogAlongLine(QSharedPointer<DialogAlongLine>()),
    dialogShoulderPoint(QSharedPointer<DialogShoulderPoint>()), dialogNormal(QSharedPointer<DialogNormal>()),
    dialogBisector(QSharedPointer<DialogBisector>()),
    dialogLineIntersect(QSharedPointer<DialogLineIntersect>()), dialogSpline(QSharedPointer<DialogSpline>()),
    dialogArc(QSharedPointer<DialogArc>()), dialogSplinePath(QSharedPointer<DialogSplinePath>()),
    dialogPointOfContact(QSharedPointer<DialogPointOfContact>()),
    dialogDetail(QSharedPointer<DialogDetail>()), dialogHeight(QSharedPointer<DialogHeight>()),
    dialogTriangle(QSharedPointer<DialogTriangle>()),
    dialogPointOfIntersection(QSharedPointer<DialogPointOfIntersection>()),
    dialogHistory(0), doc(0), data(0), comboBoxDraws(0), fileName(QString()), changeInFile(false),
    mode(Draw::Calculation){
    ui->setupUi(this);
    ToolBarOption();
    ToolBarDraws();
    QRectF sceneRect = QRectF(0, 0, PaperSize, PaperSize);
    sceneDraw = new VMainGraphicsScene(sceneRect);
    currentScene = sceneDraw;
    connect(sceneDraw, &VMainGraphicsScene::mouseMove, this, &MainWindow::mouseMove);
    sceneDetails = new VMainGraphicsScene(sceneRect);
    connect(sceneDetails, &VMainGraphicsScene::mouseMove, this, &MainWindow::mouseMove);
    view = new VMainGraphicsView();
    ui->LayoutView->addWidget(view);
    view->setScene(currentScene);
    connect(view, &VMainGraphicsView::NewFactor, sceneDraw, &VMainGraphicsScene::SetFactor);
    QSizePolicy policy(QSizePolicy::Expanding, QSizePolicy::Expanding);
    policy.setHorizontalStretch(12);
    view->setSizePolicy(policy);
    helpLabel = new QLabel(tr("Create new drawing for start working."));
    ui->statusBar->addWidget(helpLabel);

    connect(ui->actionArrowTool, &QAction::triggered, this, &MainWindow::ActionAroowTool);
    connect(ui->actionDraw, &QAction::triggered, this, &MainWindow::ActionDraw);
    connect(ui->actionDetails, &QAction::triggered, this, &MainWindow::ActionDetails);
    connect(ui->actionNewDraw, &QAction::triggered, this, &MainWindow::ActionNewDraw);
    connect(ui->actionOptionDraw, &QAction::triggered, this, &MainWindow::OptionDraw);
    connect(ui->actionSaveAs, &QAction::triggered, this, &MainWindow::ActionSaveAs);
    connect(ui->actionSave, &QAction::triggered, this, &MainWindow::ActionSave);
    connect(ui->actionOpen, &QAction::triggered, this, &MainWindow::ActionOpen);
    connect(ui->actionNew, &QAction::triggered, this, &MainWindow::ActionNew);
    connect(ui->actionTable, &QAction::triggered, this, &MainWindow::ActionTable);
    connect(ui->toolButtonEndLine, &QToolButton::clicked, this, &MainWindow::ToolEndLine);
    connect(ui->toolButtonLine, &QToolButton::clicked, this, &MainWindow::ToolLine);
    connect(ui->toolButtonAlongLine, &QToolButton::clicked, this, &MainWindow::ToolAlongLine);
    connect(ui->toolButtonShoulderPoint, &QToolButton::clicked, this, &MainWindow::ToolShoulderPoint);
    connect(ui->toolButtonNormal, &QToolButton::clicked, this, &MainWindow::ToolNormal);
    connect(ui->toolButtonBisector, &QToolButton::clicked, this, &MainWindow::ToolBisector);
    connect(ui->toolButtonLineIntersect, &QToolButton::clicked, this, &MainWindow::ToolLineIntersect);
    connect(ui->toolButtonSpline, &QToolButton::clicked, this, &MainWindow::ToolSpline);
    connect(ui->toolButtonArc, &QToolButton::clicked, this, &MainWindow::ToolArc);
    connect(ui->toolButtonSplinePath, &QToolButton::clicked, this, &MainWindow::ToolSplinePath);
    connect(ui->toolButtonPointOfContact, &QToolButton::clicked, this, &MainWindow::ToolPointOfContact);
    connect(ui->toolButtonNewDetail, &QToolButton::clicked, this, &MainWindow::ToolDetail);
    connect(ui->toolButtonHeight, &QToolButton::clicked, this, &MainWindow::ToolHeight);
    connect(ui->toolButtonTriangle, &QToolButton::clicked, this, &MainWindow::ToolTriangle);
    connect(ui->toolButtonPointOfIntersection, &QToolButton::clicked, this, &MainWindow::ToolPointOfIntersection);

    data = new VContainer;

    doc = new VDomDocument(data, comboBoxDraws, &mode);
    doc->CreateEmptyFile();
    connect(doc, &VDomDocument::haveChange, this, &MainWindow::haveChange);

    fileName.clear();
    changeInFile = false;

