#include "Vector3DSpinBox.h"
#include <QLineEdit>
#include <QMenu>
#include <QContextMenuEvent>
//#include <QGridLayout>
#include <QFormLayout>
#include <QGroupBox>
#include "Layout.h"


Vector3DSpinBox::Vector3DSpinBox(Layout* parent,int row, int col,QString name,QString value[3],float min,float max,float step,int decimals): XmlWidget(name,"Vector3DSpinBox",parent) {
    for(int i=0;i<3;i++) {
        doublespinbox[i].setRange(min,max);
        doublespinbox[i].setSingleStep(step);
        doublespinbox[i].setDecimals(decimals);
    }

    adjust_decimals(value);

    for(int i=0;i<3;i++) {
        doublespinbox[i].setValue(value[i].toDouble());
        doublespinbox_value[i]=doublespinbox[i].cleanText();

        //event filter for qdoublespinbox and its child (qlinedit and incremnt qbuttons)
        doublespinbox[i].installEventFilter(this);
        QObjectList o_list = doublespinbox[i].children();
        for(int j = 0; j < o_list.length(); j++) {
            QLineEdit *cast = qobject_cast<QLineEdit*>(o_list[j]);
            if(cast)
                cast->installEventFilter(this);
        }

        connect(&doublespinbox[i],SIGNAL(valueChanged(const QString &)),this, SLOT(valuechanged(const QString &)));
    }

    SetValues(value);

    //creation et ajout QGroupBox
    box = new QGroupBox(name);
    box->setObjectName(name);
    visible_widget=box;
    parent->addWidget(box,row,col);
    qgridlayout=new QGridLayout(new QWidget());
    box->setLayout(qgridlayout);

    AddElement("x:",0);
    AddElement("y:",1);
    AddElement("z:",2);
}

Vector3DSpinBox::~Vector3DSpinBox() {
}

void Vector3DSpinBox::SetValues(QString value[3]) {
    SetAttribute("value_x",value[0]);
    SetAttribute("value_y",value[1]);
    SetAttribute("value_z",value[2]);
}

void Vector3DSpinBox::AddElement(QString name,int index) {
    QWidget* widget=new QWidget();
    QFormLayout* object_layout = new QFormLayout(widget);
    object_layout->setHorizontalSpacing(2);
    object_layout->setVerticalSpacing(2);
    object_layout->setContentsMargins (2,2,2,2);

    object_layout->addRow(name,&doublespinbox[index]);

    qgridlayout->addWidget(widget,index,0);
}

void Vector3DSpinBox::adjust_decimals(QString value[3]) {
    for(int i=0;i<3;i++) {
        //auto adjust decimals
        QLocale locale;
        value[i].remove(locale.groupSeparator());

        QStringList parts = value[i].split(locale.decimalPoint());
        if(parts.count() == 2) {
            doublespinbox[i].setDecimals(parts[1].size());
        }
    }
}

bool Vector3DSpinBox::eventFilter(QObject *object, QEvent *event) {
    for(int i=0;i<3;i++) {
        if(object==&doublespinbox[i] && event->type()==QEvent::MouseButtonPress) {
            if (((QMouseEvent*)event)->button() == Qt::RightButton) {
                QMenu * menu = new QMenu("menu", doublespinbox);
                QAction *a,*b,*c,*z;

                a=menu->addAction("add decimal");
                b=menu->addAction("remove decimal");

                if(doublespinbox[i].decimals()==0) b->setEnabled(false);
                z=menu->exec(((QMouseEvent*)event)->globalPos());

                if(z==a) doublespinbox[i].setDecimals(doublespinbox[i].decimals()+1);
                if(z==b) doublespinbox[i].setDecimals(doublespinbox[i].decimals()-1);
                delete menu;
                return true;
            }
        }
    }
    return object->eventFilter(object, event);
}

void Vector3DSpinBox::SetUptodate(void) {
    ui_to_var();
    ui_to_xml();
    visible_widget->setPalette(black_pal);
}

void Vector3DSpinBox::ui_to_var(void) {
    for(int i=0;i<3;i++) {
        doublespinbox_value[i]=doublespinbox[i].cleanText();
    }
}

void Vector3DSpinBox::ui_to_xml(void) {
    SetAttribute("value_x",doublespinbox[0].cleanText());
    SetAttribute("value_y",doublespinbox[1].cleanText());
    SetAttribute("value_z",doublespinbox[2].cleanText());
}

void Vector3DSpinBox::Reset(void) {
    //le setvalue fait un arrondi pour l'affichage, la variable n'est donc plus egale
    //on reprend la valeur de la boite et on force la couleur a noir
    adjust_decimals(doublespinbox_value);
    for(int i=0;i<3;i++) {
        doublespinbox[i].setValue(doublespinbox_value[i].toDouble());
        doublespinbox_value[i]= doublespinbox[i].cleanText();
    }
    visible_widget->setPalette(black_pal);
}

void Vector3DSpinBox::LoadEvent(QDomElement dom) {
    if(doublespinbox[0].isEnabled()) {
        doublespinbox[0].setValue((dom.attribute("value_x")).toDouble());
    }
    if(doublespinbox[1].isEnabled()) {
        doublespinbox[1].setValue((dom.attribute("value_y")).toDouble());
    }
    if(doublespinbox[2].isEnabled()) {
        doublespinbox[2].setValue((dom.attribute("value_z")).toDouble());
    }
}

void Vector3DSpinBox::valuechanged(const QString &value) {
    for(int i=0;i<3;i++) {
        if((QDoubleSpinBox*)sender()==&doublespinbox[i] && value!=doublespinbox_value[i]) {
            visible_widget->setPalette(red_pal);
            return;
        }
    }
    visible_widget->setPalette(black_pal);
}

bool Vector3DSpinBox::IsUptodate(void) {
    //si le widget n'est pas enabled, sa palette est differente de rouge (greyed) donc on renvoit true
    //permet de ne pas envoyer les modifs d'un widget disabled
    //if(label->palette()==red_pal) return false;
    if(visible_widget->palette()==red_pal) return false;
    return true;
}