dialogsplinepath.cpp

Go to the documentation of this file.

/***************************************************************************
 *                                                                         *
 *   Copyright (C) 2017  Seamly, LLC                                       *
 *                                                                         *
 *   https://github.com/fashionfreedom/seamly2d                             *
 *                                                                         *
 ***************************************************************************
 **
 **  Seamly2D 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.
 **
 **  Seamly2D 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 Seamly2D.  If not, see <http://www.gnu.org/licenses/>.
 **
 **************************************************************************
 
 ************************************************************************
 **
 **  @file   dialogsplinepath.cpp
 **  @author Roman Telezhynskyi <dismine(at)gmail.com>
 **  @date   November 15, 2013
 **
 **  @brief
 **  @copyright
 **  This source code is part of the Valentine project, a pattern making
 **  program, whose allow create and modeling patterns of clothing.
 **  Copyright (C) 2013-2015 Seamly2D project
 **  <https://github.com/fashionfreedom/seamly2d> All Rights Reserved.
 **
 **  Seamly2D 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.
 **
 **  Seamly2D 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 Seamly2D.  If not, see <http://www.gnu.org/licenses/>.
 **
 *************************************************************************/
 
#include "dialogsplinepath.h"
 
#include <QColor>
#include <QComboBox>
#include <QDialog>
#include <QDialogButtonBox>
#include <QFont>
#include <QLabel>
#include <QLatin1String>
#include <QLineEdit>
#include <QListWidget>
#include <QListWidgetItem>
#include <QPlainTextEdit>
#include <QPointer>
#include <QPushButton>
#include <QSharedPointer>
#include <QToolButton>
#include <QVariant>
#include <Qt>
#include <new>
 
#include "../../tools/vabstracttool.h"
#include "../../visualization/visualization.h"
#include "../../visualization/path/vistoolsplinepath.h"
#include "../ifc/xml/vdomdocument.h"
#include "../qmuparser/qmuparsererror.h"
#include "../support/edit_formula_dialog.h"
#include "../vgeometry/../ifc/ifcdef.h"
#include "../vgeometry/vpointf.h"
#include "../vgeometry/vsplinepoint.h"
#include "../vmisc/vabstractapplication.h"
#include "../vmisc/vcommonsettings.h"
#include "../vpatterndb/vcontainer.h"
#include "../vwidgets/vabstractmainwindow.h"
#include "../vwidgets/vmaingraphicsscene.h"
#include "ui_dialogsplinepath.h"
#include "vtranslatevars.h"
 
//---------------------------------------------------------------------------------------------------------------------
/**
 * @brief DialogSplinePath create dialog
 * @param data container with data
 * @param parent parent widget
 */
DialogSplinePath::DialogSplinePath(const VContainer *data, const quint32 &toolId, QWidget *parent)
    : DialogTool(data, toolId, parent)
    , ui(new Ui::DialogSplinePath)
    , path()
    , newDuplicate(-1)
    , formulaBaseHeightAngle1(0)
    , formulaBaseHeightAngle2(0)
    , formulaBaseHeightLength1(0)
    , formulaBaseHeightLength2(0)
    , flagAngle1()
    , flagAngle2()
    , flagLength1()
    , flagLength2()
{
    ui->setupUi(this);
    setWindowFlags(windowFlags() & ~Qt::WindowContextHelpButtonHint);
    setWindowIcon(QIcon(":/toolicon/32x32/splinePath.png"));
 
    plainTextEditFormula = ui->plainTextEditAngle1F;
 
    formulaBaseHeightAngle1 = ui->plainTextEditAngle1F->height();
    formulaBaseHeightAngle2 = ui->plainTextEditAngle2F->height();
    formulaBaseHeightLength1 = ui->plainTextEditLength1F->height();
    formulaBaseHeightLength2 = ui->plainTextEditLength2F->height();
 
    ui->plainTextEditAngle1F->installEventFilter(this);
    ui->plainTextEditAngle2F->installEventFilter(this);
    ui->plainTextEditLength1F->installEventFilter(this);
    ui->plainTextEditLength2F->installEventFilter(this);
 
    initializeOkCancelApply(ui);
    ok_Button->setEnabled(false);
 
    FillComboBoxPoints(ui->comboBoxPoint);
 
    int index = ui->lineType_ComboBox->findData(LineTypeNone);
    if (index != -1)
    {
        ui->lineType_ComboBox->removeItem(index);
    }
 
    index = ui->lineColor_ComboBox->findData(qApp->getCurrentDocument()->getDefaultLineColor());
    if (index != -1)
    {
        ui->lineColor_ComboBox->setCurrentIndex(index);
    }
 
    index = ui->lineWeight_ComboBox->findData(qApp->getCurrentDocument()->getDefaultLineWeight());
    if (index != -1)
    {
        ui->lineWeight_ComboBox->setCurrentIndex(index);
    }
 
    index = ui->lineType_ComboBox->findData(qApp->getCurrentDocument()->getDefaultLineType());
    if (index != -1)
    {
        ui->lineType_ComboBox->setCurrentIndex(index);
    }
 
    connect(ui->listWidget, &QListWidget::currentRowChanged, this, &DialogSplinePath::PointChanged);
    connect(ui->comboBoxPoint,  static_cast<void (QComboBox::*)(int)>(&QComboBox::currentIndexChanged),
            this, &DialogSplinePath::currentPointChanged);
 