    //Autosaving file each 5 minutes
    QTimer *timer = new QTimer(this);
    timer->setTimerType(Qt::VeryCoarseTimer);
    connect(timer, &QTimer::timeout, this, &MainWindow::AutoSavePattern);
    timer->start(300000);

    connect(ui->actionAbout_Qt, &QAction::triggered, this, &MainWindow::AboutQt);
    connect(ui->actionAbout_Valentina, &QAction::triggered, this, &MainWindow::About);
    connect(ui->actionExit, &QAction::triggered, this, &MainWindow::close);

    ui->toolBox->setCurrentIndex(0);
}

void MainWindow::ActionNewDraw(){
    QString nameDraw;
    bool bOk;
    qint32 index;
    QString nDraw = QString(tr("Drawing %1")).arg(comboBoxDraws->count()+1);
    QInputDialog *dlg = new QInputDialog(this);
    dlg->setInputMode( QInputDialog::TextInput );
    dlg->setLabelText(tr("Drawing:"));
    dlg->setTextEchoMode(QLineEdit::Normal);
    dlg->setWindowTitle(tr("Enter a name for the drawing."));
    dlg->resize(300,100);
    dlg->setTextValue(nDraw);
    while(1){
        bOk = dlg->exec();
        nameDraw = dlg->textValue();
        if(!bOk || nameDraw.isEmpty()){
            delete dlg;
            return;
        }
        index = comboBoxDraws->findText(nameDraw);
        if(index != -1){//we already have this name
            qCritical()<<tr("Error. Drawing of same name already exists.");
        } else {
            break;
        }
    }
    delete dlg;
    bOk = doc->appendDraw(nameDraw);
    if(bOk == false){
        qCritical()<<tr("Error creating drawing with the name")<<nameDraw<<".";
        return;
    }
    disconnect(comboBoxDraws,  static_cast<void (QComboBox::*)(int)>(&QComboBox::currentIndexChanged),
               this, &MainWindow::currentDrawChanged);
    comboBoxDraws->addItem(nameDraw);
    index = comboBoxDraws->findText(nameDraw);
    if ( index != -1 ) { // -1 for not found
        comboBoxDraws->setCurrentIndex(index);
        currentDrawChanged( index );
    }
    connect(comboBoxDraws,  static_cast<void (QComboBox::*)(int)>(&QComboBox::currentIndexChanged),
            this, &MainWindow::currentDrawChanged);
    data->ClearObject();
    //Create single point
    qint64 id = data->AddPoint(VPointF((10+comboBoxDraws->count()*5)*PrintDPI/25.4, 10*PrintDPI/25.4, "А", 5,
                                       10));
    VToolSinglePoint *spoint = new VToolSinglePoint(doc, data, id, Tool::FromGui);
    sceneDraw->addItem(spoint);
    connect(spoint, &VToolPoint::ChoosedTool, sceneDraw, &VMainGraphicsScene::ChoosedItem);
    connect(sceneDraw, &VMainGraphicsScene::NewFactor, spoint, &VToolSinglePoint::SetFactor);
    QHash<qint64, VDataTool*>* tools = doc->getTools();
    tools->insert(id, spoint);
    VDrawTool::AddRecord(id, Tool::SinglePointTool, doc);
    SetEnableTool(true);
    SetEnableWidgets(true);
    changeInFile = true;
}

void MainWindow::OptionDraw(){
    QString nameDraw;
    bool bOk;
    qint32 index;
    QString nDraw = doc->GetNameActivDraw();
    QInputDialog *dlg = new QInputDialog(this);
    dlg->setInputMode( QInputDialog::TextInput );
    dlg->setLabelText(tr("Drawing:"));
    dlg->setTextEchoMode(QLineEdit::Normal);
    dlg->setWindowTitle(tr("Enter a new name for the drawing."));
    dlg->resize(300,100);
    dlg->setTextValue(nDraw);
    while(1){
        bOk = dlg->exec();
        nameDraw = dlg->textValue();
        if(!bOk || nameDraw.isEmpty()){
            delete dlg;
            return;
        }
        index = comboBoxDraws->findText(nameDraw);
        if(index != -1){//we already have this name
            qCritical()<<tr("Error. Drawing of same name already exists.");
        } else {
            break;
        }
    }
    delete dlg;
    index = comboBoxDraws->findText(doc->GetNameActivDraw());
    if(doc->SetNameDraw(nameDraw)){
        comboBoxDraws->setItemText(index, nameDraw);
    } else {
        QMessageBox::warning(this, tr("Error saving change!!!"), tr("Can't save new name of drawing"));
    }

}

template <typename Dialog, typename Func>
void MainWindow::SetToolButton(bool checked, Tool::Tools t, const QString &cursor,
                               const QString &toolTip, QSharedPointer<Dialog> &dialog,
                               Func closeDialogSlot){
    if(checked){
        CanselTool();
        tool = t;
        QPixmap pixmap(cursor);
        QCursor cur(pixmap, 2, 3);
        view->setCursor(cur);
        helpLabel->setText(toolTip);
        dialog = QSharedPointer<Dialog>(new Dialog(data, mode));
        connect(currentScene, &VMainGraphicsScene::ChoosedObject, dialog.data(), &Dialog::ChoosedObject);
        connect(dialog.data(), &Dialog::DialogClosed, this, closeDialogSlot);
        connect(dialog.data(), &Dialog::ToolTip, this, &MainWindow::ShowToolTip);
        connect(doc, &VDomDocument::FullUpdateFromFile, dialog.data(), &Dialog::UpdateList);
    } else {
        if(QToolButton *tButton = qobject_cast< QToolButton * >(this->sender())){
            tButton->setChecked(true);
        }
    }
}

template <typename T>
void MainWindow::AddToolToDetail(T *tool, const qint64 &id, Tool::Tools typeTool,
                                 const qint64 &idDetail){
    QHash<qint64, VDataTool*>* tools = doc->getTools();
    VToolDetail *det = qobject_cast<VToolDetail*>(tools->value(idDetail));
    Q_ASSERT(det != 0);
    det->AddTool(tool, id, typeTool);
}

void MainWindow::ToolEndLine(bool checked){
    SetToolButton(checked, Tool::EndLineTool, ":/cursor/endline_cursor.png", tr("Select point"),
                  dialogEndLine, &MainWindow::ClosedDialogEndLine);
}

void MainWindow::ClosedDialogEndLine(int result){
    if(result == QDialog::Accepted){
        if(mode == Draw::Calculation){
            VToolEndLine::Create(dialogEndLine, currentScene, doc, data);
        } else {
            VModelingEndLine *endLine = VModelingEndLine::Create(dialogEndLine, doc, data);
            AddToolToDetail(endLine, endLine->getId(), Tool::EndLineTool, dialogEndLine->getIdDetail());
        }
    }
    ArrowTool();
}

void MainWindow::ToolLine(bool checked){
    SetToolButton(checked, Tool::LineTool, ":/cursor/line_cursor.png", tr("Select first point"),
                  dialogLine, &MainWindow::ClosedDialogLine);
}

