lineeditor.cpp

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/*
    Copyright 2006-2019 The QElectroTech Team
    This file is part of QElectroTech.
    
    QElectroTech 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 2 of the License, or
    (at your option) any later version.
    
    QElectroTech 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 QElectroTech.  If not, see <http://www.gnu.org/licenses/>.
*/
#include "lineeditor.h"
#include "styleeditor.h"
#include "partline.h"
#include "qet.h"
#include "qeticons.h"
#include "QPropertyUndoCommand/qpropertyundocommand.h"
#include "elementscene.h"

LineEditor::LineEditor(QETElementEditor *editor, PartLine *line, QWidget *parent) :
    ElementItemEditor(editor, parent),
    part(line),
    m_locked (false)
{
    style_ = new StyleEditor(editor);
    
    x1 = new QDoubleSpinBox();
    y1 = new QDoubleSpinBox();
    x2 = new QDoubleSpinBox();
    y2 = new QDoubleSpinBox();
    
    x1 -> setRange(-5000, 5000);
    y1 -> setRange(-5000, 5000);
    x2 -> setRange(-5000, 5000);
    y2 -> setRange(-5000, 5000);
    
    end1_type = new QComboBox();
    end1_type -> addItem(QET::Icons::EndLineNone,     tr("Normale",                "type of the 1st end of a line"), Qet::None    );
    end1_type -> addItem(QET::Icons::EndLineSimple,   tr("Flèche simple",       "type of the 1st end of a line"), Qet::Simple  );
    end1_type -> addItem(QET::Icons::EndLineTriangle, tr("Flèche triangulaire", "type of the 1st end of a line"), Qet::Triangle);
    end1_type -> addItem(QET::Icons::EndLineCircle,   tr("Cercle",                 "type of the 1st end of a line"), Qet::Circle  );
    end1_type -> addItem(QET::Icons::EndLineDiamond,  tr("Carré",               "type of the 1st end of a line"), Qet::Diamond );
    end2_type = new QComboBox();
    end2_type -> addItem(QET::Icons::EndLineNone,     tr("Normale",                "type of the 2nd end of a line"), Qet::None    );
    end2_type -> addItem(QET::Icons::EndLineSimple,   tr("Flèche simple",       "type of the 2nd end of a line"), Qet::Simple  );
    end2_type -> addItem(QET::Icons::EndLineTriangle, tr("Flèche triangulaire", "type of the 2nd end of a line"), Qet::Triangle);
    end2_type -> addItem(QET::Icons::EndLineCircle,   tr("Cercle",                 "type of the 2nd end of a line"), Qet::Circle  );
    end2_type -> addItem(QET::Icons::EndLineDiamond,  tr("Carré",               "type of the 2nd end of a line"), Qet::Diamond );
    
    end1_length = new QDoubleSpinBox();
    end2_length = new QDoubleSpinBox();
    
    QGridLayout *grid = new QGridLayout();
    grid -> addWidget(new QLabel("x1"),        0, 0);
    grid -> addWidget(x1,                      0, 1);
    grid -> addWidget(new QLabel("y1"),        0, 2);
    grid -> addWidget(y1,                      0, 3);
    grid -> addWidget(new QLabel("x2"),        1, 0);
    grid -> addWidget(x2,                      1, 1);
    grid -> addWidget(new QLabel("y2"),        1, 2);
    grid -> addWidget(y2,                      1, 3);
    
    QGridLayout *grid2 = new QGridLayout();
    grid2 -> addWidget(new QLabel(tr("Fin 1")), 0, 0);
    grid2 -> addWidget(end1_type,               0, 1);
    grid2 -> addWidget(end1_length,             0, 2);
    grid2 -> addWidget(new QLabel(tr("Fin 2")), 1, 0);
    grid2 -> addWidget(end2_type,               1, 1);
    grid2 -> addWidget(end2_length,             1, 2);
    
    QVBoxLayout *v_layout = new QVBoxLayout(this);
    v_layout -> addWidget(style_);
    v_layout -> addLayout(grid);
    v_layout -> addLayout(grid2);
    v_layout->addStretch();
    updateForm();
}

LineEditor::~LineEditor() {
}

bool LineEditor::setPart(CustomElementPart *new_part)
{
    if (!new_part)
    {
        if (part)
        {
            disconnect(part, &PartLine::lineChanged, this, &LineEditor::updateForm);
            disconnect(part, &PartLine::firstEndTypeChanged, this, &LineEditor::updateForm);
            disconnect(part, &PartLine::secondEndTypeChanged, this, &LineEditor::updateForm);
            disconnect(part, &PartLine::firstEndLengthChanged, this, &LineEditor::updateForm);
            disconnect(part, &PartLine::secondEndLengthChanged, this, &LineEditor::updateForm);
        }
        part = nullptr;
        style_ -> setPart(nullptr);
        return(true);
    }
    if (PartLine *part_line = dynamic_cast<PartLine *>(new_part))
    {
        if (part == part_line) return true;
        if (part)
        {
            disconnect(part, &PartLine::lineChanged, this, &LineEditor::updateForm);
            disconnect(part, &PartLine::firstEndTypeChanged, this, &LineEditor::updateForm);
            disconnect(part, &PartLine::secondEndTypeChanged, this, &LineEditor::updateForm);
            disconnect(part, &PartLine::firstEndLengthChanged, this, &LineEditor::updateForm);
            disconnect(part, &PartLine::secondEndLengthChanged, this, &LineEditor::updateForm);
        }
        part = part_line;
        style_ -> setPart(part);
        updateForm();
        connect(part, &PartLine::lineChanged, this, &LineEditor::updateForm);
        connect(part, &PartLine::firstEndTypeChanged, this, &LineEditor::updateForm);
        connect(part, &PartLine::secondEndTypeChanged, this, &LineEditor::updateForm);
        connect(part, &PartLine::firstEndLengthChanged, this, &LineEditor::updateForm);
        connect(part, &PartLine::secondEndLengthChanged, this, &LineEditor::updateForm);
        return(true);
    }
    return(false);
}