    connect(ui->toolButtonExprAngle1, &QPushButton::clicked, this, &DialogSplinePath::FXAngle1);
    connect(ui->toolButtonExprAngle2, &QPushButton::clicked, this, &DialogSplinePath::FXAngle2);
    connect(ui->toolButtonExprLength1, &QPushButton::clicked, this, &DialogSplinePath::FXLength1);
    connect(ui->toolButtonExprLength2, &QPushButton::clicked, this, &DialogSplinePath::FXLength2);
 
    connect(ui->plainTextEditAngle1F, &QPlainTextEdit::textChanged, this, &DialogSplinePath::Angle1Changed);
    connect(ui->plainTextEditAngle2F, &QPlainTextEdit::textChanged, this, &DialogSplinePath::Angle2Changed);
    connect(ui->plainTextEditLength1F, &QPlainTextEdit::textChanged, this, &DialogSplinePath::Length1Changed);
    connect(ui->plainTextEditLength2F, &QPlainTextEdit::textChanged, this, &DialogSplinePath::Length2Changed);
 
    connect(ui->pushButtonGrowAngle1, &QPushButton::clicked, this, &DialogSplinePath::DeployAngle1TextEdit);
    connect(ui->pushButtonGrowAngle2, &QPushButton::clicked, this, &DialogSplinePath::DeployAngle2TextEdit);
    connect(ui->pushButtonGrowLength1, &QPushButton::clicked, this, &DialogSplinePath::DeployLength1TextEdit);
    connect(ui->pushButtonGrowLength2, &QPushButton::clicked, this, &DialogSplinePath::DeployLength2TextEdit);
 
    vis = new VisToolSplinePath(data);
    auto path = qobject_cast<VisToolSplinePath *>(vis);
    SCASSERT(path != nullptr)
 
    auto scene = qobject_cast<VMainGraphicsScene *>(qApp->getCurrentScene());
    SCASSERT(scene != nullptr)
    connect(scene, &VMainGraphicsScene::MouseLeftPressed, path, &VisToolSplinePath::MouseLeftPressed);
    connect(scene, &VMainGraphicsScene::MouseLeftReleased, path, &VisToolSplinePath::MouseLeftReleased);
}
 
//---------------------------------------------------------------------------------------------------------------------
DialogSplinePath::~DialogSplinePath()
{
    delete ui;
}
 
//---------------------------------------------------------------------------------------------------------------------
/**
 * @brief SetPath set spline path
 * @param value path
 */
void DialogSplinePath::SetPath(const VSplinePath &value)
{
    flagAngle1.clear();
    flagAngle2.clear();
    flagLength1.clear();
    flagLength2.clear();
 
    this->path = value;
    ui->listWidget->blockSignals(true);
    ui->listWidget->clear();
    for (qint32 i = 0; i < path.CountPoints(); ++i)
    {
        NewItem(path.at(i));
    }
    ui->listWidget->setFocus(Qt::OtherFocusReason);
    ui->lineEditSplPathName->setText(qApp->TrVars()->VarToUser(path.name()));
 
    auto visPath = qobject_cast<VisToolSplinePath *>(vis);
    SCASSERT(visPath != nullptr)
    visPath->setPath(path);
    ui->listWidget->blockSignals(false);
}
 
//---------------------------------------------------------------------------------------------------------------------
QString DialogSplinePath::getPenStyle() const
{
    return GetComboBoxCurrentData(ui->lineType_ComboBox, LineTypeSolidLine);
}
 
//---------------------------------------------------------------------------------------------------------------------
void DialogSplinePath::setPenStyle(const QString &value)
{
    ChangeCurrentData(ui->lineType_ComboBox, value);
}
 
//---------------------------------------------------------------------------------------------------------------------
/**
 * @brief getLineWeight return weight of the lines
 * @return type
 */
QString DialogSplinePath::getLineWeight() const
{
        return GetComboBoxCurrentData(ui->lineWeight_ComboBox, "0.35");
}
 
//---------------------------------------------------------------------------------------------------------------------
/**
 * @brief setLineWeight set weight of the lines
 * @param value type
 */
void DialogSplinePath::setLineWeight(const QString &value)
{
    ChangeCurrentData(ui->lineWeight_ComboBox, value);
}
 
//---------------------------------------------------------------------------------------------------------------------
QString DialogSplinePath::getLineColor() const
{
    return GetComboBoxCurrentData(ui->lineColor_ComboBox, ColorBlack);
}
 
//---------------------------------------------------------------------------------------------------------------------
void DialogSplinePath::setLineColor(const QString &value)
{
    ChangeCurrentData(ui->lineColor_ComboBox, value);
}
 
//---------------------------------------------------------------------------------------------------------------------
/**
 * @brief ChoosedObject gets id and type of selected object. Save right data and ignore wrong.
 * @param id id of point or detail
 * @param type don't show this id in list
 */
void DialogSplinePath::ChosenObject(quint32 id, const SceneObject &type)
{
    if (type == SceneObject::Point)
    {
        if (AllIds().contains(id))
        {
            return;
        }
 
        const auto point = data->GeometricObject<VPointF>(id);
        VSplinePoint p;
        p.SetP(*point);
        NewItem(p);
        emit ToolTip(tr("Select point of curve path"));
 