void MainWindow::ClosedDialogLine(int result){
    if(result == QDialog::Accepted){
        if(mode == Draw::Calculation){
            VToolLine::Create(dialogLine, currentScene, doc, data);
        } else {
            VModelingLine *line = VModelingLine::Create(dialogLine, doc, data);
            AddToolToDetail(line, line->getId(), Tool::LineTool, dialogLine->getIdDetail());
        }
    }
    ArrowTool();
}

void MainWindow::ToolAlongLine(bool checked){
    SetToolButton(checked, Tool::AlongLineTool, ":/cursor/alongline_cursor.png", tr("Select point"),
                  dialogAlongLine, &MainWindow::ClosedDialogAlongLine);
}

void MainWindow::ClosedDialogAlongLine(int result){
    if(result == QDialog::Accepted){
        if(mode == Draw::Calculation){
            VToolAlongLine::Create(dialogAlongLine, currentScene, doc, data);
        } else{
            VModelingAlongLine *point = VModelingAlongLine::Create(dialogAlongLine, doc, data);
            AddToolToDetail(point, point->getId(), Tool::AlongLineTool, dialogAlongLine->getIdDetail());
        }
    }
    ArrowTool();
}

void MainWindow::ToolShoulderPoint(bool checked){
    SetToolButton(checked, Tool::ShoulderPointTool, ":/cursor/shoulder_cursor.png",
                  tr("Select first point of line"),  dialogShoulderPoint,
                  &MainWindow::ClosedDialogShoulderPoint);
}

void MainWindow::ClosedDialogShoulderPoint(int result){
    if(result == QDialog::Accepted){
        if(mode == Draw::Calculation){
            VToolShoulderPoint::Create(dialogShoulderPoint, currentScene, doc, data);
        } else {
            VModelingShoulderPoint *point = VModelingShoulderPoint::Create(dialogShoulderPoint, doc, data);
            AddToolToDetail(point, point->getId(), Tool::ShoulderPointTool,
                            dialogShoulderPoint->getIdDetail());
        }
    }
    ArrowTool();
}

void MainWindow::ToolNormal(bool checked){
    SetToolButton(checked, Tool::NormalTool, ":/cursor/normal_cursor.png",
                  tr("Select first point of line"), dialogNormal, &MainWindow::ClosedDialogNormal);
}

void MainWindow::ClosedDialogNormal(int result){
    if(result == QDialog::Accepted){
        if(mode == Draw::Calculation){
            VToolNormal::Create(dialogNormal, currentScene, doc, data);
        } else {
            VModelingNormal *point = VModelingNormal::Create(dialogNormal, doc, data);
            AddToolToDetail(point, point->getId(), Tool::NormalTool, dialogNormal->getIdDetail());
        }
    }
    ArrowTool();
}

void MainWindow::ToolBisector(bool checked){
    SetToolButton(checked, Tool::BisectorTool, ":/cursor/bisector_cursor.png",
                  tr("Select first point of angle"), dialogBisector, &MainWindow::ClosedDialogBisector);
}

void MainWindow::ClosedDialogBisector(int result){
    if(result == QDialog::Accepted){
        if(mode == Draw::Calculation){
            VToolBisector::Create(dialogBisector, currentScene, doc, data);
        } else {
            VModelingBisector *point = VModelingBisector::Create(dialogBisector, doc, data);
            AddToolToDetail(point, point->getId(), Tool::BisectorTool, dialogBisector->getIdDetail());
        }
    }
    ArrowTool();
}

void MainWindow::ToolLineIntersect(bool checked){
    SetToolButton(checked, Tool::LineIntersectTool, ":/cursor/intersect_cursor.png",
                  tr("Select first point of first line"), dialogLineIntersect,
                  &MainWindow::ClosedDialogLineIntersect);
}

void MainWindow::ClosedDialogLineIntersect(int result){
    if(result == QDialog::Accepted){
        if(mode == Draw::Calculation){
            VToolLineIntersect::Create(dialogLineIntersect, currentScene, doc, data);
        } else {
            VModelingLineIntersect *point = VModelingLineIntersect::Create(dialogLineIntersect, doc,
                                                                           data);
            AddToolToDetail(point, point->getId(), Tool::LineIntersectTool,
                            dialogLineIntersect->getIdDetail());
        }
    }
    ArrowTool();
}

void MainWindow::ToolSpline(bool checked){
    SetToolButton(checked, Tool::SplineTool, ":/cursor/spline_cursor.png",
                  tr("Select first point curve"), dialogSpline, &MainWindow::ClosedDialogSpline);
}

void MainWindow::ClosedDialogSpline(int result){
    if(result == QDialog::Accepted){
        if(mode == Draw::Calculation){
            VToolSpline::Create(dialogSpline, currentScene, doc, data);
        } else {
            VModelingSpline *spl = VModelingSpline::Create(dialogSpline, doc, data);
            AddToolToDetail(spl, spl->getId(), Tool::SplineTool, dialogSpline->getIdDetail());
        }
    }
    ArrowTool();
}

void MainWindow::ToolArc(bool checked){
    SetToolButton(checked, Tool::ArcTool, ":/cursor/arc_cursor.png",
                  tr("Select point of center of arc"), dialogArc, &MainWindow::ClosedDialogArc);
}

void MainWindow::ClosedDialogArc(int result){
    if(result == QDialog::Accepted){
        if(mode == Draw::Calculation){
            VToolArc::Create(dialogArc, currentScene, doc, data);
        } else {
            VModelingArc *arc = VModelingArc::Create(dialogArc, doc, data);
            AddToolToDetail(arc, arc->getId(), Tool::ArcTool, dialogArc->getIdDetail());
        }
    }
    ArrowTool();
}

void MainWindow::ToolSplinePath(bool checked){
    SetToolButton(checked, Tool::SplinePathTool, ":/cursor/splinepath_cursor.png",
                  tr("Select point of curve path"), dialogSplinePath,
                  &MainWindow::ClosedDialogSplinePath);
}

