transform_selector.cpp

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#include "transform_selector.h"
#include "ui_transform_selector.h"
#include <QSettings>
#include <QDomDocument>
#include <QTableWidget>
#include <QComboBox>
#include <QDebug>

TransformSelector::TransformSelector(QStringList builtin_transform,
                                     QStringList available_transforms,
                                     QString *default_tansform,
                                     std::map<std::string, QString> *curve_transforms,
                                     QWidget *parent) :
    QDialog(parent),
    ui(new Ui::transform_selector),
    _curves_trans(curve_transforms),
    _default_trans(default_tansform)
{
    ui->setupUi(this);

    QStringList transforms = builtin_transform + available_transforms;

    ui->comboDefault->insertItems(0, transforms);
    ui->comboDefault->insertSeparator( builtin_transform.size() );
    if( transforms.contains( *default_tansform ) )
    {
        ui->comboDefault->setCurrentText( *default_tansform );
    }

    ui->tableWidget->setRowCount( int(curve_transforms->size()) );
    ui->tableWidget->setColumnCount(2);

    int row = 0;
    for(const auto& it: *curve_transforms)
    {
        const auto& trans = it.second;
        auto item_name = new QTableWidgetItem(QString::fromStdString(it.first));
        auto item_combo = new QComboBox();
        item_combo->insertItems(0, transforms);
        item_combo->insertSeparator(3);
        ui->tableWidget->setItem(row, 0, item_name);
        ui->tableWidget->setCellWidget(row, 1, item_combo);
        if( transforms.contains( trans ) )
        {
            item_combo->setCurrentText( trans );
        }
        row++;
    }
    QHeaderView* header = ui->tableWidget->horizontalHeader();
    header->setSectionResizeMode(QHeaderView::Stretch);
}

TransformSelector::~TransformSelector()
{
    delete ui;
}


void TransformSelector::on_buttonApplyDefault_clicked()
{
    int default_index = ui->comboDefault->currentIndex();
    for(int row = 0; row < ui->tableWidget->rowCount(); row++)
    {
        auto combo = static_cast<QComboBox*>(ui->tableWidget->cellWidget(row,1));
        combo->setCurrentIndex(default_index);
    }
}

void TransformSelector::on_buttonResetAll_clicked()
{
    for(int row = 0; row < ui->tableWidget->rowCount(); row++)
    {
        auto combo = static_cast<QComboBox*>(ui->tableWidget->cellWidget(row,1));
        combo->setCurrentIndex(0);
    }
}

void TransformSelector::on_transform_selector_accepted()
{
    for(int row = 0; row < ui->tableWidget->rowCount(); row++)
    {
        const auto& name = ui->tableWidget->item(row,0)->text();
        auto combo = static_cast<QComboBox*>(ui->tableWidget->cellWidget(row,1));
        (*_curves_trans)[ name.toStdString() ] = combo->currentText();
    }
    *_default_trans = ui->comboDefault->currentText();
}