        SavePath();
 
        auto visPath = qobject_cast<VisToolSplinePath *>(vis);
        SCASSERT(visPath != nullptr)
        visPath->setPath(path);
 
        if (path.CountPoints() == 1)
        {
            visPath->VisualMode(NULL_ID);
            VAbstractMainWindow *window = qobject_cast<VAbstractMainWindow *>(qApp->getMainWindow());
            SCASSERT(window != nullptr)
            connect(visPath, &VisToolSplinePath::ToolTip, window, &VAbstractMainWindow::ShowToolTip);
 
            connect(visPath, &VisToolSplinePath::PathChanged, this, &DialogSplinePath::PathUpdated);
        }
        else
        {
            visPath->RefreshGeometry();
        }
    }
}
 
//---------------------------------------------------------------------------------------------------------------------
/**
 * @brief SaveData Put dialog data in local variables
 */
void DialogSplinePath::SaveData()
{
    const quint32 d = path.GetDuplicate();//Save previous value
    SavePath();
    newDuplicate <= -1 ? path.SetDuplicate(d) : path.SetDuplicate(static_cast<quint32>(newDuplicate));
 
    auto visPath = qobject_cast<VisToolSplinePath *>(vis);
    SCASSERT(visPath != nullptr)
    visPath->setPath(path);
    visPath->SetMode(Mode::Show);
    visPath->RefreshGeometry();
}
 
//---------------------------------------------------------------------------------------------------------------------
void DialogSplinePath::CheckState()
{
    SCASSERT(ok_Button != nullptr)
 
    bool fAngle1 = true, fAngle2 = true, fLength1 = true, fLength2 = true;
 
    for (qint32 i = 0; i < ui->listWidget->count(); ++i)
    {
        fAngle1 = fAngle1 && flagAngle1.at(i);
        fAngle2 = fAngle2 && flagAngle2.at(i);
        fLength1 = fLength1 && flagLength1.at(i);
        fLength2 = fLength2 && flagLength2.at(i);
    }
 
    ok_Button->setEnabled(fAngle1 && fAngle2 && fLength1 && fLength2 && flagError);
    // In case dialog hasn't apply button
    if (apply_Button != nullptr)
    {
        apply_Button->setEnabled(ok_Button->isEnabled());
    }
}
 
//---------------------------------------------------------------------------------------------------------------------
void DialogSplinePath::closeEvent(QCloseEvent *event)
{
    ui->plainTextEditAngle1F->blockSignals(true);
    ui->plainTextEditAngle2F->blockSignals(true);
    ui->plainTextEditLength1F->blockSignals(true);
    ui->plainTextEditLength2F->blockSignals(true);
    DialogTool::closeEvent(event);
}
 
//---------------------------------------------------------------------------------------------------------------------
void DialogSplinePath::DeployAngle1TextEdit()
{
    DeployFormula(ui->plainTextEditAngle1F, ui->pushButtonGrowAngle1, formulaBaseHeightAngle1);
    collapseFormula(ui->plainTextEditAngle2F, ui->pushButtonGrowAngle2, formulaBaseHeightAngle2);
    collapseFormula(ui->plainTextEditLength1F, ui->pushButtonGrowLength1, formulaBaseHeightLength1);
    collapseFormula(ui->plainTextEditLength2F, ui->pushButtonGrowLength2, formulaBaseHeightLength2);
}
 
//---------------------------------------------------------------------------------------------------------------------
void DialogSplinePath::DeployAngle2TextEdit()
{
    DeployFormula(ui->plainTextEditAngle2F, ui->pushButtonGrowAngle2, formulaBaseHeightAngle2);
    collapseFormula(ui->plainTextEditAngle1F, ui->pushButtonGrowAngle1, formulaBaseHeightAngle1);
    collapseFormula(ui->plainTextEditLength1F, ui->pushButtonGrowLength1, formulaBaseHeightLength1);
    collapseFormula(ui->plainTextEditLength2F, ui->pushButtonGrowLength2, formulaBaseHeightLength2);
}
 
//---------------------------------------------------------------------------------------------------------------------
void DialogSplinePath::DeployLength1TextEdit()
{
    DeployFormula(ui->plainTextEditLength1F, ui->pushButtonGrowLength1, formulaBaseHeightLength1);
    collapseFormula(ui->plainTextEditAngle1F, ui->pushButtonGrowAngle1, formulaBaseHeightAngle1);
    collapseFormula(ui->plainTextEditAngle2F, ui->pushButtonGrowAngle2, formulaBaseHeightAngle2);
    collapseFormula(ui->plainTextEditLength2F, ui->pushButtonGrowLength2, formulaBaseHeightLength2);
}
 
//---------------------------------------------------------------------------------------------------------------------
void DialogSplinePath::DeployLength2TextEdit()
{
    DeployFormula(ui->plainTextEditLength2F, ui->pushButtonGrowLength2, formulaBaseHeightLength2);
    collapseFormula(ui->plainTextEditAngle1F, ui->pushButtonGrowAngle1, formulaBaseHeightAngle1);
    collapseFormula(ui->plainTextEditAngle2F, ui->pushButtonGrowAngle2, formulaBaseHeightAngle2);
    collapseFormula(ui->plainTextEditLength1F, ui->pushButtonGrowLength1, formulaBaseHeightLength1);
}
 