void MainWindow::ClosedDialogSplinePath(int result){
    if(result == QDialog::Accepted){
        if(mode == Draw::Calculation){
            VToolSplinePath::Create(dialogSplinePath, currentScene, doc, data);
        } else {
            VModelingSplinePath *spl = VModelingSplinePath::Create(dialogSplinePath, doc, data);
            AddToolToDetail(spl, spl->getId(), Tool::SplinePathTool, dialogSplinePath->getIdDetail());
        }
    }
    ArrowTool();
}

void MainWindow::ToolPointOfContact(bool checked){
    SetToolButton(checked, Tool::PointOfContact, ":/cursor/pointcontact_cursor.png",
                  tr("Select first point of line"), dialogPointOfContact,
                  &MainWindow::ClosedDialogPointOfContact);
}

void MainWindow::ClosedDialogPointOfContact(int result){
    if(result == QDialog::Accepted){
        if(mode == Draw::Calculation){
            VToolPointOfContact::Create(dialogPointOfContact, currentScene, doc, data);
        } else {
            VModelingPointOfContact *point = VModelingPointOfContact::Create(dialogPointOfContact, doc,
                                                                             data);
            AddToolToDetail(point, point->getId(), Tool::PointOfContact,
                            dialogPointOfContact->getIdDetail());
        }
    }
    ArrowTool();
}

void MainWindow::ToolDetail(bool checked){
    if(checked){
        CanselTool();
        tool = Tool::Detail;
        QPixmap pixmap("://cursor/new_detail_cursor.png");
        QCursor cur(pixmap, 2, 3);
        view->setCursor(cur);
        helpLabel->setText(tr("Select points, arcs, curves clockwise."));
        dialogDetail = QSharedPointer<DialogDetail>(new DialogDetail(data, mode));
        connect(currentScene, &VMainGraphicsScene::ChoosedObject, dialogDetail.data(),
                &DialogDetail::ChoosedObject);
        connect(dialogDetail.data(), &DialogDetail::DialogClosed, this, &MainWindow::ClosedDialogDetail);
        connect(doc, &VDomDocument::FullUpdateFromFile, dialogDetail.data(), &DialogDetail::UpdateList);
    } else {
        if(QToolButton *tButton = qobject_cast< QToolButton * >(this->sender())){
            tButton->setChecked(true);
        }
    }
}

void MainWindow::ClosedDialogDetail(int result){
    if(result == QDialog::Accepted){
        VToolDetail::Create(dialogDetail, sceneDetails, doc, data);
    }
    ArrowTool();
}

void MainWindow::ToolHeight(bool checked){
    SetToolButton(checked, Tool::Height, ":/cursor/height_cursor.png", tr("Select base point"),
                  dialogHeight, &MainWindow::ClosedDialogHeight);
}

void MainWindow::ClosedDialogHeight(int result){
    if(result == QDialog::Accepted){
        if(mode == Draw::Calculation){
            VToolHeight::Create(dialogHeight, currentScene, doc, data);
        } else {
            VModelingHeight *point = VModelingHeight::Create(dialogHeight, doc, data);
            AddToolToDetail(point, point->getId(), Tool::Height, dialogHeight->getIdDetail());
        }
    }
    ArrowTool();
}

void MainWindow::ToolTriangle(bool checked){
    SetToolButton(checked, Tool::Triangle, ":/cursor/triangle_cursor.png", tr("Select first point of axis"),
                  dialogTriangle, &MainWindow::ClosedDialogTriangle);
}

void MainWindow::ClosedDialogTriangle(int result){
    if(result == QDialog::Accepted){
        if(mode == Draw::Calculation){
            VToolTriangle::Create(dialogTriangle, currentScene, doc, data);
        } else {
            VModelingTriangle *point = VModelingTriangle::Create(dialogTriangle, doc, data);
            AddToolToDetail(point, point->getId(), Tool::Triangle, dialogTriangle->getIdDetail());
        }
    }
    ArrowTool();
}

void MainWindow::ToolPointOfIntersection(bool checked){
    SetToolButton(checked, Tool::PointOfIntersection, ":/cursor/pointofintersect_cursor.png",
                  tr("Select point vertically"),
                  dialogPointOfIntersection, &MainWindow::ClosedDialogPointOfIntersection);
}

void MainWindow::ClosedDialogPointOfIntersection(int result){
    if(result == QDialog::Accepted){
        if(mode == Draw::Calculation){
            VToolPointOfIntersection::Create(dialogPointOfIntersection, currentScene, doc, data);
        } else {
            VModelingPointOfIntersection *point = VModelingPointOfIntersection::Create(dialogPointOfIntersection,
                                                                                       doc, data);
            AddToolToDetail(point, point->getId(), Tool::PointOfIntersection,
                            dialogPointOfIntersection->getIdDetail());
        }
    }
    ArrowTool();
}

void MainWindow::About(){
    QString fullName = QString("Valentina %1").arg(APP_VERSION);
    QString qtBase(tr("Based on Qt %2 (32 bit)").arg(QT_VERSION_STR));
    QString buildOn(tr("Built on %3 at %4").arg(__DATE__).arg(__TIME__));
    QString about = QString(tr("<h1>%1</h1> %2 <br/><br/> %3 <br/><br/> %4")).arg(fullName).arg(qtBase).arg(buildOn).arg(WARRANTY);
    QMessageBox::about(this, tr("About Valentina"), about);
}

void MainWindow::AboutQt(){
    QMessageBox::aboutQt(this, tr("About Qt"));
}

void MainWindow::ShowToolTip(const QString &toolTip){
    helpLabel->setText(toolTip);
}

void MainWindow::tableClosed(){
    show();
    MinimumScrollBar();
}

void MainWindow::showEvent( QShowEvent *event ){
    QMainWindow::showEvent( event );
    if( event->spontaneous() ){
        return;
    }

    if(isInitialized){
        return;
    }
    // do your init stuff here
    MinimumScrollBar();