CustomElementPart *LineEditor::currentPart() const {
    return(part);
}

QPointF LineEditor::editedP1() const {
    return part -> mapFromScene(x1->value(), y1->value());
}

QPointF LineEditor::editedP2() const {
    return part -> mapFromScene(x2->value(), y2->value());
}

void LineEditor::updateLineEndType1()
{
    if (m_locked) return;
    m_locked = true;
    QVariant end = end1_type -> itemData(end1_type->currentIndex());

    if (end != part->property("end1"))
    {
        QPropertyUndoCommand *undo = new QPropertyUndoCommand(part, "end1", part->property("end1"), end);
        undo->setText(tr("Modifier une ligne"));
        elementScene()->undoStack().push(undo);
    }
    m_locked = false;
}

void LineEditor::updateLineEndLength1()
{
    if (m_locked) return;
    m_locked = true;
    double length = end1_length->value();

    if (length != part->property("length1"))
    {
        QPropertyUndoCommand *undo = new QPropertyUndoCommand(part, "length1", part->property("length1"), length);
        undo->setText(tr("Modifier une ligne"));
        undo->enableAnimation();
        elementScene()->undoStack().push(undo);
    }
    m_locked = false;
}

void LineEditor::updateLineEndType2()
{
    if (m_locked) return;
    m_locked = true;
    QVariant end = end2_type -> itemData(end2_type->currentIndex());

    if (end != part->property("end2"))
    {
        QPropertyUndoCommand *undo = new QPropertyUndoCommand(part, "end2", part->property("end2"), end);
        undo->setText(tr("Modifier une ligne"));
        elementScene()->undoStack().push(undo);
    }
    m_locked = false;
}

void LineEditor::updateLineEndLength2()
{
    if (m_locked) return;
    m_locked = true;
    double length = end2_length->value();

    if (length != part->property("length2"))
    {
        QPropertyUndoCommand *undo = new QPropertyUndoCommand(part, "length2", part->property("length2"), length);
        undo->setText(tr("Modifier une ligne"));
        undo->enableAnimation();
        elementScene()->undoStack().push(undo);
    }
    m_locked = false;
}

void LineEditor::lineEditingFinished()
{
    if (m_locked) return;
    m_locked = true;
    QLineF line (editedP1(), editedP2());

    if (line != part->property("line"))
    {
        QPropertyUndoCommand *undo = new QPropertyUndoCommand(part, "line", part->property("line"), line);
        undo->setText(tr("Modifier une ligne"));
        undo->enableAnimation();
        elementScene()->undoStack().push(undo);
    }
    m_locked = false;
}

void LineEditor::updateForm()
{
    if (!part) return;
    activeConnections(false);
    QPointF p1(part -> sceneP1());
    QPointF p2(part -> sceneP2());
    x1 -> setValue(p1.x());
    y1 -> setValue(p1.y());
    x2 -> setValue(p2.x());
    y2 -> setValue(p2.y());
    end1_type -> setCurrentIndex(end1_type->findData(part -> firstEndType()));
    end1_length -> setValue(part -> firstEndLength());
    end2_type -> setCurrentIndex(end2_type->findData(part -> secondEndType()));
    end2_length -> setValue(part -> secondEndLength());
    activeConnections(true);
}

void LineEditor::activeConnections(bool active)
{
    if (active)
    {
        connect(x1, SIGNAL(editingFinished()), this, SLOT(lineEditingFinished()));
        connect(y1, SIGNAL(editingFinished()), this, SLOT(lineEditingFinished()));
        connect(x2, SIGNAL(editingFinished()), this, SLOT(lineEditingFinished()));
        connect(y2, SIGNAL(editingFinished()), this, SLOT(lineEditingFinished()));
        connect(end1_type,   SIGNAL(currentIndexChanged(int)), this, SLOT(updateLineEndType1()));
        connect(end1_length, SIGNAL(editingFinished()),        this, SLOT(updateLineEndLength1()));
        connect(end2_type,   SIGNAL(currentIndexChanged(int)), this, SLOT(updateLineEndType2()));
        connect(end2_length, SIGNAL(editingFinished()),        this, SLOT(updateLineEndLength2()));
    }
    else
    {
        disconnect(x1, SIGNAL(editingFinished()), this, SLOT(lineEditingFinished()));
        disconnect(y1, SIGNAL(editingFinished()), this, SLOT(lineEditingFinished()));
        disconnect(x2, SIGNAL(editingFinished()), this, SLOT(lineEditingFinished()));
        disconnect(y2, SIGNAL(editingFinished()), this, SLOT(lineEditingFinished()));
        disconnect(end1_type,   SIGNAL(currentIndexChanged(int)), this, SLOT(updateLineEndType1()));
        disconnect(end1_length, SIGNAL(editingFinished()),        this, SLOT(updateLineEndLength1()));
        disconnect(end2_type,   SIGNAL(currentIndexChanged(int)), this, SLOT(updateLineEndType2()));
        disconnect(end2_length, SIGNAL(editingFinished()),        this, SLOT(updateLineEndLength2()));
    }
}