//---------------------------------------------------------------------------------------------------------------------
void DialogSplinePath::Angle1Changed()
{
    const int row = ui->listWidget->currentRow();
    if (row == -1)
    {
        return;
    }
 
    if (row != 0)
    {
        QListWidgetItem *item = ui->listWidget->item(row);
        SCASSERT(item != nullptr)
        VSplinePoint p = qvariant_cast<VSplinePoint>(item->data(Qt::UserRole));
 
        const QString angle1F = ui->plainTextEditAngle1F->toPlainText().replace("\n", " ");
        const qreal angle1 = Visualization::FindVal(angle1F, data->DataVariables());
 
        try
        {
            p.SetAngle1(angle1, qApp->TrVars()->FormulaFromUser(angle1F, qApp->Settings()->GetOsSeparator()));
        }
        catch (qmu::QmuParserError &e)
        {
            Q_UNUSED(e)
            p.SetAngle1(angle1, angle1F);
        }
 
        item->setData(Qt::UserRole, QVariant::fromValue(p));
 
        EvalAngle1();
 
        if (row != ui->listWidget->count()-1)
        {
            ui->plainTextEditAngle2F->blockSignals(true);
            ui->plainTextEditAngle2F->setPlainText(qApp->TrVars()->FormulaToUser(p.Angle2Formula(),
                                                                                 qApp->Settings()->GetOsSeparator()));
            EvalAngle2();
            ui->plainTextEditAngle2F->blockSignals(false);
        }
    }
}
 
//---------------------------------------------------------------------------------------------------------------------
void DialogSplinePath::Angle2Changed()
{
    const int row = ui->listWidget->currentRow();
    if (row == -1)
    {
        return;
    }
 
    if (row != ui->listWidget->count()-1)
    {
        QListWidgetItem *item = ui->listWidget->item(row);
        SCASSERT(item != nullptr)
        VSplinePoint p = qvariant_cast<VSplinePoint>(item->data(Qt::UserRole));
 
        const QString angle2F = ui->plainTextEditAngle2F->toPlainText().replace("\n", " ");
        const qreal angle2 = Visualization::FindVal(angle2F, data->DataVariables());
 
        try
        {
            p.SetAngle2(angle2, qApp->TrVars()->FormulaFromUser(angle2F, qApp->Settings()->GetOsSeparator()));
        }
        catch (qmu::QmuParserError &e)
        {
            Q_UNUSED(e)
            p.SetAngle2(angle2, angle2F);
        }
 
        item->setData(Qt::UserRole, QVariant::fromValue(p));
 
        EvalAngle2();
 
        if (row != 0)
        {
            ui->plainTextEditAngle1F->blockSignals(true);
            ui->plainTextEditAngle1F->setPlainText(qApp->TrVars()->FormulaToUser(p.Angle1Formula(),
                                                                                 qApp->Settings()->GetOsSeparator()));
            EvalAngle1();
            ui->plainTextEditAngle1F->blockSignals(false);
        }
    }
}
 
//---------------------------------------------------------------------------------------------------------------------
void DialogSplinePath::Length1Changed()
{
    const int row = ui->listWidget->currentRow();
    if (row == -1)
    {
        return;
    }
 
    if (row != 0)
    {
        QListWidgetItem *item = ui->listWidget->item(row);
        SCASSERT(item != nullptr)
        VSplinePoint p = qvariant_cast<VSplinePoint>(item->data(Qt::UserRole));
 
        const QString length1F = ui->plainTextEditLength1F->toPlainText().replace("\n", " ");
        const qreal length1 = Visualization::FindLength(length1F, data->DataVariables());
 
        try
        {
            p.SetLength1(length1, qApp->TrVars()->FormulaFromUser(length1F, qApp->Settings()->GetOsSeparator()));
        }
        catch (qmu::QmuParserError &e)
        {
            Q_UNUSED(e)
            p.SetLength1(length1, length1F);
        }
 
        item->setData(Qt::UserRole, QVariant::fromValue(p));
 
        EvalLength1();
    }
}
 
//---------------------------------------------------------------------------------------------------------------------
void DialogSplinePath::Length2Changed()
{
    const int row = ui->listWidget->currentRow();
    if (row == -1)
    {
        return;
    }
 
    if (row != ui->listWidget->count()-1)
    {
        QListWidgetItem *item = ui->listWidget->item(row);
        SCASSERT(item != nullptr)
        VSplinePoint p = qvariant_cast<VSplinePoint>(item->data(Qt::UserRole));
 
        const QString length2F = ui->plainTextEditLength2F->toPlainText().replace("\n", " ");
        const qreal length2 = Visualization::FindLength(length2F, data->DataVariables());
 
        try
        {
            p.SetLength2(length2, qApp->TrVars()->FormulaFromUser(length2F, qApp->Settings()->GetOsSeparator()));
        }
        catch (qmu::QmuParserError &e)
        {
            Q_UNUSED(e)
            p.SetLength2(length2, length2F);
        }
 
        item->setData(Qt::UserRole, QVariant::fromValue(p));
 