    isInitialized = true;//first show windows are held
}

void MainWindow::closeEvent(QCloseEvent *event){
    if(changeInFile == true){
        QMessageBox msgBox;
        msgBox.setText(tr("The pattern has been modified."));
        msgBox.setInformativeText(tr("Do you want to save your changes?"));
        msgBox.setStandardButtons(QMessageBox::Save | QMessageBox::Discard | QMessageBox::Cancel);
        msgBox.setDefaultButton(QMessageBox::Save);
        msgBox.setIcon(QMessageBox::Question);
        int ret = msgBox.exec();
        switch (ret) {
        case QMessageBox::Save:
            // Save was clicked
            if(fileName.isEmpty()){
                ActionSaveAs();
            } else {
                ActionSave();
            }
            if(changeInFile){
                // We did't save file
                event->ignore();
            } else {
                // We have successfully saved the file
                event->accept();
            }
            break;
        case QMessageBox::Discard:
            // Don't Save was clicked
            event->accept();
            break;
        case QMessageBox::Cancel:
            // Cancel was clicked
            event->ignore();
            break;
        default:
            // should never be reached
            event->accept();
            break;
        }
    }
}

void MainWindow::ToolBarOption(){
    QLabel * labelGrowth = new QLabel;
    labelGrowth->setText(tr("Growth: "));
    ui->toolBarOption->addWidget(labelGrowth);

    QStringList list;
    list << "104"<<"110"<<"116"<<"122"<<"128"<<"134"<<"140"<<"146"<<"152"<<"158"<<"164"<<"170"<<"176"
         << "182" << "188";
    QComboBox *comboBoxGrow = new QComboBox;
    comboBoxGrow->clear();
    comboBoxGrow->addItems(list);
    comboBoxGrow->setCurrentIndex(12);
    ui->toolBarOption->addWidget(comboBoxGrow);
    connect(comboBoxGrow,
            static_cast<void (QComboBox::*)(const QString &)>(&QComboBox::currentIndexChanged),
            this, &MainWindow::ChangedGrowth);

    QLabel * labelSize = new QLabel;
    labelSize->setText(tr(" Size: "));
    ui->toolBarOption->addWidget(labelSize);

    list.clear();
    list << "28"<<"30"<<"32"<<"34"<<"36"<<"38"<<"40"<<"42"<<"44"<<"46"<<"48"<<"50" << "52" << "54" << "56";
    QComboBox *comboBoxSize = new QComboBox;
    comboBoxSize->clear();
    comboBoxSize->addItems(list);
    comboBoxSize->setCurrentIndex(11);
    ui->toolBarOption->addWidget(comboBoxSize);
    connect(comboBoxSize,
            static_cast<void (QComboBox::*)(const QString &)>(&QComboBox::currentIndexChanged),
            this, &MainWindow::ChangedSize);

    ui->toolBarOption->addSeparator();

    mouseCoordinate = new QLabel;
    mouseCoordinate ->setText("0, 0");
    ui->toolBarOption->addWidget(mouseCoordinate);

}

void MainWindow::ToolBarDraws(){
    QLabel * labelNameDraw = new QLabel;
    labelNameDraw ->setText(tr("Drawing: "));
    ui->toolBarDraws->addWidget(labelNameDraw);

    comboBoxDraws = new QComboBox;
    ui->toolBarDraws->addWidget(comboBoxDraws);
    comboBoxDraws->setSizeAdjustPolicy(QComboBox::AdjustToContents);
    connect(comboBoxDraws,  static_cast<void (QComboBox::*)(int)>(&QComboBox::currentIndexChanged),
            this, &MainWindow::currentDrawChanged);

    ui->toolBarDraws->addAction(ui->actionOptionDraw);
    ui->actionOptionDraw->setEnabled(false);

    ui->toolBarDraws->addAction(ui->actionTable);
    ui->actionTable->setEnabled(false);

    ui->toolBarDraws->addAction(ui->actionHistory);
    ui->actionHistory->setEnabled(false);
    connect(ui->actionHistory, &QAction::triggered, this, &MainWindow::ActionHistory);

    ui->toolBarDraws->addAction(ui->actionLayout);
    connect(ui->actionLayout, &QAction::triggered, this, &MainWindow::ActionLayout);
}

void MainWindow::currentDrawChanged( int index ){
    if(index != -1) {
        doc->setCurrentData();
        doc->ChangeActivDraw(comboBoxDraws->itemText(index));
    }
}

void MainWindow::mouseMove(QPointF scenePos){
    QString string = QString("%1, %2")
                            .arg(static_cast<qint32>(scenePos.x()/PrintDPI*25.4))
                            .arg(static_cast<qint32>(scenePos.y()/PrintDPI*25.4));
    mouseCoordinate->setText(string);
}