        EvalLength2();
    }
}
 
//---------------------------------------------------------------------------------------------------------------------
void DialogSplinePath::FXAngle1()
{
    auto dialog = new EditFormulaDialog(data, toolId, this);
    dialog->setWindowTitle(tr("Edit first control point angle"));
 
    QString angle1F = qApp->TrVars()->TryFormulaFromUser(ui->plainTextEditAngle1F->toPlainText().replace("\n", " "),
                                                         qApp->Settings()->GetOsSeparator());
 
    dialog->SetFormula(angle1F);
    dialog->setPostfix(degreeSymbol);
    if (dialog->exec() == QDialog::Accepted)
    {
        angle1F = qApp->TrVars()->FormulaToUser(dialog->GetFormula(), qApp->Settings()->GetOsSeparator());
        // increase height if needed.
        if (angle1F.length() > 80)
        {
            DeployAngle1TextEdit();
        }
        ui->plainTextEditAngle1F->setPlainText(angle1F);
        MoveCursorToEnd(ui->plainTextEditAngle1F);
    }
    delete dialog;
}
 
//---------------------------------------------------------------------------------------------------------------------
void DialogSplinePath::FXAngle2()
{
    auto dialog = new EditFormulaDialog(data, toolId, this);
    dialog->setWindowTitle(tr("Edit second control point angle"));
 
    QString angle2F = qApp->TrVars()->TryFormulaFromUser(ui->plainTextEditAngle2F->toPlainText().replace("\n", " "),
                                                         qApp->Settings()->GetOsSeparator());
 
    dialog->SetFormula(angle2F);
    dialog->setPostfix(degreeSymbol);
    if (dialog->exec() == QDialog::Accepted)
    {
        angle2F = qApp->TrVars()->FormulaToUser(dialog->GetFormula(), qApp->Settings()->GetOsSeparator());
        // increase height if needed.
        if (angle2F.length() > 80)
        {
            DeployAngle1TextEdit();
        }
        ui->plainTextEditAngle2F->setPlainText(angle2F);
        MoveCursorToEnd(ui->plainTextEditAngle2F);
    }
    delete dialog;
}
 
//---------------------------------------------------------------------------------------------------------------------
void DialogSplinePath::FXLength1()
{
    auto dialog = new EditFormulaDialog(data, toolId, this);
    dialog->setWindowTitle(tr("Edit first control point length"));
 
    QString length1F = qApp->TrVars()->TryFormulaFromUser(ui->plainTextEditLength1F->toPlainText().replace("\n", " "),
                                                          qApp->Settings()->GetOsSeparator());
 
    dialog->SetFormula(length1F);
    dialog->setPostfix(UnitsToStr(qApp->patternUnit(), true));
    if (dialog->exec() == QDialog::Accepted)
    {
        length1F = qApp->TrVars()->FormulaToUser(dialog->GetFormula(), qApp->Settings()->GetOsSeparator());
        // increase height if needed.
        if (length1F.length() > 80)
        {
            DeployLength1TextEdit();
        }
        ui->plainTextEditLength1F->setPlainText(length1F);
        MoveCursorToEnd(ui->plainTextEditLength1F);
    }
    delete dialog;
}
 
//---------------------------------------------------------------------------------------------------------------------
void DialogSplinePath::FXLength2()
{
    auto dialog = new EditFormulaDialog(data, toolId, this);
    dialog->setWindowTitle(tr("Edit second control point length"));
 
    QString length2F = qApp->TrVars()->TryFormulaFromUser(ui->plainTextEditLength2F->toPlainText().replace("\n", " "),
                                                          qApp->Settings()->GetOsSeparator());
 
    dialog->SetFormula(length2F);
    dialog->setPostfix(UnitsToStr(qApp->patternUnit(), true));
    if (dialog->exec() == QDialog::Accepted)
    {
        length2F = qApp->TrVars()->FormulaToUser(dialog->GetFormula(), qApp->Settings()->GetOsSeparator());
        // increase height if needed.
        if (length2F.length() > 80)
        {
            DeployLength2TextEdit();
        }
        ui->plainTextEditLength2F->setPlainText(length2F);
        MoveCursorToEnd(ui->plainTextEditLength2F);
    }
    delete dialog;
}
 
//---------------------------------------------------------------------------------------------------------------------
void DialogSplinePath::EvalAngle1()
{
    const int row = ui->listWidget->currentRow();
    if (row == -1)
    {
        return;
    }
 
    labelEditFormula = ui->labelEditAngle1;
    Eval(ui->plainTextEditAngle1F->toPlainText(), flagAngle1[row], ui->labelResultAngle1, degreeSymbol, false);
 
    QListWidgetItem *item = ui->listWidget->item(row);
    SCASSERT(item != nullptr)
    VSplinePoint p = qvariant_cast<VSplinePoint>(item->data(Qt::UserRole));
 
    ShowPointIssue(p.P().name());
}
 
//---------------------------------------------------------------------------------------------------------------------
void DialogSplinePath::EvalAngle2()
{
    const int row = ui->listWidget->currentRow();
    if (row == -1)
    {
        return;
    }
 
    labelEditFormula = ui->labelEditAngle2;
    Eval(ui->plainTextEditAngle2F->toPlainText(), flagAngle2[row], ui->labelResultAngle2, degreeSymbol, false);
 