void MainWindow::CanselTool(){
    switch( tool ){
    case Tool::ArrowTool:
        ui->actionArrowTool->setChecked(false);
        helpLabel->setText("");
        break;
    case Tool::SinglePointTool:
        Q_UNREACHABLE();
        //Nothing to do here because we can't create this tool from main window.
        break;
    case Tool::EndLineTool:
        dialogEndLine.clear();
        ui->toolButtonEndLine->setChecked(false);
        currentScene->setFocus(Qt::OtherFocusReason);
        currentScene->clearSelection();
        break;
    case Tool::LineTool:
        dialogLine.clear();
        ui->toolButtonLine->setChecked(false);
        currentScene->setFocus(Qt::OtherFocusReason);
        currentScene->clearFocus();
        break;
    case Tool::AlongLineTool:
        dialogAlongLine.clear();
        ui->toolButtonAlongLine->setChecked(false);
        currentScene->setFocus(Qt::OtherFocusReason);
        currentScene->clearSelection();
        break;
    case Tool::ShoulderPointTool:
        dialogShoulderPoint.clear();
        ui->toolButtonShoulderPoint->setChecked(false);
        currentScene->setFocus(Qt::OtherFocusReason);
        currentScene->clearSelection();
        break;
    case Tool::NormalTool:
        dialogNormal.clear();
        ui->toolButtonNormal->setChecked(false);
        currentScene->setFocus(Qt::OtherFocusReason);
        currentScene->clearSelection();
        break;
    case Tool::BisectorTool:
        dialogBisector.clear();
        ui->toolButtonBisector->setChecked(false);
        currentScene->setFocus(Qt::OtherFocusReason);
        currentScene->clearSelection();
        break;
    case Tool::LineIntersectTool:
        dialogLineIntersect.clear();
        ui->toolButtonLineIntersect->setChecked(false);
        currentScene->setFocus(Qt::OtherFocusReason);
        currentScene->clearSelection();
        break;
    case Tool::SplineTool:
        dialogSpline.clear();
        ui->toolButtonSpline->setChecked(false);
        currentScene->setFocus(Qt::OtherFocusReason);
        currentScene->clearSelection();
        break;
    case Tool::ArcTool:
        dialogArc.clear();
        ui->toolButtonArc->setChecked(false);
        currentScene->setFocus(Qt::OtherFocusReason);
        currentScene->clearSelection();
        break;
    case Tool::SplinePathTool:
        dialogSplinePath.clear();
        ui->toolButtonSplinePath->setChecked(false);
        currentScene->setFocus(Qt::OtherFocusReason);
        currentScene->clearSelection();
        break;
    case Tool::PointOfContact:
        dialogPointOfContact.clear();
        ui->toolButtonPointOfContact->setChecked(false);
        currentScene->setFocus(Qt::OtherFocusReason);
        currentScene->clearSelection();
        break;
    case Tool::Detail:
        dialogDetail.clear();
        ui->toolButtonNewDetail->setChecked(false);
        break;
    case Tool::Height:
        dialogHeight.clear();
        ui->toolButtonHeight->setChecked(false);
        currentScene->setFocus(Qt::OtherFocusReason);
        currentScene->clearSelection();
        break;
    case Tool::Triangle:
        dialogTriangle.clear();
        ui->toolButtonTriangle->setChecked(false);
        currentScene->setFocus(Qt::OtherFocusReason);
        currentScene->clearSelection();
        break;
    case Tool::PointOfIntersection:
        dialogPointOfIntersection.clear();
        ui->toolButtonPointOfIntersection->setChecked(false);
        currentScene->setFocus(Qt::OtherFocusReason);
        currentScene->clearSelection();
        break;
    default:
        qWarning()<<"Get wrong tool type. Ignore.";
        break;
    }
}

void  MainWindow::ArrowTool(){
    CanselTool();
    ui->actionArrowTool->setChecked(true);
    tool = Tool::ArrowTool;
    QCursor cur(Qt::ArrowCursor);
    view->setCursor(cur);
    helpLabel->setText("");
}

void MainWindow::ActionAroowTool(){
    ArrowTool();
}

void MainWindow::keyPressEvent ( QKeyEvent * event ){
    switch(event->key()){
        case Qt::Key_Escape:
            ArrowTool();
            break;
    }
    QMainWindow::keyPressEvent ( event );
}

void MainWindow::ActionDraw(bool checked){
    if(checked){
        ui->actionDetails->setChecked(false);
        /*Save scroll bars value for previous scene.*/
        QScrollBar *horScrollBar = view->horizontalScrollBar();
        currentScene->setHorScrollBar(horScrollBar->value());
        QScrollBar *verScrollBar = view->verticalScrollBar();
        currentScene->setVerScrollBar(verScrollBar->value());

        currentScene = sceneDraw;
        view->setScene(currentScene);
        /*Set value for current scene scroll bar.*/
        horScrollBar = view->horizontalScrollBar();
        horScrollBar->setValue(currentScene->getHorScrollBar());
        verScrollBar = view->verticalScrollBar();
        verScrollBar->setValue(currentScene->getVerScrollBar());

        mode = Draw::Calculation;
        doc->setCurrentData();
    } else {
        ui->actionDraw->setChecked(true);
    }
}

void MainWindow::ActionDetails(bool checked){
    if(checked){
        ui->actionDraw->setChecked(false);
        /*Save scroll bars value for previous scene.*/
        QScrollBar *horScrollBar = view->horizontalScrollBar();
        currentScene->setHorScrollBar(horScrollBar->value());
        QScrollBar *verScrollBar = view->verticalScrollBar();
        currentScene->setVerScrollBar(verScrollBar->value());

        currentScene = sceneDetails;
        view->setScene(sceneDetails);
        /*Set value for current scene scroll bar.*/
        horScrollBar = view->horizontalScrollBar();
        horScrollBar->setValue(currentScene->getHorScrollBar());
        verScrollBar = view->verticalScrollBar();
        verScrollBar->setValue(currentScene->getVerScrollBar());
        mode = Draw::Modeling;
    } else {
        ui->actionDetails->setChecked(true);
    }
}

void MainWindow::ActionSaveAs(){
    QString filters(tr("Lekalo files (*.xml);;All files (*.*)"));
    QString defaultFilter(tr("Lekalo files (*.xml)"));
    QString fName = QFileDialog::getSaveFileName(this, tr("Save as"), QDir::homePath(),
                                                 filters, &defaultFilter);
    if(fName.isEmpty())
        return;
    if(fName.indexOf(".xml",fName.size()-4)<0){
        fName.append(".xml");
    }
    fileName = fName;

    ActionSave();
}

void MainWindow::ActionSave(){
    if(!fileName.isEmpty()){
        bool result = SafeSaveing(fileName);
        if(result){
            ui->actionSave->setEnabled(false);
            changeInFile = false;
            QFileInfo info(fileName);
            QString title(info.fileName());
            title.append("-Valentina");
            setWindowTitle(title);
        } else {
            QMessageBox msgBox;
            msgBox.setWindowTitle(tr("Error!"));
            msgBox.setText(tr("Error saving file. Can't save file."));
            msgBox.setStandardButtons(QMessageBox::Ok);
            msgBox.setDefaultButton(QMessageBox::Ok);
            msgBox.setIcon(QMessageBox::Warning);
            msgBox.exec();
        }
    }
}

void MainWindow::ActionOpen(){
    QString filter(tr("Lekalo files (*.xml)"));
    QString fName = QFileDialog::getOpenFileName(this, tr("Open file"), QDir::homePath(), filter);
    if(fName.isEmpty())
        return;
    if(fileName.isEmpty() && changeInFile == false){
        OpenPattern(fName);
    } else {
        /*Open new copy application*/
        QProcess *v = new QProcess(this);
        QStringList arguments;
        arguments << "-o" << fName;
        v->startDetached(QCoreApplication::applicationFilePath (), arguments);
        delete v;
    }
}

void MainWindow::Clear(){
    setWindowTitle("Valentina");
    fileName.clear();
    data->Clear();
    doc->clear();
    sceneDraw->clear();
    sceneDetails->clear();
    CanselTool();
    comboBoxDraws->clear();
    fileName.clear();
    ui->actionOptionDraw->setEnabled(false);
    ui->actionSave->setEnabled(false);
    SetEnableTool(false);
}

void MainWindow::ActionNew(){
    QProcess *v = new QProcess(this);
    v->startDetached(QCoreApplication::applicationFilePath ());
    delete v;
}

void MainWindow::haveChange(){
    if(!fileName.isEmpty()){
        ui->actionSave->setEnabled(true);
        changeInFile = true;
        QFileInfo info(fileName);
        QString title(info.fileName());
        title.append("*-Valentina");
        setWindowTitle(title);
    }
}

void MainWindow::ChangedSize(const QString & text){
    qint32 size = text.toInt();
    data->SetSize(size*10);
    doc->FullUpdateTree();
}

void MainWindow::ChangedGrowth(const QString &text){
    qint32 growth = text.toInt();
    data->SetGrowth(growth*10);
    doc->FullUpdateTree();
}

void MainWindow::SetEnableWidgets(bool enable){
    ui->actionSaveAs->setEnabled(enable);
    ui->actionDraw->setEnabled(enable);
    ui->actionDetails->setEnabled(enable);
    ui->actionOptionDraw->setEnabled(enable);
    if(enable == true && !fileName.isEmpty()){
        ui->actionSave->setEnabled(enable);
    }
    ui->actionTable->setEnabled(enable);
    ui->actionHistory->setEnabled(enable);
}

void MainWindow::ActionTable(bool checked){
    if(checked){
        dialogTable = new DialogIncrements(data, doc, this);
        connect(dialogTable, &DialogIncrements::DialogClosed, this,
                &MainWindow::ClosedActionTable);
        dialogTable->show();
    } else {
        ui->actionTable->setChecked(true);
        dialogTable->activateWindow();
    }
}

void MainWindow::ClosedActionTable(){
    ui->actionTable->setChecked(false);
    delete dialogTable;
}

void MainWindow::ActionHistory(bool checked){
    if(checked){
        dialogHistory = new DialogHistory(data, doc, this);
        dialogHistory->setWindowFlags(Qt::Window);
        connect(dialogHistory, &DialogHistory::DialogClosed, this,
                &MainWindow::ClosedActionHistory);
        dialogHistory->show();
    } else {
        ui->actionHistory->setChecked(true);
        dialogHistory->activateWindow();
    }
}

void MainWindow::ActionLayout(bool checked){
    Q_UNUSED(checked);
    hide();
    QVector<VItem*> listDetails;
    data->PrepareDetails(listDetails);
    emit ModelChosen(listDetails);
}

void MainWindow::ClosedActionHistory(){
    ui->actionHistory->setChecked(false);
    delete dialogHistory;
}

void MainWindow::SetEnableTool(bool enable){
    ui->toolButtonEndLine->setEnabled(enable);
    ui->toolButtonLine->setEnabled(enable);
    ui->toolButtonAlongLine->setEnabled(enable);
    ui->toolButtonShoulderPoint->setEnabled(enable);
    ui->toolButtonNormal->setEnabled(enable);
    ui->toolButtonBisector->setEnabled(enable);
    ui->toolButtonLineIntersect->setEnabled(enable);
    ui->toolButtonSpline->setEnabled(enable);
    ui->toolButtonArc->setEnabled(enable);
    ui->toolButtonSplinePath->setEnabled(enable);
    ui->toolButtonPointOfContact->setEnabled(enable);
    ui->toolButtonNewDetail->setEnabled(enable);
    ui->toolButtonHeight->setEnabled(enable);
    ui->toolButtonTriangle->setEnabled(enable);
    ui->toolButtonPointOfIntersection->setEnabled(enable);
}

void MainWindow::MinimumScrollBar(){
    QScrollBar *horScrollBar = view->horizontalScrollBar();
    horScrollBar->setValue(horScrollBar->minimum());
    QScrollBar *verScrollBar = view->verticalScrollBar();
    verScrollBar->setValue(verScrollBar->minimum());
}

bool MainWindow::SafeSaveing(const QString &fileName) const{
    try{
        doc->TestUniqueId();
    }
    catch(const VExceptionUniqueId &e){
        QMessageBox msgBox;
        msgBox.setWindowTitle(tr("Error!"));
        msgBox.setText(tr("Error don't unique id."));
        msgBox.setInformativeText(e.ErrorMessage());
        msgBox.setStandardButtons(QMessageBox::Ok);
        msgBox.setDefaultButton(QMessageBox::Ok);
        msgBox.setDetailedText(e.DetailedInformation());
        msgBox.setIcon(QMessageBox::Critical);
        msgBox.exec();
        return false;
    }
    if(fileName.isEmpty()){
        qWarning()<<tr("Got empty file name.");
        return false;
    }
    //Writing in temporary file
    QFileInfo tempInfo(fileName);
    QString temp = tempInfo.absolutePath() + "/" + tempInfo.baseName() + ".tmp";
    qDebug()<<"file "<<fileName<<"temp file "<<temp;
    QFile tempFile(temp);
    if(tempFile.open(QIODevice::WriteOnly| QIODevice::Truncate)){
        const int Indent = 4;
        QTextStream out(&tempFile);
        doc->save(out, Indent);
        tempFile.close();
    }
    //Replace temp file our
    bool result = false;
    QFile patternFile(fileName);
    // We need here temporary file because we need restore pattern after error of copying temp file.
    QTemporaryFile tempOfPattern;
    if (tempOfPattern.open()) {
        patternFile.copy(tempOfPattern.fileName());
    }
    if ( !patternFile.exists() || patternFile.remove() ) {
        if ( !tempFile.copy(patternFile.fileName()) ){
            qCritical()<<tr("Could not copy temp file to pattern file")<<Q_FUNC_INFO;
            tempOfPattern.copy(fileName);
            result = false;
        } else {
            result = true;
        }
    } else {
        qCritical()<<tr("Could not remove pattern file")<<Q_FUNC_INFO;
        result = false;
    }
    if(result){
        tempFile.remove();
    }
    return result;
}