    QListWidgetItem *item = ui->listWidget->item(row);
    SCASSERT(item != nullptr)
    VSplinePoint p = qvariant_cast<VSplinePoint>(item->data(Qt::UserRole));
 
    ShowPointIssue(p.P().name());
}
 
//---------------------------------------------------------------------------------------------------------------------
void DialogSplinePath::EvalLength1()
{
    const int row = ui->listWidget->currentRow();
    if (row == -1)
    {
        return;
    }
 
    labelEditFormula = ui->labelEditLength1;
    const QString postfix = UnitsToStr(qApp->patternUnit(), true);
    const qreal length1 = Eval(ui->plainTextEditLength1F->toPlainText(), flagLength1[row], ui->labelResultLength1,
                               postfix, false);
 
    if (length1 < 0)
    {
        flagLength1[row] = false;
        ChangeColor(labelEditFormula, Qt::red);
        ui->labelResultLength1->setText(tr("Error") + QLatin1String(" (") + postfix + QLatin1String(")"));
        ui->labelResultLength1->setToolTip(tr("Length can't be negative"));
 
        CheckState();
    }
 
    QListWidgetItem *item = ui->listWidget->item(row);
    SCASSERT(item != nullptr)
    VSplinePoint p = qvariant_cast<VSplinePoint>(item->data(Qt::UserRole));
 
    ShowPointIssue(p.P().name());
}
 
//---------------------------------------------------------------------------------------------------------------------
void DialogSplinePath::EvalLength2()
{
    const int row = ui->listWidget->currentRow();
    if (row == -1)
    {
        return;
    }
 
    labelEditFormula = ui->labelEditLength2;
    const QString postfix = UnitsToStr(qApp->patternUnit(), true);
    const qreal length2 = Eval(ui->plainTextEditLength2F->toPlainText(), flagLength2[row], ui->labelResultLength2,
                               postfix, false);
 
    if (length2 < 0)
    {
        flagLength2[row] = false;
        ChangeColor(labelEditFormula, Qt::red);
        ui->labelResultLength2->setText(tr("Error") + QLatin1String(" (") + postfix + QLatin1String(")"));
        ui->labelResultLength2->setToolTip(tr("Length can't be negative"));
 
        CheckState();
    }
 
    QListWidgetItem *item = ui->listWidget->item(row);
    SCASSERT(item != nullptr)
    VSplinePoint p = qvariant_cast<VSplinePoint>(item->data(Qt::UserRole));
 
    ShowPointIssue(p.P().name());
}
 
//---------------------------------------------------------------------------------------------------------------------
/**
 * @brief PointChanged selected another point in list
 * @param row number of row
 */
void DialogSplinePath::PointChanged(int row)
{
    if (ui->listWidget->count() == 0)
    {
        return;
    }
 
    const auto p = qvariant_cast<VSplinePoint>(ui->listWidget->item(row)->data(Qt::UserRole));
    DataPoint(p);
}
 
//---------------------------------------------------------------------------------------------------------------------
/**
 * @brief currentPointChanged changed point in combo box
 * @param index index in list
 */
void DialogSplinePath::currentPointChanged(int index)
{
    const quint32 id = qvariant_cast<quint32>(ui->comboBoxPoint->itemData(index));
    QListWidgetItem *item = ui->listWidget->item( ui->listWidget->currentRow() );
    VSplinePoint p = qvariant_cast<VSplinePoint>(item->data(Qt::UserRole));
    const auto point = data->GeometricObject<VPointF>(id);
    p.SetP(*point);
    DataPoint(p);
    item->setData(Qt::UserRole, QVariant::fromValue(p));
    ShowPointIssue(p.P().name());
 
    QColor color = okColor;
    if (not IsPathValid())
    {
        flagError = false;
        color = errorColor;
 
        ui->lineEditSplPathName->setText(tr("Invalid spline path"));
    }
    else
    {
        flagError = true;
        color = okColor;
 
        auto first = qvariant_cast<VSplinePoint>(ui->listWidget->item(0)->data(Qt::UserRole));
        auto last = qvariant_cast<VSplinePoint>(ui->listWidget->item(ui->listWidget->count()-1)->data(Qt::UserRole));
 
        if (first.P().id() == path.at(0).P().id() && last.P().id() == path.at(path.CountPoints()-1).P().id())
        {
            newDuplicate = -1;
            ui->lineEditSplPathName->setText(qApp->TrVars()->VarToUser(path.name()));
        }
        else
        {
            VSplinePath newPath = ExtractPath();
 
            if (not data->IsUnique(newPath.name()))
            {
                newDuplicate = static_cast<qint32>(DNumber(newPath.name()));
                newPath.SetDuplicate(static_cast<quint32>(newDuplicate));
            }
 
            ui->lineEditSplPathName->setText(qApp->TrVars()->VarToUser(newPath.name()));
        }
    }
    ChangeColor(ui->labelName, color);
    ChangeColor(ui->labelPoint, color);
    CheckState();
}
 
//---------------------------------------------------------------------------------------------------------------------
void DialogSplinePath::ShowDialog(bool click)
{
    if (click == false)
    {
        if (path.CountPoints() >= 3)
        {
            emit ToolTip("");
 
            if (not data->IsUnique(path.name()))
            {
                path.SetDuplicate(DNumber(path.name()));
            }
 
            DialogAccepted();
        }
    }
}
 
//---------------------------------------------------------------------------------------------------------------------
void DialogSplinePath::PathUpdated(const VSplinePath &path)
{
    SetPath(path);
}
 
//---------------------------------------------------------------------------------------------------------------------
void DialogSplinePath::ShowVisualization()
{
    AddVisualization<VisToolSplinePath>();
}
 
//---------------------------------------------------------------------------------------------------------------------
/**
 * @brief NewItem add point to list
 * @param point spline path point
 */
void DialogSplinePath::NewItem(const VSplinePoint &point)
{
    flagAngle1.append(true);
    flagLength1.append(true);
    flagAngle2.append(true);
    flagLength2.append(true);
 
    auto item = new QListWidgetItem(point.P().name());
    item->setData(Qt::UserRole, QVariant::fromValue(point));
 
    ui->listWidget->addItem(item);
    ui->listWidget->setCurrentItem(item);
    if (ui->listWidget->count() >= 2)
    {
        ok_Button = ui->buttonBox->button(QDialogButtonBox::Ok);
        ok_Button->setEnabled(true);
    }
 
    DataPoint(point);
}
 
//---------------------------------------------------------------------------------------------------------------------
/**
 * @brief dataPoint show data of point in fields
 * @param p spline path point
 */
void DialogSplinePath::DataPoint(const VSplinePoint &p)
{
    ui->comboBoxPoint->blockSignals(true);
    ChangeCurrentData(ui->comboBoxPoint, p.P().id());
    ui->comboBoxPoint->blockSignals(false);
 
    int row = ui->listWidget->currentRow();
    const QString notUsed = tr("Not used");
    const QString result = tr("Result value");
    const QString emptyResult = QString("NA");
 
    if (row == 0)
    {
        ui->toolButtonExprAngle1->setEnabled(false);
        ui->labelResultAngle1->setText(emptyResult);
        ui->labelResultAngle1->setToolTip(result);
        ChangeColor(ui->labelEditAngle1, okColor);
        ui->plainTextEditAngle1F->blockSignals(true);
        ui->plainTextEditAngle1F->setPlainText(notUsed);
        ui->plainTextEditAngle1F->setEnabled(false);
        ui->pushButtonGrowAngle1->setEnabled(false);
        ui->plainTextEditAngle1F->blockSignals(false);
 
        ui->toolButtonExprLength1->setEnabled(false);
        ui->labelResultLength1->setText(emptyResult);
        ui->labelResultLength1->setToolTip(result);
        ChangeColor(ui->labelEditLength1, okColor);
        ui->plainTextEditLength1F->blockSignals(true);
        ui->plainTextEditLength1F->setPlainText(notUsed);
        ui->plainTextEditLength1F->setEnabled(false);
        ui->pushButtonGrowLength1->setEnabled(false);
        ui->plainTextEditLength1F->blockSignals(false);
 
        ui->plainTextEditAngle2F->setEnabled(true);
        ui->plainTextEditLength2F->setEnabled(true);
 
        ui->toolButtonExprAngle2->setEnabled(true);
        ui->toolButtonExprLength2->setEnabled(true);
 
        ui->plainTextEditAngle2F->blockSignals(true);
        ui->plainTextEditLength2F->blockSignals(true);
        ui->plainTextEditAngle2F->setPlainText(qApp->TrVars()->FormulaToUser(p.Angle2Formula(),
                                                                             qApp->Settings()->GetOsSeparator()));
        EvalAngle2();
        ui->plainTextEditLength2F->setPlainText(qApp->TrVars()->FormulaToUser(p.Length2Formula(),
                                                                              qApp->Settings()->GetOsSeparator()));
        EvalLength2();
        ui->plainTextEditAngle2F->blockSignals(false);
        ui->plainTextEditLength2F->blockSignals(false);
    }
    else if (row == ui->listWidget->count()-1)
    {
        ui->toolButtonExprAngle2->setEnabled(false);
        ui->labelResultAngle2->setText(emptyResult);
        ui->labelResultAngle2->setToolTip(result);
        ChangeColor(ui->labelEditAngle2, okColor);
        ui->plainTextEditAngle2F->blockSignals(true);
        ui->plainTextEditAngle2F->setPlainText(notUsed);
        ui->plainTextEditAngle2F->setEnabled(false);
        ui->pushButtonGrowAngle2->setEnabled(false);
        ui->plainTextEditAngle2F->blockSignals(false);
 
        ui->toolButtonExprLength2->setEnabled(false);
        ui->labelResultLength2->setText(emptyResult);
        ui->labelResultLength2->setToolTip(result);
        ChangeColor(ui->labelEditLength2, okColor);
        ui->plainTextEditLength2F->blockSignals(true);
        ui->plainTextEditLength2F->setPlainText(notUsed);
        ui->plainTextEditLength2F->setEnabled(false);
        ui->pushButtonGrowLength2->setEnabled(false);
        ui->plainTextEditLength2F->blockSignals(false);
 
        ui->plainTextEditAngle1F->setEnabled(true);
        ui->plainTextEditLength1F->setEnabled(true);
 
        ui->toolButtonExprAngle1->setEnabled(true);
        ui->toolButtonExprLength1->setEnabled(true);
 