void MainWindow::AutoSavePattern(){
    if(!fileName.isEmpty() && changeInFile == true){
        bool result = SafeSaveing(fileName);
        if(result){
            ui->actionSave->setEnabled(false);
            changeInFile = false;
            QFileInfo info(fileName);
            QString title(info.fileName());
            title.append("-Valentina");
            setWindowTitle(title);
        }
    }
}

MainWindow::~MainWindow(){
    CanselTool();
    delete ui;

    delete data;
    if(!doc->isNull()){
        delete doc;
    }
}

void MainWindow::OpenPattern(const QString &fileName){
    if(fileName.isEmpty()){
        qWarning()<<tr("Can't open pattern file. File name empty")<<Q_FUNC_INFO;
        return;
    }
    QFile file(fileName);
    QString errorMsg;
    qint32 errorLine = 0;
    qint32 errorColumn = 0;
    if(file.open(QIODevice::ReadOnly)){
        if(doc->setContent(&file, &errorMsg, &errorLine, &errorColumn)){
            disconnect(comboBoxDraws,  static_cast<void (QComboBox::*)(int)>(&QComboBox::currentIndexChanged),
                       this, &MainWindow::currentDrawChanged);
            try{
            doc->Parse(Document::FullParse, sceneDraw, sceneDetails);
            }
            catch(const VExceptionObjectError &e){
                QMessageBox msgBox;
                msgBox.setWindowTitle(tr("Error!"));
                msgBox.setText(tr("Error parsing file."));
                msgBox.setInformativeText(e.ErrorMessage());
                msgBox.setStandardButtons(QMessageBox::Ok);
                msgBox.setDefaultButton(QMessageBox::Ok);
                msgBox.setDetailedText(e.DetailedInformation());
                msgBox.setIcon(QMessageBox::Critical);
                msgBox.exec();
                file.close();
                Clear();
                return;
            }
            catch(const VExceptionConversionError &e){
                QMessageBox msgBox;
                msgBox.setWindowTitle(tr("Error!"));
                msgBox.setText(tr("Error can't convert value."));
                msgBox.setInformativeText(e.ErrorMessage());
                msgBox.setStandardButtons(QMessageBox::Ok);
                msgBox.setDefaultButton(QMessageBox::Ok);
                msgBox.setIcon(QMessageBox::Critical);
                msgBox.exec();
                file.close();
                Clear();
                return;
            }
            catch(const VExceptionEmptyParameter &e){
                QMessageBox msgBox;
                msgBox.setWindowTitle(tr("Error!"));
                msgBox.setText(tr("Error empty parameter."));
                msgBox.setInformativeText(e.ErrorMessage());
                msgBox.setStandardButtons(QMessageBox::Ok);
                msgBox.setDefaultButton(QMessageBox::Ok);
                msgBox.setDetailedText(e.DetailedInformation());
                msgBox.setIcon(QMessageBox::Critical);
                msgBox.exec();
                file.close();
                Clear();
                return;
            }
            catch(const VExceptionWrongParameterId &e){
                QMessageBox msgBox;
                msgBox.setWindowTitle(tr("Error!"));
                msgBox.setText(tr("Error wrong id."));
                msgBox.setInformativeText(e.ErrorMessage());
                msgBox.setStandardButtons(QMessageBox::Ok);
                msgBox.setDefaultButton(QMessageBox::Ok);
                msgBox.setDetailedText(e.DetailedInformation());
                msgBox.setIcon(QMessageBox::Critical);
                msgBox.exec();
                file.close();
                Clear();
                return;
            }
            catch(const VExceptionUniqueId &e){
                QMessageBox msgBox;
                msgBox.setWindowTitle(tr("Error!"));
                msgBox.setText(tr("Error don't unique id."));
                msgBox.setInformativeText(e.ErrorMessage());
                msgBox.setStandardButtons(QMessageBox::Ok);
                msgBox.setDefaultButton(QMessageBox::Ok);
                msgBox.setDetailedText(e.DetailedInformation());
                msgBox.setIcon(QMessageBox::Critical);
                msgBox.exec();
                file.close();
                Clear();
                return;
            }
            connect(comboBoxDraws,  static_cast<void (QComboBox::*)(int)>(&QComboBox::currentIndexChanged),
                    this, &MainWindow::currentDrawChanged);
            QString nameDraw = doc->GetNameActivDraw();
            qint32 index = comboBoxDraws->findText(nameDraw);
            if ( index != -1 ) { // -1 for not found
                comboBoxDraws->setCurrentIndex(index);
            }
            if(comboBoxDraws->count() > 0){
                SetEnableTool(true);
            } else {
                SetEnableTool(false);
            }
            SetEnableWidgets(true);
        } else {
            QMessageBox msgBox;
            msgBox.setWindowTitle(tr("Error!"));
            msgBox.setText(tr("Error parsing pattern file."));
            msgBox.setInformativeText(errorMsg);
            msgBox.setStandardButtons(QMessageBox::Ok);
            msgBox.setDefaultButton(QMessageBox::Ok);
            QString error = QString(tr("Error in line %1 column %2")).arg(errorLine, errorColumn);
            msgBox.setDetailedText(error);
            msgBox.exec();
            file.close();
            Clear();
            return;
        }
        file.close();
    }
    this->fileName = fileName;
    QFileInfo info(fileName);
    QString title(info.fileName());
    title.append("-Valentina");
    setWindowTitle(title);
    helpLabel->setText("");
}