        ui->plainTextEditAngle1F->blockSignals(true);
        ui->plainTextEditLength1F->blockSignals(true);
        ui->plainTextEditAngle1F->setPlainText(qApp->TrVars()->FormulaToUser(p.Angle1Formula(),
                                                                             qApp->Settings()->GetOsSeparator()));
        EvalAngle1();
        ui->plainTextEditLength1F->setPlainText(qApp->TrVars()->FormulaToUser(p.Length1Formula(),
                                                                              qApp->Settings()->GetOsSeparator()));
        EvalLength1();
        ui->plainTextEditAngle1F->blockSignals(false);
        ui->plainTextEditLength1F->blockSignals(false);
    }
    else
    {
        ui->pushButtonGrowAngle1->setEnabled(true);
        ui->pushButtonGrowAngle2->setEnabled(true);
        ui->pushButtonGrowLength1->setEnabled(true);
        ui->pushButtonGrowLength2->setEnabled(true);
 
        ui->toolButtonExprAngle1->setEnabled(true);
        ui->toolButtonExprLength1->setEnabled(true);
        ui->toolButtonExprAngle2->setEnabled(true);
        ui->toolButtonExprLength2->setEnabled(true);
 
        ui->plainTextEditAngle1F->setEnabled(true);
        ui->plainTextEditLength1F->setEnabled(true);
        ui->plainTextEditAngle2F->setEnabled(true);
        ui->plainTextEditLength2F->setEnabled(true);
 
        ui->plainTextEditAngle1F->blockSignals(true);
        ui->plainTextEditLength1F->blockSignals(true);
        ui->plainTextEditAngle2F->blockSignals(true);
        ui->plainTextEditLength2F->blockSignals(true);
 
        ui->plainTextEditAngle1F->setPlainText(qApp->TrVars()->FormulaToUser(p.Angle1Formula(),
                                                                             qApp->Settings()->GetOsSeparator()));
        ui->plainTextEditAngle2F->setPlainText(qApp->TrVars()->FormulaToUser(p.Angle2Formula(),
                                                                             qApp->Settings()->GetOsSeparator()));
        ui->plainTextEditLength1F->setPlainText(qApp->TrVars()->FormulaToUser(p.Length1Formula(),
                                                                              qApp->Settings()->GetOsSeparator()));
        ui->plainTextEditLength2F->setPlainText(qApp->TrVars()->FormulaToUser(p.Length2Formula(),
                                                                              qApp->Settings()->GetOsSeparator()));
 
        EvalAngle1();
        EvalLength1();
        EvalAngle2();
        EvalLength2();
 
        ui->plainTextEditAngle1F->blockSignals(false);
        ui->plainTextEditLength1F->blockSignals(false);
        ui->plainTextEditAngle2F->blockSignals(false);
        ui->plainTextEditLength2F->blockSignals(false);
    }
}
 
//---------------------------------------------------------------------------------------------------------------------
void DialogSplinePath::SavePath()
{
    path.Clear();
    path = ExtractPath();
}
 
//---------------------------------------------------------------------------------------------------------------------
QSet<quint32> DialogSplinePath::AllIds() const
{
    QSet<quint32> ids;
    for (qint32 i = 0; i < ui->listWidget->count(); ++i)
    {
        ids.insert(qvariant_cast<VSplinePoint>(ui->listWidget->item(i)->data(Qt::UserRole)).P().id());
    }
 
    return ids;
}
 
//---------------------------------------------------------------------------------------------------------------------
bool DialogSplinePath::IsPathValid() const
{
    if (path.CountPoints() < 3)
    {
        return false;
    }
 
    return (AllIds().size() == path.CountPoints());
}
 
//---------------------------------------------------------------------------------------------------------------------
VSplinePath DialogSplinePath::ExtractPath() const
{
    QVector<VSplinePoint> points;
    for (qint32 i = 0; i < ui->listWidget->count(); ++i)
    {
        points.append(qvariant_cast<VSplinePoint>(ui->listWidget->item(i)->data(Qt::UserRole)));
    }
    return VSplinePath(points);
}
 
//---------------------------------------------------------------------------------------------------------------------
void DialogSplinePath::ShowPointIssue(const QString &pName)
{
    const int row = ui->listWidget->currentRow();
    if (row == -1)
    {
        return;
    }
 
    QListWidgetItem *item = ui->listWidget->item(row);
    SCASSERT(item != nullptr)
 
    if (flagAngle1.at(row) && flagAngle2.at(row) && flagLength1.at(row) && flagLength2.at(row))
    {
       item->setText(pName);
    }
    else
    {
       item->setText(pName + QLatin1String("(!)"));
    }
}
 
//---------------------------------------------------------------------------------------------------------------------
void DialogSplinePath::collapseFormula(QPlainTextEdit *textEdit, QPushButton *pushButton, int height)
{
    SCASSERT(textEdit != nullptr)
    SCASSERT(pushButton != nullptr)
 
    const QTextCursor cursor = textEdit->textCursor();
 
    setMaximumWidth(260);
    textEdit->setFixedHeight(height);
    pushButton->setIcon(QIcon::fromTheme("go-down", QIcon(":/icons/win.icon.theme/16x16/actions/go-down.png")));
    setUpdatesEnabled(false);
    repaint();
    setUpdatesEnabled(true);
    textEdit->setFocus();
    textEdit->setTextCursor(cursor);
}